update release date to actual daterelease-qpdf-2.0

git-svn-id: svn+q:///qpdf/trunk@599 71b93d88-0707-0410-a8cf-f5a4172ac649

531 files changed, 79083 insertions, 0 deletions

diff --git a/Artistic-2.0 b/Artistic-2.0
new file mode 100644
index 00000000..bb2cfbd2
--- /dev/null
+++ b/Artistic-2.0
@@ -0,0 +1,191 @@
+Artistic License 2.0
+
+Copyright (c) 2000-2006, The Perl Foundation.
+
+Everyone is permitted to copy and distribute verbatim copies of this
+license document, but changing it is not allowed.
+
+Preamble
+
+This license establishes the terms under which a given free software
+Package may be copied, modified, distributed, and/or
+redistributed. The intent is that the Copyright Holder maintains some
+artistic control over the development of that Package while still
+keeping the Package available as open source and free software.
+
+You are always permitted to make arrangements wholly outside of this
+license directly with the Copyright Holder of a given Package. If the
+terms of this license do not permit the full use that you propose to
+make of the Package, you should contact the Copyright Holder and seek
+a different licensing arrangement.
+
+Definitions
+
+   "Copyright Holder" means the individual(s) or organization(s) named
+   in the copyright notice for the entire Package.
+
+   "Contributor" means any party that has contributed code or other
+   material to the Package, in accordance with the Copyright Holder's
+   procedures.
+
+   "You" and "your" means any person who would like to copy,
+   distribute, or modify the Package.
+
+   "Package" means the collection of files distributed by the
+   Copyright Holder, and derivatives of that collection and/or of
+   those files. A given Package may consist of either the Standard
+   Version, or a Modified Version.
+
+   "Distribute" means providing a copy of the Package or making it
+   accessible to anyone else, or in the case of a company or
+   organization, to others outside of your company or organization.
+
+   "Distributor Fee" means any fee that you charge for Distributing
+   this Package or providing support for this Package to another
+   party. It does not mean licensing fees.
+
+   "Standard Version" refers to the Package if it has not been
+   modified, or has been modified only in ways explicitly requested by
+   the Copyright Holder.
+
+   "Modified Version" means the Package, if it has been changed, and
+   such changes were not explicitly requested by the Copyright Holder.
+
+   "Original License" means this Artistic License as Distributed with
+   the Standard Version of the Package, in its current version or as
+   it may be modified by The Perl Foundation in the future.
+
+   "Source" form means the source code, documentation source, and
+   configuration files for the Package.
+
+   "Compiled" form means the compiled bytecode, object code, binary,
+   or any other form resulting from mechanical transformation or
+   translation of the Source form.
+
+Permission for Use and Modification Without Distribution
+
+(1) You are permitted to use the Standard Version and create and use
+Modified Versions for any purpose without restriction, provided that
+you do not Distribute the Modified Version.
+
+Permissions for Redistribution of the Standard Version
+
+(2) You may Distribute verbatim copies of the Source form of the
+Standard Version of this Package in any medium without restriction,
+either gratis or for a Distributor Fee, provided that you duplicate
+all of the original copyright notices and associated disclaimers. At
+your discretion, such verbatim copies may or may not include a
+Compiled form of the Package.
+
+(3) You may apply any bug fixes, portability changes, and other
+modifications made available from the Copyright Holder. The resulting
+Package will still be considered the Standard Version, and as such
+will be subject to the Original License.
+
+Distribution of Modified Versions of the Package as Source
+
+(4) You may Distribute your Modified Version as Source (either gratis
+or for a Distributor Fee, and with or without a Compiled form of the
+Modified Version) provided that you clearly document how it differs
+from the Standard Version, including, but not limited to, documenting
+any non-standard features, executables, or modules, and provided that
+you do at least ONE of the following:
+
+   (a) make the Modified Version available to the Copyright Holder of
+   the Standard Version, under the Original License, so that the
+   Copyright Holder may include your modifications in the Standard
+   Version.
+
+   (b) ensure that installation of your Modified Version does not
+   prevent the user installing or running the Standard Version. In
+   addition, the Modified Version must bear a name that is different
+   from the name of the Standard Version.
+
+   (c) allow anyone who receives a copy of the Modified Version to
+   make the Source form of the Modified Version available to others
+   under
+
+      (i) the Original License or
+
+      (ii) a license that permits the licensee to freely copy, modify
+      and redistribute the Modified Version using the same licensing
+      terms that apply to the copy that the licensee received, and
+      requires that the Source form of the Modified Version, and of
+      any works derived from it, be made freely available in that
+      license fees are prohibited but Distributor Fees are allowed.
+      Distribution of Compiled Forms of the Standard Version or
+      Modified Versions without the Source
+
+(5) You may Distribute Compiled forms of the Standard Version without
+the Source, provided that you include complete instructions on how to
+get the Source of the Standard Version. Such instructions must be
+valid at the time of your distribution. If these instructions, at any
+time while you are carrying out such distribution, become invalid, you
+must provide new instructions on demand or cease further
+distribution. If you provide valid instructions or cease distribution
+within thirty days after you become aware that the instructions are
+invalid, then you do not forfeit any of your rights under this
+license.
+
+(6) You may Distribute a Modified Version in Compiled form without the
+Source, provided that you comply with Section 4 with respect to the
+Source of the Modified Version.
+
+Aggregating or Linking the Package
+
+(7) You may aggregate the Package (either the Standard Version or
+Modified Version) with other packages and Distribute the resulting
+aggregation provided that you do not charge a licensing fee for the
+Package. Distributor Fees are permitted, and licensing fees for other
+components in the aggregation are permitted. The terms of this license
+apply to the use and Distribution of the Standard or Modified Versions
+as included in the aggregation.
+
+(8) You are permitted to link Modified and Standard Versions with
+other works, to embed the Package in a larger work of your own, or to
+build stand-alone binary or bytecode versions of applications that
+include the Package, and Distribute the result without restriction,
+provided the result does not expose a direct interface to the Package.
+
+Items That are Not Considered Part of a Modified Version
+
+(9) Works (including, but not limited to, modules and scripts) that
+merely extend or make use of the Package, do not, by themselves, cause
+the Package to be a Modified Version. In addition, such works are not
+considered parts of the Package itself, and are not subject to the
+terms of this license.
+
+General Provisions
+
+(10) Any use, modification, and distribution of the Standard or
+Modified Versions is governed by this Artistic License. By using,
+modifying or distributing the Package, you accept this license. Do not
+use, modify, or distribute the Package, if you do not accept this
+license.
+
+(11) If your Modified Version has been derived from a Modified Version
+made by someone other than you, you are nevertheless required to
+ensure that your Modified Version complies with the requirements of
+this license.
+
+(12) This license does not grant you the right to use any trademark,
+service mark, tradename, or logo of the Copyright Holder.
+
+(13) This license includes the non-exclusive, worldwide,
+free-of-charge patent license to make, have made, use, offer to sell,
+sell, import and otherwise transfer the Package with respect to any
+patent claims licensable by the Copyright Holder that are necessarily
+infringed by the Package. If you institute patent litigation
+(including a cross-claim or counterclaim) against any party alleging
+that the Package constitutes direct or contributory patent
+infringement, then this Artistic License to you shall terminate on the
+date that such litigation is filed.
+
+(14) Disclaimer of Warranty: THE PACKAGE IS PROVIDED BY THE COPYRIGHT
+HOLDER AND CONTRIBUTORS "AS IS' AND WITHOUT ANY EXPRESS OR IMPLIED
+WARRANTIES. THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+PARTICULAR PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED TO THE EXTENT
+PERMITTED BY YOUR LOCAL LAW.  UNLESS REQUIRED BY LAW, NO COPYRIGHT
+HOLDER OR CONTRIBUTOR WILL BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING IN ANY WAY OUT OF THE USE
+OF THE PACKAGE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/ChangeLog b/ChangeLog
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--- /dev/null
+++ b/ChangeLog
@@ -0,0 +1,3 @@
+2008-04-26  Jay Berkenbilt  <ejb@ql.org>
+
+	* 2.0: initial public release
diff --git a/INSTALL b/INSTALL
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--- /dev/null
+++ b/INSTALL
@@ -0,0 +1,216 @@
+These instructions based on the generic INSTALL file from automake
+1.10.  However, qpdf does not use automake, so not all of that file
+applies.
+
+Basic Installation
+==================
+
+Briefly, the shell commands `./configure; make; make install' should
+configure, build, and install this package.  The following
+more-detailed instructions are generic; see the `README' file for
+instructions specific to this package.
+
+   The `configure' shell script attempts to guess correct values for
+various system-dependent variables used during compilation.  It uses
+those values to create a `Makefile' in each directory of the package.
+It may also create one or more `.h' files containing system-dependent
+definitions.  Finally, it creates a shell script `config.status' that
+you can run in the future to recreate the current configuration, and a
+file `config.log' containing compiler output (useful mainly for
+debugging `configure').
+
+   It can also use an optional file (typically called `config.cache'
+and enabled with `--cache-file=config.cache' or simply `-C') that saves
+the results of its tests to speed up reconfiguring.  Caching is
+disabled by default to prevent problems with accidental use of stale
+cache files.
+
+   If you need to do unusual things to compile the package, please try
+to figure out how `configure' could check whether to do them, and mail
+diffs or instructions to the address given in the `README' so they can
+be considered for the next release.  If you are using the cache, and at
+some point `config.cache' contains results you don't want to keep, you
+may remove or edit it.
+
+   The file `configure.ac' (or `configure.in') is used to create
+`configure' by a program called `autoconf'.  You need `configure.ac' if
+you want to change it or regenerate `configure' using a newer version
+of `autoconf'.
+
+The simplest way to compile this package is:
+
+  1. `cd' to the directory containing the package's source code and type
+     `./configure' to configure the package for your system.
+
+     Running `configure' might take a while.  While running, it prints
+     some messages telling which features it is checking for.
+
+  2. Type `make' to compile the package.
+
+  3. Optionally, type `make check' to run any self-tests that come with
+     the package.
+
+  4. Type `make install' to install the programs and any data files and
+     documentation.
+
+  5. You can remove the program binaries and object files from the
+     source code directory by typing `make clean'.  To also remove the
+     files that `configure' created (so you can compile the package for
+     a different kind of computer), type `make distclean'.  There is
+     also a `make maintainer-clean' target, but that is intended mainly
+     for the package's developers.  If you use it, you may have to get
+     all sorts of other programs in order to regenerate files that came
+     with the distribution.
+
+Compilers and Options
+=====================
+
+Some systems require unusual options for compilation or linking that the
+`configure' script does not know about.  Run `./configure --help' for
+details on some of the pertinent environment variables.
+
+   You can give `configure' initial values for configuration parameters
+by setting variables in the command line or in the environment.  Here
+is an example:
+
+     ./configure CC=c99 CFLAGS=-g LIBS=-lposix
+
+Installation Names
+==================
+
+By default, `make install' installs the package's commands under
+`/usr/local/bin', include files under `/usr/local/include', etc.  You
+can specify an installation prefix other than `/usr/local' by giving
+`configure' the option `--prefix=PREFIX'.
+
+   You can specify separate installation prefixes for
+architecture-specific files and architecture-independent files.  If you
+pass the option `--exec-prefix=PREFIX' to `configure', the package uses
+PREFIX as the prefix for installing programs and libraries.
+Documentation and other data files still use the regular prefix.
+
+   In addition, if you use an unusual directory layout you can give
+options like `--bindir=DIR' to specify different values for particular
+kinds of files.  Run `configure --help' for a list of the directories
+you can set and what kinds of files go in them.
+
+   If the package supports it, you can cause programs to be installed
+with an extra prefix or suffix on their names by giving `configure' the
+option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'.
+
+   You can also define the variable DESTDIR when you run make install
+to install the package in a separate subdirectory.  This is useful for
+packaging.
+
+Optional Features
+=================
+
+Some packages pay attention to `--enable-FEATURE' options to
+`configure', where FEATURE indicates an optional part of the package.
+They may also pay attention to `--with-PACKAGE' options, where PACKAGE
+is something like `gnu-as' or `x' (for the X Window System).  The
+`README' should mention any `--enable-' and `--with-' options that the
+package recognizes.
+
+   For packages that use the X Window System, `configure' can usually
+find the X include and library files automatically, but if it doesn't,
+you can use the `configure' options `--x-includes=DIR' and
+`--x-libraries=DIR' to specify their locations.
+
+Specifying the System Type
+==========================
+
+There may be some features `configure' cannot figure out automatically,
+but needs to determine by the type of machine the package will run on.
+Usually, assuming the package is built to be run on the _same_
+architectures, `configure' can figure that out, but if it prints a
+message saying it cannot guess the machine type, give it the
+`--build=TYPE' option.  TYPE can either be a short name for the system
+type, such as `sun4', or a canonical name which has the form:
+
+     CPU-COMPANY-SYSTEM
+
+where SYSTEM can have one of these forms:
+
+     OS KERNEL-OS
+
+   See the file `config.sub' for the possible values of each field.  If
+`config.sub' isn't included in this package, then this package doesn't
+need to know the machine type.
+
+   If you are _building_ compiler tools for cross-compiling, you should
+use the option `--target=TYPE' to select the type of system they will
+produce code for.
+
+   If you want to _use_ a cross compiler, that generates code for a
+platform different from the build platform, you should specify the
+"host" platform (i.e., that on which the generated programs will
+eventually be run) with `--host=TYPE'.
+
+Sharing Defaults
+================
+
+If you want to set default values for `configure' scripts to share, you
+can create a site shell script called `config.site' that gives default
+values for variables like `CC', `cache_file', and `prefix'.
+`configure' looks for `PREFIX/share/config.site' if it exists, then
+`PREFIX/etc/config.site' if it exists.  Or, you can set the
+`CONFIG_SITE' environment variable to the location of the site script.
+A warning: not all `configure' scripts look for a site script.
+
+Defining Variables
+==================
+
+Variables not defined in a site shell script can be set in the
+environment passed to `configure'.  However, some packages may run
+configure again during the build, and the customized values of these
+variables may be lost.  In order to avoid this problem, you should set
+them in the `configure' command line, using `VAR=value'.  For example:
+
+     ./configure CC=/usr/local2/bin/gcc
+
+causes the specified `gcc' to be used as the C compiler (unless it is
+overridden in the site shell script).
+
+Unfortunately, this technique does not work for `CONFIG_SHELL' due to
+an Autoconf bug.  Until the bug is fixed you can use this workaround:
+
+     CONFIG_SHELL=/bin/bash /bin/bash ./configure CONFIG_SHELL=/bin/bash
+
+`configure' Invocation
+======================
+
+`configure' recognizes the following options to control how it operates.
+
+`--help'
+`-h'
+     Print a summary of the options to `configure', and exit.
+
+`--version'
+`-V'
+     Print the version of Autoconf used to generate the `configure'
+     script, and exit.
+
+`--cache-file=FILE'
+     Enable the cache: use and save the results of the tests in FILE,
+     traditionally `config.cache'.  FILE defaults to `/dev/null' to
+     disable caching.
+
+`--config-cache'
+`-C'
+     Alias for `--cache-file=config.cache'.
+
+`--quiet'
+`--silent'
+`-q'
+     Do not print messages saying which checks are being made.  To
+     suppress all normal output, redirect it to `/dev/null' (any error
+     messages will still be shown).
+
+`--srcdir=DIR'
+     Look for the package's source code in directory DIR.  Usually
+     `configure' can determine that directory automatically.
+
+`configure' also accepts some other, not widely useful, options.  Run
+`configure --help' for more details.
+
diff --git a/Makefile b/Makefile
new file mode 100644
index 00000000..5f3db8b7
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,144 @@
+
+# This makefile is inspired by abuild (http://www.abuild.org), which
+# was used during the development of qpdf.  The goal here is to have a
+# non-recursive build with all the proper dependencies so we can start
+# the build from anywhere and get the right stuff.  Each directory has
+# a build.mk that is included from here and is written from this
+# directory's perspective.  Each directory also has a proxy Makefile
+# that allows you to start the build from any directory and get
+# reasonable semantics for the all, check, and clean targets.
+
+# Our "build items" are directories.  They are listed here such that
+# no item precedes any item it depends on.  Therefore, each item can
+# safely reference variables set in its predecessors.
+
+# For each build item B, you can run make build_B, make check_B, or
+# make clean_B to build, test, or clean B.  Full dependencies are
+# represented across all the items, so it is possible to start
+# anywhere.  From the top level, the "all", "check", and "clean"
+# targets build, test, or clean everything.
+
+# Although this is not a GNU package and does not use automake, you
+# can still run make clean to remove everything that is compiled, make
+# distclean to remove everything that is generated by the end user,
+# and make maintainer-clean to remove everything that is generated
+# including things distributed with the source distribution.  You can
+# pass CLEAN=1 to prevent this Makefile from complaining if
+# ./configure has not been run.
+
+# The install target works as usual and obeys --prefix and so forth
+# passed to ./configure.  You can also pass DESTDIR=/dir to make
+# install to install in a separate location.  This is useful for
+# packagers.
+
+BUILD_ITEMS = manual libqpdf zlib-flate libtests qpdf examples
+OUTPUT_DIR = build
+ALL_TARGETS =
+
+.PHONY: default
+default: all
+
+CLEAN ?=
+ifneq ($(CLEAN),1)
+ifeq ($(words $(wildcard autoconf.mk)),0)
+DUMMY := $(shell echo 1>&2)
+DUMMY := $(shell echo 1>&2 Please run ./configure before running $(MAKE))
+DUMMY := $(shell echo 1>&2)
+$(error unable to continue with build)
+endif
+
+autoconf.mk:
+
+include autoconf.mk
+
+endif
+
+# Prevent gnu make from trying to rebuild .dep files
+$(foreach B,$(BUILD_ITEMS),$(eval \
+  $(B)/$(OUTPUT_DIR)/%.dep: ;))
+
+# Prevent gnu make from trying to rebuild .mk files
+$(foreach B,$(BUILD_ITEMS),$(eval \
+  $(B)/%.mk: ;))
+%.mk: ;
+make/%.mk: ;
+
+include make/rules.mk
+
+DUMMY := $(shell mkdir $(foreach B,$(BUILD_ITEMS),$(B)/$(OUTPUT_DIR)) 2>/dev/null)
+
+include $(foreach B,$(BUILD_ITEMS),$(B)/build.mk)
+
+ALL_TARGETS = $(foreach B,$(BUILD_ITEMS),$(TARGETS_$(B)))
+
+TEST_ITEMS = $(foreach D,\
+                 $(wildcard $(foreach B,$(BUILD_ITEMS),$(B)/qtest)),\
+                 $(subst /,,$(dir $(D))))
+
+TEST_TARGETS = $(foreach B,$(TEST_ITEMS),check_$(B))
+
+CLEAN_TARGETS = $(foreach B,$(BUILD_ITEMS),clean_$(B))
+
+# For test suitse
+export QPDF_BIN = $(abspath qpdf/$(OUTPUT_DIR)/qpdf)
+export SKIP_TEST_COMPARE_IMAGES
+
+clean: $(CLEAN_TARGETS)
+
+.PHONY: $(CLEAN_TARGETS)
+$(foreach B,$(BUILD_ITEMS),$(eval \
+  clean_$(B): ; \
+	$(RM) -r $(B)/$(OUTPUT_DIR)))
+
+distclean: clean
+	$(RM) -r autoconf.mk autom4te.cache config.log config.status libtool
+	$(RM) manual/html.xsl
+	$(RM) manual/print.xsl
+	$(RM) doc/*.1
+
+maintainer-clean: distclean
+	$(RM) configure doc/qpdf-manual.*
+
+.PHONY: $(TEST_TARGETS)
+$(foreach B,$(TEST_ITEMS),$(eval \
+  check_$(B): $(TARGETS_$(B))))
+
+.PHONY: $(foreach B,$(BUILD_ITEMS),build_$(B))
+$(foreach B,$(BUILD_ITEMS),$(eval \
+  build_$(B): $(TARGETS_$(B))))
+
+.PHONY: all
+all: $(ALL_TARGETS) ;
+
+check: $(TEST_TARGETS)
+
+install_docs::
+install: all
+	./mkinstalldirs $(DESTDIR)$(libdir)
+	./mkinstalldirs $(DESTDIR)$(bindir)
+	./mkinstalldirs $(DESTDIR)$(includedir)/qpdf
+	./mkinstalldirs $(DESTDIR)$(docdir)
+	./mkinstalldirs $(DESTDIR)$(mandir)/man1
+	$(LIBTOOL) --mode=install install -s -c \
+		libqpdf/$(OUTPUT_DIR)/libqpdf.la \
+		$(DESTDIR)$(libdir)/libqpdf.la
+	$(LIBTOOL) --finish $(DESTDIR)$(libdir)
+	$(LIBTOOL) --mode=install install -s -c \
+		qpdf/$(OUTPUT_DIR)/qpdf \
+		$(DESTDIR)$(bindir)/qpdf
+	$(LIBTOOL) --mode=install install -s -c \
+		zlib-flate/$(OUTPUT_DIR)/zlib-flate \
+		$(DESTDIR)$(bindir)/zlib-flate
+	cp qpdf/fix-qdf $(DESTDIR)$(bindir)
+	cp include/qpdf/*.hh $(DESTDIR)$(includedir)/qpdf
+	cp doc/stylesheet.css $(DESTDIR)$(docdir)
+	cp doc/qpdf-manual.html $(DESTDIR)$(docdir)
+	cp doc/qpdf-manual.pdf $(DESTDIR)$(docdir)
+	cp doc/*.1 $(DESTDIR)$(mandir)/man1
+
+QTEST=$(abspath qtest/bin/qtest-driver)
+$(TEST_TARGETS):
+	@echo running qtest-driver for $(subst check_,,$@)
+	@(cd $(subst check_,,$@)/$(OUTPUT_DIR); \
+         TC_SRCS="$(foreach T,$(TC_SRCS_$(subst check_,,$@)),../../$(T))" \
+	 $(QTEST) -bindirs .:.. -datadir ../qtest -covdir ..)
diff --git a/README b/README
new file mode 100644
index 00000000..ea947b9f
--- /dev/null
+++ b/README
@@ -0,0 +1,32 @@
+This is the QPDF package.  Information about it can be found at
+http://qpdf.qbilt.org.
+
+QPDF is copyright (c) 2005-2008 Jay Berkenbilt
+
+This software may be distributed under the terms of version 2 of the
+Artistic License which may be found in the source distribution as
+"Artistic-2.0".  It is provided "as is" without express or implied
+warranty.
+
+To install this software, you can run
+
+./configure
+make
+make install
+
+For more detailed information, see the "INSTALL" in this directory.
+
+The QPDF package provides some executables and a software library.  A
+user's manual can be found in the "doc" directory.  The docbook
+sources to the user's manual can be found in the "manual" directory.
+
+The software library is just libqpdf, and all the header files are in
+the qpdf subdirectory.  If you link with -lqpdf and your system does
+not know how to read libtool .la files, then you will also need to
+link with -lpcre and -lz.
+
+To learn about using the library, please read comments in the header
+files in include/qpdf, especially QPDF.hh, QPDFObjectHandle.hh, and
+QPDFWriter.hh.  You can also study the code of qpdf/qpdf.cc, which
+exercises most of the public interface.  There are additional example
+programs in the examples directory.
diff --git a/README.maintainer b/README.maintainer
new file mode 100644
index 00000000..49e6a175
--- /dev/null
+++ b/README.maintainer
@@ -0,0 +1,69 @@
+Release Reminders
+=================
+
+ * To create a source release, do an export from the version control
+   system to a directory called qpdf-version.  From the parent of that
+   directory, run make_dist with the directory as an argument.  For
+   internally testing releases, you can run make_dist with the
+   --no-tests option.
+
+ * Make sure version numbers are consistent in the following
+   locations:
+
+     configure.ac
+     qpdf.spec
+     qpdf/qpdf.cc
+     manual/qpdf-manual.xml
+
+   make_dist does this automatically.
+
+ * Each year, update copyright notices.  Just search for Copyright.
+   Last updated: 2008.
+
+ * To construct a source distribution from a pristine checkout,
+   make_release does the following.
+
+    autoconf
+    ./configure --enable-doc-maintenance
+    make build_manual
+    make distclean
+
+ * Remember to update documentation in the "files" subdirectory of the
+   website on sourceforge.net.
+
+General Build Stuff
+===================
+
+QPDF supports autoconf and libtool but does not use automake.  In
+addition, there is no header file generated by autoconf.  The only
+file distributed with the qpdf source distribution that is not a
+controlled file is "configure", and it is generated by just running
+"autoconf".  There is no need to run autoreconf, automake, autoheader,
+aclocal, or any other autotools programs beyond autoconf.
+
+A small handful of additional files have been taken from autotools
+programs.  These should probably be updated from time to time.
+
+ * config.guess, config.sub, ltmain.sh: these were created by running
+   libtoolize -c.  To update, run libtoolize -f -c or remove the files
+   and rerun libtoolize.
+
+ * Other files copied as indicated:
+
+   cp /usr/share/aclocal/libtool.m4 aclocal.m4
+   cp /usr/share/automake-1.10/install-sh .
+   cp /usr/share/automake-1.10/mkinstalldirs .
+
+The entire contents of aclocal.m4 came from libtool.m4.  If we had
+some additional local parts, we could manually combine them or we
+could run aclocal.  For now, the simple copy statement above is
+sufficient.
+
+If building or editing documentation, configure with
+--enable-doc-maintenance.  This will ensure that all tools or files
+required to validate and build documentation are available.
+
+If you want to run make maintainer-clean or make distclean and you
+haven't run ./configure, you can pass CLEAN=1 to make on the command
+line to prevent it from complaining about configure not having been
+run.
diff --git a/TODO b/TODO
new file mode 100644
index 00000000..d705187e
--- /dev/null
+++ b/TODO
@@ -0,0 +1,68 @@
+General
+=======
+
+ * See whether we can do anything with /V > 3 in the encryption
+   dictionary.  (V = 4 is Crypt Filters.)
+
+ * The second xref stream for linearized files has to be padded only
+   because we need file_size as computed in pass 1 to be accurate.  If
+   we were not allowing writing to a pipe, we could seek back to the
+   beginning and fill in the value of /L in the linearization
+   dictionary as an optimization to alleviate the need for this
+   padding.  Doing so would require us to pad the /L value
+   individually and also to save the file descriptor and determine
+   whether it's seekable.  This is probably not worth bothering with.
+
+ * The whole xref handling code in the QPDF object allows the same
+   object with more than one generation to coexist, but a lot of logic
+   assumes this isn't the case.  Anything that creates mappings only
+   with the object number and not the generation is this way,
+   including most of the interaction between QPDFWriter and QPDF.  If
+   we wanted to allow the same object with more than one generation to
+   coexist, which I'm not sure is allowed, we could fix this by
+   changing xref_table.  Alternatively, we could detect and disallow
+   that case.  In fact, it appears that Adobe reader and other PDF
+   viewing software silently ignores objects of this type, so this is
+   probably not a big deal.
+
+ * Pl_PNGFilter is only partially implemented.  If we ever decoded
+   images, we'd have to finish implementing it along with the other
+   filter decode parameters and types.  For just handling xref
+   streams, there's really no need as it wouldn't make sense to use
+   any kind of predictor other than 12 (PNG UP filter).
+
+ * If we ever want to have check mode check the integrity of the free
+   list, this can be done by looking at the code from prior to the
+   object stream support of 4/5/2008.  It's in an if (0) block and
+   there's a comment about it.  There's also something about it in
+   qpdf.test -- search for "free table".  On the other hand, the value
+   of doing this seems very low since no viewer seems to care, so it's
+   probably not worth it.
+
+ * Embedded files streams: figure out why running qpdf over the pdf
+   1.7 spec results in a file that crashes acrobat reader when you try
+   to save nested documents.
+
+ * QPDFObjectHandle::getPageImages() doesn't notice images in
+   inherited resource dictionaries.  See comments in that function.
+
+Splitting by Pages
+==================
+
+Although qpdf does not currently support splitting a file into pages,
+the work done for linearization covers almost all the work.  To do
+page splitting.  If this functionality is needed, study
+obj_user_to_objects and object_to_obj_users created in
+QPDF_optimization for ideas.  It's quite possible that the information
+computed by calculateLinearizationData is actually sufficient to do
+page splitting in many circumstances.  That code knows which objects
+are used by which pages, though it doesn't do anything page-specific
+with outlines, thumbnails, page labels, or anything else.
+
+Another approach would be to traverse only pages that are being output
+taking care not to traverse into the pages tree, and then to fabricate
+a new pages tree.
+
+Either way, care must be taken to handle other things such as
+outlines, page labels, thumbnails, threads, etc. in a sensible way.
+This may include simply omitting information other than page content.
diff --git a/aclocal.m4 b/aclocal.m4
new file mode 100644
index 00000000..cfa57323
--- /dev/null
+++ b/aclocal.m4
@@ -0,0 +1,6672 @@
+# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*-
+## Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007,
+## 2008  Free Software Foundation, Inc.
+## Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
+##
+## This file is free software; the Free Software Foundation gives
+## unlimited permission to copy and/or distribute it, with or without
+## modifications, as long as this notice is preserved.
+
+# serial 52 Debian 1.5.26-1 AC_PROG_LIBTOOL
+
+
+# AC_PROVIDE_IFELSE(MACRO-NAME, IF-PROVIDED, IF-NOT-PROVIDED)
+# -----------------------------------------------------------
+# If this macro is not defined by Autoconf, define it here.
+m4_ifdef([AC_PROVIDE_IFELSE],
+         [],
+         [m4_define([AC_PROVIDE_IFELSE],
+	         [m4_ifdef([AC_PROVIDE_$1],
+		           [$2], [$3])])])
+
+
+# AC_PROG_LIBTOOL
+# ---------------
+AC_DEFUN([AC_PROG_LIBTOOL],
+[AC_REQUIRE([_AC_PROG_LIBTOOL])dnl
+dnl If AC_PROG_CXX has already been expanded, run AC_LIBTOOL_CXX
+dnl immediately, otherwise, hook it in at the end of AC_PROG_CXX.
+  AC_PROVIDE_IFELSE([AC_PROG_CXX],
+    [AC_LIBTOOL_CXX],
+    [define([AC_PROG_CXX], defn([AC_PROG_CXX])[AC_LIBTOOL_CXX
+  ])])
+dnl And a similar setup for Fortran 77 support
+  AC_PROVIDE_IFELSE([AC_PROG_F77],
+    [AC_LIBTOOL_F77],
+    [define([AC_PROG_F77], defn([AC_PROG_F77])[AC_LIBTOOL_F77
+])])
+
+dnl Quote A][M_PROG_GCJ so that aclocal doesn't bring it in needlessly.
+dnl If either AC_PROG_GCJ or A][M_PROG_GCJ have already been expanded, run
+dnl AC_LIBTOOL_GCJ immediately, otherwise, hook it in at the end of both.
+  AC_PROVIDE_IFELSE([AC_PROG_GCJ],
+    [AC_LIBTOOL_GCJ],
+    [AC_PROVIDE_IFELSE([A][M_PROG_GCJ],
+      [AC_LIBTOOL_GCJ],
+      [AC_PROVIDE_IFELSE([LT_AC_PROG_GCJ],
+	[AC_LIBTOOL_GCJ],
+      [ifdef([AC_PROG_GCJ],
+	     [define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[AC_LIBTOOL_GCJ])])
+       ifdef([A][M_PROG_GCJ],
+	     [define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[AC_LIBTOOL_GCJ])])
+       ifdef([LT_AC_PROG_GCJ],
+	     [define([LT_AC_PROG_GCJ],
+		defn([LT_AC_PROG_GCJ])[AC_LIBTOOL_GCJ])])])])
+])])# AC_PROG_LIBTOOL
+
+
+# _AC_PROG_LIBTOOL
+# ----------------
+AC_DEFUN([_AC_PROG_LIBTOOL],
+[AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
+AC_BEFORE([$0],[AC_LIBTOOL_CXX])dnl
+AC_BEFORE([$0],[AC_LIBTOOL_F77])dnl
+AC_BEFORE([$0],[AC_LIBTOOL_GCJ])dnl
+
+# This can be used to rebuild libtool when needed
+LIBTOOL_DEPS="$ac_aux_dir/ltmain.sh"
+
+# Always use our own libtool.
+LIBTOOL='$(SHELL) $(top_builddir)/libtool'
+AC_SUBST(LIBTOOL)dnl
+
+# Prevent multiple expansion
+define([AC_PROG_LIBTOOL], [])
+])# _AC_PROG_LIBTOOL
+
+
+# AC_LIBTOOL_SETUP
+# ----------------
+AC_DEFUN([AC_LIBTOOL_SETUP],
+[AC_PREREQ(2.50)dnl
+AC_REQUIRE([AC_ENABLE_SHARED])dnl
+AC_REQUIRE([AC_ENABLE_STATIC])dnl
+AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
+AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_CANONICAL_BUILD])dnl
+AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([AC_PROG_LD])dnl
+AC_REQUIRE([AC_PROG_LD_RELOAD_FLAG])dnl
+AC_REQUIRE([AC_PROG_NM])dnl
+
+AC_REQUIRE([AC_PROG_LN_S])dnl
+AC_REQUIRE([AC_DEPLIBS_CHECK_METHOD])dnl
+# Autoconf 2.13's AC_OBJEXT and AC_EXEEXT macros only works for C compilers!
+AC_REQUIRE([AC_OBJEXT])dnl
+AC_REQUIRE([AC_EXEEXT])dnl
+dnl
+AC_LIBTOOL_SYS_MAX_CMD_LEN
+AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE
+AC_LIBTOOL_OBJDIR
+
+AC_REQUIRE([_LT_AC_SYS_COMPILER])dnl
+_LT_AC_PROG_ECHO_BACKSLASH
+
+case $host_os in
+aix3*)
+  # AIX sometimes has problems with the GCC collect2 program.  For some
+  # reason, if we set the COLLECT_NAMES environment variable, the problems
+  # vanish in a puff of smoke.
+  if test "X${COLLECT_NAMES+set}" != Xset; then
+    COLLECT_NAMES=
+    export COLLECT_NAMES
+  fi
+  ;;
+esac
+
+# Sed substitution that helps us do robust quoting.  It backslashifies
+# metacharacters that are still active within double-quoted strings.
+Xsed='sed -e 1s/^X//'
+[sed_quote_subst='s/\([\\"\\`$\\\\]\)/\\\1/g']
+
+# Same as above, but do not quote variable references.
+[double_quote_subst='s/\([\\"\\`\\\\]\)/\\\1/g']
+
+# Sed substitution to delay expansion of an escaped shell variable in a
+# double_quote_subst'ed string.
+delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
+
+# Sed substitution to avoid accidental globbing in evaled expressions
+no_glob_subst='s/\*/\\\*/g'
+
+# Constants:
+rm="rm -f"
+
+# Global variables:
+default_ofile=libtool
+can_build_shared=yes
+
+# All known linkers require a `.a' archive for static linking (except MSVC,
+# which needs '.lib').
+libext=a
+ltmain="$ac_aux_dir/ltmain.sh"
+ofile="$default_ofile"
+with_gnu_ld="$lt_cv_prog_gnu_ld"
+
+AC_CHECK_TOOL(AR, ar, false)
+AC_CHECK_TOOL(RANLIB, ranlib, :)
+AC_CHECK_TOOL(STRIP, strip, :)
+
+old_CC="$CC"
+old_CFLAGS="$CFLAGS"
+
+# Set sane defaults for various variables
+test -z "$AR" && AR=ar
+test -z "$AR_FLAGS" && AR_FLAGS=cru
+test -z "$AS" && AS=as
+test -z "$CC" && CC=cc
+test -z "$LTCC" && LTCC=$CC
+test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS
+test -z "$DLLTOOL" && DLLTOOL=dlltool
+test -z "$LD" && LD=ld
+test -z "$LN_S" && LN_S="ln -s"
+test -z "$MAGIC_CMD" && MAGIC_CMD=file
+test -z "$NM" && NM=nm
+test -z "$SED" && SED=sed
+test -z "$OBJDUMP" && OBJDUMP=objdump
+test -z "$RANLIB" && RANLIB=:
+test -z "$STRIP" && STRIP=:
+test -z "$ac_objext" && ac_objext=o
+
+# Determine commands to create old-style static archives.
+old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs'
+old_postinstall_cmds='chmod 644 $oldlib'
+old_postuninstall_cmds=
+
+if test -n "$RANLIB"; then
+  case $host_os in
+  openbsd*)
+    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$oldlib"
+    ;;
+  *)
+    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$oldlib"
+    ;;
+  esac
+  old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
+fi
+
+_LT_CC_BASENAME([$compiler])
+
+# Only perform the check for file, if the check method requires it
+case $deplibs_check_method in
+file_magic*)
+  if test "$file_magic_cmd" = '$MAGIC_CMD'; then
+    AC_PATH_MAGIC
+  fi
+  ;;
+esac
+
+_LT_REQUIRED_DARWIN_CHECKS
+
+AC_PROVIDE_IFELSE([AC_LIBTOOL_DLOPEN], enable_dlopen=yes, enable_dlopen=no)
+AC_PROVIDE_IFELSE([AC_LIBTOOL_WIN32_DLL],
+enable_win32_dll=yes, enable_win32_dll=no)
+
+AC_ARG_ENABLE([libtool-lock],
+    [AC_HELP_STRING([--disable-libtool-lock],
+	[avoid locking (might break parallel builds)])])
+test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes
+
+AC_ARG_WITH([pic],
+    [AC_HELP_STRING([--with-pic],
+	[try to use only PIC/non-PIC objects @<:@default=use both@:>@])],
+    [pic_mode="$withval"],
+    [pic_mode=default])
+test -z "$pic_mode" && pic_mode=default
+
+# Use C for the default configuration in the libtool script
+tagname=
+AC_LIBTOOL_LANG_C_CONFIG
+_LT_AC_TAGCONFIG
+])# AC_LIBTOOL_SETUP
+
+
+# _LT_AC_SYS_COMPILER
+# -------------------
+AC_DEFUN([_LT_AC_SYS_COMPILER],
+[AC_REQUIRE([AC_PROG_CC])dnl
+
+# If no C compiler was specified, use CC.
+LTCC=${LTCC-"$CC"}
+
+# If no C compiler flags were specified, use CFLAGS.
+LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
+
+# Allow CC to be a program name with arguments.
+compiler=$CC
+])# _LT_AC_SYS_COMPILER
+
+
+# _LT_CC_BASENAME(CC)
+# -------------------
+# Calculate cc_basename.  Skip known compiler wrappers and cross-prefix.
+AC_DEFUN([_LT_CC_BASENAME],
+[for cc_temp in $1""; do
+  case $cc_temp in
+    compile | *[[\\/]]compile | ccache | *[[\\/]]ccache ) ;;
+    distcc | *[[\\/]]distcc | purify | *[[\\/]]purify ) ;;
+    \-*) ;;
+    *) break;;
+  esac
+done
+cc_basename=`$echo "X$cc_temp" | $Xsed -e 's%.*/%%' -e "s%^$host_alias-%%"`
+])
+
+
+# _LT_COMPILER_BOILERPLATE
+# ------------------------
+# Check for compiler boilerplate output or warnings with
+# the simple compiler test code.
+AC_DEFUN([_LT_COMPILER_BOILERPLATE],
+[AC_REQUIRE([LT_AC_PROG_SED])dnl
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_compile_test_code" >conftest.$ac_ext
+eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_compiler_boilerplate=`cat conftest.err`
+$rm conftest*
+])# _LT_COMPILER_BOILERPLATE
+
+
+# _LT_LINKER_BOILERPLATE
+# ----------------------
+# Check for linker boilerplate output or warnings with
+# the simple link test code.
+AC_DEFUN([_LT_LINKER_BOILERPLATE],
+[AC_REQUIRE([LT_AC_PROG_SED])dnl
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_link_test_code" >conftest.$ac_ext
+eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_linker_boilerplate=`cat conftest.err`
+$rm -r conftest*
+])# _LT_LINKER_BOILERPLATE
+
+# _LT_REQUIRED_DARWIN_CHECKS
+# --------------------------
+# Check for some things on darwin
+AC_DEFUN([_LT_REQUIRED_DARWIN_CHECKS],[
+  case $host_os in
+    rhapsody* | darwin*)
+    AC_CHECK_TOOL([DSYMUTIL], [dsymutil], [:])
+    AC_CHECK_TOOL([NMEDIT], [nmedit], [:])
+
+    AC_CACHE_CHECK([for -single_module linker flag],[lt_cv_apple_cc_single_mod],
+      [lt_cv_apple_cc_single_mod=no
+      if test -z "${LT_MULTI_MODULE}"; then
+   # By default we will add the -single_module flag. You can override
+   # by either setting the environment variable LT_MULTI_MODULE
+   # non-empty at configure time, or by adding -multi_module to the
+   # link flags.
+   echo "int foo(void){return 1;}" > conftest.c
+   $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
+     -dynamiclib ${wl}-single_module conftest.c
+   if test -f libconftest.dylib; then
+     lt_cv_apple_cc_single_mod=yes
+     rm -rf libconftest.dylib*
+   fi
+   rm conftest.c
+      fi])
+    AC_CACHE_CHECK([for -exported_symbols_list linker flag],
+      [lt_cv_ld_exported_symbols_list],
+      [lt_cv_ld_exported_symbols_list=no
+      save_LDFLAGS=$LDFLAGS
+      echo "_main" > conftest.sym
+      LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym"
+      AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
+   [lt_cv_ld_exported_symbols_list=yes],
+   [lt_cv_ld_exported_symbols_list=no])
+   LDFLAGS="$save_LDFLAGS"
+    ])
+    case $host_os in
+    rhapsody* | darwin1.[[0123]])
+      _lt_dar_allow_undefined='${wl}-undefined ${wl}suppress' ;;
+    darwin1.*)
+     _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
+    darwin*)
+      # if running on 10.5 or later, the deployment target defaults
+      # to the OS version, if on x86, and 10.4, the deployment
+      # target defaults to 10.4. Don't you love it?
+      case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
+   10.0,*86*-darwin8*|10.0,*-darwin[[91]]*)
+     _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
+   10.[[012]]*)
+     _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
+   10.*)
+     _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
+      esac
+    ;;
+  esac
+    if test "$lt_cv_apple_cc_single_mod" = "yes"; then
+      _lt_dar_single_mod='$single_module'
+    fi
+    if test "$lt_cv_ld_exported_symbols_list" = "yes"; then
+      _lt_dar_export_syms=' ${wl}-exported_symbols_list,$output_objdir/${libname}-symbols.expsym'
+    else
+      _lt_dar_export_syms="~$NMEDIT -s \$output_objdir/\${libname}-symbols.expsym \${lib}"
+    fi
+    if test "$DSYMUTIL" != ":"; then
+      _lt_dsymutil="~$DSYMUTIL \$lib || :"
+    else
+      _lt_dsymutil=
+    fi
+    ;;
+  esac
+])
+
+# _LT_AC_SYS_LIBPATH_AIX
+# ----------------------
+# Links a minimal program and checks the executable
+# for the system default hardcoded library path. In most cases,
+# this is /usr/lib:/lib, but when the MPI compilers are used
+# the location of the communication and MPI libs are included too.
+# If we don't find anything, use the default library path according
+# to the aix ld manual.
+AC_DEFUN([_LT_AC_SYS_LIBPATH_AIX],
+[AC_REQUIRE([LT_AC_PROG_SED])dnl
+AC_LINK_IFELSE(AC_LANG_PROGRAM,[
+lt_aix_libpath_sed='
+    /Import File Strings/,/^$/ {
+	/^0/ {
+	    s/^0  *\(.*\)$/\1/
+	    p
+	}
+    }'
+aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+# Check for a 64-bit object if we didn't find anything.
+if test -z "$aix_libpath"; then
+  aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+fi],[])
+if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
+])# _LT_AC_SYS_LIBPATH_AIX
+
+
+# _LT_AC_SHELL_INIT(ARG)
+# ----------------------
+AC_DEFUN([_LT_AC_SHELL_INIT],
+[ifdef([AC_DIVERSION_NOTICE],
+	     [AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)],
+	 [AC_DIVERT_PUSH(NOTICE)])
+$1
+AC_DIVERT_POP
+])# _LT_AC_SHELL_INIT
+
+
+# _LT_AC_PROG_ECHO_BACKSLASH
+# --------------------------
+# Add some code to the start of the generated configure script which
+# will find an echo command which doesn't interpret backslashes.
+AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH],
+[_LT_AC_SHELL_INIT([
+# Check that we are running under the correct shell.
+SHELL=${CONFIG_SHELL-/bin/sh}
+
+case X$ECHO in
+X*--fallback-echo)
+  # Remove one level of quotation (which was required for Make).
+  ECHO=`echo "$ECHO" | sed 's,\\\\\[$]\\[$]0,'[$]0','`
+  ;;
+esac
+
+echo=${ECHO-echo}
+if test "X[$]1" = X--no-reexec; then
+  # Discard the --no-reexec flag, and continue.
+  shift
+elif test "X[$]1" = X--fallback-echo; then
+  # Avoid inline document here, it may be left over
+  :
+elif test "X`($echo '\t') 2>/dev/null`" = 'X\t' ; then
+  # Yippee, $echo works!
+  :
+else
+  # Restart under the correct shell.
+  exec $SHELL "[$]0" --no-reexec ${1+"[$]@"}
+fi
+
+if test "X[$]1" = X--fallback-echo; then
+  # used as fallback echo
+  shift
+  cat <<EOF
+[$]*
+EOF
+  exit 0
+fi
+
+# The HP-UX ksh and POSIX shell print the target directory to stdout
+# if CDPATH is set.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+if test -z "$ECHO"; then
+if test "X${echo_test_string+set}" != Xset; then
+# find a string as large as possible, as long as the shell can cope with it
+  for cmd in 'sed 50q "[$]0"' 'sed 20q "[$]0"' 'sed 10q "[$]0"' 'sed 2q "[$]0"' 'echo test'; do
+    # expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ...
+    if (echo_test_string=`eval $cmd`) 2>/dev/null &&
+       echo_test_string=`eval $cmd` &&
+       (test "X$echo_test_string" = "X$echo_test_string") 2>/dev/null
+    then
+      break
+    fi
+  done
+fi
+
+if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&
+   echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` &&
+   test "X$echo_testing_string" = "X$echo_test_string"; then
+  :
+else
+  # The Solaris, AIX, and Digital Unix default echo programs unquote
+  # backslashes.  This makes it impossible to quote backslashes using
+  #   echo "$something" | sed 's/\\/\\\\/g'
+  #
+  # So, first we look for a working echo in the user's PATH.
+
+  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+  for dir in $PATH /usr/ucb; do
+    IFS="$lt_save_ifs"
+    if (test -f $dir/echo || test -f $dir/echo$ac_exeext) &&
+       test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' &&
+       echo_testing_string=`($dir/echo "$echo_test_string") 2>/dev/null` &&
+       test "X$echo_testing_string" = "X$echo_test_string"; then
+      echo="$dir/echo"
+      break
+    fi
+  done
+  IFS="$lt_save_ifs"
+
+  if test "X$echo" = Xecho; then
+    # We didn't find a better echo, so look for alternatives.
+    if test "X`(print -r '\t') 2>/dev/null`" = 'X\t' &&
+       echo_testing_string=`(print -r "$echo_test_string") 2>/dev/null` &&
+       test "X$echo_testing_string" = "X$echo_test_string"; then
+      # This shell has a builtin print -r that does the trick.
+      echo='print -r'
+    elif (test -f /bin/ksh || test -f /bin/ksh$ac_exeext) &&
+	 test "X$CONFIG_SHELL" != X/bin/ksh; then
+      # If we have ksh, try running configure again with it.
+      ORIGINAL_CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
+      export ORIGINAL_CONFIG_SHELL
+      CONFIG_SHELL=/bin/ksh
+      export CONFIG_SHELL
+      exec $CONFIG_SHELL "[$]0" --no-reexec ${1+"[$]@"}
+    else
+      # Try using printf.
+      echo='printf %s\n'
+      if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&
+	 echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` &&
+	 test "X$echo_testing_string" = "X$echo_test_string"; then
+	# Cool, printf works
+	:
+      elif echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` &&
+	   test "X$echo_testing_string" = 'X\t' &&
+	   echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
+	   test "X$echo_testing_string" = "X$echo_test_string"; then
+	CONFIG_SHELL=$ORIGINAL_CONFIG_SHELL
+	export CONFIG_SHELL
+	SHELL="$CONFIG_SHELL"
+	export SHELL
+	echo="$CONFIG_SHELL [$]0 --fallback-echo"
+      elif echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` &&
+	   test "X$echo_testing_string" = 'X\t' &&
+	   echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
+	   test "X$echo_testing_string" = "X$echo_test_string"; then
+	echo="$CONFIG_SHELL [$]0 --fallback-echo"
+      else
+	# maybe with a smaller string...
+	prev=:
+
+	for cmd in 'echo test' 'sed 2q "[$]0"' 'sed 10q "[$]0"' 'sed 20q "[$]0"' 'sed 50q "[$]0"'; do
+	  if (test "X$echo_test_string" = "X`eval $cmd`") 2>/dev/null
+	  then
+	    break
+	  fi
+	  prev="$cmd"
+	done
+
+	if test "$prev" != 'sed 50q "[$]0"'; then
+	  echo_test_string=`eval $prev`
+	  export echo_test_string
+	  exec ${ORIGINAL_CONFIG_SHELL-${CONFIG_SHELL-/bin/sh}} "[$]0" ${1+"[$]@"}
+	else
+	  # Oops.  We lost completely, so just stick with echo.
+	  echo=echo
+	fi
+      fi
+    fi
+  fi
+fi
+fi
+
+# Copy echo and quote the copy suitably for passing to libtool from
+# the Makefile, instead of quoting the original, which is used later.
+ECHO=$echo
+if test "X$ECHO" = "X$CONFIG_SHELL [$]0 --fallback-echo"; then
+   ECHO="$CONFIG_SHELL \\\$\[$]0 --fallback-echo"
+fi
+
+AC_SUBST(ECHO)
+])])# _LT_AC_PROG_ECHO_BACKSLASH
+
+
+# _LT_AC_LOCK
+# -----------
+AC_DEFUN([_LT_AC_LOCK],
+[AC_ARG_ENABLE([libtool-lock],
+    [AC_HELP_STRING([--disable-libtool-lock],
+	[avoid locking (might break parallel builds)])])
+test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes
+
+# Some flags need to be propagated to the compiler or linker for good
+# libtool support.
+case $host in
+ia64-*-hpux*)
+  # Find out which ABI we are using.
+  echo 'int i;' > conftest.$ac_ext
+  if AC_TRY_EVAL(ac_compile); then
+    case `/usr/bin/file conftest.$ac_objext` in
+    *ELF-32*)
+      HPUX_IA64_MODE="32"
+      ;;
+    *ELF-64*)
+      HPUX_IA64_MODE="64"
+      ;;
+    esac
+  fi
+  rm -rf conftest*
+  ;;
+*-*-irix6*)
+  # Find out which ABI we are using.
+  echo '[#]line __oline__ "configure"' > conftest.$ac_ext
+  if AC_TRY_EVAL(ac_compile); then
+   if test "$lt_cv_prog_gnu_ld" = yes; then
+    case `/usr/bin/file conftest.$ac_objext` in
+    *32-bit*)
+      LD="${LD-ld} -melf32bsmip"
+      ;;
+    *N32*)
+      LD="${LD-ld} -melf32bmipn32"
+      ;;
+    *64-bit*)
+      LD="${LD-ld} -melf64bmip"
+      ;;
+    esac
+   else
+    case `/usr/bin/file conftest.$ac_objext` in
+    *32-bit*)
+      LD="${LD-ld} -32"
+      ;;
+    *N32*)
+      LD="${LD-ld} -n32"
+      ;;
+    *64-bit*)
+      LD="${LD-ld} -64"
+      ;;
+    esac
+   fi
+  fi
+  rm -rf conftest*
+  ;;
+
+x86_64-*kfreebsd*-gnu|x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*| \
+s390*-*linux*|sparc*-*linux*)
+  # Find out which ABI we are using.
+  echo 'int i;' > conftest.$ac_ext
+  if AC_TRY_EVAL(ac_compile); then
+    case `/usr/bin/file conftest.o` in
+    *32-bit*)
+      case $host in
+        x86_64-*kfreebsd*-gnu)
+          LD="${LD-ld} -m elf_i386_fbsd"
+          ;;
+        x86_64-*linux*)
+          LD="${LD-ld} -m elf_i386"
+          ;;
+        ppc64-*linux*|powerpc64-*linux*)
+          LD="${LD-ld} -m elf32ppclinux"
+          ;;
+        s390x-*linux*)
+          LD="${LD-ld} -m elf_s390"
+          ;;
+        sparc64-*linux*)
+          LD="${LD-ld} -m elf32_sparc"
+          ;;
+      esac
+      ;;
+    *64-bit*)
+      case $host in
+        x86_64-*kfreebsd*-gnu)
+          LD="${LD-ld} -m elf_x86_64_fbsd"
+          ;;
+        x86_64-*linux*)
+          LD="${LD-ld} -m elf_x86_64"
+          ;;
+        ppc*-*linux*|powerpc*-*linux*)
+          LD="${LD-ld} -m elf64ppc"
+          ;;
+        s390*-*linux*)
+          LD="${LD-ld} -m elf64_s390"
+          ;;
+        sparc*-*linux*)
+          LD="${LD-ld} -m elf64_sparc"
+          ;;
+      esac
+      ;;
+    esac
+  fi
+  rm -rf conftest*
+  ;;
+
+*-*-sco3.2v5*)
+  # On SCO OpenServer 5, we need -belf to get full-featured binaries.
+  SAVE_CFLAGS="$CFLAGS"
+  CFLAGS="$CFLAGS -belf"
+  AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
+    [AC_LANG_PUSH(C)
+     AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])
+     AC_LANG_POP])
+  if test x"$lt_cv_cc_needs_belf" != x"yes"; then
+    # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
+    CFLAGS="$SAVE_CFLAGS"
+  fi
+  ;;
+sparc*-*solaris*)
+  # Find out which ABI we are using.
+  echo 'int i;' > conftest.$ac_ext
+  if AC_TRY_EVAL(ac_compile); then
+    case `/usr/bin/file conftest.o` in
+    *64-bit*)
+      case $lt_cv_prog_gnu_ld in
+      yes*) LD="${LD-ld} -m elf64_sparc" ;;
+      *)
+        if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then
+	  LD="${LD-ld} -64"
+	fi
+	;;
+      esac
+      ;;
+    esac
+  fi
+  rm -rf conftest*
+  ;;
+
+AC_PROVIDE_IFELSE([AC_LIBTOOL_WIN32_DLL],
+[*-*-cygwin* | *-*-mingw* | *-*-pw32*)
+  AC_CHECK_TOOL(DLLTOOL, dlltool, false)
+  AC_CHECK_TOOL(AS, as, false)
+  AC_CHECK_TOOL(OBJDUMP, objdump, false)
+  ;;
+  ])
+esac
+
+need_locks="$enable_libtool_lock"
+
+])# _LT_AC_LOCK
+
+
+# AC_LIBTOOL_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
+#		[OUTPUT-FILE], [ACTION-SUCCESS], [ACTION-FAILURE])
+# ----------------------------------------------------------------
+# Check whether the given compiler option works
+AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION],
+[AC_REQUIRE([LT_AC_PROG_SED])
+AC_CACHE_CHECK([$1], [$2],
+  [$2=no
+  ifelse([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4])
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+   lt_compiler_flag="$3"
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   # The option is referenced via a variable to avoid confusing sed.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:__oline__: $lt_compile\"" >&AS_MESSAGE_LOG_FD)
+   (eval "$lt_compile" 2>conftest.err)
+   ac_status=$?
+   cat conftest.err >&AS_MESSAGE_LOG_FD
+   echo "$as_me:__oline__: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
+   if (exit $ac_status) && test -s "$ac_outfile"; then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings other than the usual output.
+     $echo "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' >conftest.exp
+     $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+     if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
+       $2=yes
+     fi
+   fi
+   $rm conftest*
+])
+
+if test x"[$]$2" = xyes; then
+    ifelse([$5], , :, [$5])
+else
+    ifelse([$6], , :, [$6])
+fi
+])# AC_LIBTOOL_COMPILER_OPTION
+
+
+# AC_LIBTOOL_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
+#                          [ACTION-SUCCESS], [ACTION-FAILURE])
+# ------------------------------------------------------------
+# Check whether the given compiler option works
+AC_DEFUN([AC_LIBTOOL_LINKER_OPTION],
+[AC_REQUIRE([LT_AC_PROG_SED])dnl
+AC_CACHE_CHECK([$1], [$2],
+  [$2=no
+   save_LDFLAGS="$LDFLAGS"
+   LDFLAGS="$LDFLAGS $3"
+   echo "$lt_simple_link_test_code" > conftest.$ac_ext
+   if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
+     # The linker can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     if test -s conftest.err; then
+       # Append any errors to the config.log.
+       cat conftest.err 1>&AS_MESSAGE_LOG_FD
+       $echo "X$_lt_linker_boilerplate" | $Xsed -e '/^$/d' > conftest.exp
+       $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+       if diff conftest.exp conftest.er2 >/dev/null; then
+         $2=yes
+       fi
+     else
+       $2=yes
+     fi
+   fi
+   $rm -r conftest*
+   LDFLAGS="$save_LDFLAGS"
+])
+
+if test x"[$]$2" = xyes; then
+    ifelse([$4], , :, [$4])
+else
+    ifelse([$5], , :, [$5])
+fi
+])# AC_LIBTOOL_LINKER_OPTION
+
+
+# AC_LIBTOOL_SYS_MAX_CMD_LEN
+# --------------------------
+AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN],
+[# find the maximum length of command line arguments
+AC_MSG_CHECKING([the maximum length of command line arguments])
+AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl
+  i=0
+  teststring="ABCD"
+
+  case $build_os in
+  msdosdjgpp*)
+    # On DJGPP, this test can blow up pretty badly due to problems in libc
+    # (any single argument exceeding 2000 bytes causes a buffer overrun
+    # during glob expansion).  Even if it were fixed, the result of this
+    # check would be larger than it should be.
+    lt_cv_sys_max_cmd_len=12288;    # 12K is about right
+    ;;
+
+  gnu*)
+    # Under GNU Hurd, this test is not required because there is
+    # no limit to the length of command line arguments.
+    # Libtool will interpret -1 as no limit whatsoever
+    lt_cv_sys_max_cmd_len=-1;
+    ;;
+
+  cygwin* | mingw*)
+    # On Win9x/ME, this test blows up -- it succeeds, but takes
+    # about 5 minutes as the teststring grows exponentially.
+    # Worse, since 9x/ME are not pre-emptively multitasking,
+    # you end up with a "frozen" computer, even though with patience
+    # the test eventually succeeds (with a max line length of 256k).
+    # Instead, let's just punt: use the minimum linelength reported by
+    # all of the supported platforms: 8192 (on NT/2K/XP).
+    lt_cv_sys_max_cmd_len=8192;
+    ;;
+
+  amigaos*)
+    # On AmigaOS with pdksh, this test takes hours, literally.
+    # So we just punt and use a minimum line length of 8192.
+    lt_cv_sys_max_cmd_len=8192;
+    ;;
+
+  netbsd* | freebsd* | openbsd* | darwin* | dragonfly*)
+    # This has been around since 386BSD, at least.  Likely further.
+    if test -x /sbin/sysctl; then
+      lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax`
+    elif test -x /usr/sbin/sysctl; then
+      lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax`
+    else
+      lt_cv_sys_max_cmd_len=65536	# usable default for all BSDs
+    fi
+    # And add a safety zone
+    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
+    ;;
+
+  interix*)
+    # We know the value 262144 and hardcode it with a safety zone (like BSD)
+    lt_cv_sys_max_cmd_len=196608
+    ;;
+
+  osf*)
+    # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
+    # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not
+    # nice to cause kernel panics so lets avoid the loop below.
+    # First set a reasonable default.
+    lt_cv_sys_max_cmd_len=16384
+    #
+    if test -x /sbin/sysconfig; then
+      case `/sbin/sysconfig -q proc exec_disable_arg_limit` in
+        *1*) lt_cv_sys_max_cmd_len=-1 ;;
+      esac
+    fi
+    ;;
+  sco3.2v5*)
+    lt_cv_sys_max_cmd_len=102400
+    ;;
+  sysv5* | sco5v6* | sysv4.2uw2*)
+    kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null`
+    if test -n "$kargmax"; then
+      lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[[ 	]]//'`
+    else
+      lt_cv_sys_max_cmd_len=32768
+    fi
+    ;;
+  *)
+    lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null`
+    if test -n "$lt_cv_sys_max_cmd_len"; then
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
+    else
+      SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}}
+      while (test "X"`$SHELL [$]0 --fallback-echo "X$teststring" 2>/dev/null` \
+	       = "XX$teststring") >/dev/null 2>&1 &&
+	      new_result=`expr "X$teststring" : ".*" 2>&1` &&
+	      lt_cv_sys_max_cmd_len=$new_result &&
+	      test $i != 17 # 1/2 MB should be enough
+      do
+        i=`expr $i + 1`
+        teststring=$teststring$teststring
+      done
+      teststring=
+      # Add a significant safety factor because C++ compilers can tack on massive
+      # amounts of additional arguments before passing them to the linker.
+      # It appears as though 1/2 is a usable value.
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2`
+    fi
+    ;;
+  esac
+])
+if test -n $lt_cv_sys_max_cmd_len ; then
+  AC_MSG_RESULT($lt_cv_sys_max_cmd_len)
+else
+  AC_MSG_RESULT(none)
+fi
+])# AC_LIBTOOL_SYS_MAX_CMD_LEN
+
+
+# _LT_AC_CHECK_DLFCN
+# ------------------
+AC_DEFUN([_LT_AC_CHECK_DLFCN],
+[AC_CHECK_HEADERS(dlfcn.h)dnl
+])# _LT_AC_CHECK_DLFCN
+
+
+# _LT_AC_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE,
+#                           ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING)
+# ---------------------------------------------------------------------
+AC_DEFUN([_LT_AC_TRY_DLOPEN_SELF],
+[AC_REQUIRE([_LT_AC_CHECK_DLFCN])dnl
+if test "$cross_compiling" = yes; then :
+  [$4]
+else
+  lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
+  lt_status=$lt_dlunknown
+  cat > conftest.$ac_ext <<EOF
+[#line __oline__ "configure"
+#include "confdefs.h"
+
+#if HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+
+#include <stdio.h>
+
+#ifdef RTLD_GLOBAL
+#  define LT_DLGLOBAL		RTLD_GLOBAL
+#else
+#  ifdef DL_GLOBAL
+#    define LT_DLGLOBAL		DL_GLOBAL
+#  else
+#    define LT_DLGLOBAL		0
+#  endif
+#endif
+
+/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
+   find out it does not work in some platform. */
+#ifndef LT_DLLAZY_OR_NOW
+#  ifdef RTLD_LAZY
+#    define LT_DLLAZY_OR_NOW		RTLD_LAZY
+#  else
+#    ifdef DL_LAZY
+#      define LT_DLLAZY_OR_NOW		DL_LAZY
+#    else
+#      ifdef RTLD_NOW
+#        define LT_DLLAZY_OR_NOW	RTLD_NOW
+#      else
+#        ifdef DL_NOW
+#          define LT_DLLAZY_OR_NOW	DL_NOW
+#        else
+#          define LT_DLLAZY_OR_NOW	0
+#        endif
+#      endif
+#    endif
+#  endif
+#endif
+
+#ifdef __cplusplus
+extern "C" void exit (int);
+#endif
+
+void fnord() { int i=42;}
+int main ()
+{
+  void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
+  int status = $lt_dlunknown;
+
+  if (self)
+    {
+      if (dlsym (self,"fnord"))       status = $lt_dlno_uscore;
+      else if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore;
+      /* dlclose (self); */
+    }
+  else
+    puts (dlerror ());
+
+    exit (status);
+}]
+EOF
+  if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} 2>/dev/null; then
+    (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null
+    lt_status=$?
+    case x$lt_status in
+      x$lt_dlno_uscore) $1 ;;
+      x$lt_dlneed_uscore) $2 ;;
+      x$lt_dlunknown|x*) $3 ;;
+    esac
+  else :
+    # compilation failed
+    $3
+  fi
+fi
+rm -fr conftest*
+])# _LT_AC_TRY_DLOPEN_SELF
+
+
+# AC_LIBTOOL_DLOPEN_SELF
+# ----------------------
+AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF],
+[AC_REQUIRE([_LT_AC_CHECK_DLFCN])dnl
+if test "x$enable_dlopen" != xyes; then
+  enable_dlopen=unknown
+  enable_dlopen_self=unknown
+  enable_dlopen_self_static=unknown
+else
+  lt_cv_dlopen=no
+  lt_cv_dlopen_libs=
+
+  case $host_os in
+  beos*)
+    lt_cv_dlopen="load_add_on"
+    lt_cv_dlopen_libs=
+    lt_cv_dlopen_self=yes
+    ;;
+
+  mingw* | pw32*)
+    lt_cv_dlopen="LoadLibrary"
+    lt_cv_dlopen_libs=
+   ;;
+
+  cygwin*)
+    lt_cv_dlopen="dlopen"
+    lt_cv_dlopen_libs=
+   ;;
+
+  darwin*)
+  # if libdl is installed we need to link against it
+    AC_CHECK_LIB([dl], [dlopen],
+		[lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"],[
+    lt_cv_dlopen="dyld"
+    lt_cv_dlopen_libs=
+    lt_cv_dlopen_self=yes
+    ])
+   ;;
+
+  *)
+    AC_CHECK_FUNC([shl_load],
+	  [lt_cv_dlopen="shl_load"],
+      [AC_CHECK_LIB([dld], [shl_load],
+	    [lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"],
+	[AC_CHECK_FUNC([dlopen],
+	      [lt_cv_dlopen="dlopen"],
+	  [AC_CHECK_LIB([dl], [dlopen],
+		[lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"],
+	    [AC_CHECK_LIB([svld], [dlopen],
+		  [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"],
+	      [AC_CHECK_LIB([dld], [dld_link],
+		    [lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"])
+	      ])
+	    ])
+	  ])
+	])
+      ])
+    ;;
+  esac
+
+  if test "x$lt_cv_dlopen" != xno; then
+    enable_dlopen=yes
+  else
+    enable_dlopen=no
+  fi
+
+  case $lt_cv_dlopen in
+  dlopen)
+    save_CPPFLAGS="$CPPFLAGS"
+    test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
+
+    save_LDFLAGS="$LDFLAGS"
+    wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
+
+    save_LIBS="$LIBS"
+    LIBS="$lt_cv_dlopen_libs $LIBS"
+
+    AC_CACHE_CHECK([whether a program can dlopen itself],
+	  lt_cv_dlopen_self, [dnl
+	  _LT_AC_TRY_DLOPEN_SELF(
+	    lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes,
+	    lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross)
+    ])
+
+    if test "x$lt_cv_dlopen_self" = xyes; then
+      wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\"
+      AC_CACHE_CHECK([whether a statically linked program can dlopen itself],
+    	  lt_cv_dlopen_self_static, [dnl
+	  _LT_AC_TRY_DLOPEN_SELF(
+	    lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes,
+	    lt_cv_dlopen_self_static=no,  lt_cv_dlopen_self_static=cross)
+      ])
+    fi
+
+    CPPFLAGS="$save_CPPFLAGS"
+    LDFLAGS="$save_LDFLAGS"
+    LIBS="$save_LIBS"
+    ;;
+  esac
+
+  case $lt_cv_dlopen_self in
+  yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
+  *) enable_dlopen_self=unknown ;;
+  esac
+
+  case $lt_cv_dlopen_self_static in
+  yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
+  *) enable_dlopen_self_static=unknown ;;
+  esac
+fi
+])# AC_LIBTOOL_DLOPEN_SELF
+
+
+# AC_LIBTOOL_PROG_CC_C_O([TAGNAME])
+# ---------------------------------
+# Check to see if options -c and -o are simultaneously supported by compiler
+AC_DEFUN([AC_LIBTOOL_PROG_CC_C_O],
+[AC_REQUIRE([LT_AC_PROG_SED])dnl
+AC_REQUIRE([_LT_AC_SYS_COMPILER])dnl
+AC_CACHE_CHECK([if $compiler supports -c -o file.$ac_objext],
+  [_LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1)],
+  [_LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1)=no
+   $rm -r conftest 2>/dev/null
+   mkdir conftest
+   cd conftest
+   mkdir out
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+   lt_compiler_flag="-o out/conftest2.$ac_objext"
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:__oline__: $lt_compile\"" >&AS_MESSAGE_LOG_FD)
+   (eval "$lt_compile" 2>out/conftest.err)
+   ac_status=$?
+   cat out/conftest.err >&AS_MESSAGE_LOG_FD
+   echo "$as_me:__oline__: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
+   if (exit $ac_status) && test -s out/conftest2.$ac_objext
+   then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     $echo "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' > out/conftest.exp
+     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
+     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
+       _LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes
+     fi
+   fi
+   chmod u+w . 2>&AS_MESSAGE_LOG_FD
+   $rm conftest*
+   # SGI C++ compiler will create directory out/ii_files/ for
+   # template instantiation
+   test -d out/ii_files && $rm out/ii_files/* && rmdir out/ii_files
+   $rm out/* && rmdir out
+   cd ..
+   rmdir conftest
+   $rm conftest*
+])
+])# AC_LIBTOOL_PROG_CC_C_O
+
+
+# AC_LIBTOOL_SYS_HARD_LINK_LOCKS([TAGNAME])
+# -----------------------------------------
+# Check to see if we can do hard links to lock some files if needed
+AC_DEFUN([AC_LIBTOOL_SYS_HARD_LINK_LOCKS],
+[AC_REQUIRE([_LT_AC_LOCK])dnl
+
+hard_links="nottested"
+if test "$_LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1)" = no && test "$need_locks" != no; then
+  # do not overwrite the value of need_locks provided by the user
+  AC_MSG_CHECKING([if we can lock with hard links])
+  hard_links=yes
+  $rm conftest*
+  ln conftest.a conftest.b 2>/dev/null && hard_links=no
+  touch conftest.a
+  ln conftest.a conftest.b 2>&5 || hard_links=no
+  ln conftest.a conftest.b 2>/dev/null && hard_links=no
+  AC_MSG_RESULT([$hard_links])
+  if test "$hard_links" = no; then
+    AC_MSG_WARN([`$CC' does not support `-c -o', so `make -j' may be unsafe])
+    need_locks=warn
+  fi
+else
+  need_locks=no
+fi
+])# AC_LIBTOOL_SYS_HARD_LINK_LOCKS
+
+
+# AC_LIBTOOL_OBJDIR
+# -----------------
+AC_DEFUN([AC_LIBTOOL_OBJDIR],
+[AC_CACHE_CHECK([for objdir], [lt_cv_objdir],
+[rm -f .libs 2>/dev/null
+mkdir .libs 2>/dev/null
+if test -d .libs; then
+  lt_cv_objdir=.libs
+else
+  # MS-DOS does not allow filenames that begin with a dot.
+  lt_cv_objdir=_libs
+fi
+rmdir .libs 2>/dev/null])
+objdir=$lt_cv_objdir
+])# AC_LIBTOOL_OBJDIR
+
+
+# AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH([TAGNAME])
+# ----------------------------------------------
+# Check hardcoding attributes.
+AC_DEFUN([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH],
+[AC_MSG_CHECKING([how to hardcode library paths into programs])
+_LT_AC_TAGVAR(hardcode_action, $1)=
+if test -n "$_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)" || \
+   test -n "$_LT_AC_TAGVAR(runpath_var, $1)" || \
+   test "X$_LT_AC_TAGVAR(hardcode_automatic, $1)" = "Xyes" ; then
+
+  # We can hardcode non-existant directories.
+  if test "$_LT_AC_TAGVAR(hardcode_direct, $1)" != no &&
+     # If the only mechanism to avoid hardcoding is shlibpath_var, we
+     # have to relink, otherwise we might link with an installed library
+     # when we should be linking with a yet-to-be-installed one
+     ## test "$_LT_AC_TAGVAR(hardcode_shlibpath_var, $1)" != no &&
+     test "$_LT_AC_TAGVAR(hardcode_minus_L, $1)" != no; then
+    # Linking always hardcodes the temporary library directory.
+    _LT_AC_TAGVAR(hardcode_action, $1)=relink
+  else
+    # We can link without hardcoding, and we can hardcode nonexisting dirs.
+    _LT_AC_TAGVAR(hardcode_action, $1)=immediate
+  fi
+else
+  # We cannot hardcode anything, or else we can only hardcode existing
+  # directories.
+  _LT_AC_TAGVAR(hardcode_action, $1)=unsupported
+fi
+AC_MSG_RESULT([$_LT_AC_TAGVAR(hardcode_action, $1)])
+
+if test "$_LT_AC_TAGVAR(hardcode_action, $1)" = relink; then
+  # Fast installation is not supported
+  enable_fast_install=no
+elif test "$shlibpath_overrides_runpath" = yes ||
+     test "$enable_shared" = no; then
+  # Fast installation is not necessary
+  enable_fast_install=needless
+fi
+])# AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH
+
+
+# AC_LIBTOOL_SYS_LIB_STRIP
+# ------------------------
+AC_DEFUN([AC_LIBTOOL_SYS_LIB_STRIP],
+[striplib=
+old_striplib=
+AC_MSG_CHECKING([whether stripping libraries is possible])
+if test -n "$STRIP" && $STRIP -V 2>&1 | grep "GNU strip" >/dev/null; then
+  test -z "$old_striplib" && old_striplib="$STRIP --strip-debug"
+  test -z "$striplib" && striplib="$STRIP --strip-unneeded"
+  AC_MSG_RESULT([yes])
+else
+# FIXME - insert some real tests, host_os isn't really good enough
+  case $host_os in
+   darwin*)
+       if test -n "$STRIP" ; then
+         striplib="$STRIP -x"
+         old_striplib="$STRIP -S"
+         AC_MSG_RESULT([yes])
+       else
+  AC_MSG_RESULT([no])
+fi
+       ;;
+   *)
+  AC_MSG_RESULT([no])
+    ;;
+  esac
+fi
+])# AC_LIBTOOL_SYS_LIB_STRIP
+
+
+# AC_LIBTOOL_SYS_DYNAMIC_LINKER
+# -----------------------------
+# PORTME Fill in your ld.so characteristics
+AC_DEFUN([AC_LIBTOOL_SYS_DYNAMIC_LINKER],
+[AC_REQUIRE([LT_AC_PROG_SED])dnl
+AC_MSG_CHECKING([dynamic linker characteristics])
+library_names_spec=
+libname_spec='lib$name'
+soname_spec=
+shrext_cmds=".so"
+postinstall_cmds=
+postuninstall_cmds=
+finish_cmds=
+finish_eval=
+shlibpath_var=
+shlibpath_overrides_runpath=unknown
+version_type=none
+dynamic_linker="$host_os ld.so"
+sys_lib_dlsearch_path_spec="/lib /usr/lib"
+m4_if($1,[],[
+if test "$GCC" = yes; then
+  case $host_os in
+    darwin*) lt_awk_arg="/^libraries:/,/LR/" ;;
+    *) lt_awk_arg="/^libraries:/" ;;
+  esac
+  lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e "s,=/,/,g"`
+  if echo "$lt_search_path_spec" | grep ';' >/dev/null ; then
+    # if the path contains ";" then we assume it to be the separator
+    # otherwise default to the standard path separator (i.e. ":") - it is
+    # assumed that no part of a normal pathname contains ";" but that should
+    # okay in the real world where ";" in dirpaths is itself problematic.
+    lt_search_path_spec=`echo "$lt_search_path_spec" | $SED -e 's/;/ /g'`
+  else
+    lt_search_path_spec=`echo "$lt_search_path_spec" | $SED  -e "s/$PATH_SEPARATOR/ /g"`
+  fi
+  # Ok, now we have the path, separated by spaces, we can step through it
+  # and add multilib dir if necessary.
+  lt_tmp_lt_search_path_spec=
+  lt_multi_os_dir=`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null`
+  for lt_sys_path in $lt_search_path_spec; do
+    if test -d "$lt_sys_path/$lt_multi_os_dir"; then
+      lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path/$lt_multi_os_dir"
+    else
+      test -d "$lt_sys_path" && \
+	lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path"
+    fi
+  done
+  lt_search_path_spec=`echo $lt_tmp_lt_search_path_spec | awk '
+BEGIN {RS=" "; FS="/|\n";} {
+  lt_foo="";
+  lt_count=0;
+  for (lt_i = NF; lt_i > 0; lt_i--) {
+    if ($lt_i != "" && $lt_i != ".") {
+      if ($lt_i == "..") {
+        lt_count++;
+      } else {
+        if (lt_count == 0) {
+          lt_foo="/" $lt_i lt_foo;
+        } else {
+          lt_count--;
+        }
+      }
+    }
+  }
+  if (lt_foo != "") { lt_freq[[lt_foo]]++; }
+  if (lt_freq[[lt_foo]] == 1) { print lt_foo; }
+}'`
+  sys_lib_search_path_spec=`echo $lt_search_path_spec`
+else
+  sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
+fi])
+need_lib_prefix=unknown
+hardcode_into_libs=no
+
+# when you set need_version to no, make sure it does not cause -set_version
+# flags to be left without arguments
+need_version=unknown
+
+case $host_os in
+aix3*)
+  version_type=linux
+  library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a'
+  shlibpath_var=LIBPATH
+
+  # AIX 3 has no versioning support, so we append a major version to the name.
+  soname_spec='${libname}${release}${shared_ext}$major'
+  ;;
+
+aix[[4-9]]*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  hardcode_into_libs=yes
+  if test "$host_cpu" = ia64; then
+    # AIX 5 supports IA64
+    library_names_spec='${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext}$versuffix $libname${shared_ext}'
+    shlibpath_var=LD_LIBRARY_PATH
+  else
+    # With GCC up to 2.95.x, collect2 would create an import file
+    # for dependence libraries.  The import file would start with
+    # the line `#! .'.  This would cause the generated library to
+    # depend on `.', always an invalid library.  This was fixed in
+    # development snapshots of GCC prior to 3.0.
+    case $host_os in
+      aix4 | aix4.[[01]] | aix4.[[01]].*)
+      if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
+	   echo ' yes '
+	   echo '#endif'; } | ${CC} -E - | grep yes > /dev/null; then
+	:
+      else
+	can_build_shared=no
+      fi
+      ;;
+    esac
+    # AIX (on Power*) has no versioning support, so currently we can not hardcode correct
+    # soname into executable. Probably we can add versioning support to
+    # collect2, so additional links can be useful in future.
+    if test "$aix_use_runtimelinking" = yes; then
+      # If using run time linking (on AIX 4.2 or later) use lib<name>.so
+      # instead of lib<name>.a to let people know that these are not
+      # typical AIX shared libraries.
+      library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    else
+      # We preserve .a as extension for shared libraries through AIX4.2
+      # and later when we are not doing run time linking.
+      library_names_spec='${libname}${release}.a $libname.a'
+      soname_spec='${libname}${release}${shared_ext}$major'
+    fi
+    shlibpath_var=LIBPATH
+  fi
+  ;;
+
+amigaos*)
+  library_names_spec='$libname.ixlibrary $libname.a'
+  # Create ${libname}_ixlibrary.a entries in /sys/libs.
+  finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`$echo "X$lib" | $Xsed -e '\''s%^.*/\([[^/]]*\)\.ixlibrary$%\1%'\''`; test $rm /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
+  ;;
+
+beos*)
+  library_names_spec='${libname}${shared_ext}'
+  dynamic_linker="$host_os ld.so"
+  shlibpath_var=LIBRARY_PATH
+  ;;
+
+bsdi[[45]]*)
+  version_type=linux
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
+  sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
+  # the default ld.so.conf also contains /usr/contrib/lib and
+  # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
+  # libtool to hard-code these into programs
+  ;;
+
+cygwin* | mingw* | pw32*)
+  version_type=windows
+  shrext_cmds=".dll"
+  need_version=no
+  need_lib_prefix=no
+
+  case $GCC,$host_os in
+  yes,cygwin* | yes,mingw* | yes,pw32*)
+    library_names_spec='$libname.dll.a'
+    # DLL is installed to $(libdir)/../bin by postinstall_cmds
+    postinstall_cmds='base_file=`basename \${file}`~
+      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i;echo \$dlname'\''`~
+      dldir=$destdir/`dirname \$dlpath`~
+      test -d \$dldir || mkdir -p \$dldir~
+      $install_prog $dir/$dlname \$dldir/$dlname~
+      chmod a+x \$dldir/$dlname'
+    postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
+      dlpath=$dir/\$dldll~
+       $rm \$dlpath'
+    shlibpath_overrides_runpath=yes
+
+    case $host_os in
+    cygwin*)
+      # Cygwin DLLs use 'cyg' prefix rather than 'lib'
+      soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
+      sys_lib_search_path_spec="/usr/lib /lib/w32api /lib /usr/local/lib"
+      ;;
+    mingw*)
+      # MinGW DLLs use traditional 'lib' prefix
+      soname_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
+      sys_lib_search_path_spec=`$CC -print-search-dirs | grep "^libraries:" | $SED -e "s/^libraries://" -e "s,=/,/,g"`
+      if echo "$sys_lib_search_path_spec" | [grep ';[c-zC-Z]:/' >/dev/null]; then
+        # It is most probably a Windows format PATH printed by
+        # mingw gcc, but we are running on Cygwin. Gcc prints its search
+        # path with ; separators, and with drive letters. We can handle the
+        # drive letters (cygwin fileutils understands them), so leave them,
+        # especially as we might pass files found there to a mingw objdump,
+        # which wouldn't understand a cygwinified path. Ahh.
+        sys_lib_search_path_spec=`echo "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
+      else
+        sys_lib_search_path_spec=`echo "$sys_lib_search_path_spec" | $SED  -e "s/$PATH_SEPARATOR/ /g"`
+      fi
+      ;;
+    pw32*)
+      # pw32 DLLs use 'pw' prefix rather than 'lib'
+      library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
+      ;;
+    esac
+    ;;
+
+  *)
+    library_names_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext} $libname.lib'
+    ;;
+  esac
+  dynamic_linker='Win32 ld.exe'
+  # FIXME: first we should search . and the directory the executable is in
+  shlibpath_var=PATH
+  ;;
+
+darwin* | rhapsody*)
+  dynamic_linker="$host_os dyld"
+  version_type=darwin
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${versuffix}$shared_ext ${libname}${release}${major}$shared_ext ${libname}$shared_ext'
+  soname_spec='${libname}${release}${major}$shared_ext'
+  shlibpath_overrides_runpath=yes
+  shlibpath_var=DYLD_LIBRARY_PATH
+  shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`'
+  m4_if([$1], [],[
+  sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib"]) 
+  sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
+  ;;
+
+dgux*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  ;;
+
+freebsd1*)
+  dynamic_linker=no
+  ;;
+
+freebsd* | dragonfly*)
+  # DragonFly does not have aout.  When/if they implement a new
+  # versioning mechanism, adjust this.
+  if test -x /usr/bin/objformat; then
+    objformat=`/usr/bin/objformat`
+  else
+    case $host_os in
+    freebsd[[123]]*) objformat=aout ;;
+    *) objformat=elf ;;
+    esac
+  fi
+  version_type=freebsd-$objformat
+  case $version_type in
+    freebsd-elf*)
+      library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+      need_version=no
+      need_lib_prefix=no
+      ;;
+    freebsd-*)
+      library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix'
+      need_version=yes
+      ;;
+  esac
+  shlibpath_var=LD_LIBRARY_PATH
+  case $host_os in
+  freebsd2*)
+    shlibpath_overrides_runpath=yes
+    ;;
+  freebsd3.[[01]]* | freebsdelf3.[[01]]*)
+    shlibpath_overrides_runpath=yes
+    hardcode_into_libs=yes
+    ;;
+  freebsd3.[[2-9]]* | freebsdelf3.[[2-9]]* | \
+  freebsd4.[[0-5]] | freebsdelf4.[[0-5]] | freebsd4.1.1 | freebsdelf4.1.1)
+    shlibpath_overrides_runpath=no
+    hardcode_into_libs=yes
+    ;;
+  *) # from 4.6 on, and DragonFly
+    shlibpath_overrides_runpath=yes
+    hardcode_into_libs=yes
+    ;;
+  esac
+  ;;
+
+gnu*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  hardcode_into_libs=yes
+  ;;
+
+hpux9* | hpux10* | hpux11*)
+  # Give a soname corresponding to the major version so that dld.sl refuses to
+  # link against other versions.
+  version_type=sunos
+  need_lib_prefix=no
+  need_version=no
+  case $host_cpu in
+  ia64*)
+    shrext_cmds='.so'
+    hardcode_into_libs=yes
+    dynamic_linker="$host_os dld.so"
+    shlibpath_var=LD_LIBRARY_PATH
+    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    soname_spec='${libname}${release}${shared_ext}$major'
+    if test "X$HPUX_IA64_MODE" = X32; then
+      sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
+    else
+      sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
+    fi
+    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+    ;;
+   hppa*64*)
+     shrext_cmds='.sl'
+     hardcode_into_libs=yes
+     dynamic_linker="$host_os dld.sl"
+     shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
+     shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+     library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+     soname_spec='${libname}${release}${shared_ext}$major'
+     sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
+     sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+     ;;
+   *)
+    shrext_cmds='.sl'
+    dynamic_linker="$host_os dld.sl"
+    shlibpath_var=SHLIB_PATH
+    shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    soname_spec='${libname}${release}${shared_ext}$major'
+    ;;
+  esac
+  # HP-UX runs *really* slowly unless shared libraries are mode 555.
+  postinstall_cmds='chmod 555 $lib'
+  ;;
+
+interix[[3-9]]*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  ;;
+
+irix5* | irix6* | nonstopux*)
+  case $host_os in
+    nonstopux*) version_type=nonstopux ;;
+    *)
+	if test "$lt_cv_prog_gnu_ld" = yes; then
+		version_type=linux
+	else
+		version_type=irix
+	fi ;;
+  esac
+  need_lib_prefix=no
+  need_version=no
+  soname_spec='${libname}${release}${shared_ext}$major'
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}'
+  case $host_os in
+  irix5* | nonstopux*)
+    libsuff= shlibsuff=
+    ;;
+  *)
+    case $LD in # libtool.m4 will add one of these switches to LD
+    *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ")
+      libsuff= shlibsuff= libmagic=32-bit;;
+    *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ")
+      libsuff=32 shlibsuff=N32 libmagic=N32;;
+    *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ")
+      libsuff=64 shlibsuff=64 libmagic=64-bit;;
+    *) libsuff= shlibsuff= libmagic=never-match;;
+    esac
+    ;;
+  esac
+  shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
+  shlibpath_overrides_runpath=no
+  sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
+  sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
+  hardcode_into_libs=yes
+  ;;
+
+# No shared lib support for Linux oldld, aout, or coff.
+linux*oldld* | linux*aout* | linux*coff*)
+  dynamic_linker=no
+  ;;
+
+# This must be Linux ELF.
+linux* | k*bsd*-gnu)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  # This implies no fast_install, which is unacceptable.
+  # Some rework will be needed to allow for fast_install
+  # before this can be enabled.
+  hardcode_into_libs=yes
+
+  # Append ld.so.conf contents to the search path
+  if test -f /etc/ld.so.conf; then
+    lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \[$]2)); skip = 1; } { if (!skip) print \[$]0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ 	]*hwcap[ 	]/d;s/[:,	]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;/^$/d' | tr '\n' ' '`
+    sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
+  fi
+
+  # We used to test for /lib/ld.so.1 and disable shared libraries on
+  # powerpc, because MkLinux only supported shared libraries with the
+  # GNU dynamic linker.  Since this was broken with cross compilers,
+  # most powerpc-linux boxes support dynamic linking these days and
+  # people can always --disable-shared, the test was removed, and we
+  # assume the GNU/Linux dynamic linker is in use.
+  dynamic_linker='GNU/Linux ld.so'
+  ;;
+
+netbsdelf*-gnu)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  dynamic_linker='NetBSD ld.elf_so'
+  ;;
+
+netbsd*)
+  version_type=sunos
+  need_lib_prefix=no
+  need_version=no
+  if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+    finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+    dynamic_linker='NetBSD (a.out) ld.so'
+  else
+    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+    soname_spec='${libname}${release}${shared_ext}$major'
+    dynamic_linker='NetBSD ld.elf_so'
+  fi
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  ;;
+
+newsos6)
+  version_type=linux
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  ;;
+
+nto-qnx*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  ;;
+
+openbsd*)
+  version_type=sunos
+  sys_lib_dlsearch_path_spec="/usr/lib"
+  need_lib_prefix=no
+  # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs.
+  case $host_os in
+    openbsd3.3 | openbsd3.3.*) need_version=yes ;;
+    *)                         need_version=no  ;;
+  esac
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+    case $host_os in
+      openbsd2.[[89]] | openbsd2.[[89]].*)
+	shlibpath_overrides_runpath=no
+	;;
+      *)
+	shlibpath_overrides_runpath=yes
+	;;
+      esac
+  else
+    shlibpath_overrides_runpath=yes
+  fi
+  ;;
+
+os2*)
+  libname_spec='$name'
+  shrext_cmds=".dll"
+  need_lib_prefix=no
+  library_names_spec='$libname${shared_ext} $libname.a'
+  dynamic_linker='OS/2 ld.exe'
+  shlibpath_var=LIBPATH
+  ;;
+
+osf3* | osf4* | osf5*)
+  version_type=osf
+  need_lib_prefix=no
+  need_version=no
+  soname_spec='${libname}${release}${shared_ext}$major'
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  shlibpath_var=LD_LIBRARY_PATH
+  sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
+  sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
+  ;;
+
+rdos*)
+  dynamic_linker=no
+  ;;
+
+solaris*)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  # ldd complains unless libraries are executable
+  postinstall_cmds='chmod +x $lib'
+  ;;
+
+sunos4*)
+  version_type=sunos
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+  finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  if test "$with_gnu_ld" = yes; then
+    need_lib_prefix=no
+  fi
+  need_version=yes
+  ;;
+
+sysv4 | sysv4.3*)
+  version_type=linux
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  case $host_vendor in
+    sni)
+      shlibpath_overrides_runpath=no
+      need_lib_prefix=no
+      export_dynamic_flag_spec='${wl}-Blargedynsym'
+      runpath_var=LD_RUN_PATH
+      ;;
+    siemens)
+      need_lib_prefix=no
+      ;;
+    motorola)
+      need_lib_prefix=no
+      need_version=no
+      shlibpath_overrides_runpath=no
+      sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
+      ;;
+  esac
+  ;;
+
+sysv4*MP*)
+  if test -d /usr/nec ;then
+    version_type=linux
+    library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}'
+    soname_spec='$libname${shared_ext}.$major'
+    shlibpath_var=LD_LIBRARY_PATH
+  fi
+  ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+  version_type=freebsd-elf
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  hardcode_into_libs=yes
+  if test "$with_gnu_ld" = yes; then
+    sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib'
+    shlibpath_overrides_runpath=no
+  else
+    sys_lib_search_path_spec='/usr/ccs/lib /usr/lib'
+    shlibpath_overrides_runpath=yes
+    case $host_os in
+      sco3.2v5*)
+        sys_lib_search_path_spec="$sys_lib_search_path_spec /lib"
+	;;
+    esac
+  fi
+  sys_lib_dlsearch_path_spec='/usr/lib'
+  ;;
+
+uts4*)
+  version_type=linux
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  ;;
+
+*)
+  dynamic_linker=no
+  ;;
+esac
+AC_MSG_RESULT([$dynamic_linker])
+test "$dynamic_linker" = no && can_build_shared=no
+
+AC_CACHE_VAL([lt_cv_sys_lib_search_path_spec],
+[lt_cv_sys_lib_search_path_spec="$sys_lib_search_path_spec"])
+sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec"
+AC_CACHE_VAL([lt_cv_sys_lib_dlsearch_path_spec],
+[lt_cv_sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec"])
+sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec"
+
+variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
+if test "$GCC" = yes; then
+  variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
+fi
+])# AC_LIBTOOL_SYS_DYNAMIC_LINKER
+
+
+# _LT_AC_TAGCONFIG
+# ----------------
+AC_DEFUN([_LT_AC_TAGCONFIG],
+[AC_REQUIRE([LT_AC_PROG_SED])dnl
+AC_ARG_WITH([tags],
+    [AC_HELP_STRING([--with-tags@<:@=TAGS@:>@],
+        [include additional configurations @<:@automatic@:>@])],
+    [tagnames="$withval"])
+
+if test -f "$ltmain" && test -n "$tagnames"; then
+  if test ! -f "${ofile}"; then
+    AC_MSG_WARN([output file `$ofile' does not exist])
+  fi
+
+  if test -z "$LTCC"; then
+    eval "`$SHELL ${ofile} --config | grep '^LTCC='`"
+    if test -z "$LTCC"; then
+      AC_MSG_WARN([output file `$ofile' does not look like a libtool script])
+    else
+      AC_MSG_WARN([using `LTCC=$LTCC', extracted from `$ofile'])
+    fi
+  fi
+  if test -z "$LTCFLAGS"; then
+    eval "`$SHELL ${ofile} --config | grep '^LTCFLAGS='`"
+  fi
+
+  # Extract list of available tagged configurations in $ofile.
+  # Note that this assumes the entire list is on one line.
+  available_tags=`grep "^available_tags=" "${ofile}" | $SED -e 's/available_tags=\(.*$\)/\1/' -e 's/\"//g'`
+
+  lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+  for tagname in $tagnames; do
+    IFS="$lt_save_ifs"
+    # Check whether tagname contains only valid characters
+    case `$echo "X$tagname" | $Xsed -e 's:[[-_ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890,/]]::g'` in
+    "") ;;
+    *)  AC_MSG_ERROR([invalid tag name: $tagname])
+	;;
+    esac
+
+    if grep "^# ### BEGIN LIBTOOL TAG CONFIG: $tagname$" < "${ofile}" > /dev/null
+    then
+      AC_MSG_ERROR([tag name \"$tagname\" already exists])
+    fi
+
+    # Update the list of available tags.
+    if test -n "$tagname"; then
+      echo appending configuration tag \"$tagname\" to $ofile
+
+      case $tagname in
+      CXX)
+	if test -n "$CXX" && ( test "X$CXX" != "Xno" &&
+	    ( (test "X$CXX" = "Xg++" && `g++ -v >/dev/null 2>&1` ) ||
+	    (test "X$CXX" != "Xg++"))) ; then
+	  AC_LIBTOOL_LANG_CXX_CONFIG
+	else
+	  tagname=""
+	fi
+	;;
+
+      F77)
+	if test -n "$F77" && test "X$F77" != "Xno"; then
+	  AC_LIBTOOL_LANG_F77_CONFIG
+	else
+	  tagname=""
+	fi
+	;;
+
+      GCJ)
+	if test -n "$GCJ" && test "X$GCJ" != "Xno"; then
+	  AC_LIBTOOL_LANG_GCJ_CONFIG
+	else
+	  tagname=""
+	fi
+	;;
+
+      RC)
+	AC_LIBTOOL_LANG_RC_CONFIG
+	;;
+
+      *)
+	AC_MSG_ERROR([Unsupported tag name: $tagname])
+	;;
+      esac
+
+      # Append the new tag name to the list of available tags.
+      if test -n "$tagname" ; then
+      available_tags="$available_tags $tagname"
+    fi
+    fi
+  done
+  IFS="$lt_save_ifs"
+
+  # Now substitute the updated list of available tags.
+  if eval "sed -e 's/^available_tags=.*\$/available_tags=\"$available_tags\"/' \"$ofile\" > \"${ofile}T\""; then
+    mv "${ofile}T" "$ofile"
+    chmod +x "$ofile"
+  else
+    rm -f "${ofile}T"
+    AC_MSG_ERROR([unable to update list of available tagged configurations.])
+  fi
+fi
+])# _LT_AC_TAGCONFIG
+
+
+# AC_LIBTOOL_DLOPEN
+# -----------------
+# enable checks for dlopen support
+AC_DEFUN([AC_LIBTOOL_DLOPEN],
+ [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])
+])# AC_LIBTOOL_DLOPEN
+
+
+# AC_LIBTOOL_WIN32_DLL
+# --------------------
+# declare package support for building win32 DLLs
+AC_DEFUN([AC_LIBTOOL_WIN32_DLL],
+[AC_BEFORE([$0], [AC_LIBTOOL_SETUP])
+])# AC_LIBTOOL_WIN32_DLL
+
+
+# AC_ENABLE_SHARED([DEFAULT])
+# ---------------------------
+# implement the --enable-shared flag
+# DEFAULT is either `yes' or `no'.  If omitted, it defaults to `yes'.
+AC_DEFUN([AC_ENABLE_SHARED],
+[define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
+AC_ARG_ENABLE([shared],
+    [AC_HELP_STRING([--enable-shared@<:@=PKGS@:>@],
+	[build shared libraries @<:@default=]AC_ENABLE_SHARED_DEFAULT[@:>@])],
+    [p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_shared=yes ;;
+    no) enable_shared=no ;;
+    *)
+      enable_shared=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+      for pkg in $enableval; do
+	IFS="$lt_save_ifs"
+	if test "X$pkg" = "X$p"; then
+	  enable_shared=yes
+	fi
+      done
+      IFS="$lt_save_ifs"
+      ;;
+    esac],
+    [enable_shared=]AC_ENABLE_SHARED_DEFAULT)
+])# AC_ENABLE_SHARED
+
+
+# AC_DISABLE_SHARED
+# -----------------
+# set the default shared flag to --disable-shared
+AC_DEFUN([AC_DISABLE_SHARED],
+[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
+AC_ENABLE_SHARED(no)
+])# AC_DISABLE_SHARED
+
+
+# AC_ENABLE_STATIC([DEFAULT])
+# ---------------------------
+# implement the --enable-static flag
+# DEFAULT is either `yes' or `no'.  If omitted, it defaults to `yes'.
+AC_DEFUN([AC_ENABLE_STATIC],
+[define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
+AC_ARG_ENABLE([static],
+    [AC_HELP_STRING([--enable-static@<:@=PKGS@:>@],
+	[build static libraries @<:@default=]AC_ENABLE_STATIC_DEFAULT[@:>@])],
+    [p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_static=yes ;;
+    no) enable_static=no ;;
+    *)
+     enable_static=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+      for pkg in $enableval; do
+	IFS="$lt_save_ifs"
+	if test "X$pkg" = "X$p"; then
+	  enable_static=yes
+	fi
+      done
+      IFS="$lt_save_ifs"
+      ;;
+    esac],
+    [enable_static=]AC_ENABLE_STATIC_DEFAULT)
+])# AC_ENABLE_STATIC
+
+
+# AC_DISABLE_STATIC
+# -----------------
+# set the default static flag to --disable-static
+AC_DEFUN([AC_DISABLE_STATIC],
+[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
+AC_ENABLE_STATIC(no)
+])# AC_DISABLE_STATIC
+
+
+# AC_ENABLE_FAST_INSTALL([DEFAULT])
+# ---------------------------------
+# implement the --enable-fast-install flag
+# DEFAULT is either `yes' or `no'.  If omitted, it defaults to `yes'.
+AC_DEFUN([AC_ENABLE_FAST_INSTALL],
+[define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
+AC_ARG_ENABLE([fast-install],
+    [AC_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@],
+    [optimize for fast installation @<:@default=]AC_ENABLE_FAST_INSTALL_DEFAULT[@:>@])],
+    [p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_fast_install=yes ;;
+    no) enable_fast_install=no ;;
+    *)
+      enable_fast_install=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+      for pkg in $enableval; do
+	IFS="$lt_save_ifs"
+	if test "X$pkg" = "X$p"; then
+	  enable_fast_install=yes
+	fi
+      done
+      IFS="$lt_save_ifs"
+      ;;
+    esac],
+    [enable_fast_install=]AC_ENABLE_FAST_INSTALL_DEFAULT)
+])# AC_ENABLE_FAST_INSTALL
+
+
+# AC_DISABLE_FAST_INSTALL
+# -----------------------
+# set the default to --disable-fast-install
+AC_DEFUN([AC_DISABLE_FAST_INSTALL],
+[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
+AC_ENABLE_FAST_INSTALL(no)
+])# AC_DISABLE_FAST_INSTALL
+
+
+# AC_LIBTOOL_PICMODE([MODE])
+# --------------------------
+# implement the --with-pic flag
+# MODE is either `yes' or `no'.  If omitted, it defaults to `both'.
+AC_DEFUN([AC_LIBTOOL_PICMODE],
+[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
+pic_mode=ifelse($#,1,$1,default)
+])# AC_LIBTOOL_PICMODE
+
+
+# AC_PROG_EGREP
+# -------------
+# This is predefined starting with Autoconf 2.54, so this conditional
+# definition can be removed once we require Autoconf 2.54 or later.
+m4_ifndef([AC_PROG_EGREP], [AC_DEFUN([AC_PROG_EGREP],
+[AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
+   [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
+    then ac_cv_prog_egrep='grep -E'
+    else ac_cv_prog_egrep='egrep'
+    fi])
+ EGREP=$ac_cv_prog_egrep
+ AC_SUBST([EGREP])
+])])
+
+
+# AC_PATH_TOOL_PREFIX
+# -------------------
+# find a file program which can recognize shared library
+AC_DEFUN([AC_PATH_TOOL_PREFIX],
+[AC_REQUIRE([AC_PROG_EGREP])dnl
+AC_MSG_CHECKING([for $1])
+AC_CACHE_VAL(lt_cv_path_MAGIC_CMD,
+[case $MAGIC_CMD in
+[[\\/*] |  ?:[\\/]*])
+  lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path.
+  ;;
+*)
+  lt_save_MAGIC_CMD="$MAGIC_CMD"
+  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+dnl $ac_dummy forces splitting on constant user-supplied paths.
+dnl POSIX.2 word splitting is done only on the output of word expansions,
+dnl not every word.  This closes a longstanding sh security hole.
+  ac_dummy="ifelse([$2], , $PATH, [$2])"
+  for ac_dir in $ac_dummy; do
+    IFS="$lt_save_ifs"
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$1; then
+      lt_cv_path_MAGIC_CMD="$ac_dir/$1"
+      if test -n "$file_magic_test_file"; then
+	case $deplibs_check_method in
+	"file_magic "*)
+	  file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"`
+	  MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+	  if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
+	    $EGREP "$file_magic_regex" > /dev/null; then
+	    :
+	  else
+	    cat <<EOF 1>&2
+
+*** Warning: the command libtool uses to detect shared libraries,
+*** $file_magic_cmd, produces output that libtool cannot recognize.
+*** The result is that libtool may fail to recognize shared libraries
+*** as such.  This will affect the creation of libtool libraries that
+*** depend on shared libraries, but programs linked with such libtool
+*** libraries will work regardless of this problem.  Nevertheless, you
+*** may want to report the problem to your system manager and/or to
+*** bug-libtool@gnu.org
+
+EOF
+	  fi ;;
+	esac
+      fi
+      break
+    fi
+  done
+  IFS="$lt_save_ifs"
+  MAGIC_CMD="$lt_save_MAGIC_CMD"
+  ;;
+esac])
+MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+if test -n "$MAGIC_CMD"; then
+  AC_MSG_RESULT($MAGIC_CMD)
+else
+  AC_MSG_RESULT(no)
+fi
+])# AC_PATH_TOOL_PREFIX
+
+
+# AC_PATH_MAGIC
+# -------------
+# find a file program which can recognize a shared library
+AC_DEFUN([AC_PATH_MAGIC],
+[AC_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin$PATH_SEPARATOR$PATH)
+if test -z "$lt_cv_path_MAGIC_CMD"; then
+  if test -n "$ac_tool_prefix"; then
+    AC_PATH_TOOL_PREFIX(file, /usr/bin$PATH_SEPARATOR$PATH)
+  else
+    MAGIC_CMD=:
+  fi
+fi
+])# AC_PATH_MAGIC
+
+
+# AC_PROG_LD
+# ----------
+# find the pathname to the GNU or non-GNU linker
+AC_DEFUN([AC_PROG_LD],
+[AC_ARG_WITH([gnu-ld],
+    [AC_HELP_STRING([--with-gnu-ld],
+	[assume the C compiler uses GNU ld @<:@default=no@:>@])],
+    [test "$withval" = no || with_gnu_ld=yes],
+    [with_gnu_ld=no])
+AC_REQUIRE([LT_AC_PROG_SED])dnl
+AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_CANONICAL_BUILD])dnl
+ac_prog=ld
+if test "$GCC" = yes; then
+  # Check if gcc -print-prog-name=ld gives a path.
+  AC_MSG_CHECKING([for ld used by $CC])
+  case $host in
+  *-*-mingw*)
+    # gcc leaves a trailing carriage return which upsets mingw
+    ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
+  *)
+    ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
+  esac
+  case $ac_prog in
+    # Accept absolute paths.
+    [[\\/]]* | ?:[[\\/]]*)
+      re_direlt='/[[^/]][[^/]]*/\.\./'
+      # Canonicalize the pathname of ld
+      ac_prog=`echo $ac_prog| $SED 's%\\\\%/%g'`
+      while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
+	ac_prog=`echo $ac_prog| $SED "s%$re_direlt%/%"`
+      done
+      test -z "$LD" && LD="$ac_prog"
+      ;;
+  "")
+    # If it fails, then pretend we aren't using GCC.
+    ac_prog=ld
+    ;;
+  *)
+    # If it is relative, then search for the first ld in PATH.
+    with_gnu_ld=unknown
+    ;;
+  esac
+elif test "$with_gnu_ld" = yes; then
+  AC_MSG_CHECKING([for GNU ld])
+else
+  AC_MSG_CHECKING([for non-GNU ld])
+fi
+AC_CACHE_VAL(lt_cv_path_LD,
+[if test -z "$LD"; then
+  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+  for ac_dir in $PATH; do
+    IFS="$lt_save_ifs"
+    test -z "$ac_dir" && ac_dir=.
+    if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
+      lt_cv_path_LD="$ac_dir/$ac_prog"
+      # Check to see if the program is GNU ld.  I'd rather use --version,
+      # but apparently some variants of GNU ld only accept -v.
+      # Break only if it was the GNU/non-GNU ld that we prefer.
+      case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in
+      *GNU* | *'with BFD'*)
+	test "$with_gnu_ld" != no && break
+	;;
+      *)
+	test "$with_gnu_ld" != yes && break
+	;;
+      esac
+    fi
+  done
+  IFS="$lt_save_ifs"
+else
+  lt_cv_path_LD="$LD" # Let the user override the test with a path.
+fi])
+LD="$lt_cv_path_LD"
+if test -n "$LD"; then
+  AC_MSG_RESULT($LD)
+else
+  AC_MSG_RESULT(no)
+fi
+test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
+AC_PROG_LD_GNU
+])# AC_PROG_LD
+
+
+# AC_PROG_LD_GNU
+# --------------
+AC_DEFUN([AC_PROG_LD_GNU],
+[AC_REQUIRE([AC_PROG_EGREP])dnl
+AC_CACHE_CHECK([if the linker ($LD) is GNU ld], lt_cv_prog_gnu_ld,
+[# I'd rather use --version here, but apparently some GNU lds only accept -v.
+case `$LD -v 2>&1 </dev/null` in
+*GNU* | *'with BFD'*)
+  lt_cv_prog_gnu_ld=yes
+  ;;
+*)
+  lt_cv_prog_gnu_ld=no
+  ;;
+esac])
+with_gnu_ld=$lt_cv_prog_gnu_ld
+])# AC_PROG_LD_GNU
+
+
+# AC_PROG_LD_RELOAD_FLAG
+# ----------------------
+# find reload flag for linker
+#   -- PORTME Some linkers may need a different reload flag.
+AC_DEFUN([AC_PROG_LD_RELOAD_FLAG],
+[AC_CACHE_CHECK([for $LD option to reload object files],
+  lt_cv_ld_reload_flag,
+  [lt_cv_ld_reload_flag='-r'])
+reload_flag=$lt_cv_ld_reload_flag
+case $reload_flag in
+"" | " "*) ;;
+*) reload_flag=" $reload_flag" ;;
+esac
+reload_cmds='$LD$reload_flag -o $output$reload_objs'
+case $host_os in
+  darwin*)
+    if test "$GCC" = yes; then
+      reload_cmds='$LTCC $LTCFLAGS -nostdlib ${wl}-r -o $output$reload_objs'
+    else
+      reload_cmds='$LD$reload_flag -o $output$reload_objs'
+    fi
+    ;;
+esac
+])# AC_PROG_LD_RELOAD_FLAG
+
+
+# AC_DEPLIBS_CHECK_METHOD
+# -----------------------
+# how to check for library dependencies
+#  -- PORTME fill in with the dynamic library characteristics
+AC_DEFUN([AC_DEPLIBS_CHECK_METHOD],
+[AC_CACHE_CHECK([how to recognize dependent libraries],
+lt_cv_deplibs_check_method,
+[lt_cv_file_magic_cmd='$MAGIC_CMD'
+lt_cv_file_magic_test_file=
+lt_cv_deplibs_check_method='unknown'
+# Need to set the preceding variable on all platforms that support
+# interlibrary dependencies.
+# 'none' -- dependencies not supported.
+# `unknown' -- same as none, but documents that we really don't know.
+# 'pass_all' -- all dependencies passed with no checks.
+# 'test_compile' -- check by making test program.
+# 'file_magic [[regex]]' -- check by looking for files in library path
+# which responds to the $file_magic_cmd with a given extended regex.
+# If you have `file' or equivalent on your system and you're not sure
+# whether `pass_all' will *always* work, you probably want this one.
+
+case $host_os in
+aix[[4-9]]*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+beos*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+bsdi[[45]]*)
+  lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib)'
+  lt_cv_file_magic_cmd='/usr/bin/file -L'
+  lt_cv_file_magic_test_file=/shlib/libc.so
+  ;;
+
+cygwin*)
+  # func_win32_libid is a shell function defined in ltmain.sh
+  lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
+  lt_cv_file_magic_cmd='func_win32_libid'
+  ;;
+
+mingw* | pw32*)
+  # Base MSYS/MinGW do not provide the 'file' command needed by
+  # func_win32_libid shell function, so use a weaker test based on 'objdump',
+  # unless we find 'file', for example because we are cross-compiling.
+  if ( file / ) >/dev/null 2>&1; then
+    lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
+    lt_cv_file_magic_cmd='func_win32_libid'
+  else
+    lt_cv_deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?'
+    lt_cv_file_magic_cmd='$OBJDUMP -f'
+  fi
+  ;;
+
+darwin* | rhapsody*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+freebsd* | dragonfly*)
+  if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
+    case $host_cpu in
+    i*86 )
+      # Not sure whether the presence of OpenBSD here was a mistake.
+      # Let's accept both of them until this is cleared up.
+      lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[[3-9]]86 (compact )?demand paged shared library'
+      lt_cv_file_magic_cmd=/usr/bin/file
+      lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
+      ;;
+    esac
+  else
+    lt_cv_deplibs_check_method=pass_all
+  fi
+  ;;
+
+gnu*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+hpux10.20* | hpux11*)
+  lt_cv_file_magic_cmd=/usr/bin/file
+  case $host_cpu in
+  ia64*)
+    lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|ELF-[[0-9]][[0-9]]) shared object file - IA64'
+    lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so
+    ;;
+  hppa*64*)
+    [lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - PA-RISC [0-9].[0-9]']
+    lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl
+    ;;
+  *)
+    lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|PA-RISC[[0-9]].[[0-9]]) shared library'
+    lt_cv_file_magic_test_file=/usr/lib/libc.sl
+    ;;
+  esac
+  ;;
+
+interix[[3-9]]*)
+  # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here
+  lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|\.a)$'
+  ;;
+
+irix5* | irix6* | nonstopux*)
+  case $LD in
+  *-32|*"-32 ") libmagic=32-bit;;
+  *-n32|*"-n32 ") libmagic=N32;;
+  *-64|*"-64 ") libmagic=64-bit;;
+  *) libmagic=never-match;;
+  esac
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+# This must be Linux ELF.
+linux* | k*bsd*-gnu)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+netbsd* | netbsdelf*-gnu)
+  if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
+    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$'
+  else
+    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|_pic\.a)$'
+  fi
+  ;;
+
+newos6*)
+  lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable|dynamic lib)'
+  lt_cv_file_magic_cmd=/usr/bin/file
+  lt_cv_file_magic_test_file=/usr/lib/libnls.so
+  ;;
+
+nto-qnx*)
+  lt_cv_deplibs_check_method=unknown
+  ;;
+
+openbsd*)
+  if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|\.so|_pic\.a)$'
+  else
+    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$'
+  fi
+  ;;
+
+osf3* | osf4* | osf5*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+rdos*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+solaris*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+sysv4 | sysv4.3*)
+  case $host_vendor in
+  motorola)
+    lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib) M[[0-9]][[0-9]]* Version [[0-9]]'
+    lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
+    ;;
+  ncr)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  sequent)
+    lt_cv_file_magic_cmd='/bin/file'
+    lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )'
+    ;;
+  sni)
+    lt_cv_file_magic_cmd='/bin/file'
+    lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib"
+    lt_cv_file_magic_test_file=/lib/libc.so
+    ;;
+  siemens)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  pc)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  esac
+  ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+esac
+])
+file_magic_cmd=$lt_cv_file_magic_cmd
+deplibs_check_method=$lt_cv_deplibs_check_method
+test -z "$deplibs_check_method" && deplibs_check_method=unknown
+])# AC_DEPLIBS_CHECK_METHOD
+
+
+# AC_PROG_NM
+# ----------
+# find the pathname to a BSD-compatible name lister
+AC_DEFUN([AC_PROG_NM],
+[AC_CACHE_CHECK([for BSD-compatible nm], lt_cv_path_NM,
+[if test -n "$NM"; then
+  # Let the user override the test.
+  lt_cv_path_NM="$NM"
+else
+  lt_nm_to_check="${ac_tool_prefix}nm"
+  if test -n "$ac_tool_prefix" && test "$build" = "$host"; then
+    lt_nm_to_check="$lt_nm_to_check nm"
+  fi
+  for lt_tmp_nm in $lt_nm_to_check; do
+    lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+    for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do
+      IFS="$lt_save_ifs"
+      test -z "$ac_dir" && ac_dir=.
+      tmp_nm="$ac_dir/$lt_tmp_nm"
+      if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then
+	# Check to see if the nm accepts a BSD-compat flag.
+	# Adding the `sed 1q' prevents false positives on HP-UX, which says:
+	#   nm: unknown option "B" ignored
+	# Tru64's nm complains that /dev/null is an invalid object file
+	case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in
+	*/dev/null* | *'Invalid file or object type'*)
+	  lt_cv_path_NM="$tmp_nm -B"
+	  break
+	  ;;
+	*)
+	  case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in
+	  */dev/null*)
+	    lt_cv_path_NM="$tmp_nm -p"
+	    break
+	    ;;
+	  *)
+	    lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
+	    continue # so that we can try to find one that supports BSD flags
+	    ;;
+	  esac
+	  ;;
+	esac
+      fi
+    done
+    IFS="$lt_save_ifs"
+  done
+  test -z "$lt_cv_path_NM" && lt_cv_path_NM=nm
+fi])
+NM="$lt_cv_path_NM"
+])# AC_PROG_NM
+
+
+# AC_CHECK_LIBM
+# -------------
+# check for math library
+AC_DEFUN([AC_CHECK_LIBM],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+LIBM=
+case $host in
+*-*-beos* | *-*-cygwin* | *-*-pw32* | *-*-darwin*)
+  # These system don't have libm, or don't need it
+  ;;
+*-ncr-sysv4.3*)
+  AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
+  AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm")
+  ;;
+*)
+  AC_CHECK_LIB(m, cos, LIBM="-lm")
+  ;;
+esac
+])# AC_CHECK_LIBM
+
+
+# AC_LIBLTDL_CONVENIENCE([DIRECTORY])
+# -----------------------------------
+# sets LIBLTDL to the link flags for the libltdl convenience library and
+# LTDLINCL to the include flags for the libltdl header and adds
+# --enable-ltdl-convenience to the configure arguments.  Note that
+# AC_CONFIG_SUBDIRS is not called here.  If DIRECTORY is not provided,
+# it is assumed to be `libltdl'.  LIBLTDL will be prefixed with
+# '${top_builddir}/' and LTDLINCL will be prefixed with '${top_srcdir}/'
+# (note the single quotes!).  If your package is not flat and you're not
+# using automake, define top_builddir and top_srcdir appropriately in
+# the Makefiles.
+AC_DEFUN([AC_LIBLTDL_CONVENIENCE],
+[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
+  case $enable_ltdl_convenience in
+  no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
+  "") enable_ltdl_convenience=yes
+      ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
+  esac
+  LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdlc.la
+  LTDLINCL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
+  # For backwards non-gettext consistent compatibility...
+  INCLTDL="$LTDLINCL"
+])# AC_LIBLTDL_CONVENIENCE
+
+
+# AC_LIBLTDL_INSTALLABLE([DIRECTORY])
+# -----------------------------------
+# sets LIBLTDL to the link flags for the libltdl installable library and
+# LTDLINCL to the include flags for the libltdl header and adds
+# --enable-ltdl-install to the configure arguments.  Note that
+# AC_CONFIG_SUBDIRS is not called here.  If DIRECTORY is not provided,
+# and an installed libltdl is not found, it is assumed to be `libltdl'.
+# LIBLTDL will be prefixed with '${top_builddir}/'# and LTDLINCL with
+# '${top_srcdir}/' (note the single quotes!).  If your package is not
+# flat and you're not using automake, define top_builddir and top_srcdir
+# appropriately in the Makefiles.
+# In the future, this macro may have to be called after AC_PROG_LIBTOOL.
+AC_DEFUN([AC_LIBLTDL_INSTALLABLE],
+[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
+  AC_CHECK_LIB(ltdl, lt_dlinit,
+  [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
+  [if test x"$enable_ltdl_install" = xno; then
+     AC_MSG_WARN([libltdl not installed, but installation disabled])
+   else
+     enable_ltdl_install=yes
+   fi
+  ])
+  if test x"$enable_ltdl_install" = x"yes"; then
+    ac_configure_args="$ac_configure_args --enable-ltdl-install"
+    LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdl.la
+    LTDLINCL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
+  else
+    ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
+    LIBLTDL="-lltdl"
+    LTDLINCL=
+  fi
+  # For backwards non-gettext consistent compatibility...
+  INCLTDL="$LTDLINCL"
+])# AC_LIBLTDL_INSTALLABLE
+
+
+# AC_LIBTOOL_CXX
+# --------------
+# enable support for C++ libraries
+AC_DEFUN([AC_LIBTOOL_CXX],
+[AC_REQUIRE([_LT_AC_LANG_CXX])
+])# AC_LIBTOOL_CXX
+
+
+# _LT_AC_LANG_CXX
+# ---------------
+AC_DEFUN([_LT_AC_LANG_CXX],
+[AC_REQUIRE([AC_PROG_CXX])
+AC_REQUIRE([_LT_AC_PROG_CXXCPP])
+_LT_AC_SHELL_INIT([tagnames=${tagnames+${tagnames},}CXX])
+])# _LT_AC_LANG_CXX
+
+# _LT_AC_PROG_CXXCPP
+# ------------------
+AC_DEFUN([_LT_AC_PROG_CXXCPP],
+[
+AC_REQUIRE([AC_PROG_CXX])
+if test -n "$CXX" && ( test "X$CXX" != "Xno" &&
+    ( (test "X$CXX" = "Xg++" && `g++ -v >/dev/null 2>&1` ) ||
+    (test "X$CXX" != "Xg++"))) ; then
+  AC_PROG_CXXCPP
+fi
+])# _LT_AC_PROG_CXXCPP
+
+# AC_LIBTOOL_F77
+# --------------
+# enable support for Fortran 77 libraries
+AC_DEFUN([AC_LIBTOOL_F77],
+[AC_REQUIRE([_LT_AC_LANG_F77])
+])# AC_LIBTOOL_F77
+
+
+# _LT_AC_LANG_F77
+# ---------------
+AC_DEFUN([_LT_AC_LANG_F77],
+[AC_REQUIRE([AC_PROG_F77])
+_LT_AC_SHELL_INIT([tagnames=${tagnames+${tagnames},}F77])
+])# _LT_AC_LANG_F77
+
+
+# AC_LIBTOOL_GCJ
+# --------------
+# enable support for GCJ libraries
+AC_DEFUN([AC_LIBTOOL_GCJ],
+[AC_REQUIRE([_LT_AC_LANG_GCJ])
+])# AC_LIBTOOL_GCJ
+
+
+# _LT_AC_LANG_GCJ
+# ---------------
+AC_DEFUN([_LT_AC_LANG_GCJ],
+[AC_PROVIDE_IFELSE([AC_PROG_GCJ],[],
+  [AC_PROVIDE_IFELSE([A][M_PROG_GCJ],[],
+    [AC_PROVIDE_IFELSE([LT_AC_PROG_GCJ],[],
+      [ifdef([AC_PROG_GCJ],[AC_REQUIRE([AC_PROG_GCJ])],
+	 [ifdef([A][M_PROG_GCJ],[AC_REQUIRE([A][M_PROG_GCJ])],
+	   [AC_REQUIRE([A][C_PROG_GCJ_OR_A][M_PROG_GCJ])])])])])])
+_LT_AC_SHELL_INIT([tagnames=${tagnames+${tagnames},}GCJ])
+])# _LT_AC_LANG_GCJ
+
+
+# AC_LIBTOOL_RC
+# -------------
+# enable support for Windows resource files
+AC_DEFUN([AC_LIBTOOL_RC],
+[AC_REQUIRE([LT_AC_PROG_RC])
+_LT_AC_SHELL_INIT([tagnames=${tagnames+${tagnames},}RC])
+])# AC_LIBTOOL_RC
+
+
+# AC_LIBTOOL_LANG_C_CONFIG
+# ------------------------
+# Ensure that the configuration vars for the C compiler are
+# suitably defined.  Those variables are subsequently used by
+# AC_LIBTOOL_CONFIG to write the compiler configuration to `libtool'.
+AC_DEFUN([AC_LIBTOOL_LANG_C_CONFIG], [_LT_AC_LANG_C_CONFIG])
+AC_DEFUN([_LT_AC_LANG_C_CONFIG],
+[lt_save_CC="$CC"
+AC_LANG_PUSH(C)
+
+# Source file extension for C test sources.
+ac_ext=c
+
+# Object file extension for compiled C test sources.
+objext=o
+_LT_AC_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="int some_variable = 0;"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='int main(){return(0);}'
+
+_LT_AC_SYS_COMPILER
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+## CAVEAT EMPTOR:
+## There is no encapsulation within the following macros, do not change
+## the running order or otherwise move them around unless you know exactly
+## what you are doing...
+AC_LIBTOOL_PROG_COMPILER_NO_RTTI($1)
+AC_LIBTOOL_PROG_COMPILER_PIC($1)
+AC_LIBTOOL_PROG_CC_C_O($1)
+AC_LIBTOOL_SYS_HARD_LINK_LOCKS($1)
+AC_LIBTOOL_PROG_LD_SHLIBS($1)
+AC_LIBTOOL_SYS_DYNAMIC_LINKER($1)
+AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH($1)
+AC_LIBTOOL_SYS_LIB_STRIP
+AC_LIBTOOL_DLOPEN_SELF
+
+# Report which library types will actually be built
+AC_MSG_CHECKING([if libtool supports shared libraries])
+AC_MSG_RESULT([$can_build_shared])
+
+AC_MSG_CHECKING([whether to build shared libraries])
+test "$can_build_shared" = "no" && enable_shared=no
+
+# On AIX, shared libraries and static libraries use the same namespace, and
+# are all built from PIC.
+case $host_os in
+aix3*)
+  test "$enable_shared" = yes && enable_static=no
+  if test -n "$RANLIB"; then
+    archive_cmds="$archive_cmds~\$RANLIB \$lib"
+    postinstall_cmds='$RANLIB $lib'
+  fi
+  ;;
+
+aix[[4-9]]*)
+  if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
+    test "$enable_shared" = yes && enable_static=no
+  fi
+    ;;
+esac
+AC_MSG_RESULT([$enable_shared])
+
+AC_MSG_CHECKING([whether to build static libraries])
+# Make sure either enable_shared or enable_static is yes.
+test "$enable_shared" = yes || enable_static=yes
+AC_MSG_RESULT([$enable_static])
+
+AC_LIBTOOL_CONFIG($1)
+
+AC_LANG_POP
+CC="$lt_save_CC"
+])# AC_LIBTOOL_LANG_C_CONFIG
+
+
+# AC_LIBTOOL_LANG_CXX_CONFIG
+# --------------------------
+# Ensure that the configuration vars for the C compiler are
+# suitably defined.  Those variables are subsequently used by
+# AC_LIBTOOL_CONFIG to write the compiler configuration to `libtool'.
+AC_DEFUN([AC_LIBTOOL_LANG_CXX_CONFIG], [_LT_AC_LANG_CXX_CONFIG(CXX)])
+AC_DEFUN([_LT_AC_LANG_CXX_CONFIG],
+[AC_LANG_PUSH(C++)
+AC_REQUIRE([AC_PROG_CXX])
+AC_REQUIRE([_LT_AC_PROG_CXXCPP])
+
+_LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
+_LT_AC_TAGVAR(allow_undefined_flag, $1)=
+_LT_AC_TAGVAR(always_export_symbols, $1)=no
+_LT_AC_TAGVAR(archive_expsym_cmds, $1)=
+_LT_AC_TAGVAR(export_dynamic_flag_spec, $1)=
+_LT_AC_TAGVAR(hardcode_direct, $1)=no
+_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)=
+_LT_AC_TAGVAR(hardcode_libdir_flag_spec_ld, $1)=
+_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=
+_LT_AC_TAGVAR(hardcode_minus_L, $1)=no
+_LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+_LT_AC_TAGVAR(hardcode_automatic, $1)=no
+_LT_AC_TAGVAR(module_cmds, $1)=
+_LT_AC_TAGVAR(module_expsym_cmds, $1)=
+_LT_AC_TAGVAR(link_all_deplibs, $1)=unknown
+_LT_AC_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_AC_TAGVAR(no_undefined_flag, $1)=
+_LT_AC_TAGVAR(whole_archive_flag_spec, $1)=
+_LT_AC_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+
+# Dependencies to place before and after the object being linked:
+_LT_AC_TAGVAR(predep_objects, $1)=
+_LT_AC_TAGVAR(postdep_objects, $1)=
+_LT_AC_TAGVAR(predeps, $1)=
+_LT_AC_TAGVAR(postdeps, $1)=
+_LT_AC_TAGVAR(compiler_lib_search_path, $1)=
+_LT_AC_TAGVAR(compiler_lib_search_dirs, $1)=
+
+# Source file extension for C++ test sources.
+ac_ext=cpp
+
+# Object file extension for compiled C++ test sources.
+objext=o
+_LT_AC_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="int some_variable = 0;"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='int main(int, char *[[]]) { return(0); }'
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+_LT_AC_SYS_COMPILER
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+# Allow CC to be a program name with arguments.
+lt_save_CC=$CC
+lt_save_LD=$LD
+lt_save_GCC=$GCC
+GCC=$GXX
+lt_save_with_gnu_ld=$with_gnu_ld
+lt_save_path_LD=$lt_cv_path_LD
+if test -n "${lt_cv_prog_gnu_ldcxx+set}"; then
+  lt_cv_prog_gnu_ld=$lt_cv_prog_gnu_ldcxx
+else
+  $as_unset lt_cv_prog_gnu_ld
+fi
+if test -n "${lt_cv_path_LDCXX+set}"; then
+  lt_cv_path_LD=$lt_cv_path_LDCXX
+else
+  $as_unset lt_cv_path_LD
+fi
+test -z "${LDCXX+set}" || LD=$LDCXX
+CC=${CXX-"c++"}
+compiler=$CC
+_LT_AC_TAGVAR(compiler, $1)=$CC
+_LT_CC_BASENAME([$compiler])
+
+# We don't want -fno-exception wen compiling C++ code, so set the
+# no_builtin_flag separately
+if test "$GXX" = yes; then
+  _LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin'
+else
+  _LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=
+fi
+
+if test "$GXX" = yes; then
+  # Set up default GNU C++ configuration
+
+  AC_PROG_LD
+
+  # Check if GNU C++ uses GNU ld as the underlying linker, since the
+  # archiving commands below assume that GNU ld is being used.
+  if test "$with_gnu_ld" = yes; then
+    _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
+    _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+
+    _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath ${wl}$libdir'
+    _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
+
+    # If archive_cmds runs LD, not CC, wlarc should be empty
+    # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to
+    #     investigate it a little bit more. (MM)
+    wlarc='${wl}'
+
+    # ancient GNU ld didn't support --whole-archive et. al.
+    if eval "`$CC -print-prog-name=ld` --help 2>&1" | \
+	grep 'no-whole-archive' > /dev/null; then
+      _LT_AC_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
+    else
+      _LT_AC_TAGVAR(whole_archive_flag_spec, $1)=
+    fi
+  else
+    with_gnu_ld=no
+    wlarc=
+
+    # A generic and very simple default shared library creation
+    # command for GNU C++ for the case where it uses the native
+    # linker, instead of GNU ld.  If possible, this setting should
+    # overridden to take advantage of the native linker features on
+    # the platform it is being used on.
+    _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
+  fi
+
+  # Commands to make compiler produce verbose output that lists
+  # what "hidden" libraries, object files and flags are used when
+  # linking a shared library.
+  output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "\-L"'
+
+else
+  GXX=no
+  with_gnu_ld=no
+  wlarc=
+fi
+
+# PORTME: fill in a description of your system's C++ link characteristics
+AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries])
+_LT_AC_TAGVAR(ld_shlibs, $1)=yes
+case $host_os in
+  aix3*)
+    # FIXME: insert proper C++ library support
+    _LT_AC_TAGVAR(ld_shlibs, $1)=no
+    ;;
+  aix[[4-9]]*)
+    if test "$host_cpu" = ia64; then
+      # On IA64, the linker does run time linking by default, so we don't
+      # have to do anything special.
+      aix_use_runtimelinking=no
+      exp_sym_flag='-Bexport'
+      no_entry_flag=""
+    else
+      aix_use_runtimelinking=no
+
+      # Test if we are trying to use run time linking or normal
+      # AIX style linking. If -brtl is somewhere in LDFLAGS, we
+      # need to do runtime linking.
+      case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*)
+	for ld_flag in $LDFLAGS; do
+	  case $ld_flag in
+	  *-brtl*)
+	    aix_use_runtimelinking=yes
+	    break
+	    ;;
+	  esac
+	done
+	;;
+      esac
+
+      exp_sym_flag='-bexport'
+      no_entry_flag='-bnoentry'
+    fi
+
+    # When large executables or shared objects are built, AIX ld can
+    # have problems creating the table of contents.  If linking a library
+    # or program results in "error TOC overflow" add -mminimal-toc to
+    # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
+    # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
+
+    _LT_AC_TAGVAR(archive_cmds, $1)=''
+    _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+    _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=':'
+    _LT_AC_TAGVAR(link_all_deplibs, $1)=yes
+
+    if test "$GXX" = yes; then
+      case $host_os in aix4.[[012]]|aix4.[[012]].*)
+      # We only want to do this on AIX 4.2 and lower, the check
+      # below for broken collect2 doesn't work under 4.3+
+	collect2name=`${CC} -print-prog-name=collect2`
+	if test -f "$collect2name" && \
+	   strings "$collect2name" | grep resolve_lib_name >/dev/null
+	then
+	  # We have reworked collect2
+	  :
+	else
+	  # We have old collect2
+	  _LT_AC_TAGVAR(hardcode_direct, $1)=unsupported
+	  # It fails to find uninstalled libraries when the uninstalled
+	  # path is not listed in the libpath.  Setting hardcode_minus_L
+	  # to unsupported forces relinking
+	  _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
+	  _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+	  _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=
+	fi
+	;;
+      esac
+      shared_flag='-shared'
+      if test "$aix_use_runtimelinking" = yes; then
+	shared_flag="$shared_flag "'${wl}-G'
+      fi
+    else
+      # not using gcc
+      if test "$host_cpu" = ia64; then
+	# VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
+	# chokes on -Wl,-G. The following line is correct:
+	shared_flag='-G'
+      else
+	if test "$aix_use_runtimelinking" = yes; then
+	  shared_flag='${wl}-G'
+	else
+	  shared_flag='${wl}-bM:SRE'
+	fi
+      fi
+    fi
+
+    # It seems that -bexpall does not export symbols beginning with
+    # underscore (_), so it is better to generate a list of symbols to export.
+    _LT_AC_TAGVAR(always_export_symbols, $1)=yes
+    if test "$aix_use_runtimelinking" = yes; then
+      # Warning - without using the other runtime loading flags (-brtl),
+      # -berok will link without error, but may produce a broken library.
+      _LT_AC_TAGVAR(allow_undefined_flag, $1)='-berok'
+      # Determine the default libpath from the value encoded in an empty executable.
+      _LT_AC_SYS_LIBPATH_AIX
+      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
+
+      _LT_AC_TAGVAR(archive_expsym_cmds, $1)="\$CC"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then echo "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag"
+     else
+      if test "$host_cpu" = ia64; then
+	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $libdir:/usr/lib:/lib'
+	_LT_AC_TAGVAR(allow_undefined_flag, $1)="-z nodefs"
+	_LT_AC_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols"
+      else
+	# Determine the default libpath from the value encoded in an empty executable.
+	_LT_AC_SYS_LIBPATH_AIX
+	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
+	# Warning - without using the other run time loading flags,
+	# -berok will link without error, but may produce a broken library.
+	_LT_AC_TAGVAR(no_undefined_flag, $1)=' ${wl}-bernotok'
+	_LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-berok'
+	# Exported symbols can be pulled into shared objects from archives
+	_LT_AC_TAGVAR(whole_archive_flag_spec, $1)='$convenience'
+	_LT_AC_TAGVAR(archive_cmds_need_lc, $1)=yes
+	# This is similar to how AIX traditionally builds its shared libraries.
+	_LT_AC_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
+      fi
+    fi
+    ;;
+
+  beos*)
+    if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+      _LT_AC_TAGVAR(allow_undefined_flag, $1)=unsupported
+      # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
+      # support --undefined.  This deserves some investigation.  FIXME
+      _LT_AC_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+    else
+      _LT_AC_TAGVAR(ld_shlibs, $1)=no
+    fi
+    ;;
+
+  chorus*)
+    case $cc_basename in
+      *)
+	# FIXME: insert proper C++ library support
+	_LT_AC_TAGVAR(ld_shlibs, $1)=no
+	;;
+    esac
+    ;;
+
+  cygwin* | mingw* | pw32*)
+    # _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless,
+    # as there is no search path for DLLs.
+    _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+    _LT_AC_TAGVAR(allow_undefined_flag, $1)=unsupported
+    _LT_AC_TAGVAR(always_export_symbols, $1)=no
+    _LT_AC_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+
+    if $LD --help 2>&1 | grep 'auto-import' > /dev/null; then
+      _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+      # If the export-symbols file already is a .def file (1st line
+      # is EXPORTS), use it as is; otherwise, prepend...
+      _LT_AC_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
+	cp $export_symbols $output_objdir/$soname.def;
+      else
+	echo EXPORTS > $output_objdir/$soname.def;
+	cat $export_symbols >> $output_objdir/$soname.def;
+      fi~
+      $CC -shared -nostdlib $output_objdir/$soname.def $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+    else
+      _LT_AC_TAGVAR(ld_shlibs, $1)=no
+    fi
+  ;;
+      darwin* | rhapsody*)
+      _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
+      _LT_AC_TAGVAR(hardcode_direct, $1)=no
+      _LT_AC_TAGVAR(hardcode_automatic, $1)=yes
+      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+      _LT_AC_TAGVAR(whole_archive_flag_spec, $1)=''
+      _LT_AC_TAGVAR(link_all_deplibs, $1)=yes
+      _LT_AC_TAGVAR(allow_undefined_flag, $1)="$_lt_dar_allow_undefined"
+      if test "$GXX" = yes ; then
+      output_verbose_link_cmd='echo'
+      _LT_AC_TAGVAR(archive_cmds, $1)="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}"
+      _LT_AC_TAGVAR(module_cmds, $1)="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}"
+      _LT_AC_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}"
+      _LT_AC_TAGVAR(module_expsym_cmds, $1)="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}"
+      if test "$lt_cv_apple_cc_single_mod" != "yes"; then
+        _LT_AC_TAGVAR(archive_cmds, $1)="\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dsymutil}"
+        _LT_AC_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dar_export_syms}${_lt_dsymutil}"
+      fi
+      else
+      case $cc_basename in
+        xlc*)
+         output_verbose_link_cmd='echo'
+          _LT_AC_TAGVAR(archive_cmds, $1)='$CC -qmkshrobj ${wl}-single_module $allow_undefined_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-install_name ${wl}`echo $rpath/$soname` $xlcverstring'
+          _LT_AC_TAGVAR(module_cmds, $1)='$CC $allow_undefined_flag -o $lib -bundle $libobjs $deplibs$compiler_flags'
+          # Don't fix this by using the ld -exported_symbols_list flag, it doesn't exist in older darwin lds
+          _LT_AC_TAGVAR(archive_expsym_cmds, $1)='sed -e "s,#.*,," -e "s,^[    ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC -qmkshrobj ${wl}-single_module $allow_undefined_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-install_name ${wl}$rpath/$soname $xlcverstring~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}'
+          _LT_AC_TAGVAR(module_expsym_cmds, $1)='sed -e "s,#.*,," -e "s,^[    ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC $allow_undefined_flag  -o $lib -bundle $libobjs $deplibs$compiler_flags~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}'
+          ;;
+       *)
+         _LT_AC_TAGVAR(ld_shlibs, $1)=no
+          ;;
+      esac
+      fi
+        ;;
+
+  dgux*)
+    case $cc_basename in
+      ec++*)
+	# FIXME: insert proper C++ library support
+	_LT_AC_TAGVAR(ld_shlibs, $1)=no
+	;;
+      ghcx*)
+	# Green Hills C++ Compiler
+	# FIXME: insert proper C++ library support
+	_LT_AC_TAGVAR(ld_shlibs, $1)=no
+	;;
+      *)
+	# FIXME: insert proper C++ library support
+	_LT_AC_TAGVAR(ld_shlibs, $1)=no
+	;;
+    esac
+    ;;
+  freebsd[[12]]*)
+    # C++ shared libraries reported to be fairly broken before switch to ELF
+    _LT_AC_TAGVAR(ld_shlibs, $1)=no
+    ;;
+  freebsd-elf*)
+    _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
+    ;;
+  freebsd* | dragonfly*)
+    # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF
+    # conventions
+    _LT_AC_TAGVAR(ld_shlibs, $1)=yes
+    ;;
+  gnu*)
+    ;;
+  hpux9*)
+    _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
+    _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+    _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+    _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+    _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH,
+				# but as the default
+				# location of the library.
+
+    case $cc_basename in
+    CC*)
+      # FIXME: insert proper C++ library support
+      _LT_AC_TAGVAR(ld_shlibs, $1)=no
+      ;;
+    aCC*)
+      _LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/$soname~$CC -b ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+      # Commands to make compiler produce verbose output that lists
+      # what "hidden" libraries, object files and flags are used when
+      # linking a shared library.
+      #
+      # There doesn't appear to be a way to prevent this compiler from
+      # explicitly linking system object files so we need to strip them
+      # from the output so that they don't get included in the library
+      # dependencies.
+      output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | grep "[[-]]L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
+      ;;
+    *)
+      if test "$GXX" = yes; then
+        _LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/$soname~$CC -shared -nostdlib -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+      else
+        # FIXME: insert proper C++ library support
+        _LT_AC_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+    esac
+    ;;
+  hpux10*|hpux11*)
+    if test $with_gnu_ld = no; then
+      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
+      _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+
+      case $host_cpu in
+      hppa*64*|ia64*) ;;
+      *)
+	_LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+        ;;
+      esac
+    fi
+    case $host_cpu in
+    hppa*64*|ia64*)
+      _LT_AC_TAGVAR(hardcode_direct, $1)=no
+      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+    *)
+      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+      _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH,
+					      # but as the default
+					      # location of the library.
+      ;;
+    esac
+
+    case $cc_basename in
+      CC*)
+	# FIXME: insert proper C++ library support
+	_LT_AC_TAGVAR(ld_shlibs, $1)=no
+	;;
+      aCC*)
+	case $host_cpu in
+	hppa*64*)
+	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	  ;;
+	ia64*)
+	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	  ;;
+	*)
+	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	  ;;
+	esac
+	# Commands to make compiler produce verbose output that lists
+	# what "hidden" libraries, object files and flags are used when
+	# linking a shared library.
+	#
+	# There doesn't appear to be a way to prevent this compiler from
+	# explicitly linking system object files so we need to strip them
+	# from the output so that they don't get included in the library
+	# dependencies.
+	output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | grep "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
+	;;
+      *)
+	if test "$GXX" = yes; then
+	  if test $with_gnu_ld = no; then
+	    case $host_cpu in
+	    hppa*64*)
+	      _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	      ;;
+	    ia64*)
+	      _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	      ;;
+	    *)
+	      _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	      ;;
+	    esac
+	  fi
+	else
+	  # FIXME: insert proper C++ library support
+	  _LT_AC_TAGVAR(ld_shlibs, $1)=no
+	fi
+	;;
+    esac
+    ;;
+  interix[[3-9]]*)
+    _LT_AC_TAGVAR(hardcode_direct, $1)=no
+    _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+    _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+    _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+    # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+    # Instead, shared libraries are loaded at an image base (0x10000000 by
+    # default) and relocated if they conflict, which is a slow very memory
+    # consuming and fragmenting process.  To avoid this, we pick a random,
+    # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+    # time.  Moving up from 0x10000000 also allows more sbrk(2) space.
+    _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+    _LT_AC_TAGVAR(archive_expsym_cmds, $1)='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+    ;;
+  irix5* | irix6*)
+    case $cc_basename in
+      CC*)
+	# SGI C++
+	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
+
+	# Archives containing C++ object files must be created using
+	# "CC -ar", where "CC" is the IRIX C++ compiler.  This is
+	# necessary to make sure instantiated templates are included
+	# in the archive.
+	_LT_AC_TAGVAR(old_archive_cmds, $1)='$CC -ar -WR,-u -o $oldlib $oldobjs'
+	;;
+      *)
+	if test "$GXX" = yes; then
+	  if test "$with_gnu_ld" = no; then
+	    _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+	  else
+	    _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` -o $lib'
+	  fi
+	fi
+	_LT_AC_TAGVAR(link_all_deplibs, $1)=yes
+	;;
+    esac
+    _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+    _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+    ;;
+  linux* | k*bsd*-gnu)
+    case $cc_basename in
+      KCC*)
+	# Kuck and Associates, Inc. (KAI) C++ Compiler
+
+	# KCC will only create a shared library if the output file
+	# ends with ".so" (or ".sl" for HP-UX), so rename the library
+	# to its proper name (with version) after linking.
+	_LT_AC_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
+	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib ${wl}-retain-symbols-file,$export_symbols; mv \$templib $lib'
+	# Commands to make compiler produce verbose output that lists
+	# what "hidden" libraries, object files and flags are used when
+	# linking a shared library.
+	#
+	# There doesn't appear to be a way to prevent this compiler from
+	# explicitly linking system object files so we need to strip them
+	# from the output so that they don't get included in the library
+	# dependencies.
+	output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | grep "ld"`; rm -f libconftest$shared_ext; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
+
+	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath,$libdir'
+	_LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
+
+	# Archives containing C++ object files must be created using
+	# "CC -Bstatic", where "CC" is the KAI C++ compiler.
+	_LT_AC_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs'
+	;;
+      icpc*)
+	# Intel C++
+	with_gnu_ld=yes
+	# version 8.0 and above of icpc choke on multiply defined symbols
+	# if we add $predep_objects and $postdep_objects, however 7.1 and
+	# earlier do not add the objects themselves.
+	case `$CC -V 2>&1` in
+	*"Version 7."*)
+  	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
+  	  _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+	  ;;
+	*)  # Version 8.0 or newer
+	  tmp_idyn=
+	  case $host_cpu in
+	    ia64*) tmp_idyn=' -i_dynamic';;
+	  esac
+  	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	  _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+	  ;;
+	esac
+	_LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
+	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+	_LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
+	_LT_AC_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive$convenience ${wl}--no-whole-archive'
+	;;
+      pgCC* | pgcpp*)
+        # Portland Group C++ compiler
+	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib'
+  	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib'
+
+	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath ${wl}$libdir'
+	_LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
+	_LT_AC_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $echo \"$new_convenience\"` ${wl}--no-whole-archive'
+        ;;
+      cxx*)
+	# Compaq C++
+	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname  -o $lib ${wl}-retain-symbols-file $wl$export_symbols'
+
+	runpath_var=LD_RUN_PATH
+	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
+	_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	# Commands to make compiler produce verbose output that lists
+	# what "hidden" libraries, object files and flags are used when
+	# linking a shared library.
+	#
+	# There doesn't appear to be a way to prevent this compiler from
+	# explicitly linking system object files so we need to strip them
+	# from the output so that they don't get included in the library
+	# dependencies.
+	output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld"`; templist=`echo $templist | $SED "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
+	;;
+      *)
+	case `$CC -V 2>&1 | sed 5q` in
+	*Sun\ C*)
+	  # Sun C++ 5.9
+	  _LT_AC_TAGVAR(no_undefined_flag, $1)=' -zdefs'
+	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	  _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file ${wl}$export_symbols'
+	  _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+	  _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; $echo \"$new_convenience\"` ${wl}--no-whole-archive'
+
+	  # Not sure whether something based on
+	  # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1
+	  # would be better.
+	  output_verbose_link_cmd='echo'
+
+	  # Archives containing C++ object files must be created using
+	  # "CC -xar", where "CC" is the Sun C++ compiler.  This is
+	  # necessary to make sure instantiated templates are included
+	  # in the archive.
+	  _LT_AC_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs'
+	  ;;
+	esac
+	;;
+    esac
+    ;;
+  lynxos*)
+    # FIXME: insert proper C++ library support
+    _LT_AC_TAGVAR(ld_shlibs, $1)=no
+    ;;
+  m88k*)
+    # FIXME: insert proper C++ library support
+    _LT_AC_TAGVAR(ld_shlibs, $1)=no
+    ;;
+  mvs*)
+    case $cc_basename in
+      cxx*)
+	# FIXME: insert proper C++ library support
+	_LT_AC_TAGVAR(ld_shlibs, $1)=no
+	;;
+      *)
+	# FIXME: insert proper C++ library support
+	_LT_AC_TAGVAR(ld_shlibs, $1)=no
+	;;
+    esac
+    ;;
+  netbsd* | netbsdelf*-gnu)
+    if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
+      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -Bshareable  -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags'
+      wlarc=
+      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+    fi
+    # Workaround some broken pre-1.5 toolchains
+    output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep conftest.$objext | $SED -e "s:-lgcc -lc -lgcc::"'
+    ;;
+  openbsd2*)
+    # C++ shared libraries are fairly broken
+    _LT_AC_TAGVAR(ld_shlibs, $1)=no
+    ;;
+  openbsd*)
+    if test -f /usr/libexec/ld.so; then
+      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+      _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
+      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+      if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file,$export_symbols -o $lib'
+	_LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+	_LT_AC_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
+      fi
+      output_verbose_link_cmd='echo'
+    else
+      _LT_AC_TAGVAR(ld_shlibs, $1)=no
+    fi
+    ;;
+  osf3*)
+    case $cc_basename in
+      KCC*)
+	# Kuck and Associates, Inc. (KAI) C++ Compiler
+
+	# KCC will only create a shared library if the output file
+	# ends with ".so" (or ".sl" for HP-UX), so rename the library
+	# to its proper name (with version) after linking.
+	_LT_AC_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
+
+	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+	_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	# Archives containing C++ object files must be created using
+	# "CC -Bstatic", where "CC" is the KAI C++ compiler.
+	_LT_AC_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs'
+
+	;;
+      RCC*)
+	# Rational C++ 2.4.1
+	# FIXME: insert proper C++ library support
+	_LT_AC_TAGVAR(ld_shlibs, $1)=no
+	;;
+      cxx*)
+	_LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
+	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $soname `test -n "$verstring" && echo ${wl}-set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
+
+	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+	_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	# Commands to make compiler produce verbose output that lists
+	# what "hidden" libraries, object files and flags are used when
+	# linking a shared library.
+	#
+	# There doesn't appear to be a way to prevent this compiler from
+	# explicitly linking system object files so we need to strip them
+	# from the output so that they don't get included in the library
+	# dependencies.
+	output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld" | grep -v "ld:"`; templist=`echo $templist | $SED "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
+	;;
+      *)
+	if test "$GXX" = yes && test "$with_gnu_ld" = no; then
+	  _LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
+	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+
+	  _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+	  _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	  # Commands to make compiler produce verbose output that lists
+	  # what "hidden" libraries, object files and flags are used when
+	  # linking a shared library.
+	  output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "\-L"'
+
+	else
+	  # FIXME: insert proper C++ library support
+	  _LT_AC_TAGVAR(ld_shlibs, $1)=no
+	fi
+	;;
+    esac
+    ;;
+  osf4* | osf5*)
+    case $cc_basename in
+      KCC*)
+	# Kuck and Associates, Inc. (KAI) C++ Compiler
+
+	# KCC will only create a shared library if the output file
+	# ends with ".so" (or ".sl" for HP-UX), so rename the library
+	# to its proper name (with version) after linking.
+	_LT_AC_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
+
+	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+	_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	# Archives containing C++ object files must be created using
+	# the KAI C++ compiler.
+	_LT_AC_TAGVAR(old_archive_cmds, $1)='$CC -o $oldlib $oldobjs'
+	;;
+      RCC*)
+	# Rational C++ 2.4.1
+	# FIXME: insert proper C++ library support
+	_LT_AC_TAGVAR(ld_shlibs, $1)=no
+	;;
+      cxx*)
+	_LT_AC_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
+	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
+	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~
+	  echo "-hidden">> $lib.exp~
+	  $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname -Wl,-input -Wl,$lib.exp  `test -n "$verstring" && echo -set_version	$verstring` -update_registry ${output_objdir}/so_locations -o $lib~
+	  $rm $lib.exp'
+
+	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
+	_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	# Commands to make compiler produce verbose output that lists
+	# what "hidden" libraries, object files and flags are used when
+	# linking a shared library.
+	#
+	# There doesn't appear to be a way to prevent this compiler from
+	# explicitly linking system object files so we need to strip them
+	# from the output so that they don't get included in the library
+	# dependencies.
+	output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld" | grep -v "ld:"`; templist=`echo $templist | $SED "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
+	;;
+      *)
+	if test "$GXX" = yes && test "$with_gnu_ld" = no; then
+	  _LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
+	 _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+
+	  _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+	  _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	  # Commands to make compiler produce verbose output that lists
+	  # what "hidden" libraries, object files and flags are used when
+	  # linking a shared library.
+	  output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "\-L"'
+
+	else
+	  # FIXME: insert proper C++ library support
+	  _LT_AC_TAGVAR(ld_shlibs, $1)=no
+	fi
+	;;
+    esac
+    ;;
+  psos*)
+    # FIXME: insert proper C++ library support
+    _LT_AC_TAGVAR(ld_shlibs, $1)=no
+    ;;
+  sunos4*)
+    case $cc_basename in
+      CC*)
+	# Sun C++ 4.x
+	# FIXME: insert proper C++ library support
+	_LT_AC_TAGVAR(ld_shlibs, $1)=no
+	;;
+      lcc*)
+	# Lucid
+	# FIXME: insert proper C++ library support
+	_LT_AC_TAGVAR(ld_shlibs, $1)=no
+	;;
+      *)
+	# FIXME: insert proper C++ library support
+	_LT_AC_TAGVAR(ld_shlibs, $1)=no
+	;;
+    esac
+    ;;
+  solaris*)
+    case $cc_basename in
+      CC*)
+	# Sun C++ 4.2, 5.x and Centerline C++
+        _LT_AC_TAGVAR(archive_cmds_need_lc,$1)=yes
+	_LT_AC_TAGVAR(no_undefined_flag, $1)=' -zdefs'
+	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag}  -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
+	$CC -G${allow_undefined_flag}  ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp'
+
+	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+	_LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+	case $host_os in
+	  solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
+	  *)
+	    # The compiler driver will combine and reorder linker options,
+	    # but understands `-z linker_flag'.
+	    # Supported since Solaris 2.6 (maybe 2.5.1?)
+	    _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract'
+	    ;;
+	esac
+	_LT_AC_TAGVAR(link_all_deplibs, $1)=yes
+
+	output_verbose_link_cmd='echo'
+
+	# Archives containing C++ object files must be created using
+	# "CC -xar", where "CC" is the Sun C++ compiler.  This is
+	# necessary to make sure instantiated templates are included
+	# in the archive.
+	_LT_AC_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs'
+	;;
+      gcx*)
+	# Green Hills C++ Compiler
+	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
+
+	# The C++ compiler must be used to create the archive.
+	_LT_AC_TAGVAR(old_archive_cmds, $1)='$CC $LDFLAGS -archive -o $oldlib $oldobjs'
+	;;
+      *)
+	# GNU C++ compiler with Solaris linker
+	if test "$GXX" = yes && test "$with_gnu_ld" = no; then
+	  _LT_AC_TAGVAR(no_undefined_flag, $1)=' ${wl}-z ${wl}defs'
+	  if $CC --version | grep -v '^2\.7' > /dev/null; then
+	    _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
+	    _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
+		$CC -shared -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp'
+
+	    # Commands to make compiler produce verbose output that lists
+	    # what "hidden" libraries, object files and flags are used when
+	    # linking a shared library.
+	    output_verbose_link_cmd="$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep \"\-L\""
+	  else
+	    # g++ 2.7 appears to require `-G' NOT `-shared' on this
+	    # platform.
+	    _LT_AC_TAGVAR(archive_cmds, $1)='$CC -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
+	    _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
+		$CC -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp'
+
+	    # Commands to make compiler produce verbose output that lists
+	    # what "hidden" libraries, object files and flags are used when
+	    # linking a shared library.
+	    output_verbose_link_cmd="$CC -G $CFLAGS -v conftest.$objext 2>&1 | grep \"\-L\""
+	  fi
+
+	  _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $wl$libdir'
+	  case $host_os in
+	  solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
+	  *)
+	    _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
+	    ;;
+	  esac
+	fi
+	;;
+    esac
+    ;;
+  sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*)
+    _LT_AC_TAGVAR(no_undefined_flag, $1)='${wl}-z,text'
+    _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
+    _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+    runpath_var='LD_RUN_PATH'
+
+    case $cc_basename in
+      CC*)
+	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	;;
+      *)
+	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	;;
+    esac
+    ;;
+  sysv5* | sco3.2v5* | sco5v6*)
+    # Note: We can NOT use -z defs as we might desire, because we do not
+    # link with -lc, and that would cause any symbols used from libc to
+    # always be unresolved, which means just about no library would
+    # ever link correctly.  If we're not using GNU ld we use -z text
+    # though, which does catch some bad symbols but isn't as heavy-handed
+    # as -z defs.
+    # For security reasons, it is highly recommended that you always
+    # use absolute paths for naming shared libraries, and exclude the
+    # DT_RUNPATH tag from executables and libraries.  But doing so
+    # requires that you compile everything twice, which is a pain.
+    # So that behaviour is only enabled if SCOABSPATH is set to a
+    # non-empty value in the environment.  Most likely only useful for
+    # creating official distributions of packages.
+    # This is a hack until libtool officially supports absolute path
+    # names for shared libraries.
+    _LT_AC_TAGVAR(no_undefined_flag, $1)='${wl}-z,text'
+    _LT_AC_TAGVAR(allow_undefined_flag, $1)='${wl}-z,nodefs'
+    _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
+    _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+    _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='`test -z "$SCOABSPATH" && echo ${wl}-R,$libdir`'
+    _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=':'
+    _LT_AC_TAGVAR(link_all_deplibs, $1)=yes
+    _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Bexport'
+    runpath_var='LD_RUN_PATH'
+
+    case $cc_basename in
+      CC*)
+	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	;;
+      *)
+	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	;;
+    esac
+    ;;
+  tandem*)
+    case $cc_basename in
+      NCC*)
+	# NonStop-UX NCC 3.20
+	# FIXME: insert proper C++ library support
+	_LT_AC_TAGVAR(ld_shlibs, $1)=no
+	;;
+      *)
+	# FIXME: insert proper C++ library support
+	_LT_AC_TAGVAR(ld_shlibs, $1)=no
+	;;
+    esac
+    ;;
+  vxworks*)
+    # FIXME: insert proper C++ library support
+    _LT_AC_TAGVAR(ld_shlibs, $1)=no
+    ;;
+  *)
+    # FIXME: insert proper C++ library support
+    _LT_AC_TAGVAR(ld_shlibs, $1)=no
+    ;;
+esac
+AC_MSG_RESULT([$_LT_AC_TAGVAR(ld_shlibs, $1)])
+test "$_LT_AC_TAGVAR(ld_shlibs, $1)" = no && can_build_shared=no
+
+_LT_AC_TAGVAR(GCC, $1)="$GXX"
+_LT_AC_TAGVAR(LD, $1)="$LD"
+
+## CAVEAT EMPTOR:
+## There is no encapsulation within the following macros, do not change
+## the running order or otherwise move them around unless you know exactly
+## what you are doing...
+AC_LIBTOOL_POSTDEP_PREDEP($1)
+AC_LIBTOOL_PROG_COMPILER_PIC($1)
+AC_LIBTOOL_PROG_CC_C_O($1)
+AC_LIBTOOL_SYS_HARD_LINK_LOCKS($1)
+AC_LIBTOOL_PROG_LD_SHLIBS($1)
+AC_LIBTOOL_SYS_DYNAMIC_LINKER($1)
+AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH($1)
+
+AC_LIBTOOL_CONFIG($1)
+
+AC_LANG_POP
+CC=$lt_save_CC
+LDCXX=$LD
+LD=$lt_save_LD
+GCC=$lt_save_GCC
+with_gnu_ldcxx=$with_gnu_ld
+with_gnu_ld=$lt_save_with_gnu_ld
+lt_cv_path_LDCXX=$lt_cv_path_LD
+lt_cv_path_LD=$lt_save_path_LD
+lt_cv_prog_gnu_ldcxx=$lt_cv_prog_gnu_ld
+lt_cv_prog_gnu_ld=$lt_save_with_gnu_ld
+])# AC_LIBTOOL_LANG_CXX_CONFIG
+
+# AC_LIBTOOL_POSTDEP_PREDEP([TAGNAME])
+# ------------------------------------
+# Figure out "hidden" library dependencies from verbose
+# compiler output when linking a shared library.
+# Parse the compiler output and extract the necessary
+# objects, libraries and library flags.
+AC_DEFUN([AC_LIBTOOL_POSTDEP_PREDEP],
+[AC_REQUIRE([LT_AC_PROG_SED])dnl
+dnl we can't use the lt_simple_compile_test_code here,
+dnl because it contains code intended for an executable,
+dnl not a library.  It's possible we should let each
+dnl tag define a new lt_????_link_test_code variable,
+dnl but it's only used here...
+ifelse([$1],[],[cat > conftest.$ac_ext <<EOF
+int a;
+void foo (void) { a = 0; }
+EOF
+],[$1],[CXX],[cat > conftest.$ac_ext <<EOF
+class Foo
+{
+public:
+  Foo (void) { a = 0; }
+private:
+  int a;
+};
+EOF
+],[$1],[F77],[cat > conftest.$ac_ext <<EOF
+      subroutine foo
+      implicit none
+      integer*4 a
+      a=0
+      return
+      end
+EOF
+],[$1],[GCJ],[cat > conftest.$ac_ext <<EOF
+public class foo {
+  private int a;
+  public void bar (void) {
+    a = 0;
+  }
+};
+EOF
+])
+dnl Parse the compiler output and extract the necessary
+dnl objects, libraries and library flags.
+if AC_TRY_EVAL(ac_compile); then
+  # Parse the compiler output and extract the necessary
+  # objects, libraries and library flags.
+
+  # Sentinel used to keep track of whether or not we are before
+  # the conftest object file.
+  pre_test_object_deps_done=no
+
+  # The `*' in the case matches for architectures that use `case' in
+  # $output_verbose_cmd can trigger glob expansion during the loop
+  # eval without this substitution.
+  output_verbose_link_cmd=`$echo "X$output_verbose_link_cmd" | $Xsed -e "$no_glob_subst"`
+
+  for p in `eval $output_verbose_link_cmd`; do
+    case $p in
+
+    -L* | -R* | -l*)
+       # Some compilers place space between "-{L,R}" and the path.
+       # Remove the space.
+       if test $p = "-L" \
+	  || test $p = "-R"; then
+	 prev=$p
+	 continue
+       else
+	 prev=
+       fi
+
+       if test "$pre_test_object_deps_done" = no; then
+	 case $p in
+	 -L* | -R*)
+	   # Internal compiler library paths should come after those
+	   # provided the user.  The postdeps already come after the
+	   # user supplied libs so there is no need to process them.
+	   if test -z "$_LT_AC_TAGVAR(compiler_lib_search_path, $1)"; then
+	     _LT_AC_TAGVAR(compiler_lib_search_path, $1)="${prev}${p}"
+	   else
+	     _LT_AC_TAGVAR(compiler_lib_search_path, $1)="${_LT_AC_TAGVAR(compiler_lib_search_path, $1)} ${prev}${p}"
+	   fi
+	   ;;
+	 # The "-l" case would never come before the object being
+	 # linked, so don't bother handling this case.
+	 esac
+       else
+	 if test -z "$_LT_AC_TAGVAR(postdeps, $1)"; then
+	   _LT_AC_TAGVAR(postdeps, $1)="${prev}${p}"
+	 else
+	   _LT_AC_TAGVAR(postdeps, $1)="${_LT_AC_TAGVAR(postdeps, $1)} ${prev}${p}"
+	 fi
+       fi
+       ;;
+
+    *.$objext)
+       # This assumes that the test object file only shows up
+       # once in the compiler output.
+       if test "$p" = "conftest.$objext"; then
+	 pre_test_object_deps_done=yes
+	 continue
+       fi
+
+       if test "$pre_test_object_deps_done" = no; then
+	 if test -z "$_LT_AC_TAGVAR(predep_objects, $1)"; then
+	   _LT_AC_TAGVAR(predep_objects, $1)="$p"
+	 else
+	   _LT_AC_TAGVAR(predep_objects, $1)="$_LT_AC_TAGVAR(predep_objects, $1) $p"
+	 fi
+       else
+	 if test -z "$_LT_AC_TAGVAR(postdep_objects, $1)"; then
+	   _LT_AC_TAGVAR(postdep_objects, $1)="$p"
+	 else
+	   _LT_AC_TAGVAR(postdep_objects, $1)="$_LT_AC_TAGVAR(postdep_objects, $1) $p"
+	 fi
+       fi
+       ;;
+
+    *) ;; # Ignore the rest.
+
+    esac
+  done
+
+  # Clean up.
+  rm -f a.out a.exe
+else
+  echo "libtool.m4: error: problem compiling $1 test program"
+fi
+
+$rm -f confest.$objext
+
+_LT_AC_TAGVAR(compiler_lib_search_dirs, $1)=
+if test -n "$_LT_AC_TAGVAR(compiler_lib_search_path, $1)"; then
+  _LT_AC_TAGVAR(compiler_lib_search_dirs, $1)=`echo " ${_LT_AC_TAGVAR(compiler_lib_search_path, $1)}" | ${SED} -e 's! -L! !g' -e 's!^ !!'`
+fi
+
+# PORTME: override above test on systems where it is broken
+ifelse([$1],[CXX],
+[case $host_os in
+interix[[3-9]]*)
+  # Interix 3.5 installs completely hosed .la files for C++, so rather than
+  # hack all around it, let's just trust "g++" to DTRT.
+  _LT_AC_TAGVAR(predep_objects,$1)=
+  _LT_AC_TAGVAR(postdep_objects,$1)=
+  _LT_AC_TAGVAR(postdeps,$1)=
+  ;;
+
+linux*)
+  case `$CC -V 2>&1 | sed 5q` in
+  *Sun\ C*)
+    # Sun C++ 5.9
+    #
+    # The more standards-conforming stlport4 library is
+    # incompatible with the Cstd library. Avoid specifying
+    # it if it's in CXXFLAGS. Ignore libCrun as
+    # -library=stlport4 depends on it.
+    case " $CXX $CXXFLAGS " in
+    *" -library=stlport4 "*)
+      solaris_use_stlport4=yes
+      ;;
+    esac
+    if test "$solaris_use_stlport4" != yes; then
+      _LT_AC_TAGVAR(postdeps,$1)='-library=Cstd -library=Crun'
+    fi
+    ;;
+  esac
+  ;;
+
+solaris*)
+  case $cc_basename in
+  CC*)
+    # The more standards-conforming stlport4 library is
+    # incompatible with the Cstd library. Avoid specifying
+    # it if it's in CXXFLAGS. Ignore libCrun as
+    # -library=stlport4 depends on it.
+    case " $CXX $CXXFLAGS " in
+    *" -library=stlport4 "*)
+      solaris_use_stlport4=yes
+      ;;
+    esac
+
+    # Adding this requires a known-good setup of shared libraries for
+    # Sun compiler versions before 5.6, else PIC objects from an old
+    # archive will be linked into the output, leading to subtle bugs.
+    if test "$solaris_use_stlport4" != yes; then
+      _LT_AC_TAGVAR(postdeps,$1)='-library=Cstd -library=Crun'
+    fi
+    ;;
+  esac
+  ;;
+esac
+])
+case " $_LT_AC_TAGVAR(postdeps, $1) " in
+*" -lc "*) _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no ;;
+esac
+])# AC_LIBTOOL_POSTDEP_PREDEP
+
+# AC_LIBTOOL_LANG_F77_CONFIG
+# --------------------------
+# Ensure that the configuration vars for the C compiler are
+# suitably defined.  Those variables are subsequently used by
+# AC_LIBTOOL_CONFIG to write the compiler configuration to `libtool'.
+AC_DEFUN([AC_LIBTOOL_LANG_F77_CONFIG], [_LT_AC_LANG_F77_CONFIG(F77)])
+AC_DEFUN([_LT_AC_LANG_F77_CONFIG],
+[AC_REQUIRE([AC_PROG_F77])
+AC_LANG_PUSH(Fortran 77)
+
+_LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
+_LT_AC_TAGVAR(allow_undefined_flag, $1)=
+_LT_AC_TAGVAR(always_export_symbols, $1)=no
+_LT_AC_TAGVAR(archive_expsym_cmds, $1)=
+_LT_AC_TAGVAR(export_dynamic_flag_spec, $1)=
+_LT_AC_TAGVAR(hardcode_direct, $1)=no
+_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)=
+_LT_AC_TAGVAR(hardcode_libdir_flag_spec_ld, $1)=
+_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=
+_LT_AC_TAGVAR(hardcode_minus_L, $1)=no
+_LT_AC_TAGVAR(hardcode_automatic, $1)=no
+_LT_AC_TAGVAR(module_cmds, $1)=
+_LT_AC_TAGVAR(module_expsym_cmds, $1)=
+_LT_AC_TAGVAR(link_all_deplibs, $1)=unknown
+_LT_AC_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_AC_TAGVAR(no_undefined_flag, $1)=
+_LT_AC_TAGVAR(whole_archive_flag_spec, $1)=
+_LT_AC_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+
+# Source file extension for f77 test sources.
+ac_ext=f
+
+# Object file extension for compiled f77 test sources.
+objext=o
+_LT_AC_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="\
+      subroutine t
+      return
+      end
+"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code="\
+      program t
+      end
+"
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+_LT_AC_SYS_COMPILER
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+# Allow CC to be a program name with arguments.
+lt_save_CC="$CC"
+CC=${F77-"f77"}
+compiler=$CC
+_LT_AC_TAGVAR(compiler, $1)=$CC
+_LT_CC_BASENAME([$compiler])
+
+AC_MSG_CHECKING([if libtool supports shared libraries])
+AC_MSG_RESULT([$can_build_shared])
+
+AC_MSG_CHECKING([whether to build shared libraries])
+test "$can_build_shared" = "no" && enable_shared=no
+
+# On AIX, shared libraries and static libraries use the same namespace, and
+# are all built from PIC.
+case $host_os in
+aix3*)
+  test "$enable_shared" = yes && enable_static=no
+  if test -n "$RANLIB"; then
+    archive_cmds="$archive_cmds~\$RANLIB \$lib"
+    postinstall_cmds='$RANLIB $lib'
+  fi
+  ;;
+aix[[4-9]]*)
+  if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
+    test "$enable_shared" = yes && enable_static=no
+  fi
+  ;;
+esac
+AC_MSG_RESULT([$enable_shared])
+
+AC_MSG_CHECKING([whether to build static libraries])
+# Make sure either enable_shared or enable_static is yes.
+test "$enable_shared" = yes || enable_static=yes
+AC_MSG_RESULT([$enable_static])
+
+_LT_AC_TAGVAR(GCC, $1)="$G77"
+_LT_AC_TAGVAR(LD, $1)="$LD"
+
+AC_LIBTOOL_PROG_COMPILER_PIC($1)
+AC_LIBTOOL_PROG_CC_C_O($1)
+AC_LIBTOOL_SYS_HARD_LINK_LOCKS($1)
+AC_LIBTOOL_PROG_LD_SHLIBS($1)
+AC_LIBTOOL_SYS_DYNAMIC_LINKER($1)
+AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH($1)
+
+AC_LIBTOOL_CONFIG($1)
+
+AC_LANG_POP
+CC="$lt_save_CC"
+])# AC_LIBTOOL_LANG_F77_CONFIG
+
+
+# AC_LIBTOOL_LANG_GCJ_CONFIG
+# --------------------------
+# Ensure that the configuration vars for the C compiler are
+# suitably defined.  Those variables are subsequently used by
+# AC_LIBTOOL_CONFIG to write the compiler configuration to `libtool'.
+AC_DEFUN([AC_LIBTOOL_LANG_GCJ_CONFIG], [_LT_AC_LANG_GCJ_CONFIG(GCJ)])
+AC_DEFUN([_LT_AC_LANG_GCJ_CONFIG],
+[AC_LANG_SAVE
+
+# Source file extension for Java test sources.
+ac_ext=java
+
+# Object file extension for compiled Java test sources.
+objext=o
+_LT_AC_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="class foo {}"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='public class conftest { public static void main(String[[]] argv) {}; }'
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+_LT_AC_SYS_COMPILER
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+# Allow CC to be a program name with arguments.
+lt_save_CC="$CC"
+CC=${GCJ-"gcj"}
+compiler=$CC
+_LT_AC_TAGVAR(compiler, $1)=$CC
+_LT_CC_BASENAME([$compiler])
+
+# GCJ did not exist at the time GCC didn't implicitly link libc in.
+_LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
+
+_LT_AC_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+
+## CAVEAT EMPTOR:
+## There is no encapsulation within the following macros, do not change
+## the running order or otherwise move them around unless you know exactly
+## what you are doing...
+AC_LIBTOOL_PROG_COMPILER_NO_RTTI($1)
+AC_LIBTOOL_PROG_COMPILER_PIC($1)
+AC_LIBTOOL_PROG_CC_C_O($1)
+AC_LIBTOOL_SYS_HARD_LINK_LOCKS($1)
+AC_LIBTOOL_PROG_LD_SHLIBS($1)
+AC_LIBTOOL_SYS_DYNAMIC_LINKER($1)
+AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH($1)
+
+AC_LIBTOOL_CONFIG($1)
+
+AC_LANG_RESTORE
+CC="$lt_save_CC"
+])# AC_LIBTOOL_LANG_GCJ_CONFIG
+
+
+# AC_LIBTOOL_LANG_RC_CONFIG
+# -------------------------
+# Ensure that the configuration vars for the Windows resource compiler are
+# suitably defined.  Those variables are subsequently used by
+# AC_LIBTOOL_CONFIG to write the compiler configuration to `libtool'.
+AC_DEFUN([AC_LIBTOOL_LANG_RC_CONFIG], [_LT_AC_LANG_RC_CONFIG(RC)])
+AC_DEFUN([_LT_AC_LANG_RC_CONFIG],
+[AC_LANG_SAVE
+
+# Source file extension for RC test sources.
+ac_ext=rc
+
+# Object file extension for compiled RC test sources.
+objext=o
+_LT_AC_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code='sample MENU { MENUITEM "&Soup", 100, CHECKED }'
+
+# Code to be used in simple link tests
+lt_simple_link_test_code="$lt_simple_compile_test_code"
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+_LT_AC_SYS_COMPILER
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+# Allow CC to be a program name with arguments.
+lt_save_CC="$CC"
+CC=${RC-"windres"}
+compiler=$CC
+_LT_AC_TAGVAR(compiler, $1)=$CC
+_LT_CC_BASENAME([$compiler])
+_LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes
+
+AC_LIBTOOL_CONFIG($1)
+
+AC_LANG_RESTORE
+CC="$lt_save_CC"
+])# AC_LIBTOOL_LANG_RC_CONFIG
+
+
+# AC_LIBTOOL_CONFIG([TAGNAME])
+# ----------------------------
+# If TAGNAME is not passed, then create an initial libtool script
+# with a default configuration from the untagged config vars.  Otherwise
+# add code to config.status for appending the configuration named by
+# TAGNAME from the matching tagged config vars.
+AC_DEFUN([AC_LIBTOOL_CONFIG],
+[# The else clause should only fire when bootstrapping the
+# libtool distribution, otherwise you forgot to ship ltmain.sh
+# with your package, and you will get complaints that there are
+# no rules to generate ltmain.sh.
+if test -f "$ltmain"; then
+  # See if we are running on zsh, and set the options which allow our commands through
+  # without removal of \ escapes.
+  if test -n "${ZSH_VERSION+set}" ; then
+    setopt NO_GLOB_SUBST
+  fi
+  # Now quote all the things that may contain metacharacters while being
+  # careful not to overquote the AC_SUBSTed values.  We take copies of the
+  # variables and quote the copies for generation of the libtool script.
+  for var in echo old_CC old_CFLAGS AR AR_FLAGS EGREP RANLIB LN_S LTCC LTCFLAGS NM \
+    SED SHELL STRIP \
+    libname_spec library_names_spec soname_spec extract_expsyms_cmds \
+    old_striplib striplib file_magic_cmd finish_cmds finish_eval \
+    deplibs_check_method reload_flag reload_cmds need_locks \
+    lt_cv_sys_global_symbol_pipe lt_cv_sys_global_symbol_to_cdecl \
+    lt_cv_sys_global_symbol_to_c_name_address \
+    sys_lib_search_path_spec sys_lib_dlsearch_path_spec \
+    old_postinstall_cmds old_postuninstall_cmds \
+    _LT_AC_TAGVAR(compiler, $1) \
+    _LT_AC_TAGVAR(CC, $1) \
+    _LT_AC_TAGVAR(LD, $1) \
+    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1) \
+    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1) \
+    _LT_AC_TAGVAR(lt_prog_compiler_static, $1) \
+    _LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) \
+    _LT_AC_TAGVAR(export_dynamic_flag_spec, $1) \
+    _LT_AC_TAGVAR(thread_safe_flag_spec, $1) \
+    _LT_AC_TAGVAR(whole_archive_flag_spec, $1) \
+    _LT_AC_TAGVAR(enable_shared_with_static_runtimes, $1) \
+    _LT_AC_TAGVAR(old_archive_cmds, $1) \
+    _LT_AC_TAGVAR(old_archive_from_new_cmds, $1) \
+    _LT_AC_TAGVAR(predep_objects, $1) \
+    _LT_AC_TAGVAR(postdep_objects, $1) \
+    _LT_AC_TAGVAR(predeps, $1) \
+    _LT_AC_TAGVAR(postdeps, $1) \
+    _LT_AC_TAGVAR(compiler_lib_search_path, $1) \
+    _LT_AC_TAGVAR(compiler_lib_search_dirs, $1) \
+    _LT_AC_TAGVAR(archive_cmds, $1) \
+    _LT_AC_TAGVAR(archive_expsym_cmds, $1) \
+    _LT_AC_TAGVAR(postinstall_cmds, $1) \
+    _LT_AC_TAGVAR(postuninstall_cmds, $1) \
+    _LT_AC_TAGVAR(old_archive_from_expsyms_cmds, $1) \
+    _LT_AC_TAGVAR(allow_undefined_flag, $1) \
+    _LT_AC_TAGVAR(no_undefined_flag, $1) \
+    _LT_AC_TAGVAR(export_symbols_cmds, $1) \
+    _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1) \
+    _LT_AC_TAGVAR(hardcode_libdir_flag_spec_ld, $1) \
+    _LT_AC_TAGVAR(hardcode_libdir_separator, $1) \
+    _LT_AC_TAGVAR(hardcode_automatic, $1) \
+    _LT_AC_TAGVAR(module_cmds, $1) \
+    _LT_AC_TAGVAR(module_expsym_cmds, $1) \
+    _LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1) \
+    _LT_AC_TAGVAR(fix_srcfile_path, $1) \
+    _LT_AC_TAGVAR(exclude_expsyms, $1) \
+    _LT_AC_TAGVAR(include_expsyms, $1); do
+
+    case $var in
+    _LT_AC_TAGVAR(old_archive_cmds, $1) | \
+    _LT_AC_TAGVAR(old_archive_from_new_cmds, $1) | \
+    _LT_AC_TAGVAR(archive_cmds, $1) | \
+    _LT_AC_TAGVAR(archive_expsym_cmds, $1) | \
+    _LT_AC_TAGVAR(module_cmds, $1) | \
+    _LT_AC_TAGVAR(module_expsym_cmds, $1) | \
+    _LT_AC_TAGVAR(old_archive_from_expsyms_cmds, $1) | \
+    _LT_AC_TAGVAR(export_symbols_cmds, $1) | \
+    extract_expsyms_cmds | reload_cmds | finish_cmds | \
+    postinstall_cmds | postuninstall_cmds | \
+    old_postinstall_cmds | old_postuninstall_cmds | \
+    sys_lib_search_path_spec | sys_lib_dlsearch_path_spec)
+      # Double-quote double-evaled strings.
+      eval "lt_$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\""
+      ;;
+    *)
+      eval "lt_$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\""
+      ;;
+    esac
+  done
+
+  case $lt_echo in
+  *'\[$]0 --fallback-echo"')
+    lt_echo=`$echo "X$lt_echo" | $Xsed -e 's/\\\\\\\[$]0 --fallback-echo"[$]/[$]0 --fallback-echo"/'`
+    ;;
+  esac
+
+ifelse([$1], [],
+  [cfgfile="${ofile}T"
+  trap "$rm \"$cfgfile\"; exit 1" 1 2 15
+  $rm -f "$cfgfile"
+  AC_MSG_NOTICE([creating $ofile])],
+  [cfgfile="$ofile"])
+
+  cat <<__EOF__ >> "$cfgfile"
+ifelse([$1], [],
+[#! $SHELL
+
+# `$echo "$cfgfile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
+# Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
+# NOTE: Changes made to this file will be lost: look at ltmain.sh.
+#
+# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+# Free Software Foundation, Inc.
+#
+# This file is part of GNU Libtool:
+# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# A sed program that does not truncate output.
+SED=$lt_SED
+
+# Sed that helps us avoid accidentally triggering echo(1) options like -n.
+Xsed="$SED -e 1s/^X//"
+
+# The HP-UX ksh and POSIX shell print the target directory to stdout
+# if CDPATH is set.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+# The names of the tagged configurations supported by this script.
+available_tags=
+
+# ### BEGIN LIBTOOL CONFIG],
+[# ### BEGIN LIBTOOL TAG CONFIG: $tagname])
+
+# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
+
+# Shell to use when invoking shell scripts.
+SHELL=$lt_SHELL
+
+# Whether or not to build shared libraries.
+build_libtool_libs=$enable_shared
+
+# Whether or not to build static libraries.
+build_old_libs=$enable_static
+
+# Whether or not to add -lc for building shared libraries.
+build_libtool_need_lc=$_LT_AC_TAGVAR(archive_cmds_need_lc, $1)
+
+# Whether or not to disallow shared libs when runtime libs are static
+allow_libtool_libs_with_static_runtimes=$_LT_AC_TAGVAR(enable_shared_with_static_runtimes, $1)
+
+# Whether or not to optimize for fast installation.
+fast_install=$enable_fast_install
+
+# The host system.
+host_alias=$host_alias
+host=$host
+host_os=$host_os
+
+# The build system.
+build_alias=$build_alias
+build=$build
+build_os=$build_os
+
+# An echo program that does not interpret backslashes.
+echo=$lt_echo
+
+# The archiver.
+AR=$lt_AR
+AR_FLAGS=$lt_AR_FLAGS
+
+# A C compiler.
+LTCC=$lt_LTCC
+
+# LTCC compiler flags.
+LTCFLAGS=$lt_LTCFLAGS
+
+# A language-specific compiler.
+CC=$lt_[]_LT_AC_TAGVAR(compiler, $1)
+
+# Is the compiler the GNU C compiler?
+with_gcc=$_LT_AC_TAGVAR(GCC, $1)
+
+# An ERE matcher.
+EGREP=$lt_EGREP
+
+# The linker used to build libraries.
+LD=$lt_[]_LT_AC_TAGVAR(LD, $1)
+
+# Whether we need hard or soft links.
+LN_S=$lt_LN_S
+
+# A BSD-compatible nm program.
+NM=$lt_NM
+
+# A symbol stripping program
+STRIP=$lt_STRIP
+
+# Used to examine libraries when file_magic_cmd begins "file"
+MAGIC_CMD=$MAGIC_CMD
+
+# Used on cygwin: DLL creation program.
+DLLTOOL="$DLLTOOL"
+
+# Used on cygwin: object dumper.
+OBJDUMP="$OBJDUMP"
+
+# Used on cygwin: assembler.
+AS="$AS"
+
+# The name of the directory that contains temporary libtool files.
+objdir=$objdir
+
+# How to create reloadable object files.
+reload_flag=$lt_reload_flag
+reload_cmds=$lt_reload_cmds
+
+# How to pass a linker flag through the compiler.
+wl=$lt_[]_LT_AC_TAGVAR(lt_prog_compiler_wl, $1)
+
+# Object file suffix (normally "o").
+objext="$ac_objext"
+
+# Old archive suffix (normally "a").
+libext="$libext"
+
+# Shared library suffix (normally ".so").
+shrext_cmds='$shrext_cmds'
+
+# Executable file suffix (normally "").
+exeext="$exeext"
+
+# Additional compiler flags for building library objects.
+pic_flag=$lt_[]_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)
+pic_mode=$pic_mode
+
+# What is the maximum length of a command?
+max_cmd_len=$lt_cv_sys_max_cmd_len
+
+# Does compiler simultaneously support -c and -o options?
+compiler_c_o=$lt_[]_LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1)
+
+# Must we lock files when doing compilation?
+need_locks=$lt_need_locks
+
+# Do we need the lib prefix for modules?
+need_lib_prefix=$need_lib_prefix
+
+# Do we need a version for libraries?
+need_version=$need_version
+
+# Whether dlopen is supported.
+dlopen_support=$enable_dlopen
+
+# Whether dlopen of programs is supported.
+dlopen_self=$enable_dlopen_self
+
+# Whether dlopen of statically linked programs is supported.
+dlopen_self_static=$enable_dlopen_self_static
+
+# Compiler flag to prevent dynamic linking.
+link_static_flag=$lt_[]_LT_AC_TAGVAR(lt_prog_compiler_static, $1)
+
+# Compiler flag to turn off builtin functions.
+no_builtin_flag=$lt_[]_LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)
+
+# Compiler flag to allow reflexive dlopens.
+export_dynamic_flag_spec=$lt_[]_LT_AC_TAGVAR(export_dynamic_flag_spec, $1)
+
+# Compiler flag to generate shared objects directly from archives.
+whole_archive_flag_spec=$lt_[]_LT_AC_TAGVAR(whole_archive_flag_spec, $1)
+
+# Compiler flag to generate thread-safe objects.
+thread_safe_flag_spec=$lt_[]_LT_AC_TAGVAR(thread_safe_flag_spec, $1)
+
+# Library versioning type.
+version_type=$version_type
+
+# Format of library name prefix.
+libname_spec=$lt_libname_spec
+
+# List of archive names.  First name is the real one, the rest are links.
+# The last name is the one that the linker finds with -lNAME.
+library_names_spec=$lt_library_names_spec
+
+# The coded name of the library, if different from the real name.
+soname_spec=$lt_soname_spec
+
+# Commands used to build and install an old-style archive.
+RANLIB=$lt_RANLIB
+old_archive_cmds=$lt_[]_LT_AC_TAGVAR(old_archive_cmds, $1)
+old_postinstall_cmds=$lt_old_postinstall_cmds
+old_postuninstall_cmds=$lt_old_postuninstall_cmds
+
+# Create an old-style archive from a shared archive.
+old_archive_from_new_cmds=$lt_[]_LT_AC_TAGVAR(old_archive_from_new_cmds, $1)
+
+# Create a temporary old-style archive to link instead of a shared archive.
+old_archive_from_expsyms_cmds=$lt_[]_LT_AC_TAGVAR(old_archive_from_expsyms_cmds, $1)
+
+# Commands used to build and install a shared archive.
+archive_cmds=$lt_[]_LT_AC_TAGVAR(archive_cmds, $1)
+archive_expsym_cmds=$lt_[]_LT_AC_TAGVAR(archive_expsym_cmds, $1)
+postinstall_cmds=$lt_postinstall_cmds
+postuninstall_cmds=$lt_postuninstall_cmds
+
+# Commands used to build a loadable module (assumed same as above if empty)
+module_cmds=$lt_[]_LT_AC_TAGVAR(module_cmds, $1)
+module_expsym_cmds=$lt_[]_LT_AC_TAGVAR(module_expsym_cmds, $1)
+
+# Commands to strip libraries.
+old_striplib=$lt_old_striplib
+striplib=$lt_striplib
+
+# Dependencies to place before the objects being linked to create a
+# shared library.
+predep_objects=$lt_[]_LT_AC_TAGVAR(predep_objects, $1)
+
+# Dependencies to place after the objects being linked to create a
+# shared library.
+postdep_objects=$lt_[]_LT_AC_TAGVAR(postdep_objects, $1)
+
+# Dependencies to place before the objects being linked to create a
+# shared library.
+predeps=$lt_[]_LT_AC_TAGVAR(predeps, $1)
+
+# Dependencies to place after the objects being linked to create a
+# shared library.
+postdeps=$lt_[]_LT_AC_TAGVAR(postdeps, $1)
+
+# The directories searched by this compiler when creating a shared
+# library
+compiler_lib_search_dirs=$lt_[]_LT_AC_TAGVAR(compiler_lib_search_dirs, $1)
+
+# The library search path used internally by the compiler when linking
+# a shared library.
+compiler_lib_search_path=$lt_[]_LT_AC_TAGVAR(compiler_lib_search_path, $1)
+
+# Method to check whether dependent libraries are shared objects.
+deplibs_check_method=$lt_deplibs_check_method
+
+# Command to use when deplibs_check_method == file_magic.
+file_magic_cmd=$lt_file_magic_cmd
+
+# Flag that allows shared libraries with undefined symbols to be built.
+allow_undefined_flag=$lt_[]_LT_AC_TAGVAR(allow_undefined_flag, $1)
+
+# Flag that forces no undefined symbols.
+no_undefined_flag=$lt_[]_LT_AC_TAGVAR(no_undefined_flag, $1)
+
+# Commands used to finish a libtool library installation in a directory.
+finish_cmds=$lt_finish_cmds
+
+# Same as above, but a single script fragment to be evaled but not shown.
+finish_eval=$lt_finish_eval
+
+# Take the output of nm and produce a listing of raw symbols and C names.
+global_symbol_pipe=$lt_lt_cv_sys_global_symbol_pipe
+
+# Transform the output of nm in a proper C declaration
+global_symbol_to_cdecl=$lt_lt_cv_sys_global_symbol_to_cdecl
+
+# Transform the output of nm in a C name address pair
+global_symbol_to_c_name_address=$lt_lt_cv_sys_global_symbol_to_c_name_address
+
+# This is the shared library runtime path variable.
+runpath_var=$runpath_var
+
+# This is the shared library path variable.
+shlibpath_var=$shlibpath_var
+
+# Is shlibpath searched before the hard-coded library search path?
+shlibpath_overrides_runpath=$shlibpath_overrides_runpath
+
+# How to hardcode a shared library path into an executable.
+hardcode_action=$_LT_AC_TAGVAR(hardcode_action, $1)
+
+# Whether we should hardcode library paths into libraries.
+hardcode_into_libs=$hardcode_into_libs
+
+# Flag to hardcode \$libdir into a binary during linking.
+# This must work even if \$libdir does not exist.
+hardcode_libdir_flag_spec=$lt_[]_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)
+
+# If ld is used when linking, flag to hardcode \$libdir into
+# a binary during linking. This must work even if \$libdir does
+# not exist.
+hardcode_libdir_flag_spec_ld=$lt_[]_LT_AC_TAGVAR(hardcode_libdir_flag_spec_ld, $1)
+
+# Whether we need a single -rpath flag with a separated argument.
+hardcode_libdir_separator=$lt_[]_LT_AC_TAGVAR(hardcode_libdir_separator, $1)
+
+# Set to yes if using DIR/libNAME${shared_ext} during linking hardcodes DIR into the
+# resulting binary.
+hardcode_direct=$_LT_AC_TAGVAR(hardcode_direct, $1)
+
+# Set to yes if using the -LDIR flag during linking hardcodes DIR into the
+# resulting binary.
+hardcode_minus_L=$_LT_AC_TAGVAR(hardcode_minus_L, $1)
+
+# Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
+# the resulting binary.
+hardcode_shlibpath_var=$_LT_AC_TAGVAR(hardcode_shlibpath_var, $1)
+
+# Set to yes if building a shared library automatically hardcodes DIR into the library
+# and all subsequent libraries and executables linked against it.
+hardcode_automatic=$_LT_AC_TAGVAR(hardcode_automatic, $1)
+
+# Variables whose values should be saved in libtool wrapper scripts and
+# restored at relink time.
+variables_saved_for_relink="$variables_saved_for_relink"
+
+# Whether libtool must link a program against all its dependency libraries.
+link_all_deplibs=$_LT_AC_TAGVAR(link_all_deplibs, $1)
+
+# Compile-time system search path for libraries
+sys_lib_search_path_spec=$lt_sys_lib_search_path_spec
+
+# Run-time system search path for libraries
+sys_lib_dlsearch_path_spec=$lt_sys_lib_dlsearch_path_spec
+
+# Fix the shell variable \$srcfile for the compiler.
+fix_srcfile_path=$lt_fix_srcfile_path
+
+# Set to yes if exported symbols are required.
+always_export_symbols=$_LT_AC_TAGVAR(always_export_symbols, $1)
+
+# The commands to list exported symbols.
+export_symbols_cmds=$lt_[]_LT_AC_TAGVAR(export_symbols_cmds, $1)
+
+# The commands to extract the exported symbol list from a shared archive.
+extract_expsyms_cmds=$lt_extract_expsyms_cmds
+
+# Symbols that should not be listed in the preloaded symbols.
+exclude_expsyms=$lt_[]_LT_AC_TAGVAR(exclude_expsyms, $1)
+
+# Symbols that must always be exported.
+include_expsyms=$lt_[]_LT_AC_TAGVAR(include_expsyms, $1)
+
+ifelse([$1],[],
+[# ### END LIBTOOL CONFIG],
+[# ### END LIBTOOL TAG CONFIG: $tagname])
+
+__EOF__
+
+ifelse([$1],[], [
+  case $host_os in
+  aix3*)
+    cat <<\EOF >> "$cfgfile"
+
+# AIX sometimes has problems with the GCC collect2 program.  For some
+# reason, if we set the COLLECT_NAMES environment variable, the problems
+# vanish in a puff of smoke.
+if test "X${COLLECT_NAMES+set}" != Xset; then
+  COLLECT_NAMES=
+  export COLLECT_NAMES
+fi
+EOF
+    ;;
+  esac
+
+  # We use sed instead of cat because bash on DJGPP gets confused if
+  # if finds mixed CR/LF and LF-only lines.  Since sed operates in
+  # text mode, it properly converts lines to CR/LF.  This bash problem
+  # is reportedly fixed, but why not run on old versions too?
+  sed '$q' "$ltmain" >> "$cfgfile" || (rm -f "$cfgfile"; exit 1)
+
+  mv -f "$cfgfile" "$ofile" || \
+    (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile")
+  chmod +x "$ofile"
+])
+else
+  # If there is no Makefile yet, we rely on a make rule to execute
+  # `config.status --recheck' to rerun these tests and create the
+  # libtool script then.
+  ltmain_in=`echo $ltmain | sed -e 's/\.sh$/.in/'`
+  if test -f "$ltmain_in"; then
+    test -f Makefile && make "$ltmain"
+  fi
+fi
+])# AC_LIBTOOL_CONFIG
+
+
+# AC_LIBTOOL_PROG_COMPILER_NO_RTTI([TAGNAME])
+# -------------------------------------------
+AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_NO_RTTI],
+[AC_REQUIRE([_LT_AC_SYS_COMPILER])dnl
+
+_LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=
+
+if test "$GCC" = yes; then
+  _LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin'
+
+  AC_LIBTOOL_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions],
+    lt_cv_prog_compiler_rtti_exceptions,
+    [-fno-rtti -fno-exceptions], [],
+    [_LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"])
+fi
+])# AC_LIBTOOL_PROG_COMPILER_NO_RTTI
+
+
+# AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE
+# ---------------------------------
+AC_DEFUN([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE],
+[AC_REQUIRE([AC_CANONICAL_HOST])
+AC_REQUIRE([LT_AC_PROG_SED])
+AC_REQUIRE([AC_PROG_NM])
+AC_REQUIRE([AC_OBJEXT])
+# Check for command to grab the raw symbol name followed by C symbol from nm.
+AC_MSG_CHECKING([command to parse $NM output from $compiler object])
+AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe],
+[
+# These are sane defaults that work on at least a few old systems.
+# [They come from Ultrix.  What could be older than Ultrix?!! ;)]
+
+# Character class describing NM global symbol codes.
+symcode='[[BCDEGRST]]'
+
+# Regexp to match symbols that can be accessed directly from C.
+sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)'
+
+# Transform an extracted symbol line into a proper C declaration
+lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern int \1;/p'"
+
+# Transform an extracted symbol line into symbol name and symbol address
+lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\) $/  {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode \([[^ ]]*\) \([[^ ]]*\)$/  {\"\2\", (lt_ptr) \&\2},/p'"
+
+# Define system-specific variables.
+case $host_os in
+aix*)
+  symcode='[[BCDT]]'
+  ;;
+cygwin* | mingw* | pw32*)
+  symcode='[[ABCDGISTW]]'
+  ;;
+hpux*) # Its linker distinguishes data from code symbols
+  if test "$host_cpu" = ia64; then
+    symcode='[[ABCDEGRST]]'
+  fi
+  lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'"
+  lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\) $/  {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/  {\"\2\", (lt_ptr) \&\2},/p'"
+  ;;
+linux* | k*bsd*-gnu)
+  if test "$host_cpu" = ia64; then
+    symcode='[[ABCDGIRSTW]]'
+    lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'"
+    lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\) $/  {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/  {\"\2\", (lt_ptr) \&\2},/p'"
+  fi
+  ;;
+irix* | nonstopux*)
+  symcode='[[BCDEGRST]]'
+  ;;
+osf*)
+  symcode='[[BCDEGQRST]]'
+  ;;
+solaris*)
+  symcode='[[BDRT]]'
+  ;;
+sco3.2v5*)
+  symcode='[[DT]]'
+  ;;
+sysv4.2uw2*)
+  symcode='[[DT]]'
+  ;;
+sysv5* | sco5v6* | unixware* | OpenUNIX*)
+  symcode='[[ABDT]]'
+  ;;
+sysv4)
+  symcode='[[DFNSTU]]'
+  ;;
+esac
+
+# Handle CRLF in mingw tool chain
+opt_cr=
+case $build_os in
+mingw*)
+  opt_cr=`echo 'x\{0,1\}' | tr x '\015'` # option cr in regexp
+  ;;
+esac
+
+# If we're using GNU nm, then use its standard symbol codes.
+case `$NM -V 2>&1` in
+*GNU* | *'with BFD'*)
+  symcode='[[ABCDGIRSTW]]' ;;
+esac
+
+# Try without a prefix undercore, then with it.
+for ac_symprfx in "" "_"; do
+
+  # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol.
+  symxfrm="\\1 $ac_symprfx\\2 \\2"
+
+  # Write the raw and C identifiers.
+  lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[[ 	]]\($symcode$symcode*\)[[ 	]][[ 	]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'"
+
+  # Check to see that the pipe works correctly.
+  pipe_works=no
+
+  rm -f conftest*
+  cat > conftest.$ac_ext <<EOF
+#ifdef __cplusplus
+extern "C" {
+#endif
+char nm_test_var;
+void nm_test_func(){}
+#ifdef __cplusplus
+}
+#endif
+int main(){nm_test_var='a';nm_test_func();return(0);}
+EOF
+
+  if AC_TRY_EVAL(ac_compile); then
+    # Now try to grab the symbols.
+    nlist=conftest.nm
+    if AC_TRY_EVAL(NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \> $nlist) && test -s "$nlist"; then
+      # Try sorting and uniquifying the output.
+      if sort "$nlist" | uniq > "$nlist"T; then
+	mv -f "$nlist"T "$nlist"
+      else
+	rm -f "$nlist"T
+      fi
+
+      # Make sure that we snagged all the symbols we need.
+      if grep ' nm_test_var$' "$nlist" >/dev/null; then
+	if grep ' nm_test_func$' "$nlist" >/dev/null; then
+	  cat <<EOF > conftest.$ac_ext
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+EOF
+	  # Now generate the symbol file.
+	  eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | grep -v main >> conftest.$ac_ext'
+
+	  cat <<EOF >> conftest.$ac_ext
+#if defined (__STDC__) && __STDC__
+# define lt_ptr_t void *
+#else
+# define lt_ptr_t char *
+# define const
+#endif
+
+/* The mapping between symbol names and symbols. */
+const struct {
+  const char *name;
+  lt_ptr_t address;
+}
+lt_preloaded_symbols[[]] =
+{
+EOF
+	  $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/  {\"\2\", (lt_ptr_t) \&\2},/" < "$nlist" | grep -v main >> conftest.$ac_ext
+	  cat <<\EOF >> conftest.$ac_ext
+  {0, (lt_ptr_t) 0}
+};
+
+#ifdef __cplusplus
+}
+#endif
+EOF
+	  # Now try linking the two files.
+	  mv conftest.$ac_objext conftstm.$ac_objext
+	  lt_save_LIBS="$LIBS"
+	  lt_save_CFLAGS="$CFLAGS"
+	  LIBS="conftstm.$ac_objext"
+	  CFLAGS="$CFLAGS$_LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)"
+	  if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext}; then
+	    pipe_works=yes
+	  fi
+	  LIBS="$lt_save_LIBS"
+	  CFLAGS="$lt_save_CFLAGS"
+	else
+	  echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD
+	fi
+      else
+	echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD
+      fi
+    else
+      echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD
+    fi
+  else
+    echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD
+    cat conftest.$ac_ext >&5
+  fi
+  rm -rf conftest* conftst*
+
+  # Do not use the global_symbol_pipe unless it works.
+  if test "$pipe_works" = yes; then
+    break
+  else
+    lt_cv_sys_global_symbol_pipe=
+  fi
+done
+])
+if test -z "$lt_cv_sys_global_symbol_pipe"; then
+  lt_cv_sys_global_symbol_to_cdecl=
+fi
+if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then
+  AC_MSG_RESULT(failed)
+else
+  AC_MSG_RESULT(ok)
+fi
+]) # AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE
+
+
+# AC_LIBTOOL_PROG_COMPILER_PIC([TAGNAME])
+# ---------------------------------------
+AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_PIC],
+[_LT_AC_TAGVAR(lt_prog_compiler_wl, $1)=
+_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=
+_LT_AC_TAGVAR(lt_prog_compiler_static, $1)=
+
+AC_MSG_CHECKING([for $compiler option to produce PIC])
+ ifelse([$1],[CXX],[
+  # C++ specific cases for pic, static, wl, etc.
+  if test "$GXX" = yes; then
+    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-static'
+
+    case $host_os in
+    aix*)
+      # All AIX code is PIC.
+      if test "$host_cpu" = ia64; then
+	# AIX 5 now supports IA64 processor
+	_LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      fi
+      ;;
+    amigaos*)
+      # FIXME: we need at least 68020 code to build shared libraries, but
+      # adding the `-m68020' flag to GCC prevents building anything better,
+      # like `-m68040'.
+      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4'
+      ;;
+    beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
+      # PIC is the default for these OSes.
+      ;;
+    mingw* | cygwin* | os2* | pw32*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      # Although the cygwin gcc ignores -fPIC, still need this for old-style
+      # (--disable-auto-import) libraries
+      m4_if([$1], [GCJ], [],
+	[_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+      ;;
+    darwin* | rhapsody*)
+      # PIC is the default on this platform
+      # Common symbols not allowed in MH_DYLIB files
+      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
+      ;;
+    *djgpp*)
+      # DJGPP does not support shared libraries at all
+      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=
+      ;;
+    interix[[3-9]]*)
+      # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+      # Instead, we relocate shared libraries at runtime.
+      ;;
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic
+      fi
+      ;;
+    hpux*)
+      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+      # not for PA HP-UX.
+      case $host_cpu in
+      hppa*64*|ia64*)
+	;;
+      *)
+	_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	;;
+      esac
+      ;;
+    *)
+      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+      ;;
+    esac
+  else
+    case $host_os in
+      aix[[4-9]]*)
+	# All AIX code is PIC.
+	if test "$host_cpu" = ia64; then
+	  # AIX 5 now supports IA64 processor
+	  _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	else
+	  _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp'
+	fi
+	;;
+      chorus*)
+	case $cc_basename in
+	cxch68*)
+	  # Green Hills C++ Compiler
+	  # _LT_AC_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a"
+	  ;;
+	esac
+	;;
+       darwin*)
+         # PIC is the default on this platform
+         # Common symbols not allowed in MH_DYLIB files
+         case $cc_basename in
+           xlc*)
+           _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-qnocommon'
+           _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+           ;;
+         esac
+       ;;
+      dgux*)
+	case $cc_basename in
+	  ec++*)
+	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    ;;
+	  ghcx*)
+	    # Green Hills C++ Compiler
+	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      freebsd* | dragonfly*)
+	# FreeBSD uses GNU C++
+	;;
+      hpux9* | hpux10* | hpux11*)
+	case $cc_basename in
+	  CC*)
+	    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive'
+	    if test "$host_cpu" != ia64; then
+	      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
+	    fi
+	    ;;
+	  aCC*)
+	    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive'
+	    case $host_cpu in
+	    hppa*64*|ia64*)
+	      # +Z the default
+	      ;;
+	    *)
+	      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
+	      ;;
+	    esac
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      interix*)
+	# This is c89, which is MS Visual C++ (no shared libs)
+	# Anyone wants to do a port?
+	;;
+      irix5* | irix6* | nonstopux*)
+	case $cc_basename in
+	  CC*)
+	    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+	    # CC pic flag -KPIC is the default.
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      linux* | k*bsd*-gnu)
+	case $cc_basename in
+	  KCC*)
+	    # KAI C++ Compiler
+	    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,'
+	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	    ;;
+	  icpc* | ecpc*)
+	    # Intel C++
+	    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-static'
+	    ;;
+	  pgCC* | pgcpp*)
+	    # Portland Group C++ compiler.
+	    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
+	    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	    ;;
+	  cxx*)
+	    # Compaq C++
+	    # Make sure the PIC flag is empty.  It appears that all Alpha
+	    # Linux and Compaq Tru64 Unix objects are PIC.
+	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=
+	    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+	    ;;
+	  *)
+	    case `$CC -V 2>&1 | sed 5q` in
+	    *Sun\ C*)
+	      # Sun C++ 5.9
+	      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	      _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+	      ;;
+	    esac
+	    ;;
+	esac
+	;;
+      lynxos*)
+	;;
+      m88k*)
+	;;
+      mvs*)
+	case $cc_basename in
+	  cxx*)
+	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      netbsd* | netbsdelf*-gnu)
+	;;
+      osf3* | osf4* | osf5*)
+	case $cc_basename in
+	  KCC*)
+	    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,'
+	    ;;
+	  RCC*)
+	    # Rational C++ 2.4.1
+	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+	    ;;
+	  cxx*)
+	    # Digital/Compaq C++
+	    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    # Make sure the PIC flag is empty.  It appears that all Alpha
+	    # Linux and Compaq Tru64 Unix objects are PIC.
+	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=
+	    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      psos*)
+	;;
+      solaris*)
+	case $cc_basename in
+	  CC*)
+	    # Sun C++ 4.2, 5.x and Centerline C++
+	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+	    ;;
+	  gcx*)
+	    # Green Hills C++ Compiler
+	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      sunos4*)
+	case $cc_basename in
+	  CC*)
+	    # Sun C++ 4.x
+	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+	    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	    ;;
+	  lcc*)
+	    # Lucid
+	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      tandem*)
+	case $cc_basename in
+	  NCC*)
+	    # NonStop-UX NCC 3.20
+	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
+	case $cc_basename in
+	  CC*)
+	    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	    ;;
+	esac
+	;;
+      vxworks*)
+	;;
+      *)
+	_LT_AC_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+	;;
+    esac
+  fi
+],
+[
+  if test "$GCC" = yes; then
+    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-static'
+
+    case $host_os in
+      aix*)
+      # All AIX code is PIC.
+      if test "$host_cpu" = ia64; then
+	# AIX 5 now supports IA64 processor
+	_LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      fi
+      ;;
+
+    amigaos*)
+      # FIXME: we need at least 68020 code to build shared libraries, but
+      # adding the `-m68020' flag to GCC prevents building anything better,
+      # like `-m68040'.
+      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4'
+      ;;
+
+    beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
+      # PIC is the default for these OSes.
+      ;;
+
+    mingw* | cygwin* | pw32* | os2*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      # Although the cygwin gcc ignores -fPIC, still need this for old-style
+      # (--disable-auto-import) libraries
+      m4_if([$1], [GCJ], [],
+	[_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+      ;;
+
+    darwin* | rhapsody*)
+      # PIC is the default on this platform
+      # Common symbols not allowed in MH_DYLIB files
+      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
+      ;;
+
+    interix[[3-9]]*)
+      # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+      # Instead, we relocate shared libraries at runtime.
+      ;;
+
+    msdosdjgpp*)
+      # Just because we use GCC doesn't mean we suddenly get shared libraries
+      # on systems that don't support them.
+      _LT_AC_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+      enable_shared=no
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic
+      fi
+      ;;
+
+    hpux*)
+      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+      # not for PA HP-UX.
+      case $host_cpu in
+      hppa*64*|ia64*)
+	# +Z the default
+	;;
+      *)
+	_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	;;
+      esac
+      ;;
+
+    *)
+      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+      ;;
+    esac
+  else
+    # PORTME Check for flag to pass linker flags through the system compiler.
+    case $host_os in
+    aix*)
+      _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      if test "$host_cpu" = ia64; then
+	# AIX 5 now supports IA64 processor
+	_LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      else
+	_LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp'
+      fi
+      ;;
+      darwin*)
+        # PIC is the default on this platform
+        # Common symbols not allowed in MH_DYLIB files
+       case $cc_basename in
+         xlc*)
+         _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-qnocommon'
+         _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+         ;;
+       esac
+       ;;
+
+    mingw* | cygwin* | pw32* | os2*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      m4_if([$1], [GCJ], [],
+	[_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+      ;;
+
+    hpux9* | hpux10* | hpux11*)
+      _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+      # not for PA HP-UX.
+      case $host_cpu in
+      hppa*64*|ia64*)
+	# +Z the default
+	;;
+      *)
+	_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
+	;;
+      esac
+      # Is there a better lt_prog_compiler_static that works with the bundled CC?
+      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive'
+      ;;
+
+    irix5* | irix6* | nonstopux*)
+      _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      # PIC (with -KPIC) is the default.
+      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+      ;;
+
+    newsos6)
+      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    linux* | k*bsd*-gnu)
+      case $cc_basename in
+      icc* | ecc*)
+	_LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	_LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-static'
+        ;;
+      pgcc* | pgf77* | pgf90* | pgf95*)
+        # Portland Group compilers (*not* the Pentium gcc compiler,
+	# which looks to be a dead project)
+	_LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
+	_LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+        ;;
+      ccc*)
+        _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+        # All Alpha code is PIC.
+        _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+        ;;
+      *)
+        case `$CC -V 2>&1 | sed 5q` in
+	*Sun\ C*)
+	  # Sun C 5.9
+	  _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	  _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	  _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	  ;;
+	*Sun\ F*)
+	  # Sun Fortran 8.3 passes all unrecognized flags to the linker
+	  _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	  _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	  _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)=''
+	  ;;
+	esac
+	;;
+      esac
+      ;;
+
+    osf3* | osf4* | osf5*)
+      _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      # All OSF/1 code is PIC.
+      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+      ;;
+
+    rdos*)
+      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+      ;;
+
+    solaris*)
+      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      case $cc_basename in
+      f77* | f90* | f95*)
+	_LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ';;
+      *)
+	_LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';;
+      esac
+      ;;
+
+    sunos4*)
+      _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
+      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    sysv4 | sysv4.2uw2* | sysv4.3*)
+      _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec ;then
+	_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic'
+	_LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      fi
+      ;;
+
+    sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
+      _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    unicos*)
+      _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      _LT_AC_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+      ;;
+
+    uts4*)
+      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    *)
+      _LT_AC_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+      ;;
+    esac
+  fi
+])
+AC_MSG_RESULT([$_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)])
+
+#
+# Check to make sure the PIC flag actually works.
+#
+if test -n "$_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)"; then
+  AC_LIBTOOL_COMPILER_OPTION([if $compiler PIC flag $_LT_AC_TAGVAR(lt_prog_compiler_pic, $1) works],
+    _LT_AC_TAGVAR(lt_cv_prog_compiler_pic_works, $1),
+    [$_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)ifelse([$1],[],[ -DPIC],[ifelse([$1],[CXX],[ -DPIC],[])])], [],
+    [case $_LT_AC_TAGVAR(lt_prog_compiler_pic, $1) in
+     "" | " "*) ;;
+     *) _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)" ;;
+     esac],
+    [_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=
+     _LT_AC_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no])
+fi
+case $host_os in
+  # For platforms which do not support PIC, -DPIC is meaningless:
+  *djgpp*)
+    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=
+    ;;
+  *)
+    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)ifelse([$1],[],[ -DPIC],[ifelse([$1],[CXX],[ -DPIC],[])])"
+    ;;
+esac
+
+#
+# Check to make sure the static flag actually works.
+#
+wl=$_LT_AC_TAGVAR(lt_prog_compiler_wl, $1) eval lt_tmp_static_flag=\"$_LT_AC_TAGVAR(lt_prog_compiler_static, $1)\"
+AC_LIBTOOL_LINKER_OPTION([if $compiler static flag $lt_tmp_static_flag works],
+  _LT_AC_TAGVAR(lt_cv_prog_compiler_static_works, $1),
+  $lt_tmp_static_flag,
+  [],
+  [_LT_AC_TAGVAR(lt_prog_compiler_static, $1)=])
+])
+
+
+# AC_LIBTOOL_PROG_LD_SHLIBS([TAGNAME])
+# ------------------------------------
+# See if the linker supports building shared libraries.
+AC_DEFUN([AC_LIBTOOL_PROG_LD_SHLIBS],
+[AC_REQUIRE([LT_AC_PROG_SED])dnl
+AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries])
+ifelse([$1],[CXX],[
+  _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+  case $host_os in
+  aix[[4-9]]*)
+    # If we're using GNU nm, then we don't want the "-C" option.
+    # -C means demangle to AIX nm, but means don't demangle with GNU nm
+    if $NM -V 2>&1 | grep 'GNU' > /dev/null; then
+      _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\[$]2 == "T") || (\[$]2 == "D") || (\[$]2 == "B")) && ([substr](\[$]3,1,1) != ".")) { print \[$]3 } }'\'' | sort -u > $export_symbols'
+    else
+      _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\[$]2 == "T") || (\[$]2 == "D") || (\[$]2 == "B")) && ([substr](\[$]3,1,1) != ".")) { print \[$]3 } }'\'' | sort -u > $export_symbols'
+    fi
+    ;;
+  pw32*)
+    _LT_AC_TAGVAR(export_symbols_cmds, $1)="$ltdll_cmds"
+  ;;
+  cygwin* | mingw*)
+    _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;/^.*[[ ]]__nm__/s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.*[[ ]]//'\'' | sort | uniq > $export_symbols'
+  ;;
+  linux* | k*bsd*-gnu)
+    _LT_AC_TAGVAR(link_all_deplibs, $1)=no
+  ;;
+  *)
+    _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+  ;;
+  esac
+  _LT_AC_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*']
+],[
+  runpath_var=
+  _LT_AC_TAGVAR(allow_undefined_flag, $1)=
+  _LT_AC_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+  _LT_AC_TAGVAR(archive_cmds, $1)=
+  _LT_AC_TAGVAR(archive_expsym_cmds, $1)=
+  _LT_AC_TAGVAR(old_archive_From_new_cmds, $1)=
+  _LT_AC_TAGVAR(old_archive_from_expsyms_cmds, $1)=
+  _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)=
+  _LT_AC_TAGVAR(whole_archive_flag_spec, $1)=
+  _LT_AC_TAGVAR(thread_safe_flag_spec, $1)=
+  _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)=
+  _LT_AC_TAGVAR(hardcode_libdir_flag_spec_ld, $1)=
+  _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=
+  _LT_AC_TAGVAR(hardcode_direct, $1)=no
+  _LT_AC_TAGVAR(hardcode_minus_L, $1)=no
+  _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+  _LT_AC_TAGVAR(link_all_deplibs, $1)=unknown
+  _LT_AC_TAGVAR(hardcode_automatic, $1)=no
+  _LT_AC_TAGVAR(module_cmds, $1)=
+  _LT_AC_TAGVAR(module_expsym_cmds, $1)=
+  _LT_AC_TAGVAR(always_export_symbols, $1)=no
+  _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+  # include_expsyms should be a list of space-separated symbols to be *always*
+  # included in the symbol list
+  _LT_AC_TAGVAR(include_expsyms, $1)=
+  # exclude_expsyms can be an extended regexp of symbols to exclude
+  # it will be wrapped by ` (' and `)$', so one must not match beginning or
+  # end of line.  Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
+  # as well as any symbol that contains `d'.
+  _LT_AC_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*']
+  # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
+  # platforms (ab)use it in PIC code, but their linkers get confused if
+  # the symbol is explicitly referenced.  Since portable code cannot
+  # rely on this symbol name, it's probably fine to never include it in
+  # preloaded symbol tables.
+  # Exclude shared library initialization/finalization symbols.
+dnl Note also adjust exclude_expsyms for C++ above.
+  extract_expsyms_cmds=
+  # Just being paranoid about ensuring that cc_basename is set.
+  _LT_CC_BASENAME([$compiler])
+  case $host_os in
+  cygwin* | mingw* | pw32*)
+    # FIXME: the MSVC++ port hasn't been tested in a loooong time
+    # When not using gcc, we currently assume that we are using
+    # Microsoft Visual C++.
+    if test "$GCC" != yes; then
+      with_gnu_ld=no
+    fi
+    ;;
+  interix*)
+    # we just hope/assume this is gcc and not c89 (= MSVC++)
+    with_gnu_ld=yes
+    ;;
+  openbsd*)
+    with_gnu_ld=no
+    ;;
+  esac
+
+  _LT_AC_TAGVAR(ld_shlibs, $1)=yes
+  if test "$with_gnu_ld" = yes; then
+    # If archive_cmds runs LD, not CC, wlarc should be empty
+    wlarc='${wl}'
+
+    # Set some defaults for GNU ld with shared library support. These
+    # are reset later if shared libraries are not supported. Putting them
+    # here allows them to be overridden if necessary.
+    runpath_var=LD_RUN_PATH
+    _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath ${wl}$libdir'
+    _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
+    # ancient GNU ld didn't support --whole-archive et. al.
+    if $LD --help 2>&1 | grep 'no-whole-archive' > /dev/null; then
+	_LT_AC_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
+      else
+  	_LT_AC_TAGVAR(whole_archive_flag_spec, $1)=
+    fi
+    supports_anon_versioning=no
+    case `$LD -v 2>/dev/null` in
+      *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.10.*) ;; # catch versions < 2.11
+      *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ...
+      *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ...
+      *\ 2.11.*) ;; # other 2.11 versions
+      *) supports_anon_versioning=yes ;;
+    esac
+
+    # See if GNU ld supports shared libraries.
+    case $host_os in
+    aix[[3-9]]*)
+      # On AIX/PPC, the GNU linker is very broken
+      if test "$host_cpu" != ia64; then
+	_LT_AC_TAGVAR(ld_shlibs, $1)=no
+	cat <<EOF 1>&2
+
+*** Warning: the GNU linker, at least up to release 2.9.1, is reported
+*** to be unable to reliably create shared libraries on AIX.
+*** Therefore, libtool is disabling shared libraries support.  If you
+*** really care for shared libraries, you may want to modify your PATH
+*** so that a non-GNU linker is found, and then restart.
+
+EOF
+      fi
+      ;;
+
+    amigaos*)
+      _LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
+
+      # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
+      # that the semantics of dynamic libraries on AmigaOS, at least up
+      # to version 4, is to share data among multiple programs linked
+      # with the same dynamic library.  Since this doesn't match the
+      # behavior of shared libraries on other platforms, we can't use
+      # them.
+      _LT_AC_TAGVAR(ld_shlibs, $1)=no
+      ;;
+
+    beos*)
+      if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+	_LT_AC_TAGVAR(allow_undefined_flag, $1)=unsupported
+	# Joseph Beckenbach <jrb3@best.com> says some releases of gcc
+	# support --undefined.  This deserves some investigation.  FIXME
+	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+      else
+	_LT_AC_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    cygwin* | mingw* | pw32*)
+      # _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless,
+      # as there is no search path for DLLs.
+      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_AC_TAGVAR(allow_undefined_flag, $1)=unsupported
+      _LT_AC_TAGVAR(always_export_symbols, $1)=no
+      _LT_AC_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+      _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/'\'' -e '\''/^[[AITW]][[ ]]/s/.*[[ ]]//'\'' | sort | uniq > $export_symbols'
+
+      if $LD --help 2>&1 | grep 'auto-import' > /dev/null; then
+        _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+	# If the export-symbols file already is a .def file (1st line
+	# is EXPORTS), use it as is; otherwise, prepend...
+	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
+	  cp $export_symbols $output_objdir/$soname.def;
+	else
+	  echo EXPORTS > $output_objdir/$soname.def;
+	  cat $export_symbols >> $output_objdir/$soname.def;
+	fi~
+	$CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+      else
+	_LT_AC_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    interix[[3-9]]*)
+      _LT_AC_TAGVAR(hardcode_direct, $1)=no
+      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+      _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+      # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+      # Instead, shared libraries are loaded at an image base (0x10000000 by
+      # default) and relocated if they conflict, which is a slow very memory
+      # consuming and fragmenting process.  To avoid this, we pick a random,
+      # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+      # time.  Moving up from 0x10000000 also allows more sbrk(2) space.
+      _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+      _LT_AC_TAGVAR(archive_expsym_cmds, $1)='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+      ;;
+
+    gnu* | linux* | k*bsd*-gnu)
+      if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+	tmp_addflag=
+	case $cc_basename,$host_cpu in
+	pgcc*)				# Portland Group C compiler
+	  _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $echo \"$new_convenience\"` ${wl}--no-whole-archive'
+	  tmp_addflag=' $pic_flag'
+	  ;;
+	pgf77* | pgf90* | pgf95*)	# Portland Group f77 and f90 compilers
+	  _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $echo \"$new_convenience\"` ${wl}--no-whole-archive'
+	  tmp_addflag=' $pic_flag -Mnomain' ;;
+	ecc*,ia64* | icc*,ia64*)		# Intel C compiler on ia64
+	  tmp_addflag=' -i_dynamic' ;;
+	efc*,ia64* | ifort*,ia64*)	# Intel Fortran compiler on ia64
+	  tmp_addflag=' -i_dynamic -nofor_main' ;;
+	ifc* | ifort*)			# Intel Fortran compiler
+	  tmp_addflag=' -nofor_main' ;;
+	esac
+	case `$CC -V 2>&1 | sed 5q` in
+	*Sun\ C*)			# Sun C 5.9
+	  _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; $echo \"$new_convenience\"` ${wl}--no-whole-archive'
+	  tmp_sharedflag='-G' ;;
+	*Sun\ F*)			# Sun Fortran 8.3
+	  tmp_sharedflag='-G' ;;
+	*)
+	  tmp_sharedflag='-shared' ;;
+	esac
+	_LT_AC_TAGVAR(archive_cmds, $1)='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+
+	if test $supports_anon_versioning = yes; then
+	  _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$echo "{ global:" > $output_objdir/$libname.ver~
+  cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+  $echo "local: *; };" >> $output_objdir/$libname.ver~
+	  $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib'
+	fi
+	_LT_AC_TAGVAR(link_all_deplibs, $1)=no
+      else
+	_LT_AC_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    netbsd* | netbsdelf*-gnu)
+      if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
+	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
+	wlarc=
+      else
+	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+      fi
+      ;;
+
+    solaris*)
+      if $LD -v 2>&1 | grep 'BFD 2\.8' > /dev/null; then
+	_LT_AC_TAGVAR(ld_shlibs, $1)=no
+	cat <<EOF 1>&2
+
+*** Warning: The releases 2.8.* of the GNU linker cannot reliably
+*** create shared libraries on Solaris systems.  Therefore, libtool
+*** is disabling shared libraries support.  We urge you to upgrade GNU
+*** binutils to release 2.9.1 or newer.  Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+EOF
+      elif $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+      else
+	_LT_AC_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
+      case `$LD -v 2>&1` in
+        *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.1[[0-5]].*)
+	_LT_AC_TAGVAR(ld_shlibs, $1)=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not
+*** reliably create shared libraries on SCO systems.  Therefore, libtool
+*** is disabling shared libraries support.  We urge you to upgrade GNU
+*** binutils to release 2.16.91.0.3 or newer.  Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+	;;
+	*)
+	  if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+	    _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='`test -z "$SCOABSPATH" && echo ${wl}-rpath,$libdir`'
+	    _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib'
+	    _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname,\${SCOABSPATH:+${install_libdir}/}$soname,-retain-symbols-file,$export_symbols -o $lib'
+	  else
+	    _LT_AC_TAGVAR(ld_shlibs, $1)=no
+	  fi
+	;;
+      esac
+      ;;
+
+    sunos4*)
+      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+      wlarc=
+      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    *)
+      if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+      else
+	_LT_AC_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+    esac
+
+    if test "$_LT_AC_TAGVAR(ld_shlibs, $1)" = no; then
+      runpath_var=
+      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)=
+      _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)=
+      _LT_AC_TAGVAR(whole_archive_flag_spec, $1)=
+    fi
+  else
+    # PORTME fill in a description of your system's linker (not GNU ld)
+    case $host_os in
+    aix3*)
+      _LT_AC_TAGVAR(allow_undefined_flag, $1)=unsupported
+      _LT_AC_TAGVAR(always_export_symbols, $1)=yes
+      _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
+      # Note: this linker hardcodes the directories in LIBPATH if there
+      # are no directories specified by -L.
+      _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
+      if test "$GCC" = yes && test -z "$lt_prog_compiler_static"; then
+	# Neither direct hardcoding nor static linking is supported with a
+	# broken collect2.
+	_LT_AC_TAGVAR(hardcode_direct, $1)=unsupported
+      fi
+      ;;
+
+    aix[[4-9]]*)
+      if test "$host_cpu" = ia64; then
+	# On IA64, the linker does run time linking by default, so we don't
+	# have to do anything special.
+	aix_use_runtimelinking=no
+	exp_sym_flag='-Bexport'
+	no_entry_flag=""
+      else
+	# If we're using GNU nm, then we don't want the "-C" option.
+	# -C means demangle to AIX nm, but means don't demangle with GNU nm
+	if $NM -V 2>&1 | grep 'GNU' > /dev/null; then
+	  _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\[$]2 == "T") || (\[$]2 == "D") || (\[$]2 == "B")) && ([substr](\[$]3,1,1) != ".")) { print \[$]3 } }'\'' | sort -u > $export_symbols'
+	else
+	  _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\[$]2 == "T") || (\[$]2 == "D") || (\[$]2 == "B")) && ([substr](\[$]3,1,1) != ".")) { print \[$]3 } }'\'' | sort -u > $export_symbols'
+	fi
+	aix_use_runtimelinking=no
+
+	# Test if we are trying to use run time linking or normal
+	# AIX style linking. If -brtl is somewhere in LDFLAGS, we
+	# need to do runtime linking.
+	case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*)
+	  for ld_flag in $LDFLAGS; do
+  	  if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
+  	    aix_use_runtimelinking=yes
+  	    break
+  	  fi
+	  done
+	  ;;
+	esac
+
+	exp_sym_flag='-bexport'
+	no_entry_flag='-bnoentry'
+      fi
+
+      # When large executables or shared objects are built, AIX ld can
+      # have problems creating the table of contents.  If linking a library
+      # or program results in "error TOC overflow" add -mminimal-toc to
+      # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
+      # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
+
+      _LT_AC_TAGVAR(archive_cmds, $1)=''
+      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+      _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=':'
+      _LT_AC_TAGVAR(link_all_deplibs, $1)=yes
+
+      if test "$GCC" = yes; then
+	case $host_os in aix4.[[012]]|aix4.[[012]].*)
+	# We only want to do this on AIX 4.2 and lower, the check
+	# below for broken collect2 doesn't work under 4.3+
+	  collect2name=`${CC} -print-prog-name=collect2`
+	  if test -f "$collect2name" && \
+  	   strings "$collect2name" | grep resolve_lib_name >/dev/null
+	  then
+  	  # We have reworked collect2
+  	  :
+	  else
+  	  # We have old collect2
+  	  _LT_AC_TAGVAR(hardcode_direct, $1)=unsupported
+  	  # It fails to find uninstalled libraries when the uninstalled
+  	  # path is not listed in the libpath.  Setting hardcode_minus_L
+  	  # to unsupported forces relinking
+  	  _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
+  	  _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+  	  _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=
+	  fi
+	  ;;
+	esac
+	shared_flag='-shared'
+	if test "$aix_use_runtimelinking" = yes; then
+	  shared_flag="$shared_flag "'${wl}-G'
+	fi
+      else
+	# not using gcc
+	if test "$host_cpu" = ia64; then
+  	# VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
+  	# chokes on -Wl,-G. The following line is correct:
+	  shared_flag='-G'
+	else
+	  if test "$aix_use_runtimelinking" = yes; then
+	    shared_flag='${wl}-G'
+	  else
+	    shared_flag='${wl}-bM:SRE'
+	  fi
+	fi
+      fi
+
+      # It seems that -bexpall does not export symbols beginning with
+      # underscore (_), so it is better to generate a list of symbols to export.
+      _LT_AC_TAGVAR(always_export_symbols, $1)=yes
+      if test "$aix_use_runtimelinking" = yes; then
+	# Warning - without using the other runtime loading flags (-brtl),
+	# -berok will link without error, but may produce a broken library.
+	_LT_AC_TAGVAR(allow_undefined_flag, $1)='-berok'
+       # Determine the default libpath from the value encoded in an empty executable.
+       _LT_AC_SYS_LIBPATH_AIX
+       _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
+	_LT_AC_TAGVAR(archive_expsym_cmds, $1)="\$CC"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then echo "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag"
+       else
+	if test "$host_cpu" = ia64; then
+	  _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $libdir:/usr/lib:/lib'
+	  _LT_AC_TAGVAR(allow_undefined_flag, $1)="-z nodefs"
+	  _LT_AC_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols"
+	else
+	 # Determine the default libpath from the value encoded in an empty executable.
+	 _LT_AC_SYS_LIBPATH_AIX
+	 _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
+	  # Warning - without using the other run time loading flags,
+	  # -berok will link without error, but may produce a broken library.
+	  _LT_AC_TAGVAR(no_undefined_flag, $1)=' ${wl}-bernotok'
+	  _LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-berok'
+	  # Exported symbols can be pulled into shared objects from archives
+	  _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='$convenience'
+	  _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=yes
+	  # This is similar to how AIX traditionally builds its shared libraries.
+	  _LT_AC_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
+	fi
+      fi
+      ;;
+
+    amigaos*)
+      _LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
+      # see comment about different semantics on the GNU ld section
+      _LT_AC_TAGVAR(ld_shlibs, $1)=no
+      ;;
+
+    bsdi[[45]]*)
+      _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)=-rdynamic
+      ;;
+
+    cygwin* | mingw* | pw32*)
+      # When not using gcc, we currently assume that we are using
+      # Microsoft Visual C++.
+      # hardcode_libdir_flag_spec is actually meaningless, as there is
+      # no search path for DLLs.
+      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)=' '
+      _LT_AC_TAGVAR(allow_undefined_flag, $1)=unsupported
+      # Tell ltmain to make .lib files, not .a files.
+      libext=lib
+      # Tell ltmain to make .dll files, not .so files.
+      shrext_cmds=".dll"
+      # FIXME: Setting linknames here is a bad hack.
+      _LT_AC_TAGVAR(archive_cmds, $1)='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | $SED -e '\''s/ -lc$//'\''` -link -dll~linknames='
+      # The linker will automatically build a .lib file if we build a DLL.
+      _LT_AC_TAGVAR(old_archive_From_new_cmds, $1)='true'
+      # FIXME: Should let the user specify the lib program.
+      _LT_AC_TAGVAR(old_archive_cmds, $1)='lib -OUT:$oldlib$oldobjs$old_deplibs'
+      _LT_AC_TAGVAR(fix_srcfile_path, $1)='`cygpath -w "$srcfile"`'
+      _LT_AC_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+      ;;
+
+    darwin* | rhapsody*)
+      case $host_os in
+        rhapsody* | darwin1.[[012]])
+         _LT_AC_TAGVAR(allow_undefined_flag, $1)='${wl}-undefined ${wl}suppress'
+         ;;
+       *) # Darwin 1.3 on
+         if test -z ${MACOSX_DEPLOYMENT_TARGET} ; then
+           _LT_AC_TAGVAR(allow_undefined_flag, $1)='${wl}-flat_namespace ${wl}-undefined ${wl}suppress'
+         else
+           case ${MACOSX_DEPLOYMENT_TARGET} in
+             10.[[012]])
+               _LT_AC_TAGVAR(allow_undefined_flag, $1)='${wl}-flat_namespace ${wl}-undefined ${wl}suppress'
+               ;;
+             10.*)
+               _LT_AC_TAGVAR(allow_undefined_flag, $1)='${wl}-undefined ${wl}dynamic_lookup'
+               ;;
+           esac
+         fi
+         ;;
+      esac
+      _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
+      _LT_AC_TAGVAR(hardcode_direct, $1)=no
+      _LT_AC_TAGVAR(hardcode_automatic, $1)=yes
+      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+      _LT_AC_TAGVAR(whole_archive_flag_spec, $1)=''
+      _LT_AC_TAGVAR(link_all_deplibs, $1)=yes
+    if test "$GCC" = yes ; then
+    	output_verbose_link_cmd='echo'
+        _LT_AC_TAGVAR(archive_cmds, $1)="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}"
+        _LT_AC_TAGVAR(module_cmds, $1)="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}"
+        _LT_AC_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}"
+        _LT_AC_TAGVAR(module_expsym_cmds, $1)="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}"
+    else
+      case $cc_basename in
+        xlc*)
+         output_verbose_link_cmd='echo'
+         _LT_AC_TAGVAR(archive_cmds, $1)='$CC -qmkshrobj $allow_undefined_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-install_name ${wl}`echo $rpath/$soname` $xlcverstring'
+         _LT_AC_TAGVAR(module_cmds, $1)='$CC $allow_undefined_flag -o $lib -bundle $libobjs $deplibs$compiler_flags'
+          # Don't fix this by using the ld -exported_symbols_list flag, it doesn't exist in older darwin lds
+         _LT_AC_TAGVAR(archive_expsym_cmds, $1)='sed -e "s,#.*,," -e "s,^[    ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC -qmkshrobj $allow_undefined_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-install_name ${wl}$rpath/$soname $xlcverstring~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}'
+          _LT_AC_TAGVAR(module_expsym_cmds, $1)='sed -e "s,#.*,," -e "s,^[    ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC $allow_undefined_flag  -o $lib -bundle $libobjs $deplibs$compiler_flags~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}'
+          ;;
+       *)
+         _LT_AC_TAGVAR(ld_shlibs, $1)=no
+          ;;
+      esac
+    fi
+      ;;
+
+    dgux*)
+      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    freebsd1*)
+      _LT_AC_TAGVAR(ld_shlibs, $1)=no
+      ;;
+
+    # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
+    # support.  Future versions do this automatically, but an explicit c++rt0.o
+    # does not break anything, and helps significantly (at the cost of a little
+    # extra space).
+    freebsd2.2*)
+      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
+      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    # Unfortunately, older versions of FreeBSD 2 do not have this feature.
+    freebsd2*)
+      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+      _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
+      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
+    freebsd* | dragonfly*)
+      _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -o $lib $libobjs $deplibs $compiler_flags'
+      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    hpux9*)
+      if test "$GCC" = yes; then
+	_LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/$soname~$CC -shared -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+      else
+	_LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+      fi
+      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
+      _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+
+      # hardcode_minus_L: Not really in the search PATH,
+      # but as the default location of the library.
+      _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
+      _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+      ;;
+
+    hpux10*)
+      if test "$GCC" = yes -a "$with_gnu_ld" = no; then
+	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
+      fi
+      if test "$with_gnu_ld" = no; then
+	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
+	_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	_LT_AC_TAGVAR(hardcode_direct, $1)=yes
+	_LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+
+	# hardcode_minus_L: Not really in the search PATH,
+	# but as the default location of the library.
+	_LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
+      fi
+      ;;
+
+    hpux11*)
+      if test "$GCC" = yes -a "$with_gnu_ld" = no; then
+	case $host_cpu in
+	hppa*64*)
+	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	ia64*)
+	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	*)
+	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	esac
+      else
+	case $host_cpu in
+	hppa*64*)
+	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	ia64*)
+	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	*)
+	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	esac
+      fi
+      if test "$with_gnu_ld" = no; then
+	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
+	_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	case $host_cpu in
+	hppa*64*|ia64*)
+	  _LT_AC_TAGVAR(hardcode_libdir_flag_spec_ld, $1)='+b $libdir'
+	  _LT_AC_TAGVAR(hardcode_direct, $1)=no
+	  _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+	  ;;
+	*)
+	  _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+	  _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+
+	  # hardcode_minus_L: Not really in the search PATH,
+	  # but as the default location of the library.
+	  _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
+	  ;;
+	esac
+      fi
+      ;;
+
+    irix5* | irix6* | nonstopux*)
+      if test "$GCC" = yes; then
+	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+      else
+	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
+	_LT_AC_TAGVAR(hardcode_libdir_flag_spec_ld, $1)='-rpath $libdir'
+      fi
+      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+      _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+      _LT_AC_TAGVAR(link_all_deplibs, $1)=yes
+      ;;
+
+    netbsd* | netbsdelf*-gnu)
+      if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
+	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
+      else
+	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -shared -o $lib $libobjs $deplibs $linker_flags'      # ELF
+      fi
+      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    newsos6)
+      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+      _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    openbsd*)
+      if test -f /usr/libexec/ld.so; then
+	_LT_AC_TAGVAR(hardcode_direct, $1)=yes
+	_LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+	if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+	  _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols'
+	  _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+	  _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+	else
+	  case $host_os in
+	   openbsd[[01]].* | openbsd2.[[0-7]] | openbsd2.[[0-7]].*)
+	     _LT_AC_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+	     _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+	     ;;
+	   *)
+	     _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+	     _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+	     ;;
+	  esac
+        fi
+      else
+	_LT_AC_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    os2*)
+      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
+      _LT_AC_TAGVAR(allow_undefined_flag, $1)=unsupported
+      _LT_AC_TAGVAR(archive_cmds, $1)='$echo "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$echo "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~$echo DATA >> $output_objdir/$libname.def~$echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~$echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def'
+      _LT_AC_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
+      ;;
+
+    osf3*)
+      if test "$GCC" = yes; then
+	_LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
+	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+      else
+	_LT_AC_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
+	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
+      fi
+      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+      _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+      ;;
+
+    osf4* | osf5*)	# as osf3* with the addition of -msym flag
+      if test "$GCC" = yes; then
+	_LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
+	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+      else
+	_LT_AC_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
+	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
+	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; echo "-hidden">> $lib.exp~
+	$LD -shared${allow_undefined_flag} -input $lib.exp $linker_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib~$rm $lib.exp'
+
+	# Both c and cxx compiler support -rpath directly
+	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
+      fi
+      _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
+      ;;
+
+    solaris*)
+      _LT_AC_TAGVAR(no_undefined_flag, $1)=' -z text'
+      if test "$GCC" = yes; then
+	wlarc='${wl}'
+	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
+	  $CC -shared ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$rm $lib.exp'
+      else
+	wlarc=''
+	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
+  	$LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
+      fi
+      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+      case $host_os in
+      solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
+      *)
+	# The compiler driver will combine and reorder linker options,
+	# but understands `-z linker_flag'.  GCC discards it without `$wl',
+	# but is careful enough not to reorder.
+ 	# Supported since Solaris 2.6 (maybe 2.5.1?)
+	if test "$GCC" = yes; then
+	  _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
+	else
+	  _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract'
+	fi
+	;;
+      esac
+      _LT_AC_TAGVAR(link_all_deplibs, $1)=yes
+      ;;
+
+    sunos4*)
+      if test "x$host_vendor" = xsequent; then
+	# Use $CC to link under sequent, because it throws in some extra .o
+	# files that make .init and .fini sections work.
+	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
+      fi
+      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
+      _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
+      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    sysv4)
+      case $host_vendor in
+	sni)
+	  _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  _LT_AC_TAGVAR(hardcode_direct, $1)=yes # is this really true???
+	;;
+	siemens)
+	  ## LD is ld it makes a PLAMLIB
+	  ## CC just makes a GrossModule.
+	  _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -o $lib $libobjs $deplibs $linker_flags'
+	  _LT_AC_TAGVAR(reload_cmds, $1)='$CC -r -o $output$reload_objs'
+	  _LT_AC_TAGVAR(hardcode_direct, $1)=no
+        ;;
+	motorola)
+	  _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  _LT_AC_TAGVAR(hardcode_direct, $1)=no #Motorola manual says yes, but my tests say they lie
+	;;
+      esac
+      runpath_var='LD_RUN_PATH'
+      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    sysv4.3*)
+      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+      _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='-Bexport'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	_LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+	runpath_var=LD_RUN_PATH
+	hardcode_runpath_var=yes
+	_LT_AC_TAGVAR(ld_shlibs, $1)=yes
+      fi
+      ;;
+
+    sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*)
+      _LT_AC_TAGVAR(no_undefined_flag, $1)='${wl}-z,text'
+      _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
+      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+      runpath_var='LD_RUN_PATH'
+
+      if test "$GCC" = yes; then
+	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      fi
+      ;;
+
+    sysv5* | sco3.2v5* | sco5v6*)
+      # Note: We can NOT use -z defs as we might desire, because we do not
+      # link with -lc, and that would cause any symbols used from libc to
+      # always be unresolved, which means just about no library would
+      # ever link correctly.  If we're not using GNU ld we use -z text
+      # though, which does catch some bad symbols but isn't as heavy-handed
+      # as -z defs.
+      _LT_AC_TAGVAR(no_undefined_flag, $1)='${wl}-z,text'
+      _LT_AC_TAGVAR(allow_undefined_flag, $1)='${wl}-z,nodefs'
+      _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
+      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='`test -z "$SCOABSPATH" && echo ${wl}-R,$libdir`'
+      _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=':'
+      _LT_AC_TAGVAR(link_all_deplibs, $1)=yes
+      _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Bexport'
+      runpath_var='LD_RUN_PATH'
+
+      if test "$GCC" = yes; then
+	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib $libobjs $deplibs $compiler_flags'
+      fi
+      ;;
+
+    uts4*)
+      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    *)
+      _LT_AC_TAGVAR(ld_shlibs, $1)=no
+      ;;
+    esac
+  fi
+])
+AC_MSG_RESULT([$_LT_AC_TAGVAR(ld_shlibs, $1)])
+test "$_LT_AC_TAGVAR(ld_shlibs, $1)" = no && can_build_shared=no
+
+#
+# Do we need to explicitly link libc?
+#
+case "x$_LT_AC_TAGVAR(archive_cmds_need_lc, $1)" in
+x|xyes)
+  # Assume -lc should be added
+  _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=yes
+
+  if test "$enable_shared" = yes && test "$GCC" = yes; then
+    case $_LT_AC_TAGVAR(archive_cmds, $1) in
+    *'~'*)
+      # FIXME: we may have to deal with multi-command sequences.
+      ;;
+    '$CC '*)
+      # Test whether the compiler implicitly links with -lc since on some
+      # systems, -lgcc has to come before -lc. If gcc already passes -lc
+      # to ld, don't add -lc before -lgcc.
+      AC_MSG_CHECKING([whether -lc should be explicitly linked in])
+      $rm conftest*
+      echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+      if AC_TRY_EVAL(ac_compile) 2>conftest.err; then
+        soname=conftest
+        lib=conftest
+        libobjs=conftest.$ac_objext
+        deplibs=
+        wl=$_LT_AC_TAGVAR(lt_prog_compiler_wl, $1)
+	pic_flag=$_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)
+        compiler_flags=-v
+        linker_flags=-v
+        verstring=
+        output_objdir=.
+        libname=conftest
+        lt_save_allow_undefined_flag=$_LT_AC_TAGVAR(allow_undefined_flag, $1)
+        _LT_AC_TAGVAR(allow_undefined_flag, $1)=
+        if AC_TRY_EVAL(_LT_AC_TAGVAR(archive_cmds, $1) 2\>\&1 \| grep \" -lc \" \>/dev/null 2\>\&1)
+        then
+	  _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
+        else
+	  _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=yes
+        fi
+        _LT_AC_TAGVAR(allow_undefined_flag, $1)=$lt_save_allow_undefined_flag
+      else
+        cat conftest.err 1>&5
+      fi
+      $rm conftest*
+      AC_MSG_RESULT([$_LT_AC_TAGVAR(archive_cmds_need_lc, $1)])
+      ;;
+    esac
+  fi
+  ;;
+esac
+])# AC_LIBTOOL_PROG_LD_SHLIBS
+
+
+# _LT_AC_FILE_LTDLL_C
+# -------------------
+# Be careful that the start marker always follows a newline.
+AC_DEFUN([_LT_AC_FILE_LTDLL_C], [
+# /* ltdll.c starts here */
+# #define WIN32_LEAN_AND_MEAN
+# #include <windows.h>
+# #undef WIN32_LEAN_AND_MEAN
+# #include <stdio.h>
+#
+# #ifndef __CYGWIN__
+# #  ifdef __CYGWIN32__
+# #    define __CYGWIN__ __CYGWIN32__
+# #  endif
+# #endif
+#
+# #ifdef __cplusplus
+# extern "C" {
+# #endif
+# BOOL APIENTRY DllMain (HINSTANCE hInst, DWORD reason, LPVOID reserved);
+# #ifdef __cplusplus
+# }
+# #endif
+#
+# #ifdef __CYGWIN__
+# #include <cygwin/cygwin_dll.h>
+# DECLARE_CYGWIN_DLL( DllMain );
+# #endif
+# HINSTANCE __hDllInstance_base;
+#
+# BOOL APIENTRY
+# DllMain (HINSTANCE hInst, DWORD reason, LPVOID reserved)
+# {
+#   __hDllInstance_base = hInst;
+#   return TRUE;
+# }
+# /* ltdll.c ends here */
+])# _LT_AC_FILE_LTDLL_C
+
+
+# _LT_AC_TAGVAR(VARNAME, [TAGNAME])
+# ---------------------------------
+AC_DEFUN([_LT_AC_TAGVAR], [ifelse([$2], [], [$1], [$1_$2])])
+
+
+# old names
+AC_DEFUN([AM_PROG_LIBTOOL],   [AC_PROG_LIBTOOL])
+AC_DEFUN([AM_ENABLE_SHARED],  [AC_ENABLE_SHARED($@)])
+AC_DEFUN([AM_ENABLE_STATIC],  [AC_ENABLE_STATIC($@)])
+AC_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)])
+AC_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)])
+AC_DEFUN([AM_PROG_LD],        [AC_PROG_LD])
+AC_DEFUN([AM_PROG_NM],        [AC_PROG_NM])
+
+# This is just to silence aclocal about the macro not being used
+ifelse([AC_DISABLE_FAST_INSTALL])
+
+AC_DEFUN([LT_AC_PROG_GCJ],
+[AC_CHECK_TOOL(GCJ, gcj, no)
+  test "x${GCJFLAGS+set}" = xset || GCJFLAGS="-g -O2"
+  AC_SUBST(GCJFLAGS)
+])
+
+AC_DEFUN([LT_AC_PROG_RC],
+[AC_CHECK_TOOL(RC, windres, no)
+])
+
+
+# Cheap backport of AS_EXECUTABLE_P and required macros
+# from Autoconf 2.59; we should not use $as_executable_p directly.
+
+# _AS_TEST_PREPARE
+# ----------------
+m4_ifndef([_AS_TEST_PREPARE],
+[m4_defun([_AS_TEST_PREPARE],
+[if test -x / >/dev/null 2>&1; then
+  as_executable_p='test -x'
+else
+  as_executable_p='test -f'
+fi
+])])# _AS_TEST_PREPARE
+
+# AS_EXECUTABLE_P
+# ---------------
+# Check whether a file is executable.
+m4_ifndef([AS_EXECUTABLE_P],
+[m4_defun([AS_EXECUTABLE_P],
+[AS_REQUIRE([_AS_TEST_PREPARE])dnl
+$as_executable_p $1[]dnl
+])])# AS_EXECUTABLE_P
+
+############################################################
+# NOTE: This macro has been submitted for inclusion into   #
+#  GNU Autoconf as AC_PROG_SED.  When it is available in   #
+#  a released version of Autoconf we should remove this    #
+#  macro and use it instead.                               #
+############################################################
+# LT_AC_PROG_SED
+# --------------
+# Check for a fully-functional sed program, that truncates
+# as few characters as possible.  Prefer GNU sed if found.
+AC_DEFUN([LT_AC_PROG_SED],
+[AC_MSG_CHECKING([for a sed that does not truncate output])
+AC_CACHE_VAL(lt_cv_path_SED,
+[# Loop through the user's path and test for sed and gsed.
+# Then use that list of sed's as ones to test for truncation.
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for lt_ac_prog in sed gsed; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      if AS_EXECUTABLE_P(["$as_dir/$lt_ac_prog$ac_exec_ext"]); then
+        lt_ac_sed_list="$lt_ac_sed_list $as_dir/$lt_ac_prog$ac_exec_ext"
+      fi
+    done
+  done
+done
+IFS=$as_save_IFS
+lt_ac_max=0
+lt_ac_count=0
+# Add /usr/xpg4/bin/sed as it is typically found on Solaris
+# along with /bin/sed that truncates output.
+for lt_ac_sed in $lt_ac_sed_list /usr/xpg4/bin/sed; do
+  test ! -f $lt_ac_sed && continue
+  cat /dev/null > conftest.in
+  lt_ac_count=0
+  echo $ECHO_N "0123456789$ECHO_C" >conftest.in
+  # Check for GNU sed and select it if it is found.
+  if "$lt_ac_sed" --version 2>&1 < /dev/null | grep 'GNU' > /dev/null; then
+    lt_cv_path_SED=$lt_ac_sed
+    break
+  fi
+  while true; do
+    cat conftest.in conftest.in >conftest.tmp
+    mv conftest.tmp conftest.in
+    cp conftest.in conftest.nl
+    echo >>conftest.nl
+    $lt_ac_sed -e 's/a$//' < conftest.nl >conftest.out || break
+    cmp -s conftest.out conftest.nl || break
+    # 10000 chars as input seems more than enough
+    test $lt_ac_count -gt 10 && break
+    lt_ac_count=`expr $lt_ac_count + 1`
+    if test $lt_ac_count -gt $lt_ac_max; then
+      lt_ac_max=$lt_ac_count
+      lt_cv_path_SED=$lt_ac_sed
+    fi
+  done
+done
+])
+SED=$lt_cv_path_SED
+AC_SUBST([SED])
+AC_MSG_RESULT([$SED])
+])
diff --git a/autoconf.mk.in b/autoconf.mk.in
new file mode 100644
index 00000000..eb213ff2
--- /dev/null
+++ b/autoconf.mk.in
@@ -0,0 +1,30 @@
+PACKAGE_TARNAME=@PACKAGE_TARNAME@
+PACKAGE_VERSION=@PACKAGE_VERSION@
+top_builddir=@top_builddir@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+bindir=@bindir@
+libdir=@libdir@
+includedir=@includedir@
+datarootdir=@datarootdir@
+mandir=@mandir@
+docdir=@docdir@
+htmldir=@htmldir@
+pdfdir=@pdfdir
+CC=@CC@
+CFLAGS=@CFLAGS@
+LDFLAGS=@LDFLAGS@
+LIBS=@LIBS@
+CPPFLAGS=@CPPFLAGS@
+CXX=@CXX@
+CXXFLAGS=@CXXFLAGS@
+GENDEPS=@GENDEPS@
+LIBTOOL=@LIBTOOL@
+DOCBOOKX_DTD=@DOCBOOKX_DTD@
+FOP=@FOP@
+XSLTPROC=@XSLTPROC@
+XMLLINT=@XMLLINT@
+BUILD_HTML=@BUILD_HTML@
+BUILD_PDF=@BUILD_PDF@
+VALIDATE_DOC=@VALIDATE_DOC@
+SKIP_TEST_COMPARE_IMAGES=@SKIP_TEST_COMPARE_IMAGES@
diff --git a/config.guess b/config.guess
new file mode 100755
index 00000000..f32079ab
--- /dev/null
+++ b/config.guess
@@ -0,0 +1,1526 @@
+#! /bin/sh
+# Attempt to guess a canonical system name.
+#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+#   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+#   Free Software Foundation, Inc.
+
+timestamp='2008-01-23'
+
+# This file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+# 02110-1301, USA.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+
+# Originally written by Per Bothner <per@bothner.com>.
+# Please send patches to <config-patches@gnu.org>.  Submit a context
+# diff and a properly formatted ChangeLog entry.
+#
+# This script attempts to guess a canonical system name similar to
+# config.sub.  If it succeeds, it prints the system name on stdout, and
+# exits with 0.  Otherwise, it exits with 1.
+#
+# The plan is that this can be called by configure scripts if you
+# don't specify an explicit build system type.
+
+me=`echo "$0" | sed -e 's,.*/,,'`
+
+usage="\
+Usage: $0 [OPTION]
+
+Output the configuration name of the system \`$me' is run on.
+
+Operation modes:
+  -h, --help         print this help, then exit
+  -t, --time-stamp   print date of last modification, then exit
+  -v, --version      print version number, then exit
+
+Report bugs and patches to <config-patches@gnu.org>."
+
+version="\
+GNU config.guess ($timestamp)
+
+Originally written by Per Bothner.
+Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
+2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+
+This is free software; see the source for copying conditions.  There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
+
+help="
+Try \`$me --help' for more information."
+
+# Parse command line
+while test $# -gt 0 ; do
+  case $1 in
+    --time-stamp | --time* | -t )
+       echo "$timestamp" ; exit ;;
+    --version | -v )
+       echo "$version" ; exit ;;
+    --help | --h* | -h )
+       echo "$usage"; exit ;;
+    -- )     # Stop option processing
+       shift; break ;;
+    - )	# Use stdin as input.
+       break ;;
+    -* )
+       echo "$me: invalid option $1$help" >&2
+       exit 1 ;;
+    * )
+       break ;;
+  esac
+done
+
+if test $# != 0; then
+  echo "$me: too many arguments$help" >&2
+  exit 1
+fi
+
+trap 'exit 1' 1 2 15
+
+# CC_FOR_BUILD -- compiler used by this script. Note that the use of a
+# compiler to aid in system detection is discouraged as it requires
+# temporary files to be created and, as you can see below, it is a
+# headache to deal with in a portable fashion.
+
+# Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. We still
+# use `HOST_CC' if defined, but it is deprecated.
+
+# Portable tmp directory creation inspired by the Autoconf team.
+
+set_cc_for_build='
+trap "exitcode=\$?; (rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null) && exit \$exitcode" 0 ;
+trap "rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null; exit 1" 1 2 13 15 ;
+: ${TMPDIR=/tmp} ;
+ { tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } ||
+ { test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir $tmp) ; } ||
+ { tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir $tmp) && echo "Warning: creating insecure temp directory" >&2 ; } ||
+ { echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; } ;
+dummy=$tmp/dummy ;
+tmpfiles="$dummy.c $dummy.o $dummy.rel $dummy" ;
+case $CC_FOR_BUILD,$HOST_CC,$CC in
+ ,,)    echo "int x;" > $dummy.c ;
+	for c in cc gcc c89 c99 ; do
+	  if ($c -c -o $dummy.o $dummy.c) >/dev/null 2>&1 ; then
+	     CC_FOR_BUILD="$c"; break ;
+	  fi ;
+	done ;
+	if test x"$CC_FOR_BUILD" = x ; then
+	  CC_FOR_BUILD=no_compiler_found ;
+	fi
+	;;
+ ,,*)   CC_FOR_BUILD=$CC ;;
+ ,*,*)  CC_FOR_BUILD=$HOST_CC ;;
+esac ; set_cc_for_build= ;'
+
+# This is needed to find uname on a Pyramid OSx when run in the BSD universe.
+# (ghazi@noc.rutgers.edu 1994-08-24)
+if (test -f /.attbin/uname) >/dev/null 2>&1 ; then
+	PATH=$PATH:/.attbin ; export PATH
+fi
+
+UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown
+UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown
+UNAME_SYSTEM=`(uname -s) 2>/dev/null`  || UNAME_SYSTEM=unknown
+UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown
+
+# Note: order is significant - the case branches are not exclusive.
+
+case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
+    *:NetBSD:*:*)
+	# NetBSD (nbsd) targets should (where applicable) match one or
+	# more of the tupples: *-*-netbsdelf*, *-*-netbsdaout*,
+	# *-*-netbsdecoff* and *-*-netbsd*.  For targets that recently
+	# switched to ELF, *-*-netbsd* would select the old
+	# object file format.  This provides both forward
+	# compatibility and a consistent mechanism for selecting the
+	# object file format.
+	#
+	# Note: NetBSD doesn't particularly care about the vendor
+	# portion of the name.  We always set it to "unknown".
+	sysctl="sysctl -n hw.machine_arch"
+	UNAME_MACHINE_ARCH=`(/sbin/$sysctl 2>/dev/null || \
+	    /usr/sbin/$sysctl 2>/dev/null || echo unknown)`
+	case "${UNAME_MACHINE_ARCH}" in
+	    armeb) machine=armeb-unknown ;;
+	    arm*) machine=arm-unknown ;;
+	    sh3el) machine=shl-unknown ;;
+	    sh3eb) machine=sh-unknown ;;
+	    sh5el) machine=sh5le-unknown ;;
+	    *) machine=${UNAME_MACHINE_ARCH}-unknown ;;
+	esac
+	# The Operating System including object format, if it has switched
+	# to ELF recently, or will in the future.
+	case "${UNAME_MACHINE_ARCH}" in
+	    arm*|i386|m68k|ns32k|sh3*|sparc|vax)
+		eval $set_cc_for_build
+		if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
+			| grep __ELF__ >/dev/null
+		then
+		    # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout).
+		    # Return netbsd for either.  FIX?
+		    os=netbsd
+		else
+		    os=netbsdelf
+		fi
+		;;
+	    *)
+	        os=netbsd
+		;;
+	esac
+	# The OS release
+	# Debian GNU/NetBSD machines have a different userland, and
+	# thus, need a distinct triplet. However, they do not need
+	# kernel version information, so it can be replaced with a
+	# suitable tag, in the style of linux-gnu.
+	case "${UNAME_VERSION}" in
+	    Debian*)
+		release='-gnu'
+		;;
+	    *)
+		release=`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
+		;;
+	esac
+	# Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM:
+	# contains redundant information, the shorter form:
+	# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
+	echo "${machine}-${os}${release}"
+	exit ;;
+    *:OpenBSD:*:*)
+	UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'`
+	echo ${UNAME_MACHINE_ARCH}-unknown-openbsd${UNAME_RELEASE}
+	exit ;;
+    *:ekkoBSD:*:*)
+	echo ${UNAME_MACHINE}-unknown-ekkobsd${UNAME_RELEASE}
+	exit ;;
+    *:SolidBSD:*:*)
+	echo ${UNAME_MACHINE}-unknown-solidbsd${UNAME_RELEASE}
+	exit ;;
+    macppc:MirBSD:*:*)
+	echo powerpc-unknown-mirbsd${UNAME_RELEASE}
+	exit ;;
+    *:MirBSD:*:*)
+	echo ${UNAME_MACHINE}-unknown-mirbsd${UNAME_RELEASE}
+	exit ;;
+    alpha:OSF1:*:*)
+	case $UNAME_RELEASE in
+	*4.0)
+		UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'`
+		;;
+	*5.*)
+	        UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'`
+		;;
+	esac
+	# According to Compaq, /usr/sbin/psrinfo has been available on
+	# OSF/1 and Tru64 systems produced since 1995.  I hope that
+	# covers most systems running today.  This code pipes the CPU
+	# types through head -n 1, so we only detect the type of CPU 0.
+	ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^  The alpha \(.*\) processor.*$/\1/p' | head -n 1`
+	case "$ALPHA_CPU_TYPE" in
+	    "EV4 (21064)")
+		UNAME_MACHINE="alpha" ;;
+	    "EV4.5 (21064)")
+		UNAME_MACHINE="alpha" ;;
+	    "LCA4 (21066/21068)")
+		UNAME_MACHINE="alpha" ;;
+	    "EV5 (21164)")
+		UNAME_MACHINE="alphaev5" ;;
+	    "EV5.6 (21164A)")
+		UNAME_MACHINE="alphaev56" ;;
+	    "EV5.6 (21164PC)")
+		UNAME_MACHINE="alphapca56" ;;
+	    "EV5.7 (21164PC)")
+		UNAME_MACHINE="alphapca57" ;;
+	    "EV6 (21264)")
+		UNAME_MACHINE="alphaev6" ;;
+	    "EV6.7 (21264A)")
+		UNAME_MACHINE="alphaev67" ;;
+	    "EV6.8CB (21264C)")
+		UNAME_MACHINE="alphaev68" ;;
+	    "EV6.8AL (21264B)")
+		UNAME_MACHINE="alphaev68" ;;
+	    "EV6.8CX (21264D)")
+		UNAME_MACHINE="alphaev68" ;;
+	    "EV6.9A (21264/EV69A)")
+		UNAME_MACHINE="alphaev69" ;;
+	    "EV7 (21364)")
+		UNAME_MACHINE="alphaev7" ;;
+	    "EV7.9 (21364A)")
+		UNAME_MACHINE="alphaev79" ;;
+	esac
+	# A Pn.n version is a patched version.
+	# A Vn.n version is a released version.
+	# A Tn.n version is a released field test version.
+	# A Xn.n version is an unreleased experimental baselevel.
+	# 1.2 uses "1.2" for uname -r.
+	echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[PVTX]//' | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
+	exit ;;
+    Alpha\ *:Windows_NT*:*)
+	# How do we know it's Interix rather than the generic POSIX subsystem?
+	# Should we change UNAME_MACHINE based on the output of uname instead
+	# of the specific Alpha model?
+	echo alpha-pc-interix
+	exit ;;
+    21064:Windows_NT:50:3)
+	echo alpha-dec-winnt3.5
+	exit ;;
+    Amiga*:UNIX_System_V:4.0:*)
+	echo m68k-unknown-sysv4
+	exit ;;
+    *:[Aa]miga[Oo][Ss]:*:*)
+	echo ${UNAME_MACHINE}-unknown-amigaos
+	exit ;;
+    *:[Mm]orph[Oo][Ss]:*:*)
+	echo ${UNAME_MACHINE}-unknown-morphos
+	exit ;;
+    *:OS/390:*:*)
+	echo i370-ibm-openedition
+	exit ;;
+    *:z/VM:*:*)
+	echo s390-ibm-zvmoe
+	exit ;;
+    *:OS400:*:*)
+        echo powerpc-ibm-os400
+	exit ;;
+    arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
+	echo arm-acorn-riscix${UNAME_RELEASE}
+	exit ;;
+    arm:riscos:*:*|arm:RISCOS:*:*)
+	echo arm-unknown-riscos
+	exit ;;
+    SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*)
+	echo hppa1.1-hitachi-hiuxmpp
+	exit ;;
+    Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*)
+	# akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE.
+	if test "`(/bin/universe) 2>/dev/null`" = att ; then
+		echo pyramid-pyramid-sysv3
+	else
+		echo pyramid-pyramid-bsd
+	fi
+	exit ;;
+    NILE*:*:*:dcosx)
+	echo pyramid-pyramid-svr4
+	exit ;;
+    DRS?6000:unix:4.0:6*)
+	echo sparc-icl-nx6
+	exit ;;
+    DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*)
+	case `/usr/bin/uname -p` in
+	    sparc) echo sparc-icl-nx7; exit ;;
+	esac ;;
+    sun4H:SunOS:5.*:*)
+	echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	exit ;;
+    sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
+	echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	exit ;;
+    i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*)
+	echo i386-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	exit ;;
+    sun4*:SunOS:6*:*)
+	# According to config.sub, this is the proper way to canonicalize
+	# SunOS6.  Hard to guess exactly what SunOS6 will be like, but
+	# it's likely to be more like Solaris than SunOS4.
+	echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	exit ;;
+    sun4*:SunOS:*:*)
+	case "`/usr/bin/arch -k`" in
+	    Series*|S4*)
+		UNAME_RELEASE=`uname -v`
+		;;
+	esac
+	# Japanese Language versions have a version number like `4.1.3-JL'.
+	echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'`
+	exit ;;
+    sun3*:SunOS:*:*)
+	echo m68k-sun-sunos${UNAME_RELEASE}
+	exit ;;
+    sun*:*:4.2BSD:*)
+	UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null`
+	test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3
+	case "`/bin/arch`" in
+	    sun3)
+		echo m68k-sun-sunos${UNAME_RELEASE}
+		;;
+	    sun4)
+		echo sparc-sun-sunos${UNAME_RELEASE}
+		;;
+	esac
+	exit ;;
+    aushp:SunOS:*:*)
+	echo sparc-auspex-sunos${UNAME_RELEASE}
+	exit ;;
+    # The situation for MiNT is a little confusing.  The machine name
+    # can be virtually everything (everything which is not
+    # "atarist" or "atariste" at least should have a processor
+    # > m68000).  The system name ranges from "MiNT" over "FreeMiNT"
+    # to the lowercase version "mint" (or "freemint").  Finally
+    # the system name "TOS" denotes a system which is actually not
+    # MiNT.  But MiNT is downward compatible to TOS, so this should
+    # be no problem.
+    atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*)
+        echo m68k-atari-mint${UNAME_RELEASE}
+	exit ;;
+    atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*)
+	echo m68k-atari-mint${UNAME_RELEASE}
+        exit ;;
+    *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*)
+        echo m68k-atari-mint${UNAME_RELEASE}
+	exit ;;
+    milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*)
+        echo m68k-milan-mint${UNAME_RELEASE}
+        exit ;;
+    hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*)
+        echo m68k-hades-mint${UNAME_RELEASE}
+        exit ;;
+    *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*)
+        echo m68k-unknown-mint${UNAME_RELEASE}
+        exit ;;
+    m68k:machten:*:*)
+	echo m68k-apple-machten${UNAME_RELEASE}
+	exit ;;
+    powerpc:machten:*:*)
+	echo powerpc-apple-machten${UNAME_RELEASE}
+	exit ;;
+    RISC*:Mach:*:*)
+	echo mips-dec-mach_bsd4.3
+	exit ;;
+    RISC*:ULTRIX:*:*)
+	echo mips-dec-ultrix${UNAME_RELEASE}
+	exit ;;
+    VAX*:ULTRIX*:*:*)
+	echo vax-dec-ultrix${UNAME_RELEASE}
+	exit ;;
+    2020:CLIX:*:* | 2430:CLIX:*:*)
+	echo clipper-intergraph-clix${UNAME_RELEASE}
+	exit ;;
+    mips:*:*:UMIPS | mips:*:*:RISCos)
+	eval $set_cc_for_build
+	sed 's/^	//' << EOF >$dummy.c
+#ifdef __cplusplus
+#include <stdio.h>  /* for printf() prototype */
+	int main (int argc, char *argv[]) {
+#else
+	int main (argc, argv) int argc; char *argv[]; {
+#endif
+	#if defined (host_mips) && defined (MIPSEB)
+	#if defined (SYSTYPE_SYSV)
+	  printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0);
+	#endif
+	#if defined (SYSTYPE_SVR4)
+	  printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0);
+	#endif
+	#if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD)
+	  printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0);
+	#endif
+	#endif
+	  exit (-1);
+	}
+EOF
+	$CC_FOR_BUILD -o $dummy $dummy.c &&
+	  dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` &&
+	  SYSTEM_NAME=`$dummy $dummyarg` &&
+	    { echo "$SYSTEM_NAME"; exit; }
+	echo mips-mips-riscos${UNAME_RELEASE}
+	exit ;;
+    Motorola:PowerMAX_OS:*:*)
+	echo powerpc-motorola-powermax
+	exit ;;
+    Motorola:*:4.3:PL8-*)
+	echo powerpc-harris-powermax
+	exit ;;
+    Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*)
+	echo powerpc-harris-powermax
+	exit ;;
+    Night_Hawk:Power_UNIX:*:*)
+	echo powerpc-harris-powerunix
+	exit ;;
+    m88k:CX/UX:7*:*)
+	echo m88k-harris-cxux7
+	exit ;;
+    m88k:*:4*:R4*)
+	echo m88k-motorola-sysv4
+	exit ;;
+    m88k:*:3*:R3*)
+	echo m88k-motorola-sysv3
+	exit ;;
+    AViiON:dgux:*:*)
+        # DG/UX returns AViiON for all architectures
+        UNAME_PROCESSOR=`/usr/bin/uname -p`
+	if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ]
+	then
+	    if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \
+	       [ ${TARGET_BINARY_INTERFACE}x = x ]
+	    then
+		echo m88k-dg-dgux${UNAME_RELEASE}
+	    else
+		echo m88k-dg-dguxbcs${UNAME_RELEASE}
+	    fi
+	else
+	    echo i586-dg-dgux${UNAME_RELEASE}
+	fi
+ 	exit ;;
+    M88*:DolphinOS:*:*)	# DolphinOS (SVR3)
+	echo m88k-dolphin-sysv3
+	exit ;;
+    M88*:*:R3*:*)
+	# Delta 88k system running SVR3
+	echo m88k-motorola-sysv3
+	exit ;;
+    XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3)
+	echo m88k-tektronix-sysv3
+	exit ;;
+    Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD)
+	echo m68k-tektronix-bsd
+	exit ;;
+    *:IRIX*:*:*)
+	echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'`
+	exit ;;
+    ????????:AIX?:[12].1:2)   # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX.
+	echo romp-ibm-aix     # uname -m gives an 8 hex-code CPU id
+	exit ;;               # Note that: echo "'`uname -s`'" gives 'AIX '
+    i*86:AIX:*:*)
+	echo i386-ibm-aix
+	exit ;;
+    ia64:AIX:*:*)
+	if [ -x /usr/bin/oslevel ] ; then
+		IBM_REV=`/usr/bin/oslevel`
+	else
+		IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
+	fi
+	echo ${UNAME_MACHINE}-ibm-aix${IBM_REV}
+	exit ;;
+    *:AIX:2:3)
+	if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
+		eval $set_cc_for_build
+		sed 's/^		//' << EOF >$dummy.c
+		#include <sys/systemcfg.h>
+
+		main()
+			{
+			if (!__power_pc())
+				exit(1);
+			puts("powerpc-ibm-aix3.2.5");
+			exit(0);
+			}
+EOF
+		if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy`
+		then
+			echo "$SYSTEM_NAME"
+		else
+			echo rs6000-ibm-aix3.2.5
+		fi
+	elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then
+		echo rs6000-ibm-aix3.2.4
+	else
+		echo rs6000-ibm-aix3.2
+	fi
+	exit ;;
+    *:AIX:*:[456])
+	IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'`
+	if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then
+		IBM_ARCH=rs6000
+	else
+		IBM_ARCH=powerpc
+	fi
+	if [ -x /usr/bin/oslevel ] ; then
+		IBM_REV=`/usr/bin/oslevel`
+	else
+		IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
+	fi
+	echo ${IBM_ARCH}-ibm-aix${IBM_REV}
+	exit ;;
+    *:AIX:*:*)
+	echo rs6000-ibm-aix
+	exit ;;
+    ibmrt:4.4BSD:*|romp-ibm:BSD:*)
+	echo romp-ibm-bsd4.4
+	exit ;;
+    ibmrt:*BSD:*|romp-ibm:BSD:*)            # covers RT/PC BSD and
+	echo romp-ibm-bsd${UNAME_RELEASE}   # 4.3 with uname added to
+	exit ;;                             # report: romp-ibm BSD 4.3
+    *:BOSX:*:*)
+	echo rs6000-bull-bosx
+	exit ;;
+    DPX/2?00:B.O.S.:*:*)
+	echo m68k-bull-sysv3
+	exit ;;
+    9000/[34]??:4.3bsd:1.*:*)
+	echo m68k-hp-bsd
+	exit ;;
+    hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*)
+	echo m68k-hp-bsd4.4
+	exit ;;
+    9000/[34678]??:HP-UX:*:*)
+	HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
+	case "${UNAME_MACHINE}" in
+	    9000/31? )            HP_ARCH=m68000 ;;
+	    9000/[34]?? )         HP_ARCH=m68k ;;
+	    9000/[678][0-9][0-9])
+		if [ -x /usr/bin/getconf ]; then
+		    sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null`
+                    sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null`
+                    case "${sc_cpu_version}" in
+                      523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0
+                      528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1
+                      532)                      # CPU_PA_RISC2_0
+                        case "${sc_kernel_bits}" in
+                          32) HP_ARCH="hppa2.0n" ;;
+                          64) HP_ARCH="hppa2.0w" ;;
+			  '') HP_ARCH="hppa2.0" ;;   # HP-UX 10.20
+                        esac ;;
+                    esac
+		fi
+		if [ "${HP_ARCH}" = "" ]; then
+		    eval $set_cc_for_build
+		    sed 's/^              //' << EOF >$dummy.c
+
+              #define _HPUX_SOURCE
+              #include <stdlib.h>
+              #include <unistd.h>
+
+              int main ()
+              {
+              #if defined(_SC_KERNEL_BITS)
+                  long bits = sysconf(_SC_KERNEL_BITS);
+              #endif
+                  long cpu  = sysconf (_SC_CPU_VERSION);
+
+                  switch (cpu)
+              	{
+              	case CPU_PA_RISC1_0: puts ("hppa1.0"); break;
+              	case CPU_PA_RISC1_1: puts ("hppa1.1"); break;
+              	case CPU_PA_RISC2_0:
+              #if defined(_SC_KERNEL_BITS)
+              	    switch (bits)
+              		{
+              		case 64: puts ("hppa2.0w"); break;
+              		case 32: puts ("hppa2.0n"); break;
+              		default: puts ("hppa2.0"); break;
+              		} break;
+              #else  /* !defined(_SC_KERNEL_BITS) */
+              	    puts ("hppa2.0"); break;
+              #endif
+              	default: puts ("hppa1.0"); break;
+              	}
+                  exit (0);
+              }
+EOF
+		    (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy`
+		    test -z "$HP_ARCH" && HP_ARCH=hppa
+		fi ;;
+	esac
+	if [ ${HP_ARCH} = "hppa2.0w" ]
+	then
+	    eval $set_cc_for_build
+
+	    # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating
+	    # 32-bit code.  hppa64-hp-hpux* has the same kernel and a compiler
+	    # generating 64-bit code.  GNU and HP use different nomenclature:
+	    #
+	    # $ CC_FOR_BUILD=cc ./config.guess
+	    # => hppa2.0w-hp-hpux11.23
+	    # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess
+	    # => hppa64-hp-hpux11.23
+
+	    if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) |
+		grep __LP64__ >/dev/null
+	    then
+		HP_ARCH="hppa2.0w"
+	    else
+		HP_ARCH="hppa64"
+	    fi
+	fi
+	echo ${HP_ARCH}-hp-hpux${HPUX_REV}
+	exit ;;
+    ia64:HP-UX:*:*)
+	HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
+	echo ia64-hp-hpux${HPUX_REV}
+	exit ;;
+    3050*:HI-UX:*:*)
+	eval $set_cc_for_build
+	sed 's/^	//' << EOF >$dummy.c
+	#include <unistd.h>
+	int
+	main ()
+	{
+	  long cpu = sysconf (_SC_CPU_VERSION);
+	  /* The order matters, because CPU_IS_HP_MC68K erroneously returns
+	     true for CPU_PA_RISC1_0.  CPU_IS_PA_RISC returns correct
+	     results, however.  */
+	  if (CPU_IS_PA_RISC (cpu))
+	    {
+	      switch (cpu)
+		{
+		  case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break;
+		  case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break;
+		  case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break;
+		  default: puts ("hppa-hitachi-hiuxwe2"); break;
+		}
+	    }
+	  else if (CPU_IS_HP_MC68K (cpu))
+	    puts ("m68k-hitachi-hiuxwe2");
+	  else puts ("unknown-hitachi-hiuxwe2");
+	  exit (0);
+	}
+EOF
+	$CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` &&
+		{ echo "$SYSTEM_NAME"; exit; }
+	echo unknown-hitachi-hiuxwe2
+	exit ;;
+    9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* )
+	echo hppa1.1-hp-bsd
+	exit ;;
+    9000/8??:4.3bsd:*:*)
+	echo hppa1.0-hp-bsd
+	exit ;;
+    *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*)
+	echo hppa1.0-hp-mpeix
+	exit ;;
+    hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* )
+	echo hppa1.1-hp-osf
+	exit ;;
+    hp8??:OSF1:*:*)
+	echo hppa1.0-hp-osf
+	exit ;;
+    i*86:OSF1:*:*)
+	if [ -x /usr/sbin/sysversion ] ; then
+	    echo ${UNAME_MACHINE}-unknown-osf1mk
+	else
+	    echo ${UNAME_MACHINE}-unknown-osf1
+	fi
+	exit ;;
+    parisc*:Lites*:*:*)
+	echo hppa1.1-hp-lites
+	exit ;;
+    C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*)
+	echo c1-convex-bsd
+        exit ;;
+    C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*)
+	if getsysinfo -f scalar_acc
+	then echo c32-convex-bsd
+	else echo c2-convex-bsd
+	fi
+        exit ;;
+    C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*)
+	echo c34-convex-bsd
+        exit ;;
+    C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*)
+	echo c38-convex-bsd
+        exit ;;
+    C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*)
+	echo c4-convex-bsd
+        exit ;;
+    CRAY*Y-MP:*:*:*)
+	echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+	exit ;;
+    CRAY*[A-Z]90:*:*:*)
+	echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \
+	| sed -e 's/CRAY.*\([A-Z]90\)/\1/' \
+	      -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \
+	      -e 's/\.[^.]*$/.X/'
+	exit ;;
+    CRAY*TS:*:*:*)
+	echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+	exit ;;
+    CRAY*T3E:*:*:*)
+	echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+	exit ;;
+    CRAY*SV1:*:*:*)
+	echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+	exit ;;
+    *:UNICOS/mp:*:*)
+	echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+	exit ;;
+    F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*)
+	FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
+        FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
+        FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'`
+        echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
+        exit ;;
+    5000:UNIX_System_V:4.*:*)
+        FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
+        FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'`
+        echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
+	exit ;;
+    i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*)
+	echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE}
+	exit ;;
+    sparc*:BSD/OS:*:*)
+	echo sparc-unknown-bsdi${UNAME_RELEASE}
+	exit ;;
+    *:BSD/OS:*:*)
+	echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE}
+	exit ;;
+    *:FreeBSD:*:*)
+	case ${UNAME_MACHINE} in
+	    pc98)
+		echo i386-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
+	    amd64)
+		echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
+	    *)
+		echo ${UNAME_MACHINE}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
+	esac
+	exit ;;
+    i*:CYGWIN*:*)
+	echo ${UNAME_MACHINE}-pc-cygwin
+	exit ;;
+    *:MINGW*:*)
+	echo ${UNAME_MACHINE}-pc-mingw32
+	exit ;;
+    i*:windows32*:*)
+    	# uname -m includes "-pc" on this system.
+    	echo ${UNAME_MACHINE}-mingw32
+	exit ;;
+    i*:PW*:*)
+	echo ${UNAME_MACHINE}-pc-pw32
+	exit ;;
+    *:Interix*:[3456]*)
+    	case ${UNAME_MACHINE} in
+	    x86)
+		echo i586-pc-interix${UNAME_RELEASE}
+		exit ;;
+	    EM64T | authenticamd)
+		echo x86_64-unknown-interix${UNAME_RELEASE}
+		exit ;;
+	    IA64)
+		echo ia64-unknown-interix${UNAME_RELEASE}
+		exit ;;
+	esac ;;
+    [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*)
+	echo i${UNAME_MACHINE}-pc-mks
+	exit ;;
+    i*:Windows_NT*:* | Pentium*:Windows_NT*:*)
+	# How do we know it's Interix rather than the generic POSIX subsystem?
+	# It also conflicts with pre-2.0 versions of AT&T UWIN. Should we
+	# UNAME_MACHINE based on the output of uname instead of i386?
+	echo i586-pc-interix
+	exit ;;
+    i*:UWIN*:*)
+	echo ${UNAME_MACHINE}-pc-uwin
+	exit ;;
+    amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*)
+	echo x86_64-unknown-cygwin
+	exit ;;
+    p*:CYGWIN*:*)
+	echo powerpcle-unknown-cygwin
+	exit ;;
+    prep*:SunOS:5.*:*)
+	echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	exit ;;
+    *:GNU:*:*)
+	# the GNU system
+	echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'`
+	exit ;;
+    *:GNU/*:*:*)
+	# other systems with GNU libc and userland
+	echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-gnu
+	exit ;;
+    i*86:Minix:*:*)
+	echo ${UNAME_MACHINE}-pc-minix
+	exit ;;
+    arm*:Linux:*:*)
+	eval $set_cc_for_build
+	if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \
+	    | grep -q __ARM_EABI__
+	then
+	    echo ${UNAME_MACHINE}-unknown-linux-gnu
+	else
+	    echo ${UNAME_MACHINE}-unknown-linux-gnueabi
+	fi
+	exit ;;
+    avr32*:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	exit ;;
+    cris:Linux:*:*)
+	echo cris-axis-linux-gnu
+	exit ;;
+    crisv32:Linux:*:*)
+	echo crisv32-axis-linux-gnu
+	exit ;;
+    frv:Linux:*:*)
+    	echo frv-unknown-linux-gnu
+	exit ;;
+    ia64:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	exit ;;
+    m32r*:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	exit ;;
+    m68*:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	exit ;;
+    mips:Linux:*:*)
+	eval $set_cc_for_build
+	sed 's/^	//' << EOF >$dummy.c
+	#undef CPU
+	#undef mips
+	#undef mipsel
+	#if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL)
+	CPU=mipsel
+	#else
+	#if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB)
+	CPU=mips
+	#else
+	CPU=
+	#endif
+	#endif
+EOF
+	eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n '
+	    /^CPU/{
+		s: ::g
+		p
+	    }'`"
+	test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; }
+	;;
+    mips64:Linux:*:*)
+	eval $set_cc_for_build
+	sed 's/^	//' << EOF >$dummy.c
+	#undef CPU
+	#undef mips64
+	#undef mips64el
+	#if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL)
+	CPU=mips64el
+	#else
+	#if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB)
+	CPU=mips64
+	#else
+	CPU=
+	#endif
+	#endif
+EOF
+	eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n '
+	    /^CPU/{
+		s: ::g
+		p
+	    }'`"
+	test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; }
+	;;
+    or32:Linux:*:*)
+	echo or32-unknown-linux-gnu
+	exit ;;
+    ppc:Linux:*:*)
+	echo powerpc-unknown-linux-gnu
+	exit ;;
+    ppc64:Linux:*:*)
+	echo powerpc64-unknown-linux-gnu
+	exit ;;
+    alpha:Linux:*:*)
+	case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
+	  EV5)   UNAME_MACHINE=alphaev5 ;;
+	  EV56)  UNAME_MACHINE=alphaev56 ;;
+	  PCA56) UNAME_MACHINE=alphapca56 ;;
+	  PCA57) UNAME_MACHINE=alphapca56 ;;
+	  EV6)   UNAME_MACHINE=alphaev6 ;;
+	  EV67)  UNAME_MACHINE=alphaev67 ;;
+	  EV68*) UNAME_MACHINE=alphaev68 ;;
+        esac
+	objdump --private-headers /bin/sh | grep ld.so.1 >/dev/null
+	if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi
+	echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC}
+	exit ;;
+    parisc:Linux:*:* | hppa:Linux:*:*)
+	# Look for CPU level
+	case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in
+	  PA7*) echo hppa1.1-unknown-linux-gnu ;;
+	  PA8*) echo hppa2.0-unknown-linux-gnu ;;
+	  *)    echo hppa-unknown-linux-gnu ;;
+	esac
+	exit ;;
+    parisc64:Linux:*:* | hppa64:Linux:*:*)
+	echo hppa64-unknown-linux-gnu
+	exit ;;
+    s390:Linux:*:* | s390x:Linux:*:*)
+	echo ${UNAME_MACHINE}-ibm-linux
+	exit ;;
+    sh64*:Linux:*:*)
+    	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	exit ;;
+    sh*:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	exit ;;
+    sparc:Linux:*:* | sparc64:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	exit ;;
+    vax:Linux:*:*)
+	echo ${UNAME_MACHINE}-dec-linux-gnu
+	exit ;;
+    x86_64:Linux:*:*)
+	echo x86_64-unknown-linux-gnu
+	exit ;;
+    xtensa*:Linux:*:*)
+    	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	exit ;;
+    i*86:Linux:*:*)
+	# The BFD linker knows what the default object file format is, so
+	# first see if it will tell us. cd to the root directory to prevent
+	# problems with other programs or directories called `ld' in the path.
+	# Set LC_ALL=C to ensure ld outputs messages in English.
+	ld_supported_targets=`cd /; LC_ALL=C ld --help 2>&1 \
+			 | sed -ne '/supported targets:/!d
+				    s/[ 	][ 	]*/ /g
+				    s/.*supported targets: *//
+				    s/ .*//
+				    p'`
+        case "$ld_supported_targets" in
+	  elf32-i386)
+		TENTATIVE="${UNAME_MACHINE}-pc-linux-gnu"
+		;;
+	  a.out-i386-linux)
+		echo "${UNAME_MACHINE}-pc-linux-gnuaout"
+		exit ;;
+	  coff-i386)
+		echo "${UNAME_MACHINE}-pc-linux-gnucoff"
+		exit ;;
+	  "")
+		# Either a pre-BFD a.out linker (linux-gnuoldld) or
+		# one that does not give us useful --help.
+		echo "${UNAME_MACHINE}-pc-linux-gnuoldld"
+		exit ;;
+	esac
+	# Determine whether the default compiler is a.out or elf
+	eval $set_cc_for_build
+	sed 's/^	//' << EOF >$dummy.c
+	#include <features.h>
+	#ifdef __ELF__
+	# ifdef __GLIBC__
+	#  if __GLIBC__ >= 2
+	LIBC=gnu
+	#  else
+	LIBC=gnulibc1
+	#  endif
+	# else
+	LIBC=gnulibc1
+	# endif
+	#else
+	#if defined(__INTEL_COMPILER) || defined(__PGI) || defined(__SUNPRO_C) || defined(__SUNPRO_CC)
+	LIBC=gnu
+	#else
+	LIBC=gnuaout
+	#endif
+	#endif
+	#ifdef __dietlibc__
+	LIBC=dietlibc
+	#endif
+EOF
+	eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n '
+	    /^LIBC/{
+		s: ::g
+		p
+	    }'`"
+	test x"${LIBC}" != x && {
+		echo "${UNAME_MACHINE}-pc-linux-${LIBC}"
+		exit
+	}
+	test x"${TENTATIVE}" != x && { echo "${TENTATIVE}"; exit; }
+	;;
+    i*86:DYNIX/ptx:4*:*)
+	# ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.
+	# earlier versions are messed up and put the nodename in both
+	# sysname and nodename.
+	echo i386-sequent-sysv4
+	exit ;;
+    i*86:UNIX_SV:4.2MP:2.*)
+        # Unixware is an offshoot of SVR4, but it has its own version
+        # number series starting with 2...
+        # I am not positive that other SVR4 systems won't match this,
+	# I just have to hope.  -- rms.
+        # Use sysv4.2uw... so that sysv4* matches it.
+	echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION}
+	exit ;;
+    i*86:OS/2:*:*)
+	# If we were able to find `uname', then EMX Unix compatibility
+	# is probably installed.
+	echo ${UNAME_MACHINE}-pc-os2-emx
+	exit ;;
+    i*86:XTS-300:*:STOP)
+	echo ${UNAME_MACHINE}-unknown-stop
+	exit ;;
+    i*86:atheos:*:*)
+	echo ${UNAME_MACHINE}-unknown-atheos
+	exit ;;
+    i*86:syllable:*:*)
+	echo ${UNAME_MACHINE}-pc-syllable
+	exit ;;
+    i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.0*:*)
+	echo i386-unknown-lynxos${UNAME_RELEASE}
+	exit ;;
+    i*86:*DOS:*:*)
+	echo ${UNAME_MACHINE}-pc-msdosdjgpp
+	exit ;;
+    i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*)
+	UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'`
+	if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then
+		echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL}
+	else
+		echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL}
+	fi
+	exit ;;
+    i*86:*:5:[678]*)
+    	# UnixWare 7.x, OpenUNIX and OpenServer 6.
+	case `/bin/uname -X | grep "^Machine"` in
+	    *486*)	     UNAME_MACHINE=i486 ;;
+	    *Pentium)	     UNAME_MACHINE=i586 ;;
+	    *Pent*|*Celeron) UNAME_MACHINE=i686 ;;
+	esac
+	echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION}
+	exit ;;
+    i*86:*:3.2:*)
+	if test -f /usr/options/cb.name; then
+		UNAME_REL=`sed -n 's/.*Version //p' </usr/options/cb.name`
+		echo ${UNAME_MACHINE}-pc-isc$UNAME_REL
+	elif /bin/uname -X 2>/dev/null >/dev/null ; then
+		UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')`
+		(/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486
+		(/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \
+			&& UNAME_MACHINE=i586
+		(/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \
+			&& UNAME_MACHINE=i686
+		(/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \
+			&& UNAME_MACHINE=i686
+		echo ${UNAME_MACHINE}-pc-sco$UNAME_REL
+	else
+		echo ${UNAME_MACHINE}-pc-sysv32
+	fi
+	exit ;;
+    pc:*:*:*)
+	# Left here for compatibility:
+        # uname -m prints for DJGPP always 'pc', but it prints nothing about
+        # the processor, so we play safe by assuming i386.
+	echo i386-pc-msdosdjgpp
+        exit ;;
+    Intel:Mach:3*:*)
+	echo i386-pc-mach3
+	exit ;;
+    paragon:*:*:*)
+	echo i860-intel-osf1
+	exit ;;
+    i860:*:4.*:*) # i860-SVR4
+	if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then
+	  echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4
+	else # Add other i860-SVR4 vendors below as they are discovered.
+	  echo i860-unknown-sysv${UNAME_RELEASE}  # Unknown i860-SVR4
+	fi
+	exit ;;
+    mini*:CTIX:SYS*5:*)
+	# "miniframe"
+	echo m68010-convergent-sysv
+	exit ;;
+    mc68k:UNIX:SYSTEM5:3.51m)
+	echo m68k-convergent-sysv
+	exit ;;
+    M680?0:D-NIX:5.3:*)
+	echo m68k-diab-dnix
+	exit ;;
+    M68*:*:R3V[5678]*:*)
+	test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;;
+    3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0)
+	OS_REL=''
+	test -r /etc/.relid \
+	&& OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
+	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
+	  && { echo i486-ncr-sysv4.3${OS_REL}; exit; }
+	/bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
+	  && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;;
+    3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*)
+        /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
+          && { echo i486-ncr-sysv4; exit; } ;;
+    m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*)
+	echo m68k-unknown-lynxos${UNAME_RELEASE}
+	exit ;;
+    mc68030:UNIX_System_V:4.*:*)
+	echo m68k-atari-sysv4
+	exit ;;
+    TSUNAMI:LynxOS:2.*:*)
+	echo sparc-unknown-lynxos${UNAME_RELEASE}
+	exit ;;
+    rs6000:LynxOS:2.*:*)
+	echo rs6000-unknown-lynxos${UNAME_RELEASE}
+	exit ;;
+    PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.0*:*)
+	echo powerpc-unknown-lynxos${UNAME_RELEASE}
+	exit ;;
+    SM[BE]S:UNIX_SV:*:*)
+	echo mips-dde-sysv${UNAME_RELEASE}
+	exit ;;
+    RM*:ReliantUNIX-*:*:*)
+	echo mips-sni-sysv4
+	exit ;;
+    RM*:SINIX-*:*:*)
+	echo mips-sni-sysv4
+	exit ;;
+    *:SINIX-*:*:*)
+	if uname -p 2>/dev/null >/dev/null ; then
+		UNAME_MACHINE=`(uname -p) 2>/dev/null`
+		echo ${UNAME_MACHINE}-sni-sysv4
+	else
+		echo ns32k-sni-sysv
+	fi
+	exit ;;
+    PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort
+                      # says <Richard.M.Bartel@ccMail.Census.GOV>
+        echo i586-unisys-sysv4
+        exit ;;
+    *:UNIX_System_V:4*:FTX*)
+	# From Gerald Hewes <hewes@openmarket.com>.
+	# How about differentiating between stratus architectures? -djm
+	echo hppa1.1-stratus-sysv4
+	exit ;;
+    *:*:*:FTX*)
+	# From seanf@swdc.stratus.com.
+	echo i860-stratus-sysv4
+	exit ;;
+    i*86:VOS:*:*)
+	# From Paul.Green@stratus.com.
+	echo ${UNAME_MACHINE}-stratus-vos
+	exit ;;
+    *:VOS:*:*)
+	# From Paul.Green@stratus.com.
+	echo hppa1.1-stratus-vos
+	exit ;;
+    mc68*:A/UX:*:*)
+	echo m68k-apple-aux${UNAME_RELEASE}
+	exit ;;
+    news*:NEWS-OS:6*:*)
+	echo mips-sony-newsos6
+	exit ;;
+    R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
+	if [ -d /usr/nec ]; then
+	        echo mips-nec-sysv${UNAME_RELEASE}
+	else
+	        echo mips-unknown-sysv${UNAME_RELEASE}
+	fi
+        exit ;;
+    BeBox:BeOS:*:*)	# BeOS running on hardware made by Be, PPC only.
+	echo powerpc-be-beos
+	exit ;;
+    BeMac:BeOS:*:*)	# BeOS running on Mac or Mac clone, PPC only.
+	echo powerpc-apple-beos
+	exit ;;
+    BePC:BeOS:*:*)	# BeOS running on Intel PC compatible.
+	echo i586-pc-beos
+	exit ;;
+    SX-4:SUPER-UX:*:*)
+	echo sx4-nec-superux${UNAME_RELEASE}
+	exit ;;
+    SX-5:SUPER-UX:*:*)
+	echo sx5-nec-superux${UNAME_RELEASE}
+	exit ;;
+    SX-6:SUPER-UX:*:*)
+	echo sx6-nec-superux${UNAME_RELEASE}
+	exit ;;
+    SX-7:SUPER-UX:*:*)
+	echo sx7-nec-superux${UNAME_RELEASE}
+	exit ;;
+    SX-8:SUPER-UX:*:*)
+	echo sx8-nec-superux${UNAME_RELEASE}
+	exit ;;
+    SX-8R:SUPER-UX:*:*)
+	echo sx8r-nec-superux${UNAME_RELEASE}
+	exit ;;
+    Power*:Rhapsody:*:*)
+	echo powerpc-apple-rhapsody${UNAME_RELEASE}
+	exit ;;
+    *:Rhapsody:*:*)
+	echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE}
+	exit ;;
+    *:Darwin:*:*)
+	UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown
+	case $UNAME_PROCESSOR in
+	    unknown) UNAME_PROCESSOR=powerpc ;;
+	esac
+	echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE}
+	exit ;;
+    *:procnto*:*:* | *:QNX:[0123456789]*:*)
+	UNAME_PROCESSOR=`uname -p`
+	if test "$UNAME_PROCESSOR" = "x86"; then
+		UNAME_PROCESSOR=i386
+		UNAME_MACHINE=pc
+	fi
+	echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE}
+	exit ;;
+    *:QNX:*:4*)
+	echo i386-pc-qnx
+	exit ;;
+    NSE-?:NONSTOP_KERNEL:*:*)
+	echo nse-tandem-nsk${UNAME_RELEASE}
+	exit ;;
+    NSR-?:NONSTOP_KERNEL:*:*)
+	echo nsr-tandem-nsk${UNAME_RELEASE}
+	exit ;;
+    *:NonStop-UX:*:*)
+	echo mips-compaq-nonstopux
+	exit ;;
+    BS2000:POSIX*:*:*)
+	echo bs2000-siemens-sysv
+	exit ;;
+    DS/*:UNIX_System_V:*:*)
+	echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE}
+	exit ;;
+    *:Plan9:*:*)
+	# "uname -m" is not consistent, so use $cputype instead. 386
+	# is converted to i386 for consistency with other x86
+	# operating systems.
+	if test "$cputype" = "386"; then
+	    UNAME_MACHINE=i386
+	else
+	    UNAME_MACHINE="$cputype"
+	fi
+	echo ${UNAME_MACHINE}-unknown-plan9
+	exit ;;
+    *:TOPS-10:*:*)
+	echo pdp10-unknown-tops10
+	exit ;;
+    *:TENEX:*:*)
+	echo pdp10-unknown-tenex
+	exit ;;
+    KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*)
+	echo pdp10-dec-tops20
+	exit ;;
+    XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*)
+	echo pdp10-xkl-tops20
+	exit ;;
+    *:TOPS-20:*:*)
+	echo pdp10-unknown-tops20
+	exit ;;
+    *:ITS:*:*)
+	echo pdp10-unknown-its
+	exit ;;
+    SEI:*:*:SEIUX)
+        echo mips-sei-seiux${UNAME_RELEASE}
+	exit ;;
+    *:DragonFly:*:*)
+	echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`
+	exit ;;
+    *:*VMS:*:*)
+    	UNAME_MACHINE=`(uname -p) 2>/dev/null`
+	case "${UNAME_MACHINE}" in
+	    A*) echo alpha-dec-vms ; exit ;;
+	    I*) echo ia64-dec-vms ; exit ;;
+	    V*) echo vax-dec-vms ; exit ;;
+	esac ;;
+    *:XENIX:*:SysV)
+	echo i386-pc-xenix
+	exit ;;
+    i*86:skyos:*:*)
+	echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE}` | sed -e 's/ .*$//'
+	exit ;;
+    i*86:rdos:*:*)
+	echo ${UNAME_MACHINE}-pc-rdos
+	exit ;;
+esac
+
+#echo '(No uname command or uname output not recognized.)' 1>&2
+#echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2
+
+eval $set_cc_for_build
+cat >$dummy.c <<EOF
+#ifdef _SEQUENT_
+# include <sys/types.h>
+# include <sys/utsname.h>
+#endif
+main ()
+{
+#if defined (sony)
+#if defined (MIPSEB)
+  /* BFD wants "bsd" instead of "newsos".  Perhaps BFD should be changed,
+     I don't know....  */
+  printf ("mips-sony-bsd\n"); exit (0);
+#else
+#include <sys/param.h>
+  printf ("m68k-sony-newsos%s\n",
+#ifdef NEWSOS4
+          "4"
+#else
+	  ""
+#endif
+         ); exit (0);
+#endif
+#endif
+
+#if defined (__arm) && defined (__acorn) && defined (__unix)
+  printf ("arm-acorn-riscix\n"); exit (0);
+#endif
+
+#if defined (hp300) && !defined (hpux)
+  printf ("m68k-hp-bsd\n"); exit (0);
+#endif
+
+#if defined (NeXT)
+#if !defined (__ARCHITECTURE__)
+#define __ARCHITECTURE__ "m68k"
+#endif
+  int version;
+  version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`;
+  if (version < 4)
+    printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version);
+  else
+    printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version);
+  exit (0);
+#endif
+
+#if defined (MULTIMAX) || defined (n16)
+#if defined (UMAXV)
+  printf ("ns32k-encore-sysv\n"); exit (0);
+#else
+#if defined (CMU)
+  printf ("ns32k-encore-mach\n"); exit (0);
+#else
+  printf ("ns32k-encore-bsd\n"); exit (0);
+#endif
+#endif
+#endif
+
+#if defined (__386BSD__)
+  printf ("i386-pc-bsd\n"); exit (0);
+#endif
+
+#if defined (sequent)
+#if defined (i386)
+  printf ("i386-sequent-dynix\n"); exit (0);
+#endif
+#if defined (ns32000)
+  printf ("ns32k-sequent-dynix\n"); exit (0);
+#endif
+#endif
+
+#if defined (_SEQUENT_)
+    struct utsname un;
+
+    uname(&un);
+
+    if (strncmp(un.version, "V2", 2) == 0) {
+	printf ("i386-sequent-ptx2\n"); exit (0);
+    }
+    if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */
+	printf ("i386-sequent-ptx1\n"); exit (0);
+    }
+    printf ("i386-sequent-ptx\n"); exit (0);
+
+#endif
+
+#if defined (vax)
+# if !defined (ultrix)
+#  include <sys/param.h>
+#  if defined (BSD)
+#   if BSD == 43
+      printf ("vax-dec-bsd4.3\n"); exit (0);
+#   else
+#    if BSD == 199006
+      printf ("vax-dec-bsd4.3reno\n"); exit (0);
+#    else
+      printf ("vax-dec-bsd\n"); exit (0);
+#    endif
+#   endif
+#  else
+    printf ("vax-dec-bsd\n"); exit (0);
+#  endif
+# else
+    printf ("vax-dec-ultrix\n"); exit (0);
+# endif
+#endif
+
+#if defined (alliant) && defined (i860)
+  printf ("i860-alliant-bsd\n"); exit (0);
+#endif
+
+  exit (1);
+}
+EOF
+
+$CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null && SYSTEM_NAME=`$dummy` &&
+	{ echo "$SYSTEM_NAME"; exit; }
+
+# Apollos put the system type in the environment.
+
+test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit; }
+
+# Convex versions that predate uname can use getsysinfo(1)
+
+if [ -x /usr/convex/getsysinfo ]
+then
+    case `getsysinfo -f cpu_type` in
+    c1*)
+	echo c1-convex-bsd
+	exit ;;
+    c2*)
+	if getsysinfo -f scalar_acc
+	then echo c32-convex-bsd
+	else echo c2-convex-bsd
+	fi
+	exit ;;
+    c34*)
+	echo c34-convex-bsd
+	exit ;;
+    c38*)
+	echo c38-convex-bsd
+	exit ;;
+    c4*)
+	echo c4-convex-bsd
+	exit ;;
+    esac
+fi
+
+cat >&2 <<EOF
+$0: unable to guess system type
+
+This script, last modified $timestamp, has failed to recognize
+the operating system you are using. It is advised that you
+download the most up to date version of the config scripts from
+
+  http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD
+and
+  http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD
+
+If the version you run ($0) is already up to date, please
+send the following data and any information you think might be
+pertinent to <config-patches@gnu.org> in order to provide the needed
+information to handle your system.
+
+config.guess timestamp = $timestamp
+
+uname -m = `(uname -m) 2>/dev/null || echo unknown`
+uname -r = `(uname -r) 2>/dev/null || echo unknown`
+uname -s = `(uname -s) 2>/dev/null || echo unknown`
+uname -v = `(uname -v) 2>/dev/null || echo unknown`
+
+/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null`
+/bin/uname -X     = `(/bin/uname -X) 2>/dev/null`
+
+hostinfo               = `(hostinfo) 2>/dev/null`
+/bin/universe          = `(/bin/universe) 2>/dev/null`
+/usr/bin/arch -k       = `(/usr/bin/arch -k) 2>/dev/null`
+/bin/arch              = `(/bin/arch) 2>/dev/null`
+/usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null`
+/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null`
+
+UNAME_MACHINE = ${UNAME_MACHINE}
+UNAME_RELEASE = ${UNAME_RELEASE}
+UNAME_SYSTEM  = ${UNAME_SYSTEM}
+UNAME_VERSION = ${UNAME_VERSION}
+EOF
+
+exit 1
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "timestamp='"
+# time-stamp-format: "%:y-%02m-%02d"
+# time-stamp-end: "'"
+# End:
diff --git a/config.sub b/config.sub
new file mode 100755
index 00000000..6759825a
--- /dev/null
+++ b/config.sub
@@ -0,0 +1,1658 @@
+#! /bin/sh
+# Configuration validation subroutine script.
+#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+#   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+#   Free Software Foundation, Inc.
+
+timestamp='2008-01-16'
+
+# This file is (in principle) common to ALL GNU software.
+# The presence of a machine in this file suggests that SOME GNU software
+# can handle that machine.  It does not imply ALL GNU software can.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+# 02110-1301, USA.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+
+# Please send patches to <config-patches@gnu.org>.  Submit a context
+# diff and a properly formatted ChangeLog entry.
+#
+# Configuration subroutine to validate and canonicalize a configuration type.
+# Supply the specified configuration type as an argument.
+# If it is invalid, we print an error message on stderr and exit with code 1.
+# Otherwise, we print the canonical config type on stdout and succeed.
+
+# This file is supposed to be the same for all GNU packages
+# and recognize all the CPU types, system types and aliases
+# that are meaningful with *any* GNU software.
+# Each package is responsible for reporting which valid configurations
+# it does not support.  The user should be able to distinguish
+# a failure to support a valid configuration from a meaningless
+# configuration.
+
+# The goal of this file is to map all the various variations of a given
+# machine specification into a single specification in the form:
+#	CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
+# or in some cases, the newer four-part form:
+#	CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
+# It is wrong to echo any other type of specification.
+
+me=`echo "$0" | sed -e 's,.*/,,'`
+
+usage="\
+Usage: $0 [OPTION] CPU-MFR-OPSYS
+       $0 [OPTION] ALIAS
+
+Canonicalize a configuration name.
+
+Operation modes:
+  -h, --help         print this help, then exit
+  -t, --time-stamp   print date of last modification, then exit
+  -v, --version      print version number, then exit
+
+Report bugs and patches to <config-patches@gnu.org>."
+
+version="\
+GNU config.sub ($timestamp)
+
+Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
+2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+
+This is free software; see the source for copying conditions.  There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
+
+help="
+Try \`$me --help' for more information."
+
+# Parse command line
+while test $# -gt 0 ; do
+  case $1 in
+    --time-stamp | --time* | -t )
+       echo "$timestamp" ; exit ;;
+    --version | -v )
+       echo "$version" ; exit ;;
+    --help | --h* | -h )
+       echo "$usage"; exit ;;
+    -- )     # Stop option processing
+       shift; break ;;
+    - )	# Use stdin as input.
+       break ;;
+    -* )
+       echo "$me: invalid option $1$help"
+       exit 1 ;;
+
+    *local*)
+       # First pass through any local machine types.
+       echo $1
+       exit ;;
+
+    * )
+       break ;;
+  esac
+done
+
+case $# in
+ 0) echo "$me: missing argument$help" >&2
+    exit 1;;
+ 1) ;;
+ *) echo "$me: too many arguments$help" >&2
+    exit 1;;
+esac
+
+# Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any).
+# Here we must recognize all the valid KERNEL-OS combinations.
+maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
+case $maybe_os in
+  nto-qnx* | linux-gnu* | linux-dietlibc | linux-newlib* | linux-uclibc* | \
+  uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* | \
+  storm-chaos* | os2-emx* | rtmk-nova*)
+    os=-$maybe_os
+    basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
+    ;;
+  *)
+    basic_machine=`echo $1 | sed 's/-[^-]*$//'`
+    if [ $basic_machine != $1 ]
+    then os=`echo $1 | sed 's/.*-/-/'`
+    else os=; fi
+    ;;
+esac
+
+### Let's recognize common machines as not being operating systems so
+### that things like config.sub decstation-3100 work.  We also
+### recognize some manufacturers as not being operating systems, so we
+### can provide default operating systems below.
+case $os in
+	-sun*os*)
+		# Prevent following clause from handling this invalid input.
+		;;
+	-dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \
+	-att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \
+	-unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \
+	-convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\
+	-c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \
+	-harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \
+	-apple | -axis | -knuth | -cray)
+		os=
+		basic_machine=$1
+		;;
+	-sim | -cisco | -oki | -wec | -winbond)
+		os=
+		basic_machine=$1
+		;;
+	-scout)
+		;;
+	-wrs)
+		os=-vxworks
+		basic_machine=$1
+		;;
+	-chorusos*)
+		os=-chorusos
+		basic_machine=$1
+		;;
+ 	-chorusrdb)
+ 		os=-chorusrdb
+		basic_machine=$1
+ 		;;
+	-hiux*)
+		os=-hiuxwe2
+		;;
+	-sco6)
+		os=-sco5v6
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-sco5)
+		os=-sco3.2v5
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-sco4)
+		os=-sco3.2v4
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-sco3.2.[4-9]*)
+		os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-sco3.2v[4-9]*)
+		# Don't forget version if it is 3.2v4 or newer.
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-sco5v6*)
+		# Don't forget version if it is 3.2v4 or newer.
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-sco*)
+		os=-sco3.2v2
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-udk*)
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-isc)
+		os=-isc2.2
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-clix*)
+		basic_machine=clipper-intergraph
+		;;
+	-isc*)
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
+	-lynx*)
+		os=-lynxos
+		;;
+	-ptx*)
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'`
+		;;
+	-windowsnt*)
+		os=`echo $os | sed -e 's/windowsnt/winnt/'`
+		;;
+	-psos*)
+		os=-psos
+		;;
+	-mint | -mint[0-9]*)
+		basic_machine=m68k-atari
+		os=-mint
+		;;
+esac
+
+# Decode aliases for certain CPU-COMPANY combinations.
+case $basic_machine in
+	# Recognize the basic CPU types without company name.
+	# Some are omitted here because they have special meanings below.
+	1750a | 580 \
+	| a29k \
+	| alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \
+	| alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \
+	| am33_2.0 \
+	| arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \
+	| bfin \
+	| c4x | clipper \
+	| d10v | d30v | dlx | dsp16xx \
+	| fido | fr30 | frv \
+	| h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
+	| i370 | i860 | i960 | ia64 \
+	| ip2k | iq2000 \
+	| m32c | m32r | m32rle | m68000 | m68k | m88k \
+	| maxq | mb | microblaze | mcore | mep \
+	| mips | mipsbe | mipseb | mipsel | mipsle \
+	| mips16 \
+	| mips64 | mips64el \
+	| mips64vr | mips64vrel \
+	| mips64orion | mips64orionel \
+	| mips64vr4100 | mips64vr4100el \
+	| mips64vr4300 | mips64vr4300el \
+	| mips64vr5000 | mips64vr5000el \
+	| mips64vr5900 | mips64vr5900el \
+	| mipsisa32 | mipsisa32el \
+	| mipsisa32r2 | mipsisa32r2el \
+	| mipsisa64 | mipsisa64el \
+	| mipsisa64r2 | mipsisa64r2el \
+	| mipsisa64sb1 | mipsisa64sb1el \
+	| mipsisa64sr71k | mipsisa64sr71kel \
+	| mipstx39 | mipstx39el \
+	| mn10200 | mn10300 \
+	| mt \
+	| msp430 \
+	| nios | nios2 \
+	| ns16k | ns32k \
+	| or32 \
+	| pdp10 | pdp11 | pj | pjl \
+	| powerpc | powerpc64 | powerpc64le | powerpcle | ppcbe \
+	| pyramid \
+	| score \
+	| sh | sh[1234] | sh[24]a | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \
+	| sh64 | sh64le \
+	| sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \
+	| sparcv8 | sparcv9 | sparcv9b | sparcv9v \
+	| spu | strongarm \
+	| tahoe | thumb | tic4x | tic80 | tron \
+	| v850 | v850e \
+	| we32k \
+	| x86 | xc16x | xscale | xscalee[bl] | xstormy16 | xtensa \
+	| z8k)
+		basic_machine=$basic_machine-unknown
+		;;
+	m6811 | m68hc11 | m6812 | m68hc12)
+		# Motorola 68HC11/12.
+		basic_machine=$basic_machine-unknown
+		os=-none
+		;;
+	m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k)
+		;;
+	ms1)
+		basic_machine=mt-unknown
+		;;
+
+	# We use `pc' rather than `unknown'
+	# because (1) that's what they normally are, and
+	# (2) the word "unknown" tends to confuse beginning users.
+	i*86 | x86_64)
+	  basic_machine=$basic_machine-pc
+	  ;;
+	# Object if more than one company name word.
+	*-*-*)
+		echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
+		exit 1
+		;;
+	# Recognize the basic CPU types with company name.
+	580-* \
+	| a29k-* \
+	| alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \
+	| alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \
+	| alphapca5[67]-* | alpha64pca5[67]-* | arc-* \
+	| arm-*  | armbe-* | armle-* | armeb-* | armv*-* \
+	| avr-* | avr32-* \
+	| bfin-* | bs2000-* \
+	| c[123]* | c30-* | [cjt]90-* | c4x-* | c54x-* | c55x-* | c6x-* \
+	| clipper-* | craynv-* | cydra-* \
+	| d10v-* | d30v-* | dlx-* \
+	| elxsi-* \
+	| f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \
+	| h8300-* | h8500-* \
+	| hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \
+	| i*86-* | i860-* | i960-* | ia64-* \
+	| ip2k-* | iq2000-* \
+	| m32c-* | m32r-* | m32rle-* \
+	| m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \
+	| m88110-* | m88k-* | maxq-* | mcore-* \
+	| mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \
+	| mips16-* \
+	| mips64-* | mips64el-* \
+	| mips64vr-* | mips64vrel-* \
+	| mips64orion-* | mips64orionel-* \
+	| mips64vr4100-* | mips64vr4100el-* \
+	| mips64vr4300-* | mips64vr4300el-* \
+	| mips64vr5000-* | mips64vr5000el-* \
+	| mips64vr5900-* | mips64vr5900el-* \
+	| mipsisa32-* | mipsisa32el-* \
+	| mipsisa32r2-* | mipsisa32r2el-* \
+	| mipsisa64-* | mipsisa64el-* \
+	| mipsisa64r2-* | mipsisa64r2el-* \
+	| mipsisa64sb1-* | mipsisa64sb1el-* \
+	| mipsisa64sr71k-* | mipsisa64sr71kel-* \
+	| mipstx39-* | mipstx39el-* \
+	| mmix-* \
+	| mt-* \
+	| msp430-* \
+	| nios-* | nios2-* \
+	| none-* | np1-* | ns16k-* | ns32k-* \
+	| orion-* \
+	| pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \
+	| powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* | ppcbe-* \
+	| pyramid-* \
+	| romp-* | rs6000-* \
+	| sh-* | sh[1234]-* | sh[24]a-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \
+	| shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \
+	| sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \
+	| sparclite-* \
+	| sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | strongarm-* | sv1-* | sx?-* \
+	| tahoe-* | thumb-* \
+	| tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \
+	| tron-* \
+	| v850-* | v850e-* | vax-* \
+	| we32k-* \
+	| x86-* | x86_64-* | xc16x-* | xps100-* | xscale-* | xscalee[bl]-* \
+	| xstormy16-* | xtensa*-* \
+	| ymp-* \
+	| z8k-*)
+		;;
+	# Recognize the basic CPU types without company name, with glob match.
+	xtensa*)
+		basic_machine=$basic_machine-unknown
+		;;
+	# Recognize the various machine names and aliases which stand
+	# for a CPU type and a company and sometimes even an OS.
+	386bsd)
+		basic_machine=i386-unknown
+		os=-bsd
+		;;
+	3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
+		basic_machine=m68000-att
+		;;
+	3b*)
+		basic_machine=we32k-att
+		;;
+	a29khif)
+		basic_machine=a29k-amd
+		os=-udi
+		;;
+    	abacus)
+		basic_machine=abacus-unknown
+		;;
+	adobe68k)
+		basic_machine=m68010-adobe
+		os=-scout
+		;;
+	alliant | fx80)
+		basic_machine=fx80-alliant
+		;;
+	altos | altos3068)
+		basic_machine=m68k-altos
+		;;
+	am29k)
+		basic_machine=a29k-none
+		os=-bsd
+		;;
+	amd64)
+		basic_machine=x86_64-pc
+		;;
+	amd64-*)
+		basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	amdahl)
+		basic_machine=580-amdahl
+		os=-sysv
+		;;
+	amiga | amiga-*)
+		basic_machine=m68k-unknown
+		;;
+	amigaos | amigados)
+		basic_machine=m68k-unknown
+		os=-amigaos
+		;;
+	amigaunix | amix)
+		basic_machine=m68k-unknown
+		os=-sysv4
+		;;
+	apollo68)
+		basic_machine=m68k-apollo
+		os=-sysv
+		;;
+	apollo68bsd)
+		basic_machine=m68k-apollo
+		os=-bsd
+		;;
+	aux)
+		basic_machine=m68k-apple
+		os=-aux
+		;;
+	balance)
+		basic_machine=ns32k-sequent
+		os=-dynix
+		;;
+	blackfin)
+		basic_machine=bfin-unknown
+		os=-linux
+		;;
+	blackfin-*)
+		basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'`
+		os=-linux
+		;;
+	c90)
+		basic_machine=c90-cray
+		os=-unicos
+		;;
+	convex-c1)
+		basic_machine=c1-convex
+		os=-bsd
+		;;
+	convex-c2)
+		basic_machine=c2-convex
+		os=-bsd
+		;;
+	convex-c32)
+		basic_machine=c32-convex
+		os=-bsd
+		;;
+	convex-c34)
+		basic_machine=c34-convex
+		os=-bsd
+		;;
+	convex-c38)
+		basic_machine=c38-convex
+		os=-bsd
+		;;
+	cray | j90)
+		basic_machine=j90-cray
+		os=-unicos
+		;;
+	craynv)
+		basic_machine=craynv-cray
+		os=-unicosmp
+		;;
+	cr16)
+		basic_machine=cr16-unknown
+		os=-elf
+		;;
+	crds | unos)
+		basic_machine=m68k-crds
+		;;
+	crisv32 | crisv32-* | etraxfs*)
+		basic_machine=crisv32-axis
+		;;
+	cris | cris-* | etrax*)
+		basic_machine=cris-axis
+		;;
+	crx)
+		basic_machine=crx-unknown
+		os=-elf
+		;;
+	da30 | da30-*)
+		basic_machine=m68k-da30
+		;;
+	decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
+		basic_machine=mips-dec
+		;;
+	decsystem10* | dec10*)
+		basic_machine=pdp10-dec
+		os=-tops10
+		;;
+	decsystem20* | dec20*)
+		basic_machine=pdp10-dec
+		os=-tops20
+		;;
+	delta | 3300 | motorola-3300 | motorola-delta \
+	      | 3300-motorola | delta-motorola)
+		basic_machine=m68k-motorola
+		;;
+	delta88)
+		basic_machine=m88k-motorola
+		os=-sysv3
+		;;
+	djgpp)
+		basic_machine=i586-pc
+		os=-msdosdjgpp
+		;;
+	dpx20 | dpx20-*)
+		basic_machine=rs6000-bull
+		os=-bosx
+		;;
+	dpx2* | dpx2*-bull)
+		basic_machine=m68k-bull
+		os=-sysv3
+		;;
+	ebmon29k)
+		basic_machine=a29k-amd
+		os=-ebmon
+		;;
+	elxsi)
+		basic_machine=elxsi-elxsi
+		os=-bsd
+		;;
+	encore | umax | mmax)
+		basic_machine=ns32k-encore
+		;;
+	es1800 | OSE68k | ose68k | ose | OSE)
+		basic_machine=m68k-ericsson
+		os=-ose
+		;;
+	fx2800)
+		basic_machine=i860-alliant
+		;;
+	genix)
+		basic_machine=ns32k-ns
+		;;
+	gmicro)
+		basic_machine=tron-gmicro
+		os=-sysv
+		;;
+	go32)
+		basic_machine=i386-pc
+		os=-go32
+		;;
+	h3050r* | hiux*)
+		basic_machine=hppa1.1-hitachi
+		os=-hiuxwe2
+		;;
+	h8300hms)
+		basic_machine=h8300-hitachi
+		os=-hms
+		;;
+	h8300xray)
+		basic_machine=h8300-hitachi
+		os=-xray
+		;;
+	h8500hms)
+		basic_machine=h8500-hitachi
+		os=-hms
+		;;
+	harris)
+		basic_machine=m88k-harris
+		os=-sysv3
+		;;
+	hp300-*)
+		basic_machine=m68k-hp
+		;;
+	hp300bsd)
+		basic_machine=m68k-hp
+		os=-bsd
+		;;
+	hp300hpux)
+		basic_machine=m68k-hp
+		os=-hpux
+		;;
+	hp3k9[0-9][0-9] | hp9[0-9][0-9])
+		basic_machine=hppa1.0-hp
+		;;
+	hp9k2[0-9][0-9] | hp9k31[0-9])
+		basic_machine=m68000-hp
+		;;
+	hp9k3[2-9][0-9])
+		basic_machine=m68k-hp
+		;;
+	hp9k6[0-9][0-9] | hp6[0-9][0-9])
+		basic_machine=hppa1.0-hp
+		;;
+	hp9k7[0-79][0-9] | hp7[0-79][0-9])
+		basic_machine=hppa1.1-hp
+		;;
+	hp9k78[0-9] | hp78[0-9])
+		# FIXME: really hppa2.0-hp
+		basic_machine=hppa1.1-hp
+		;;
+	hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893)
+		# FIXME: really hppa2.0-hp
+		basic_machine=hppa1.1-hp
+		;;
+	hp9k8[0-9][13679] | hp8[0-9][13679])
+		basic_machine=hppa1.1-hp
+		;;
+	hp9k8[0-9][0-9] | hp8[0-9][0-9])
+		basic_machine=hppa1.0-hp
+		;;
+	hppa-next)
+		os=-nextstep3
+		;;
+	hppaosf)
+		basic_machine=hppa1.1-hp
+		os=-osf
+		;;
+	hppro)
+		basic_machine=hppa1.1-hp
+		os=-proelf
+		;;
+	i370-ibm* | ibm*)
+		basic_machine=i370-ibm
+		;;
+# I'm not sure what "Sysv32" means.  Should this be sysv3.2?
+	i*86v32)
+		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+		os=-sysv32
+		;;
+	i*86v4*)
+		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+		os=-sysv4
+		;;
+	i*86v)
+		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+		os=-sysv
+		;;
+	i*86sol2)
+		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+		os=-solaris2
+		;;
+	i386mach)
+		basic_machine=i386-mach
+		os=-mach
+		;;
+	i386-vsta | vsta)
+		basic_machine=i386-unknown
+		os=-vsta
+		;;
+	iris | iris4d)
+		basic_machine=mips-sgi
+		case $os in
+		    -irix*)
+			;;
+		    *)
+			os=-irix4
+			;;
+		esac
+		;;
+	isi68 | isi)
+		basic_machine=m68k-isi
+		os=-sysv
+		;;
+	m68knommu)
+		basic_machine=m68k-unknown
+		os=-linux
+		;;
+	m68knommu-*)
+		basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'`
+		os=-linux
+		;;
+	m88k-omron*)
+		basic_machine=m88k-omron
+		;;
+	magnum | m3230)
+		basic_machine=mips-mips
+		os=-sysv
+		;;
+	merlin)
+		basic_machine=ns32k-utek
+		os=-sysv
+		;;
+	mingw32)
+		basic_machine=i386-pc
+		os=-mingw32
+		;;
+	mingw32ce)
+		basic_machine=arm-unknown
+		os=-mingw32ce
+		;;
+	miniframe)
+		basic_machine=m68000-convergent
+		;;
+	*mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*)
+		basic_machine=m68k-atari
+		os=-mint
+		;;
+	mips3*-*)
+		basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
+		;;
+	mips3*)
+		basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
+		;;
+	monitor)
+		basic_machine=m68k-rom68k
+		os=-coff
+		;;
+	morphos)
+		basic_machine=powerpc-unknown
+		os=-morphos
+		;;
+	msdos)
+		basic_machine=i386-pc
+		os=-msdos
+		;;
+	ms1-*)
+		basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'`
+		;;
+	mvs)
+		basic_machine=i370-ibm
+		os=-mvs
+		;;
+	ncr3000)
+		basic_machine=i486-ncr
+		os=-sysv4
+		;;
+	netbsd386)
+		basic_machine=i386-unknown
+		os=-netbsd
+		;;
+	netwinder)
+		basic_machine=armv4l-rebel
+		os=-linux
+		;;
+	news | news700 | news800 | news900)
+		basic_machine=m68k-sony
+		os=-newsos
+		;;
+	news1000)
+		basic_machine=m68030-sony
+		os=-newsos
+		;;
+	news-3600 | risc-news)
+		basic_machine=mips-sony
+		os=-newsos
+		;;
+	necv70)
+		basic_machine=v70-nec
+		os=-sysv
+		;;
+	next | m*-next )
+		basic_machine=m68k-next
+		case $os in
+		    -nextstep* )
+			;;
+		    -ns2*)
+		      os=-nextstep2
+			;;
+		    *)
+		      os=-nextstep3
+			;;
+		esac
+		;;
+	nh3000)
+		basic_machine=m68k-harris
+		os=-cxux
+		;;
+	nh[45]000)
+		basic_machine=m88k-harris
+		os=-cxux
+		;;
+	nindy960)
+		basic_machine=i960-intel
+		os=-nindy
+		;;
+	mon960)
+		basic_machine=i960-intel
+		os=-mon960
+		;;
+	nonstopux)
+		basic_machine=mips-compaq
+		os=-nonstopux
+		;;
+	np1)
+		basic_machine=np1-gould
+		;;
+	nsr-tandem)
+		basic_machine=nsr-tandem
+		;;
+	op50n-* | op60c-*)
+		basic_machine=hppa1.1-oki
+		os=-proelf
+		;;
+	openrisc | openrisc-*)
+		basic_machine=or32-unknown
+		;;
+	os400)
+		basic_machine=powerpc-ibm
+		os=-os400
+		;;
+	OSE68000 | ose68000)
+		basic_machine=m68000-ericsson
+		os=-ose
+		;;
+	os68k)
+		basic_machine=m68k-none
+		os=-os68k
+		;;
+	pa-hitachi)
+		basic_machine=hppa1.1-hitachi
+		os=-hiuxwe2
+		;;
+	paragon)
+		basic_machine=i860-intel
+		os=-osf
+		;;
+	parisc)
+		basic_machine=hppa-unknown
+		os=-linux
+		;;
+	parisc-*)
+		basic_machine=hppa-`echo $basic_machine | sed 's/^[^-]*-//'`
+		os=-linux
+		;;
+	pbd)
+		basic_machine=sparc-tti
+		;;
+	pbb)
+		basic_machine=m68k-tti
+		;;
+	pc532 | pc532-*)
+		basic_machine=ns32k-pc532
+		;;
+	pc98)
+		basic_machine=i386-pc
+		;;
+	pc98-*)
+		basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	pentium | p5 | k5 | k6 | nexgen | viac3)
+		basic_machine=i586-pc
+		;;
+	pentiumpro | p6 | 6x86 | athlon | athlon_*)
+		basic_machine=i686-pc
+		;;
+	pentiumii | pentium2 | pentiumiii | pentium3)
+		basic_machine=i686-pc
+		;;
+	pentium4)
+		basic_machine=i786-pc
+		;;
+	pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
+		basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	pentiumpro-* | p6-* | 6x86-* | athlon-*)
+		basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
+		basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	pentium4-*)
+		basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	pn)
+		basic_machine=pn-gould
+		;;
+	power)	basic_machine=power-ibm
+		;;
+	ppc)	basic_machine=powerpc-unknown
+		;;
+	ppc-*)	basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	ppcle | powerpclittle | ppc-le | powerpc-little)
+		basic_machine=powerpcle-unknown
+		;;
+	ppcle-* | powerpclittle-*)
+		basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	ppc64)	basic_machine=powerpc64-unknown
+		;;
+	ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	ppc64le | powerpc64little | ppc64-le | powerpc64-little)
+		basic_machine=powerpc64le-unknown
+		;;
+	ppc64le-* | powerpc64little-*)
+		basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	ps2)
+		basic_machine=i386-ibm
+		;;
+	pw32)
+		basic_machine=i586-unknown
+		os=-pw32
+		;;
+	rdos)
+		basic_machine=i386-pc
+		os=-rdos
+		;;
+	rom68k)
+		basic_machine=m68k-rom68k
+		os=-coff
+		;;
+	rm[46]00)
+		basic_machine=mips-siemens
+		;;
+	rtpc | rtpc-*)
+		basic_machine=romp-ibm
+		;;
+	s390 | s390-*)
+		basic_machine=s390-ibm
+		;;
+	s390x | s390x-*)
+		basic_machine=s390x-ibm
+		;;
+	sa29200)
+		basic_machine=a29k-amd
+		os=-udi
+		;;
+	sb1)
+		basic_machine=mipsisa64sb1-unknown
+		;;
+	sb1el)
+		basic_machine=mipsisa64sb1el-unknown
+		;;
+	sde)
+		basic_machine=mipsisa32-sde
+		os=-elf
+		;;
+	sei)
+		basic_machine=mips-sei
+		os=-seiux
+		;;
+	sequent)
+		basic_machine=i386-sequent
+		;;
+	sh)
+		basic_machine=sh-hitachi
+		os=-hms
+		;;
+	sh5el)
+		basic_machine=sh5le-unknown
+		;;
+	sh64)
+		basic_machine=sh64-unknown
+		;;
+	sparclite-wrs | simso-wrs)
+		basic_machine=sparclite-wrs
+		os=-vxworks
+		;;
+	sps7)
+		basic_machine=m68k-bull
+		os=-sysv2
+		;;
+	spur)
+		basic_machine=spur-unknown
+		;;
+	st2000)
+		basic_machine=m68k-tandem
+		;;
+	stratus)
+		basic_machine=i860-stratus
+		os=-sysv4
+		;;
+	sun2)
+		basic_machine=m68000-sun
+		;;
+	sun2os3)
+		basic_machine=m68000-sun
+		os=-sunos3
+		;;
+	sun2os4)
+		basic_machine=m68000-sun
+		os=-sunos4
+		;;
+	sun3os3)
+		basic_machine=m68k-sun
+		os=-sunos3
+		;;
+	sun3os4)
+		basic_machine=m68k-sun
+		os=-sunos4
+		;;
+	sun4os3)
+		basic_machine=sparc-sun
+		os=-sunos3
+		;;
+	sun4os4)
+		basic_machine=sparc-sun
+		os=-sunos4
+		;;
+	sun4sol2)
+		basic_machine=sparc-sun
+		os=-solaris2
+		;;
+	sun3 | sun3-*)
+		basic_machine=m68k-sun
+		;;
+	sun4)
+		basic_machine=sparc-sun
+		;;
+	sun386 | sun386i | roadrunner)
+		basic_machine=i386-sun
+		;;
+	sv1)
+		basic_machine=sv1-cray
+		os=-unicos
+		;;
+	symmetry)
+		basic_machine=i386-sequent
+		os=-dynix
+		;;
+	t3e)
+		basic_machine=alphaev5-cray
+		os=-unicos
+		;;
+	t90)
+		basic_machine=t90-cray
+		os=-unicos
+		;;
+	tic54x | c54x*)
+		basic_machine=tic54x-unknown
+		os=-coff
+		;;
+	tic55x | c55x*)
+		basic_machine=tic55x-unknown
+		os=-coff
+		;;
+	tic6x | c6x*)
+		basic_machine=tic6x-unknown
+		os=-coff
+		;;
+	tile*)
+		basic_machine=tile-unknown
+		os=-linux-gnu
+		;;
+	tx39)
+		basic_machine=mipstx39-unknown
+		;;
+	tx39el)
+		basic_machine=mipstx39el-unknown
+		;;
+	toad1)
+		basic_machine=pdp10-xkl
+		os=-tops20
+		;;
+	tower | tower-32)
+		basic_machine=m68k-ncr
+		;;
+	tpf)
+		basic_machine=s390x-ibm
+		os=-tpf
+		;;
+	udi29k)
+		basic_machine=a29k-amd
+		os=-udi
+		;;
+	ultra3)
+		basic_machine=a29k-nyu
+		os=-sym1
+		;;
+	v810 | necv810)
+		basic_machine=v810-nec
+		os=-none
+		;;
+	vaxv)
+		basic_machine=vax-dec
+		os=-sysv
+		;;
+	vms)
+		basic_machine=vax-dec
+		os=-vms
+		;;
+	vpp*|vx|vx-*)
+		basic_machine=f301-fujitsu
+		;;
+	vxworks960)
+		basic_machine=i960-wrs
+		os=-vxworks
+		;;
+	vxworks68)
+		basic_machine=m68k-wrs
+		os=-vxworks
+		;;
+	vxworks29k)
+		basic_machine=a29k-wrs
+		os=-vxworks
+		;;
+	w65*)
+		basic_machine=w65-wdc
+		os=-none
+		;;
+	w89k-*)
+		basic_machine=hppa1.1-winbond
+		os=-proelf
+		;;
+	xbox)
+		basic_machine=i686-pc
+		os=-mingw32
+		;;
+	xps | xps100)
+		basic_machine=xps100-honeywell
+		;;
+	ymp)
+		basic_machine=ymp-cray
+		os=-unicos
+		;;
+	z8k-*-coff)
+		basic_machine=z8k-unknown
+		os=-sim
+		;;
+	none)
+		basic_machine=none-none
+		os=-none
+		;;
+
+# Here we handle the default manufacturer of certain CPU types.  It is in
+# some cases the only manufacturer, in others, it is the most popular.
+	w89k)
+		basic_machine=hppa1.1-winbond
+		;;
+	op50n)
+		basic_machine=hppa1.1-oki
+		;;
+	op60c)
+		basic_machine=hppa1.1-oki
+		;;
+	romp)
+		basic_machine=romp-ibm
+		;;
+	mmix)
+		basic_machine=mmix-knuth
+		;;
+	rs6000)
+		basic_machine=rs6000-ibm
+		;;
+	vax)
+		basic_machine=vax-dec
+		;;
+	pdp10)
+		# there are many clones, so DEC is not a safe bet
+		basic_machine=pdp10-unknown
+		;;
+	pdp11)
+		basic_machine=pdp11-dec
+		;;
+	we32k)
+		basic_machine=we32k-att
+		;;
+	sh[1234] | sh[24]a | sh[34]eb | sh[1234]le | sh[23]ele)
+		basic_machine=sh-unknown
+		;;
+	sparc | sparcv8 | sparcv9 | sparcv9b | sparcv9v)
+		basic_machine=sparc-sun
+		;;
+	cydra)
+		basic_machine=cydra-cydrome
+		;;
+	orion)
+		basic_machine=orion-highlevel
+		;;
+	orion105)
+		basic_machine=clipper-highlevel
+		;;
+	mac | mpw | mac-mpw)
+		basic_machine=m68k-apple
+		;;
+	pmac | pmac-mpw)
+		basic_machine=powerpc-apple
+		;;
+	*-unknown)
+		# Make sure to match an already-canonicalized machine name.
+		;;
+	*)
+		echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
+		exit 1
+		;;
+esac
+
+# Here we canonicalize certain aliases for manufacturers.
+case $basic_machine in
+	*-digital*)
+		basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
+		;;
+	*-commodore*)
+		basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
+		;;
+	*)
+		;;
+esac
+
+# Decode manufacturer-specific aliases for certain operating systems.
+
+if [ x"$os" != x"" ]
+then
+case $os in
+        # First match some system type aliases
+        # that might get confused with valid system types.
+	# -solaris* is a basic system type, with this one exception.
+	-solaris1 | -solaris1.*)
+		os=`echo $os | sed -e 's|solaris1|sunos4|'`
+		;;
+	-solaris)
+		os=-solaris2
+		;;
+	-svr4*)
+		os=-sysv4
+		;;
+	-unixware*)
+		os=-sysv4.2uw
+		;;
+	-gnu/linux*)
+		os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
+		;;
+	# First accept the basic system types.
+	# The portable systems comes first.
+	# Each alternative MUST END IN A *, to match a version number.
+	# -sysv* is not here because it comes later, after sysvr4.
+	-gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
+	      | -*vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[34]*\
+	      | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
+	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
+	      | -aos* \
+	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
+	      | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
+	      | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \
+	      | -openbsd* | -solidbsd* \
+	      | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \
+	      | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \
+	      | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
+	      | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
+	      | -chorusos* | -chorusrdb* \
+	      | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
+	      | -mingw32* | -linux-gnu* | -linux-newlib* | -linux-uclibc* \
+	      | -uxpv* | -beos* | -mpeix* | -udk* \
+	      | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \
+	      | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
+	      | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \
+	      | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \
+	      | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
+	      | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \
+	      | -skyos* | -haiku* | -rdos* | -toppers* | -drops*)
+	# Remember, each alternative MUST END IN *, to match a version number.
+		;;
+	-qnx*)
+		case $basic_machine in
+		    x86-* | i*86-*)
+			;;
+		    *)
+			os=-nto$os
+			;;
+		esac
+		;;
+	-nto-qnx*)
+		;;
+	-nto*)
+		os=`echo $os | sed -e 's|nto|nto-qnx|'`
+		;;
+	-sim | -es1800* | -hms* | -xray | -os68k* | -none* | -v88r* \
+	      | -windows* | -osx | -abug | -netware* | -os9* | -beos* | -haiku* \
+	      | -macos* | -mpw* | -magic* | -mmixware* | -mon960* | -lnews*)
+		;;
+	-mac*)
+		os=`echo $os | sed -e 's|mac|macos|'`
+		;;
+	-linux-dietlibc)
+		os=-linux-dietlibc
+		;;
+	-linux*)
+		os=`echo $os | sed -e 's|linux|linux-gnu|'`
+		;;
+	-sunos5*)
+		os=`echo $os | sed -e 's|sunos5|solaris2|'`
+		;;
+	-sunos6*)
+		os=`echo $os | sed -e 's|sunos6|solaris3|'`
+		;;
+	-opened*)
+		os=-openedition
+		;;
+        -os400*)
+		os=-os400
+		;;
+	-wince*)
+		os=-wince
+		;;
+	-osfrose*)
+		os=-osfrose
+		;;
+	-osf*)
+		os=-osf
+		;;
+	-utek*)
+		os=-bsd
+		;;
+	-dynix*)
+		os=-bsd
+		;;
+	-acis*)
+		os=-aos
+		;;
+	-atheos*)
+		os=-atheos
+		;;
+	-syllable*)
+		os=-syllable
+		;;
+	-386bsd)
+		os=-bsd
+		;;
+	-ctix* | -uts*)
+		os=-sysv
+		;;
+	-nova*)
+		os=-rtmk-nova
+		;;
+	-ns2 )
+		os=-nextstep2
+		;;
+	-nsk*)
+		os=-nsk
+		;;
+	# Preserve the version number of sinix5.
+	-sinix5.*)
+		os=`echo $os | sed -e 's|sinix|sysv|'`
+		;;
+	-sinix*)
+		os=-sysv4
+		;;
+        -tpf*)
+		os=-tpf
+		;;
+	-triton*)
+		os=-sysv3
+		;;
+	-oss*)
+		os=-sysv3
+		;;
+	-svr4)
+		os=-sysv4
+		;;
+	-svr3)
+		os=-sysv3
+		;;
+	-sysvr4)
+		os=-sysv4
+		;;
+	# This must come after -sysvr4.
+	-sysv*)
+		;;
+	-ose*)
+		os=-ose
+		;;
+	-es1800*)
+		os=-ose
+		;;
+	-xenix)
+		os=-xenix
+		;;
+	-*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
+		os=-mint
+		;;
+	-aros*)
+		os=-aros
+		;;
+	-kaos*)
+		os=-kaos
+		;;
+	-zvmoe)
+		os=-zvmoe
+		;;
+	-none)
+		;;
+	*)
+		# Get rid of the `-' at the beginning of $os.
+		os=`echo $os | sed 's/[^-]*-//'`
+		echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
+		exit 1
+		;;
+esac
+else
+
+# Here we handle the default operating systems that come with various machines.
+# The value should be what the vendor currently ships out the door with their
+# machine or put another way, the most popular os provided with the machine.
+
+# Note that if you're going to try to match "-MANUFACTURER" here (say,
+# "-sun"), then you have to tell the case statement up towards the top
+# that MANUFACTURER isn't an operating system.  Otherwise, code above
+# will signal an error saying that MANUFACTURER isn't an operating
+# system, and we'll never get to this point.
+
+case $basic_machine in
+        score-*)
+		os=-elf
+		;;
+        spu-*)
+		os=-elf
+		;;
+	*-acorn)
+		os=-riscix1.2
+		;;
+	arm*-rebel)
+		os=-linux
+		;;
+	arm*-semi)
+		os=-aout
+		;;
+        c4x-* | tic4x-*)
+        	os=-coff
+		;;
+	# This must come before the *-dec entry.
+	pdp10-*)
+		os=-tops20
+		;;
+	pdp11-*)
+		os=-none
+		;;
+	*-dec | vax-*)
+		os=-ultrix4.2
+		;;
+	m68*-apollo)
+		os=-domain
+		;;
+	i386-sun)
+		os=-sunos4.0.2
+		;;
+	m68000-sun)
+		os=-sunos3
+		# This also exists in the configure program, but was not the
+		# default.
+		# os=-sunos4
+		;;
+	m68*-cisco)
+		os=-aout
+		;;
+        mep-*)
+		os=-elf
+		;;
+	mips*-cisco)
+		os=-elf
+		;;
+	mips*-*)
+		os=-elf
+		;;
+	or32-*)
+		os=-coff
+		;;
+	*-tti)	# must be before sparc entry or we get the wrong os.
+		os=-sysv3
+		;;
+	sparc-* | *-sun)
+		os=-sunos4.1.1
+		;;
+	*-be)
+		os=-beos
+		;;
+	*-haiku)
+		os=-haiku
+		;;
+	*-ibm)
+		os=-aix
+		;;
+    	*-knuth)
+		os=-mmixware
+		;;
+	*-wec)
+		os=-proelf
+		;;
+	*-winbond)
+		os=-proelf
+		;;
+	*-oki)
+		os=-proelf
+		;;
+	*-hp)
+		os=-hpux
+		;;
+	*-hitachi)
+		os=-hiux
+		;;
+	i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
+		os=-sysv
+		;;
+	*-cbm)
+		os=-amigaos
+		;;
+	*-dg)
+		os=-dgux
+		;;
+	*-dolphin)
+		os=-sysv3
+		;;
+	m68k-ccur)
+		os=-rtu
+		;;
+	m88k-omron*)
+		os=-luna
+		;;
+	*-next )
+		os=-nextstep
+		;;
+	*-sequent)
+		os=-ptx
+		;;
+	*-crds)
+		os=-unos
+		;;
+	*-ns)
+		os=-genix
+		;;
+	i370-*)
+		os=-mvs
+		;;
+	*-next)
+		os=-nextstep3
+		;;
+	*-gould)
+		os=-sysv
+		;;
+	*-highlevel)
+		os=-bsd
+		;;
+	*-encore)
+		os=-bsd
+		;;
+	*-sgi)
+		os=-irix
+		;;
+	*-siemens)
+		os=-sysv4
+		;;
+	*-masscomp)
+		os=-rtu
+		;;
+	f30[01]-fujitsu | f700-fujitsu)
+		os=-uxpv
+		;;
+	*-rom68k)
+		os=-coff
+		;;
+	*-*bug)
+		os=-coff
+		;;
+	*-apple)
+		os=-macos
+		;;
+	*-atari*)
+		os=-mint
+		;;
+	*)
+		os=-none
+		;;
+esac
+fi
+
+# Here we handle the case where we know the os, and the CPU type, but not the
+# manufacturer.  We pick the logical manufacturer.
+vendor=unknown
+case $basic_machine in
+	*-unknown)
+		case $os in
+			-riscix*)
+				vendor=acorn
+				;;
+			-sunos*)
+				vendor=sun
+				;;
+			-aix*)
+				vendor=ibm
+				;;
+			-beos*)
+				vendor=be
+				;;
+			-hpux*)
+				vendor=hp
+				;;
+			-mpeix*)
+				vendor=hp
+				;;
+			-hiux*)
+				vendor=hitachi
+				;;
+			-unos*)
+				vendor=crds
+				;;
+			-dgux*)
+				vendor=dg
+				;;
+			-luna*)
+				vendor=omron
+				;;
+			-genix*)
+				vendor=ns
+				;;
+			-mvs* | -opened*)
+				vendor=ibm
+				;;
+			-os400*)
+				vendor=ibm
+				;;
+			-ptx*)
+				vendor=sequent
+				;;
+			-tpf*)
+				vendor=ibm
+				;;
+			-vxsim* | -vxworks* | -windiss*)
+				vendor=wrs
+				;;
+			-aux*)
+				vendor=apple
+				;;
+			-hms*)
+				vendor=hitachi
+				;;
+			-mpw* | -macos*)
+				vendor=apple
+				;;
+			-*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
+				vendor=atari
+				;;
+			-vos*)
+				vendor=stratus
+				;;
+		esac
+		basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
+		;;
+esac
+
+echo $basic_machine$os
+exit
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "timestamp='"
+# time-stamp-format: "%:y-%02m-%02d"
+# time-stamp-end: "'"
+# End:
diff --git a/configure.ac b/configure.ac
new file mode 100644
index 00000000..b1c5e567
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,282 @@
+dnl Process this file with autoconf to produce a configure script.
+dnl This config.in requires autoconf 2.5 or greater.
+
+AC_PREREQ(2.59)
+AC_INIT(qpdf,2.0)
+
+dnl No AC_CONFIG_HEADERS.  If this changes, update README.maintainer.
+AC_CONFIG_FILES([autoconf.mk])
+AC_CONFIG_FILES([manual/html.xsl manual/print.xsl])
+
+AC_PROG_CC
+AC_PROG_CXX
+AC_HEADER_STDC
+AC_PROG_LIBTOOL
+
+AC_CHECK_HEADER(zlib.h,,[MISSING_ZLIB_H=1; MISSING_ANY=1])
+AC_SEARCH_LIBS(deflate,z zlib,,[MISSING_ZLIB=1; MISSING_ANY=1])
+AC_CHECK_HEADER(pcre.h,,[MISSING_PCRE_H=1; MISSING_ANY=1])
+AC_SEARCH_LIBS(pcre_compile,pcre,,[MISSING_PCRE=1; MISSING_ANY=1])
+
+AC_MSG_CHECKING(for gnu make >= 3.81)
+make_okay=0
+if make --version >/dev/null 2>&1; then
+  v=`make --version | grep 'GNU Make' | sed -e 's/.*Make //'`
+  maj=`echo $v | cut -d. -f 1`
+  min=`echo $v | cut -d. -f 2`
+  if test $maj -gt 3 -o '(' $maj -eq 3 -a $min -ge 81 ')'; then
+     make_okay=1
+  fi
+fi
+if test "$make_okay" = "1"; then
+  AC_MSG_RESULT(yes)
+else
+  dnl Don't set MISSING_ANY=1 -- maybe user calls make something else
+  MISSING_MAKE_381=1
+  ISSUE_WARNINGS=1
+  AC_MSG_RESULT(no)
+fi
+
+AC_SUBST(GENDEPS)
+GENDEPS=0
+AC_MSG_CHECKING(for whether $CC supports -MD -MF x.dep -MP)
+oCFLAGS=$CFLAGS
+rm -f x.dep
+CFLAGS="$CFLAGS -MD -MF x.dep -MP"
+AC_TRY_COMPILE([#include <stdio.h>], [FILE* a = stdout],
+	       qpdf_DEPFLAGS=yes,
+	       qpdf_DEPFLAGS=no)
+CFLAGS=$oCFLAGS
+if test "$qpdf_DEPFLAGS" = "yes"; then
+   if ! grep stdio.h x.dep >/dev/null 2>&1; then
+      qpdf_DEPFLAGS=no
+   fi
+fi
+rm -f x.dep
+if test "$qpdf_DEPFLAGS" = "yes"; then
+   AC_MSG_RESULT(yes)
+   GENDEPS=1
+else
+   AC_MSG_RESULT(no)
+fi
+
+qpdf_USE_WALL=0
+AC_MSG_CHECKING(for whether $CC supports -Wall)
+oCFLAGS=$CFLAGS
+CFLAGS="$CFLAGS -Wall"
+AC_TRY_COMPILE([], [int a = 1; int b = a; a = b;],
+	       qpdf_USE_WALL=1,
+	       qpdf_USE_WALL=0)
+if test "$qpdf_USE_WALL" = "1"; then
+   AC_MSG_RESULT(yes)
+   CXXFLAGS="$CXXFLAGS -Wall"
+else
+   AC_MSG_RESULT(no)
+   CFLAGS=$oCFLAGS
+fi
+
+AC_MSG_CHECKING(for whether to use -Werror)
+AC_ARG_ENABLE(werror,
+   AS_HELP_STRING([--enable-werror],
+		  [whether to use werror (default is yes if -Wall works)]),
+   [if test "$enableval" = "yes"; then
+      qpdf_USE_WERROR=1;
+    else
+      qpdf_USE_WERROR=0;
+    fi], [qpdf_USE_WERROR=$qpdf_USE_WALL])
+if test "$qpdf_USE_WERROR" = "1"; then
+   AC_MSG_RESULT(yes)
+   CFLAGS="$CFLAGS -Werror"
+   CXXFLAGS="$CXXFLAGS -Werror"
+else
+   AC_MSG_RESULT(no)
+fi
+
+AC_SUBST(SKIP_TEST_COMPARE_IMAGES)
+AC_ARG_ENABLE(test-compare-images,
+   AS_HELP_STRING([--enable-test-compare-images],
+		  [whether to compare images in test suite; enabled by default, enabling requires ghostscript and tiffcmp to be available]),
+   [if test "$enableval" = "no"; then
+      SKIP_TEST_COMPARE_IMAGES=1
+    else
+      SKIP_TEST_COMPARE_IMAGES=0
+    fi],
+   [SKIP_TEST_COMPARE_IMAGES=0])
+
+AC_ARG_WITH(docbook-xsl,
+   AS_HELP_STRING([--with-docbook-xsl=DIR],
+		  [location of docbook 4.x xml stylesheets]),
+   [DOCBOOK_XSL=$withval],
+   [DOCBOOK_XSL=/usr/share/xml/docbook/stylesheet/nwalsh])
+
+DOCBOOK_XHTML=
+AC_SUBST(DOCBOOK_XHTML)
+AC_MSG_CHECKING(for xml to xhtml docbook stylesheets)
+if test -f "$DOCBOOK_XSL/xhtml/docbook.xsl"; then
+   DOCBOOK_XHTML="$DOCBOOK_XSL/xhtml/docbook.xsl"
+   AC_MSG_RESULT($DOCBOOK_XHTML)
+else
+   AC_MSG_RESULT(no)
+fi
+DOCBOOK_FO=
+AC_SUBST(DOCBOOK_FO)
+AC_MSG_CHECKING(for xml to fo docbook stylesheets)
+if test -f "$DOCBOOK_XSL/fo/docbook.xsl"; then
+   DOCBOOK_FO="$DOCBOOK_XSL/fo/docbook.xsl"
+   AC_MSG_RESULT($DOCBOOK_FO)
+else
+   AC_MSG_RESULT(no)
+fi
+
+DOCBOOKX_DTD=
+AC_SUBST(DOCBOOKX_DTD)
+AC_ARG_WITH(docbookx-dtd,
+   AS_HELP_STRING([--with-docbookx-dtd=FILE],
+		  [location of docbook 4.x xml DTD]),
+   [DOCBOOKX_DTD=$withval],
+   [DOCBOOKX_DTD=/usr/share/xml/docbook/schema/dtd/4/docbookx.dtd])
+AC_MSG_CHECKING(for docbook 4.x xml DTD)
+if test -f "$DOCBOOKX_DTD"; then
+   AC_MSG_RESULT($DOCBOOKX_DTD)
+else
+   AC_MSG_RESULT(no)
+fi
+
+AC_CHECK_PROG(FOP,fop,fop,[])
+AC_CHECK_PROG(XSLTPROC,xsltproc,xsltproc,[])
+AC_CHECK_PROG(XMLLINT,xmllint,xmllint,[])
+
+AC_ARG_ENABLE(doc-maintenance,
+   AS_HELP_STRING([--enable-doc-maintenance],
+		  [if set, enables all documentation options]),
+   [if test "$enableval" = "yes"; then
+      doc_default=1;
+    else
+      doc_default=0;
+    fi],
+   [doc_default=0])
+
+BUILD_HTML=0
+AC_SUBST(BUILD_HTML)
+AC_ARG_ENABLE(html-doc,
+   AS_HELP_STRING([--enable-html-doc],
+		  [whether to build HTML documents]),
+   [if test "$enableval" = "yes"; then
+      BUILD_HTML=1;
+    else
+      BUILD_HTML=0;
+    fi],
+   [BUILD_HTML=$doc_default])
+BUILD_PDF=0
+AC_SUBST(BUILD_PDF)
+AC_ARG_ENABLE(pdf-doc,
+   AS_HELP_STRING([--enable-pdf-doc],
+		  [whether to build PDF documents]),
+   [if test "$enableval" = "yes"; then
+      BUILD_PDF=1;
+    else
+      BUILD_PDF=0;
+    fi],
+   [BUILD_PDF=$doc_default])
+VALIDATE_DOC=0
+AC_SUBST(VALIDATE_DOC)
+AC_ARG_ENABLE(validate-doc,
+   AS_HELP_STRING([--enable-validate-doc],
+		  [whether to validate xml document source]),
+   [if test "$enableval" = "yes"; then
+      VALIDATE_DOC=1;
+    else
+      VALIDATE_DOC=0;
+    fi],
+   [VALIDATE_DOC=$doc_default])
+
+if test "$VALIDATE_DOC" = "1"; then
+   if test "$XMLLINT" = ""; then
+      MISSING_XMLLINT=1
+      MISSING_ANY=1
+   fi
+fi
+if test "$BUILD_HTML" = "1"; then
+   if test "$XSLTPROC" = ""; then
+      MISSING_XSLTPROC=1
+      MISSING_ANY=1
+   fi
+   if test "$DOCBOOK_XHTML" = ""; then
+      MISSING_DOCBOOK_XHTML=1
+      MISSING_ANY=1
+   fi
+fi
+if test "$BUILD_PDF" = "1"; then
+   if test "$XSLTPROC" = ""; then
+      MISSING_XSLTPROC=1
+      MISSING_ANY=1
+   fi
+   if test "$DOCBOOK_FO" = ""; then
+      MISSING_DOCBOOK_FO=1
+      MISSING_ANY=1
+   fi
+   if test "$FOP" = ""; then
+      MISSING_FOP=1
+      MISSING_ANY=1
+   fi
+fi
+
+
+if test "$MISSING_ANY" = "1"; then
+  ISSUE_WARNINGS=1
+fi
+if test "$ISSUE_WARNINGS" = "1"; then
+  echo ""
+  echo ""
+fi
+
+if test "$MISSING_MAKE_381" = "1"; then
+  AC_MSG_WARN(gnu make >= 3.81 is required)
+fi
+
+if test "$MISSING_ZLIB_H" = "1"; then
+  AC_MSG_WARN(unable to find required header zlib.h)
+fi
+
+if test "$MISSING_ZLIB" = "1"; then
+  AC_MSG_WARN(unable to find required library z (or zlib))
+fi
+
+if test "$MISSING_PCRE_H" = "1"; then
+  AC_MSG_WARN(unable to find required header pcre.h)
+fi
+
+if test "$MISSING_PCRE" = "1"; then
+  AC_MSG_WARN(unable to find required library pcre)
+fi
+
+if test "$MISSING_DOCBOOK_FO" = "1"; then
+  AC_MSG_WARN(docbook fo stylesheets are required to build PDF documentation)
+fi
+
+if test "$MISSING_DOCBOOK_XHTML" = "1"; then
+  AC_MSG_WARN(docbook xhmtl stylesheets are required to build HTML documentation)
+fi
+
+if test "$MISSING_FOP" = "1"; then
+  AC_MSG_WARN(apache fop is required to build PDF documentation)
+fi
+
+if test "$MISSING_XMLLINT" = "1"; then
+  AC_MSG_WARN(xmllint is required to validate documentation)
+fi
+
+if test "$MISSING_XSLTPROC" = "1"; then
+  AC_MSG_WARN(xsltproc is required to build documentation)
+fi
+
+if test "$ISSUE_WARNINGS" = "1"; then
+  echo ""
+  echo ""
+fi
+
+if test "$MISSING_ANY" = "1"; then
+  AC_MSG_ERROR(some required prerequisites were not found)
+fi
+
+AC_OUTPUT()
diff --git a/doc/stylesheet.css b/doc/stylesheet.css
new file mode 100644
index 00000000..abaf226f
--- /dev/null
+++ b/doc/stylesheet.css
@@ -0,0 +1,284 @@
+/**************************************************************/
+/* Custom style-sheet for the QPDF manual in HTML form.       */
+/**************************************************************/
+
+/*
+ * This file is the CSS for the QPDF manual.  It is based heavily on
+ * the CSS for the Subversion book.  That file contains the following
+ * copyright and attribution:
+ *
+ * Copyright (c) 2003-2007
+ * Ben Collins-Sussman, Brian W. Fitzpatrick, C. Michael Pilato.
+ *
+ * This work is licensed under the Creative Commons Attribution License.
+ * To view a copy of this license, visit
+ * http://creativecommons.org/licenses/by/2.0/ or send a letter to
+ * Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305,
+ * USA.
+ */
+
+body
+{
+    background: white;
+    margin: 0.5in;
+}
+
+p, li, ul, ol, dd, dt
+{
+    font-style: normal;
+    font-weight: normal;
+    color: black;
+}
+
+tt, pre
+{
+    font-family: courier new,courier,fixed;
+}
+
+a
+{
+    color: blue;
+    text-decoration: underline;
+}
+
+a:hover
+{
+    background: rgb(75%,75%,100%);
+    color: blue;
+    text-decoration: underline;
+}
+
+a:visited
+{
+    color: purple;
+    text-decoration: underline;
+}
+
+img
+{
+    border: none;
+}
+
+h1.title
+{
+    font-size: 250%;
+    font-style: normal;
+    font-weight: bold;
+    color: black;
+}
+
+h2.subtitle
+{
+    font-size: 150%;
+    font-style: italic;
+    color: black;
+}
+
+h2.title
+{
+    font-size: 150%;
+    font-style: normal;
+    font-weight: bold;
+    color: black;
+}
+
+h3.title
+{
+    font-size: 125%;
+    font-style: normal;
+    font-weight: bold;
+    color: black;
+}
+
+h4.title
+{
+    font-size: 100%;
+    font-style: normal;
+    font-weight: bold;
+    color: black;
+}
+
+.toc b
+{
+    font-size: 125%;
+    font-style: normal;
+    font-weight: bold;
+    color: black;
+}
+
+.screen, .programlisting, .literal
+{
+    font-family: courier new,courier,fixed;
+    font-style: normal;
+    font-weight: normal;
+}
+
+.command, .option, .type
+{
+    font-family: courier new,courier,fixed;
+    font-style: normal;
+    font-weight: normal;
+}
+
+.filename
+{
+    font-family: arial,helvetica,sans-serif;
+    font-style: italic;
+}
+
+.property
+{
+    font-family: arial,helvetica,sans-serif;
+    font-weight: bold;
+}
+
+.classname
+{
+    font-family: arial,helvetica,sans-serif;
+    font-weight: bold;
+    font-style: italic;
+}
+
+.varname, .function, .envar
+{
+    font-family: arial,helvetica,sans-serif;
+    font-style: italic;
+}
+
+.replaceable
+{
+    font-style: italic;
+    font-size: 100%;
+}
+
+.figure, .example, .table
+{
+    margin: 0.125in 0.25in;
+}
+
+.table table
+{
+    border-width: 1px;
+    border-style: solid;
+    border-color: black;
+    border-spacing: 0;
+    background: rgb(240,240,240);
+}
+
+.table td
+{
+    border: none;
+    border-right: 1px black solid;
+    border-bottom: 1px black solid;
+    padding: 2px;
+}
+
+.table th
+{
+    background: rgb(180,180,180);
+    border: none;
+    border-right: 1px black solid;
+    border-bottom: 1px black solid;
+    padding: 2px;
+}
+
+.table p.title, .figure p.title, .example p.title
+{
+    text-align: left !important;
+    font-size: 100% !important;
+}
+
+.author, .pubdate
+{
+    margin: 0;
+    font-size: 100%;
+    font-style: italic;
+    font-weight: normal;
+    color: black;
+}
+
+.preface div.author, .preface .pubdate
+{
+    font-size: 80%;
+}
+
+.sidebar
+{
+    border-top: dotted 1px black;
+    border-left: dotted 1px black;
+    border-right: solid 2px black;
+    border-bottom: solid 2px black;
+    background: rgb(240,220,170);
+    padding: 0 0.12in;
+    margin: 0.25in;
+}
+
+.note .programlisting, .note .screen,
+.tip .programlisting, .tip .screen,
+.warning .programlisting, .warning .screen,
+.sidebar .programlisting, .sidebar .screen
+{
+    border: none;
+    background: none;
+}
+
+.sidebar p.title
+{
+    text-align: center;
+    font-size: 125%;
+}
+
+.note
+{
+    border: black solid 1px;
+    background: url(./images/note.png) no-repeat rgb(252,246,220);
+    margin: 0.125in 0;
+    padding: 0 55px;
+}
+
+.tip
+{
+    border: black solid 1px;
+    background: url(./images/tip.png) no-repeat rgb(224,244,255);
+    margin: 0.125in 0;
+    padding: 0 55px;
+}
+
+.warning
+{
+    border: black solid 1px;
+    background: url(./images/warning.png) no-repeat rgb(255,210,210);
+    margin: 0.125in 0;
+    padding: 0 55px;
+}
+
+/*
+.note .title, .tip .title, .warning .title
+{
+    display: none;
+}
+*/
+
+.programlisting, .screen
+{
+    font-size: 90%;
+    color: black;
+    margin: 1em 0.25in;
+    padding: 0.5em;
+    background: rgb(240,240,240);
+    border-top: black dotted 1px;
+    border-left: black dotted 1px;
+    border-right: black solid 2px;
+    border-bottom: black solid 2px;
+}
+
+.navheader, .navfooter
+{
+    border: black solid 1px;
+    background: rgb(180,180,200);
+}
+
+.navheader hr, .navfooter hr
+{
+    display: none;
+}
diff --git a/examples/Makefile b/examples/Makefile
new file mode 100644
index 00000000..90899055
--- /dev/null
+++ b/examples/Makefile
@@ -0,0 +1 @@
+include ../make/proxy.mk
diff --git a/examples/build.mk b/examples/build.mk
new file mode 100644
index 00000000..eab2744c
--- /dev/null
+++ b/examples/build.mk
@@ -0,0 +1,26 @@
+BINS_examples = pdf-bookmarks pdf-mod-info pdf-npages
+
+TARGETS_examples = $(foreach B,$(BINS_examples),examples/$(OUTPUT_DIR)/$(B))
+
+$(TARGETS_examples): $(TARGETS_qpdf)
+
+INCLUDES_examples = include
+
+TC_SRCS_examples = $(wildcard examples/*.cc)
+
+# -----
+
+$(foreach B,$(BINS_examples),$(eval \
+  OBJS_$(B) = $(call src_to_obj,examples/$(B).cc)))
+
+ifeq ($(GENDEPS),1)
+-include $(foreach B,$(BINS_examples),$(call obj_to_dep,$(OBJS_$(B))))
+endif
+
+$(foreach B,$(BINS_examples),$(eval \
+  $(OBJS_$(B)): examples/$(OUTPUT_DIR)/%.o: examples/$(B).cc ; \
+	$(call compile,examples/$(B).cc,$(INCLUDES_examples))))
+
+$(foreach B,$(BINS_examples),$(eval \
+  examples/$(OUTPUT_DIR)/$(B): $(OBJS_$(B)) ; \
+	$(call makebin,$(OBJS_$(B)),$$@)))
diff --git a/examples/examples.testcov b/examples/examples.testcov
new file mode 100644
index 00000000..5a19b7c5
--- /dev/null
+++ b/examples/examples.testcov
@@ -0,0 +1,19 @@
+pdf-bookmarks lines 0
+pdf-bookmarks numbers 0
+pdf-bookmarks none 0
+pdf-bookmarks has count 0
+pdf-bookmarks no count 0
+pdf-bookmarks open 0
+pdf-bookmarks closed 0
+pdf-bookmarks dest 0
+pdf-bookmarks targets 0
+pdf-mod-info --dump 0
+pdf-mod-info no in file 0
+pdf-mod-info in-place 0
+pdf-mod-info -key 0
+pdf-mod-info usage wrong val 0
+pdf-mod-info -val 0
+pdf-mod-info usage junk 0
+pdf-mod-info no keys 0
+pdf-mod-info has info 0
+pdf-mod-info file no info 0
diff --git a/examples/pdf-bookmarks.cc b/examples/pdf-bookmarks.cc
new file mode 100644
index 00000000..98bff7fe
--- /dev/null
+++ b/examples/pdf-bookmarks.cc
@@ -0,0 +1,262 @@
+#include <iostream>
+#include <string.h>
+#include <qpdf/QPDF.hh>
+#include <qpdf/QUtil.hh>
+#include <qpdf/QTC.hh>
+
+static char const* whoami = 0;
+static enum { st_none, st_numbers, st_lines } style = st_none;
+static bool show_open = false;
+static bool show_targets = false;
+static std::map<int, int> page_map;
+
+void usage()
+{
+    std::cerr << "Usage: " << whoami << " [options] file.pdf [password]"
+	      << std::endl
+	      << "Options:" << std::endl
+	      << "  -numbers        give bookmarks outline-style numbers"
+	      << std::endl
+	      << "  -lines          draw lines to show bookmark hierarchy"
+	      << std::endl
+	      << "  -show-open      indicate whether a bookmark is initially open"
+	      << std::endl
+	      << "  -show-targets   show target if possible"
+	      << std::endl;
+    exit(2);
+}
+
+void print_lines(std::vector<int>& numbers)
+{
+    for (unsigned int i = 0; i < numbers.size() - 1; ++i)
+    {
+	if (numbers[i])
+	{
+	    std::cout << "| ";
+	}
+	else
+	{
+	    std::cout << "  ";
+	}
+    }
+}
+
+void generate_page_map(QPDF& qpdf)
+{
+    std::vector<QPDFObjectHandle> pages = qpdf.getAllPages();
+    int n = 0;
+    for (std::vector<QPDFObjectHandle>::iterator iter = pages.begin();
+	 iter != pages.end(); ++iter)
+    {
+	QPDFObjectHandle& oh = *iter;
+	page_map[oh.getObjectID()] = ++n;
+    }
+}
+
+void extract_bookmarks(QPDFObjectHandle outlines, std::vector<int>& numbers)
+{
+    if (outlines.hasKey("/Title"))
+    {
+	// No default so gcc will warn on missing tag
+	switch (style)
+	{
+	  case st_none:
+	    QTC::TC("examples", "pdf-bookmarks none");
+	    break;
+
+	  case st_numbers:
+	    QTC::TC("examples", "pdf-bookmarks numbers");
+	    for (std::vector<int>::iterator iter = numbers.begin();
+		 iter != numbers.end(); ++iter)
+	    {
+		std::cout << *iter << ".";
+	    }
+	    std::cout << " ";
+	    break;
+
+	  case st_lines:
+	    QTC::TC("examples", "pdf-bookmarks lines");
+	    print_lines(numbers);
+	    std::cout << "|" << std::endl;
+	    print_lines(numbers);
+	    std::cout << "+-+ ";
+	    break;
+	}
+
+	if (show_open)
+	{
+	    if (outlines.hasKey("/Count"))
+	    {
+		QTC::TC("examples", "pdf-bookmarks has count");
+		int count = outlines.getKey("/Count").getIntValue();
+		if (count > 0)
+		{
+		    // hierarchy is open at this point
+		    QTC::TC("examples", "pdf-bookmarks open");
+		    std::cout << "(v) ";
+		}
+		else
+		{
+		    QTC::TC("examples", "pdf-bookmarks closed");
+		    std::cout << "(>) ";
+		}
+	    }
+	    else
+	    {
+		QTC::TC("examples", "pdf-bookmarks no count");
+		std::cout << "( ) ";
+	    }
+	}
+
+	if (show_targets)
+	{
+	    QTC::TC("examples", "pdf-bookmarks targets");
+	    std::string target = "unknown";
+	    // Only explicit destinations supported for now
+	    if (outlines.hasKey("/Dest"))
+	    {
+		QTC::TC("examples", "pdf-bookmarks dest");
+		QPDFObjectHandle dest = outlines.getKey("/Dest");
+		if ((dest.isArray()) && (dest.getArrayNItems() > 0))
+		{
+		    QPDFObjectHandle first = dest.getArrayItem(0);
+		    int object_id = first.getObjectID();
+		    if (page_map.count(object_id))
+		    {
+			target = QUtil::int_to_string(page_map[object_id]);
+		    }
+		}
+
+		std::cout << "[ -> " << target << " ] ";
+	    }
+	}
+
+	std::cout << outlines.getKey("/Title").getUTF8Value() << std::endl;
+    }
+
+    if (outlines.hasKey("/First"))
+    {
+	numbers.push_back(0);
+	QPDFObjectHandle child = outlines.getKey("/First");
+	while (1)
+	{
+	    ++(numbers.back());
+	    bool has_next = child.hasKey("/Next");
+	    if ((style == st_lines) && (! has_next))
+	    {
+		numbers.back() = 0;
+	    }
+	    extract_bookmarks(child, numbers);
+	    if (has_next)
+	    {
+		child = child.getKey("/Next");
+	    }
+	    else
+	    {
+		break;
+	    }
+	}
+	numbers.pop_back();
+    }
+}
+
+int main(int argc, char* argv[])
+{
+    if ((whoami = strrchr(argv[0], '/')) == NULL)
+    {
+	whoami = argv[0];
+    }
+    else
+    {
+	++whoami;
+    }
+    // For libtool's sake....
+    if (strncmp(whoami, "lt-", 3) == 0)
+    {
+	whoami += 3;
+    }
+
+    if ((argc == 2) && (strcmp(argv[1], "--version") == 0))
+    {
+	std::cout << whoami << " version 1.5" << std::endl;
+	exit(0);
+    }
+
+    int arg;
+    for (arg = 1; arg < argc; ++arg)
+    {
+	if (argv[arg][0] == '-')
+	{
+	    if (strcmp(argv[arg], "-numbers") == 0)
+	    {
+		style = st_numbers;
+	    }
+	    else if (strcmp(argv[arg], "-lines") == 0)
+	    {
+		style = st_lines;
+	    }
+	    else if (strcmp(argv[arg], "-show-open") == 0)
+	    {
+		show_open = true;
+	    }
+	    else if (strcmp(argv[arg], "-show-targets") == 0)
+	    {
+		show_targets = true;
+	    }
+	    else
+	    {
+		usage();
+	    }
+	}
+	else
+	{
+	    break;
+	}
+    }
+
+    if (arg >= argc)
+    {
+	usage();
+    }
+
+    char const* filename = argv[arg++];
+    char const* password = "";
+
+    if (arg < argc)
+    {
+	password = argv[arg++];
+    }
+    if (arg != argc)
+    {
+	usage();
+    }
+
+    try
+    {
+	QPDF qpdf;
+	qpdf.processFile(filename, password);
+
+	QPDFObjectHandle root = qpdf.getRoot();
+	if (root.hasKey("/Outlines"))
+	{
+	    std::vector<int> numbers;
+	    if (show_targets)
+	    {
+		generate_page_map(qpdf);
+	    }
+	    extract_bookmarks(root.getKey("/Outlines"), numbers);
+	}
+	else
+	{
+	    std::cout << filename << " has no bookmarks" << std::endl;
+	}
+    }
+    catch (std::exception &e)
+    {
+	std::cerr << whoami << " processing file " << filename << ": "
+		  << e.what() << std::endl;
+	exit(2);
+    }
+
+    return 0;
+}
diff --git a/examples/pdf-mod-info.cc b/examples/pdf-mod-info.cc
new file mode 100644
index 00000000..cd2bd034
--- /dev/null
+++ b/examples/pdf-mod-info.cc
@@ -0,0 +1,219 @@
+// Author: Vitaliy Pavlyuk
+
+#include <qpdf/QPDF.hh>
+#include <qpdf/QPDFWriter.hh>
+#include <qpdf/QPDFObjectHandle.hh>
+#include <qpdf/QUtil.hh>
+#include <qpdf/QTC.hh>
+#include <iostream>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+static char const* version = "1.1";
+static char const* whoami = 0;
+
+void usage()
+{
+    std::cerr
+	<< "Usage: " << whoami
+	<< " -in in_file [-out out_file] [-key key [-val val]?]+\n"
+	<< "Modifies/Adds/Removes PDF /Info entries in the in_file\n"
+	<< "and stores the result in out_file\n"
+	<< "Special mode: " << whoami << " --dump file\n"
+	<< "dumps all /Info entries to stdout\n";
+    exit(2);
+}
+
+void dumpInfoDict(QPDF& pdf,
+		  std::ostream& os = std::cout,
+		  std::string const& sep = ":\t")
+{
+    QPDFObjectHandle trailer = pdf.getTrailer();
+    if (trailer.hasKey("/Info"))
+    {
+	QPDFObjectHandle info = trailer.getKey("/Info");
+	std::set<std::string> keys = info.getKeys();
+	for (std::set<std::string>::const_iterator it = keys.begin();
+	     keys.end() != it; ++it)
+	{
+	    QPDFObjectHandle elt = info.getKey(*it);
+	    std::string val;
+	    if (false) {}
+	    else if (elt.isString())
+	    {
+		val = elt.getStringValue();
+	    }
+	    else if (elt.isName())
+	    {
+		val = elt.getName();
+	    }
+	    else // according to PDF Spec 1.5, shouldn't happen
+	    {
+		val = elt.unparseResolved();
+	    }
+	    os << it->substr(1) << sep << val << std::endl; // skip '/'
+	}
+    }
+}
+
+void pdfDumpInfoDict(char const* fname)
+{
+    try
+    {
+	QPDF pdf;
+	pdf.processFile(fname);
+	dumpInfoDict(pdf);
+    }
+    catch (std::exception& e)
+    {
+	std::cerr << e.what() << std::endl;
+	exit(2);
+    }
+}
+
+int main(int argc, char* argv[])
+{
+
+    bool static_id = false;
+    std::map<std::string, std::string> Keys;
+
+    if ((whoami = strrchr(argv[0], '/')) == NULL)
+    {
+	whoami = argv[0];
+    }
+    else
+    {
+	++whoami;
+    }
+    // For libtool's sake....
+    if (strncmp(whoami, "lt-", 3) == 0)
+    {
+	whoami += 3;
+    }
+
+    if ((argc == 2) && (! strcmp(argv[1], "--version")) )
+    {
+	std::cout << whoami << " version " << version << std::endl;
+	exit(0);
+    }
+    if ((argc == 4) && (! strcmp(argv[1], "--dump")) &&
+	(strcmp(argv[2], "-in") == 0) )
+    {
+	QTC::TC("examples", "pdf-mod-info --dump");
+	pdfDumpInfoDict(argv[3]);
+	exit(0);
+    }
+
+    char* fl_in = 0;
+    char* fl_out = 0;
+    char* cur_key = 0;
+
+    for (int i = 1; i < argc; ++i)
+    {
+	if ((! strcmp(argv[i], "-in")) && (++i < argc))
+	{
+	    fl_in = argv[i];
+	}
+	else if ((! strcmp(argv[i], "-out")) && (++i < argc))
+	{
+	    fl_out = argv[i];
+	}
+	else if (! strcmp(argv[i], "--static-id")) // don't document
+	{
+	    static_id = true; // this should be used in test suites only
+	}
+	else if ((! strcmp(argv[i], "-key")) && (++i < argc))
+	{
+	    QTC::TC("examples", "pdf-mod-info -key");
+	    cur_key = argv[i];
+	    Keys[cur_key] = "";
+	}
+	else if ((! strcmp(argv[i], "-val")) && (++i < argc))
+	{
+	    if (cur_key == 0)
+	    {
+		QTC::TC("examples", "pdf-mod-info usage wrong val");
+		usage();
+	    }
+	    QTC::TC("examples", "pdf-mod-info -val");
+	    Keys[cur_key] = argv[i];
+	    cur_key = 0;
+	}
+	else
+	{
+	    QTC::TC("examples", "pdf-mod-info usage junk");
+	    usage();
+	}
+    }
+    if (! fl_in)
+    {
+	QTC::TC("examples", "pdf-mod-info no in file");
+	usage();
+    }
+    if (! fl_out)
+    {
+	QTC::TC("examples", "pdf-mod-info in-place");
+	fl_out = fl_in;
+    }
+    if (Keys.size() == 0)
+    {
+	QTC::TC("examples", "pdf-mod-info no keys");
+	usage();
+    }
+
+    try
+    {
+	QPDF file;
+	file.processFile(fl_in);
+
+	QPDFObjectHandle filetrailer = file.getTrailer();
+	QPDFObjectHandle fileinfo;
+
+	for (std::map<std::string, std::string>::const_iterator it =
+		 Keys.begin(); Keys.end() != it; ++it)
+	{
+	    if (! fileinfo.isInitialized())
+	    {
+		if (filetrailer.hasKey("/Info"))
+		{
+		    QTC::TC("examples", "pdf-mod-info has info");
+		    fileinfo = filetrailer.getKey("/Info");
+		}
+		else
+		{
+		    QTC::TC("examples", "pdf-mod-info file no info");
+		    std::map<std::string, QPDFObjectHandle> vacant;
+		    fileinfo = fileinfo.newDictionary(vacant);
+		    filetrailer.replaceKey("/Info", fileinfo);
+		}
+	    }
+	    if (it->second == "")
+	    {
+		fileinfo.removeKey(it->first);
+	    }
+	    else
+	    {
+		QPDFObjectHandle elt = fileinfo.newString(it->second);
+		elt.makeDirect();
+		fileinfo.replaceKey(it->first, elt);
+	    }
+	}
+	std::string fl_tmp = fl_out;
+	fl_tmp += ".tmp";
+	QPDFWriter w(file, fl_tmp.c_str());
+	w.setStreamDataMode(QPDFWriter::s_preserve);
+	w.setLinearization(true);
+	w.setStaticID(static_id);
+	w.write();
+	QUtil::os_wrapper("rename " + fl_tmp + " " + std::string(fl_out),
+			  rename(fl_tmp.c_str(), fl_out));
+    }
+    catch (std::exception& e)
+    {
+	std::cerr << e.what() << std::endl;
+	exit(2);
+    }
+
+    return 0;
+}
diff --git a/examples/pdf-npages.cc b/examples/pdf-npages.cc
new file mode 100644
index 00000000..53074d05
--- /dev/null
+++ b/examples/pdf-npages.cc
@@ -0,0 +1,61 @@
+
+
+#include <iostream>
+#include <string.h>
+
+#include <qpdf/QPDF.hh>
+
+static char const* whoami = 0;
+
+void usage()
+{
+    std::cerr << "Usage: " << whoami << " filename" << std::endl
+	      << "Prints the number of pages in filename" << std::endl;
+    exit(2);
+}
+
+int main(int argc, char* argv[])
+{
+    if ((whoami = strrchr(argv[0], '/')) == NULL)
+    {
+	whoami = argv[0];
+    }
+    else
+    {
+	++whoami;
+    }
+    // For libtool's sake....
+    if (strncmp(whoami, "lt-", 3) == 0)
+    {
+	whoami += 3;
+    }
+
+    if ((argc == 2) && (strcmp(argv[1], "--version") == 0))
+    {
+	std::cout << whoami << " version 1.3" << std::endl;
+	exit(0);
+    }
+
+    if (argc != 2)
+    {
+	usage();
+    }
+    char const* filename = argv[1];
+
+    try
+    {
+	QPDF pdf;
+	pdf.processFile(filename);
+	QPDFObjectHandle root = pdf.getRoot();
+	QPDFObjectHandle pages = root.getKey("/Pages");
+	QPDFObjectHandle count = pages.getKey("/Count");
+	std::cout << count.getIntValue() << std::endl;
+    }
+    catch (std::exception& e)
+    {
+	std::cerr << whoami << ": " << e.what() << std::endl;
+	exit(2);
+    }
+
+    return 0;
+}
diff --git a/examples/qtest/bookmarks.test b/examples/qtest/bookmarks.test
new file mode 100644
index 00000000..4cf4abcf
--- /dev/null
+++ b/examples/qtest/bookmarks.test
@@ -0,0 +1,49 @@
+#!/usr/bin/env perl
+require 5.008;
+BEGIN { $^W = 1; }
+use strict;
+
+chdir("bookmarks");
+
+require TestDriver;
+
+my $td = new TestDriver('pdf-bookmarks');
+
+foreach my $show ("", " -show-open")
+{
+    foreach my $style ("", " -lines", " -numbers")
+    {
+	my $out = "test.$show.$style.out";
+	$out =~ s/ //g;
+	$td->runtest("show:$show, style:$style",
+		     {$td->COMMAND => "pdf-bookmarks $show $style 1.pdf"},
+		     {$td->FILE => $out, $td->EXIT_STATUS => 0},
+		     $td->NORMALIZE_NEWLINES);
+    }
+}
+$td->runtest("no bookmarks",
+	     {$td->COMMAND => "pdf-bookmarks 2.pdf"},
+	     {$td->STRING => "2.pdf has no bookmarks\n",
+	      $td->EXIT_STATUS => 0},
+	     $td->NORMALIZE_NEWLINES);
+
+$td->runtest("bad",
+	     {$td->COMMAND => "pdf-bookmarks 3.pdf"},
+	     {$td->STRING => "pdf-bookmarks processing file 3.pdf: " .
+		  "3.pdf: offset 0: not a PDF file\n",
+		  $td->EXIT_STATUS => 2},
+	     $td->NORMALIZE_NEWLINES);
+
+$td->runtest("encrypted, targets",
+	     {$td->COMMAND => "pdf-bookmarks -show-targets 4.pdf user"},
+	     {$td->FILE => "encrypted.out",
+	      $td->EXIT_STATUS => 0},
+	     $td->NORMALIZE_NEWLINES);
+
+$td->runtest("bookmarks deleted",
+	     {$td->COMMAND => "pdf-bookmarks 5.pdf user"},
+	     {$td->STRING => "5.pdf has no bookmarks\n",
+	      $td->EXIT_STATUS => 0},
+	     $td->NORMALIZE_NEWLINES);
+
+$td->report(10);
diff --git a/examples/qtest/bookmarks/1.pdf b/examples/qtest/bookmarks/1.pdf
new file mode 100644
index 00000000..2003cf97
--- /dev/null
+++ b/examples/qtest/bookmarks/1.pdf
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diff --git a/examples/qtest/bookmarks/test.-show-open.-lines.out b/examples/qtest/bookmarks/test.-show-open.-lines.out
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+++ b/examples/qtest/bookmarks/test..-numbers.out
@@ -0,0 +1,11 @@
+1. Trepak 2 -> 15: /XYZ 66 756 3
+2. Isis 1 -> 5: /XYZ null null null
+2.1. Amanda 1.1 -> 11: /Fit
+2.1.1. Isosicle 1.1.1 -> 12: /FitV 100
+2.1.1.1. Isosicle 1.1.1.1 -> 18: /XYZ null null null
+2.1.1.2. Isosicle 1.1.1.2 -> 19: /XYZ null null null
+2.1.2. Isosicle 1.1.2 -> 12: /XYZ null null null
+2.1.2.1. Isosicle 1.1.2.1 -> 22: /XYZ null null null
+2.2. Sandy 1.2 -> 13: /FitH 792
+2.2.1. Trepsichord 1.2.1 -> 1: /FitR 66 714 180 770
+2.2.2. Trepsicle 1.2.2 -> 0: /XYZ null null null
diff --git a/examples/qtest/bookmarks/test...out b/examples/qtest/bookmarks/test...out
new file mode 100644
index 00000000..31a1cf45
--- /dev/null
+++ b/examples/qtest/bookmarks/test...out
@@ -0,0 +1,11 @@
+Trepak 2 -> 15: /XYZ 66 756 3
+Isis 1 -> 5: /XYZ null null null
+Amanda 1.1 -> 11: /Fit
+Isosicle 1.1.1 -> 12: /FitV 100
+Isosicle 1.1.1.1 -> 18: /XYZ null null null
+Isosicle 1.1.1.2 -> 19: /XYZ null null null
+Isosicle 1.1.2 -> 12: /XYZ null null null
+Isosicle 1.1.2.1 -> 22: /XYZ null null null
+Sandy 1.2 -> 13: /FitH 792
+Trepsichord 1.2.1 -> 1: /FitR 66 714 180 770
+Trepsicle 1.2.2 -> 0: /XYZ null null null
diff --git a/examples/qtest/mod-info.test b/examples/qtest/mod-info.test
new file mode 100644
index 00000000..83cc3ba0
--- /dev/null
+++ b/examples/qtest/mod-info.test
@@ -0,0 +1,93 @@
+#!/usr/bin/env perl
+require 5.008;
+BEGIN { $^W = 1; }
+use strict;
+use File::Copy;
+
+chdir("mod-info");
+
+require TestDriver;
+
+my $td = new TestDriver('pdf-mod-info');
+
+my $prg = "pdf-mod-info";
+my $qpdf = $ENV{'QPDF_BIN'} or die;
+
+cleanup();
+
+$td->runtest("usage #1",
+	     {$td->COMMAND => "$prg -in target.pdf"},
+	     {$td->FILE => "usage.out",
+	      $td->EXIT_STATUS => 2});
+
+$td->runtest("usage #2",
+	     {$td->COMMAND => "$prg -key abc -val def"},
+	     {$td->FILE => "usage.out",
+	      $td->EXIT_STATUS => 2});
+
+$td->runtest("usage #3",
+	     {$td->COMMAND => "$prg -key abc -val def abc"},
+	     {$td->FILE => "usage.out",
+	      $td->EXIT_STATUS => 2});
+
+$td->runtest("usage #4",
+	     {$td->COMMAND => "$prg -in source1.pdf -key /date -val 01/01/01 -val 12/12/12"},
+	     {$td->FILE => "usage.out",
+	      $td->EXIT_STATUS => 2});
+
+$td->runtest("dump #1",
+	     {$td->COMMAND => "$prg --dump -in files/source1.pdf"},
+	     {$td->FILE => "dump.out",
+	      $td->EXIT_STATUS => 0});
+
+$td->runtest("dump #2",
+	     {$td->COMMAND => "$prg --dump -in files/no-info.pdf"},
+	     {$td->STRING => "",
+	      $td->EXIT_STATUS => 0});
+
+$td->runtest("dump #3",
+	     {$td->COMMAND => "$prg --dump -in files/empty-info.pdf"},
+	     {$td->STRING => "",
+	      $td->EXIT_STATUS => 0});
+
+run_and_cmp("modify Subject",
+	    "$prg -in files/source1.pdf -out out.pdf -key /Subject " .
+	    "-val \"Export Business\"",
+	    "", "out.pdf", "files/1.qdf");
+
+run_and_cmp("add Subject, remove Producer, modify CreationDate",
+	    "$prg -in files/source2.pdf -out out.pdf -key /Subject " .
+	    "-val \"Tammlin\" -key /Producer -key /CreationDate -val 12/12",
+	    "", "out.pdf", "files/2.qdf");
+
+run_and_cmp("add Subject (empty-info file)",
+	    "$prg -in files/empty-info.pdf -out out.pdf -key /Subject " .
+	    "-val Tammlin",
+	    "", "out.pdf", "files/3.qdf");
+
+copy("files/no-info.pdf", "no-info.pdf") or die "can't copy no-info: $!";
+run_and_cmp("in-place Producer added (no-info file)",
+	    "$prg -in no-info.pdf -key /Producer -val \"Obivan Kinobi\"",
+	    "", "no-info.pdf", "files/4.qdf");
+
+cleanup();
+
+$td->report(15);
+
+sub cleanup
+{
+    unlink (<*.pdf>);
+}
+
+sub run_and_cmp
+{
+    my ($dsc, $cmd, $out, $fout, $fexp) = @_;
+    $td->runtest($dsc,
+		 {$td->COMMAND => "$cmd --static-id"},
+		 {$td->STRING => $out,
+		  $td->EXIT_STATUS => 0});
+    $td->runtest("$dsc output",
+		 {$td->COMMAND => "$qpdf --static-id -qdf $fout -"},
+		 {$td->FILE => $fexp,
+		  $td->EXIT_STATUS => 0});
+}
diff --git a/examples/qtest/mod-info/dump.out b/examples/qtest/mod-info/dump.out
new file mode 100644
index 00000000..a453f9dd
--- /dev/null
+++ b/examples/qtest/mod-info/dump.out
@@ -0,0 +1,11 @@
+Author:	Yours Truly
+ContentTemperature:	100F
+CreationDate:	D:20040212104653-05'00'
+Creator:	Adobe Acrobat 6.0
+FormerlyKnownAs:	target/branch/leaf/leaf.pdf
+Keywords:	40, 128, public, encryption, ignition, primarily prime
+ModDate:	D:20040212112832-05'00'
+Producer:	Adobe Acrobat 6.0 Image Conversion Plug-in
+Subject:	Of The Matter
+Title:	My New Car Title
+VeryImportantNote:	pordofor stands for portable document format
diff --git a/examples/qtest/mod-info/files/1.qdf b/examples/qtest/mod-info/files/1.qdf
new file mode 100644
index 00000000..2b63f6ae
--- /dev/null
+++ b/examples/qtest/mod-info/files/1.qdf
diff --git a/examples/qtest/mod-info/files/2.qdf b/examples/qtest/mod-info/files/2.qdf
new file mode 100644
index 00000000..63be2439
--- /dev/null
+++ b/examples/qtest/mod-info/files/2.qdf
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+  /ID [<d1db92ffc47f1749a08e8a3b57190061><31415926535897932384626433832795>]
+>>
+startxref
+156408
+%%EOF
diff --git a/examples/qtest/mod-info/files/3.qdf b/examples/qtest/mod-info/files/3.qdf
new file mode 100644
index 00000000..ff82f567
--- /dev/null
+++ b/examples/qtest/mod-info/files/3.qdf
diff --git a/examples/qtest/mod-info/files/4.qdf b/examples/qtest/mod-info/files/4.qdf
new file mode 100644
index 00000000..992314c7
--- /dev/null
+++ b/examples/qtest/mod-info/files/4.qdf
diff --git a/examples/qtest/mod-info/files/empty-info.pdf b/examples/qtest/mod-info/files/empty-info.pdf
new file mode 100644
index 00000000..37bef288
--- /dev/null
+++ b/examples/qtest/mod-info/files/empty-info.pdf
diff --git a/examples/qtest/mod-info/files/no-info.pdf b/examples/qtest/mod-info/files/no-info.pdf
new file mode 100644
index 00000000..05180443
--- /dev/null
+++ b/examples/qtest/mod-info/files/no-info.pdf
diff --git a/examples/qtest/mod-info/files/source1.pdf b/examples/qtest/mod-info/files/source1.pdf
new file mode 100644
index 00000000..86cc3477
--- /dev/null
+++ b/examples/qtest/mod-info/files/source1.pdf
diff --git a/examples/qtest/mod-info/files/source2.pdf b/examples/qtest/mod-info/files/source2.pdf
new file mode 100644
index 00000000..1a814e91
--- /dev/null
+++ b/examples/qtest/mod-info/files/source2.pdf
diff --git a/examples/qtest/mod-info/usage.out b/examples/qtest/mod-info/usage.out
new file mode 100644
index 00000000..5eeba82e
--- /dev/null
+++ b/examples/qtest/mod-info/usage.out
@@ -0,0 +1,5 @@
+Usage: pdf-mod-info -in in_file [-out out_file] [-key key [-val val]?]+
+Modifies/Adds/Removes PDF /Info entries in the in_file
+and stores the result in out_file
+Special mode: pdf-mod-info --dump file
+dumps all /Info entries to stdout
diff --git a/examples/qtest/npages.test b/examples/qtest/npages.test
new file mode 100644
index 00000000..cd81e6b8
--- /dev/null
+++ b/examples/qtest/npages.test
@@ -0,0 +1,23 @@
+#!/usr/bin/env perl
+require 5.008;
+BEGIN { $^W = 1; }
+use strict;
+
+chdir("npages");
+
+require TestDriver;
+
+my $td = new TestDriver('pdf-npages');
+
+$td->runtest("normal",
+	     {$td->COMMAND => "pdf-npages minimal.pdf"},
+	     {$td->STRING => "1\n", $td->EXIT_STATUS => 0},
+	     $td->NORMALIZE_NEWLINES);
+
+$td->runtest("error",
+	     {$td->COMMAND => "pdf-npages bad"},
+	     {$td->STRING => "pdf-npages: bad: offset 0: not a PDF file\n",
+	      $td->EXIT_STATUS => 2},
+	     $td->NORMALIZE_NEWLINES);
+
+$td->report(2);
diff --git a/examples/qtest/npages/bad b/examples/qtest/npages/bad
new file mode 100644
index 00000000..9daeafb9
--- /dev/null
+++ b/examples/qtest/npages/bad
@@ -0,0 +1 @@
+test
diff --git a/examples/qtest/npages/minimal.pdf b/examples/qtest/npages/minimal.pdf
new file mode 100644
index 00000000..a7e01f91
--- /dev/null
+++ b/examples/qtest/npages/minimal.pdf
@@ -0,0 +1,79 @@
+%PDF-1.3
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
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+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+endobj
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+xref
+0 7
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+0000000135 00000 n 
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+0000000403 00000 n 
+0000000438 00000 n 
+trailer <<
+  /Size 7
+  /Root 1 0 R
+>>
+startxref
+556
+%%EOF
diff --git a/include/qpdf/Buffer.hh b/include/qpdf/Buffer.hh
new file mode 100644
index 00000000..703dee3e
--- /dev/null
+++ b/include/qpdf/Buffer.hh
@@ -0,0 +1,32 @@
+// Copyright (c) 2005-2008 Jay Berkenbilt
+//
+// This file is part of qpdf.  This software may be distributed under
+// the terms of version 2 of the Artistic License which may be found
+// in the source distribution.  It is provided "as is" without express
+// or implied warranty.
+
+#ifndef __BUFFER_HH__
+#define __BUFFER_HH__
+
+class Buffer
+{
+  public:
+    Buffer();
+    Buffer(unsigned long size);
+    Buffer(Buffer const&);
+    Buffer& operator=(Buffer const&);
+    ~Buffer();
+    unsigned long getSize() const;
+    unsigned char const* getBuffer() const;
+    unsigned char* getBuffer();
+
+  private:
+    void init(unsigned long size);
+    void copy(Buffer const&);
+    void destroy();
+
+    unsigned long size;
+    unsigned char* buf;
+};
+
+#endif // __BUFFER_HH__
diff --git a/include/qpdf/Pipeline.hh b/include/qpdf/Pipeline.hh
new file mode 100644
index 00000000..acbc2d98
--- /dev/null
+++ b/include/qpdf/Pipeline.hh
@@ -0,0 +1,73 @@
+// Copyright (c) 2005-2008 Jay Berkenbilt
+//
+// This file is part of qpdf.  This software may be distributed under
+// the terms of version 2 of the Artistic License which may be found
+// in the source distribution.  It is provided "as is" without express
+// or implied warranty.
+
+// Generalized Pipeline interface.  By convention, subclasses of
+// Pipeline are called Pl_Something.
+//
+// When an instance of Pipeline is created with a pointer to a next
+// pipeline, that pipeline writes its data to the next one when it
+// finishes with it.  In order to make possible a usage style in which
+// a pipeline may be passed to a function which may stick other
+// pipelines in front of it, the allocator of a pipeline is
+// responsible for its destruction.  In other words, one pipeline
+// object does not attempt to manage the memory of its successor.
+//
+// The client is required to call finish() before destroying a
+// Pipeline in order to avoid loss of data.  A Pipeline class should
+// not throw an exception in the destructor if this hasn't been done
+// though since doing so causes too mcuh trouble when deleting
+// pipelines during error conditions.
+//
+// Some pipelines are resuable (i.e., you can call write() after
+// calling finish() and can call finish() multiple times) while others
+// are not.  It is up to the caller to use a pipeline according to its
+// own restrictions.
+
+#ifndef __PIPELINE_HH__
+#define __PIPELINE_HH__
+
+#include <qpdf/QEXC.hh>
+
+class Pipeline
+{
+  public:
+    class Exception: public QEXC::General
+    {
+      public:
+	Exception(std::string const& message) :
+	    QEXC::General(message)
+	{
+	}
+
+	virtual ~Exception() throw()
+	{
+	}
+    };
+
+    Pipeline(char const* identifier, Pipeline* next);
+
+    virtual ~Pipeline();
+
+    // Subclasses should implement write and finish to do their jobs
+    // and then, if they are not end-of-line pipelines, call
+    // getNext()->write or getNext()->finish.
+    virtual void write(unsigned char* data, int len) = 0;
+    virtual void finish() = 0;
+
+  protected:
+    Pipeline* getNext(bool allow_null = false);
+    std::string identifier;
+
+  private:
+    // Do not implement copy or assign
+    Pipeline(Pipeline const&);
+    Pipeline& operator=(Pipeline const&);
+
+    Pipeline* next;
+};
+
+#endif // __PIPELINE_HH__
diff --git a/include/qpdf/Pl_Buffer.hh b/include/qpdf/Pl_Buffer.hh
new file mode 100644
index 00000000..e78b5a17
--- /dev/null
+++ b/include/qpdf/Pl_Buffer.hh
@@ -0,0 +1,46 @@
+// Copyright (c) 2005-2008 Jay Berkenbilt
+//
+// This file is part of qpdf.  This software may be distributed under
+// the terms of version 2 of the Artistic License which may be found
+// in the source distribution.  It is provided "as is" without express
+// or implied warranty.
+
+#ifndef __PL_BUFFER_HH__
+#define __PL_BUFFER_HH__
+
+// This pipeline accumulates the data passed to it into a memory
+// buffer.  Each subsequent use of this buffer appends to the data
+// accumulated so far.  getBuffer() may be called only after calling
+// finish() and before calling any subsequent write().  At that point,
+// a dynamically allocated Buffer object is returned and the internal
+// buffer is reset.  The caller is responseible for deleting the
+// returned Buffer.
+//
+// For this pipeline, "next" may be null.  If a next pointer is
+// provided, this pipeline will also pass the data through to it.
+
+#include <qpdf/Pipeline.hh>
+#include <qpdf/PointerHolder.hh>
+#include <qpdf/Buffer.hh>
+#include <list>
+
+class Pl_Buffer: public Pipeline
+{
+  public:
+    Pl_Buffer(char const* identifier, Pipeline* next = 0);
+    virtual ~Pl_Buffer();
+    virtual void write(unsigned char*, int);
+    virtual void finish();
+
+    // Each call to getBuffer() resets this object -- see notes above.
+    // The caller is responsible for deleting the returned Buffer
+    // object.
+    Buffer* getBuffer();
+
+  private:
+    bool ready;
+    std::list<PointerHolder<Buffer> > data;
+    size_t total_size;
+};
+
+#endif // __PL_BUFFER_HH__
diff --git a/include/qpdf/Pl_Count.hh b/include/qpdf/Pl_Count.hh
new file mode 100644
index 00000000..287b8297
--- /dev/null
+++ b/include/qpdf/Pl_Count.hh
@@ -0,0 +1,34 @@
+// Copyright (c) 2005-2008 Jay Berkenbilt
+//
+// This file is part of qpdf.  This software may be distributed under
+// the terms of version 2 of the Artistic License which may be found
+// in the source distribution.  It is provided "as is" without express
+// or implied warranty.
+
+#ifndef __PL_COUNT_HH__
+#define __PL_COUNT_HH__
+
+// This pipeline is reusable; i.e., it is safe to call write() after
+// calling finish().
+
+#include <qpdf/Pipeline.hh>
+
+class Pl_Count: public Pipeline
+{
+  public:
+    Pl_Count(char const* identifier, Pipeline* next);
+    virtual ~Pl_Count();
+    virtual void write(unsigned char*, int);
+    virtual void finish();
+    // Returns the number of bytes written
+    int getCount() const;
+    // Returns the last character written, or '\0' if no characters
+    // have been written (in which case getCount() returns 0)
+    unsigned char getLastChar() const;
+
+  private:
+    int count;
+    unsigned char last_char;
+};
+
+#endif // __PL_COUNT_HH__
diff --git a/include/qpdf/Pl_Discard.hh b/include/qpdf/Pl_Discard.hh
new file mode 100644
index 00000000..cd0865a8
--- /dev/null
+++ b/include/qpdf/Pl_Discard.hh
@@ -0,0 +1,28 @@
+// Copyright (c) 2005-2008 Jay Berkenbilt
+//
+// This file is part of qpdf.  This software may be distributed under
+// the terms of version 2 of the Artistic License which may be found
+// in the source distribution.  It is provided "as is" without express
+// or implied warranty.
+
+#ifndef __PL_DISCARD_HH__
+#define __PL_DISCARD_HH__
+
+// This pipeline discards its output.  It is an end-of-line pipeline
+// (with no next).
+
+// This pipeline is reusable; i.e., it is safe to call write() after
+// calling finish().
+
+#include <qpdf/Pipeline.hh>
+
+class Pl_Discard: public Pipeline
+{
+  public:
+    Pl_Discard();
+    virtual ~Pl_Discard();
+    virtual void write(unsigned char*, int);
+    virtual void finish();
+};
+
+#endif // __PL_DISCARD_HH__
diff --git a/include/qpdf/Pl_Flate.hh b/include/qpdf/Pl_Flate.hh
new file mode 100644
index 00000000..16058d37
--- /dev/null
+++ b/include/qpdf/Pl_Flate.hh
@@ -0,0 +1,53 @@
+// Copyright (c) 2005-2008 Jay Berkenbilt
+//
+// This file is part of qpdf.  This software may be distributed under
+// the terms of version 2 of the Artistic License which may be found
+// in the source distribution.  It is provided "as is" without express
+// or implied warranty.
+
+#ifndef __PL_FLATE_HH__
+#define __PL_FLATE_HH__
+
+#include <qpdf/Pipeline.hh>
+
+#include <zlib.h>
+
+class Pl_Flate: public Pipeline
+{
+  public:
+    class Exception: public Pipeline::Exception
+    {
+      public:
+	Exception(std::string const& message) :
+	    Pipeline::Exception(message)
+	{
+	}
+
+	virtual ~Exception() throw ()
+	{
+	}
+    };
+
+    static int const def_bufsize = 65536;
+
+    enum action_e { a_inflate, a_deflate };
+
+    Pl_Flate(char const* identifier, Pipeline* next,
+	     action_e action, int out_bufsize = def_bufsize);
+    virtual ~Pl_Flate();
+
+    virtual void write(unsigned char* data, int len);
+    virtual void finish();
+
+  private:
+    void handleData(unsigned char* data, int len, int flush);
+    void checkError(char const* prefix, int error_code);
+
+    unsigned char* outbuf;
+    int out_bufsize;
+    action_e action;
+    bool initialized;
+    z_stream zstream;
+};
+
+#endif // __PL_FLATE_HH__
diff --git a/include/qpdf/Pl_StdioFile.hh b/include/qpdf/Pl_StdioFile.hh
new file mode 100644
index 00000000..d74ded3a
--- /dev/null
+++ b/include/qpdf/Pl_StdioFile.hh
@@ -0,0 +1,49 @@
+// Copyright (c) 2005-2008 Jay Berkenbilt
+//
+// This file is part of qpdf.  This software may be distributed under
+// the terms of version 2 of the Artistic License which may be found
+// in the source distribution.  It is provided "as is" without express
+// or implied warranty.
+
+// End-of-line pipeline that simply writes its data to a stdio FILE* object.
+
+#ifndef __PL_STDIOFILE_HH__
+#define __PL_STDIOFILE_HH__
+
+#include <qpdf/Pipeline.hh>
+
+#include <stdio.h>
+
+//
+// This pipeline is reusable.
+//
+
+class Pl_StdioFile: public Pipeline
+{
+  public:
+    class Exception: public Pipeline::Exception
+    {
+      public:
+	Exception(std::string const& message) :
+	    Pipeline::Exception(message)
+	{
+	}
+
+	virtual ~Exception() throw ()
+	{
+	}
+    };
+
+    // f is externally maintained; this class just writes to and
+    // flushes it.  It does not close it.
+    Pl_StdioFile(char const* identifier, FILE* f);
+    virtual ~Pl_StdioFile();
+
+    virtual void write(unsigned char* buf, int len);
+    virtual void finish();
+
+  private:
+    FILE* file;
+};
+
+#endif // __PL_STDIOFILE_HH__
diff --git a/include/qpdf/PointerHolder.hh b/include/qpdf/PointerHolder.hh
new file mode 100644
index 00000000..b4e9bb64
--- /dev/null
+++ b/include/qpdf/PointerHolder.hh
@@ -0,0 +1,170 @@
+// Copyright (c) 2005-2008 Jay Berkenbilt
+//
+// This file is part of qpdf.  This software may be distributed under
+// the terms of version 2 of the Artistic License which may be found
+// in the source distribution.  It is provided "as is" without express
+// or implied warranty.
+
+#ifndef __POINTERHOLDER_HH__
+#define __POINTERHOLDER_HH__
+
+#include <iostream>
+
+// This class is basically boost::shared_pointer but predates that by
+// several years.
+
+// This class expects to be initialized with a dynamically allocated
+// object pointer.  It keeps a reference count and deletes this once
+// the reference count goes to zero.  PointerHolder objects are
+// explicitly safe for use in STL containers.
+
+// It is very important that a client who pulls the pointer out of
+// this holder does not let the holder go out of scope until it is
+// finished with the pointer.  It is also important that exactly one
+// instance of this object ever gets initialized with a given pointer.
+// Otherwise, the pointer will be deleted twice, and before that, some
+// objects will be left with a pointer to a deleted object.  In other
+// words, the only legitimate way for two PointerHolder objects to
+// contain the same pointer is for one to be a copy of the other.
+// Copy and assignment semantics are well-defined and essentially
+// allow you to use PointerHolder as a means to get pass-by-reference
+// semantics in a pass-by-value environment without having to worry
+// about memory management details.
+
+// Comparison (== and <) are defined and operate on the internally
+// stored pointers, not on the data.  This makes it possible to store
+// PointerHolder objects in sorted lists or to find them in STL
+// containers just as one would be able to store pointers.  Comparing
+// the underlying pointers provides a well-defined, if not
+// particularly meaningful, ordering.
+
+template <class T>
+class PointerHolder
+{
+  private:
+    class Data
+    {
+      public:
+	Data(T* pointer, bool tracing) :
+	    pointer(pointer),
+	    tracing(tracing),
+	    refcount(0)
+	    {
+		static int next_id = 0;
+		this->unique_id = ++next_id;
+	    }
+	~Data()
+	    {
+		if (this->tracing)
+		{
+		    std::cerr << "PointerHolder deleting pointer "
+			 << (void*)pointer
+			 << std::endl;
+		}
+		delete this->pointer;
+		if (this->tracing)
+		{
+		    std::cerr << "PointerHolder done deleting pointer "
+			 << (void*)pointer
+			 << std::endl;
+		}
+	    }
+	T* pointer;
+	bool tracing;
+	int refcount;
+	int unique_id;
+      private:
+	Data(Data const&);
+	Data& operator=(Data const&);
+    };
+
+  public:
+    PointerHolder(T* pointer = 0, bool tracing = false)
+	{
+	    this->init(new Data(pointer, tracing));
+	}
+    PointerHolder(PointerHolder const& rhs)
+	{
+	    this->copy(rhs);
+	}
+    PointerHolder& operator=(PointerHolder const& rhs)
+	{
+	    if (this != &rhs)
+	    {
+		this->destroy();
+		this->copy(rhs);
+	    }
+	    return *this;
+	}
+    ~PointerHolder()
+	{
+	    this->destroy();
+	}
+    bool operator==(PointerHolder const& rhs) const
+    {
+	return this->data->pointer == rhs.data->pointer;
+    }
+    bool operator<(PointerHolder const& rhs) const
+    {
+	return this->data->pointer < rhs.data->pointer;
+    }
+
+    // NOTE: The pointer returned by getPointer turns into a pumpkin
+    // when the last PointerHolder that contains it disappears.
+    T* getPointer()
+	{
+	    return this->data->pointer;
+	}
+    T const* getPointer() const
+	{
+	    return this->data->pointer;
+	}
+    int getRefcount() const
+	{
+	    return this->data->refcount;
+	}
+
+  private:
+    void init(Data* data)
+	{
+	    this->data = data;
+	    {
+		++this->data->refcount;
+		if (this->data->tracing)
+		{
+		    std::cerr << "PointerHolder " << this->data->unique_id
+			 << " refcount increased to " << this->data->refcount
+			 << std::endl;
+		}
+	    }
+	}
+    void copy(PointerHolder const& rhs)
+	{
+	    this->init(rhs.data);
+	}
+    void destroy()
+	{
+	    bool gone = false;
+	    {
+		if (--this->data->refcount == 0)
+		{
+		    gone = true;
+		}
+		if (this->data->tracing)
+		{
+		    std::cerr << "PointerHolder " << this->data->unique_id
+			 << " refcount decreased to "
+			 << this->data->refcount
+			 << std::endl;
+		}
+	    }
+	    if (gone)
+	    {
+		delete this->data;
+	    }
+	}
+
+    Data* data;
+};
+
+#endif // __POINTERHOLDER_HH__
diff --git a/include/qpdf/QEXC.hh b/include/qpdf/QEXC.hh
new file mode 100644
index 00000000..b94edf7a
--- /dev/null
+++ b/include/qpdf/QEXC.hh
@@ -0,0 +1,119 @@
+// Copyright (c) 2005-2008 Jay Berkenbilt
+//
+// This file is part of qpdf.  This software may be distributed under
+// the terms of version 2 of the Artistic License which may be found
+// in the source distribution.  It is provided "as is" without express
+// or implied warranty.
+
+#ifndef __QEXC_HH__
+#define __QEXC_HH__
+
+#include <string>
+#include <exception>
+#include <errno.h>
+
+namespace QEXC
+{
+    // This namespace contains all exception classes used by the
+    // library.
+
+    // The class hierarchy is as follows:
+
+    //   std::exception
+    //   |
+    //   +-> QEXC::Base
+    //       |
+    //       +-> QEXC::General
+    //       |
+    //       +-> QEXC::Internal
+
+    // QEXC::General is the base class of all standard user-defined
+    // exceptions and "expected" error conditions raised by QClass.
+    // Applications or libraries using QClass are encouraged to derive
+    // their own exceptions from these classes if they wish.  It is
+    // entirely reasonable for code to catch QEXC::General or specific
+    // subclasses of it as part of normal error handling.
+
+    // QEXC::Internal is reserved for internal errors.  These should
+    // be used only for situations that indicate a likely bug in the
+    // software itself.  This may include improper use of a library
+    // function.  Operator errors should not be able to cause Internal
+    // errors.  (There may be some exceptions to this such as users
+    // invoking programs that were intended only to be invoked by
+    // other programs.)  QEXC::Internal should generally not be
+    // trapped except in terminate handlers or top-level exception
+    // handlers which will want to translate them into error messages
+    // and cause the program to exit.  Such top-level handlers may
+    // want to catch std::exception instead.
+
+    // All subclasses of QEXC::Base implement a const unparse() method
+    // which returns a std::string const&.  They also override
+    // std::exception::what() to return a char* with the same value.
+    // unparse() should be implemented in such a way that a program
+    // catching QEXC::Base or std::exception can use the text returned
+    // by unparse() (or what()) without any exception-specific
+    // adornment.  (The program may prefix the program name or other
+    // general information.)  Note that std::exception::what() is a
+    // const method that returns a const char*.  For this reason, it
+    // is essential that unparse() return a const reference to a
+    // string so that what() can be implemented by calling unparse().
+    // This means that the string that unparse() returns a reference
+    // to must not be allocated on the stack in the call to unparse().
+    // The recommended way to do this is for derived exception classes
+    // to store their string descriptions by calling the protected
+    // setMessage() method and then to not override unparse().
+
+    class Base: public std::exception
+    {
+	// This is the common base class for all exceptions in qclass.
+	// Application/library code should not generally catch this
+	// directly.  See above for caveats.
+      public:
+	Base();
+	Base(std::string const& message);
+	virtual ~Base() throw() {}
+	virtual std::string const& unparse() const;
+	virtual const char* what() const throw();
+
+      protected:
+	void setMessage(std::string const& message);
+
+      private:
+	std::string message;
+    };
+
+    class General: public Base
+    {
+	// This is the base class for normal user/library-defined
+	// error conditions.
+      public:
+	General();
+	General(std::string const& message);
+	virtual ~General() throw() {};
+    };
+
+    // Note that Internal is not derived from General.  Internal
+    // errors are too severe.  We don't want internal errors
+    // accidentally trapped as part of QEXC::General.  If you are
+    // going to deal with internal errors, you have to do so
+    // explicitly.
+    class Internal: public Base
+    {
+      public:
+	Internal(std::string const& message);
+	virtual ~Internal() throw() {};
+    };
+
+    class System: public General
+    {
+      public:
+	System(std::string const& prefix, int sys_errno);
+	virtual ~System() throw() {};
+	int getErrno() const;
+
+      private:
+	int sys_errno;
+    };
+};
+
+#endif // __QEXC_HH__
diff --git a/include/qpdf/QPDF.hh b/include/qpdf/QPDF.hh
new file mode 100644
index 00000000..d311b3c8
--- /dev/null
+++ b/include/qpdf/QPDF.hh
@@ -0,0 +1,750 @@
+// Copyright (c) 2005-2008 Jay Berkenbilt
+//
+// This file is part of qpdf.  This software may be distributed under
+// the terms of version 2 of the Artistic License which may be found
+// in the source distribution.  It is provided "as is" without express
+// or implied warranty.
+
+#ifndef __QPDF_HH__
+#define __QPDF_HH__
+
+#include <stdio.h>
+#include <string>
+#include <map>
+#include <list>
+
+#include <qpdf/QPDFXRefEntry.hh>
+#include <qpdf/QPDFObjectHandle.hh>
+#include <qpdf/QPDFTokenizer.hh>
+#include <qpdf/Buffer.hh>
+
+class QPDF_Stream;
+class BitStream;
+class BitWriter;
+class QPDFExc;
+
+class QPDF
+{
+  public:
+    QPDF();
+    ~QPDF();
+
+    // Associate a file with a QPDF object and do initial parsing of
+    // the file.  PDF objects are not read until they are needed.  A
+    // QPDF object may be associated with only on file in its
+    // lifetime.  This method must be called before any methods that
+    // potentially ask for information about the PDF file are called.
+    // Prior to calling this, the only methods that are allowed are
+    // those that set parameters.
+    void processFile(char const* filename, char const* password = "");
+
+    // Parameter settings
+
+    // If true, ignore any cross-reference streams in a hybrid file
+    // (one that contains both cross-reference streams and
+    // cross-reference tables).  This can be useful for testing to
+    // ensure that a hybrid file would work with an older reader.
+    void setIgnoreXRefStreams(bool);
+
+    // By default, any warnings are issued to stderr as they are
+    // encountered.  If this is called with a true value, reporitng of
+    // warnings is suppressed.  You may still retrieve warnings by
+    // calling getWarnings.
+    void setSuppressWarnings(bool);
+
+    // By default, QPDF will try to recover if it finds certain types
+    // of errors in PDF files.  If turned off, it will throw an
+    // exception on the first such problem it finds without attempting
+    // recovery.
+    void setAttemptRecovery(bool);
+
+    // Other public methods
+
+    // Return the list of warnings that have been issued so far and
+    // clear the list.  This method may be called even if processFile
+    // throws an exception.  Note that if setSuppressWarnings was not
+    // called or was called with a false value, any warnings retrieved
+    // here will have already been issued to stderr.
+    std::vector<std::string> getWarnings();
+
+    std::string getFilename() const;
+    std::string getPDFVersion() const;
+    QPDFObjectHandle getTrailer();
+    QPDFObjectHandle getRoot();
+
+    // Install this object handle as an indirect object and return an
+    // indirect reference to it.
+    QPDFObjectHandle makeIndirectObject(QPDFObjectHandle);
+
+    // Retrieve an object by object ID and generation.  Returns an
+    // indirect reference to it.
+    QPDFObjectHandle getObjectByID(int objid, int generation);
+
+    // Encryption support
+
+    struct EncryptionData
+    {
+	// This class holds data read from the encryption dictionary.
+	EncryptionData(int V, int R, int Length_bytes, long P,
+		       std::string const& O, std::string const& U,
+		       std::string const& id1) :
+	    V(V),
+	    R(R),
+	    Length_bytes(Length_bytes),
+	    P(P),
+	    O(O),
+	    U(U),
+	    id1(id1)
+	{
+	}
+
+	int V;
+	int R;
+	int Length_bytes;
+	long P;
+	std::string O;
+	std::string U;
+	std::string id1;
+    };
+
+    static void trim_user_password(std::string& user_password);
+    static std::string compute_data_key(
+	std::string const& encryption_key, int objid, int generation);
+    static std::string compute_encryption_key(
+	std::string const& password, EncryptionData const& data);
+
+    static void compute_encryption_O_U(
+	char const* user_password, char const* owner_password,
+	int V, int R, int key_len, unsigned long P,
+	std::string const& id1,
+	std::string& O, std::string& U);
+    std::string const& getUserPassword() const;
+
+    // Linearization support
+
+    // Returns true iff the file starts with a linearization parameter
+    // dictionary.  Does no additional validation.
+    bool isLinearized();
+
+    // Performs various sanity checks on a linearized file.  Return
+    // true if no errors or warnings.  Otherwise, return false and
+    // output errors and warnings to stdout.
+    bool checkLinearization();
+
+    // Calls checkLinearization() and, if possible, prints normalized
+    // contents of some of the hints tables to stdout.  Normalization
+    // includes adding min values to delta values and adjusting
+    // offsets based on the location and size of the primary hint
+    // stream.
+    void showLinearizationData();
+
+    // Shows the contents of the cross-reference table
+    void showXRefTable();
+
+    // Optimization support -- see doc/optimization.  Implemented in
+    // QPDF_optimization.cc
+
+    // The object_stream_data map maps from a "compressed" object to
+    // the object stream that contains it.  This enables optimize to
+    // populate the object <-> user maps with only uncompressed
+    // objects.  If allow_changes is false, an exception will be
+    // thrown if any changes are made during the optimization process.
+    // This is available so that the test suite can make sure that a
+    // linearized file is already optimized.  When called in this way,
+    // optimize() still populates the object <-> user maps
+    void optimize(std::map<int, int> const& object_stream_data,
+		  bool allow_changes = true);
+
+    // Replace all references to indirect objects that are "scalars"
+    // (i.e., things that don't have children: not arrays, streams, or
+    // dictionaries) with direct objects.
+    void flattenScalarReferences();
+
+    // For QPDFWriter:
+
+    // Remove /ID, /Encrypt, and /Prev keys from the trailer
+    // dictionary since these are regenerated during write.
+    void trimTrailerForWrite();
+
+    // Get lists of all objects in order according to the part of a
+    // linearized file that they belong to.
+    void getLinearizedParts(
+	std::map<int, int> const& object_stream_data,
+	std::vector<QPDFObjectHandle>& part4,
+	std::vector<QPDFObjectHandle>& part6,
+	std::vector<QPDFObjectHandle>& part7,
+	std::vector<QPDFObjectHandle>& part8,
+	std::vector<QPDFObjectHandle>& part9);
+
+    void generateHintStream(std::map<int, QPDFXRefEntry> const& xref,
+			    std::map<int, size_t> const& lengths,
+			    std::map<int, int> const& obj_renumber,
+			    PointerHolder<Buffer>& hint_stream,
+			    int& S, int& O);
+
+    // Map object to object stream that contains it
+    void getObjectStreamData(std::map<int, int>&);
+    // Get a list of objects that would be permitted in an object
+    // stream
+    std::vector<int> getCompressibleObjects();
+
+    // Convenience routines for common functions.  See also
+    // QPDFObjectHandle.hh for additional convenience routines.
+
+    // Traverse page tree return all /Page objects.
+    std::vector<QPDFObjectHandle> const& getAllPages();
+
+    // Resolver class is restricted to QPDFObjectHandle so that only
+    // it can resolve indirect references.
+    class Resolver
+    {
+	friend class QPDFObjectHandle;
+      private:
+	static PointerHolder<QPDFObject> resolve(
+	    QPDF* qpdf, int objid, int generation)
+	{
+	    return qpdf->resolve(objid, generation);
+	}
+    };
+    friend class Resolver;
+
+    // Pipe class is restricted to QPDF_Stream
+    class Pipe
+    {
+	friend class QPDF_Stream;
+      private:
+	static void pipeStreamData(QPDF* qpdf, int objid, int generation,
+				   off_t offset, size_t length,
+				   QPDFObjectHandle dict,
+				   Pipeline* pipeline)
+	{
+	    qpdf->pipeStreamData(
+		objid, generation, offset, length, dict, pipeline);
+	}
+    };
+    friend class Pipe;
+
+  private:
+    class InputSource
+    {
+      public:
+	InputSource() :
+	    last_offset(0)
+	{
+	}
+	virtual ~InputSource()
+	{
+	}
+
+	void setLastOffset(off_t);
+	off_t getLastOffset() const;
+	std::string readLine();
+
+	virtual std::string const& getName() const = 0;
+	virtual off_t tell() = 0;
+	virtual void seek(off_t offset, int whence) = 0;
+	virtual void rewind() = 0;
+	virtual size_t read(char* buffer, int length) = 0;
+	virtual void unreadCh(char ch) = 0;
+
+      protected:
+	off_t last_offset;
+    };
+
+    class FileInputSource: public InputSource
+    {
+      public:
+	FileInputSource();
+	void setFilename(char const* filename);
+	virtual ~FileInputSource();
+	virtual std::string const& getName() const;
+	virtual off_t tell();
+	virtual void seek(off_t offset, int whence);
+	virtual void rewind();
+	virtual size_t read(char* buffer, int length);
+	virtual void unreadCh(char ch);
+
+      private:
+	FileInputSource(FileInputSource const&);
+	FileInputSource& operator=(FileInputSource const&);
+
+	void destroy();
+
+	std::string filename;
+	FILE* file;
+    };
+
+    class BufferInputSource: public InputSource
+    {
+      public:
+	BufferInputSource(std::string const& description, Buffer* buf);
+	virtual ~BufferInputSource();
+	virtual std::string const& getName() const;
+	virtual off_t tell();
+	virtual void seek(off_t offset, int whence);
+	virtual void rewind();
+	virtual size_t read(char* buffer, int length);
+	virtual void unreadCh(char ch);
+
+      private:
+	std::string description;
+	Buffer* buf;
+	off_t cur_offset;
+    };
+
+    class ObjGen
+    {
+      public:
+	ObjGen();
+	ObjGen(int obj, int gen);
+	bool operator<(ObjGen const&) const;
+
+	int obj;
+	int gen;
+    };
+
+    class ObjCache
+    {
+      public:
+	ObjCache() :
+	    end_before_space(0),
+	    end_after_space(0)
+	{
+	}
+	ObjCache(PointerHolder<QPDFObject> object,
+		 off_t end_before_space,
+		 off_t end_after_space) :
+	    object(object),
+	    end_before_space(end_before_space),
+	    end_after_space(end_after_space)
+	{
+	}
+
+	PointerHolder<QPDFObject> object;
+	off_t end_before_space;
+	off_t end_after_space;
+    };
+
+    void parse();
+    void warn(QPDFExc const& e);
+    void setTrailer(QPDFObjectHandle obj);
+    void read_xref(off_t offset);
+    void reconstruct_xref(QPDFExc& e);
+    int read_xrefTable(off_t offset);
+    int read_xrefStream(off_t offset);
+    int processXRefStream(off_t offset, QPDFObjectHandle& xref_stream);
+    void insertXrefEntry(int obj, int f0, int f1, int f2);
+    QPDFObjectHandle readObject(
+	InputSource*, int objid, int generation,
+	bool in_object_stream);
+    QPDFObjectHandle readObjectInternal(
+	InputSource* input, int objid, int generation,
+	bool in_object_stream,
+	bool in_array, bool in_dictionary);
+    int recoverStreamLength(
+	InputSource* input, int objid, int generation, off_t stream_offset);
+    QPDFTokenizer::Token readToken(InputSource*);
+
+    QPDFObjectHandle readObjectAtOffset(
+	off_t offset,
+	int exp_objid, int exp_generation,
+	int& act_objid, int& act_generation);
+    PointerHolder<QPDFObject> resolve(int objid, int generation);
+    void resolveObjectsInStream(int obj_stream_number);
+
+    // Calls finish() on the pipeline when done but does not delete it
+    void pipeStreamData(int objid, int generation,
+			off_t offset, size_t length,
+			QPDFObjectHandle dict,
+			Pipeline* pipeline);
+    void getAllPagesInternal(QPDFObjectHandle cur_pages,
+			     std::vector<QPDFObjectHandle>& result);
+
+    // methods to support encryption -- implemented in QPDF_encryption.cc
+    void initializeEncryption();
+    std::string getKeyForObject(int objid, int generation);
+    void decryptString(std::string&, int objid, int generation);
+    void decryptStream(Pipeline*& pipeline, int objid, int generation,
+		       std::vector<PointerHolder<Pipeline> >& heap);
+
+    // Linearization Hint table structures.
+    // Naming conventions:
+
+    // HSomething is the Something Hint Table or table header
+    // HSomethingEntry is an entry in the Something table
+
+    // delta_something + min_something = something
+    // nbits_something = number of bits required for something
+
+    // something_offset is the pre-adjusted offset in the file.  If >=
+    // H0_offset, H0_length must be added to get an actual file
+    // offset.
+
+    // PDF 1.4: Table F.4
+    struct HPageOffsetEntry
+    {
+	HPageOffsetEntry() :
+	    delta_nobjects(0),
+	    delta_page_length(0),
+	    nshared_objects(0),
+	    delta_content_offset(0),
+	    delta_content_length(0)
+	{
+	}
+
+	int delta_nobjects;			  // 1
+	int delta_page_length;			  // 2
+	int nshared_objects;			  // 3
+	// vectors' sizes = nshared_objects
+	std::vector<int> shared_identifiers;	  // 4
+	std::vector<int> shared_numerators;	  // 5
+	int delta_content_offset;		  // 6
+	int delta_content_length;		  // 7
+    };
+
+    // PDF 1.4: Table F.3
+    struct HPageOffset
+    {
+	HPageOffset() :
+	    min_nobjects(0),
+	    first_page_offset(0),
+	    nbits_delta_nobjects(0),
+	    min_page_length(0),
+	    nbits_delta_page_length(0),
+	    min_content_offset(0),
+	    nbits_delta_content_offset(0),
+	    min_content_length(0),
+	    nbits_delta_content_length(0),
+	    nbits_nshared_objects(0),
+	    nbits_shared_identifier(0),
+	    nbits_shared_numerator(0),
+	    shared_denominator(0)
+	{
+	}
+
+	int min_nobjects;			  // 1
+	int first_page_offset;			  // 2
+	int nbits_delta_nobjects;		  // 3
+	int min_page_length;			  // 4
+	int nbits_delta_page_length;		  // 5
+	int min_content_offset;			  // 6
+	int nbits_delta_content_offset;		  // 7
+	int min_content_length;			  // 8
+	int nbits_delta_content_length;		  // 9
+	int nbits_nshared_objects;		  // 10
+	int nbits_shared_identifier;		  // 11
+	int nbits_shared_numerator;		  // 12
+	int shared_denominator;			  // 13
+	// vector size is npages
+	std::vector<HPageOffsetEntry> entries;
+    };
+
+    // PDF 1.4: Table F.6
+    struct HSharedObjectEntry
+    {
+	HSharedObjectEntry() :
+	    delta_group_length(0),
+	    signature_present(0),
+	    nobjects_minus_one(0)
+	{
+	}
+
+	// Item 3 is a 128-bit signature (unsupported by Acrobat)
+	int delta_group_length;		 	  // 1
+	int signature_present;			  // 2 -- always 0
+	int nobjects_minus_one;			  // 4 -- always 0
+    };
+
+    // PDF 1.4: Table F.5
+    struct HSharedObject
+    {
+	HSharedObject() :
+	    first_shared_obj(0),
+	    first_shared_offset(0),
+	    nshared_first_page(0),
+	    nshared_total(0),
+	    nbits_nobjects(0),
+	    min_group_length(0),
+	    nbits_delta_group_length(0)
+	{
+	}
+
+	int first_shared_obj;			  // 1
+	int first_shared_offset;		  // 2
+	int nshared_first_page;			  // 3
+	int nshared_total;			  // 4
+	int nbits_nobjects;			  // 5
+	int min_group_length;			  // 6
+	int nbits_delta_group_length;		  // 7
+	// vector size is nshared_total
+	std::vector<HSharedObjectEntry> entries;
+    };
+
+    // PDF 1.4: Table F.9
+    struct HGeneric
+    {
+	HGeneric() :
+	    first_object(0),
+	    first_object_offset(0),
+	    nobjects(0),
+	    group_length(0)
+	{
+	}
+
+	int first_object;			  // 1
+	int first_object_offset;		  // 2
+	int nobjects;				  // 3
+	int group_length;			  // 4
+    };
+
+    // Other linearization data structures
+
+    // Initialized from Linearization Parameter dictionary
+    struct LinParameters
+    {
+	LinParameters() :
+	    file_size(0),
+	    first_page_object(0),
+	    first_page_end(0),
+	    npages(0),
+	    xref_zero_offset(0),
+	    first_page(0),
+	    H_offset(0),
+	    H_length(0)
+	{
+	}
+
+	int file_size;		// /L
+	int first_page_object;	// /O
+	int first_page_end;	// /E
+	int npages;		// /N
+	int xref_zero_offset;	// /T
+	int first_page;		// /P
+        int H_offset;		// offset of primary hint stream
+	int H_length;		// length of primary hint stream
+    };
+
+    // Computed hint table value data structures.  These tables
+    // contain the computed values on which the hint table values are
+    // based.  They exclude things like number of bits and store
+    // actual values instead of mins and deltas.  File offsets are
+    // also absolute rather than being offset by the size of the
+    // primary hint table.  We populate the hint table structures from
+    // these during writing and compare the hint table values with
+    // these during validation.  We ignore some values for various
+    // reasons described in the code.  Those values are omitted from
+    // these structures.  Note also that object numbers are object
+    // numbers from the input file, not the output file.
+
+    // Naming convention: CHSomething is analogous to HSomething
+    // above.  "CH" is computed hint.
+
+    struct CHPageOffsetEntry
+    {
+	CHPageOffsetEntry() :
+	    nobjects(0),
+	    nshared_objects(0)
+	{
+	}
+
+	int nobjects;
+	int nshared_objects;
+	// vectors' sizes = nshared_objects
+	std::vector<int> shared_identifiers;
+    };
+
+    struct CHPageOffset
+    {
+	// vector size is npages
+	std::vector<CHPageOffsetEntry> entries;
+    };
+
+    struct CHSharedObjectEntry
+    {
+	CHSharedObjectEntry(int object) :
+	    object(object)
+	{
+	}
+
+	int object;
+    };
+
+    // PDF 1.4: Table F.5
+    struct CHSharedObject
+    {
+	CHSharedObject() :
+	    first_shared_obj(0),
+	    nshared_first_page(0),
+	    nshared_total(0)
+	{
+	}
+
+	int first_shared_obj;
+	int nshared_first_page;
+	int nshared_total;
+	// vector size is nshared_total
+	std::vector<CHSharedObjectEntry> entries;
+    };
+
+    // No need for CHGeneric -- HGeneric is fine as is.
+
+
+    // Data structures to support optimization -- implemented in
+    // QPDF_optimization.cc
+
+    class ObjUser
+    {
+      public:
+	enum user_e
+	{
+	    ou_bad,
+	    ou_page,
+	    ou_thumb,
+	    ou_trailer_key,
+	    ou_root_key,
+	    ou_root
+	};
+
+	// type is set to ou_bad
+	ObjUser();
+
+	// type must be ou_root
+	ObjUser(user_e type);
+
+	// type must be one of ou_page or ou_thumb
+	ObjUser(user_e type, int pageno);
+
+	// type must be one of ou_trailer_key or ou_root_key
+	ObjUser(user_e type, std::string const& key);
+
+	bool operator<(ObjUser const&) const;
+
+	user_e ou_type;
+	int pageno;		// if ou_page;
+	std::string key;	// if ou_trailer_key or ou_root_key
+    };
+
+    // methods to support linearization checking -- implemented in
+    // QPDF_linearization.cc
+    void readLinearizationData();
+    bool checkLinearizationInternal();
+    void dumpLinearizationDataInternal();
+    QPDFObjectHandle readHintStream(Pipeline&, off_t offset, size_t length);
+    void readHPageOffset(BitStream);
+    void readHSharedObject(BitStream);
+    void readHGeneric(BitStream, HGeneric&);
+    int maxEnd(ObjUser const& ou);
+    int getLinearizationOffset(ObjGen const&);
+    QPDFObjectHandle getUncompressedObject(
+	QPDFObjectHandle&, std::map<int, int> const& object_stream_data);
+    int lengthNextN(int first_object, int n,
+		    std::list<std::string>& errors);
+    void checkHPageOffset(std::list<std::string>& errors,
+			  std::list<std::string>& warnings,
+			  std::vector<QPDFObjectHandle> const& pages,
+			  std::map<int, int>& idx_to_obj);
+    void checkHSharedObject(std::list<std::string>& warnings,
+			    std::list<std::string>& errors,
+			    std::vector<QPDFObjectHandle> const& pages,
+			    std::map<int, int>& idx_to_obj);
+    void checkHOutlines(std::list<std::string>& warnings);
+    void dumpHPageOffset();
+    void dumpHSharedObject();
+    void dumpHGeneric(HGeneric&);
+    int adjusted_offset(int offset);
+    QPDFObjectHandle objGenToIndirect(ObjGen const&);
+    void calculateLinearizationData(
+	std::map<int, int> const& object_stream_data);
+    void pushOutlinesToPart(
+	std::vector<QPDFObjectHandle>& part,
+	std::set<ObjGen>& lc_outlines,
+	std::map<int, int> const& object_stream_data);
+    int outputLengthNextN(
+	int in_object, int n,
+	std::map<int, size_t> const& lengths,
+	std::map<int, int> const& obj_renumber);
+    void calculateHPageOffset(
+	std::map<int, QPDFXRefEntry> const& xref,
+	std::map<int, size_t> const& lengths,
+	std::map<int, int> const& obj_renumber);
+    void calculateHSharedObject(
+	std::map<int, QPDFXRefEntry> const& xref,
+	std::map<int, size_t> const& lengths,
+	std::map<int, int> const& obj_renumber);
+    void calculateHOutline(
+	std::map<int, QPDFXRefEntry> const& xref,
+	std::map<int, size_t> const& lengths,
+	std::map<int, int> const& obj_renumber);
+    void writeHPageOffset(BitWriter&);
+    void writeHSharedObject(BitWriter&);
+    void writeHGeneric(BitWriter&, HGeneric&);
+
+
+    // Methods to support optimization
+
+    void optimizePagesTree(
+	QPDFObjectHandle,
+	std::map<std::string, std::vector<QPDFObjectHandle> >&,
+	int& pageno, bool allow_changes);
+    void updateObjectMaps(ObjUser const& ou, QPDFObjectHandle oh);
+    void updateObjectMapsInternal(ObjUser const& ou, QPDFObjectHandle oh,
+				  std::set<ObjGen>& visited, bool top);
+    void filterCompressedObjects(std::map<int, int> const& object_stream_data);
+
+
+    QPDFTokenizer tokenizer;
+    FileInputSource file;
+    bool encrypted;
+    bool encryption_initialized;
+    bool ignore_xref_streams;
+    bool suppress_warnings;
+    bool attempt_recovery;
+    std::string provided_password;
+    std::string user_password;
+    std::string encryption_key;
+    std::string cached_object_encryption_key;
+    int cached_key_objid;
+    int cached_key_generation;
+    std::string pdf_version;
+    std::map<ObjGen, QPDFXRefEntry> xref_table;
+    std::set<int> deleted_objects;
+    std::map<ObjGen, ObjCache> obj_cache;
+    QPDFObjectHandle trailer;
+    std::vector<QPDFObjectHandle> all_pages;
+    std::vector<std::string> warnings;
+
+    // Linearization data
+    int first_xref_item_offset;	// actual value from file
+    bool uncompressed_after_compressed;
+
+    // Linearization parameter dictionary and hint table data: may be
+    // read from file or computed prior to writing a linearized file
+    QPDFObjectHandle lindict;
+    LinParameters linp;
+    HPageOffset page_offset_hints;
+    HSharedObject shared_object_hints;
+    HGeneric outline_hints;
+
+    // Computed linearization data: used to populate above tables
+    // during writing and to compare with them during validation.  c_
+    // means computed.
+    LinParameters c_linp;
+    CHPageOffset c_page_offset_data;
+    CHSharedObject c_shared_object_data;
+    HGeneric c_outline_data;
+
+    // Object ordering data for linearized files: initialized by
+    // calculateLinearizationData().  Part numbers refer to the PDF
+    // 1.4 specification.
+    std::vector<QPDFObjectHandle> part4;
+    std::vector<QPDFObjectHandle> part6;
+    std::vector<QPDFObjectHandle> part7;
+    std::vector<QPDFObjectHandle> part8;
+    std::vector<QPDFObjectHandle> part9;
+
+    // Optimization data
+    std::map<ObjUser, std::set<ObjGen> > obj_user_to_objects;
+    std::map<ObjGen, std::set<ObjUser> > object_to_obj_users;
+};
+
+#endif // __QPDF_HH__
diff --git a/include/qpdf/QPDFExc.hh b/include/qpdf/QPDFExc.hh
new file mode 100644
index 00000000..d3efb3b9
--- /dev/null
+++ b/include/qpdf/QPDFExc.hh
@@ -0,0 +1,22 @@
+// Copyright (c) 2005-2008 Jay Berkenbilt
+//
+// This file is part of qpdf.  This software may be distributed under
+// the terms of version 2 of the Artistic License which may be found
+// in the source distribution.  It is provided "as is" without express
+// or implied warranty.
+
+#ifndef __QPDFEXC_HH__
+#define __QPDFEXC_HH__
+
+#include <qpdf/QEXC.hh>
+
+class QPDFExc: public QEXC::General
+{
+  public:
+    QPDFExc(std::string const& message);
+    QPDFExc(std::string const& filename, int offset,
+	    std::string const& message);
+    virtual ~QPDFExc() throw ();
+};
+
+#endif // __QPDFEXC_HH__
diff --git a/include/qpdf/QPDFObject.hh b/include/qpdf/QPDFObject.hh
new file mode 100644
index 00000000..1597e20e
--- /dev/null
+++ b/include/qpdf/QPDFObject.hh
@@ -0,0 +1,20 @@
+// Copyright (c) 2005-2008 Jay Berkenbilt
+//
+// This file is part of qpdf.  This software may be distributed under
+// the terms of version 2 of the Artistic License which may be found
+// in the source distribution.  It is provided "as is" without express
+// or implied warranty.
+
+#ifndef __QPDFOBJECT_HH__
+#define __QPDFOBJECT_HH__
+
+#include <string>
+
+class QPDFObject
+{
+  public:
+    virtual ~QPDFObject() {}
+    virtual std::string unparse() = 0;
+};
+
+#endif // __QPDFOBJECT_HH__
diff --git a/include/qpdf/QPDFObjectHandle.hh b/include/qpdf/QPDFObjectHandle.hh
new file mode 100644
index 00000000..e38eb116
--- /dev/null
+++ b/include/qpdf/QPDFObjectHandle.hh
@@ -0,0 +1,221 @@
+// Copyright (c) 2005-2008 Jay Berkenbilt
+//
+// This file is part of qpdf.  This software may be distributed under
+// the terms of version 2 of the Artistic License which may be found
+// in the source distribution.  It is provided "as is" without express
+// or implied warranty.
+
+#ifndef __QPDFOBJECTHANDLE_HH__
+#define __QPDFOBJECTHANDLE_HH__
+
+#include <string>
+#include <vector>
+#include <set>
+#include <map>
+
+#include <qpdf/PointerHolder.hh>
+#include <qpdf/Buffer.hh>
+
+#include <qpdf/QPDFObject.hh>
+
+class Pipeline;
+class QPDF;
+
+class QPDFObjectHandle
+{
+  public:
+    QPDFObjectHandle();
+    bool isInitialized() const;
+
+    // Exactly one of these will return true for any object.
+    bool isBool();
+    bool isNull();
+    bool isInteger();
+    bool isReal();
+    bool isName();
+    bool isString();
+    bool isArray();
+    bool isDictionary();
+    bool isStream();
+
+    // This returns true in addition to the query for the specific
+    // type for indirect objects.
+    bool isIndirect();
+
+    // True for everything except array, dictionary, and stream
+    bool isScalar();
+
+    // Public factory methods
+
+    static QPDFObjectHandle newNull();
+    static QPDFObjectHandle newBool(bool value);
+    static QPDFObjectHandle newInteger(int value);
+    static QPDFObjectHandle newReal(std::string const& value);
+    static QPDFObjectHandle newName(std::string const& name);
+    static QPDFObjectHandle newString(std::string const& str);
+    static QPDFObjectHandle newArray(
+	std::vector<QPDFObjectHandle> const& items);
+    static QPDFObjectHandle newDictionary(
+	std::map<std::string, QPDFObjectHandle> const& items);
+
+    // Accessor methods.  If an accessor method that is valid for only
+    // a particular object type is called on an object of the wrong
+    // type, an exception is thrown.
+
+    // Methods for bool objects
+    bool getBoolValue();
+
+    // Methods for integer objects
+    int getIntValue();
+
+    // Methods for real objects
+    std::string getRealValue();
+
+    // Methods that work for both integer and real objects
+    bool isNumber();
+    double getNumericValue();
+
+    // Methods for name objects
+    std::string getName();
+
+    // Methods for string objects
+    std::string getStringValue();
+    std::string getUTF8Value();
+
+    // Methods for array objects
+    int getArrayNItems();
+    QPDFObjectHandle getArrayItem(int n);
+
+    // Methods for dictionary objects
+    bool hasKey(std::string const&);
+    QPDFObjectHandle getKey(std::string const&);
+    std::set<std::string> getKeys();
+
+    // Mutator methods.  Use with caution.
+
+    // Recursively copy this object, making it direct.  Throws an
+    // exception if a loop is detected or any sub-object is a stream.
+    void makeDirect();
+
+    // Mutator methods for array objects
+    void setArrayItem(int, QPDFObjectHandle const&);
+
+    // Mutator methods for dictionary objects
+
+    // Replace value of key, adding it if it does not exist
+    void replaceKey(std::string const& key, QPDFObjectHandle const&);
+    // Remove key, doing nothing if key does not exist
+    void removeKey(std::string const& key);
+
+    // Methods for stream objects
+    QPDFObjectHandle getDict();
+
+    // Returns filtered (uncompressed) stream data.  Throws an
+    // exception if the stream is filtered and we can't decode it.
+    PointerHolder<Buffer> getStreamData();
+
+    // Write stream data through the given pipeline.  A null pipeline
+    // value may be used if all you want to do is determine whether a
+    // stream is filterable.  If filter is false, write raw stream
+    // data and return false.  If filter is true, then attempt to
+    // apply all the decoding filters to the stream data.  If we are
+    // successful, return true.  Otherwise, return false and write raw
+    // data.  If filtering is requested and successfully performed,
+    // then the normalize and compress flags are used to determine
+    // whether stream data should be normalized and compressed.  In
+    // all cases, if this function returns false, raw data has been
+    // written.  If it returns true, then any requested filtering has
+    // been performed.  Note that if the original stream data has no
+    // filters applied to it, the return value will be equal to the
+    // value of the filter parameter.  Callers may use the return
+    // value of this function to determine whether or not the /Filter
+    // and /DecodeParms keys in the stream dictionary should be
+    // replaced if writing a new stream object.
+    bool pipeStreamData(Pipeline*, bool filter,
+			bool normalize, bool compress);
+
+    // return 0 for direct objects
+    int getObjectID() const;
+    int getGeneration() const;
+
+    std::string unparse();
+    std::string unparseResolved();
+
+    // Convenience routines for commonly performed functions
+
+    // Throws an exception if this is not a Page object.  Returns an
+    // empty map if there are no images or no resources.  This
+    // function does not presently support inherited resources.  See
+    // comment in the source for details.  Return value is a map from
+    // XObject name to the image object, which is always a stream.
+    std::map<std::string, QPDFObjectHandle> getPageImages();
+
+    // Throws an exception if this is not a Page object.  Returns a
+    // vector of stream objects representing the content streams for
+    // the given page.  This routine allows the caller to not care
+    // whether there are one or more than one content streams for a
+    // page.
+    std::vector<QPDFObjectHandle> getPageContents();
+
+    // Initializers for objects.  This Factory class gives the QPDF
+    // class specific permission to call factory methods without
+    // making it a friend of the whole QPDFObjectHandle class.
+    class Factory
+    {
+	friend class QPDF;
+      private:
+	static QPDFObjectHandle newIndirect(QPDF* qpdf,
+					    int objid, int generation)
+	{
+	    return QPDFObjectHandle::newIndirect(qpdf, objid, generation);
+	}
+	// object must be dictionary object
+	static QPDFObjectHandle newStream(
+	    QPDF* qpdf, int objid, int generation,
+	    QPDFObjectHandle stream_dict, off_t offset, int length)
+	{
+	    return QPDFObjectHandle::newStream(
+		qpdf, objid, generation, stream_dict, offset, length);
+	}
+    };
+    friend class Factory;
+
+    // Accessor for raw underlying object -- only QPDF is allowed to
+    // call this.
+    class ObjAccessor
+    {
+	friend class QPDF;
+      private:
+	static PointerHolder<QPDFObject> getObject(QPDFObjectHandle& o)
+	{
+	    o.dereference();
+	    return o.obj;
+	}
+    };
+    friend class ObjAccessor;
+
+  private:
+    QPDFObjectHandle(QPDF*, int objid, int generation);
+    QPDFObjectHandle(QPDFObject*);
+
+    // Private object factory methods
+    static QPDFObjectHandle newIndirect(QPDF*, int objid, int generation);
+    static QPDFObjectHandle newStream(
+	QPDF* qpdf, int objid, int generation,
+	QPDFObjectHandle stream_dict, off_t offset, int length);
+
+    void assertInitialized() const;
+    void assertType(char const* type_name, bool istype);
+    void assertPageObject();
+    void dereference();
+    void makeDirectInternal(std::set<int>& visited);
+
+    bool initialized;
+
+    QPDF* qpdf;			// 0 for direct object
+    int objid;			// 0 for direct object
+    int generation;
+    PointerHolder<QPDFObject> obj;
+};
+
+#endif // __QPDFOBJECTHANDLE_HH__
diff --git a/include/qpdf/QPDFTokenizer.hh b/include/qpdf/QPDFTokenizer.hh
new file mode 100644
index 00000000..e921bfc5
--- /dev/null
+++ b/include/qpdf/QPDFTokenizer.hh
@@ -0,0 +1,141 @@
+// Copyright (c) 2005-2008 Jay Berkenbilt
+//
+// This file is part of qpdf.  This software may be distributed under
+// the terms of version 2 of the Artistic License which may be found
+// in the source distribution.  It is provided "as is" without express
+// or implied warranty.
+
+#ifndef __QPDFTOKENIZER_HH__
+#define __QPDFTOKENIZER_HH__
+
+#include <string>
+#include <stdio.h>
+
+class QPDFTokenizer
+{
+  public:
+    enum token_type_e
+    {
+	tt_bad,
+	tt_array_close,
+	tt_array_open,
+	tt_brace_close,
+	tt_brace_open,
+	tt_dict_close,
+	tt_dict_open,
+	tt_integer,
+	tt_name,
+	tt_real,
+	tt_string,
+	tt_null,
+	tt_bool,
+	tt_word,
+    };
+
+    class Token
+    {
+      public:
+	Token() : type(tt_bad) {}
+
+	Token(token_type_e type, std::string const& value) :
+	    type(type),
+	    value(value)
+	{
+	}
+
+	Token(token_type_e type, std::string const& value,
+	      std::string raw_value, std::string error_message) :
+	    type(type),
+	    value(value),
+	    raw_value(raw_value),
+	    error_message(error_message)
+	{
+	}
+	token_type_e getType() const
+	{
+	    return this->type;
+	}
+	std::string const& getValue() const
+	{
+	    return this->value;
+	}
+	std::string const& getRawValue() const
+	{
+	    return this->raw_value;
+	}
+	std::string const& getErrorMessage() const
+	{
+	    return this->error_message;
+	}
+	bool operator==(Token const& rhs)
+	{
+	    // Ignore fields other than type and value
+	    return ((this->type != tt_bad) &&
+		    (this->type == rhs.type) &&
+		    (this->value == rhs.value));
+	}
+
+      private:
+	token_type_e type;
+	std::string value;
+	std::string raw_value;
+	std::string error_message;
+    };
+
+    QPDFTokenizer();
+
+    // PDF files with version < 1.2 allowed the pound character
+    // anywhere in a name.  Starting with version 1.2, the pound
+    // character was allowed only when followed by two hexadecimal
+    // digits.  This method should be called when parsing a PDF file
+    // whose version is older than 1.2.
+    void allowPoundAnywhereInName();
+
+    // Mode of operation:
+
+    // Keep presenting characters and calling getToken() until
+    // getToken() returns true.  When it does, be sure to check
+    // unread_ch and to unread ch if it is true.
+
+    // It these are called when a token is available, an exception
+    // will be thrown.
+    void presentCharacter(char ch);
+    void presentEOF();
+
+    // If a token is available, return true and initialize token with
+    // the token, unread_char with whether or not we have to unread
+    // the last character, and if unread_char, ch with the character
+    // to unread.
+    bool getToken(Token& token, bool& unread_char, char& ch);
+
+    // This function returns true of the current character is between
+    // tokens (i.e., white space that is not part of a string) or is
+    // part of a comment.  A tokenizing filter can call this to
+    // determine whether to output the character.
+    bool betweenTokens();
+
+  private:
+    void reset();
+
+    // Lexer state
+    enum { st_top, st_in_comment, st_in_string, st_lt, st_gt,
+	   st_literal, st_in_hexstring, st_token_ready } state;
+
+    bool pound_special_in_name;
+
+    // Current token accumulation
+    token_type_e type;
+    std::string val;
+    std::string raw_val;
+    std::string error_message;
+    bool unread_char;
+    char char_to_unread;
+
+    // State for strings
+    int string_depth;
+    bool string_ignoring_newline;
+    char bs_num_register[4];
+    bool last_char_was_bs;
+};
+
+#endif // __QPDFTOKENIZER_HH__
diff --git a/include/qpdf/QPDFWriter.hh b/include/qpdf/QPDFWriter.hh
new file mode 100644
index 00000000..f332a227
--- /dev/null
+++ b/include/qpdf/QPDFWriter.hh
@@ -0,0 +1,243 @@
+// Copyright (c) 2005-2008 Jay Berkenbilt
+//
+// This file is part of qpdf.  This software may be distributed under
+// the terms of version 2 of the Artistic License which may be found
+// in the source distribution.  It is provided "as is" without express
+// or implied warranty.
+
+// This class implements a simple writer for saving QPDF objects to
+// new PDF files.  See comments through the header file for additional
+// details.
+
+#ifndef __QPDFWRITER_HH__
+#define __QPDFWRITER_HH__
+
+#include <stdio.h>
+#include <string>
+#include <list>
+#include <vector>
+#include <set>
+#include <map>
+
+#include <qpdf/QPDFXRefEntry.hh>
+
+#include <qpdf/PointerHolder.hh>
+#include <qpdf/Pipeline.hh>
+#include <qpdf/Buffer.hh>
+
+class QPDF;
+class QPDFObjectHandle;
+class Pl_Count;
+
+class QPDFWriter
+{
+  public:
+    // Passing null as filename means write to stdout
+    QPDFWriter(QPDF& pdf, char const* filename);
+    ~QPDFWriter();
+
+    // Set the value of object stream mode.  In disable mode, we never
+    // generate any object streams.  In preserve mode, we preserve
+    // object stream structure from the original file.  In generate
+    // mode, we generate our own object streams.  In all cases, we
+    // generate a conventional cross-reference table if there are no
+    // object streams and a cross-reference stream if there are object
+    // streams.  The default is o_preserve.
+    enum object_stream_e { o_disable, o_preserve, o_generate };
+    void setObjectStreamMode(object_stream_e);
+
+    // Set value of stream data mode.  In uncompress mode, we attempt
+    // to uncompress any stream that we can.  In preserve mode, we
+    // preserve any filtering applied to streams.  In compress mode,
+    // if we can apply all filters and the stream is not already
+    // optimally compressed, recompress the stream.
+    enum stream_data_e { s_uncompress, s_preserve, s_compress };
+    void setStreamDataMode(stream_data_e);
+
+    // Set value of content stream normalization.  The default is
+    // "false".  If true, we attempt to normalize newlines inside of
+    // content streams.  Some constructs such as inline images may
+    // thwart our efforts.  There may be some cases where this can
+    // damage the content stream.  This flag should be used only for
+    // debugging and experimenting with PDF content streams.  Never
+    // use it for production files.
+    void setContentNormalization(bool);
+
+    // Set QDF mode.  QDF mode causes special "pretty printing" of
+    // PDF objects, adds comments for easier perusing of files.
+    // Resulting PDF files can be edited in a text editor and then run
+    // through fix-qdf to update cross reference tables and stream
+    // lengths.
+    void setQDFMode(bool);
+
+    // Cause a static /ID value to be generated.  Use only in test
+    // suites.
+    void setStaticID(bool);
+
+    // Preserve encryption.  The default is true unless prefilering,
+    // content normalization, or qdf mode has been selected in which
+    // case encryption is never preserved.  Encryption is also not
+    // preserved if we explicitly set encryption parameters.
+    void setPreserveEncryption(bool);
+
+    // Set up for encrypted output.  Disables stream prefiltering and
+    // content normalization.  Note that setting R2 encryption
+    // parameters sets the PDF version to at least 1.3, and setting R3
+    // encryption parameters pushes the PDF version number to at least
+    // 1.4.
+    void setR2EncryptionParameters(
+	char const* user_password, char const* owner_password,
+	bool allow_print, bool allow_modify,
+	bool allow_extract, bool allow_annotate);
+    enum r3_print_e
+    {
+	r3p_full,		// allow all printing
+	r3p_low,		// allow only low-resolution printing
+	r3p_none		// allow no printing
+    };
+    enum r3_modify_e
+    {
+	r3m_all,		// allow all modification
+	r3m_annotate,		// allow comment authoring and form operations
+	r3m_form,		// allow form field fill-in or signing
+	r3m_assembly,		// allow only document assembly
+	r3m_none		// allow no modification
+    };
+    void setR3EncryptionParameters(
+	char const* user_password, char const* owner_password,
+	bool allow_accessibility, bool allow_extract,
+	r3_print_e print, r3_modify_e modify);
+
+    // Create linearized output.  Disables qdf mode, content
+    // normalization, and stream prefiltering.
+    void setLinearization(bool);
+
+    void write();
+
+  private:
+    // flags used by unparseObject
+    static int const f_stream = 	1 << 0;
+    static int const f_filtered =	1 << 1;
+    static int const f_in_ostream =     1 << 2;
+
+    enum trailer_e { t_normal, t_lin_first, t_lin_second };
+
+    int bytesNeeded(unsigned long n);
+    void writeBinary(unsigned long val, unsigned int bytes);
+    void writeString(std::string const& str);
+    void writeBuffer(PointerHolder<Buffer>&);
+    void writeStringQDF(std::string const& str);
+    void writeStringNoQDF(std::string const& str);
+    void assignCompressedObjectNumbers(int objid);
+    void enqueueObject(QPDFObjectHandle object);
+    void writeObjectStreamOffsets(std::vector<int>& offsets, int first_obj);
+    void writeObjectStream(QPDFObjectHandle object);
+    void writeObject(QPDFObjectHandle object, int object_stream_index = -1);
+    void writeTrailer(trailer_e which, int size,
+		      bool xref_stream, int prev = 0);
+    void unparseObject(QPDFObjectHandle object, int level,
+		       unsigned int flags);
+    void unparseObject(QPDFObjectHandle object, int level,
+		       unsigned int flags,
+		       // for stream dictionaries
+		       int stream_length, bool compress);
+    void unparseChild(QPDFObjectHandle child, int level, int flags);
+    void initializeSpecialStreams();
+    void preserveObjectStreams();
+    void generateObjectStreams();
+    void generateID();
+    void setEncryptionParameters(
+	char const* user_password, char const* owner_password,
+	int V, int R, int key_len, std::set<int>& bits_to_clear);
+    void setEncryptionParametersInternal(
+	int V, int R, int key_len, long P,
+	std::string const& O, std::string const& U,
+	std::string const& id1, std::string const& user_password);
+    void copyEncryptionParameters();
+    void setDataKey(int objid);
+    int openObject(int objid = 0);
+    void closeObject(int objid);
+    void writeStandard();
+    void writeLinearized();
+    void enqueuePart(std::vector<QPDFObjectHandle>& part);
+    void writeEncryptionDictionary();
+    void writeHeader();
+    void writeHintStream(int hint_id);
+    int writeXRefTable(trailer_e which, int first, int last, int size);
+    int writeXRefTable(trailer_e which, int first, int last, int size,
+		       // for linearization
+		       int prev,
+		       bool suppress_offsets,
+		       int hint_id,
+		       int hint_offset,
+		       int hint_length);
+    int writeXRefStream(int objid, int max_id, int max_offset,
+			trailer_e which, int first, int last, int size);
+    int writeXRefStream(int objid, int max_id, int max_offset,
+			trailer_e which, int first, int last, int size,
+			// for linearization
+			int prev,
+			int hint_id,
+			int hint_offset,
+			int hint_length);
+
+    // When filtering subsections, push additional pipelines to the
+    // stack.  When ready to switch, activate the pipeline stack.
+    // Pipelines passed to pushPipeline are deleted when
+    // clearPipelineStack is called.
+    Pipeline* pushPipeline(Pipeline*);
+    void activatePipelineStack();
+
+    // Calls finish on the current pipeline and pops the pipeline
+    // stack until the top of stack is a previous active top of stack,
+    // and restores the pipeline to that point.  Deletes any piplines
+    // that it pops.  If the bp argument is non-null and any of the
+    // stack items are of type Pl_Buffer, the buffer is retrieved.
+    void popPipelineStack(PointerHolder<Buffer>* bp = 0);
+
+    void pushEncryptionFilter();
+    void pushDiscardFilter();
+
+    QPDF& pdf;
+    char const* filename;
+    FILE* file;
+    bool close_file;
+    bool normalize_content_set;
+    bool normalize_content;
+    bool stream_data_mode_set;
+    stream_data_e stream_data_mode;
+    bool qdf_mode;
+    bool static_id;
+    bool direct_stream_lengths;
+    bool encrypted;
+    bool preserve_encryption;
+    bool linearized;
+    object_stream_e object_stream_mode;
+    std::string encryption_key;
+    std::map<std::string, std::string> encryption_dictionary;
+
+    std::string id1;		// for /ID key of
+    std::string id2;		// trailer dictionary
+    std::string min_pdf_version;
+    int encryption_dict_objid;
+    std::string cur_data_key;
+    std::list<PointerHolder<Pipeline> > to_delete;
+    Pl_Count* pipeline;
+    std::list<QPDFObjectHandle> object_queue;
+    std::map<int, int> obj_renumber;
+    std::map<int, QPDFXRefEntry> xref;
+    std::map<int, size_t> lengths;
+    int next_objid;
+    int cur_stream_length_id;
+    int cur_stream_length;
+    bool added_newline;
+    int max_ostream_index;
+    std::set<int> normalized_streams;
+    std::map<int, int> page_object_to_seq;
+    std::map<int, int> contents_to_page_seq;
+    std::map<int, int> object_to_object_stream;
+    std::map<int, std::set<int> > object_stream_to_objects;
+    std::list<Pipeline*> pipeline_stack;
+};
+
+#endif // __QPDFWRITER_HH__
diff --git a/include/qpdf/QPDFXRefEntry.hh b/include/qpdf/QPDFXRefEntry.hh
new file mode 100644
index 00000000..4b1db9a2
--- /dev/null
+++ b/include/qpdf/QPDFXRefEntry.hh
@@ -0,0 +1,34 @@
+// Copyright (c) 2005-2008 Jay Berkenbilt
+//
+// This file is part of qpdf.  This software may be distributed under
+// the terms of version 2 of the Artistic License which may be found
+// in the source distribution.  It is provided "as is" without express
+// or implied warranty.
+
+#ifndef __QPDFXREFENTRY_HH__
+#define __QPDFXREFENTRY_HH__
+
+class QPDFXRefEntry
+{
+  public:
+    // Type constants are from the PDF spec section
+    // "Cross-Reference Streams":
+    // 0 = free entry; not used
+    // 1 = "uncompressed"; field 1 = offset
+    // 2 = "compressed"; field 1 = object stream number, field 2 = index
+
+    QPDFXRefEntry();
+    QPDFXRefEntry(int type, int field1, int field2);
+
+    int getType() const;
+    int getOffset() const;	// only for type 1
+    int getObjStreamNumber() const; // only for type 2
+    int getObjStreamIndex() const;	// only for type 2
+
+  private:
+    int type;
+    int field1;
+    int field2;
+};
+
+#endif // __QPDFXREFENTRY_HH__
diff --git a/include/qpdf/QTC.hh b/include/qpdf/QTC.hh
new file mode 100644
index 00000000..3d9597d4
--- /dev/null
+++ b/include/qpdf/QTC.hh
@@ -0,0 +1,16 @@
+// Copyright (c) 2005-2008 Jay Berkenbilt
+//
+// This file is part of qpdf.  This software may be distributed under
+// the terms of version 2 of the Artistic License which may be found
+// in the source distribution.  It is provided "as is" without express
+// or implied warranty.
+
+#ifndef __QTC_HH__
+#define __QTC_HH__
+
+namespace QTC
+{
+    void TC(char const* const scope, char const* const ccase, int n = 0);
+};
+
+#endif // __QTC_HH__
diff --git a/include/qpdf/QUtil.hh b/include/qpdf/QUtil.hh
new file mode 100644
index 00000000..f2b67d92
--- /dev/null
+++ b/include/qpdf/QUtil.hh
@@ -0,0 +1,45 @@
+// Copyright (c) 2005-2008 Jay Berkenbilt
+//
+// This file is part of qpdf.  This software may be distributed under
+// the terms of version 2 of the Artistic License which may be found
+// in the source distribution.  It is provided "as is" without express
+// or implied warranty.
+
+#ifndef __QUTIL_HH__
+#define __QUTIL_HH__
+
+#include <string>
+#include <list>
+#include <stdio.h>
+#include <sys/stat.h>
+
+#include <qpdf/QEXC.hh>
+
+namespace QUtil
+{
+    // This is a collection of useful utility functions that don't
+    // really go anywhere else.
+    std::string int_to_string(int, int length = 0);
+    std::string double_to_string(double, int decimal_places = 0);
+
+    // If status is -1, convert the current value of errno to a
+    // QEXC::System exception.  Otherwise, return status.
+    int os_wrapper(std::string const& description, int status)
+	throw (QEXC::System);
+
+    FILE* fopen_wrapper(std::string const&, FILE*)
+	throw (QEXC::System);
+
+    char* copy_string(std::string const&);
+
+    // Get the value of an environment variable in a portable fashion.
+    // Returns true iff the variable is defined.  If `value' is
+    // non-null, initializes it with the value of the variable.
+    bool get_env(std::string const& var, std::string* value = 0);
+
+    // Return a string containing the byte representation of the UTF-8
+    // encoding for the unicode value passed in.
+    std::string toUTF8(unsigned long uval);
+};
+
+#endif // __QUTIL_HH__
diff --git a/install-sh b/install-sh
new file mode 100755
index 00000000..a5897de6
--- /dev/null
+++ b/install-sh
@@ -0,0 +1,519 @@
+#!/bin/sh
+# install - install a program, script, or datafile
+
+scriptversion=2006-12-25.00
+
+# This originates from X11R5 (mit/util/scripts/install.sh), which was
+# later released in X11R6 (xc/config/util/install.sh) with the
+# following copyright and license.
+#
+# Copyright (C) 1994 X Consortium
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to
+# deal in the Software without restriction, including without limitation the
+# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+# sell copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
+# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+# Except as contained in this notice, the name of the X Consortium shall not
+# be used in advertising or otherwise to promote the sale, use or other deal-
+# ings in this Software without prior written authorization from the X Consor-
+# tium.
+#
+#
+# FSF changes to this file are in the public domain.
+#
+# Calling this script install-sh is preferred over install.sh, to prevent
+# `make' implicit rules from creating a file called install from it
+# when there is no Makefile.
+#
+# This script is compatible with the BSD install script, but was written
+# from scratch.
+
+nl='
+'
+IFS=" ""	$nl"
+
+# set DOITPROG to echo to test this script
+
+# Don't use :- since 4.3BSD and earlier shells don't like it.
+doit=${DOITPROG-}
+if test -z "$doit"; then
+  doit_exec=exec
+else
+  doit_exec=$doit
+fi
+
+# Put in absolute file names if you don't have them in your path;
+# or use environment vars.
+
+chgrpprog=${CHGRPPROG-chgrp}
+chmodprog=${CHMODPROG-chmod}
+chownprog=${CHOWNPROG-chown}
+cmpprog=${CMPPROG-cmp}
+cpprog=${CPPROG-cp}
+mkdirprog=${MKDIRPROG-mkdir}
+mvprog=${MVPROG-mv}
+rmprog=${RMPROG-rm}
+stripprog=${STRIPPROG-strip}
+
+posix_glob='?'
+initialize_posix_glob='
+  test "$posix_glob" != "?" || {
+    if (set -f) 2>/dev/null; then
+      posix_glob=
+    else
+      posix_glob=:
+    fi
+  }
+'
+
+posix_mkdir=
+
+# Desired mode of installed file.
+mode=0755
+
+chgrpcmd=
+chmodcmd=$chmodprog
+chowncmd=
+mvcmd=$mvprog
+rmcmd="$rmprog -f"
+stripcmd=
+
+src=
+dst=
+dir_arg=
+dst_arg=
+
+copy_on_change=false
+no_target_directory=
+
+usage="\
+Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
+   or: $0 [OPTION]... SRCFILES... DIRECTORY
+   or: $0 [OPTION]... -t DIRECTORY SRCFILES...
+   or: $0 [OPTION]... -d DIRECTORIES...
+
+In the 1st form, copy SRCFILE to DSTFILE.
+In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
+In the 4th, create DIRECTORIES.
+
+Options:
+     --help     display this help and exit.
+     --version  display version info and exit.
+
+  -c            (ignored)
+  -C            install only if different (preserve the last data modification time)
+  -d            create directories instead of installing files.
+  -g GROUP      $chgrpprog installed files to GROUP.
+  -m MODE       $chmodprog installed files to MODE.
+  -o USER       $chownprog installed files to USER.
+  -s            $stripprog installed files.
+  -t DIRECTORY  install into DIRECTORY.
+  -T            report an error if DSTFILE is a directory.
+
+Environment variables override the default commands:
+  CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
+  RMPROG STRIPPROG
+"
+
+while test $# -ne 0; do
+  case $1 in
+    -c) ;;
+
+    -C) copy_on_change=true;;
+
+    -d) dir_arg=true;;
+
+    -g) chgrpcmd="$chgrpprog $2"
+	shift;;
+
+    --help) echo "$usage"; exit $?;;
+
+    -m) mode=$2
+	case $mode in
+	  *' '* | *'	'* | *'
+'*	  | *'*'* | *'?'* | *'['*)
+	    echo "$0: invalid mode: $mode" >&2
+	    exit 1;;
+	esac
+	shift;;
+
+    -o) chowncmd="$chownprog $2"
+	shift;;
+
+    -s) stripcmd=$stripprog;;
+
+    -t) dst_arg=$2
+	shift;;
+
+    -T) no_target_directory=true;;
+
+    --version) echo "$0 $scriptversion"; exit $?;;
+
+    --)	shift
+	break;;
+
+    -*)	echo "$0: invalid option: $1" >&2
+	exit 1;;
+
+    *)  break;;
+  esac
+  shift
+done
+
+if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
+  # When -d is used, all remaining arguments are directories to create.
+  # When -t is used, the destination is already specified.
+  # Otherwise, the last argument is the destination.  Remove it from $@.
+  for arg
+  do
+    if test -n "$dst_arg"; then
+      # $@ is not empty: it contains at least $arg.
+      set fnord "$@" "$dst_arg"
+      shift # fnord
+    fi
+    shift # arg
+    dst_arg=$arg
+  done
+fi
+
+if test $# -eq 0; then
+  if test -z "$dir_arg"; then
+    echo "$0: no input file specified." >&2
+    exit 1
+  fi
+  # It's OK to call `install-sh -d' without argument.
+  # This can happen when creating conditional directories.
+  exit 0
+fi
+
+if test -z "$dir_arg"; then
+  trap '(exit $?); exit' 1 2 13 15
+
+  # Set umask so as not to create temps with too-generous modes.
+  # However, 'strip' requires both read and write access to temps.
+  case $mode in
+    # Optimize common cases.
+    *644) cp_umask=133;;
+    *755) cp_umask=22;;
+
+    *[0-7])
+      if test -z "$stripcmd"; then
+	u_plus_rw=
+      else
+	u_plus_rw='% 200'
+      fi
+      cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
+    *)
+      if test -z "$stripcmd"; then
+	u_plus_rw=
+      else
+	u_plus_rw=,u+rw
+      fi
+      cp_umask=$mode$u_plus_rw;;
+  esac
+fi
+
+for src
+do
+  # Protect names starting with `-'.
+  case $src in
+    -*) src=./$src;;
+  esac
+
+  if test -n "$dir_arg"; then
+    dst=$src
+    dstdir=$dst
+    test -d "$dstdir"
+    dstdir_status=$?
+  else
+
+    # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
+    # might cause directories to be created, which would be especially bad
+    # if $src (and thus $dsttmp) contains '*'.
+    if test ! -f "$src" && test ! -d "$src"; then
+      echo "$0: $src does not exist." >&2
+      exit 1
+    fi
+
+    if test -z "$dst_arg"; then
+      echo "$0: no destination specified." >&2
+      exit 1
+    fi
+
+    dst=$dst_arg
+    # Protect names starting with `-'.
+    case $dst in
+      -*) dst=./$dst;;
+    esac
+
+    # If destination is a directory, append the input filename; won't work
+    # if double slashes aren't ignored.
+    if test -d "$dst"; then
+      if test -n "$no_target_directory"; then
+	echo "$0: $dst_arg: Is a directory" >&2
+	exit 1
+      fi
+      dstdir=$dst
+      dst=$dstdir/`basename "$src"`
+      dstdir_status=0
+    else
+      # Prefer dirname, but fall back on a substitute if dirname fails.
+      dstdir=`
+	(dirname "$dst") 2>/dev/null ||
+	expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	     X"$dst" : 'X\(//\)[^/]' \| \
+	     X"$dst" : 'X\(//\)$' \| \
+	     X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
+	echo X"$dst" |
+	    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+		   s//\1/
+		   q
+		 }
+		 /^X\(\/\/\)[^/].*/{
+		   s//\1/
+		   q
+		 }
+		 /^X\(\/\/\)$/{
+		   s//\1/
+		   q
+		 }
+		 /^X\(\/\).*/{
+		   s//\1/
+		   q
+		 }
+		 s/.*/./; q'
+      `
+
+      test -d "$dstdir"
+      dstdir_status=$?
+    fi
+  fi
+
+  obsolete_mkdir_used=false
+
+  if test $dstdir_status != 0; then
+    case $posix_mkdir in
+      '')
+	# Create intermediate dirs using mode 755 as modified by the umask.
+	# This is like FreeBSD 'install' as of 1997-10-28.
+	umask=`umask`
+	case $stripcmd.$umask in
+	  # Optimize common cases.
+	  *[2367][2367]) mkdir_umask=$umask;;
+	  .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
+
+	  *[0-7])
+	    mkdir_umask=`expr $umask + 22 \
+	      - $umask % 100 % 40 + $umask % 20 \
+	      - $umask % 10 % 4 + $umask % 2
+	    `;;
+	  *) mkdir_umask=$umask,go-w;;
+	esac
+
+	# With -d, create the new directory with the user-specified mode.
+	# Otherwise, rely on $mkdir_umask.
+	if test -n "$dir_arg"; then
+	  mkdir_mode=-m$mode
+	else
+	  mkdir_mode=
+	fi
+
+	posix_mkdir=false
+	case $umask in
+	  *[123567][0-7][0-7])
+	    # POSIX mkdir -p sets u+wx bits regardless of umask, which
+	    # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
+	    ;;
+	  *)
+	    tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
+	    trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
+
+	    if (umask $mkdir_umask &&
+		exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
+	    then
+	      if test -z "$dir_arg" || {
+		   # Check for POSIX incompatibilities with -m.
+		   # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
+		   # other-writeable bit of parent directory when it shouldn't.
+		   # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
+		   ls_ld_tmpdir=`ls -ld "$tmpdir"`
+		   case $ls_ld_tmpdir in
+		     d????-?r-*) different_mode=700;;
+		     d????-?--*) different_mode=755;;
+		     *) false;;
+		   esac &&
+		   $mkdirprog -m$different_mode -p -- "$tmpdir" && {
+		     ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
+		     test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
+		   }
+		 }
+	      then posix_mkdir=:
+	      fi
+	      rmdir "$tmpdir/d" "$tmpdir"
+	    else
+	      # Remove any dirs left behind by ancient mkdir implementations.
+	      rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
+	    fi
+	    trap '' 0;;
+	esac;;
+    esac
+
+    if
+      $posix_mkdir && (
+	umask $mkdir_umask &&
+	$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
+      )
+    then :
+    else
+
+      # The umask is ridiculous, or mkdir does not conform to POSIX,
+      # or it failed possibly due to a race condition.  Create the
+      # directory the slow way, step by step, checking for races as we go.
+
+      case $dstdir in
+	/*) prefix='/';;
+	-*) prefix='./';;
+	*)  prefix='';;
+      esac
+
+      eval "$initialize_posix_glob"
+
+      oIFS=$IFS
+      IFS=/
+      $posix_glob set -f
+      set fnord $dstdir
+      shift
+      $posix_glob set +f
+      IFS=$oIFS
+
+      prefixes=
+
+      for d
+      do
+	test -z "$d" && continue
+
+	prefix=$prefix$d
+	if test -d "$prefix"; then
+	  prefixes=
+	else
+	  if $posix_mkdir; then
+	    (umask=$mkdir_umask &&
+	     $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
+	    # Don't fail if two instances are running concurrently.
+	    test -d "$prefix" || exit 1
+	  else
+	    case $prefix in
+	      *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
+	      *) qprefix=$prefix;;
+	    esac
+	    prefixes="$prefixes '$qprefix'"
+	  fi
+	fi
+	prefix=$prefix/
+      done
+
+      if test -n "$prefixes"; then
+	# Don't fail if two instances are running concurrently.
+	(umask $mkdir_umask &&
+	 eval "\$doit_exec \$mkdirprog $prefixes") ||
+	  test -d "$dstdir" || exit 1
+	obsolete_mkdir_used=true
+      fi
+    fi
+  fi
+
+  if test -n "$dir_arg"; then
+    { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
+    { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
+    { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
+      test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
+  else
+
+    # Make a couple of temp file names in the proper directory.
+    dsttmp=$dstdir/_inst.$$_
+    rmtmp=$dstdir/_rm.$$_
+
+    # Trap to clean up those temp files at exit.
+    trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
+
+    # Copy the file name to the temp name.
+    (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
+
+    # and set any options; do chmod last to preserve setuid bits.
+    #
+    # If any of these fail, we abort the whole thing.  If we want to
+    # ignore errors from any of these, just make sure not to ignore
+    # errors from the above "$doit $cpprog $src $dsttmp" command.
+    #
+    { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
+    { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
+    { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
+    { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
+
+    # If -C, don't bother to copy if it wouldn't change the file.
+    if $copy_on_change &&
+       old=`LC_ALL=C ls -dlL "$dst"	2>/dev/null` &&
+       new=`LC_ALL=C ls -dlL "$dsttmp"	2>/dev/null` &&
+
+       eval "$initialize_posix_glob" &&
+       $posix_glob set -f &&
+       set X $old && old=:$2:$4:$5:$6 &&
+       set X $new && new=:$2:$4:$5:$6 &&
+       $posix_glob set +f &&
+
+       test "$old" = "$new" &&
+       $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
+    then
+      rm -f "$dsttmp"
+    else
+      # Rename the file to the real destination.
+      $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
+
+      # The rename failed, perhaps because mv can't rename something else
+      # to itself, or perhaps because mv is so ancient that it does not
+      # support -f.
+      {
+	# Now remove or move aside any old file at destination location.
+	# We try this two ways since rm can't unlink itself on some
+	# systems and the destination file might be busy for other
+	# reasons.  In this case, the final cleanup might fail but the new
+	# file should still install successfully.
+	{
+	  test ! -f "$dst" ||
+	  $doit $rmcmd -f "$dst" 2>/dev/null ||
+	  { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
+	    { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
+	  } ||
+	  { echo "$0: cannot unlink or rename $dst" >&2
+	    (exit 1); exit 1
+	  }
+	} &&
+
+	# Now rename the file to the real destination.
+	$doit $mvcmd "$dsttmp" "$dst"
+      }
+    fi || exit 1
+
+    trap '' 0
+  fi
+done
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-end: "$"
+# End:
diff --git a/libqpdf/BitStream.cc b/libqpdf/BitStream.cc
new file mode 100644
index 00000000..c6fda4e6
--- /dev/null
+++ b/libqpdf/BitStream.cc
@@ -0,0 +1,45 @@
+
+
+#include <qpdf/BitStream.hh>
+
+// See comments in bits.cc
+#define BITS_READ 1
+#include "bits.icc"
+
+BitStream::BitStream(unsigned char const* p, int nbytes) :
+    start(p),
+    nbytes(nbytes)
+{
+    reset();
+}
+
+void
+BitStream::reset()
+{
+    p = start;
+    bit_offset = 7;
+    bits_available = 8 * nbytes;
+}
+
+unsigned long
+BitStream::getBits(int nbits)
+{
+    return read_bits(this->p, this->bit_offset,
+		     this->bits_available, nbits);
+}
+
+void
+BitStream::skipToNextByte()
+{
+    if (bit_offset != 7)
+    {
+	unsigned int bits_to_skip = bit_offset + 1;
+	if (bits_available < bits_to_skip)
+	{
+	    throw QEXC::Internal("overflow skipping to next byte in bitstream");
+	}
+	bit_offset = 7;
+	++p;
+	bits_available -= bits_to_skip;
+    }
+}
diff --git a/libqpdf/BitWriter.cc b/libqpdf/BitWriter.cc
new file mode 100644
index 00000000..f682aac5
--- /dev/null
+++ b/libqpdf/BitWriter.cc
@@ -0,0 +1,30 @@
+
+
+#include <qpdf/BitWriter.hh>
+
+// See comments in bits.cc
+#define BITS_WRITE 1
+#include "bits.icc"
+
+BitWriter::BitWriter(Pipeline* pl) :
+    pl(pl),
+    ch(0),
+    bit_offset(7)
+{
+}
+
+void
+BitWriter::writeBits(unsigned long val, int bits)
+{
+    write_bits(this->ch, this->bit_offset, val, bits, this->pl);
+}
+
+void
+BitWriter::flush()
+{
+    if (bit_offset < 7)
+    {
+	int bits_to_write = bit_offset + 1;
+	write_bits(this->ch, this->bit_offset, 0, bits_to_write, this->pl);
+    }
+}
diff --git a/libqpdf/Buffer.cc b/libqpdf/Buffer.cc
new file mode 100644
index 00000000..3dde1f90
--- /dev/null
+++ b/libqpdf/Buffer.cc
@@ -0,0 +1,79 @@
+
+#include <qpdf/Buffer.hh>
+
+#include <string.h>
+
+Buffer::Buffer()
+{
+    init(0);
+}
+
+Buffer::Buffer(unsigned long size)
+{
+    init(size);
+}
+
+Buffer::Buffer(Buffer const& rhs)
+{
+    init(0);
+    copy(rhs);
+}
+
+Buffer&
+Buffer::operator=(Buffer const& rhs)
+{
+    copy(rhs);
+    return *this;
+}
+
+Buffer::~Buffer()
+{
+    destroy();
+}
+
+void
+Buffer::init(unsigned long size)
+{
+    this->size = size;
+    this->buf = (size ? new unsigned char[size] : 0);
+}
+
+void
+Buffer::copy(Buffer const& rhs)
+{
+    if (this != &rhs)
+    {
+	this->destroy();
+	this->init(rhs.size);
+	if (this->size)
+	{
+	    memcpy(this->buf, rhs.buf, this->size);
+	}
+    }
+}
+
+void
+Buffer::destroy()
+{
+    delete [] this->buf;
+    this->size = 0;
+    this->buf = 0;
+}
+
+unsigned long
+Buffer::getSize() const
+{
+    return this->size;
+}
+
+unsigned char const*
+Buffer::getBuffer() const
+{
+    return this->buf;
+}
+
+unsigned char*
+Buffer::getBuffer()
+{
+    return this->buf;
+}
diff --git a/libqpdf/MD5.cc b/libqpdf/MD5.cc
new file mode 100644
index 00000000..ecdd8a33
--- /dev/null
+++ b/libqpdf/MD5.cc
@@ -0,0 +1,441 @@
+// This file implements a class for computation of MD5 checksums.
+// It is derived from the reference algorithm for MD5 as given in
+// RFC 1321.  The original copyright notice is as follows:
+//
+/////////////////////////////////////////////////////////////////////////
+//
+// Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
+// rights reserved.
+//
+// License to copy and use this software is granted provided that it
+// is identified as the "RSA Data Security, Inc. MD5 Message-Digest
+// Algorithm" in all material mentioning or referencing this software
+// or this function.
+//
+// License is also granted to make and use derivative works provided
+// that such works are identified as "derived from the RSA Data
+// Security, Inc. MD5 Message-Digest Algorithm" in all material
+// mentioning or referencing the derived work.
+//
+// RSA Data Security, Inc. makes no representations concerning either
+// the merchantability of this software or the suitability of this
+// software for any particular purpose. It is provided "as is"
+// without express or implied warranty of any kind.
+//
+// These notices must be retained in any copies of any part of this
+// documentation and/or software.
+//
+/////////////////////////////////////////////////////////////////////////
+
+#include <qpdf/MD5.hh>
+
+#include <stdio.h>
+#include <memory.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+int const S11 = 7;
+int const S12 = 12;
+int const S13 = 17;
+int const S14 = 22;
+int const S21 = 5;
+int const S22 = 9;
+int const S23 = 14;
+int const S24 = 20;
+int const S31 = 4;
+int const S32 = 11;
+int const S33 = 16;
+int const S34 = 23;
+int const S41 = 6;
+int const S42 = 10;
+int const S43 = 15;
+int const S44 = 21;
+
+static unsigned char PADDING[64] = {
+  0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+// F, G, H and I are basic MD5 functions.
+#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
+#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
+#define H(x, y, z) ((x) ^ (y) ^ (z))
+#define I(x, y, z) ((y) ^ ((x) | (~z)))
+
+// ROTATE_LEFT rotates x left n bits.
+#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
+
+// FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
+// Rotation is separate from addition to prevent recomputation.
+#define FF(a, b, c, d, x, s, ac) { \
+ (a) += F ((b), (c), (d)) + (x) + (UINT4)(ac); \
+ (a) = ROTATE_LEFT ((a), (s)); \
+ (a) += (b); \
+  }
+#define GG(a, b, c, d, x, s, ac) { \
+ (a) += G ((b), (c), (d)) + (x) + (UINT4)(ac); \
+ (a) = ROTATE_LEFT ((a), (s)); \
+ (a) += (b); \
+  }
+#define HH(a, b, c, d, x, s, ac) { \
+ (a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); \
+ (a) = ROTATE_LEFT ((a), (s)); \
+ (a) += (b); \
+  }
+#define II(a, b, c, d, x, s, ac) { \
+ (a) += I ((b), (c), (d)) + (x) + (UINT4)(ac); \
+ (a) = ROTATE_LEFT ((a), (s)); \
+ (a) += (b); \
+  }
+
+// MD5 initialization. Begins an MD5 operation, writing a new context.
+void MD5::init()
+{
+    count[0] = count[1] = 0;
+    // Load magic initialization constants.
+    state[0] = 0x67452301;
+    state[1] = 0xefcdab89;
+    state[2] = 0x98badcfe;
+    state[3] = 0x10325476;
+
+    finalized = false;
+    memset(digest_val, 0, sizeof(digest_val));
+}
+
+// MD5 block update operation. Continues an MD5 message-digest
+// operation, processing another message block, and updating the
+// context.
+
+void MD5::update(unsigned char *input,
+		 unsigned int inputLen)
+{
+    unsigned int i, index, partLen;
+
+    // Compute number of bytes mod 64
+    index = (unsigned int)((count[0] >> 3) & 0x3F);
+
+    // Update number of bits
+    if ((count[0] += ((UINT4)inputLen << 3))
+	< ((UINT4)inputLen << 3))
+	count[1]++;
+    count[1] += ((UINT4)inputLen >> 29);
+
+    partLen = 64 - index;
+
+    // Transform as many times as possible.
+
+    if (inputLen >= partLen) {
+	memcpy
+	    ((POINTER)&buffer[index], (POINTER)input, partLen);
+	transform(state, buffer);
+
+	for (i = partLen; i + 63 < inputLen; i += 64)
+	    transform(state, &input[i]);
+
+	index = 0;
+    }
+    else
+	i = 0;
+
+    // Buffer remaining input
+    memcpy
+	((POINTER)&buffer[index], (POINTER)&input[i],
+	 inputLen-i);
+}
+
+// MD5 finalization. Ends an MD5 message-digest operation, writing the
+// the message digest and zeroizing the context.
+void MD5::final()
+{
+    if (finalized)
+    {
+	return;
+    }
+
+    unsigned char bits[8];
+    unsigned int index, padLen;
+
+    // Save number of bits
+    encode(bits, count, 8);
+
+    // Pad out to 56 mod 64.
+
+    index = (unsigned int)((count[0] >> 3) & 0x3f);
+    padLen = (index < 56) ? (56 - index) : (120 - index);
+    update(PADDING, padLen);
+
+    // Append length (before padding)
+    update(bits, 8);
+    // Store state in digest_val
+    encode(digest_val, state, 16);
+
+    // Zeroize sensitive information.
+    memset(state, 0, sizeof(state));
+    memset(count, 0, sizeof(count));
+    memset(buffer, 0, sizeof(buffer));
+
+    finalized = true;
+}
+
+// MD5 basic transformation. Transforms state based on block.
+void MD5::transform(UINT4 state[4], unsigned char block[64])
+{
+    UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16];
+
+    decode(x, block, 64);
+
+    // Round 1
+    FF (a, b, c, d, x[ 0], S11, 0xd76aa478); // 1
+    FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); // 2
+    FF (c, d, a, b, x[ 2], S13, 0x242070db); // 3
+    FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); // 4
+    FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); // 5
+    FF (d, a, b, c, x[ 5], S12, 0x4787c62a); // 6
+    FF (c, d, a, b, x[ 6], S13, 0xa8304613); // 7
+    FF (b, c, d, a, x[ 7], S14, 0xfd469501); // 8
+    FF (a, b, c, d, x[ 8], S11, 0x698098d8); // 9
+    FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); // 10
+    FF (c, d, a, b, x[10], S13, 0xffff5bb1); // 11
+    FF (b, c, d, a, x[11], S14, 0x895cd7be); // 12
+    FF (a, b, c, d, x[12], S11, 0x6b901122); // 13
+    FF (d, a, b, c, x[13], S12, 0xfd987193); // 14
+    FF (c, d, a, b, x[14], S13, 0xa679438e); // 15
+    FF (b, c, d, a, x[15], S14, 0x49b40821); // 16
+
+    // Round 2
+    GG (a, b, c, d, x[ 1], S21, 0xf61e2562); // 17
+    GG (d, a, b, c, x[ 6], S22, 0xc040b340); // 18
+    GG (c, d, a, b, x[11], S23, 0x265e5a51); // 19
+    GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); // 20
+    GG (a, b, c, d, x[ 5], S21, 0xd62f105d); // 21
+    GG (d, a, b, c, x[10], S22,  0x2441453); // 22
+    GG (c, d, a, b, x[15], S23, 0xd8a1e681); // 23
+    GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); // 24
+    GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); // 25
+    GG (d, a, b, c, x[14], S22, 0xc33707d6); // 26
+    GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); // 27
+    GG (b, c, d, a, x[ 8], S24, 0x455a14ed); // 28
+    GG (a, b, c, d, x[13], S21, 0xa9e3e905); // 29
+    GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); // 30
+    GG (c, d, a, b, x[ 7], S23, 0x676f02d9); // 31
+    GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); // 32
+
+    // Round 3
+    HH (a, b, c, d, x[ 5], S31, 0xfffa3942); // 33
+    HH (d, a, b, c, x[ 8], S32, 0x8771f681); // 34
+    HH (c, d, a, b, x[11], S33, 0x6d9d6122); // 35
+    HH (b, c, d, a, x[14], S34, 0xfde5380c); // 36
+    HH (a, b, c, d, x[ 1], S31, 0xa4beea44); // 37
+    HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); // 38
+    HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); // 39
+    HH (b, c, d, a, x[10], S34, 0xbebfbc70); // 40
+    HH (a, b, c, d, x[13], S31, 0x289b7ec6); // 41
+    HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); // 42
+    HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); // 43
+    HH (b, c, d, a, x[ 6], S34,  0x4881d05); // 44
+    HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); // 45
+    HH (d, a, b, c, x[12], S32, 0xe6db99e5); // 46
+    HH (c, d, a, b, x[15], S33, 0x1fa27cf8); // 47
+    HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); // 48
+
+    // Round 4
+    II (a, b, c, d, x[ 0], S41, 0xf4292244); // 49
+    II (d, a, b, c, x[ 7], S42, 0x432aff97); // 50
+    II (c, d, a, b, x[14], S43, 0xab9423a7); // 51
+    II (b, c, d, a, x[ 5], S44, 0xfc93a039); // 52
+    II (a, b, c, d, x[12], S41, 0x655b59c3); // 53
+    II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); // 54
+    II (c, d, a, b, x[10], S43, 0xffeff47d); // 55
+    II (b, c, d, a, x[ 1], S44, 0x85845dd1); // 56
+    II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); // 57
+    II (d, a, b, c, x[15], S42, 0xfe2ce6e0); // 58
+    II (c, d, a, b, x[ 6], S43, 0xa3014314); // 59
+    II (b, c, d, a, x[13], S44, 0x4e0811a1); // 60
+    II (a, b, c, d, x[ 4], S41, 0xf7537e82); // 61
+    II (d, a, b, c, x[11], S42, 0xbd3af235); // 62
+    II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); // 63
+    II (b, c, d, a, x[ 9], S44, 0xeb86d391); // 64
+
+    state[0] += a;
+    state[1] += b;
+    state[2] += c;
+    state[3] += d;
+
+    // Zeroize sensitive information.
+
+    memset ((POINTER)x, 0, sizeof (x));
+}
+
+// Encodes input (UINT4) into output (unsigned char). Assumes len is a
+// multiple of 4.
+void MD5::encode(unsigned char *output, UINT4 *input, unsigned int len)
+{
+    unsigned int i, j;
+
+    for (i = 0, j = 0; j < len; i++, j += 4) {
+	output[j] = (unsigned char)(input[i] & 0xff);
+	output[j+1] = (unsigned char)((input[i] >> 8) & 0xff);
+	output[j+2] = (unsigned char)((input[i] >> 16) & 0xff);
+	output[j+3] = (unsigned char)((input[i] >> 24) & 0xff);
+    }
+}
+
+// Decodes input (unsigned char) into output (UINT4). Assumes len is a
+// multiple of 4.
+void MD5::decode(UINT4 *output, unsigned char *input, unsigned int len)
+{
+    unsigned int i, j;
+
+    for (i = 0, j = 0; j < len; i++, j += 4)
+	output[i] = ((UINT4)input[j]) | (((UINT4)input[j+1]) << 8) |
+	    (((UINT4)input[j+2]) << 16) | (((UINT4)input[j+3]) << 24);
+}
+
+// Public functions
+
+MD5::MD5()
+{
+    init();
+}
+
+void MD5::reset()
+{
+    init();
+}
+
+void MD5::encodeString(char const* str)
+{
+    unsigned int len = strlen(str);
+
+    update((unsigned char *)str, len);
+    final();
+}
+
+void MD5::appendString(char const* input_string)
+{
+    update((unsigned char *)input_string, strlen(input_string));
+}
+
+void MD5::encodeDataIncrementally(char const* data, int len)
+{
+    update((unsigned char *)data, len);
+}
+
+void MD5::encodeFile(char const *filename, int up_to_size)
+    throw (QEXC::System)
+{
+    FILE *file;
+    unsigned char buffer[1024];
+
+    if ((file = fopen (filename, "rb")) == NULL)
+    {
+	throw QEXC::System(std::string("MD5: can't open ") + filename, errno);
+    }
+
+    int len;
+    int so_far = 0;
+    int to_try = 1024;
+    do
+    {
+	if ((up_to_size >= 0) && ((so_far + to_try) > up_to_size))
+	{
+	    to_try = up_to_size - so_far;
+	}
+	len = fread(buffer, 1, to_try, file);
+	if (len > 0)
+	{
+	    update(buffer, len);
+	    so_far += len;
+	    if ((up_to_size >= 0) && (so_far >= up_to_size))
+	    {
+		break;
+	    }
+	}
+    } while (len > 0);
+    if (ferror(file))
+    {
+	// Assume, perhaps incorrectly, that errno was set by the
+	// underlying call to read....
+	(void) fclose(file);
+	throw QEXC::System(std::string("MD5: read error on ") + filename, errno);
+    }
+    (void) fclose(file);
+
+    final();
+}
+
+void MD5::digest(Digest result)
+{
+    final();
+    memcpy(result, digest_val, sizeof(digest_val));
+}
+
+void MD5::print()
+{
+    final();
+
+    unsigned int i;
+    for (i = 0; i < 16; ++i)
+    {
+	printf("%02x", digest_val[i]);
+    }
+    printf("\n");
+}
+
+std::string MD5::unparse()
+{
+    final();
+
+    char result[33];
+    char* p = result;
+    unsigned int i;
+    for (i = 0; i < 16; ++i)
+    {
+	sprintf(p, "%02x", digest_val[i]);
+	p += 2;
+    }
+    return result;
+}
+
+std::string
+MD5::getDataChecksum(char const* buf, int len)
+{
+    MD5 m;
+    m.encodeDataIncrementally(buf, len);
+    return m.unparse();
+}
+
+std::string
+MD5::getFileChecksum(char const* filename, int up_to_size)
+{
+    MD5 m;
+    m.encodeFile(filename, up_to_size);
+    return m.unparse();
+}
+
+bool
+MD5::checkDataChecksum(char const* const checksum,
+		       char const* buf, int len)
+{
+    std::string actual_checksum = getDataChecksum(buf, len);
+    return (checksum == actual_checksum);
+}
+
+bool
+MD5::checkFileChecksum(char const* const checksum,
+		       char const* filename, int up_to_size)
+{
+    bool result = false;
+    try
+    {
+	std::string actual_checksum = getFileChecksum(filename, up_to_size);
+	result = (checksum == actual_checksum);
+    }
+    catch (QEXC::System)
+    {
+	// Ignore -- return false
+    }
+    return result;
+}
diff --git a/libqpdf/Makefile b/libqpdf/Makefile
new file mode 100644
index 00000000..90899055
--- /dev/null
+++ b/libqpdf/Makefile
@@ -0,0 +1 @@
+include ../make/proxy.mk
diff --git a/libqpdf/PCRE.cc b/libqpdf/PCRE.cc
new file mode 100644
index 00000000..afa6e954
--- /dev/null
+++ b/libqpdf/PCRE.cc
@@ -0,0 +1,365 @@
+
+
+#include <qpdf/PCRE.hh>
+#include <qpdf/QUtil.hh>
+
+#include <iostream>
+
+PCRE::Exception::Exception(std::string const& message)
+{
+    this->setMessage("PCRE error: " + message);
+}
+
+PCRE::NoBackref::NoBackref() :
+    Exception("no match")
+{
+}
+
+PCRE::Match::Match(int nbackrefs, char const* subject)
+{
+    this->init(-1, nbackrefs, subject);
+}
+
+PCRE::Match::~Match()
+{
+    this->destroy();
+}
+
+PCRE::Match::Match(Match const& rhs)
+{
+    this->copy(rhs);
+}
+
+PCRE::Match&
+PCRE::Match::operator=(Match const& rhs)
+{
+    if (this != &rhs)
+    {
+	this->destroy();
+	this->copy(rhs);
+    }
+    return *this;
+}
+
+void
+PCRE::Match::init(int nmatches, int nbackrefs, char const* subject)
+{
+    this->nmatches = nmatches;
+    this->nbackrefs = nbackrefs;
+    this->subject = subject;
+    this->ovecsize = 3 * (1 + nbackrefs);
+    this->ovector = 0;
+    if (this->ovecsize)
+    {
+	this->ovector = new int[this->ovecsize];
+    }
+}
+
+void
+PCRE::Match::copy(Match const& rhs)
+{
+    this->init(rhs.nmatches, rhs.nbackrefs, rhs.subject);
+    int i;
+    for (i = 0; i < this->ovecsize; ++i)
+    {
+	this->ovector[i] = rhs.ovector[i];
+    }
+}
+
+void
+PCRE::Match::destroy()
+{
+    delete [] this->ovector;
+}
+
+PCRE::Match::operator bool()
+{
+    return (this->nmatches >= 0);
+}
+
+
+std::string
+PCRE::Match::getMatch(int n, int flags)
+    throw(QEXC::General, Exception)
+{
+    // This method used to be implemented in terms of
+    // pcre_get_substring, but that function gives you an empty string
+    // for an unmatched backreference that is in range.
+
+    int offset;
+    int length;
+    try
+    {
+	getOffsetLength(n, offset, length);
+    }
+    catch (NoBackref&)
+    {
+	if (flags & gm_no_substring_returns_empty)
+	{
+	    return "";
+	}
+	else
+	{
+	    throw;
+	}
+    }
+
+    return std::string(this->subject).substr(offset, length);
+}
+
+void
+PCRE::Match::getOffsetLength(int n, int& offset, int& length) throw(Exception)
+{
+    if ((this->nmatches < 0) ||
+	(n > this->nmatches - 1) ||
+	(this->ovector[n * 2] == -1))
+    {
+	throw NoBackref();
+    }
+    offset = this->ovector[n * 2];
+    length = this->ovector[n * 2 + 1] - offset;
+}
+
+
+int
+PCRE::Match::getOffset(int n) throw(Exception)
+{
+    int offset;
+    int length;
+    this->getOffsetLength(n, offset, length);
+    return offset;
+}
+
+
+int
+PCRE::Match::getLength(int n) throw(Exception)
+{
+    int offset;
+    int length;
+    this->getOffsetLength(n, offset, length);
+    return length;
+}
+
+
+int
+PCRE::Match::nMatches() const
+{
+    return this->nmatches;
+}
+
+PCRE::PCRE(char const* pattern, int options) throw (Exception)
+{
+    char const *errptr;
+    int erroffset;
+    this->code = pcre_compile(pattern, options, &errptr, &erroffset, 0);
+    if (this->code)
+    {
+	this->nbackrefs = pcre_info(this->code, 0, 0);
+    }
+    else
+    {
+	std::string message = (std::string("compilation of ") + pattern +
+			  " failed at offset " +
+			  QUtil::int_to_string(erroffset) + ": " +
+			  errptr);
+	throw Exception(message);
+    }
+}
+
+PCRE::~PCRE()
+{
+    pcre_free(this->code);
+}
+
+PCRE::Match
+PCRE::match(char const* subject, int options, int startoffset, int size)
+    throw (QEXC::General, Exception)
+{
+    if (size == -1)
+    {
+	size = strlen(subject);
+    }
+
+    Match result(this->nbackrefs, subject);
+    int status = pcre_exec(this->code, 0, subject, size,
+			   startoffset, options,
+			   result.ovector, result.ovecsize);
+    if (status >= 0)
+    {
+	result.nmatches = status;
+    }
+    else
+    {
+	std::string message;
+
+	switch (status)
+	{
+	  case PCRE_ERROR_NOMATCH:
+	    break;
+
+	  case PCRE_ERROR_BADOPTION:
+	    message = "bad option passed to PCRE::match()";
+	    throw Exception(message);
+	    break;
+
+	  case PCRE_ERROR_NOMEMORY:
+	    message = "insufficient memory";
+	    throw Exception(message);
+	    break;
+
+	  case PCRE_ERROR_NULL:
+	  case PCRE_ERROR_BADMAGIC:
+	  case PCRE_ERROR_UNKNOWN_NODE:
+	  default:
+	    message = "pcre_exec returned " + QUtil::int_to_string(status);
+	    throw QEXC::Internal(message);
+	}
+    }
+
+    return result;
+}
+
+void
+PCRE::test(int n)
+{
+    try
+    {
+	if (n == 1)
+	{
+	    static char const* utf8 = "abπdefq";
+	    PCRE u1("^([[:alpha:]]+)");
+	    PCRE u2("^([\\p{L}]+)", PCRE_UTF8);
+	    PCRE::Match m1 = u1.match(utf8);
+	    if (m1)
+	    {
+		std::cout << "no utf8: " << m1.getMatch(1) << std::endl;
+	    }
+	    PCRE::Match m2 = u2.match(utf8);
+	    if (m2)
+	    {
+		std::cout << "utf8: " << m2.getMatch(1) << std::endl;
+	    }
+	    return;
+	}
+
+	try
+	{
+	    PCRE pcre1("a**");
+	}
+	catch (Exception& e)
+	{
+	    std::cout << e.unparse() << std::endl;
+	}
+
+	PCRE pcre2("^([^\\s:]*)\\s*:\\s*(.*?)\\s*$");
+	PCRE::Match m2 = pcre2.match("key: value one two three ");
+	if (m2)
+	{
+	    std::cout << m2.nMatches() << std::endl;
+	    std::cout << m2.getMatch(0) << std::endl;
+	    std::cout << m2.getOffset(0) << std::endl;
+	    std::cout << m2.getLength(0) << std::endl;
+	    std::cout << m2.getMatch(1) << std::endl;
+	    std::cout << m2.getOffset(1) << std::endl;
+	    std::cout << m2.getLength(1) << std::endl;
+	    std::cout << m2.getMatch(2) << std::endl;
+	    std::cout << m2.getOffset(2) << std::endl;
+	    std::cout << m2.getLength(2) << std::endl;
+	    try
+	    {
+		std::cout << m2.getMatch(3) << std::endl;
+	    }
+	    catch (Exception& e)
+	    {
+		std::cout << e.unparse() << std::endl;
+	    }
+	    try
+	    {
+		std::cout << m2.getOffset(3) << std::endl;
+	    }
+	    catch (Exception& e)
+	    {
+		std::cout << e.unparse() << std::endl;
+	    }
+	}
+	PCRE pcre3("^(a+)(b+)?$");
+	PCRE::Match m3 = pcre3.match("aaa");
+	try
+	{
+	    if (m3)
+	    {
+		std::cout << m3.nMatches() << std::endl;
+		std::cout << m3.getMatch(0) << std::endl;
+		std::cout << m3.getMatch(1) << std::endl;
+		std::cout << "-"
+			  << m3.getMatch(
+			      2, Match::gm_no_substring_returns_empty)
+			  << "-" << std::endl;
+		std::cout << "hello" << std::endl;
+		std::cout << m3.getMatch(2) << std::endl;
+		std::cout << "can't see this" << std::endl;
+	    }
+	}
+	catch (Exception& e)
+	{
+	    std::cout << e.unparse() << std::endl;
+	}
+
+	// backref: 1   2 3        4      5
+	PCRE pcre4("^((?:(a(b)?)(?:,(c))?)|(c))?$");
+	static char const* candidates[] = {
+	    "qqqcqqq",		// no match
+	    "ab,c",		// backrefs: 0, 1, 2, 3, 4
+	    "ab",		// backrefs: 0, 1, 2, 3
+	    "a",		// backrefs: 0, 1, 2
+	    "a,c",		// backrefs: 0, 1, 2, 4
+	    "c",		// backrefs: 0, 1, 5
+	    "",			// backrefs: 0
+	    0
+	};
+	for (char const** p = candidates; *p; ++p)
+	{
+	    PCRE::Match m(pcre4.match(*p));
+	    if (m)
+	    {
+		int nmatches = m.nMatches();
+		for (int i = 0; i < nmatches; ++i)
+		{
+		    std::cout << *p << ": " << i << ": ";
+		    try
+		    {
+			std::string match = m.getMatch(i);
+			std::cout << match;
+		    }
+		    catch (NoBackref&)
+		    {
+			std::cout << "no backref (getMatch)";
+		    }
+		    std::cout << std::endl;
+
+		    std::cout << *p << ": " << i << ": ";
+		    try
+		    {
+			int offset;
+			int length;
+			m.getOffsetLength(i, offset, length);
+			std::cout << offset << ", " << length;
+		    }
+		    catch (NoBackref&)
+		    {
+			std::cout << "no backref (getOffsetLength)";
+		    }
+		    std:: cout << std::endl;
+		}
+	    }
+	    else
+	    {
+		std::cout << *p << ": no match" << std::endl;
+	    }
+	}
+    }
+    catch (QEXC::General& e)
+    {
+	std::cout << "unexpected exception: " << e.unparse() << std::endl;
+    }
+}
diff --git a/libqpdf/Pipeline.cc b/libqpdf/Pipeline.cc
new file mode 100644
index 00000000..17c0c8b2
--- /dev/null
+++ b/libqpdf/Pipeline.cc
@@ -0,0 +1,25 @@
+
+
+#include <qpdf/Pipeline.hh>
+
+Pipeline::Pipeline(char const* identifier, Pipeline* next) :
+    identifier(identifier),
+    next(next)
+{
+}
+
+Pipeline::~Pipeline()
+{
+}
+
+Pipeline*
+Pipeline::getNext(bool allow_null)
+{
+    if ((next == 0) && (! allow_null))
+    {
+	throw Exception(
+	    this->identifier +
+	    ": Pipeline::getNext() called on pipeline with no next");
+    }
+    return this->next;
+}
diff --git a/libqpdf/Pl_ASCII85Decoder.cc b/libqpdf/Pl_ASCII85Decoder.cc
new file mode 100644
index 00000000..4ecdaf41
--- /dev/null
+++ b/libqpdf/Pl_ASCII85Decoder.cc
@@ -0,0 +1,131 @@
+#include <qpdf/Pl_ASCII85Decoder.hh>
+#include <qpdf/QEXC.hh>
+#include <qpdf/QTC.hh>
+#include <string.h>
+
+Pl_ASCII85Decoder::Pl_ASCII85Decoder(char const* identifier, Pipeline* next) :
+    Pipeline(identifier, next),
+    pos(0),
+    eod(0)
+{
+    memset(this->inbuf, 117, 5);
+}
+
+Pl_ASCII85Decoder::~Pl_ASCII85Decoder()
+{
+}
+
+void
+Pl_ASCII85Decoder::write(unsigned char* buf, int len)
+{
+    if (eod > 1)
+    {
+	return;
+    }
+    for (int i = 0; i < len; ++i)
+    {
+	if (eod > 1)
+	{
+	    break;
+	}
+	else if (eod == 1)
+	{
+	    if (buf[i] == '>')
+	    {
+		flush();
+		eod = 2;
+	    }
+	    else
+	    {
+		throw QEXC::General(
+		    "broken end-of-data sequence in base 85 data");
+	    }
+	}
+	else
+	{
+	    switch (buf[i])
+	    {
+	      case ' ':
+	      case '\f':
+	      case '\v':
+	      case '\t':
+	      case '\r':
+	      case '\n':
+		QTC::TC("libtests", "Pl_ASCII85Decoder ignore space");
+		// ignore whitespace
+		break;
+
+	      case '~':
+		eod = 1;
+		break;
+
+	      case 'z':
+		if (pos != 0)
+		{
+		    throw QEXC::General(
+			"unexpected z during base 85 decode");
+		}
+		else
+		{
+		    QTC::TC("libtests", "Pl_ASCII85Decoder read z");
+		    getNext()->write((unsigned char*)"\000\000\000\000", 4);
+		}
+		break;
+
+	      default:
+		if ((buf[i] < 33) || (buf[i] > 117))
+		{
+		    throw QEXC::General
+			("character out of range during base 85 decode");
+		}
+		else
+		{
+		    this->inbuf[this->pos++] = buf[i];
+		    if (pos == 5)
+		    {
+			flush();
+		    }
+		}
+		break;
+	    }
+	}
+    }
+}
+
+void
+Pl_ASCII85Decoder::flush()
+{
+    if (this->pos == 0)
+    {
+	QTC::TC("libtests", "Pl_ASCII85Decoder no-op flush");
+	return;
+    }
+    unsigned long lval = 0;
+    for (int i = 0; i < 5; ++i)
+    {
+	lval *= 85;
+	lval += (this->inbuf[i] - 33);
+    }
+
+    unsigned char outbuf[4];
+    memset(outbuf, 0, 4);
+    for (int i = 3; i >= 0; --i)
+    {
+	outbuf[i] = lval & 0xff;
+	lval >>= 8;
+    }
+
+    QTC::TC("libtests", "Pl_ASCII85Decoder partial flush",
+	    (this->pos == 5) ? 0 : 1);
+    getNext()->write(outbuf, this->pos - 1);
+
+    this->pos = 0;
+    memset(this->inbuf, 117, 5);
+}
+
+void
+Pl_ASCII85Decoder::finish()
+{
+    flush();
+    getNext()->finish();
+}
diff --git a/libqpdf/Pl_ASCIIHexDecoder.cc b/libqpdf/Pl_ASCIIHexDecoder.cc
new file mode 100644
index 00000000..d1b4ef1c
--- /dev/null
+++ b/libqpdf/Pl_ASCIIHexDecoder.cc
@@ -0,0 +1,108 @@
+#include <qpdf/Pl_ASCIIHexDecoder.hh>
+#include <qpdf/QEXC.hh>
+#include <qpdf/QTC.hh>
+#include <string.h>
+#include <ctype.h>
+
+Pl_ASCIIHexDecoder::Pl_ASCIIHexDecoder(char const* identifier, Pipeline* next) :
+    Pipeline(identifier, next),
+    pos(0),
+    eod(false)
+{
+    strcpy(this->inbuf, "00");
+}
+
+Pl_ASCIIHexDecoder::~Pl_ASCIIHexDecoder()
+{
+}
+
+void
+Pl_ASCIIHexDecoder::write(unsigned char* buf, int len)
+{
+    if (this->eod)
+    {
+	return;
+    }
+    for (int i = 0; i < len; ++i)
+    {
+	char ch = toupper(buf[i]);
+	switch (ch)
+	{
+	  case ' ':
+	  case '\f':
+	  case '\v':
+	  case '\t':
+	  case '\r':
+	  case '\n':
+	    QTC::TC("libtests", "Pl_ASCIIHexDecoder ignore space");
+	    // ignore whitespace
+	    break;
+
+	  case '>':
+	    this->eod = true;
+	    flush();
+	    break;
+
+	  default:
+	    if (((ch >= '0') && (ch <= '9')) ||
+		((ch >= 'A') && (ch <= 'F')))
+	    {
+		this->inbuf[this->pos++] = ch;
+		if (this->pos == 2)
+		{
+		    flush();
+		}
+	    }
+	    else
+	    {
+		char t[2];
+		t[0] = ch;
+		t[1] = 0;
+		throw QEXC::General(
+		    std::string("character out of range during base Hex decode: ") + t);
+	    }
+	    break;
+	}
+	if (this->eod)
+	{
+	    break;
+	}
+    }
+}
+
+void
+Pl_ASCIIHexDecoder::flush()
+{
+    if (this->pos == 0)
+    {
+	QTC::TC("libtests", "Pl_ASCIIHexDecoder no-op flush");
+	return;
+    }
+    int b[2];
+    for (int i = 0; i < 2; ++i)
+    {
+	if (this->inbuf[i] >= 'A')
+	{
+	    b[i] = this->inbuf[i] - 'A' + 10;
+	}
+	else
+	{
+	    b[i] = this->inbuf[i] - '0';
+	}
+    }
+    unsigned char ch = (unsigned char)((b[0] << 4) + b[1]);
+
+    QTC::TC("libtests", "Pl_ASCIIHexDecoder partial flush",
+	    (this->pos == 2) ? 0 : 1);
+    getNext()->write(&ch, 1);
+
+    this->pos = 0;
+    strcpy(this->inbuf, "00");
+}
+
+void
+Pl_ASCIIHexDecoder::finish()
+{
+    flush();
+    getNext()->finish();
+}
diff --git a/libqpdf/Pl_Buffer.cc b/libqpdf/Pl_Buffer.cc
new file mode 100644
index 00000000..185cf636
--- /dev/null
+++ b/libqpdf/Pl_Buffer.cc
@@ -0,0 +1,67 @@
+
+#include <qpdf/Pl_Buffer.hh>
+#include <qpdf/QEXC.hh>
+#include <assert.h>
+
+Pl_Buffer::Pl_Buffer(char const* identifier, Pipeline* next) :
+    Pipeline(identifier, next),
+    ready(false),
+    total_size(0)
+{
+}
+
+Pl_Buffer::~Pl_Buffer()
+{
+}
+
+void
+Pl_Buffer::write(unsigned char* buf, int len)
+{
+    Buffer* b = new Buffer(len);
+    memcpy(b->getBuffer(), buf, len);
+    this->data.push_back(b);
+    this->ready = false;
+    this->total_size += len;
+
+    if (getNext(true))
+    {
+	getNext()->write(buf, len);
+    }
+}
+
+void
+Pl_Buffer::finish()
+{
+    this->ready = true;
+    if (getNext(true))
+    {
+	getNext()->finish();
+    }
+}
+
+Buffer*
+Pl_Buffer::getBuffer()
+{
+    if (! this->ready)
+    {
+	throw QEXC::Internal("Pl_Buffer::getBuffer() called when not ready");
+    }
+
+    Buffer* b = new Buffer(this->total_size);
+    unsigned char* p = b->getBuffer();
+    while (! this->data.empty())
+    {
+	PointerHolder<Buffer> bph = this->data.front();
+	this->data.pop_front();
+	Buffer* bp = bph.getPointer();
+	size_t bytes = bp->getSize();
+	memcpy(p, bp->getBuffer(), bytes);
+	p += bytes;
+	this->total_size -= bytes;
+    }
+
+    assert(this->total_size == 0);
+    this->ready = false;
+
+    return b;
+}
diff --git a/libqpdf/Pl_Count.cc b/libqpdf/Pl_Count.cc
new file mode 100644
index 00000000..8a361ad5
--- /dev/null
+++ b/libqpdf/Pl_Count.cc
@@ -0,0 +1,42 @@
+
+#include <qpdf/Pl_Count.hh>
+
+Pl_Count::Pl_Count(char const* identifier, Pipeline* next) :
+    Pipeline(identifier, next),
+    count(0),
+    last_char('\0')
+{
+}
+
+Pl_Count::~Pl_Count()
+{
+}
+
+void
+Pl_Count::write(unsigned char* buf, int len)
+{
+    if (len)
+    {
+	this->count += len;
+	getNext()->write(buf, len);
+	this->last_char = buf[len - 1];
+    }
+}
+
+void
+Pl_Count::finish()
+{
+    getNext()->finish();
+}
+
+int
+Pl_Count::getCount() const
+{
+    return this->count;
+}
+
+unsigned char
+Pl_Count::getLastChar() const
+{
+    return this->last_char;
+}
diff --git a/libqpdf/Pl_Discard.cc b/libqpdf/Pl_Discard.cc
new file mode 100644
index 00000000..1632ea23
--- /dev/null
+++ b/libqpdf/Pl_Discard.cc
@@ -0,0 +1,23 @@
+
+#include <qpdf/Pl_Discard.hh>
+
+// Exercised in md5 test suite
+
+Pl_Discard::Pl_Discard() :
+    Pipeline("discard", 0)
+{
+}
+
+Pl_Discard::~Pl_Discard()
+{
+}
+
+void
+Pl_Discard::write(unsigned char* buf, int len)
+{
+}
+
+void
+Pl_Discard::finish()
+{
+}
diff --git a/libqpdf/Pl_Flate.cc b/libqpdf/Pl_Flate.cc
new file mode 100644
index 00000000..ba60c472
--- /dev/null
+++ b/libqpdf/Pl_Flate.cc
@@ -0,0 +1,198 @@
+
+#include <qpdf/Pl_Flate.hh>
+
+#include <qpdf/QUtil.hh>
+
+Pl_Flate::Pl_Flate(char const* identifier, Pipeline* next,
+		   action_e action, int out_bufsize) :
+    Pipeline(identifier, next),
+    out_bufsize(out_bufsize),
+    action(action),
+    initialized(false)
+{
+    this->outbuf = new unsigned char[out_bufsize];
+
+    zstream.zalloc = (alloc_func)0;
+    zstream.zfree = (free_func)0;
+    zstream.opaque = (voidpf)0;
+    zstream.next_in = 0;
+    zstream.avail_in = 0;
+    zstream.next_out = this->outbuf;
+    zstream.avail_out = out_bufsize;
+}
+
+Pl_Flate::~Pl_Flate()
+{
+    if (this->outbuf)
+    {
+	delete [] this->outbuf;
+	this->outbuf = 0;
+    }
+}
+
+void
+Pl_Flate::write(unsigned char* data, int len)
+{
+    if (this->outbuf == 0)
+    {
+	throw Exception(
+	    this->identifier +
+	    ": Pl_Flate: write() called after finish() called");
+    }
+    handleData(data, len, Z_NO_FLUSH);
+}
+
+void
+Pl_Flate::handleData(unsigned char* data, int len, int flush)
+{
+    this->zstream.next_in = data;
+    this->zstream.avail_in = len;
+
+    if (! this->initialized)
+    {
+	int err = Z_OK;
+	if (this->action == a_deflate)
+	{
+	    err = deflateInit(&this->zstream, Z_DEFAULT_COMPRESSION);
+	}
+	else
+	{
+	    err = inflateInit(&this->zstream);
+	}
+	checkError("Init", err);
+	this->initialized = true;
+    }
+
+    int err = Z_OK;
+
+    bool done = false;
+    while (! done)
+    {
+	if (action == a_deflate)
+	{
+	    err = deflate(&this->zstream, flush);
+	}
+	else
+	{
+	    err = inflate(&this->zstream, flush);
+	}
+	switch (err)
+	{
+	  case Z_BUF_ERROR:
+	    // Probably shouldn't be able to happen, but possible as a
+	    // boundary condition: if the last call to inflate exactly
+	    // filled the output buffer, it's possible that the next
+	    // call to inflate could have nothing to do.
+	    done = true;
+	    break;
+
+	  case Z_STREAM_END:
+	    done = true;
+	    // fall through
+
+	  case Z_OK:
+	    {
+		if ((this->zstream.avail_in == 0) &&
+		    (this->zstream.avail_out > 0))
+		{
+		    // There is nothing left to read, and there was
+		    // sufficient buffer space to write everything we
+		    // needed, so we're done for now.
+		    done = true;
+		}
+		uLong ready = (this->out_bufsize - this->zstream.avail_out);
+		if (ready > 0)
+		{
+		    this->getNext()->write(this->outbuf, ready);
+		    this->zstream.next_out = this->outbuf;
+		    this->zstream.avail_out = this->out_bufsize;
+		}
+	    }
+	    break;
+
+	  default:
+	    this->checkError("data", err);
+	    break;
+	}
+    }
+}
+
+void
+Pl_Flate::finish()
+{
+    if (this->outbuf)
+    {
+	if (this->initialized)
+	{
+	    unsigned char buf[1];
+	    buf[0] = '\0';
+	    handleData(buf, 0, Z_FINISH);
+	    int err = Z_OK;
+	    if (action == a_deflate)
+	    {
+		err = deflateEnd(&this->zstream);
+	    }
+	    else
+	    {
+		err = inflateEnd(&this->zstream);
+	    }
+	    checkError("End", err);
+	}
+
+	delete [] this->outbuf;
+	this->outbuf = 0;
+    }
+    this->getNext()->finish();
+}
+
+void
+Pl_Flate::checkError(char const* prefix, int error_code)
+{
+    if (error_code != Z_OK)
+    {
+	char const* action_str = (action == a_deflate ? "deflate" : "inflate");
+	std::string msg =
+	    this->identifier + ": " + action_str + ": " + prefix + ": ";
+
+	if (this->zstream.msg)
+	{
+	    msg += this->zstream.msg;
+	}
+	else
+	{
+	    switch (error_code)
+	    {
+	      case Z_ERRNO:
+		msg += "zlib system error";
+		break;
+
+	      case Z_STREAM_ERROR:
+		msg += "zlib stream error";
+		break;
+
+	      case Z_DATA_ERROR:
+		msg += "zlib data error";
+		break;
+
+	      case Z_MEM_ERROR:
+		msg += "zlib memory error";
+		break;
+
+	      case Z_BUF_ERROR:
+		msg += "zlib buffer error";
+		break;
+
+	      case Z_VERSION_ERROR:
+		msg += "zlib version error";
+		break;
+
+	      default:
+		msg += std::string("zlib unknown error (") +
+		    QUtil::int_to_string(error_code) + ")";
+		break;
+	    }
+	}
+
+	throw Exception(msg);
+    }
+}
diff --git a/libqpdf/Pl_LZWDecoder.cc b/libqpdf/Pl_LZWDecoder.cc
new file mode 100644
index 00000000..e85531e9
--- /dev/null
+++ b/libqpdf/Pl_LZWDecoder.cc
@@ -0,0 +1,229 @@
+#include <qpdf/Pl_LZWDecoder.hh>
+
+#include <qpdf/QEXC.hh>
+#include <qpdf/QTC.hh>
+#include <string.h>
+#include <assert.h>
+
+Pl_LZWDecoder::Pl_LZWDecoder(char const* identifier, Pipeline* next,
+			     bool early_code_change) :
+    Pipeline(identifier, next),
+    code_size(9),
+    next(0),
+    byte_pos(0),
+    bit_pos(0),
+    bits_available(0),
+    code_change_delta(early_code_change ? 1 : 0),
+    eod(false),
+    last_code(256)
+{
+    memset(buf, 0, 3);
+}
+
+
+Pl_LZWDecoder::~Pl_LZWDecoder()
+{
+}
+
+void
+Pl_LZWDecoder::write(unsigned char* bytes, int len)
+{
+    for (int i = 0; i < len; ++i)
+    {
+	this->buf[next++] = bytes[i];
+	if (this->next == 3)
+	{
+	    this->next = 0;
+	}
+	this->bits_available += 8;
+	if (this->bits_available >= this->code_size)
+	{
+	    sendNextCode();
+	}
+    }
+}
+
+void
+Pl_LZWDecoder::finish()
+{
+    getNext()->finish();
+}
+
+void
+Pl_LZWDecoder::sendNextCode()
+{
+    int high = this->byte_pos;
+    int med = (this->byte_pos + 1) % 3;
+    int low = (this->byte_pos + 2) % 3;
+
+    int bits_from_high = 8 - this->bit_pos;
+    int bits_from_med = this->code_size - bits_from_high;
+    int bits_from_low = 0;
+    if (bits_from_med > 8)
+    {
+	bits_from_low = bits_from_med - 8;
+	bits_from_med = 8;
+    }
+    int high_mask = (1 << bits_from_high) - 1;
+    int med_mask = 0xff - ((1 << (8 - bits_from_med)) - 1);
+    int low_mask = 0xff - ((1 << (8 - bits_from_low)) - 1);
+    int code = 0;
+    code += (this->buf[high] & high_mask) << bits_from_med;
+    code += ((this->buf[med] & med_mask) >> (8 - bits_from_med));
+    if (bits_from_low)
+    {
+	code <<= bits_from_low;
+	code += ((this->buf[low] & low_mask) >> (8 - bits_from_low));
+	this->byte_pos = low;
+	this->bit_pos = bits_from_low;
+    }
+    else
+    {
+	this->byte_pos = med;
+	this->bit_pos = bits_from_med;
+    }
+    if (this->bit_pos == 8)
+    {
+	this->bit_pos = 0;
+	++this->byte_pos;
+	this->byte_pos %= 3;
+    }
+    this->bits_available -= this->code_size;
+
+    handleCode(code);
+}
+
+unsigned char
+Pl_LZWDecoder::getFirstChar(int code)
+{
+    unsigned char result = '\0';
+    if (code < 256)
+    {
+	result = (unsigned char) code;
+    }
+    else
+    {
+	assert(code > 257);
+	unsigned int idx = code - 258;
+	assert(idx < table.size());
+	Buffer& b = table[idx];
+	result = b.getBuffer()[0];
+    }
+    return result;
+}
+
+void
+Pl_LZWDecoder::addToTable(unsigned char next)
+{
+    unsigned int last_size = 0;
+    unsigned char const* last_data = 0;
+    unsigned char tmp[1];
+
+    if (this->last_code < 256)
+    {
+	tmp[0] = this->last_code;
+	last_data = tmp;
+	last_size = 1;
+    }
+    else
+    {
+	assert(this->last_code > 257);
+	unsigned int idx = this->last_code - 258;
+	assert(idx < table.size());
+	Buffer& b = table[idx];
+	last_data = b.getBuffer();
+	last_size = b.getSize();
+    }
+
+    Buffer entry(1 + last_size);
+    unsigned char* new_data = entry.getBuffer();
+    memcpy(new_data, last_data, last_size);
+    new_data[last_size] = next;
+    this->table.push_back(entry);
+}
+
+void
+Pl_LZWDecoder::handleCode(int code)
+{
+    if (this->eod)
+    {
+	return;
+    }
+
+    if (code == 256)
+    {
+	if (! this->table.empty())
+	{
+	    QTC::TC("libtests", "Pl_LZWDecoder intermediate reset");
+	}
+	this->table.clear();
+	this->code_size = 9;
+    }
+    else if (code == 257)
+    {
+	this->eod = true;
+    }
+    else
+    {
+	if (this->last_code != 256)
+	{
+	    // Add to the table from last time.  New table entry would
+	    // be what we read last plus the first character of what
+	    // we're reading now.
+	    unsigned char next = '\0';
+	    unsigned int table_size = table.size();
+	    if (code < 256)
+	    {
+		// just read < 256; last time's next was code
+		next = code;
+	    }
+	    else if (code > 257)
+	    {
+		unsigned int idx = code - 258;
+		if (idx > table_size)
+		{
+		    throw QEXC::General("LZWDecoder: bad code received");
+		}
+		else if (idx == table_size)
+		{
+		    // The encoder would have just created this entry,
+		    // so the first character of this entry would have
+		    // been the same as the first character of the
+		    // last entry.
+		    QTC::TC("libtests", "Pl_LZWDecoder last was table size");
+		    next = getFirstChar(this->last_code);
+		}
+		else
+		{
+		    next = getFirstChar(code);
+		}
+	    }
+	    unsigned int last_idx = 258 + table_size;
+	    if (last_idx == 4095)
+	    {
+		throw QEXC::General("LZWDecoder: table full");
+	    }
+	    addToTable(next);
+	    unsigned int change_idx = last_idx + code_change_delta;
+	    if ((change_idx == 511) ||
+		(change_idx == 1023) ||
+		(change_idx == 2047))
+	    {
+		++this->code_size;
+	    }
+	}
+
+	if (code < 256)
+	{
+	    unsigned char ch = (unsigned char) code;
+	    getNext()->write(&ch, 1);
+	}
+	else
+	{
+	    Buffer& b = table[code - 258];
+	    getNext()->write(b.getBuffer(), b.getSize());
+	}
+    }
+
+    this->last_code = code;
+}
diff --git a/libqpdf/Pl_MD5.cc b/libqpdf/Pl_MD5.cc
new file mode 100644
index 00000000..0a2711b8
--- /dev/null
+++ b/libqpdf/Pl_MD5.cc
@@ -0,0 +1,43 @@
+
+#include <qpdf/Pl_MD5.hh>
+
+#include <qpdf/QEXC.hh>
+
+Pl_MD5::Pl_MD5(char const* identifier, Pipeline* next) :
+    Pipeline(identifier, next),
+    in_progress(false)
+{
+}
+
+Pl_MD5::~Pl_MD5()
+{
+}
+
+void
+Pl_MD5::write(unsigned char* buf, int len)
+{
+    if (! this->in_progress)
+    {
+	this->md5.reset();
+	this->in_progress = true;
+    }
+    this->md5.encodeDataIncrementally((char*) buf, len);
+    this->getNext()->write(buf, len);
+}
+
+void
+Pl_MD5::finish()
+{
+    this->getNext()->finish();
+    this->in_progress = false;
+}
+
+std::string
+Pl_MD5::getHexDigest()
+{
+    if (this->in_progress)
+    {
+	throw QEXC::General("digest requested for in-progress MD5 Pipeline");
+    }
+    return this->md5.unparse();
+}
diff --git a/libqpdf/Pl_PNGFilter.cc b/libqpdf/Pl_PNGFilter.cc
new file mode 100644
index 00000000..28b87c5e
--- /dev/null
+++ b/libqpdf/Pl_PNGFilter.cc
@@ -0,0 +1,146 @@
+
+#include <qpdf/Pl_PNGFilter.hh>
+#include <string.h>
+
+Pl_PNGFilter::Pl_PNGFilter(char const* identifier, Pipeline* next,
+			   action_e action, unsigned int columns,
+			   unsigned int bytes_per_pixel) :
+    Pipeline(identifier, next),
+    action(action),
+    columns(columns),
+    cur_row(0),
+    prev_row(0),
+    buf1(0),
+    buf2(0),
+    pos(0)
+{
+    this->buf1 = new unsigned char[columns + 1];
+    this->buf2 = new unsigned char[columns + 1];
+    this->cur_row = buf1;
+
+    // number of bytes per incoming row
+    this->incoming = (action == a_encode ? columns : columns + 1);
+}
+
+Pl_PNGFilter::~Pl_PNGFilter()
+{
+    delete [] buf1;
+    delete [] buf2;
+}
+
+void
+Pl_PNGFilter::write(unsigned char* data, int len)
+{
+    int left = this->incoming - this->pos;
+    unsigned int offset = 0;
+    while (len >= left)
+    {
+	// finish off current row
+	memcpy(this->cur_row + this->pos, data + offset, left);
+	offset += left;
+	len -= left;
+
+	processRow();
+
+	// Swap rows
+	unsigned char* t = this->prev_row;
+	this->prev_row = this->cur_row;
+	this->cur_row = t ? t : this->buf2;
+	memset(this->cur_row, 0, this->columns + 1);
+	left = this->incoming;
+	this->pos = 0;
+    }
+    if (len)
+    {
+	memcpy(this->cur_row + this->pos, data + offset, len);
+    }
+    this->pos += len;
+}
+
+void
+Pl_PNGFilter::processRow()
+{
+    if (this->action == a_encode)
+    {
+	encodeRow();
+    }
+    else
+    {
+	decodeRow();
+    }
+}
+
+void
+Pl_PNGFilter::decodeRow()
+{
+    int filter = (int) this->cur_row[0];
+    if (this->prev_row)
+    {
+	switch (filter)
+	{
+	  case 0:			// none
+	    break;
+
+	  case 1:			// sub
+	    throw Exception("sub filter not implemented");
+	    break;
+
+	  case 2:			// up
+	    for (unsigned int i = 1; i <= this->columns; ++i)
+	    {
+		this->cur_row[i] += this->prev_row[i];
+	    }
+	    break;
+
+	  case 3:			// average
+	    throw Exception("average filter not implemented");
+	    break;
+
+	  case 4:			// Paeth
+	    throw Exception("Paeth filter not implemented");
+	    break;
+
+	  default:
+	    // ignore
+	    break;
+	}
+    }
+
+    getNext()->write(this->cur_row + 1, this->columns);
+}
+
+void
+Pl_PNGFilter::encodeRow()
+{
+    // For now, hard-code to using UP filter.
+    unsigned char ch = 2;
+    getNext()->write(&ch, 1);
+    if (this->prev_row)
+    {
+	for (unsigned int i = 0; i < this->columns; ++i)
+	{
+	    ch = this->cur_row[i] - this->prev_row[i];
+	    getNext()->write(&ch, 1);
+	}
+    }
+    else
+    {
+	getNext()->write(this->cur_row, this->columns);
+    }
+}
+
+void
+Pl_PNGFilter::finish()
+{
+    if (this->pos)
+    {
+	// write partial row
+	processRow();
+    }
+    this->prev_row = 0;
+    this->cur_row = buf1;
+    this->pos = 0;
+    memset(this->cur_row, 0, this->columns + 1);
+
+    getNext()->finish();
+}
diff --git a/libqpdf/Pl_QPDFTokenizer.cc b/libqpdf/Pl_QPDFTokenizer.cc
new file mode 100644
index 00000000..63f0caaf
--- /dev/null
+++ b/libqpdf/Pl_QPDFTokenizer.cc
@@ -0,0 +1,179 @@
+
+#include <qpdf/Pl_QPDFTokenizer.hh>
+#include <qpdf/QPDF_String.hh>
+#include <qpdf/QPDF_Name.hh>
+
+Pl_QPDFTokenizer::Pl_QPDFTokenizer(char const* identifier, Pipeline* next) :
+    Pipeline(identifier, next),
+    newline_after_next_token(false),
+    just_wrote_nl(false),
+    last_char_was_cr(false),
+    unread_char(false),
+    char_to_unread('\0'),
+    pass_through(false)
+{
+}
+
+Pl_QPDFTokenizer::~Pl_QPDFTokenizer()
+{
+}
+
+void
+Pl_QPDFTokenizer::writeNext(char const* buf, int len)
+{
+    if (len)
+    {
+	unsigned char* t = new unsigned char[len];
+	memcpy(t, buf, len);
+	getNext()->write(t, len);
+	delete [] t;
+	this->just_wrote_nl = (buf[len-1] == '\n');
+    }
+}
+
+void
+Pl_QPDFTokenizer::writeToken(QPDFTokenizer::Token& token)
+{
+    std::string value = token.getRawValue();
+
+    switch (token.getType())
+    {
+      case QPDFTokenizer::tt_string:
+	value = QPDF_String(token.getValue()).unparse();
+	break;
+
+      case QPDFTokenizer::tt_name:
+	value = QPDF_Name(token.getValue()).unparse();
+	break;
+
+      default:
+	break;
+    }
+    writeNext(value.c_str(), value.length());
+}
+
+void
+Pl_QPDFTokenizer::processChar(char ch)
+{
+    if (this->pass_through)
+    {
+	// We're not noramlizing anymore -- just write this without
+	// looking at it.
+	writeNext(&ch, 1);
+	return;
+    }
+
+    tokenizer.presentCharacter(ch);
+    QPDFTokenizer::Token token;
+    if (tokenizer.getToken(token, this->unread_char, this->char_to_unread))
+    {
+	writeToken(token);
+	if (this->newline_after_next_token)
+	{
+	    writeNext("\n", 1);
+	    this->newline_after_next_token = false;
+	}
+	if ((token.getType() == QPDFTokenizer::tt_word) &&
+	    (token.getValue() == "BI"))
+	{
+	    // Uh oh.... we're not sophisticated enough to handle
+	    // inline images safely.  We'd have to to set up all the
+	    // filters and pipe the iamge data through it until the
+	    // filtered output was the right size for an image of the
+	    // specified dimensions.  Then we'd either have to write
+	    // out raw image data or continue to write filtered data,
+	    // resuming normalization when we get to the end.
+	    // Insetad, for now, we'll just turn off noramlization for
+	    // the remainder of this stream.
+	    this->pass_through = true;
+	    if (this->unread_char)
+	    {
+		writeNext(&this->char_to_unread, 1);
+		this->unread_char = false;
+	    }
+	}
+    }
+    else
+    {
+	bool suppress = false;
+	if ((ch == '\n') && (this->last_char_was_cr))
+	{
+	    // Always ignore \n following \r
+	    suppress = true;
+	}
+
+	if ((this->last_char_was_cr = (ch == '\r')))
+	{
+	    ch = '\n';
+	}
+
+	if (this->tokenizer.betweenTokens())
+	{
+	    if (! suppress)
+	    {
+		writeNext(&ch, 1);
+	    }
+	}
+	else
+	{
+	    if (ch == '\n')
+	    {
+		this->newline_after_next_token = true;
+	    }
+	}
+    }
+}
+
+
+void
+Pl_QPDFTokenizer::checkUnread()
+{
+    if (this->unread_char)
+    {
+	processChar(this->char_to_unread);
+	if (this->unread_char)
+	{
+	    throw QEXC::Internal("unread_char still true after processing "
+				 "unread character");
+	}
+    }
+}
+
+void
+Pl_QPDFTokenizer::write(unsigned char* buf, int len)
+{
+    checkUnread();
+    for (int i = 0; i < len; ++i)
+    {
+	processChar(buf[i]);
+	checkUnread();
+    }
+}
+
+void
+Pl_QPDFTokenizer::finish()
+{
+    this->tokenizer.presentEOF();
+    if (! this->pass_through)
+    {
+	QPDFTokenizer::Token token;
+	if (tokenizer.getToken(token, this->unread_char, this->char_to_unread))
+	{
+	    writeToken(token);
+	    if (unread_char)
+	    {
+		if (this->char_to_unread == '\r')
+		{
+		    this->char_to_unread = '\n';
+		}
+		writeNext(&this->char_to_unread, 1);
+	    }
+	}
+    }
+    if (! this->just_wrote_nl)
+    {
+	writeNext("\n", 1);
+    }
+
+    getNext()->finish();
+}
diff --git a/libqpdf/Pl_RC4.cc b/libqpdf/Pl_RC4.cc
new file mode 100644
index 00000000..74e53c8b
--- /dev/null
+++ b/libqpdf/Pl_RC4.cc
@@ -0,0 +1,57 @@
+
+#include <qpdf/Pl_RC4.hh>
+
+#include <qpdf/QUtil.hh>
+
+Pl_RC4::Pl_RC4(char const* identifier, Pipeline* next,
+	       unsigned char const* key_data, int key_len,
+	       int out_bufsize) :
+    Pipeline(identifier, next),
+    out_bufsize(out_bufsize),
+    rc4(key_data, key_len)
+{
+    this->outbuf = new unsigned char[out_bufsize];
+}
+
+Pl_RC4::~Pl_RC4()
+{
+    if (this->outbuf)
+    {
+	delete [] this->outbuf;
+	this->outbuf = 0;
+    }
+}
+
+void
+Pl_RC4::write(unsigned char* data, int len)
+{
+    if (this->outbuf == 0)
+    {
+	throw Exception(
+	    this->identifier +
+	    ": Pl_RC4: write() called after finish() called");
+    }
+
+    int bytes_left = len;
+    unsigned char* p = data;
+
+    while (bytes_left > 0)
+    {
+	int bytes = (bytes_left < this->out_bufsize ? bytes_left : out_bufsize);
+	bytes_left -= bytes;
+	rc4.process(p, bytes, outbuf);
+	p += bytes;
+	getNext()->write(outbuf, bytes);
+    }
+}
+
+void
+Pl_RC4::finish()
+{
+    if (this->outbuf)
+    {
+	delete [] this->outbuf;
+	this->outbuf = 0;
+    }
+    this->getNext()->finish();
+}
diff --git a/libqpdf/Pl_StdioFile.cc b/libqpdf/Pl_StdioFile.cc
new file mode 100644
index 00000000..c0f42afd
--- /dev/null
+++ b/libqpdf/Pl_StdioFile.cc
@@ -0,0 +1,48 @@
+
+#include <qpdf/Pl_StdioFile.hh>
+
+#include <errno.h>
+
+Pl_StdioFile::Pl_StdioFile(char const* identifier, FILE* f) :
+    Pipeline(identifier, 0),
+    file(f)
+{
+}
+
+Pl_StdioFile::~Pl_StdioFile()
+{
+}
+
+void
+Pl_StdioFile::write(unsigned char* buf, int len)
+{
+    size_t so_far = 0;
+    while (len > 0)
+    {
+	so_far = fwrite(buf, 1, len, this->file);
+	if (so_far == 0)
+	{
+	    throw QEXC::System(this->identifier + ": Pl_StdioFile::write",
+			       errno);
+	}
+	else
+	{
+	    buf += so_far;
+	    len -= so_far;
+	}
+    }
+}
+
+void
+Pl_StdioFile::finish()
+{
+    if (fileno(this->file) != -1)
+    {
+	fflush(this->file);
+    }
+    else
+    {
+	throw QEXC::Internal(this->identifier +
+			     ": Pl_StdioFile::finish: stream already closed");
+    }
+}
diff --git a/libqpdf/QEXC.cc b/libqpdf/QEXC.cc
new file mode 100644
index 00000000..c65afbb6
--- /dev/null
+++ b/libqpdf/QEXC.cc
@@ -0,0 +1,67 @@
+
+#include <qpdf/QEXC.hh>
+#include <string.h>
+#include <errno.h>
+
+QEXC::Base::Base()
+{
+    // nothing needed
+}
+
+QEXC::Base::Base(std::string const& message) :
+    message(message)
+{
+    // nothing needed
+}
+
+std::string const&
+QEXC::Base::unparse() const
+{
+    return this->message;
+}
+
+void
+QEXC::Base::setMessage(std::string const& message)
+{
+    this->message = message;
+}
+
+const char*
+QEXC::Base::what() const throw()
+{
+    // Since unparse() returns a const string reference, its
+    // implementors must arrange to have it return a reference to a
+    // string that is not going to disappear.  It is therefore safe
+    // for us to return it's c_str() pointer.
+    return this->unparse().c_str();
+}
+
+QEXC::General::General()
+{
+    // nothing needed
+}
+
+QEXC::General::General(std::string const& message) :
+    Base(message)
+{
+    // nothing needed
+}
+
+QEXC::System::System(std::string const& prefix, int sys_errno)
+{
+    // Note: using sys_errno in case errno is a macro.
+    this->sys_errno = sys_errno;
+    this->setMessage(prefix + ": " + strerror(sys_errno));
+}
+
+int
+QEXC::System::getErrno() const
+{
+    return this->sys_errno;
+}
+
+QEXC::Internal::Internal(std::string const& message) :
+    Base("INTERNAL ERROR: " + message)
+{
+    // nothing needed
+}
diff --git a/libqpdf/QPDF.cc b/libqpdf/QPDF.cc
new file mode 100644
index 00000000..6f51fa2c
--- /dev/null
+++ b/libqpdf/QPDF.cc
@@ -0,0 +1,1851 @@
+
+#include <qpdf/QPDF.hh>
+
+#include <vector>
+#include <map>
+#include <string.h>
+#include <memory.h>
+
+#include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
+#include <qpdf/PCRE.hh>
+#include <qpdf/Pipeline.hh>
+
+#include <qpdf/QPDFExc.hh>
+#include <qpdf/QPDF_Null.hh>
+#include <qpdf/QPDF_Dictionary.hh>
+
+void
+QPDF::InputSource::setLastOffset(off_t offset)
+{
+    this->last_offset = offset;
+}
+
+off_t
+QPDF::InputSource::getLastOffset() const
+{
+    return this->last_offset;
+}
+
+std::string
+QPDF::InputSource::readLine()
+{
+    // Read a line terminated by one or more \r or \n characters
+    // without caring what the exact terminator is.  Consume the
+    // trailing newline characters but don't return them.
+
+    off_t offset = this->tell();
+    std::string buf;
+    enum { st_before_nl, st_at_nl } state = st_before_nl;
+    char ch;
+    while (1)
+    {
+	size_t len = this->read(&ch, 1);
+	if (len == 0)
+	{
+	    break;
+	}
+
+	if (state == st_before_nl)
+	{
+	    if ((ch == '\012') || (ch == '\015'))
+	    {
+		state = st_at_nl;
+	    }
+	    else
+	    {
+		buf += ch;
+	    }
+	}
+	else if (state == st_at_nl)
+	{
+	    if ((ch == '\012') || (ch == '\015'))
+	    {
+		// do nothing
+	    }
+	    else
+	    {
+		// unread this character
+		this->unreadCh(ch);
+		break;
+	    }
+	}
+    }
+    // Override last offset to be where we started this line rather
+    // than before the last character read
+    this->last_offset = offset;
+    return buf;
+}
+
+QPDF::FileInputSource::FileInputSource() :
+    file(0)
+{
+}
+
+void
+QPDF::FileInputSource::setFilename(char const* filename)
+{
+    destroy();
+    this->filename = filename;
+    this->file = QUtil::fopen_wrapper(std::string("open ") + this->filename,
+				      fopen(this->filename.c_str(), "rb"));
+}
+
+QPDF::FileInputSource::~FileInputSource()
+{
+    destroy();
+}
+
+void
+QPDF::FileInputSource::destroy()
+{
+    if (this->file)
+    {
+	fclose(this->file);
+	this->file = 0;
+    }
+}
+
+std::string const&
+QPDF::FileInputSource::getName() const
+{
+    return this->filename;
+}
+
+off_t
+QPDF::FileInputSource::tell()
+{
+    return ftell(this->file);
+}
+
+void
+QPDF::FileInputSource::seek(off_t offset, int whence)
+{
+    QUtil::os_wrapper(std::string("seek to ") + this->filename + ", offset " +
+		      QUtil::int_to_string(offset) + " (" +
+		      QUtil::int_to_string(whence) + ")",
+		      fseek(this->file, offset, whence));
+}
+
+void
+QPDF::FileInputSource::rewind()
+{
+    ::rewind(this->file);
+}
+
+size_t
+QPDF::FileInputSource::read(char* buffer, int length)
+{
+    this->last_offset = ftell(this->file);
+    size_t len = fread(buffer, 1, length, this->file);
+    if ((len == 0) && ferror(this->file))
+    {
+	throw QPDFExc(this->filename, this->last_offset,
+		      std::string("read ") +
+		      QUtil::int_to_string(length) + " bytes");
+    }
+    return len;
+}
+
+void
+QPDF::FileInputSource::unreadCh(char ch)
+{
+    QUtil::os_wrapper(this->filename + ": unread character",
+		      ungetc((unsigned char)ch, this->file));
+}
+
+QPDF::BufferInputSource::BufferInputSource(std::string const& description,
+					   Buffer* buf) :
+    description(description),
+    buf(buf),
+    cur_offset(0)
+{
+}
+
+QPDF::BufferInputSource::~BufferInputSource()
+{
+}
+
+std::string const&
+QPDF::BufferInputSource::getName() const
+{
+    return this->description;
+}
+
+off_t
+QPDF::BufferInputSource::tell()
+{
+    return this->cur_offset;
+}
+
+void
+QPDF::BufferInputSource::seek(off_t offset, int whence)
+{
+    switch (whence)
+    {
+      case SEEK_SET:
+	this->cur_offset = offset;
+	break;
+
+      case SEEK_END:
+	this->cur_offset = this->buf->getSize() - offset;
+	break;
+
+      case SEEK_CUR:
+	this->cur_offset += offset;
+	break;
+
+      default:
+	throw QEXC::Internal("invalid argument to BufferInputSource::seek");
+	break;
+    }
+}
+
+void
+QPDF::BufferInputSource::rewind()
+{
+    this->cur_offset = 0;
+}
+
+size_t
+QPDF::BufferInputSource::read(char* buffer, int length)
+{
+    off_t end_pos = this->buf->getSize();
+    if (this->cur_offset >= end_pos)
+    {
+	this->last_offset = end_pos;
+	return 0;
+    }
+
+    this->last_offset = this->cur_offset;
+    size_t len = std::min((int)(end_pos - this->cur_offset), length);
+    memcpy(buffer, buf->getBuffer() + this->cur_offset, len);
+    this->cur_offset += len;
+    return len;
+}
+
+void
+QPDF::BufferInputSource::unreadCh(char ch)
+{
+    if (this->cur_offset > 0)
+    {
+	--this->cur_offset;
+    }
+}
+
+QPDF::ObjGen::ObjGen(int o = 0, int g = 0) :
+    obj(o),
+    gen(g)
+{
+}
+
+bool
+QPDF::ObjGen::ObjGen::operator<(ObjGen const& rhs) const
+{
+    return ((this->obj < rhs.obj) ||
+	    ((this->obj == rhs.obj) && (this->gen < rhs.gen)));
+}
+
+QPDF::QPDF() :
+    encrypted(false),
+    encryption_initialized(false),
+    ignore_xref_streams(false),
+    suppress_warnings(false),
+    attempt_recovery(true),
+    cached_key_objid(0),
+    cached_key_generation(0),
+    first_xref_item_offset(0),
+    uncompressed_after_compressed(false)
+{
+}
+
+QPDF::~QPDF()
+{
+}
+
+void
+QPDF::processFile(char const* filename, char const* password)
+{
+    this->file.setFilename(filename);
+    this->provided_password = password;
+    parse();
+}
+
+void
+QPDF::setIgnoreXRefStreams(bool val)
+{
+    this->ignore_xref_streams = val;
+}
+
+void
+QPDF::setSuppressWarnings(bool val)
+{
+    this->suppress_warnings = val;
+}
+
+void
+QPDF::setAttemptRecovery(bool val)
+{
+    this->attempt_recovery = val;
+}
+
+std::vector<std::string>
+QPDF::getWarnings()
+{
+    std::vector<std::string> result = this->warnings;
+    this->warnings.clear();
+    return result;
+}
+
+void
+QPDF::parse()
+{
+    static PCRE header_re("^%PDF-(1.\\d+)\\b");
+    static PCRE eof_re("(?s:startxref\\s+(\\d+)\\s+%%EOF\\b)");
+
+    std::string line = this->file.readLine();
+    PCRE::Match m1 = header_re.match(line.c_str());
+    if (m1)
+    {
+	this->pdf_version = m1.getMatch(1);
+	if (atof(this->pdf_version.c_str()) < 1.2)
+	{
+	    this->tokenizer.allowPoundAnywhereInName();
+	}
+    }
+    else
+    {
+	QTC::TC("qpdf", "QPDF not a pdf file");
+	throw QPDFExc(this->file.getName(), 0, "not a PDF file");
+    }
+
+    // PDF spec says %%EOF must be found within the last 1024 bytes of
+    // the file.  We add an extra 30 characters to leave room for the
+    // startxref stuff.
+    static int const tbuf_size = 1054;
+    this->file.seek(0, SEEK_END);
+    if (this->file.tell() > tbuf_size)
+    {
+	this->file.seek(-tbuf_size, SEEK_END);
+    }
+    else
+    {
+	this->file.rewind();
+    }
+    char* buf = new char[tbuf_size + 1];
+    // Put buf in a PointerHolder to guarantee deletion of buf.  This
+    // calls delete rather than delete [], but it's okay since buf is
+    // an array of fundamental types.
+    PointerHolder<char> b(buf);
+    memset(buf, '\0', tbuf_size + 1);
+    this->file.read(buf, tbuf_size);
+
+    // Since buf may contain null characters, we can't do a regexp
+    // search on buf directly.  Find the last occurrence within buf
+    // where the regexp matches.
+    char* p = buf;
+    char const* candidate = "";
+    while ((p = (char*)memchr(p, 's', tbuf_size - (p - buf))) != 0)
+    {
+	if (eof_re.match(p))
+	{
+	    candidate = p;
+	}
+	++p;
+    }
+
+    try
+    {
+	PCRE::Match m2 = eof_re.match(candidate);
+	if (! m2)
+	{
+	    QTC::TC("qpdf", "QPDF can't find startxref");
+	    throw QPDFExc(this->file.getName() + ": can't find startxref");
+	}
+	off_t xref_offset = atoi(m2.getMatch(1).c_str());
+	read_xref(xref_offset);
+    }
+    catch (QPDFExc& e)
+    {
+	if (this->attempt_recovery)
+	{
+	    reconstruct_xref(e);
+	    QTC::TC("qpdf", "QPDF reconstructed xref table");
+	}
+	else
+	{
+	    throw e;
+	}
+    }
+
+    initializeEncryption();
+}
+
+void
+QPDF::warn(QPDFExc const& e)
+{
+    this->warnings.push_back(e.unparse());
+    if (! this->suppress_warnings)
+    {
+	std::cerr << "WARNING: " << this->warnings.back() << std::endl;
+    }
+}
+
+void
+QPDF::setTrailer(QPDFObjectHandle obj)
+{
+    if (this->trailer.isInitialized())
+    {
+	return;
+    }
+    this->trailer = obj;
+}
+
+void
+QPDF::reconstruct_xref(QPDFExc& e)
+{
+    static PCRE obj_re("^(\\d+) (\\d+) obj\\b");
+    static PCRE endobj_re("^endobj\\b");
+    static PCRE trailer_re("^trailer\\b");
+
+    warn(QPDFExc(this->file.getName(), 0, "file is damaged"));
+    warn(e);
+    warn(QPDFExc("Attempting to reconstruct cross-reference table"));
+
+    this->file.seek(0, SEEK_END);
+    off_t eof = this->file.tell();
+    this->file.seek(0, SEEK_SET);
+    bool in_obj = false;
+    while (this->file.tell() < eof)
+    {
+	std::string line = this->file.readLine();
+	if (in_obj)
+	{
+	    if (endobj_re.match(line.c_str()))
+	    {
+		in_obj = false;
+	    }
+	}
+	else
+	{
+	    PCRE::Match m = obj_re.match(line.c_str());
+	    if (m)
+	    {
+		in_obj = true;
+		int obj = atoi(m.getMatch(1).c_str());
+		int gen = atoi(m.getMatch(2).c_str());
+		int offset = this->file.getLastOffset();
+		insertXrefEntry(obj, 1, offset, gen);
+	    }
+	    else if ((! this->trailer.isInitialized()) &&
+		     trailer_re.match(line.c_str()))
+	    {
+		// read "trailer"
+		this->file.seek(this->file.getLastOffset(), SEEK_SET);
+		readToken(&this->file);
+		QPDFObjectHandle t = readObject(&this->file, 0, 0, false);
+		if (! t.isDictionary())
+		{
+		    // Oh well.  It was worth a try.
+		}
+		else
+		{
+		    setTrailer(t);
+		}
+	    }
+	}
+    }
+
+    if (! this->trailer.isInitialized())
+    {
+	// We could check the last encountered object to see if it was
+	// an xref stream.  If so, we could try to get the trailer
+	// from there.  This may make it possible to recover files
+	// with bad startxref pointers even when they have object
+	// streams.
+
+	throw QPDFExc(this->file.getName() + ": unable to find trailer "
+		      "dictionary while recovering damanged file");
+    }
+
+    // We could iterate through the objects looking for streams and
+    // try to find objects inside of them, but it's probably not worth
+    // the trouble.  Acrobat can't recover files with any errors in an
+    // xref stream, and this would be a real long shot anyway.  If we
+    // wanted to do anything that involved looking at stream contents,
+    // we'd also have to call initializeEncryption() here.  It's safe
+    // to call it more than once.
+}
+
+void
+QPDF::read_xref(off_t xref_offset)
+{
+    std::map<int, int> free_table;
+    while (xref_offset)
+    {
+	this->file.seek(xref_offset, SEEK_SET);
+	std::string line = this->file.readLine();
+	if (line == "xref")
+	{
+	    xref_offset = read_xrefTable(this->file.tell());
+	}
+	else
+	{
+	    xref_offset = read_xrefStream(xref_offset);
+	}
+    }
+
+    int size = this->trailer.getKey("/Size").getIntValue();
+    int max_obj = (*(xref_table.rbegin())).first.obj;
+    if (! this->deleted_objects.empty())
+    {
+	max_obj = std::max(max_obj, *(this->deleted_objects.rbegin()));
+    }
+    if (size != max_obj + 1)
+    {
+	QTC::TC("qpdf", "QPDF xref size mismatch");
+	warn(QPDFExc(this->file.getName() +
+		     std::string(": reported number of objects (") +
+		     QUtil::int_to_string(size) +
+		     ") inconsistent with actual number of objects (" +
+		     QUtil::int_to_string(max_obj + 1) + ")"));
+    }
+
+    // We no longer need the deleted_objects table, so go ahead and
+    // clear it out to make sure we never depend on its being set.
+    this->deleted_objects.clear();
+}
+
+int
+QPDF::read_xrefTable(off_t xref_offset)
+{
+    static PCRE xref_first_re("^(\\d+)\\s+(\\d+)");
+    static PCRE xref_entry_re("(?s:(^\\d{10}) (\\d{5}) ([fn])[ \r\n]{2}$)");
+
+    std::vector<ObjGen> deleted_items;
+
+    this->file.seek(xref_offset, SEEK_SET);
+    bool done = false;
+    while (! done)
+    {
+	std::string line = this->file.readLine();
+	PCRE::Match m1 = xref_first_re.match(line.c_str());
+	if (! m1)
+	{
+	    QTC::TC("qpdf", "QPDF invalid xref");
+	    throw QPDFExc(this->file.getName(), this->file.getLastOffset(),
+			  "xref syntax invalid");
+	}
+	int obj = atoi(m1.getMatch(1).c_str());
+	int num = atoi(m1.getMatch(2).c_str());
+	static int const xref_entry_size = 20;
+	char xref_entry[xref_entry_size + 1];
+	for (int i = obj; i < obj + num; ++i)
+	{
+	    if (i == 0)
+	    {
+		// This is needed by checkLinearization()
+		this->first_xref_item_offset = this->file.tell();
+	    }
+	    memset(xref_entry, 0, sizeof(xref_entry));
+	    this->file.read(xref_entry, xref_entry_size);
+	    PCRE::Match m2 = xref_entry_re.match(xref_entry);
+	    if (! m2)
+	    {
+		QTC::TC("qpdf", "QPDF invalid xref entry");
+		throw QPDFExc(
+		    this->file.getName(), this->file.getLastOffset(),
+		    "invalid xref entry (obj=" +
+		    QUtil::int_to_string(i) + ")");
+	    }
+
+	    int f1 = atoi(m2.getMatch(1).c_str());
+	    int f2 = atoi(m2.getMatch(2).c_str());
+	    char type = m2.getMatch(3)[0];
+	    if (type == 'f')
+	    {
+		// Save deleted items until after we've checked the
+		// XRefStm, if any.
+		deleted_items.push_back(ObjGen(i, f2));
+	    }
+	    else
+	    {
+		insertXrefEntry(i, 1, f1, f2);
+	    }
+	}
+	off_t pos = this->file.tell();
+	QPDFTokenizer::Token t = readToken(&this->file);
+	if (t == QPDFTokenizer::Token(QPDFTokenizer::tt_word, "trailer"))
+	{
+	    done = true;
+	}
+	else
+	{
+	    this->file.seek(pos, SEEK_SET);
+	}
+    }
+
+    // Set offset to previous xref table if any
+    QPDFObjectHandle cur_trailer = readObject(&this->file, 0, 0, false);
+    if (! cur_trailer.isDictionary())
+    {
+	QTC::TC("qpdf", "QPDF missing trailer");
+	throw QPDFExc(this->file.getName(), this->file.getLastOffset(),
+		      "expected trailer dictionary");
+    }
+
+    if (! this->trailer.isInitialized())
+    {
+	setTrailer(cur_trailer);
+
+	if (! this->trailer.hasKey("/Size"))
+	{
+	    QTC::TC("qpdf", "QPDF trailer lacks size");
+	    throw QPDFExc(this->file.getName(), this->file.getLastOffset(),
+			  "trailer dictionary lacks /Size key");
+	}
+	if (! this->trailer.getKey("/Size").isInteger())
+	{
+	    QTC::TC("qpdf", "QPDF trailer size not integer");
+	    throw QPDFExc(this->file.getName(), this->file.getLastOffset(),
+			  "/Size key in trailer dictionary is not "
+			  "an integer");
+	}
+    }
+
+    if (cur_trailer.hasKey("/XRefStm"))
+    {
+	if (this->ignore_xref_streams)
+	{
+	    QTC::TC("qpdf", "QPDF ignoring XRefStm in trailer");
+	}
+	else
+	{
+	    if (cur_trailer.getKey("/XRefStm").isInteger())
+	    {
+		// Read the xref stream but disregard any return value
+		// -- we'll use our trailer's /Prev key instead of the
+		// xref stream's.
+		(void) read_xrefStream(
+		    cur_trailer.getKey("/XRefStm").getIntValue());
+	    }
+	    else
+	    {
+		throw QPDFExc(this->file.getName(), xref_offset,
+			      "invalid /XRefStm");
+	    }
+	}
+    }
+
+    // Handle any deleted items now that we've read the /XRefStm.
+    for (std::vector<ObjGen>::iterator iter = deleted_items.begin();
+	 iter != deleted_items.end(); ++iter)
+    {
+	ObjGen& og = *iter;
+	insertXrefEntry(og.obj, 0, 0, og.gen);
+    }
+
+    if (cur_trailer.hasKey("/Prev"))
+    {
+	if (! cur_trailer.getKey("/Prev").isInteger())
+	{
+	    QTC::TC("qpdf", "QPDF trailer prev not integer");
+	    throw QPDFExc(this->file.getName(), this->file.getLastOffset(),
+			  "/Prev key in trailer dictionary is not "
+			  "an integer");
+	}
+	QTC::TC("qpdf", "QPDF prev key in trailer dictionary");
+	xref_offset = cur_trailer.getKey("/Prev").getIntValue();
+    }
+    else
+    {
+	xref_offset = 0;
+    }
+
+    return xref_offset;
+}
+
+int
+QPDF::read_xrefStream(off_t xref_offset)
+{
+    bool found = false;
+    if (! this->ignore_xref_streams)
+    {
+	int xobj;
+	int xgen;
+	QPDFObjectHandle xref_obj;
+	try
+	{
+	    xref_obj = readObjectAtOffset(xref_offset, 0, 0, xobj, xgen);
+	}
+	catch (QPDFExc& e)
+	{
+	    // ignore -- report error below
+	}
+	if (xref_obj.isInitialized() &&
+	    xref_obj.isStream() &&
+	    xref_obj.getDict().getKey("/Type").isName() &&
+	    xref_obj.getDict().getKey("/Type").getName() == "/XRef")
+	{
+	    QTC::TC("qpdf", "QPDF found xref stream");
+	    found = true;
+	    xref_offset = processXRefStream(xref_offset, xref_obj);
+	}
+    }
+
+    if (! found)
+    {
+	QTC::TC("qpdf", "QPDF can't find xref");
+	throw QPDFExc(this->file.getName(), xref_offset, "xref not found");
+    }
+
+    return xref_offset;
+}
+
+int
+QPDF::processXRefStream(off_t xref_offset, QPDFObjectHandle& xref_obj)
+{
+    QPDFObjectHandle dict = xref_obj.getDict();
+    QPDFObjectHandle W_obj = dict.getKey("/W");
+    QPDFObjectHandle Index_obj = dict.getKey("/Index");
+    if (! (W_obj.isArray() &&
+	   (W_obj.getArrayNItems() >= 3) &&
+	   W_obj.getArrayItem(0).isInteger() &&
+	   W_obj.getArrayItem(1).isInteger() &&
+	   W_obj.getArrayItem(2).isInteger() &&
+	   dict.getKey("/Size").isInteger() &&
+	   (Index_obj.isArray() || Index_obj.isNull())))
+    {
+	throw QPDFExc(this->file.getName(), xref_offset,
+		      "Cross-reference stream does not have"
+		      " proper /W and /Index keys");
+    }
+    std::vector<int> indx;
+    if (Index_obj.isArray())
+    {
+	int n_index = Index_obj.getArrayNItems();
+	if ((n_index % 2) || (n_index < 2))
+	{
+	    throw QPDFExc(this->file.getName(), xref_offset,
+			  "Cross-reference stream's /Index has an"
+			  " invalid number of values");
+	}
+	for (int i = 0; i < n_index; ++i)
+	{
+	    if (Index_obj.getArrayItem(i).isInteger())
+	    {
+		indx.push_back(Index_obj.getArrayItem(i).getIntValue());
+	    }
+	    else
+	    {
+		throw QPDFExc(this->file.getName(), xref_offset,
+			      "Cross-reference stream's /Index's item " +
+			      QUtil::int_to_string(i) +
+			      " is not an integer");
+	    }
+	}
+	QTC::TC("qpdf", "QPDF xref /Index is array",
+		n_index == 2 ? 0 : 1);
+    }
+    else
+    {
+	QTC::TC("qpdf", "QPDF xref /Index is null");
+	int size = dict.getKey("/Size").getIntValue();
+	indx.push_back(0);
+	indx.push_back(size);
+    }
+
+    int num_entries = 0;
+    for (unsigned int i = 1; i < indx.size(); i += 2)
+    {
+	num_entries += indx[i];
+    }
+
+    int W[3];
+    int entry_size = 0;
+    for (int i = 0; i < 3; ++i)
+    {
+	W[i] = W_obj.getArrayItem(i).getIntValue();
+	entry_size += W[i];
+    }
+
+    int expected_size = entry_size * num_entries;
+
+    PointerHolder<Buffer> bp = xref_obj.getStreamData();
+    int actual_size = bp.getPointer()->getSize();
+
+    if (expected_size != actual_size)
+    {
+	throw QPDFExc(this->file.getName(), xref_offset,
+		      "Cross-reference stream data has the wrong size;"
+		      " expected = " + QUtil::int_to_string(expected_size) +
+		      "; actual = " + QUtil::int_to_string(actual_size));
+    }
+
+    int cur_chunk = 0;
+    int chunk_count = 0;
+
+    bool saw_first_compressed_object = false;
+
+    unsigned char const* data = bp.getPointer()->getBuffer();
+    for (int i = 0; i < num_entries; ++i)
+    {
+	// Read this entry
+	unsigned char const* entry = data + (entry_size * i);
+	int fields[3];
+	unsigned char const* p = entry;
+	for (int j = 0; j < 3; ++j)
+	{
+	    fields[j] = 0;
+	    if ((j == 0) && (W[0] == 0))
+	    {
+		QTC::TC("qpdf", "QPDF default for xref stream field 0");
+		fields[0] = 1;
+	    }
+	    for (int k = 0; k < W[j]; ++k)
+	    {
+		fields[j] <<= 8;
+		fields[j] += (int)(*p++);
+	    }
+	}
+
+	// Get the object and generation number.  The object number is
+	// based on /Index.  The generation number is 0 unless this is
+	// an uncompressed object record, in which case the generation
+	// number appears as the third field.
+	int obj = indx[cur_chunk] + chunk_count;
+	++chunk_count;
+	if (chunk_count >= indx[cur_chunk + 1])
+	{
+	    cur_chunk += 2;
+	    chunk_count = 0;
+	}
+
+	if (saw_first_compressed_object)
+	{
+	    if (fields[0] != 2)
+	    {
+		this->uncompressed_after_compressed = true;
+	    }
+	}
+	else if (fields[0] == 2)
+	{
+	    saw_first_compressed_object = true;
+	}
+	if (obj == 0)
+	{
+	    // This is needed by checkLinearization()
+	    this->first_xref_item_offset = xref_offset;
+	}
+	insertXrefEntry(obj, fields[0], fields[1], fields[2]);
+    }
+
+    if (! this->trailer.isInitialized())
+    {
+	setTrailer(dict);
+    }
+
+    if (dict.hasKey("/Prev"))
+    {
+	if (! dict.getKey("/Prev").isInteger())
+	{
+	    throw QPDFExc(this->file.getName(), this->file.getLastOffset(),
+			  "/Prev key in xref stream dictionary is not "
+			  "an integer");
+	}
+	QTC::TC("qpdf", "QPDF prev key in xref stream dictionary");
+	xref_offset = dict.getKey("/Prev").getIntValue();
+    }
+    else
+    {
+	xref_offset = 0;
+    }
+
+    return xref_offset;
+}
+
+void
+QPDF::insertXrefEntry(int obj, int f0, int f1, int f2)
+{
+    // Populate the xref table in such a way that the first reference
+    // to an object that we see, which is the one in the latest xref
+    // table in which it appears, is the one that gets stored.
+
+    // If there is already an entry for this object and generation in
+    // the table, it means that a later xref table has registered this
+    // object.  Disregard this one.
+    { // private scope
+	int gen = (f0 == 2 ? 0 : f2);
+	ObjGen og(obj, gen);
+	if (this->xref_table.count(og))
+	{
+	    QTC::TC("qpdf", "QPDF xref reused object");
+	    return;
+	}
+	if (this->deleted_objects.count(obj))
+	{
+	    QTC::TC("qpdf", "QPDF xref deleted object");
+	    return;
+	}
+    }
+
+    switch (f0)
+    {
+      case 0:
+	this->deleted_objects.insert(obj);
+	break;
+
+      case 1:
+	// f2 is generation
+	QTC::TC("qpdf", "QPDF xref gen > 0", ((f2 > 0) ? 1 : 0));
+	this->xref_table[ObjGen(obj, f2)] = QPDFXRefEntry(f0, f1, f2);
+	break;
+
+      case 2:
+	this->xref_table[ObjGen(obj, 0)] = QPDFXRefEntry(f0, f1, f2);
+	break;
+
+      default:
+	throw QPDFExc(this->file.getName(), 0,
+		      "unknown xref stream entry type " +
+		      QUtil::int_to_string(f0));
+	break;
+    }
+}
+
+void
+QPDF::showXRefTable()
+{
+    for (std::map<ObjGen, QPDFXRefEntry>::iterator iter =
+	     this->xref_table.begin();
+	 iter != this->xref_table.end(); ++iter)
+    {
+	ObjGen const& og = (*iter).first;
+	QPDFXRefEntry const& entry = (*iter).second;
+	std::cout << og.obj << "/" << og.gen << ": ";
+	switch (entry.getType())
+	{
+	  case 1:
+	    std::cout << "uncompressed; offset = " << entry.getOffset();
+	    break;
+
+	  case 2:
+	    std::cout << "compressed; stream = " << entry.getObjStreamNumber()
+		      << ", index = " << entry.getObjStreamIndex();
+	    break;
+
+	  default:
+	    throw QEXC::Internal("unknown cross-reference table type while"
+				 " showing xref_table");
+	    break;
+	}
+	std::cout << std::endl;
+    }
+}
+
+QPDFObjectHandle
+QPDF::readObject(InputSource* input, int objid, int generation,
+		 bool in_object_stream)
+{
+    off_t offset = input->tell();
+    QPDFObjectHandle object = readObjectInternal(
+	input, objid, generation, in_object_stream, false, false);
+    // Override last_offset so that it points to the beginning of the
+    // object we just read
+    input->setLastOffset(offset);
+    return object;
+}
+
+QPDFObjectHandle
+QPDF::readObjectInternal(InputSource* input,
+			 int objid, int generation,
+			 bool in_object_stream,
+			 bool in_array, bool in_dictionary)
+{
+    if (in_dictionary && in_array)
+    {
+	// Although dictionaries and arrays arbitrarily nest, these
+	// variables indicate what is at the top of the stack right
+	// now, so they can, by definition, never both be true.
+	throw QEXC::Internal("readObjectInternal: in_dict && in_array");
+    }
+
+    QPDFObjectHandle object;
+
+    off_t offset = input->tell();
+    std::vector<QPDFObjectHandle> olist;
+    bool done = false;
+    while (! done)
+    {
+	object = QPDFObjectHandle();
+
+	QPDFTokenizer::Token token = readToken(input);
+
+	switch (token.getType())
+	{
+	  case QPDFTokenizer::tt_brace_open:
+	  case QPDFTokenizer::tt_brace_close:
+	    // Don't know what to do with these for now
+	    QTC::TC("qpdf", "QPDF bad brace");
+	    throw QPDFExc(input->getName(), input->getLastOffset(),
+			  "unexpected brace token");
+	    break;
+
+	  case QPDFTokenizer::tt_array_close:
+	    if (in_array)
+	    {
+		done = true;
+	    }
+	    else
+	    {
+		QTC::TC("qpdf", "QPDF bad array close");
+		throw QPDFExc(input->getName(), input->getLastOffset(),
+			      "unexpected array close token");
+	    }
+	    break;
+
+	  case QPDFTokenizer::tt_dict_close:
+	    if (in_dictionary)
+	    {
+		done = true;
+	    }
+	    else
+	    {
+		QTC::TC("qpdf", "QPDF bad dictionary close");
+		throw QPDFExc(input->getName(), input->getLastOffset(),
+			      "unexpected dictionary close token");
+	    }
+	    break;
+
+	  case QPDFTokenizer::tt_array_open:
+	    object = readObjectInternal(
+		input, objid, generation, in_object_stream, true, false);
+	    break;
+
+	  case QPDFTokenizer::tt_dict_open:
+	    object = readObjectInternal(
+		input, objid, generation, in_object_stream, false, true);
+	    break;
+
+	  case QPDFTokenizer::tt_bool:
+	    object = QPDFObjectHandle::newBool(
+		(token.getValue() == "true"));
+	    break;
+
+	  case QPDFTokenizer::tt_null:
+	    object = QPDFObjectHandle::newNull();
+	    break;
+
+	  case QPDFTokenizer::tt_integer:
+	    object = QPDFObjectHandle::newInteger(
+		atoi(token.getValue().c_str()));
+	    break;
+
+	  case QPDFTokenizer::tt_real:
+	    object = QPDFObjectHandle::newReal(token.getValue());
+	    break;
+
+	  case QPDFTokenizer::tt_name:
+	    object = QPDFObjectHandle::newName(token.getValue());
+	    break;
+
+	  case QPDFTokenizer::tt_word:
+	    {
+		std::string const& value = token.getValue();
+		if ((value == "R") && (in_array || in_dictionary) &&
+		    (olist.size() >= 2) &&
+		    (olist[olist.size() - 1].isInteger()) &&
+		    (olist[olist.size() - 2].isInteger()))
+		{
+		    // Try to resolve indirect objects
+		    object = QPDFObjectHandle::Factory::newIndirect(
+			this,
+			olist[olist.size() - 2].getIntValue(),
+			olist[olist.size() - 1].getIntValue());
+		    olist.pop_back();
+		    olist.pop_back();
+		}
+		else
+		{
+		    throw QPDFExc(input->getName(), input->getLastOffset(),
+				  "unknown token while reading object (" +
+				  value + ")");
+		}
+	    }
+	    break;
+
+	  case QPDFTokenizer::tt_string:
+	    {
+		std::string val = token.getValue();
+		if (this->encrypted && (! in_object_stream))
+		{
+		    decryptString(val, objid, generation);
+		}
+		object = QPDFObjectHandle::newString(val);
+	    }
+	    break;
+
+	  default:
+	    throw QPDFExc(input->getName(), input->getLastOffset(),
+			  "unknown token type while reading object");
+	    break;
+	}
+
+	if (in_dictionary || in_array)
+	{
+	    if (! done)
+	    {
+		olist.push_back(object);
+	    }
+	}
+	else if (! object.isInitialized())
+	{
+	    throw QEXC::Internal(std::string("uninitialized object (token = ") +
+				 QUtil::int_to_string(token.getType()) +
+				 ", " + token.getValue() + ")");
+	}
+	else
+	{
+	    done = true;
+	}
+    }
+
+    if (in_array)
+    {
+	object = QPDFObjectHandle::newArray(olist);
+    }
+    else if (in_dictionary)
+    {
+	// Convert list to map.  Alternating elements are keys.
+	std::map<std::string, QPDFObjectHandle> dict;
+	if (olist.size() % 2)
+	{
+	    QTC::TC("qpdf", "QPDF dictionary odd number of elements");
+	    throw QPDFExc(
+		input->getName(), input->getLastOffset(),
+		"dictionary ending here has an odd number of elements");
+	}
+	for (unsigned int i = 0; i < olist.size(); i += 2)
+	{
+	    QPDFObjectHandle key_obj = olist[i];
+	    QPDFObjectHandle val = olist[i + 1];
+	    if (! key_obj.isName())
+	    {
+		throw QPDFExc(
+		    input->getName(), offset,
+		    std::string("dictionary key not name (") +
+		    key_obj.unparse() + ")");
+	    }
+	    dict[key_obj.getName()] = val;
+	}
+	object = QPDFObjectHandle::newDictionary(dict);
+
+	if (! in_object_stream)
+	{
+	    // check for stream
+	    off_t cur_offset = input->tell();
+	    if (readToken(input) ==
+		QPDFTokenizer::Token(QPDFTokenizer::tt_word, "stream"))
+	    {
+		// Kill to next actual newline.  Do not use readLine()
+		// here -- streams are a special case.  The next
+		// single newline character marks the end of the
+		// stream token.  It is incorrect to strip subsequent
+		// carriage returns or newlines as they may be part of
+		// the stream.
+		{
+		    char ch;
+		    do
+		    {
+			if (input->read(&ch, 1) == 0)
+			{
+			    // A premature EOF here will result in
+			    // some other problem that will get
+			    // reported at another time.
+			    ch = '\n';
+			}
+		    } while (ch != '\n');
+		}
+
+		// Must get offset before accessing any additional
+		// objects since resolving a previously unresolved
+		// indirect object will change file position.
+		off_t stream_offset = input->tell();
+		int length = 0;
+
+		try
+		{
+		    if (dict.count("/Length") == 0)
+		    {
+			QTC::TC("qpdf", "QPDF stream without length");
+			throw QPDFExc(input->getName(), offset,
+				      "stream dictionary lacks /Length key");
+		    }
+
+		    QPDFObjectHandle length_obj = dict["/Length"];
+		    if (! length_obj.isInteger())
+		    {
+			QTC::TC("qpdf", "QPDF stream length not integer");
+			throw QPDFExc(input->getName(), offset,
+				      "/Length key in stream dictionary is not "
+				      "an integer");
+		    }
+
+		    length = length_obj.getIntValue();
+		    input->seek(stream_offset + length, SEEK_SET);
+		    if (! (readToken(input) ==
+			   QPDFTokenizer::Token(
+			       QPDFTokenizer::tt_word, "endstream")))
+		    {
+			QTC::TC("qpdf", "QPDF missing endstream");
+			throw QPDFExc(input->getName(), input->getLastOffset(),
+				      "expected endstream");
+		    }
+		}
+		catch (QPDFExc& e)
+		{
+		    if (this->attempt_recovery)
+		    {
+			// may throw an exception
+			length = recoverStreamLength(
+			    input, objid, generation, stream_offset);
+		    }
+		    else
+		    {
+			throw e;
+		    }
+		}
+		object = QPDFObjectHandle::Factory::newStream(
+		    this, objid, generation, object, stream_offset, length);
+	    }
+	    else
+	    {
+		input->seek(cur_offset, SEEK_SET);
+	    }
+	}
+    }
+
+    return object;
+}
+
+int
+QPDF::recoverStreamLength(InputSource* input,
+			  int objid, int generation, off_t stream_offset)
+{
+    static PCRE endobj_re("^endobj\\b");
+
+    // Try to reconstruct stream length by looking for
+    // endstream(\r\n?|\n)endobj
+    warn(QPDFExc(input->getName(), stream_offset,
+		 "attempting to recover stream length"));
+
+    input->seek(0, SEEK_END);
+    off_t eof = input->tell();
+    input->seek(stream_offset, SEEK_SET);
+    std::string last_line;
+    off_t last_line_offset = 0;
+    int length = 0;
+    while (input->tell() < eof)
+    {
+	std::string line = input->readLine();
+	// Can't use regexp last_line since it might contain nulls
+	if (endobj_re.match(line.c_str()) &&
+	    (last_line.length() >= 9) &&
+	    (last_line.substr(last_line.length() - 9, 9) == "endstream"))
+	{
+	    // Stream probably ends right before "endstream", which
+	    // contains 9 characters.
+	    length = last_line_offset + last_line.length() - 9 - stream_offset;
+	    // Go back to where we would have been if we had just read
+	    // the endstream.
+	    input->seek(input->getLastOffset(), SEEK_SET);
+	    break;
+	}
+	last_line = line;
+	last_line_offset = input->getLastOffset();
+    }
+
+    if (length)
+    {
+	int this_obj_offset = 0;
+	ObjGen this_obj(0, 0);
+
+	// Make sure this is inside this object
+	for (std::map<ObjGen, QPDFXRefEntry>::iterator iter =
+		 this->xref_table.begin();
+	     iter != this->xref_table.end(); ++iter)
+	{
+	    ObjGen const& og = (*iter).first;
+	    QPDFXRefEntry const& entry = (*iter).second;
+	    if (entry.getType() == 1)
+	    {
+		int obj_offset = entry.getOffset();
+		if ((obj_offset > stream_offset) &&
+		    ((this_obj_offset == 0) ||
+		     (this_obj_offset > obj_offset)))
+		{
+		    this_obj_offset = obj_offset;
+		    this_obj = og;
+		}
+	    }
+	}
+	if (this_obj_offset &&
+	    (this_obj.obj == objid) &&
+	    (this_obj.gen == generation))
+	{
+	    // Well, we found endstream\nendobj within the space
+	    // allowed for this object, so we're probably in good
+	    // shape.
+	}
+	else
+	{
+	    QTC::TC("qpdf", "QPDF found wrong endstream in recovery");
+	}
+    }
+
+    if (length == 0)
+    {
+	throw QPDFExc(input->getName(), stream_offset,
+		      "unable to recover stream data");
+    }
+
+    QTC::TC("qpdf", "QPDF recovered stream length");
+    return length;
+}
+
+QPDFTokenizer::Token
+QPDF::readToken(InputSource* input)
+{
+    off_t offset = input->tell();
+    QPDFTokenizer::Token token;
+    bool unread_char;
+    char char_to_unread;
+    while (! this->tokenizer.getToken(token, unread_char, char_to_unread))
+    {
+	char ch;
+	if (input->read(&ch, 1) == 0)
+	{
+	    throw QPDFExc(input->getName(), offset, "EOF while reading token");
+	}
+	else
+	{
+	    if (isspace(ch) && (input->getLastOffset() == offset))
+	    {
+		++offset;
+	    }
+	    this->tokenizer.presentCharacter(ch);
+	}
+    }
+
+    if (unread_char)
+    {
+	input->unreadCh(char_to_unread);
+    }
+
+    if (token.getType() == QPDFTokenizer::tt_bad)
+    {
+	throw QPDFExc(input->getName(), offset, token.getErrorMessage());
+    }
+
+    input->setLastOffset(offset);
+
+    return token;
+}
+
+QPDFObjectHandle
+QPDF::readObjectAtOffset(off_t offset, int exp_objid, int exp_generation,
+			 int& objid, int& generation)
+{
+    this->file.seek(offset, SEEK_SET);
+
+    QPDFTokenizer::Token tobjid = readToken(&this->file);
+    QPDFTokenizer::Token tgen = readToken(&this->file);
+    QPDFTokenizer::Token tobj = readToken(&this->file);
+
+    bool objidok = (tobjid.getType() == QPDFTokenizer::tt_integer);
+    int genok = (tgen.getType() == QPDFTokenizer::tt_integer);
+    int objok = (tobj == QPDFTokenizer::Token(QPDFTokenizer::tt_word, "obj"));
+
+    QTC::TC("qpdf", "QPDF check objid", objidok ? 1 : 0);
+    QTC::TC("qpdf", "QPDF check generation", genok ? 1 : 0);
+    QTC::TC("qpdf", "QPDF check obj", objok ? 1 : 0);
+
+    try
+    {
+	if (! (objidok && genok && objok))
+	{
+	    QTC::TC("qpdf", "QPDF expected n n obj");
+	    throw QPDFExc(this->file.getName(), offset, "expected n n obj");
+	}
+	objid = atoi(tobjid.getValue().c_str());
+	generation = atoi(tgen.getValue().c_str());
+
+	if (exp_objid &&
+	    (! ((objid == exp_objid) && (generation == exp_generation))))
+	{
+	    QTC::TC("qpdf", "QPDF err wrong objid/generation");
+	    throw QPDFExc(this->file.getName(), offset,
+			  std::string("expected ") +
+			  QUtil::int_to_string(exp_objid) + " " +
+			  QUtil::int_to_string(exp_generation) + " obj");
+	}
+    }
+    catch (QPDFExc& e)
+    {
+	if (exp_objid && this->attempt_recovery)
+	{
+	    // Try again after reconstructing xref table
+	    reconstruct_xref(e);
+	    ObjGen og(exp_objid, exp_generation);
+	    if (this->xref_table.count(og) &&
+		(this->xref_table[og].getType() == 1))
+	    {
+		off_t new_offset = this->xref_table[og].getOffset();
+		// Call readObjectAtOffset with 0 for exp_objid to
+		// avoid an infinite loop.
+		QPDFObjectHandle result =
+		    readObjectAtOffset(new_offset, 0, 0, objid, generation);
+		QTC::TC("qpdf", "QPDF recovered in readObjectAtOffset");
+		return result;
+	    }
+	}
+	else
+	{
+	    throw e;
+	}
+    }
+
+    QPDFObjectHandle oh = readObject(
+	&this->file, objid, generation, false);
+
+    if (! (readToken(&this->file) ==
+	   QPDFTokenizer::Token(QPDFTokenizer::tt_word, "endobj")))
+    {
+	QTC::TC("qpdf", "QPDF err expected endobj");
+	warn(QPDFExc(this->file.getName(), this->file.getLastOffset(),
+		     "expected endobj"));
+    }
+
+    ObjGen og(objid, generation);
+    if (! this->obj_cache.count(og))
+    {
+	// Store the object in the cache here so it gets cached
+	// whether we first know the offset or whether we first know
+	// the object ID and generation (in which we case we would get
+	// here through resolve).
+
+	// Determine the end offset of this object before and after
+	// white space.  We use these numbers to validate
+	// linearization hint tables.  Offsets and lengths of objects
+	// may imply the end of an object to be anywhere between these
+	// values.
+	off_t end_before_space = this->file.tell();
+
+	// skip over spaces
+	while (true)
+	{
+	    char ch;
+	    if (this->file.read(&ch, 1))
+	    {
+		if (! isspace(ch))
+		{
+		    this->file.seek(-1, SEEK_CUR);
+		    break;
+		}
+	    }
+	    else
+	    {
+		throw QPDFExc(this->file.getName(), offset,
+			      "EOF after endobj");
+	    }
+	}
+	off_t end_after_space = this->file.tell();
+
+	this->obj_cache[og] =
+	    ObjCache(QPDFObjectHandle::ObjAccessor::getObject(oh),
+		     end_before_space, end_after_space);
+    }
+
+    return oh;
+}
+
+PointerHolder<QPDFObject>
+QPDF::resolve(int objid, int generation)
+{
+    // Check object cache before checking xref table.  This allows us
+    // to insert things into the object cache that don't actually
+    // exist in the file.
+    ObjGen og(objid, generation);
+    if (! this->obj_cache.count(og))
+    {
+	if (! this->xref_table.count(og))
+	{
+	    // PDF spec says unknown objects resolve to the null object.
+	    return new QPDF_Null;
+	}
+
+	QPDFXRefEntry const& entry = this->xref_table[og];
+	switch (entry.getType())
+	{
+	  case 1:
+	    {
+		off_t offset = entry.getOffset();
+		// Object stored in cache by readObjectAtOffset
+		int aobjid;
+		int ageneration;
+		QPDFObjectHandle oh =
+		    readObjectAtOffset(offset, objid, generation,
+				       aobjid, ageneration);
+	    }
+	    break;
+
+	  case 2:
+	    resolveObjectsInStream(entry.getObjStreamNumber());
+	    break;
+
+	  default:
+	    throw QPDFExc(this->file.getName(), 0,
+			  "object " +
+			  QUtil::int_to_string(objid) + "/" +
+			  QUtil::int_to_string(generation) +
+			  " has unexpected xref entry type");
+	}
+    }
+
+    return this->obj_cache[og].object;
+}
+
+void
+QPDF::resolveObjectsInStream(int obj_stream_number)
+{
+    // Force resolution of object stream
+    QPDFObjectHandle obj_stream = getObjectByID(obj_stream_number, 0);
+    if (! obj_stream.isStream())
+    {
+	throw QPDFExc(this->file.getName(), this->file.getLastOffset(),
+		      "supposed object stream " +
+		      QUtil::int_to_string(obj_stream_number) +
+		      " is not a stream");
+    }
+
+    // For linearization data in the object, use the data from the
+    // object stream for the objects in the stream.
+    ObjGen stream_og(obj_stream_number, 0);
+    off_t end_before_space = this->obj_cache[stream_og].end_before_space;
+    off_t end_after_space = this->obj_cache[stream_og].end_after_space;
+
+    QPDFObjectHandle dict = obj_stream.getDict();
+    if (! (dict.getKey("/Type").isName() &&
+	   dict.getKey("/Type").getName() == "/ObjStm"))
+    {
+	throw QPDFExc(this->file.getName(), this->file.getLastOffset(),
+		      "supposed object stream " +
+		      QUtil::int_to_string(obj_stream_number) +
+		      " has wrong type");
+    }
+
+    if (! (dict.getKey("/N").isInteger() &&
+	   dict.getKey("/First").isInteger()))
+    {
+	throw QPDFExc(this->file.getName(), this->file.getLastOffset(),
+		      "object stream " +
+		      QUtil::int_to_string(obj_stream_number) +
+		      " has incorrect keys");
+    }
+
+    int n = dict.getKey("/N").getIntValue();
+    int first = dict.getKey("/First").getIntValue();
+
+    std::map<int, int> offsets;
+
+    PointerHolder<Buffer> bp = obj_stream.getStreamData();
+    BufferInputSource input(
+	"object stream " + QUtil::int_to_string(obj_stream_number),
+	bp.getPointer());
+
+    for (int i = 0; i < n; ++i)
+    {
+	QPDFTokenizer::Token tnum = readToken(&input);
+	QPDFTokenizer::Token toffset = readToken(&input);
+	if (! ((tnum.getType() == QPDFTokenizer::tt_integer) &&
+	       (toffset.getType() == QPDFTokenizer::tt_integer)))
+	{
+	    throw QPDFExc(input.getName(), input.getLastOffset(),
+			  "expected integer in object stream header");
+	}
+
+	int num = atoi(tnum.getValue().c_str());
+	int offset = atoi(toffset.getValue().c_str());
+	offsets[num] = offset + first;
+    }
+
+    for (std::map<int, int>::iterator iter = offsets.begin();
+	 iter != offsets.end(); ++iter)
+    {
+	int obj = (*iter).first;
+	int offset = (*iter).second;
+	input.seek(offset, SEEK_SET);
+	QPDFObjectHandle oh = readObject(&input, obj, 0, true);
+
+	// Store in cache
+	ObjGen og(obj, 0);
+
+	this->obj_cache[og] =
+	    ObjCache(QPDFObjectHandle::ObjAccessor::getObject(oh),
+		     end_before_space, end_after_space);
+    }
+}
+
+QPDFObjectHandle
+QPDF::makeIndirectObject(QPDFObjectHandle oh)
+{
+    ObjGen o1 = (*(this->obj_cache.rbegin())).first;
+    ObjGen o2 = (*(this->xref_table.rbegin())).first;
+    QTC::TC("qpdf", "QPDF indirect last obj from xref",
+	    (o2.obj > o1.obj) ? 1 : 0);
+    int max_objid = std::max(o1.obj, o2.obj);
+    ObjGen next(max_objid + 1, 0);
+    this->obj_cache[next] =
+	ObjCache(QPDFObjectHandle::ObjAccessor::getObject(oh), -1, -1);
+    return QPDFObjectHandle::Factory::newIndirect(this, next.obj, next.gen);
+}
+
+QPDFObjectHandle
+QPDF::getObjectByID(int objid, int generation)
+{
+    return QPDFObjectHandle::Factory::newIndirect(this, objid, generation);
+}
+
+void
+QPDF::trimTrailerForWrite()
+{
+    // Note that removing the encryption dictionary does not interfere
+    // with reading encrypted files.  QPDF loads all the information
+    // it needs from the encryption dictionary at the beginning and
+    // never looks at it again.
+    this->trailer.removeKey("/ID");
+    this->trailer.removeKey("/Encrypt");
+    this->trailer.removeKey("/Prev");
+
+    // Remove all trailer keys that potentially come from a
+    // cross-reference stream
+    this->trailer.removeKey("/Index");
+    this->trailer.removeKey("/W");
+    this->trailer.removeKey("/Length");
+    this->trailer.removeKey("/Filter");
+    this->trailer.removeKey("/DecodeParms");
+    this->trailer.removeKey("/Type");
+    this->trailer.removeKey("/XRefStm");
+}
+
+std::string
+QPDF::getFilename() const
+{
+    return this->file.getName();
+}
+
+std::string
+QPDF::getPDFVersion() const
+{
+    return this->pdf_version;
+}
+
+QPDFObjectHandle
+QPDF::getTrailer()
+{
+    return this->trailer;
+}
+
+QPDFObjectHandle
+QPDF::getRoot()
+{
+    return this->trailer.getKey("/Root");
+}
+
+void
+QPDF::getObjectStreamData(std::map<int, int>& omap)
+{
+    for (std::map<ObjGen, QPDFXRefEntry>::iterator iter =
+	     this->xref_table.begin();
+	 iter != this->xref_table.end(); ++iter)
+    {
+	ObjGen const& og = (*iter).first;
+	QPDFXRefEntry const& entry = (*iter).second;
+	if (entry.getType() == 2)
+	{
+	    omap[og.obj] = entry.getObjStreamNumber();
+	}
+    }
+}
+
+std::vector<int>
+QPDF::getCompressibleObjects()
+{
+    // Return a set of object numbers of objects that are allowed to
+    // be in object streams.  We disregard generation numbers here
+    // since this is a helper function for QPDFWriter which is going
+    // to renumber objects anyway.  This code will do weird things if
+    // we have two objects with the same object number and different
+    // generations, but so do virtually all PDF consumers,
+    // particularly since this is not a permitted condition.
+
+    // We walk through the objects by traversing the document from the
+    // root, including a traversal of the pages tree.  This makes that
+    // objects that are on the same page are more likely to be in the
+    // same object stream, which is slightly more efficient,
+    // particularly with linearized files.  This is better than
+    // iterating through the xref table since it avoids preserving
+    // orphaned items.
+
+    // Exclude encryption dictionary, if any
+    int encryption_dict_id = 0;
+    QPDFObjectHandle encryption_dict = trailer.getKey("/Encrypt");
+    if (encryption_dict.isIndirect())
+    {
+	encryption_dict_id = encryption_dict.getObjectID();
+    }
+
+    std::set<int> visited;
+    std::list<QPDFObjectHandle> queue;
+    queue.push_front(this->trailer);
+    std::vector<int> result;
+    while (! queue.empty())
+    {
+	QPDFObjectHandle obj = queue.front();
+	queue.pop_front();
+	if (obj.isIndirect())
+	{
+	    int objid = obj.getObjectID();
+	    if (visited.count(objid))
+	    {
+		QTC::TC("qpdf", "QPDF loop detected traversing objects");
+		continue;
+	    }
+	    if (objid == encryption_dict_id)
+	    {
+		QTC::TC("qpdf", "QPDF exclude encryption dictionary");
+	    }
+	    else if (! obj.isStream())
+	    {
+		result.push_back(objid);
+	    }
+	    visited.insert(objid);
+	}
+	if (obj.isStream())
+	{
+	    QPDFObjectHandle dict = obj.getDict();
+	    std::set<std::string> keys = dict.getKeys();
+	    for (std::set<std::string>::reverse_iterator iter = keys.rbegin();
+		 iter != keys.rend(); ++iter)
+	    {
+		std::string const& key = *iter;
+		QPDFObjectHandle value = dict.getKey(key);
+		if (key == "/Length")
+		{
+		    // omit stream lengths
+		    if (value.isIndirect())
+		    {
+			QTC::TC("qpdf", "QPDF exclude indirect length");
+		    }
+		}
+		else
+		{
+		    queue.push_front(value);
+		}
+	    }
+	}
+	else if (obj.isDictionary())
+	{
+	    std::set<std::string> keys = obj.getKeys();
+	    for (std::set<std::string>::reverse_iterator iter = keys.rbegin();
+		 iter != keys.rend(); ++iter)
+	    {
+		queue.push_front(obj.getKey(*iter));
+	    }
+	}
+	else if (obj.isArray())
+	{
+	    int n = obj.getArrayNItems();
+	    for (int i = 1; i <= n; ++i)
+	    {
+		queue.push_front(obj.getArrayItem(n - i));
+	    }
+	}
+    }
+
+    return result;
+}
+
+void
+QPDF::pipeStreamData(int objid, int generation,
+		     off_t offset, size_t length,
+		     QPDFObjectHandle stream_dict,
+		     Pipeline* pipeline)
+{
+    std::vector<PointerHolder<Pipeline> > to_delete;
+    if (this->encrypted)
+    {
+	bool xref_stream = false;
+	if (stream_dict.getKey("/Type").isName() &&
+	    (stream_dict.getKey("/Type").getName() == "/XRef"))
+	{
+	    QTC::TC("qpdf", "QPDF piping xref stream from encrypted file");
+	    xref_stream = true;
+	}
+	if (! xref_stream)
+	{
+	    decryptStream(pipeline, objid, generation, to_delete);
+	}
+    }
+
+    this->file.seek(offset, SEEK_SET);
+    char buf[10240];
+    while (length > 0)
+    {
+	size_t to_read = (sizeof(buf) < length ? sizeof(buf) : length);
+	size_t len = this->file.read(buf, to_read);
+	if (len == 0)
+	{
+	    throw QPDFExc(this->file.getName(), this->file.getLastOffset(),
+			  "unexpected EOF reading stream data");
+	}
+	length -= len;
+	pipeline->write((unsigned char*)buf, len);
+    }
+    pipeline->finish();
+}
+
+std::vector<QPDFObjectHandle> const&
+QPDF::getAllPages()
+{
+    if (this->all_pages.empty())
+    {
+	getAllPagesInternal(
+	    this->trailer.getKey("/Root").getKey("/Pages"), this->all_pages);
+    }
+    return this->all_pages;
+}
+
+void
+QPDF::getAllPagesInternal(QPDFObjectHandle cur_pages,
+			  std::vector<QPDFObjectHandle>& result)
+{
+    std::string type = cur_pages.getKey("/Type").getName();
+    if (type == "/Pages")
+    {
+	QPDFObjectHandle kids = cur_pages.getKey("/Kids");
+	int n = kids.getArrayNItems();
+	for (int i = 0; i < n; ++i)
+	{
+	    getAllPagesInternal(kids.getArrayItem(i), result);
+	}
+    }
+    else if (type == "/Page")
+    {
+	result.push_back(cur_pages);
+    }
+    else
+    {
+	throw QPDFExc(this->file.getName() + ": invalid Type in page tree");
+    }
+}
diff --git a/libqpdf/QPDFExc.cc b/libqpdf/QPDFExc.cc
new file mode 100644
index 00000000..c7270677
--- /dev/null
+++ b/libqpdf/QPDFExc.cc
@@ -0,0 +1,20 @@
+
+#include <qpdf/QPDFExc.hh>
+
+#include <qpdf/QUtil.hh>
+
+QPDFExc::QPDFExc(std::string const& message) :
+    QEXC::General(message)
+{
+}
+
+QPDFExc::QPDFExc(std::string const& filename, int offset,
+		 std::string const& message) :
+    QEXC::General(filename + ": offset " + QUtil::int_to_string(offset) +
+		  ": " + message)
+{
+}
+
+QPDFExc::~QPDFExc() throw ()
+{
+}
diff --git a/libqpdf/QPDFObject.cc b/libqpdf/QPDFObject.cc
new file mode 100644
index 00000000..6c4963e2
--- /dev/null
+++ b/libqpdf/QPDFObject.cc
@@ -0,0 +1,2 @@
+
+#include <qpdf/QPDFObject.hh>
diff --git a/libqpdf/QPDFObjectHandle.cc b/libqpdf/QPDFObjectHandle.cc
new file mode 100644
index 00000000..9fba7b43
--- /dev/null
+++ b/libqpdf/QPDFObjectHandle.cc
@@ -0,0 +1,637 @@
+
+#include <qpdf/QPDFObjectHandle.hh>
+
+#include <qpdf/QPDF.hh>
+#include <qpdf/QPDF_Bool.hh>
+#include <qpdf/QPDF_Null.hh>
+#include <qpdf/QPDF_Integer.hh>
+#include <qpdf/QPDF_Real.hh>
+#include <qpdf/QPDF_Name.hh>
+#include <qpdf/QPDF_String.hh>
+#include <qpdf/QPDF_Array.hh>
+#include <qpdf/QPDF_Dictionary.hh>
+#include <qpdf/QPDF_Stream.hh>
+
+#include <qpdf/QTC.hh>
+#include <qpdf/QEXC.hh>
+#include <qpdf/QUtil.hh>
+
+QPDFObjectHandle::QPDFObjectHandle() :
+    initialized(false),
+    objid(0),
+    generation(0)
+{
+}
+
+QPDFObjectHandle::QPDFObjectHandle(QPDF* qpdf, int objid, int generation) :
+    initialized(true),
+    qpdf(qpdf),
+    objid(objid),
+    generation(generation)
+{
+}
+
+QPDFObjectHandle::QPDFObjectHandle(QPDFObject* data) :
+    initialized(true),
+    qpdf(0),
+    objid(0),
+    generation(0),
+    obj(data)
+{
+}
+
+bool
+QPDFObjectHandle::isInitialized() const
+{
+    return this->initialized;
+}
+
+template <class T>
+class QPDFObjectTypeAccessor
+{
+  public:
+    static bool check(QPDFObject* o)
+    {
+	return (o && dynamic_cast<T*>(o));
+    }
+};
+
+bool
+QPDFObjectHandle::isBool()
+{
+    dereference();
+    return QPDFObjectTypeAccessor<QPDF_Bool>::check(obj.getPointer());
+}
+
+bool
+QPDFObjectHandle::isNull()
+{
+    dereference();
+    return QPDFObjectTypeAccessor<QPDF_Null>::check(obj.getPointer());
+}
+
+bool
+QPDFObjectHandle::isInteger()
+{
+    dereference();
+    return QPDFObjectTypeAccessor<QPDF_Integer>::check(obj.getPointer());
+}
+
+bool
+QPDFObjectHandle::isReal()
+{
+    dereference();
+    return QPDFObjectTypeAccessor<QPDF_Real>::check(obj.getPointer());
+}
+
+bool
+QPDFObjectHandle::isNumber()
+{
+    return (isInteger() || isReal());
+}
+
+double
+QPDFObjectHandle::getNumericValue()
+{
+    double result = 0.0;
+    if (isInteger())
+    {
+	result = getIntValue();
+    }
+    else if (isReal())
+    {
+	result = atof(getRealValue().c_str());
+    }
+    else
+    {
+	throw QEXC::Internal("getNumericValue called for non-numeric object");
+    }
+    return result;
+}
+
+bool
+QPDFObjectHandle::isName()
+{
+    dereference();
+    return QPDFObjectTypeAccessor<QPDF_Name>::check(obj.getPointer());
+}
+
+bool
+QPDFObjectHandle::isString()
+{
+    dereference();
+    return QPDFObjectTypeAccessor<QPDF_String>::check(obj.getPointer());
+}
+
+bool
+QPDFObjectHandle::isArray()
+{
+    dereference();
+    return QPDFObjectTypeAccessor<QPDF_Array>::check(obj.getPointer());
+}
+
+bool
+QPDFObjectHandle::isDictionary()
+{
+    dereference();
+    return QPDFObjectTypeAccessor<QPDF_Dictionary>::check(obj.getPointer());
+}
+
+bool
+QPDFObjectHandle::isStream()
+{
+    dereference();
+    return QPDFObjectTypeAccessor<QPDF_Stream>::check(obj.getPointer());
+}
+
+bool
+QPDFObjectHandle::isIndirect()
+{
+    assertInitialized();
+    return (this->objid != 0);
+}
+
+bool
+QPDFObjectHandle::isScalar()
+{
+    return (! (isArray() || isDictionary() || isStream()));
+}
+
+// Bool accessors
+
+bool
+QPDFObjectHandle::getBoolValue()
+{
+    assertType("Boolean", isBool());
+    return dynamic_cast<QPDF_Bool*>(obj.getPointer())->getVal();
+}
+
+// Integer accessors
+
+int
+QPDFObjectHandle::getIntValue()
+{
+    assertType("Integer", isInteger());
+    return dynamic_cast<QPDF_Integer*>(obj.getPointer())->getVal();
+}
+
+// Real accessors
+
+std::string
+QPDFObjectHandle::getRealValue()
+{
+    assertType("Real", isReal());
+    return dynamic_cast<QPDF_Real*>(obj.getPointer())->getVal();
+}
+
+// Name acessors
+
+std::string
+QPDFObjectHandle::getName()
+{
+    assertType("Name", isName());
+    return dynamic_cast<QPDF_Name*>(obj.getPointer())->getName();
+}
+
+// String accessors
+
+std::string
+QPDFObjectHandle::getStringValue()
+{
+    assertType("String", isString());
+    return dynamic_cast<QPDF_String*>(obj.getPointer())->getVal();
+}
+
+std::string
+QPDFObjectHandle::getUTF8Value()
+{
+    assertType("String", isString());
+    return dynamic_cast<QPDF_String*>(obj.getPointer())->getUTF8Val();
+}
+
+// Array acessors
+
+int
+QPDFObjectHandle::getArrayNItems()
+{
+    assertType("Array", isArray());
+    return dynamic_cast<QPDF_Array*>(obj.getPointer())->getNItems();
+}
+
+QPDFObjectHandle
+QPDFObjectHandle::getArrayItem(int n)
+{
+    assertType("Array", isArray());
+    return dynamic_cast<QPDF_Array*>(obj.getPointer())->getItem(n);
+}
+
+// Array mutators
+
+void
+QPDFObjectHandle::setArrayItem(int n, QPDFObjectHandle const& item)
+{
+    assertType("Array", isArray());
+    return dynamic_cast<QPDF_Array*>(obj.getPointer())->setItem(n, item);
+}
+
+// Dictionary accesors
+
+bool
+QPDFObjectHandle::hasKey(std::string const& key)
+{
+    assertType("Dictionary", isDictionary());
+    return dynamic_cast<QPDF_Dictionary*>(obj.getPointer())->hasKey(key);
+}
+
+QPDFObjectHandle
+QPDFObjectHandle::getKey(std::string const& key)
+{
+    assertType("Dictionary", isDictionary());
+    return dynamic_cast<QPDF_Dictionary*>(obj.getPointer())->getKey(key);
+}
+
+std::set<std::string>
+QPDFObjectHandle::getKeys()
+{
+    assertType("Dictionary", isDictionary());
+    return dynamic_cast<QPDF_Dictionary*>(obj.getPointer())->getKeys();
+}
+
+// Dictionary mutators
+
+void
+QPDFObjectHandle::replaceKey(std::string const& key,
+			    QPDFObjectHandle const& value)
+{
+    assertType("Dictionary", isDictionary());
+    return dynamic_cast<QPDF_Dictionary*>(
+	obj.getPointer())->replaceKey(key, value);
+}
+
+void
+QPDFObjectHandle::removeKey(std::string const& key)
+{
+    assertType("Dictionary", isDictionary());
+    return dynamic_cast<QPDF_Dictionary*>(obj.getPointer())->removeKey(key);
+}
+
+// Stream accessors
+QPDFObjectHandle
+QPDFObjectHandle::getDict()
+{
+    assertType("Stream", isStream());
+    return dynamic_cast<QPDF_Stream*>(obj.getPointer())->getDict();
+}
+
+PointerHolder<Buffer>
+QPDFObjectHandle::getStreamData()
+{
+    assertType("Stream", isStream());
+    return dynamic_cast<QPDF_Stream*>(obj.getPointer())->getStreamData();
+}
+
+bool
+QPDFObjectHandle::pipeStreamData(Pipeline* p, bool filter,
+				 bool normalize, bool compress)
+{
+    assertType("Stream", isStream());
+    return dynamic_cast<QPDF_Stream*>(obj.getPointer())->pipeStreamData(
+	p, filter, normalize, compress);
+}
+
+int
+QPDFObjectHandle::getObjectID() const
+{
+    return this->objid;
+}
+
+int
+QPDFObjectHandle::getGeneration() const
+{
+    return this->generation;
+}
+
+std::map<std::string, QPDFObjectHandle>
+QPDFObjectHandle::getPageImages()
+{
+    assertPageObject();
+
+    // Note: this code doesn't handle inherited resources.  If this
+    // page dictionary doesn't have a /Resources key or has one whose
+    // value is null or an empty dictionary, you are supposed to walk
+    // up the page tree until you find a /Resources dictionary.  As of
+    // this writing, I don't have any test files that use inherited
+    // resources, and hand-generating one won't be a good test beacuse
+    // any mistakes in my understanding would be present in both the
+    // code and the test file.
+
+    // NOTE: If support of inherited resources (see above comment) is
+    // implemented, edit comment in QPDFObjectHandle.hh for this
+    // function.
+
+    std::map<std::string, QPDFObjectHandle> result;
+    if (this->hasKey("/Resources"))
+    {
+	QPDFObjectHandle resources = this->getKey("/Resources");
+	if (resources.hasKey("/XObject"))
+	{
+	    QPDFObjectHandle xobject = resources.getKey("/XObject");
+	    std::set<std::string> keys = xobject.getKeys();
+	    for (std::set<std::string>::iterator iter = keys.begin();
+		 iter != keys.end(); ++iter)
+	    {
+		std::string key = (*iter);
+		QPDFObjectHandle value = xobject.getKey(key);
+		if (value.isStream())
+		{
+		    QPDFObjectHandle dict = value.getDict();
+		    if (dict.hasKey("/Subtype") &&
+			(dict.getKey("/Subtype").getName() == "/Image") &&
+			(! dict.hasKey("/ImageMask")))
+		    {
+			result[key] = value;
+		    }
+		}
+	    }
+	}
+    }
+
+    return result;
+}
+
+std::vector<QPDFObjectHandle>
+QPDFObjectHandle::getPageContents()
+{
+    assertPageObject();
+
+    std::vector<QPDFObjectHandle> result;
+    QPDFObjectHandle contents = this->getKey("/Contents");
+    if (contents.isArray())
+    {
+	int n_items = contents.getArrayNItems();
+	for (int i = 0; i < n_items; ++i)
+	{
+	    QPDFObjectHandle item = contents.getArrayItem(i);
+	    if (item.isStream())
+	    {
+		result.push_back(item);
+	    }
+	    else
+	    {
+		throw QEXC::General("unknown item type while inspecting "
+				    "element of /Contents array in page "
+				    "dictionary");
+	    }
+	}
+    }
+    else if (contents.isStream())
+    {
+	result.push_back(contents);
+    }
+    else
+    {
+	throw QEXC::General("unknown object type inspecting /Contents "
+			    "key in page dictionary");
+    }
+
+    return result;
+}
+
+std::string
+QPDFObjectHandle::unparse()
+{
+    std::string result;
+    if (this->isIndirect())
+    {
+	result = QUtil::int_to_string(this->objid) + " " +
+	    QUtil::int_to_string(this->generation) + " R";
+    }
+    else
+    {
+	result = unparseResolved();
+    }
+    return result;
+}
+
+std::string
+QPDFObjectHandle::unparseResolved()
+{
+    dereference();
+    return this->obj.getPointer()->unparse();
+}
+
+QPDFObjectHandle
+QPDFObjectHandle::newIndirect(QPDF* qpdf, int objid, int generation)
+{
+    return QPDFObjectHandle(qpdf, objid, generation);
+}
+
+QPDFObjectHandle
+QPDFObjectHandle::newBool(bool value)
+{
+    return QPDFObjectHandle(new QPDF_Bool(value));
+}
+
+QPDFObjectHandle
+QPDFObjectHandle::newNull()
+{
+    return QPDFObjectHandle(new QPDF_Null());
+}
+
+QPDFObjectHandle
+QPDFObjectHandle::newInteger(int value)
+{
+    return QPDFObjectHandle(new QPDF_Integer(value));
+}
+
+QPDFObjectHandle
+QPDFObjectHandle::newReal(std::string const& value)
+{
+    return QPDFObjectHandle(new QPDF_Real(value));
+}
+
+QPDFObjectHandle
+QPDFObjectHandle::newName(std::string const& name)
+{
+    return QPDFObjectHandle(new QPDF_Name(name));
+}
+
+QPDFObjectHandle
+QPDFObjectHandle::newString(std::string const& str)
+{
+    return QPDFObjectHandle(new QPDF_String(str));
+}
+
+QPDFObjectHandle
+QPDFObjectHandle::newArray(std::vector<QPDFObjectHandle> const& items)
+{
+    return QPDFObjectHandle(new QPDF_Array(items));
+}
+
+QPDFObjectHandle
+QPDFObjectHandle::newDictionary(
+    std::map<std::string, QPDFObjectHandle> const& items)
+{
+    return QPDFObjectHandle(new QPDF_Dictionary(items));
+}
+
+
+QPDFObjectHandle
+QPDFObjectHandle::newStream(QPDF* qpdf, int objid, int generation,
+			    QPDFObjectHandle stream_dict,
+			    off_t offset, int length)
+{
+    return QPDFObjectHandle(new QPDF_Stream(
+				qpdf, objid, generation,
+				stream_dict, offset, length));
+}
+
+void
+QPDFObjectHandle::makeDirectInternal(std::set<int>& visited)
+{
+    assertInitialized();
+
+    if (isStream())
+    {
+	QTC::TC("qpdf", "QPDFObjectHandle ERR clone stream");
+	throw QEXC::General("attempt to make a stream into a direct object");
+    }
+
+    int cur_objid = this->objid;
+    if (cur_objid != 0)
+    {
+	if (visited.count(cur_objid))
+	{
+	    QTC::TC("qpdf", "QPDFObjectHandle makeDirect loop");
+	    throw QEXC::General("loop detected while converting object from "
+				"indirect to direct");
+	}
+	visited.insert(cur_objid);
+    }
+
+    dereference();
+    this->objid = 0;
+    this->generation = 0;
+
+    QPDFObject* new_obj = 0;
+
+    if (isBool())
+    {
+	QTC::TC("qpdf", "QPDFObjectHandle clone bool");
+	new_obj = new QPDF_Bool(getBoolValue());
+    }
+    else if (isNull())
+    {
+	QTC::TC("qpdf", "QPDFObjectHandle clone null");
+	new_obj = new QPDF_Null();
+    }
+    else if (isInteger())
+    {
+	QTC::TC("qpdf", "QPDFObjectHandle clone integer");
+	new_obj = new QPDF_Integer(getIntValue());
+    }
+    else if (isReal())
+    {
+	QTC::TC("qpdf", "QPDFObjectHandle clone real");
+	new_obj = new QPDF_Real(getRealValue());
+    }
+    else if (isName())
+    {
+	QTC::TC("qpdf", "QPDFObjectHandle clone name");
+	new_obj = new QPDF_Name(getName());
+    }
+    else if (isString())
+    {
+	QTC::TC("qpdf", "QPDFObjectHandle clone string");
+	new_obj = new QPDF_String(getStringValue());
+    }
+    else if (isArray())
+    {
+	QTC::TC("qpdf", "QPDFObjectHandle clone array");
+	std::vector<QPDFObjectHandle> items;
+	int n = getArrayNItems();
+	for (int i = 0; i < n; ++i)
+	{
+	    items.push_back(getArrayItem(i));
+	    items.back().makeDirectInternal(visited);
+	}
+	new_obj = new QPDF_Array(items);
+    }
+    else if (isDictionary())
+    {
+	QTC::TC("qpdf", "QPDFObjectHandle clone dictionary");
+	std::set<std::string> keys = getKeys();
+	std::map<std::string, QPDFObjectHandle> items;
+	for (std::set<std::string>::iterator iter = keys.begin();
+	     iter != keys.end(); ++iter)
+	{
+	    items[*iter] = getKey(*iter);
+	    items[*iter].makeDirectInternal(visited);
+	}
+	new_obj = new QPDF_Dictionary(items);
+    }
+    else
+    {
+	throw QEXC::Internal("QPDFObjectHandle::makeIndirect: "
+			     "unknown object type");
+    }
+
+    this->obj = new_obj;
+
+    if (cur_objid)
+    {
+	visited.erase(cur_objid);
+    }
+}
+
+void
+QPDFObjectHandle::makeDirect()
+{
+    std::set<int> visited;
+    makeDirectInternal(visited);
+}
+
+void
+QPDFObjectHandle::assertInitialized() const
+{
+    if (! this->initialized)
+    {
+	throw QEXC::Internal("operation attempted on uninitialized "
+			     "QPDFObjectHandle");
+    }
+}
+
+void
+QPDFObjectHandle::assertType(char const* type_name, bool istype)
+{
+    if (! istype)
+    {
+	throw QEXC::Internal(std::string("operation for ") + type_name +
+			     " object attempted on object of wrong type");
+    }
+}
+
+void
+QPDFObjectHandle::assertPageObject()
+{
+    if (! (this->isDictionary() && this->hasKey("/Type") &&
+	   (this->getKey("/Type").getName() == "/Page")))
+    {
+	throw QEXC::Internal("page operation called on non-Page object");
+    }
+}
+
+void
+QPDFObjectHandle::dereference()
+{
+    if (this->obj.getPointer() == 0)
+    {
+	this->obj = QPDF::Resolver::resolve(
+	    this->qpdf, this->objid, this->generation);
+	if (this->obj.getPointer() == 0)
+	{
+	    QTC::TC("qpdf", "QPDFObjectHandle indirect to unknown");
+	    this->obj = new QPDF_Null();
+	}
+    }
+}
diff --git a/libqpdf/QPDFTokenizer.cc b/libqpdf/QPDFTokenizer.cc
new file mode 100644
index 00000000..4eed6f16
--- /dev/null
+++ b/libqpdf/QPDFTokenizer.cc
@@ -0,0 +1,458 @@
+
+#include <qpdf/QPDFTokenizer.hh>
+
+// DO NOT USE ctype -- it is locale dependent for some things, and
+// it's not worth the risk of including it in case it may accidentally
+// be used.
+
+#include <qpdf/PCRE.hh>
+#include <qpdf/QEXC.hh>
+#include <qpdf/QTC.hh>
+
+// See note above about ctype.
+static bool is_hex_digit(char ch)
+{
+    return (strchr("0123456789abcdefABCDEF", ch) != 0);
+}
+
+QPDFTokenizer::QPDFTokenizer() :
+    pound_special_in_name(true)
+{
+    reset();
+}
+
+void
+QPDFTokenizer::allowPoundAnywhereInName()
+{
+    QTC::TC("qpdf", "QPDFTokenizer allow pound anywhere in name");
+    this->pound_special_in_name = false;
+}
+
+void
+QPDFTokenizer::reset()
+{
+    state = st_top;
+    type = tt_bad;
+    val = "";
+    raw_val = "";
+    error_message = "";
+    unread_char = false;
+    char_to_unread = '\0';
+    string_depth = 0;
+    string_ignoring_newline = false;
+    last_char_was_bs = false;
+}
+
+void
+QPDFTokenizer::presentCharacter(char ch)
+{
+    static PCRE num_re("^[\\+\\-]?(?:\\.\\d+|\\d+(?:\\.\\d+)?)$");
+
+    if (state == st_token_ready)
+    {
+	throw QEXC::Internal("QPDF tokenizer presented character "
+			     "while token is waiting");
+    }
+
+    char orig_ch = ch;
+
+    // State machine is implemented such that some characters may be
+    // handled more than once.  This happens whenever you have to use
+    // the character that caused a state change in the new state.
+
+    bool handled = true;
+    if (state == st_top)
+    {
+	// Note: we specifically do not use ctype here.  It is
+	// locale-dependent.
+	if (strchr(" \t\n\v\f\r", ch))
+	{
+	    // ignore
+	}
+	else if (ch == '%')
+	{
+	    // Discard comments
+	    state = st_in_comment;
+	}
+	else if (ch == '(')
+	{
+	    string_depth = 1;
+	    string_ignoring_newline = false;
+	    memset(bs_num_register, '\0', sizeof(bs_num_register));
+	    last_char_was_bs = false;
+	    state = st_in_string;
+	}
+	else if (ch == '<')
+	{
+	    state = st_lt;
+	}
+	else if (ch == '>')
+	{
+	    state = st_gt;
+	}
+	else
+	{
+	    val += ch;
+	    if (ch == ')')
+	    {
+		type = tt_bad;
+		QTC::TC("qpdf", "QPDF_Tokenizer bad )");
+		error_message = "unexpected )";
+		state = st_token_ready;
+	    }
+	    else if (ch == '[')
+	    {
+		type = tt_array_open;
+		state = st_token_ready;
+	    }
+	    else if (ch == ']')
+	    {
+		type = tt_array_close;
+		state = st_token_ready;
+	    }
+	    else if (ch == '{')
+	    {
+		type = tt_brace_open;
+		state = st_token_ready;
+	    }
+	    else if (ch == '}')
+	    {
+		type = tt_brace_close;
+		state = st_token_ready;
+	    }
+	    else
+	    {
+		state = st_literal;
+	    }
+	}
+    }
+    else if (state == st_in_comment)
+    {
+	if ((ch == '\r') || (ch == '\n'))
+	{
+	    state = st_top;
+	}
+    }
+    else if (state == st_lt)
+    {
+	if (ch == '<')
+	{
+	    val = "<<";
+	    type = tt_dict_open;
+	    state = st_token_ready;
+	}
+	else
+	{
+	    handled = false;
+	    state = st_in_hexstring;
+	}
+    }
+    else if (state == st_gt)
+    {
+	if (ch == '>')
+	{
+	    val = ">>";
+	    type = tt_dict_close;
+	    state = st_token_ready;
+	}
+	else
+	{
+	    val = ">";
+	    type = tt_bad;
+	    QTC::TC("qpdf", "QPDF_Tokenizer bad >");
+	    error_message = "unexpected >";
+	    unread_char = true;
+	    char_to_unread = ch;
+	    state = st_token_ready;
+	}
+    }
+    else if (state == st_in_string)
+    {
+	if (string_ignoring_newline && (! ((ch == '\r') || (ch == '\n'))))
+	{
+	    string_ignoring_newline = false;
+	}
+
+	unsigned int bs_num_count = strlen(bs_num_register);
+	bool ch_is_octal = ((ch >= '0') && (ch <= '7'));
+	if ((bs_num_count == 3) || ((bs_num_count > 0) && (! ch_is_octal)))
+	{
+	    // We've accumulated \ddd.  PDF Spec says to ignore
+	    // high-order overflow.
+	    val += (char) strtol(bs_num_register, 0, 8);
+	    memset(bs_num_register, '\0', sizeof(bs_num_register));
+	    bs_num_count = 0;
+	}
+
+	if (string_ignoring_newline && ((ch == '\r') || (ch == '\n')))
+	{
+	    // ignore
+	}
+	else if (ch_is_octal && (last_char_was_bs || (bs_num_count > 0)))
+	{
+	    bs_num_register[bs_num_count++] = ch;
+	}
+	else if (last_char_was_bs)
+	{
+	    switch (ch)
+	    {
+	      case 'n':
+		val += '\n';
+		break;
+
+	      case 'r':
+		val += '\r';
+		break;
+
+	      case 't':
+		val += '\t';
+		break;
+
+	      case 'b':
+		val += '\b';
+		break;
+
+	      case 'f':
+		val += '\f';
+		break;
+
+	      case '\r':
+	      case '\n':
+		string_ignoring_newline = true;
+		break;
+
+	      default:
+		// PDF spec says backslash is ignored before anything else
+		val += ch;
+		break;
+	    }
+	}
+	else if (ch == '\\')
+	{
+	    // last_char_was_bs is set/cleared below as appropriate
+	    if (bs_num_count)
+	    {
+		throw QEXC::Internal("QPDFTokenizer: bs_num_count != 0 "
+				     "when ch == '\\'");
+	    }
+	}
+	else if (ch == '(')
+	{
+	    val += ch;
+	    ++string_depth;
+	}
+	else if ((ch == ')') && (--string_depth == 0))
+	{
+	    type = tt_string;
+	    state = st_token_ready;
+	}
+	else
+	{
+	    val += ch;
+	}
+
+	last_char_was_bs = ((! last_char_was_bs) && (ch == '\\'));
+    }
+    else if (state == st_literal)
+    {
+	if (strchr(" \t\n\v\f\r()<>[]{}/%", ch) != 0)
+	{
+	    // A C-loacle whitespace character or delimiter terminates
+	    // token.  It is important to unread the whitespace
+	    // character even though it is ignored since it may be the
+	    // newline after a stream keyword.  Removing it here could
+	    // make the stream-reading code break on some files,
+	    // though not on any files in the test suite as of this
+	    // writing.
+
+	    type = tt_word;
+	    unread_char = true;
+	    char_to_unread = ch;
+	    state = st_token_ready;
+	}
+	else
+	{
+	    val += ch;
+	}
+    }
+    else
+    {
+	handled = false;
+    }
+
+
+    if (handled)
+    {
+	// okay
+    }
+    else if (state == st_in_hexstring)
+    {
+	if (ch == '>')
+	{
+	    type = tt_string;
+	    state = st_token_ready;
+	    if (val.length() % 2)
+	    {
+		// PDF spec says odd hexstrings have implicit
+		// trailing 0.
+		val += '0';
+	    }
+	    char num[3];
+	    num[2] = '\0';
+	    std::string nval;
+	    for (unsigned int i = 0; i < val.length(); i += 2)
+	    {
+		num[0] = val[i];
+		num[1] = val[i+1];
+		char nch = (char)(strtol(num, 0, 16));
+		nval += nch;
+	    }
+	    val = nval;
+	}
+	else if (is_hex_digit(ch))
+	{
+	    val += ch;
+	}
+	else if (strchr(" \t\n\v\f\r", ch))
+	{
+	    // ignore
+	}
+	else
+	{
+	    type = tt_bad;
+	    QTC::TC("qpdf", "QPDF_Tokenizer bad (");
+	    error_message = std::string("invalid character (") +
+		ch + ") in hexstring";
+	    state = st_token_ready;
+	}
+    }
+    else
+    {
+	throw QEXC::Internal("invalid state while reading token");
+    }
+
+    if ((state == st_token_ready) && (type == tt_word))
+    {
+	if ((val.length() > 0) && (val[0] == '/'))
+	{
+	    type = tt_name;
+	    // Deal with # in name token.  Note: '/' by itself is a
+	    // valid name, so don't strip leading /.  That way we
+	    // don't have to deal with the empty string as a name.
+	    std::string nval = "/";
+	    char const* valstr = val.c_str() + 1;
+	    for (char const* p = valstr; *p; ++p)
+	    {
+		if ((*p == '#') && this->pound_special_in_name)
+		{
+		    if (p[1] && p[2] &&
+			is_hex_digit(p[1]) && is_hex_digit(p[2]))
+		    {
+			char num[3];
+			num[0] = p[1];
+			num[1] = p[2];
+			num[2] = '\0';
+			char ch = (char)(strtol(num, 0, 16));
+			if (ch == '\0')
+			{
+			    type = tt_bad;
+			    QTC::TC("qpdf", "QPDF_Tokenizer null in name");
+			    error_message =
+				"null character not allowed in name token";
+			    nval += "#00";
+			}
+			else
+			{
+			    nval += ch;
+			}
+			p += 2;
+		    }
+		    else
+		    {
+			QTC::TC("qpdf", "QPDF_Tokenizer bad name");
+			type = tt_bad;
+			error_message = "invalid name token";
+			nval += *p;
+		    }
+		}
+		else
+		{
+		    nval += *p;
+		}
+	    }
+	    val = nval;
+	}
+	else if (num_re.match(val.c_str()))
+	{
+	    if (val.find('.') != std::string::npos)
+	    {
+		type = tt_real;
+	    }
+	    else
+	    {
+		type = tt_integer;
+	    }
+	}
+	else if ((val == "true") || (val == "false"))
+	{
+	    type = tt_bool;
+	}
+	else if (val == "null")
+	{
+	    type = tt_null;
+	}
+	else
+	{
+	    // I don't really know what it is, so leave it as tt_word.
+	    // Lots of cases ($, #, etc.) other than actual words fall
+	    // into this category, but that's okay at least for now.
+	    type = tt_word;
+	}
+    }
+
+    if (! (betweenTokens() || ((state == st_token_ready) && unread_char)))
+    {
+	this->raw_val += orig_ch;
+    }
+}
+
+void
+QPDFTokenizer::presentEOF()
+{
+    switch (state)
+    {
+      case st_token_ready:
+      case st_top:
+	// okay
+	break;
+
+      case st_in_comment:
+	state = st_top;
+	break;
+
+      default:
+	type = tt_bad;
+	error_message = "EOF while reading token";
+	state = st_token_ready;
+    }
+}
+
+bool
+QPDFTokenizer::getToken(Token& token, bool& unread_char, char& ch)
+{
+    bool ready = (this->state == st_token_ready);
+    unread_char = this->unread_char;
+    ch = this->char_to_unread;
+    if (ready)
+    {
+	token = Token(type, val, raw_val, error_message);
+	reset();
+    }
+    return ready;
+}
+
+bool
+QPDFTokenizer::betweenTokens()
+{
+    return ((state == st_top) || (state == st_in_comment));
+}
diff --git a/libqpdf/QPDFWriter.cc b/libqpdf/QPDFWriter.cc
new file mode 100644
index 00000000..0a611eb9
--- /dev/null
+++ b/libqpdf/QPDFWriter.cc
@@ -0,0 +1,2021 @@
+
+#include <qpdf/QPDFWriter.hh>
+
+#include <assert.h>
+#include <qpdf/Pl_StdioFile.hh>
+#include <qpdf/Pl_Count.hh>
+#include <qpdf/Pl_Discard.hh>
+#include <qpdf/Pl_Buffer.hh>
+#include <qpdf/Pl_RC4.hh>
+#include <qpdf/Pl_Flate.hh>
+#include <qpdf/Pl_PNGFilter.hh>
+#include <qpdf/QUtil.hh>
+#include <qpdf/MD5.hh>
+#include <qpdf/RC4.hh>
+#include <qpdf/QTC.hh>
+
+#include <qpdf/QPDF.hh>
+#include <qpdf/QPDFObjectHandle.hh>
+#include <qpdf/QPDF_Name.hh>
+#include <qpdf/QPDF_String.hh>
+
+QPDFWriter::QPDFWriter(QPDF& pdf, char const* filename) :
+    pdf(pdf),
+    filename(filename),
+    file(0),
+    close_file(false),
+    normalize_content_set(false),
+    normalize_content(false),
+    stream_data_mode_set(false),
+    stream_data_mode(s_compress),
+    qdf_mode(false),
+    static_id(false),
+    direct_stream_lengths(true),
+    encrypted(false),
+    preserve_encryption(true),
+    linearized(false),
+    object_stream_mode(o_preserve),
+    encryption_dict_objid(0),
+    next_objid(1),
+    cur_stream_length_id(0),
+    cur_stream_length(0),
+    added_newline(false),
+    max_ostream_index(0)
+{
+    if (filename == 0)
+    {
+	this->filename = "standard output";
+	QTC::TC("qpdf", "QPDFWriter write to stdout");
+	file = stdout;
+    }
+    else
+    {
+	QTC::TC("qpdf", "QPDFWriter write to file");
+	file = QUtil::fopen_wrapper(std::string("open ") + filename,
+				    fopen(filename, "wb+"));
+	close_file = true;
+    }
+    Pipeline* p = new Pl_StdioFile("qdf output", file);
+    to_delete.push_back(p);
+    pipeline = new Pl_Count("qdf count", p);
+    to_delete.push_back(pipeline);
+    pipeline_stack.push_back(pipeline);
+}
+
+QPDFWriter::~QPDFWriter()
+{
+    if (file)
+    {
+	fclose(file);
+    }
+}
+
+void
+QPDFWriter::setObjectStreamMode(object_stream_e mode)
+{
+    this->object_stream_mode = mode;
+}
+
+void
+QPDFWriter::setStreamDataMode(stream_data_e mode)
+{
+    this->stream_data_mode_set = true;
+    this->stream_data_mode = mode;
+}
+
+void
+QPDFWriter::setContentNormalization(bool val)
+{
+    this->normalize_content_set = true;
+    this->normalize_content = val;
+}
+
+void
+QPDFWriter::setQDFMode(bool val)
+{
+    this->qdf_mode = val;
+}
+
+void
+QPDFWriter::setStaticID(bool val)
+{
+    this->static_id = val;
+}
+
+void
+QPDFWriter::setPreserveEncryption(bool val)
+{
+    this->preserve_encryption = val;
+}
+
+void
+QPDFWriter::setLinearization(bool val)
+{
+    this->linearized = val;
+}
+
+void
+QPDFWriter::setR2EncryptionParameters(
+    char const* user_password, char const* owner_password,
+    bool allow_print, bool allow_modify,
+    bool allow_extract, bool allow_annotate)
+{
+    std::set<int> clear;
+    if (! allow_print)
+    {
+	clear.insert(3);
+    }
+    if (! allow_modify)
+    {
+	clear.insert(4);
+    }
+    if (! allow_extract)
+    {
+	clear.insert(5);
+    }
+    if (! allow_annotate)
+    {
+	clear.insert(6);
+    }
+
+    this->min_pdf_version = "1.3";
+    setEncryptionParameters(user_password, owner_password, 1, 2, 5, clear);
+}
+
+void
+QPDFWriter::setR3EncryptionParameters(
+    char const* user_password, char const* owner_password,
+    bool allow_accessibility, bool allow_extract,
+    r3_print_e print, r3_modify_e modify)
+{
+    // Acrobat 5 security options:
+
+    // Checkboxes:
+    //   Enable Content Access for the Visually Impaired
+    //   Allow Content Copying and Extraction
+
+    // Allowed changes menu:
+    //   None
+    //   Only Document Assembly
+    //   Only Form Field Fill-in or Signing
+    //   Comment AUthoring, Form Field Fill-in or Signing
+    //   General Editing, Comment and Form Field Authoring
+
+    // Allowed printing menu:
+    //   None
+    //   Low Resolution
+    //   Full printing
+
+    std::set<int> clear;
+    if (! allow_accessibility)
+    {
+	clear.insert(10);
+    }
+    if (! allow_extract)
+    {
+	clear.insert(5);
+    }
+
+    // Note: these switch statements all "fall through" (no break
+    // statements).  Each option clears successively more access bits.
+    switch (print)
+    {
+      case r3p_none:
+	clear.insert(3);	// any printing
+
+      case r3p_low:
+	clear.insert(12);	// high resolution printing
+
+      case r3p_full:
+	break;
+
+	// no default so gcc warns for missing cases
+    }
+
+    switch (modify)
+    {
+      case r3m_none:
+	clear.insert(11);	// document essembly
+
+      case r3m_assembly:
+	clear.insert(9);	// filling in form fields
+
+      case r3m_form:
+	clear.insert(6);	// modify annotations, fill in form fields
+
+      case r3m_annotate:
+	clear.insert(4);	// other modifications
+
+      case r3m_all:
+	break;
+
+	// no default so gcc warns for missing cases
+    }
+
+    this->min_pdf_version = "1.4";
+    setEncryptionParameters(user_password, owner_password, 2, 3, 16, clear);
+}
+
+void
+QPDFWriter::setEncryptionParameters(
+    char const* user_password, char const* owner_password,
+    int V, int R, int key_len, std::set<int>& bits_to_clear)
+{
+    // PDF specification refers to bits with the low bit numbered 1.
+    // We have to convert this into a bit field.
+
+    // Specification always requirse bits 1 and 2 to be cleared.
+    bits_to_clear.insert(1);
+    bits_to_clear.insert(2);
+
+    unsigned long P = 0;
+    // Create the complement of P, then invert.
+    for (std::set<int>::iterator iter = bits_to_clear.begin();
+	 iter != bits_to_clear.end(); ++iter)
+    {
+	P |= (1 << (*iter) - 1);
+    }
+    P = ~P;
+
+    generateID();
+    std::string O;
+    std::string U;
+    QPDF::compute_encryption_O_U(
+	user_password, owner_password, V, R, key_len, P, this->id1, O, U);
+    setEncryptionParametersInternal(
+	V, R, key_len, P, O, U, this->id1, user_password);
+}
+
+void
+QPDFWriter::copyEncryptionParameters()
+{
+    generateID();
+    QPDFObjectHandle trailer = this->pdf.getTrailer();
+    if (trailer.hasKey("/Encrypt"))
+    {
+	QPDFObjectHandle encrypt = trailer.getKey("/Encrypt");
+	int V = encrypt.getKey("/V").getIntValue();
+	int key_len = 5;
+	if (V > 1)
+	{
+	    key_len = encrypt.getKey("/Length").getIntValue() / 8;
+	}
+	setEncryptionParametersInternal(
+	    V,
+	    encrypt.getKey("/R").getIntValue(),
+    	    key_len,
+	    encrypt.getKey("/P").getIntValue(),
+	    encrypt.getKey("/O").getStringValue(),
+	    encrypt.getKey("/U").getStringValue(),
+	    this->id1,		// this->id1 == the other file's id1
+	    pdf.getUserPassword());
+    }
+}
+
+void
+QPDFWriter::setEncryptionParametersInternal(
+    int V, int R, int key_len, long P,
+    std::string const& O, std::string const& U,
+    std::string const& id1, std::string const& user_password)
+{
+    encryption_dictionary["/Filter"] = "/Standard";
+    encryption_dictionary["/V"] = QUtil::int_to_string(V);
+    encryption_dictionary["/Length"] = QUtil::int_to_string(key_len * 8);
+    encryption_dictionary["/R"] = QUtil::int_to_string(R);
+    encryption_dictionary["/P"] = QUtil::int_to_string(P);
+    encryption_dictionary["/O"] = QPDF_String(O).unparse(true);
+    encryption_dictionary["/U"] = QPDF_String(U).unparse(true);
+    this->encrypted = true;
+    QPDF::EncryptionData encryption_data(V, R, key_len, P, O, U, this->id1);
+    this->encryption_key = QPDF::compute_encryption_key(
+	user_password, encryption_data);
+}
+
+void
+QPDFWriter::setDataKey(int objid)
+{
+    this->cur_data_key = QPDF::compute_data_key(
+	this->encryption_key, objid, 0);
+}
+
+int
+QPDFWriter::bytesNeeded(unsigned long n)
+{
+    int bytes = 0;
+    while (n)
+    {
+	++bytes;
+	n >>= 8;
+    }
+    return bytes;
+}
+
+void
+QPDFWriter::writeBinary(unsigned long val, unsigned int bytes)
+{
+    assert(bytes <= sizeof(unsigned long));
+    unsigned char data[sizeof(unsigned long)];
+    for (unsigned int i = 0; i < bytes; ++i)
+    {
+	data[bytes - i - 1] = (unsigned char)(val & 0xff);
+	val >>= 8;
+    }
+    this->pipeline->write(data, bytes);
+}
+
+void
+QPDFWriter::writeString(std::string const& str)
+{
+    this->pipeline->write((unsigned char*)str.c_str(), str.length());
+}
+
+void
+QPDFWriter::writeBuffer(PointerHolder<Buffer>& b)
+{
+    this->pipeline->write(b.getPointer()->getBuffer(),
+			  b.getPointer()->getSize());
+}
+
+void
+QPDFWriter::writeStringQDF(std::string const& str)
+{
+    if (this->qdf_mode)
+    {
+	writeString(str);
+    }
+}
+
+void
+QPDFWriter::writeStringNoQDF(std::string const& str)
+{
+    if (! this->qdf_mode)
+    {
+	writeString(str);
+    }
+}
+
+Pipeline*
+QPDFWriter::pushPipeline(Pipeline* p)
+{
+    assert(dynamic_cast<Pl_Count*>(p) == 0);
+    this->pipeline_stack.push_back(p);
+    return p;
+}
+
+void
+QPDFWriter::activatePipelineStack()
+{
+    Pl_Count* c = new Pl_Count("count", this->pipeline_stack.back());
+    this->pipeline_stack.push_back(c);
+    this->pipeline = c;
+}
+
+void
+QPDFWriter::popPipelineStack(PointerHolder<Buffer>* bp)
+{
+    assert(this->pipeline_stack.size() >= 2);
+    this->pipeline->finish();
+    assert(dynamic_cast<Pl_Count*>(this->pipeline_stack.back()) ==
+	   this->pipeline);
+    delete this->pipeline_stack.back();
+    this->pipeline_stack.pop_back();
+    while (dynamic_cast<Pl_Count*>(this->pipeline_stack.back()) == 0)
+    {
+	Pipeline* p = this->pipeline_stack.back();
+	this->pipeline_stack.pop_back();
+	Pl_Buffer* buf = dynamic_cast<Pl_Buffer*>(p);
+	if (bp && buf)
+	{
+	    *bp = buf->getBuffer();
+	}
+	delete p;
+    }
+    this->pipeline = dynamic_cast<Pl_Count*>(this->pipeline_stack.back());
+}
+
+void
+QPDFWriter::pushEncryptionFilter()
+{
+    if (this->encrypted && (! this->cur_data_key.empty()))
+    {
+	Pipeline* p =
+	    new Pl_RC4("stream encryption", this->pipeline,
+		       (unsigned char*) this->cur_data_key.c_str(),
+		       this->cur_data_key.length());
+	pushPipeline(p);
+    }
+    // Must call this unconditionally so we can call popPipelineStack
+    // to balance pushEncryptionFilter().
+    activatePipelineStack();
+}
+
+void
+QPDFWriter::pushDiscardFilter()
+{
+    pushPipeline(new Pl_Discard());
+    activatePipelineStack();
+}
+
+int
+QPDFWriter::openObject(int objid)
+{
+    if (objid == 0)
+    {
+	objid = this->next_objid++;
+    }
+    this->xref[objid] = QPDFXRefEntry(1, pipeline->getCount(), 0);
+    writeString(QUtil::int_to_string(objid));
+    writeString(" 0 obj\n");
+    return objid;
+}
+
+void
+QPDFWriter::closeObject(int objid)
+{
+    // Write a newline before endobj as it makes the file easier to
+    // repair.
+    writeString("\nendobj\n");
+    writeStringQDF("\n");
+    this->lengths[objid] = pipeline->getCount() - this->xref[objid].getOffset();
+}
+
+void
+QPDFWriter::assignCompressedObjectNumbers(int objid)
+{
+    if (this->object_stream_to_objects.count(objid) == 0)
+    {
+	return;
+    }
+
+    // Reserve numbers for the objects that belong to this object
+    // stream.
+    for (std::set<int>::iterator iter =
+	     this->object_stream_to_objects[objid].begin();
+	 iter != this->object_stream_to_objects[objid].end();
+	 ++iter)
+    {
+	obj_renumber[*iter] = next_objid++;
+    }
+}
+
+void
+QPDFWriter::enqueueObject(QPDFObjectHandle object)
+{
+    if (object.isIndirect())
+    {
+	if (object.isNull())
+	{
+	    // This is a place-holder object for an object stream
+	}
+	else if (object.isScalar())
+	{
+	    throw QEXC::Internal(
+		"QPDFWriter::enqueueObject: indirect scalar: " +
+		std::string(this->filename) + " " +
+		QUtil::int_to_string(object.getObjectID()) + " " +
+		QUtil::int_to_string(object.getGeneration()));
+	}
+	int objid = object.getObjectID();
+
+	if (obj_renumber.count(objid) == 0)
+	{
+	    if (this->object_to_object_stream.count(objid))
+	    {
+		// This is in an object stream.  Don't process it
+		// here.  Instead, enqueue the object stream.
+		int stream_id = this->object_to_object_stream[objid];
+		enqueueObject(this->pdf.getObjectByID(stream_id, 0));
+	    }
+	    else
+	    {
+		object_queue.push_back(object);
+		obj_renumber[objid] = next_objid++;
+
+		if (this->object_stream_to_objects.count(objid))
+		{
+		    // For linearized files, uncompressed objects go
+		    // at end, and we take care of assigning numbers
+		    // to them elsewhere.
+		    if (! this->linearized)
+		    {
+			assignCompressedObjectNumbers(objid);
+		    }
+		}
+		else if ((! this->direct_stream_lengths) && object.isStream())
+		{
+		    // reserve next object ID for length
+		    ++next_objid;
+		}
+	    }
+	}
+    }
+    else if (object.isArray())
+    {
+	int n = object.getArrayNItems();
+	for (int i = 0; i < n; ++i)
+	{
+	    if (! this->linearized)
+	    {
+		enqueueObject(object.getArrayItem(i));
+	    }
+	}
+    }
+    else if (object.isDictionary())
+    {
+	std::set<std::string> keys = object.getKeys();
+	for (std::set<std::string>::iterator iter = keys.begin();
+	     iter != keys.end(); ++iter)
+	{
+	    if (! this->linearized)
+	    {
+		enqueueObject(object.getKey(*iter));
+	    }
+	}
+    }
+    else
+    {
+	// ignore
+    }
+}
+
+void
+QPDFWriter::unparseChild(QPDFObjectHandle child, int level, int flags)
+{
+    if (! this->linearized)
+    {
+	enqueueObject(child);
+    }
+    if (child.isIndirect())
+    {
+	if (child.isScalar())
+	{
+	    throw QEXC::Internal(
+		"QPDFWriter::unparseChild: indirect scalar: " +
+		QUtil::int_to_string(child.getObjectID()) + " " +
+		QUtil::int_to_string(child.getGeneration()));
+	}
+	int old_id = child.getObjectID();
+	int new_id = obj_renumber[old_id];
+	writeString(QUtil::int_to_string(new_id));
+	writeString(" 0 R");
+    }
+    else
+    {
+	unparseObject(child, level, flags);
+    }
+}
+
+void
+QPDFWriter::writeTrailer(trailer_e which, int size, bool xref_stream, int prev)
+{
+    QPDFObjectHandle trailer = pdf.getTrailer();
+    if (! xref_stream)
+    {
+	writeString("trailer <<");
+    }
+    writeStringQDF("\n");
+    if (which == t_lin_second)
+    {
+	writeString(" /Size ");
+	writeString(QUtil::int_to_string(size));
+    }
+    else
+    {
+	std::set<std::string> keys = trailer.getKeys();
+	for (std::set<std::string>::iterator iter = keys.begin();
+	     iter != keys.end(); ++iter)
+	{
+	    std::string const& key = *iter;
+	    writeStringQDF("  ");
+	    writeStringNoQDF(" ");
+	    writeString(QPDF_Name::normalizeName(key));
+	    writeString(" ");
+	    if (key == "/Size")
+	    {
+		writeString(QUtil::int_to_string(size));
+		if (which == t_lin_first)
+		{
+		    writeString(" /Prev ");
+		    int pos = this->pipeline->getCount();
+		    writeString(QUtil::int_to_string(prev));
+		    int nspaces = pos + 11 - this->pipeline->getCount();
+		    assert(nspaces >= 0);
+		    for (int i = 0; i < nspaces; ++i)
+		    {
+			writeString(" ");
+		    }
+		}
+	    }
+	    else
+	    {
+		unparseChild(trailer.getKey(key), 1, 0);
+	    }
+	    writeStringQDF("\n");
+	}
+    }
+
+    // Write ID
+    writeStringQDF(" ");
+    writeString(" /ID [");
+    writeString(QPDF_String(this->id1).unparse(true));
+    writeString(QPDF_String(this->id2).unparse(true));
+    writeString("]");
+
+    if (which != t_lin_second)
+    {
+	// Write reference to encryption dictionary
+	if (this->encrypted)
+	{
+	    writeString(" /Encrypt ");
+	    writeString(QUtil::int_to_string(this->encryption_dict_objid));
+	    writeString(" 0 R");
+	}
+    }
+
+    writeStringQDF("\n");
+    writeStringNoQDF(" ");
+    writeString(">>");
+}
+
+void
+QPDFWriter::unparseObject(QPDFObjectHandle object, int level,
+			  unsigned int flags)
+{
+    unparseObject(object, level, flags, 0, false);
+}
+
+void
+QPDFWriter::unparseObject(QPDFObjectHandle object, int level,
+			  unsigned int flags, int stream_length, bool compress)
+{
+    unsigned int child_flags = flags & ~f_stream;
+
+    std::string indent;
+    for (int i = 0; i < level; ++i)
+    {
+	indent += "  ";
+    }
+
+    if (object.isArray())
+    {
+	// Note: PDF spec 1.4 implementation note 121 states that
+	// Acrobat requires a space after the [ in the /H key of the
+	// linearization parameter dictionary.  We'll do this
+	// unconditionally for all arrays because it looks nicer and
+	// doesn't make the files that much bigger.
+	writeString("[");
+	writeStringQDF("\n");
+	int n = object.getArrayNItems();
+	for (int i = 0; i < n; ++i)
+	{
+	    writeStringQDF(indent);
+	    writeStringQDF("  ");
+	    writeStringNoQDF(" ");
+	    unparseChild(object.getArrayItem(i), level + 1, child_flags);
+	    writeStringQDF("\n");
+	}
+	writeStringQDF(indent);
+	writeStringNoQDF(" ");
+	writeString("]");
+    }
+    else if (object.isDictionary())
+    {
+	writeString("<<");
+	writeStringQDF("\n");
+	std::set<std::string> keys = object.getKeys();
+	for (std::set<std::string>::iterator iter = keys.begin();
+	     iter != keys.end(); ++iter)
+	{
+	    std::string const& key = *iter;
+	    if ((flags & f_filtered) &&
+		((key == "/Filter") ||
+		 (key == "/DecodeParms")))
+	    {
+		continue;
+	    }
+	    if ((flags & f_stream) && (key == "/Length"))
+	    {
+		continue;
+	    }
+	    writeStringQDF(indent);
+	    writeStringQDF("  ");
+	    writeStringNoQDF(" ");
+	    writeString(QPDF_Name::normalizeName(key));
+	    writeString(" ");
+	    unparseChild(object.getKey(key), level + 1, child_flags);
+	    writeStringQDF("\n");
+	}
+
+	if (flags & f_stream)
+	{
+	    writeStringQDF(indent);
+	    writeStringQDF(" ");
+	    writeString(" /Length ");
+
+	    if (this->direct_stream_lengths)
+	    {
+		writeString(QUtil::int_to_string(stream_length));
+	    }
+	    else
+	    {
+		writeString(
+		    QUtil::int_to_string(this->cur_stream_length_id));
+		writeString(" 0 R");
+	    }
+	    writeStringQDF("\n");
+	    if (compress && (flags & f_filtered))
+	    {
+		writeStringQDF(indent);
+		writeStringQDF(" ");
+		writeString(" /Filter /FlateDecode");
+		writeStringQDF("\n");
+	    }
+	}
+
+	writeStringQDF(indent);
+	writeStringNoQDF(" ");
+	writeString(">>");
+    }
+    else if (object.isStream())
+    {
+	// Write stream data to a buffer.
+	int old_id = object.getObjectID();
+	int new_id = obj_renumber[old_id];
+	if (! this->direct_stream_lengths)
+	{
+	    this->cur_stream_length_id = new_id + 1;
+	}
+	QPDFObjectHandle stream_dict = object.getDict();
+
+	bool filter = (this->stream_data_mode != s_preserve);
+	if (this->stream_data_mode == s_compress)
+	{
+	    // Don't filter if the stream is already compressed with
+	    // FlateDecode.  We don't want to make it worse by getting
+	    // rid of a predictor or otherwising messing with it.  We
+	    // should also avoid messing with anything that's
+	    // compressed with a lossy compression scheme, but we
+	    // don't support any of those right now.
+	    QPDFObjectHandle filter_obj = stream_dict.getKey("/Filter");
+	    if (filter_obj.isName() && (filter_obj.getName() == "/FlateDecode"))
+	    {
+		QTC::TC("qpdf", "QPDFWriter not recompressing /FlateDecode");
+		filter = false;
+	    }
+	}
+	bool normalize = false;
+	bool compress = false;
+	if (this->normalize_content && normalized_streams.count(old_id))
+	{
+	    normalize = true;
+	    filter = true;
+	}
+	else if (filter && (this->stream_data_mode == s_compress))
+	{
+	    compress = true;
+	    QTC::TC("qpdf", "QPDFWriter compressing uncompressed stream");
+	}
+
+	flags |= f_stream;
+
+	pushPipeline(new Pl_Buffer("stream data"));
+	activatePipelineStack();
+	bool filtered =
+	    object.pipeStreamData(this->pipeline, filter, normalize, compress);
+	PointerHolder<Buffer> stream_data;
+	popPipelineStack(&stream_data);
+	if (filtered)
+	{
+	    flags |= f_filtered;
+	}
+	else
+	{
+	    compress = false;
+	}
+
+	this->cur_stream_length = stream_data.getPointer()->getSize();
+	unparseObject(stream_dict, 0, flags, this->cur_stream_length, compress);
+	writeString("\nstream\n");
+	pushEncryptionFilter();
+	writeBuffer(stream_data);
+	popPipelineStack();
+
+	if (this->qdf_mode)
+	{
+	    if (this->pipeline->getLastChar() != '\n')
+	    {
+		writeString("\n");
+		this->added_newline = true;
+	    }
+	    else
+	    {
+		this->added_newline = false;
+	    }
+	}
+	writeString("endstream");
+    }
+    else if (object.isString())
+    {
+	std::string val;
+	if (this->encrypted &&
+	    (! (flags & f_in_ostream)) &&
+	    (! this->cur_data_key.empty()))
+	{
+	    val = object.getStringValue();
+	    char* tmp = QUtil::copy_string(val);
+	    unsigned int vlen = val.length();
+	    RC4 rc4((unsigned char const*)this->cur_data_key.c_str(),
+		    this->cur_data_key.length());
+	    rc4.process((unsigned char*)tmp, vlen);
+	    val = QPDF_String(std::string(tmp, vlen)).unparse();
+	    delete [] tmp;
+	}
+	else
+	{
+	    val = object.unparseResolved();
+	}
+	writeString(val);
+    }
+    else
+    {
+	writeString(object.unparseResolved());
+    }
+}
+
+void
+QPDFWriter::writeObjectStreamOffsets(std::vector<int>& offsets,
+				     int first_obj)
+{
+    for (unsigned int i = 0; i < offsets.size(); ++i)
+    {
+	if (i != 0)
+	{
+	    writeStringQDF("\n");
+	    writeStringNoQDF(" ");
+	}
+	writeString(QUtil::int_to_string(i + first_obj));
+	writeString(" ");
+	writeString(QUtil::int_to_string(offsets[i]));
+    }
+    writeString("\n");
+}
+
+void
+QPDFWriter::writeObjectStream(QPDFObjectHandle object)
+{
+    // Note: object might be null if this is a place-holder for an
+    // object stream that we are generating from scratch.
+
+    int old_id = object.getObjectID();
+    int new_id = obj_renumber[old_id];
+
+    std::vector<int> offsets;
+    int first = 0;
+
+    // Generate stream itself.  We have to do this in two passes so we
+    // can calculate offsets in the first pass.
+    PointerHolder<Buffer> stream_buffer;
+    int first_obj = -1;
+    bool compressed = false;
+    for (int pass = 1; pass <= 2; ++pass)
+    {
+	if (pass == 1)
+	{
+	    pushDiscardFilter();
+	}
+	else
+	{
+	    // Adjust offsets to skip over comment before first object
+
+	    first = offsets[0];
+	    for (std::vector<int>::iterator iter = offsets.begin();
+		 iter != offsets.end(); ++iter)
+	    {
+		*iter -= first;
+	    }
+
+	    // Take one pass at writing pairs of numbers so we can get
+	    // their size information
+	    pushDiscardFilter();
+	    writeObjectStreamOffsets(offsets, first_obj);
+	    first += this->pipeline->getCount();
+	    popPipelineStack();
+
+	    // Set up a stream to write the stream data into a buffer.
+	    Pipeline* next = pushPipeline(new Pl_Buffer("object stream"));
+	    if (! ((this->stream_data_mode == s_uncompress) || this->qdf_mode))
+	    {
+		compressed = true;
+		next = pushPipeline(
+		    new Pl_Flate("compress object stream", next,
+				 Pl_Flate::a_deflate));
+	    }
+	    activatePipelineStack();
+	    writeObjectStreamOffsets(offsets, first_obj);
+	}
+
+	int count = 0;
+	for (std::set<int>::iterator iter =
+		 this->object_stream_to_objects[old_id].begin();
+	     iter != this->object_stream_to_objects[old_id].end();
+	     ++iter, ++count)
+	{
+	    int obj = *iter;
+	    int new_obj = this->obj_renumber[obj];
+	    if (first_obj == -1)
+	    {
+		first_obj = new_obj;
+	    }
+	    if (this->qdf_mode)
+	    {
+		writeString("%% Object stream: object " +
+			    QUtil::int_to_string(new_obj) + ", index " +
+			    QUtil::int_to_string(count) + "\n");
+	    }
+	    if (pass == 1)
+	    {
+		offsets.push_back(this->pipeline->getCount());
+	    }
+	    writeObject(this->pdf.getObjectByID(obj, 0), count);
+
+	    this->xref[new_obj] = QPDFXRefEntry(2, new_id, count);
+	}
+
+	// stream_buffer will be initialized only for pass 2
+	popPipelineStack(&stream_buffer);
+    }
+
+    // Write the object
+    openObject(new_id);
+    setDataKey(new_id);
+    writeString("<<");
+    writeStringQDF("\n ");
+    writeString(" /Type /ObjStm");
+    writeStringQDF("\n ");
+    writeString(" /Length " +
+		QUtil::int_to_string(stream_buffer.getPointer()->getSize()));
+    writeStringQDF("\n ");
+    if (compressed)
+    {
+	writeString(" /Filter /FlateDecode");
+    }
+    writeString(" /N " + QUtil::int_to_string(offsets.size()));
+    writeStringQDF("\n ");
+    writeString(" /First " + QUtil::int_to_string(first));
+    if (! object.isNull())
+    {
+	// If the original object has an /Extends key, preserve it.
+	QPDFObjectHandle dict = object.getDict();
+	QPDFObjectHandle extends = dict.getKey("/Extends");
+	if (extends.isIndirect())
+	{
+	    QTC::TC("qpdf", "QPDFWriter copy Extends");
+	    writeStringQDF("\n ");
+	    writeString(" /Extends ");
+	    unparseChild(extends, 1, f_in_ostream);
+	}
+    }
+    writeStringQDF("\n");
+    writeStringNoQDF(" ");
+    writeString(">>\nstream\n");
+    if (this->encrypted)
+    {
+	QTC::TC("qpdf", "QPDFWriter encrypt object stream");
+    }
+    pushEncryptionFilter();
+    writeBuffer(stream_buffer);
+    popPipelineStack();
+    writeString("endstream");
+    this->cur_data_key.clear();
+    closeObject(new_id);
+}
+
+void
+QPDFWriter::writeObject(QPDFObjectHandle object, int object_stream_index)
+{
+    int old_id = object.getObjectID();
+
+    if ((object_stream_index == -1) &&
+	(this->object_stream_to_objects.count(old_id)))
+    {
+	writeObjectStream(object);
+	return;
+    }
+
+    int new_id = obj_renumber[old_id];
+    if (this->qdf_mode)
+    {
+	if (this->page_object_to_seq.count(old_id))
+	{
+	    writeString("%% Page ");
+	    writeString(
+		QUtil::int_to_string(
+		    this->page_object_to_seq[old_id]));
+	    writeString("\n");
+	}
+	if (this->contents_to_page_seq.count(old_id))
+	{
+	    writeString("%% Contents for page ");
+	    writeString(
+		QUtil::int_to_string(
+		    this->contents_to_page_seq[old_id]));
+	    writeString("\n");
+	}
+    }
+    if (object_stream_index == -1)
+    {
+	openObject(new_id);
+	setDataKey(new_id);
+	unparseObject(object, 0, 0);
+	this->cur_data_key.clear();
+	closeObject(new_id);
+    }
+    else
+    {
+	unparseObject(object, 0, f_in_ostream);
+	writeString("\n");
+    }
+
+    if ((! this->direct_stream_lengths) && object.isStream())
+    {
+	if (this->qdf_mode)
+	{
+	    if (this->added_newline)
+	    {
+		writeString("%QDF: ignore_newline\n");
+	    }
+	}
+	openObject(new_id + 1);
+	writeString(QUtil::int_to_string(this->cur_stream_length));
+	closeObject(new_id + 1);
+    }
+}
+
+void
+QPDFWriter::generateID()
+{
+    // Note: we can't call generateID() at the time of construction
+    // since the caller hasn't yet had a chance to call setStaticID(),
+    // but we need to generate it before computing encryption
+    // dictionary parameters.  This is why we call this function both
+    // from setEncryptionParameters() and from write() and return
+    // immediately if the ID has already been generated.
+
+    if (! this->id2.empty())
+    {
+	return;
+    }
+
+    QPDFObjectHandle trailer = pdf.getTrailer();
+
+    std::string result;
+
+    if (this->static_id)
+    {
+	// For test suite use only...
+	static char tmp[] = {0x31, 0x41, 0x59, 0x26,
+			     0x53, 0x58, 0x97, 0x93,
+			     0x23, 0x84, 0x62, 0x64,
+			     0x33, 0x83, 0x27, 0x95,
+			     0x00};
+	result = tmp;
+    }
+    else
+    {
+	// The PDF specification has guidelines for creating IDs, but it
+	// states clearly that the only thing that's really important is
+	// that it is very likely to be unique.  We can't really follow
+	// the guidelines in the spec exactly because we haven't written
+	// the file yet.  This scheme should be fine though.
+
+	std::string seed;
+	seed += QUtil::int_to_string((int)time(0));
+	seed += " QPDF ";
+	seed += filename;
+	seed += " ";
+	if (trailer.hasKey("/Info"))
+	{
+	    std::set<std::string> keys = trailer.getKeys();
+	    for (std::set<std::string>::iterator iter = keys.begin();
+		 iter != keys.end(); ++iter)
+	    {
+		QPDFObjectHandle obj = trailer.getKey(*iter);
+		if (obj.isString())
+		{
+		    seed += " ";
+		    seed += obj.getStringValue();
+		}
+	    }
+	}
+
+	MD5 m;
+	m.encodeString(seed.c_str());
+	MD5::Digest digest;
+	m.digest(digest);
+	result = std::string((char*)digest, sizeof(MD5::Digest));
+    }
+
+    // If /ID already exists, follow the spec: use the original first
+    // word and generate a new second word.  Otherwise, we'll use the
+    // generated ID for both.
+
+    this->id2 = result;
+    if (trailer.hasKey("/ID"))
+    {
+	// Note: keep /ID from old file even if --static-id was given.
+	this->id1 = trailer.getKey("/ID").getArrayItem(0).getStringValue();
+    }
+    else
+    {
+	this->id1 = this->id2;
+    }
+}
+
+void
+QPDFWriter::initializeSpecialStreams()
+{
+    // Mark all page content streams in case we are filtering or
+    // normalizing.
+    std::vector<QPDFObjectHandle> pages = pdf.getAllPages();
+    int num = 0;
+    for (std::vector<QPDFObjectHandle>::iterator iter = pages.begin();
+	 iter != pages.end(); ++iter)
+    {
+	QPDFObjectHandle& page = *iter;
+	this->page_object_to_seq[page.getObjectID()] = ++num;
+	QPDFObjectHandle contents = page.getKey("/Contents");
+	std::vector<int> contents_objects;
+	if (contents.isArray())
+	{
+	    int n = contents.getArrayNItems();
+	    for (int i = 0; i < n; ++i)
+	    {
+		contents_objects.push_back(
+		    contents.getArrayItem(i).getObjectID());
+	    }
+	}
+	else if (contents.isStream())
+	{
+	    contents_objects.push_back(contents.getObjectID());
+	}
+
+	for (std::vector<int>::iterator iter = contents_objects.begin();
+	     iter != contents_objects.end(); ++iter)
+	{
+	    this->contents_to_page_seq[*iter] = num;
+	    this->normalized_streams.insert(*iter);
+	}
+    }
+}
+
+void
+QPDFWriter::preserveObjectStreams()
+{
+    this->pdf.getObjectStreamData(this->object_to_object_stream);
+}
+
+void
+QPDFWriter::generateObjectStreams()
+{
+    // Basic strategy: make a list of objects that can go into an
+    // object stream.  Then figure out how many object streams are
+    // needed so that we can distribute objects approximately evenly
+    // without having any object stream exceed 100 members.  We don't
+    // have to worry about linearized files here -- if the file is
+    // linearized, we take care of excluding things that aren't
+    // allowed here later.
+
+    // This code doesn't do anything with /Extends.
+
+    std::vector<int> const& eligible = this->pdf.getCompressibleObjects();
+    unsigned int n_object_streams = (eligible.size() + 99) / 100;
+    unsigned int n_per = eligible.size() / n_object_streams;
+    if (n_per * n_object_streams < eligible.size())
+    {
+	++n_per;
+    }
+    unsigned int n = 0;
+    int cur_ostream = 0;
+    for (std::vector<int>::const_iterator iter = eligible.begin();
+	 iter != eligible.end(); ++iter)
+    {
+	if ((n % n_per) == 0)
+	{
+	    if (n > 0)
+	    {
+		QTC::TC("qpdf", "QPDFWriter generate >1 ostream");
+	    }
+	    n = 0;
+	}
+	if (n == 0)
+	{
+	    // Construct a new null object as the "original" object
+	    // stream.  The rest of the code knows that this means
+	    // we're creating the object stream from scratch.
+	    cur_ostream = this->pdf.makeIndirectObject(
+		QPDFObjectHandle::newNull()).getObjectID();
+	}
+	this->object_to_object_stream[*iter] = cur_ostream;
+	++n;
+    }
+}
+
+void
+QPDFWriter::write()
+{
+    // Do preliminary setup
+
+    if (this->linearized)
+    {
+	this->qdf_mode = false;
+    }
+
+    if (this->qdf_mode)
+    {
+	if (! this->normalize_content_set)
+	{
+	    this->normalize_content = true;
+	}
+	if (! this->stream_data_mode_set)
+	{
+	    this->stream_data_mode = s_uncompress;
+	}
+    }
+
+    if (this->encrypted)
+    {
+	// Encryption has been explicitly set
+	this->preserve_encryption = false;
+    }
+    else if (this->normalize_content ||
+	     (this->stream_data_mode == s_uncompress) ||
+	     this->qdf_mode)
+    {
+	// Encryption makes looking at contents pretty useless.  If
+	// the user explicitly encrypted though, we still obey that.
+	this->preserve_encryption = false;
+    }
+
+    if (preserve_encryption)
+    {
+	copyEncryptionParameters();
+    }
+
+    if (this->qdf_mode || this->normalize_content ||
+	(this->stream_data_mode == s_uncompress))
+    {
+	initializeSpecialStreams();
+    }
+
+    if (this->qdf_mode)
+    {
+	// Generate indirect stream lengths for qdf mode since fix-qdf
+	// uses them for storing recomputed stream length data.
+	// Certain streams such as object streams, xref streams, and
+	// hint streams always get direct stream lengths.
+	this->direct_stream_lengths = false;
+    }
+
+    switch (this->object_stream_mode)
+    {
+      case o_disable:
+	// no action required
+	break;
+
+      case o_preserve:
+	preserveObjectStreams();
+	break;
+
+      case o_generate:
+	generateObjectStreams();
+	break;
+
+	// no default so gcc will warn for missing case tag
+    }
+
+    if (this->linearized)
+    {
+	// Page dictionaries are not allowed to be compressed objects.
+	std::vector<QPDFObjectHandle> pages = pdf.getAllPages();
+	for (std::vector<QPDFObjectHandle>::iterator iter = pages.begin();
+	     iter != pages.end(); ++iter)
+	{
+	    QPDFObjectHandle& page = *iter;
+	    int objid = page.getObjectID();
+	    if (this->object_to_object_stream.count(objid))
+	    {
+		QTC::TC("qpdf", "QPDFWriter uncompressing page dictionary");
+		this->object_to_object_stream.erase(objid);
+	    }
+	}
+    }
+
+    if (this->linearized || this->encrypted)
+    {
+    	// The document catalog is not allowed to be compressed in
+    	// linearized files either.  It also appears that Adobe Reader
+    	// 8.0.0 has a bug that prevents it from being able to handle
+    	// encrypted files with compressed document catalogs, so we
+    	// disable them in that case as well.
+	int objid = pdf.getRoot().getObjectID();
+	if (this->object_to_object_stream.count(objid))
+	{
+	    QTC::TC("qpdf", "QPDFWriter uncompressing root");
+	    this->object_to_object_stream.erase(objid);
+	}
+    }
+
+    // Generate reverse mapping from object stream to objects
+    for (std::map<int, int>::iterator iter =
+	     this->object_to_object_stream.begin();
+	 iter != this->object_to_object_stream.end(); ++iter)
+    {
+	int obj = (*iter).first;
+	int stream = (*iter).second;
+	this->object_stream_to_objects[stream].insert(obj);
+	this->max_ostream_index =
+	    std::max(this->max_ostream_index,
+		     (int)this->object_stream_to_objects[stream].size() - 1);
+    }
+
+    if (! this->object_stream_to_objects.empty())
+    {
+	this->min_pdf_version = "1.5";
+    }
+
+    generateID();
+
+    pdf.trimTrailerForWrite();
+    pdf.flattenScalarReferences();
+
+    if (this->linearized)
+    {
+	writeLinearized();
+    }
+    else
+    {
+	writeStandard();
+    }
+
+    this->pipeline->finish();
+    if (this->close_file)
+    {
+	fclose(this->file);
+    }
+    this->file = 0;
+}
+
+void
+QPDFWriter::enqueuePart(std::vector<QPDFObjectHandle>& part)
+{
+    for (std::vector<QPDFObjectHandle>::iterator iter = part.begin();
+	 iter != part.end(); ++iter)
+    {
+	enqueueObject(*iter);
+    }
+}
+
+void
+QPDFWriter::writeEncryptionDictionary()
+{
+    this->encryption_dict_objid = openObject(this->encryption_dict_objid);
+    writeString("<<");
+    for (std::map<std::string, std::string>::iterator iter =
+	     this->encryption_dictionary.begin();
+	 iter != this->encryption_dictionary.end(); ++iter)
+    {
+	writeString(" ");
+	writeString((*iter).first);
+	writeString(" ");
+	writeString((*iter).second);
+    }
+    writeString(" >>");
+    closeObject(this->encryption_dict_objid);
+}
+
+void
+QPDFWriter::writeHeader()
+{
+    std::string version = pdf.getPDFVersion();
+    if (! this->min_pdf_version.empty())
+    {
+	float ov = atof(version.c_str());
+	float mv = atof(this->min_pdf_version.c_str());
+	if (mv > ov)
+	{
+	    version = this->min_pdf_version;
+	}
+    }
+
+    writeString("%PDF-");
+    writeString(version);
+    // This string of binary characters would not be valid UTF-8, so
+    // it really should be treated as binary.
+    writeString("\n%¿÷¢þ\n");
+    writeStringQDF("%QDF-1.0\n\n");
+}
+
+void
+QPDFWriter::writeHintStream(int hint_id)
+{
+    PointerHolder<Buffer> hint_buffer;
+    int S = 0;
+    int O = 0;
+    pdf.generateHintStream(
+	this->xref, this->lengths, this->obj_renumber, hint_buffer, S, O);
+
+    openObject(hint_id);
+    setDataKey(hint_id);
+
+    unsigned char* hs = hint_buffer.getPointer()->getBuffer();
+    unsigned long hlen = hint_buffer.getPointer()->getSize();
+
+    writeString("<< /Filter /FlateDecode /S ");
+    writeString(QUtil::int_to_string(S));
+    if (O)
+    {
+	writeString(" /O ");
+	writeString(QUtil::int_to_string(O));
+    }
+    writeString(" /Length ");
+    writeString(QUtil::int_to_string(hlen));
+    writeString(" >>\nstream\n");
+
+    if (this->encrypted)
+    {
+	QTC::TC("qpdf", "QPDFWriter encrypted hint stream");
+    }
+    pushEncryptionFilter();
+    writeBuffer(hint_buffer);
+    popPipelineStack();
+
+    if (hs[hlen - 1] != '\n')
+    {
+	writeString("\n");
+    }
+    writeString("endstream");
+    closeObject(hint_id);
+}
+
+int
+QPDFWriter::writeXRefTable(trailer_e which, int first, int last, int size)
+{
+    return writeXRefTable(which, first, last, size, 0, false, 0, 0, 0);
+}
+
+int
+QPDFWriter::writeXRefTable(trailer_e which, int first, int last, int size,
+			   int prev, bool suppress_offsets,
+			   int hint_id, int hint_offset, int hint_length)
+{
+    writeString("xref\n");
+    writeString(QUtil::int_to_string(first));
+    writeString(" ");
+    writeString(QUtil::int_to_string(last - first + 1));
+    int space_before_zero = this->pipeline->getCount();
+    writeString("\n");
+    for (int i = first; i <= last; ++i)
+    {
+	if (i == 0)
+	{
+	    writeString("0000000000 65535 f \n");
+	}
+	else
+	{
+	    int offset = 0;
+	    if (! suppress_offsets)
+	    {
+		offset = this->xref[i].getOffset();
+		if ((hint_id != 0) &&
+		    (i != hint_id) &&
+		    (offset >= hint_offset))
+		{
+		    offset += hint_length;
+		}
+	    }
+	    writeString(QUtil::int_to_string(offset, 10));
+	    writeString(" 00000 n \n");
+	}
+    }
+    writeTrailer(which, size, false, prev);
+    writeString("\n");
+    return space_before_zero;
+}
+
+int
+QPDFWriter::writeXRefStream(int objid, int max_id, int max_offset,
+			    trailer_e which, int first, int last, int size)
+{
+    return writeXRefStream(objid, max_id, max_offset,
+			   which, first, last, size, 0, 0, 0, 0);
+}
+
+int
+QPDFWriter::writeXRefStream(int xref_id, int max_id, int max_offset,
+			    trailer_e which, int first, int last, int size,
+			    int prev, int hint_id,
+			    int hint_offset, int hint_length)
+{
+    int xref_offset = this->pipeline->getCount();
+    int space_before_zero = xref_offset - 1;
+
+    // field 1 contains offsets and object stream identifiers
+    int f1_size = std::max(bytesNeeded(max_offset),
+			   bytesNeeded(max_id));
+
+    // field 2 contains object stream indices
+    int f2_size = bytesNeeded(this->max_ostream_index);
+
+    unsigned int esize = 1 + f1_size + f2_size;
+
+    // Must store in xref table in advance of writing the actual data
+    // rather than waiting for openObject to do it.
+    this->xref[xref_id] = QPDFXRefEntry(1, pipeline->getCount(), 0);
+
+    Pipeline* p = pushPipeline(new Pl_Buffer("xref stream"));
+    bool compressed = false;
+    if (! ((this->stream_data_mode == s_uncompress) || this->qdf_mode))
+    {
+	compressed = true;
+	p = pushPipeline(
+	    new Pl_Flate("compress xref", p, Pl_Flate::a_deflate));
+	p = pushPipeline(
+	    new Pl_PNGFilter(
+		"pngify xref", p, Pl_PNGFilter::a_encode, esize, 0));
+    }
+    activatePipelineStack();
+    for (int i = first; i <= last; ++i)
+    {
+	QPDFXRefEntry& e = this->xref[i];
+	switch (e.getType())
+	{
+	  case 0:
+	    writeBinary(0, 1);
+	    writeBinary(0, f1_size);
+	    writeBinary(0, f2_size);
+	    break;
+
+	  case 1:
+	    {
+		int offset = e.getOffset();
+		if ((hint_id != 0) &&
+		    (i != hint_id) &&
+		    (offset >= hint_offset))
+		{
+		    offset += hint_length;
+		}
+		writeBinary(1, 1);
+		writeBinary(offset, f1_size);
+		writeBinary(0, f2_size);
+	    }
+	    break;
+
+	  case 2:
+	    writeBinary(2, 1);
+	    writeBinary(e.getObjStreamNumber(), f1_size);
+	    writeBinary(e.getObjStreamIndex(), f2_size);
+	    break;
+
+	  default:
+	    throw QEXC::Internal("invalid type writing xref stream");
+	    break;
+	}
+    }
+    PointerHolder<Buffer> xref_data;
+    popPipelineStack(&xref_data);
+
+    openObject(xref_id);
+    writeString("<<");
+    writeStringQDF("\n ");
+    writeString(" /Type /XRef");
+    writeStringQDF("\n ");
+    writeString(" /Length " +
+		QUtil::int_to_string(xref_data.getPointer()->getSize()));
+    if (compressed)
+    {
+	writeStringQDF("\n ");
+	writeString(" /Filter /FlateDecode");
+	writeStringQDF("\n ");
+	writeString(" /DecodeParms << /Columns " +
+		    QUtil::int_to_string(esize) + " /Predictor 12 >>");
+    }
+    writeStringQDF("\n ");
+    writeString(" /W [ 1 " +
+		QUtil::int_to_string(f1_size) + " " +
+		QUtil::int_to_string(f2_size) + " ]");
+    if (! ((first == 0) && (last == size - 1)))
+    {
+	writeString(" /Index [ " +
+		    QUtil::int_to_string(first) + " " +
+		    QUtil::int_to_string(last - first + 1) + " ]");
+    }
+    writeTrailer(which, size, true, prev);
+    writeString("\nstream\n");
+    writeBuffer(xref_data);
+    writeString("\nendstream");
+    closeObject(xref_id);
+    return space_before_zero;
+}
+
+void
+QPDFWriter::writeLinearized()
+{
+    // Optimize file and enqueue objects in order
+
+    bool need_xref_stream = (! this->object_to_object_stream.empty());
+    pdf.optimize(this->object_to_object_stream);
+
+    std::vector<QPDFObjectHandle> part4;
+    std::vector<QPDFObjectHandle> part6;
+    std::vector<QPDFObjectHandle> part7;
+    std::vector<QPDFObjectHandle> part8;
+    std::vector<QPDFObjectHandle> part9;
+    pdf.getLinearizedParts(this->object_to_object_stream,
+			   part4, part6, part7, part8, part9);
+
+    // Object number sequence:
+    //
+    //  second half
+    //    second half uncompressed objects
+    //    second half xref stream, if any
+    //    second half compressed objects
+    //  first half
+    //    linearization dictionary
+    //    first half xref stream, if any
+    //    part 4 uncompresesd objects
+    //    encryption dictionary, if any
+    //    hint stream
+    //    part 6 uncompressed objects
+    //    first half compressed objects
+    //
+
+    // Second half objects
+    int second_half_uncompressed = part7.size() + part8.size() + part9.size();
+    int second_half_first_obj = 1;
+    int after_second_half = 1 + second_half_uncompressed;
+    this->next_objid = after_second_half;
+    int second_half_xref = 0;
+    if (need_xref_stream)
+    {
+	second_half_xref = this->next_objid++;
+    }
+    // Assign numbers to all compressed objects in the second half.
+    std::vector<QPDFObjectHandle>* vecs2[] = {&part7, &part8, &part9};
+    for (int i = 0; i < 3; ++i)
+    {
+	for (std::vector<QPDFObjectHandle>::iterator iter = (*vecs2[i]).begin();
+	     iter != (*vecs2[i]).end(); ++iter)
+	{
+	    assignCompressedObjectNumbers((*iter).getObjectID());
+	}
+    }
+    int second_half_end = this->next_objid - 1;
+    int second_trailer_size = this->next_objid;
+
+    // First half objects
+    int first_half_start = this->next_objid;
+    int lindict_id = this->next_objid++;
+    int first_half_xref = 0;
+    if (need_xref_stream)
+    {
+	first_half_xref = this->next_objid++;
+    }
+    int part4_first_obj = this->next_objid;
+    this->next_objid += part4.size();
+    int after_part4 = this->next_objid;
+    if (this->encrypted)
+    {
+	this->encryption_dict_objid = this->next_objid++;
+    }
+    int hint_id = this->next_objid++;
+    int part6_first_obj = this->next_objid;
+    this->next_objid += part6.size();
+    int after_part6 = this->next_objid;
+    // Assign numbers to all compressed objects in the first half
+    std::vector<QPDFObjectHandle>* vecs1[] = {&part4, &part6};
+    for (int i = 0; i < 2; ++i)
+    {
+	for (std::vector<QPDFObjectHandle>::iterator iter = (*vecs1[i]).begin();
+	     iter != (*vecs1[i]).end(); ++iter)
+	{
+	    assignCompressedObjectNumbers((*iter).getObjectID());
+	}
+    }
+    int first_half_end = this->next_objid - 1;
+    int first_trailer_size = this->next_objid;
+
+    int part4_end_marker = part4.back().getObjectID();
+    int part6_end_marker = part6.back().getObjectID();
+    int space_before_zero = 0;
+    int file_size = 0;
+    int part6_end_offset = 0;
+    int first_half_max_obj_offset = 0;
+    int second_xref_offset = 0;
+    int first_xref_end = 0;
+    int second_xref_end = 0;
+
+    this->next_objid = part4_first_obj;
+    enqueuePart(part4);
+    assert(this->next_objid = after_part4);
+    this->next_objid = part6_first_obj;
+    enqueuePart(part6);
+    assert(this->next_objid == after_part6);
+    this->next_objid = second_half_first_obj;
+    enqueuePart(part7);
+    enqueuePart(part8);
+    enqueuePart(part9);
+    assert(this->next_objid == after_second_half);
+
+    int hint_length = 0;
+    PointerHolder<Buffer> hint_buffer;
+
+    // Write file in two passes.  Part numbers refer to PDF spec 1.4.
+
+    for (int pass = 1; pass <= 2; ++pass)
+    {
+	if (pass == 1)
+	{
+	    pushDiscardFilter();
+	}
+
+	// Part 1: header
+
+	writeHeader();
+
+	// Part 2: linearization parameter dictionary.  Save enough
+	// space to write real dictionary.  150 characters is enough
+	// space if all numerical values in the parameter dictionary
+	// are 10 digits long plus a few extra characters for safety.
+
+	int pos = this->pipeline->getCount();
+	openObject(lindict_id);
+	writeString("<<");
+	if (pass == 2)
+	{
+	    std::vector<QPDFObjectHandle> const& pages = pdf.getAllPages();
+	    int first_page_object = obj_renumber[pages[0].getObjectID()];
+	    int npages = pages.size();
+
+	    writeString(" /Linearized 1 /L ");
+	    writeString(QUtil::int_to_string(file_size + hint_length));
+	    // Implementation note 121 states that a space is
+	    // mandatory after this open bracket.
+	    writeString(" /H [ ");
+	    writeString(QUtil::int_to_string(this->xref[hint_id].getOffset()));
+	    writeString(" ");
+	    writeString(QUtil::int_to_string(hint_length));
+	    writeString(" ] /O ");
+	    writeString(QUtil::int_to_string(first_page_object));
+	    writeString(" /E ");
+	    writeString(QUtil::int_to_string(part6_end_offset + hint_length));
+	    writeString(" /N ");
+	    writeString(QUtil::int_to_string(npages));
+	    writeString(" /T ");
+	    writeString(QUtil::int_to_string(space_before_zero + hint_length));
+	}
+	writeString(" >>");
+	closeObject(lindict_id);
+	static int const pad = 150;
+	int spaces = (pos + pad - this->pipeline->getCount());
+	assert(spaces >= 0);
+	for (int i = 0; i < spaces; ++i)
+	{
+	    writeString(" ");
+	}
+	writeString("\n");
+
+	// Part 3: first page cross reference table and trailer.
+
+	int first_xref_offset = this->pipeline->getCount();
+	int hint_offset = 0;
+	if (pass == 2)
+	{
+	    hint_offset = this->xref[hint_id].getOffset();
+	}
+	if (need_xref_stream)
+	{
+	    // Must pad here too.
+	    if (pass == 1)
+	    {
+		// first_half_max_obj_offset is very likely to fall
+		// within the first 64K of the document (thus
+		// requiring two bytes for offsets) since it is the
+		// offset of the last uncompressed object in page 1.
+		// We allow for it to do otherwise though.
+		first_half_max_obj_offset = 65535;
+	    }
+	    pos = this->pipeline->getCount();
+	    writeXRefStream(first_half_xref, first_half_end,
+			    first_half_max_obj_offset,
+			    t_lin_first, first_half_start, first_half_end,
+			    first_trailer_size,
+			    hint_length + second_xref_offset,
+			    hint_id, hint_offset, hint_length);
+	    int endpos = this->pipeline->getCount();
+	    if (pass == 1)
+	    {
+		// Pad so we have enough room for the real xref
+		// stream.  In an extremely unlikely worst case,
+		// first_half_max_obj_offset could be enough larger to
+		// require two extra bytes beyond what we calculated
+		// in pass 1.  This means we need to save two extra
+		// bytes for each xref entry.  To that, we'll add 10
+		// extra bytes for number length increases.
+		int possible_extra =
+		    10 + (2 * (first_half_end - first_half_start + 1));
+		for (int i = 0; i < possible_extra; ++i)
+		{
+		    writeString(" ");
+		}
+		first_xref_end = this->pipeline->getCount();
+	    }
+	    else
+	    {
+		// Pad so that the next object starts at the same
+		// place as in pass 1.
+		for (int i = 0; i < first_xref_end - endpos; ++i)
+		{
+		    writeString(" ");
+		}
+		assert(this->pipeline->getCount() == first_xref_end);
+	    }
+	    writeString("\n");
+	}
+	else
+	{
+	    writeXRefTable(t_lin_first, first_half_start, first_half_end,
+			   first_trailer_size, hint_length + second_xref_offset,
+			   (pass == 1), hint_id, hint_offset, hint_length);
+	    writeString("startxref\n0\n%%EOF\n");
+	}
+
+	// Parts 4 through 9
+
+	for (std::list<QPDFObjectHandle>::iterator iter =
+		 this->object_queue.begin();
+	     iter != this->object_queue.end(); ++iter)
+	{
+	    QPDFObjectHandle cur_object = (*iter);
+	    if (cur_object.getObjectID() == part6_end_marker)
+	    {
+		first_half_max_obj_offset = this->pipeline->getCount();
+	    }
+	    writeObject(cur_object);
+	    if (cur_object.getObjectID() == part4_end_marker)
+	    {
+		if (this->encrypted)
+		{
+		    writeEncryptionDictionary();
+		}
+		if (pass == 1)
+		{
+		    this->xref[hint_id] =
+			QPDFXRefEntry(1, this->pipeline->getCount(), 0);
+		}
+		else
+		{
+		    // Part 5: hint stream
+		    writeBuffer(hint_buffer);
+		}
+	    }
+	    if (cur_object.getObjectID() == part6_end_marker)
+	    {
+		part6_end_offset = this->pipeline->getCount();
+	    }
+	}
+
+	// Part 10: overflow hint stream -- not used
+
+	// Part 11: main cross reference table and trailer
+
+	second_xref_offset = this->pipeline->getCount();
+	if (need_xref_stream)
+	{
+	    space_before_zero =
+		writeXRefStream(second_half_xref,
+				second_half_end, second_xref_offset,
+				t_lin_second, 0, second_half_end,
+				second_trailer_size);
+	    if (pass == 1)
+	    {
+		// Add some padding -- we need an accurate file_size
+		// number, and this could change if the pass 2 xref
+		// stream compresses differently.  There shouldn't be
+		// much difference, so we'll just pad 100 characters.
+		// This is unscientific though, and may not always
+		// work.  The only way we could really get around this
+		// would be to seek back to the beginning of the file
+		// and update /L in the linearization dictionary, but
+		// that would be the only thing in the design that
+		// would require the output file to be seekable.
+		for (int i = 0; i < 99; ++i)
+		{
+		    writeString(" ");
+		}
+		writeString("\n");
+		second_xref_end = this->pipeline->getCount();
+	    }
+	    else
+	    {
+		// Make the file size the same.
+		int pos = this->pipeline->getCount();
+		while (pos < second_xref_end + hint_length - 1)
+		{
+		    ++pos;
+		    writeString(" ");
+		}
+		writeString("\n");
+		// If this assertion fails, maybe we didn't have
+		// enough padding above.
+		assert(this->pipeline->getCount() ==
+		       second_xref_end + hint_length);
+	    }
+	}
+	else
+	{
+	    space_before_zero =
+		writeXRefTable(t_lin_second, 0, second_half_end,
+			       second_trailer_size);
+	}
+	writeString("startxref\n");
+	writeString(QUtil::int_to_string(first_xref_offset));
+	writeString("\n%%EOF\n");
+
+	if (pass == 1)
+	{
+	    // Close first pass pipeline
+	    file_size = this->pipeline->getCount();
+	    popPipelineStack();
+
+	    // Save hint offset since it will be set to zero by
+	    // calling openObject.
+	    int hint_offset = this->xref[hint_id].getOffset();
+
+	    // Write hint stream to a buffer
+	    pushPipeline(new Pl_Buffer("hint buffer"));
+	    activatePipelineStack();
+	    writeHintStream(hint_id);
+	    popPipelineStack(&hint_buffer);
+	    hint_length = hint_buffer.getPointer()->getSize();
+
+	    // Restore hint offset
+	    this->xref[hint_id] = QPDFXRefEntry(1, hint_offset, 0);
+	}
+    }
+}
+
+void
+QPDFWriter::writeStandard()
+{
+    // Start writing
+
+    writeHeader();
+
+    // Put root first on queue.
+    QPDFObjectHandle trailer = pdf.getTrailer();
+    enqueueObject(trailer.getKey("/Root"));
+
+    // Next place any other objects referenced from the trailer
+    // dictionary into the queue, handling direct objects recursively.
+    // Root is already there, so enqueuing it a second time is a
+    // no-op.
+    std::set<std::string> keys = trailer.getKeys();
+    for (std::set<std::string>::iterator iter = keys.begin();
+	 iter != keys.end(); ++iter)
+    {
+	enqueueObject(trailer.getKey(*iter));
+    }
+
+    // Now start walking queue, output each object
+    while (this->object_queue.size())
+    {
+	QPDFObjectHandle cur_object = this->object_queue.front();
+	this->object_queue.pop_front();
+	writeObject(cur_object);
+    }
+
+    // Write out the encryption dictionary, if any
+    if (this->encrypted)
+    {
+	writeEncryptionDictionary();
+    }
+
+    // Now write out xref.  next_objid is now the number of objects.
+    off_t xref_offset = this->pipeline->getCount();
+    if (this->object_stream_to_objects.empty())
+    {
+	// Write regular cross-reference table
+	// Write regular cross-reference table
+	writeXRefTable(t_normal, 0, this->next_objid - 1, this->next_objid);
+    }
+    else
+    {
+	// Write cross-reference stream.
+	int xref_id = this->next_objid++;
+	writeXRefStream(xref_id, xref_id, xref_offset, t_normal,
+			0, this->next_objid - 1, this->next_objid);
+    }
+    writeString("startxref\n");
+    writeString(QUtil::int_to_string(xref_offset));
+    writeString("\n%%EOF\n");
+}
diff --git a/libqpdf/QPDFXRefEntry.cc b/libqpdf/QPDFXRefEntry.cc
new file mode 100644
index 00000000..669a2f13
--- /dev/null
+++ b/libqpdf/QPDFXRefEntry.cc
@@ -0,0 +1,61 @@
+
+#include <qpdf/QPDFXRefEntry.hh>
+#include <qpdf/QPDFExc.hh>
+#include <qpdf/QUtil.hh>
+
+QPDFXRefEntry::QPDFXRefEntry() :
+    type(0),
+    field1(0),
+    field2(0)
+{
+}
+
+QPDFXRefEntry::QPDFXRefEntry(int type, int field1, int field2) :
+    type(type),
+    field1(field1),
+    field2(field2)
+{
+    if ((type < 1) || (type > 2))
+    {
+	throw QPDFExc("invalid xref type " + QUtil::int_to_string(type));
+    }
+}
+
+int
+QPDFXRefEntry::getType() const
+{
+    return this->type;
+}
+
+int
+QPDFXRefEntry::getOffset() const
+{
+    if (this->type != 1)
+    {
+	throw QPDFExc(
+	    "getOffset called for xref entry of type != 1");
+    }
+    return this->field1;
+}
+
+int
+QPDFXRefEntry::getObjStreamNumber() const
+{
+    if (this->type != 2)
+    {
+	throw QPDFExc(
+	    "getObjStreamNumber called for xref entry of type != 2");
+    }
+    return this->field1;
+}
+
+int
+QPDFXRefEntry::getObjStreamIndex() const
+{
+    if (this->type != 2)
+    {
+	throw QPDFExc(
+	    "getObjStreamIndex called for xref entry of type != 2");
+    }
+    return this->field2;
+}
diff --git a/libqpdf/QPDF_Array.cc b/libqpdf/QPDF_Array.cc
new file mode 100644
index 00000000..d1edbfdd
--- /dev/null
+++ b/libqpdf/QPDF_Array.cc
@@ -0,0 +1,51 @@
+
+#include <qpdf/QPDF_Array.hh>
+
+#include <qpdf/QEXC.hh>
+
+QPDF_Array::QPDF_Array(std::vector<QPDFObjectHandle> const& items) :
+    items(items)
+{
+}
+
+QPDF_Array::~QPDF_Array()
+{
+}
+
+std::string
+QPDF_Array::unparse()
+{
+    std::string result = "[ ";
+    for (std::vector<QPDFObjectHandle>::iterator iter = this->items.begin();
+	 iter != this->items.end(); ++iter)
+    {
+	result += (*iter).unparse();
+	result += " ";
+    }
+    result += "]";
+    return result;
+}
+
+int
+QPDF_Array::getNItems() const
+{
+    return this->items.size();
+}
+
+QPDFObjectHandle
+QPDF_Array::getItem(int n) const
+{
+    if ((n < 0) || (n >= (int)this->items.size()))
+    {
+	throw QEXC::Internal("bounds array accessing QPDF_Array element");
+    }
+    return this->items[n];
+}
+
+void
+QPDF_Array::setItem(int n, QPDFObjectHandle const& oh)
+{
+    // Call getItem for bounds checking
+    (void) getItem(n);
+    this->items[n] = oh;
+}
diff --git a/libqpdf/QPDF_Bool.cc b/libqpdf/QPDF_Bool.cc
new file mode 100644
index 00000000..2b50c4c2
--- /dev/null
+++ b/libqpdf/QPDF_Bool.cc
@@ -0,0 +1,23 @@
+
+#include <qpdf/QPDF_Bool.hh>
+
+QPDF_Bool::QPDF_Bool(bool val) :
+    val(val)
+{
+}
+
+QPDF_Bool::~QPDF_Bool()
+{
+}
+
+std::string
+QPDF_Bool::unparse()
+{
+    return (val ? "true" : "false");
+}
+
+bool
+QPDF_Bool::getVal() const
+{
+    return this->val;
+}
diff --git a/libqpdf/QPDF_Dictionary.cc b/libqpdf/QPDF_Dictionary.cc
new file mode 100644
index 00000000..654df688
--- /dev/null
+++ b/libqpdf/QPDF_Dictionary.cc
@@ -0,0 +1,84 @@
+
+#include <qpdf/QPDF_Dictionary.hh>
+
+#include <qpdf/QPDF_Null.hh>
+#include <qpdf/QPDF_Name.hh>
+
+QPDF_Dictionary::QPDF_Dictionary(
+    std::map<std::string, QPDFObjectHandle> const& items) :
+    items(items)
+{
+}
+
+QPDF_Dictionary::~QPDF_Dictionary()
+{
+}
+
+std::string
+QPDF_Dictionary::unparse()
+{
+    std::string result = "<< ";
+    for (std::map<std::string, QPDFObjectHandle>::iterator iter =
+	     this->items.begin();
+	 iter != this->items.end(); ++iter)
+    {
+	result += QPDF_Name::normalizeName((*iter).first) +
+	    " " + (*iter).second.unparse() + " ";
+    }
+    result += ">>";
+    return result;
+}
+
+bool
+QPDF_Dictionary::hasKey(std::string const& key)
+{
+    return ((this->items.count(key) > 0) &&
+	    (! this->items[key].isNull()));
+}
+
+QPDFObjectHandle
+QPDF_Dictionary::getKey(std::string const& key)
+{
+    // PDF spec says fetching a non-existent key from a dictionary
+    // returns the null object.
+    if (this->items.count(key))
+    {
+	// May be a null object
+	return (*(this->items.find(key))).second;
+    }
+    else
+    {
+	return QPDFObjectHandle::newNull();
+    }
+}
+
+std::set<std::string>
+QPDF_Dictionary::getKeys()
+{
+    std::set<std::string> result;
+    for (std::map<std::string, QPDFObjectHandle>::const_iterator iter =
+	     this->items.begin();
+	 iter != this->items.end(); ++iter)
+    {
+	if (hasKey((*iter).first))
+	{
+	    result.insert((*iter).first);
+	}
+    }
+    return result;
+}
+
+void
+QPDF_Dictionary::replaceKey(std::string const& key,
+			    QPDFObjectHandle const& value)
+{
+    // add or replace value
+    this->items[key] = value;
+}
+
+void
+QPDF_Dictionary::removeKey(std::string const& key)
+{
+    // no-op if key does not exist
+    this->items.erase(key);
+}
diff --git a/libqpdf/QPDF_Integer.cc b/libqpdf/QPDF_Integer.cc
new file mode 100644
index 00000000..988519d0
--- /dev/null
+++ b/libqpdf/QPDF_Integer.cc
@@ -0,0 +1,25 @@
+
+#include <qpdf/QPDF_Integer.hh>
+
+#include <qpdf/QUtil.hh>
+
+QPDF_Integer::QPDF_Integer(int val) :
+    val(val)
+{
+}
+
+QPDF_Integer::~QPDF_Integer()
+{
+}
+
+std::string
+QPDF_Integer::unparse()
+{
+    return QUtil::int_to_string(this->val);
+}
+
+int
+QPDF_Integer::getVal() const
+{
+    return this->val;
+}
diff --git a/libqpdf/QPDF_Name.cc b/libqpdf/QPDF_Name.cc
new file mode 100644
index 00000000..f57ced04
--- /dev/null
+++ b/libqpdf/QPDF_Name.cc
@@ -0,0 +1,46 @@
+
+#include <qpdf/QPDF_Name.hh>
+
+QPDF_Name::QPDF_Name(std::string const& name) :
+    name(name)
+{
+}
+
+QPDF_Name::~QPDF_Name()
+{
+}
+
+std::string
+QPDF_Name::normalizeName(std::string const& name)
+{
+    std::string result;
+    char num[4];
+    result += name[0];
+    for (unsigned int i = 1; i < name.length(); ++i)
+    {
+	char ch = name[i];
+	// Don't use locale/ctype here; follow PDF spec guidlines.
+	if (strchr("#()<>[]{}/%", ch) || (ch < 33) || (ch > 126))
+	{
+	    sprintf(num, "#%02x", (unsigned char) ch);
+	    result += num;
+	}
+	else
+	{
+	    result += ch;
+	}
+    }
+    return result;
+}
+
+std::string
+QPDF_Name::unparse()
+{
+    return normalizeName(this->name);
+}
+
+std::string
+QPDF_Name::getName() const
+{
+    return this->name;
+}
diff --git a/libqpdf/QPDF_Null.cc b/libqpdf/QPDF_Null.cc
new file mode 100644
index 00000000..57a78b7e
--- /dev/null
+++ b/libqpdf/QPDF_Null.cc
@@ -0,0 +1,12 @@
+
+#include <qpdf/QPDF_Null.hh>
+
+QPDF_Null::~QPDF_Null()
+{
+}
+
+std::string
+QPDF_Null::unparse()
+{
+    return "null";
+}
diff --git a/libqpdf/QPDF_Real.cc b/libqpdf/QPDF_Real.cc
new file mode 100644
index 00000000..87a19cb2
--- /dev/null
+++ b/libqpdf/QPDF_Real.cc
@@ -0,0 +1,23 @@
+
+#include <qpdf/QPDF_Real.hh>
+
+QPDF_Real::QPDF_Real(std::string const& val) :
+    val(val)
+{
+}
+
+QPDF_Real::~QPDF_Real()
+{
+}
+
+std::string
+QPDF_Real::unparse()
+{
+    return this->val;
+}
+
+std::string
+QPDF_Real::getVal()
+{
+    return this->val;
+}
diff --git a/libqpdf/QPDF_Stream.cc b/libqpdf/QPDF_Stream.cc
new file mode 100644
index 00000000..9694f837
--- /dev/null
+++ b/libqpdf/QPDF_Stream.cc
@@ -0,0 +1,309 @@
+
+#include <qpdf/QPDF_Stream.hh>
+
+#include <qpdf/QEXC.hh>
+#include <qpdf/QUtil.hh>
+#include <qpdf/Pipeline.hh>
+#include <qpdf/Pl_Flate.hh>
+#include <qpdf/Pl_PNGFilter.hh>
+#include <qpdf/Pl_RC4.hh>
+#include <qpdf/Pl_Buffer.hh>
+#include <qpdf/Pl_ASCII85Decoder.hh>
+#include <qpdf/Pl_ASCIIHexDecoder.hh>
+#include <qpdf/Pl_LZWDecoder.hh>
+
+#include <qpdf/QTC.hh>
+#include <qpdf/QPDF.hh>
+#include <qpdf/QPDFExc.hh>
+#include <qpdf/Pl_QPDFTokenizer.hh>
+
+QPDF_Stream::QPDF_Stream(QPDF* qpdf, int objid, int generation,
+			 QPDFObjectHandle stream_dict,
+			 off_t offset, int length) :
+    qpdf(qpdf),
+    objid(objid),
+    generation(generation),
+    stream_dict(stream_dict),
+    offset(offset),
+    length(length)
+{
+    if (! stream_dict.isDictionary())
+    {
+	throw QEXC::Internal("stream object instantiated with non-dictionary "
+			     "object for dictionary");
+    }
+}
+
+QPDF_Stream::~QPDF_Stream()
+{
+}
+
+std::string
+QPDF_Stream::unparse()
+{
+    // Unparse stream objects as indirect references
+    return QUtil::int_to_string(this->objid) + " " +
+	QUtil::int_to_string(this->generation) + " R";
+}
+
+QPDFObjectHandle
+QPDF_Stream::getDict() const
+{
+    return this->stream_dict;
+}
+
+PointerHolder<Buffer>
+QPDF_Stream::getStreamData()
+{
+    Pl_Buffer buf("stream data buffer");
+    if (! pipeStreamData(&buf, true, false, false))
+    {
+	throw QPDFExc("getStreamData called on unfilterable stream");
+    }
+    return buf.getBuffer();
+}
+
+bool
+QPDF_Stream::filterable(std::vector<std::string>& filters,
+			int& predictor, int& columns,
+			bool& early_code_change)
+{
+    // Initialize values to their defaults as per the PDF spec
+    predictor = 1;
+    columns = 0;
+    early_code_change = true;
+
+    bool filterable = true;
+
+    // See if we can support any decode parameters that are specified.
+
+    QPDFObjectHandle decode_obj =
+	this->stream_dict.getKey("/DecodeParms");
+    if (decode_obj.isNull())
+    {
+	// no problem
+    }
+    else if (decode_obj.isDictionary())
+    {
+	std::set<std::string> keys = decode_obj.getKeys();
+	for (std::set<std::string>::iterator iter = keys.begin();
+	     iter != keys.end(); ++iter)
+	{
+	    std::string const& key = *iter;
+	    if (key == "/Predictor")
+	    {
+		QPDFObjectHandle predictor_obj = decode_obj.getKey(key);
+		if (predictor_obj.isInteger())
+		{
+		    predictor = predictor_obj.getIntValue();
+		    if (! ((predictor == 1) || (predictor == 12)))
+		    {
+			filterable = false;
+		    }
+		}
+		else
+		{
+		    filterable = false;
+		}
+	    }
+	    else if (key == "/EarlyChange")
+	    {
+		QPDFObjectHandle earlychange_obj = decode_obj.getKey(key);
+		if (earlychange_obj.isInteger())
+		{
+		    int earlychange = earlychange_obj.getIntValue();
+		    early_code_change = (earlychange == 1);
+		    if (! ((earlychange == 0) || (earlychange == 1)))
+		    {
+			filterable = false;
+		    }
+		}
+		else
+		{
+		    filterable = false;
+		}
+	    }
+	    else if (key == "/Columns")
+	    {
+		QPDFObjectHandle columns_obj = decode_obj.getKey(key);
+		if (columns_obj.isInteger())
+		{
+		    columns = columns_obj.getIntValue();
+		}
+		else
+		{
+		    filterable = false;
+		}
+	    }
+	    else
+	    {
+		filterable = false;
+	    }
+	}
+    }
+    else
+    {
+	throw QPDFExc(qpdf->getFilename(), this->offset,
+		      "invalid decode parameters object type for this stream");
+    }
+
+    if ((predictor > 1) && (columns == 0))
+    {
+	// invalid
+	filterable = false;
+    }
+
+    if (! filterable)
+    {
+	return false;
+    }
+
+    // Check filters
+
+    QPDFObjectHandle filter_obj = this->stream_dict.getKey("/Filter");
+    bool filters_okay = true;
+
+    if (filter_obj.isNull())
+    {
+	// No filters
+    }
+    else if (filter_obj.isName())
+    {
+	// One filter
+	filters.push_back(filter_obj.getName());
+    }
+    else if (filter_obj.isArray())
+    {
+	// Potentially multiple filters
+	int n = filter_obj.getArrayNItems();
+	for (int i = 0; i < n; ++i)
+	{
+	    QPDFObjectHandle item = filter_obj.getArrayItem(i);
+	    if (item.isName())
+	    {
+		filters.push_back(item.getName());
+	    }
+	    else
+	    {
+		filters_okay = false;
+	    }
+	}
+    }
+    else
+    {
+	filters_okay = false;
+    }
+
+    if (! filters_okay)
+    {
+	QTC::TC("qpdf", "QPDF_Stream invalid filter");
+	throw QPDFExc(qpdf->getFilename(), this->offset,
+		      "invalid filter object type for this stream");
+    }
+
+    // `filters' now contains a list of filters to be applied in
+    // order.  See which ones we can support.
+
+    for (std::vector<std::string>::iterator iter = filters.begin();
+	 iter != filters.end(); ++iter)
+    {
+	std::string const& filter = *iter;
+	if (! ((filter == "/FlateDecode") ||
+	       (filter == "/LZWDecode") ||
+	       (filter == "/ASCII85Decode") ||
+	       (filter == "/ASCIIHexDecode")))
+	{
+	    filterable = false;
+	}
+    }
+
+    return filterable;
+}
+
+bool
+QPDF_Stream::pipeStreamData(Pipeline* pipeline, bool filter,
+			    bool normalize, bool compress)
+{
+    std::vector<std::string> filters;
+    int predictor = 1;
+    int columns = 0;
+    bool early_code_change = true;
+    if (filter)
+    {
+	filter = filterable(filters, predictor, columns, early_code_change);
+    }
+
+    if (pipeline == 0)
+    {
+	QTC::TC("qpdf", "QPDF_Stream pipeStreamData with null pipeline");
+	return filter;
+    }
+
+    // Construct the pipeline in reverse order.  Force pipelines we
+    // create to be deleted when this function finishes.
+    std::vector<PointerHolder<Pipeline> > to_delete;
+
+    if (filter)
+    {
+	if (compress)
+	{
+	    pipeline = new Pl_Flate("compress object stream", pipeline,
+				    Pl_Flate::a_deflate);
+	    to_delete.push_back(pipeline);
+	}
+
+	if (normalize)
+	{
+	    pipeline = new Pl_QPDFTokenizer("normalizer", pipeline);
+	    to_delete.push_back(pipeline);
+	}
+
+	for (std::vector<std::string>::reverse_iterator iter = filters.rbegin();
+	     iter != filters.rend(); ++iter)
+	{
+	    std::string const& filter = *iter;
+	    if (filter == "/FlateDecode")
+	    {
+		if (predictor == 12)
+		{
+		    QTC::TC("qpdf", "QPDF_Stream PNG filter");
+		    pipeline = new Pl_PNGFilter(
+			"png decode", pipeline, Pl_PNGFilter::a_decode,
+			columns, 0 /* not used */);
+		    to_delete.push_back(pipeline);
+		}
+
+		pipeline = new Pl_Flate("stream inflate",
+					pipeline, Pl_Flate::a_inflate);
+		to_delete.push_back(pipeline);
+	    }
+	    else if (filter == "/ASCII85Decode")
+	    {
+		pipeline = new Pl_ASCII85Decoder("ascii85 decode", pipeline);
+		to_delete.push_back(pipeline);
+	    }
+	    else if (filter == "/ASCIIHexDecode")
+	    {
+		pipeline = new Pl_ASCIIHexDecoder("asciiHex decode", pipeline);
+		to_delete.push_back(pipeline);
+	    }
+	    else if (filter == "/LZWDecode")
+	    {
+		pipeline = new Pl_LZWDecoder("lzw decode", pipeline,
+					     early_code_change);
+		to_delete.push_back(pipeline);
+	    }
+	    else
+	    {
+		throw QEXC::Internal("QPDFStream: unknown filter "
+				     "encountered after check");
+	    }
+	}
+    }
+
+    QPDF::Pipe::pipeStreamData(this->qpdf, this->objid, this->generation,
+			       this->offset, this->length,
+			       this->stream_dict, pipeline);
+
+    return filter;
+}
diff --git a/libqpdf/QPDF_String.cc b/libqpdf/QPDF_String.cc
new file mode 100644
index 00000000..cc8ca042
--- /dev/null
+++ b/libqpdf/QPDF_String.cc
@@ -0,0 +1,178 @@
+
+#include <qpdf/QPDF_String.hh>
+
+#include <qpdf/QUtil.hh>
+// DO NOT USE ctype -- it is locale dependent for some things, and
+// it's not worth the risk of including it in case it may accidentally
+// be used.
+#include <string.h>
+
+// See above about ctype.
+static bool is_iso_latin1_printable(unsigned char ch)
+{
+    return (((ch >= 32) && (ch <= 126)) || (ch >= 160));
+}
+
+QPDF_String::QPDF_String(std::string const& val) :
+    val(val)
+{
+}
+
+QPDF_String::~QPDF_String()
+{
+}
+
+std::string
+QPDF_String::unparse()
+{
+    return unparse(false);
+}
+
+std::string
+QPDF_String::unparse(bool force_binary)
+{
+    bool use_hexstring = force_binary;
+    if (! use_hexstring)
+    {
+	unsigned int nonprintable = 0;
+	int consecutive_printable = 0;
+	for (unsigned int i = 0; i < this->val.length(); ++i)
+	{
+	    char ch = this->val[i];
+	    // Note: do not use locale to determine printability.  The PDF
+	    // specification accepts arbitrary binary data.  Some locales
+	    // imply multibyte characters.  We'll consider something
+	    // printable if it is printable in ISO-Latin-1.  We'll code
+	    // this manually rather than being rude and setting locale.
+	    if ((ch == 0) || (! (is_iso_latin1_printable(ch) ||
+				 strchr("\n\r\t\b\f", ch))))
+	    {
+		++nonprintable;
+		consecutive_printable = 0;
+	    }
+	    else
+	    {
+		if (++consecutive_printable > 5)
+		{
+		    // If there are more than 5 consecutive printable
+		    // characters, I want to see them as such.
+		    nonprintable = 0;
+		    break;
+		}
+	    }
+	}
+
+	// Use hex notation if more than 20% of the characters are not
+	// printable in the current locale.  Uniformly distributed random
+	// characters will not pass this test even with ISO-Latin-1 in
+	// which 76% are either printable or in the set of standard
+	// escaped characters.
+	if (5 * nonprintable > val.length())
+	{
+	    use_hexstring = true;
+	}
+    }
+    std::string result;
+    if (use_hexstring)
+    {
+	result += "<";
+	char num[3];
+	for (unsigned int i = 0; i < this->val.length(); ++i)
+	{
+	    sprintf(num, "%02x", (unsigned char) this->val[i]);
+	    result += num;
+	}
+	result += ">";
+    }
+    else
+    {
+	result += "(";
+	char num[5];
+	for (unsigned int i = 0; i < this->val.length(); ++i)
+	{
+	    char ch = this->val[i];
+	    switch (ch)
+	    {
+	      case '\n':
+		result += "\\n";
+		break;
+
+	      case '\r':
+		result += "\\r";
+		break;
+
+	      case '\t':
+		result += "\\t";
+		break;
+
+	      case '\b':
+		result += "\\b";
+		break;
+
+	      case '\f':
+		result += "\\f";
+		break;
+
+	      case '(':
+		result += "\\(";
+		break;
+
+	      case ')':
+		result += "\\)";
+		break;
+
+	      case '\\':
+		result += "\\\\";
+		break;
+
+	      default:
+		if (is_iso_latin1_printable(ch))
+		{
+		    result += this->val[i];
+		}
+		else
+		{
+		    sprintf(num, "\\%03o", (unsigned char)ch);
+		    result += num;
+		}
+		break;
+	    }
+	}
+	result += ")";
+    }
+
+    return result;
+}
+
+std::string
+QPDF_String::getVal() const
+{
+    return this->val;
+}
+
+std::string
+QPDF_String::getUTF8Val() const
+{
+    std::string result;
+    unsigned int len = this->val.length();
+    if ((len >= 2) && (len % 2 == 0) &&
+	(this->val[0] == '\xfe') && (this->val[1] == '\xff'))
+    {
+	// This is a Unicode string using big-endian UTF-16.  This
+	// code is not actually correct as it doesn't properly handle
+	// characters past 0xffff.
+	for (unsigned int i = 2; i < len; i += 2)
+	{
+	    result += QUtil::toUTF8(((unsigned char) this->val[i] << 8) +
+				    ((unsigned char) this->val[i+1]));
+	}
+    }
+    else
+    {
+	for (unsigned int i = 0; i < len; ++i)
+	{
+	    result += QUtil::toUTF8((unsigned char) this->val[i]);
+	}
+    }
+    return result;
+}
diff --git a/libqpdf/QPDF_encryption.cc b/libqpdf/QPDF_encryption.cc
new file mode 100644
index 00000000..e5e2d8be
--- /dev/null
+++ b/libqpdf/QPDF_encryption.cc
@@ -0,0 +1,441 @@
+// This file implements methods from the QPDF class that involve
+// encryption.
+
+#include <qpdf/QPDF.hh>
+
+#include <qpdf/QPDFExc.hh>
+
+#include <qpdf/QUtil.hh>
+#include <qpdf/Pl_RC4.hh>
+#include <qpdf/RC4.hh>
+#include <qpdf/MD5.hh>
+
+static char const padding_string[] = {
+    0x28, 0xbf, 0x4e, 0x5e, 0x4e, 0x75, 0x8a, 0x41,
+    0x64, 0x00, 0x4e, 0x56, 0xff, 0xfa, 0x01, 0x08,
+    0x2e, 0x2e, 0x00, 0xb6, 0xd0, 0x68, 0x3e, 0x80,
+    0x2f, 0x0c, 0xa9, 0xfe, 0x64, 0x53, 0x69, 0x7a
+};
+
+static unsigned int const O_key_bytes = sizeof(MD5::Digest);
+static unsigned int const id_bytes = 16;
+static unsigned int const key_bytes = 32;
+
+void
+pad_or_truncate_password(std::string const& password, char k1[key_bytes])
+{
+    int password_bytes = std::min(key_bytes, password.length());
+    int pad_bytes = key_bytes - password_bytes;
+    memcpy(k1, password.c_str(), password_bytes);
+    memcpy(k1 + password_bytes, padding_string, pad_bytes);
+}
+
+void
+QPDF::trim_user_password(std::string& user_password)
+{
+    // Although unnecessary, this routine trims the padding string
+    // from the end of a user password.  Its only purpose is for
+    // recovery of user passwords which is done in the test suite.
+    char const* cstr = user_password.c_str();
+    size_t len = user_password.length();
+    if (len < key_bytes)
+    {
+	return;
+    }
+
+    char* p = 0;
+    while ((p = strchr(cstr, '\x28')) != 0)
+    {
+	if (memcmp(p, padding_string, len - (p - cstr)) == 0)
+	{
+	    user_password = user_password.substr(0, p - cstr);
+	    return;
+	}
+    }
+}
+
+static std::string
+pad_or_truncate_password(std::string const& password)
+{
+    char k1[key_bytes];
+    pad_or_truncate_password(password, k1);
+    return std::string(k1, key_bytes);
+}
+
+static void
+iterate_md5_digest(MD5& md5, MD5::Digest& digest, int iterations)
+{
+    md5.digest(digest);
+
+    for (int i = 0; i < iterations; ++i)
+    {
+	MD5 m;
+	m.encodeDataIncrementally((char*)digest, sizeof(digest));
+	m.digest(digest);
+    }
+}
+
+
+static void
+iterate_rc4(unsigned char* data, int data_len,
+	    unsigned char* okey, int key_len,
+	    int iterations, bool reverse)
+{
+    unsigned char* key = new unsigned char[key_len];
+    for (int i = 0; i < iterations; ++i)
+    {
+	int const xor_value = (reverse ? iterations - 1 - i : i);
+	for (int j = 0; j < key_len; ++j)
+	{
+	    key[j] = okey[j] ^ xor_value;
+	}
+	RC4 rc4(key, key_len);
+	rc4.process(data, data_len);
+    }
+    delete [] key;
+}
+
+std::string
+QPDF::compute_data_key(std::string const& encryption_key,
+		       int objid, int generation)
+{
+    // Algorithm 3.1 from the PDF 1.4 Reference Manual
+
+    std::string result = encryption_key;
+
+    // Append low three bytes of object ID and low two bytes of generation
+    result += (char) (objid & 0xff);
+    result += (char) ((objid >> 8) & 0xff);
+    result += (char) ((objid >> 16) & 0xff);
+    result += (char) (generation & 0xff);
+    result += (char) ((generation >> 8) & 0xff);
+
+    MD5 md5;
+    md5.encodeDataIncrementally(result.c_str(), result.length());
+    MD5::Digest digest;
+    md5.digest(digest);
+    return std::string((char*) digest,
+		       std::min(result.length(), (size_t) 16));
+}
+
+std::string
+QPDF::compute_encryption_key(
+    std::string const& password, EncryptionData const& data)
+{
+    // Algorithm 3.2 from the PDF 1.4 Reference Manual
+
+    MD5 md5;
+    md5.encodeDataIncrementally(
+	pad_or_truncate_password(password).c_str(), key_bytes);
+    md5.encodeDataIncrementally(data.O.c_str(), key_bytes);
+    char pbytes[4];
+    pbytes[0] = (char) (data.P & 0xff);
+    pbytes[1] = (char) ((data.P >> 8) & 0xff);
+    pbytes[2] = (char) ((data.P >> 16) & 0xff);
+    pbytes[3] = (char) ((data.P >> 24) & 0xff);
+    md5.encodeDataIncrementally(pbytes, 4);
+    md5.encodeDataIncrementally(data.id1.c_str(), id_bytes);
+    MD5::Digest digest;
+    iterate_md5_digest(md5, digest, ((data.R == 3) ? 50 : 0));
+    return std::string((char*)digest, data.Length_bytes);
+}
+
+static void
+compute_O_rc4_key(std::string const& user_password,
+		  std::string const& owner_password,
+		  QPDF::EncryptionData const& data,
+		  unsigned char key[O_key_bytes])
+{
+    std::string password = owner_password;
+    if (password.empty())
+    {
+	password = user_password;
+    }
+    MD5 md5;
+    md5.encodeDataIncrementally(
+	pad_or_truncate_password(password).c_str(), key_bytes);
+    MD5::Digest digest;
+    iterate_md5_digest(md5, digest, ((data.R == 3) ? 50 : 0));
+    memcpy(key, digest, O_key_bytes);
+}
+
+static std::string
+compute_O_value(std::string const& user_password,
+		std::string const& owner_password,
+		QPDF::EncryptionData const& data)
+{
+    // Algorithm 3.3 from the PDF 1.4 Reference Manual
+
+    unsigned char O_key[O_key_bytes];
+    compute_O_rc4_key(user_password, owner_password, data, O_key);
+
+    char upass[key_bytes];
+    pad_or_truncate_password(user_password, upass);
+    iterate_rc4((unsigned char*) upass, key_bytes,
+		O_key, data.Length_bytes, (data.R == 3) ? 20 : 1, false);
+    return std::string(upass, key_bytes);
+}
+
+static
+std::string
+compute_U_value_R2(std::string const& user_password,
+		   QPDF::EncryptionData const& data)
+{
+    // Algorithm 3.4 from the PDF 1.4 Reference Manual
+
+    std::string k1 = QPDF::compute_encryption_key(user_password, data);
+    char udata[key_bytes];
+    pad_or_truncate_password("", udata);
+    iterate_rc4((unsigned char*) udata, key_bytes,
+		(unsigned char*)k1.c_str(), data.Length_bytes, 1, false);
+    return std::string(udata, key_bytes);
+}
+
+static
+std::string
+compute_U_value_R3(std::string const& user_password,
+		   QPDF::EncryptionData const& data)
+{
+    // Algorithm 3.5 from the PDF 1.4 Reference Manual
+
+    std::string k1 = QPDF::compute_encryption_key(user_password, data);
+    MD5 md5;
+    md5.encodeDataIncrementally(
+	pad_or_truncate_password("").c_str(), key_bytes);
+    md5.encodeDataIncrementally(data.id1.c_str(), data.id1.length());
+    MD5::Digest digest;
+    md5.digest(digest);
+    iterate_rc4(digest, sizeof(MD5::Digest),
+		(unsigned char*) k1.c_str(), data.Length_bytes, 20, false);
+    char result[key_bytes];
+    memcpy(result, digest, sizeof(MD5::Digest));
+    // pad with arbitrary data -- make it consistent for the sake of
+    // testing
+    for (unsigned int i = sizeof(MD5::Digest); i < key_bytes; ++i)
+    {
+	result[i] = (char)((i * i) % 0xff);
+    }
+    return std::string(result, key_bytes);
+}
+
+static std::string
+compute_U_value(std::string const& user_password,
+		QPDF::EncryptionData const& data)
+{
+    if (data.R == 3)
+    {
+	return compute_U_value_R3(user_password, data);
+    }
+
+    return compute_U_value_R2(user_password, data);
+}
+
+static bool
+check_user_password(std::string const& user_password,
+		    QPDF::EncryptionData const& data)
+{
+    // Algorithm 3.6 from the PDF 1.4 Reference Manual
+
+    std::string u_value = compute_U_value(user_password, data);
+    int to_compare = ((data.R == 3) ? sizeof(MD5::Digest) : key_bytes);
+    return (memcmp(data.U.c_str(), u_value.c_str(), to_compare) == 0);
+}
+
+static bool
+check_owner_password(std::string& user_password,
+		     std::string const& owner_password,
+		     QPDF::EncryptionData const& data)
+{
+    // Algorithm 3.7 from the PDF 1.4 Reference Manual
+
+    unsigned char key[O_key_bytes];
+    compute_O_rc4_key(user_password, owner_password, data, key);
+    unsigned char O_data[key_bytes];
+    memcpy(O_data, (unsigned char*) data.O.c_str(), key_bytes);
+    iterate_rc4(O_data, key_bytes, key, data.Length_bytes,
+		(data.R == 3) ? 20 : 1, true);
+    std::string new_user_password =
+	std::string((char*)O_data, key_bytes);
+    bool result = false;
+    if (check_user_password(new_user_password, data))
+    {
+	result = true;
+	user_password = new_user_password;
+    }
+    return result;
+}
+
+void
+QPDF::initializeEncryption()
+{
+    if (this->encryption_initialized)
+    {
+	return;
+    }
+    this->encryption_initialized = true;
+
+    // After we initialize encryption parameters, we must used stored
+    // key information and never look at /Encrypt again.  Otherwise,
+    // things could go wrong if someone mutates the encryption
+    // dictionary.
+
+    if (! this->trailer.hasKey("/Encrypt"))
+    {
+	return;
+    }
+
+    QPDFObjectHandle id_obj = this->trailer.getKey("/ID");
+    if (! (id_obj.isArray() &&
+	   (id_obj.getArrayNItems() == 2) &&
+	   id_obj.getArrayItem(0).isString()))
+    {
+	throw QPDFExc(this->file.getName(), this->file.getLastOffset(),
+		      "invalid /ID in trailer dictionary");
+    }
+
+    std::string id1 = id_obj.getArrayItem(0).getStringValue();
+    if (id1.length() != id_bytes)
+    {
+	throw QPDFExc(this->file.getName(), this->file.getLastOffset(),
+		      "first /ID string in trailer dictionary has "
+		      "incorrect length");
+    }
+
+    QPDFObjectHandle encryption_dict = this->trailer.getKey("/Encrypt");
+    if (! encryption_dict.isDictionary())
+    {
+	throw QPDFExc(this->file.getName(), this->file.getLastOffset(),
+		      "/Encrypt in trailer dictionary is not a dictionary");
+    }
+
+    if (! (encryption_dict.getKey("/Filter").isName() &&
+	   (encryption_dict.getKey("/Filter").getName() == "/Standard")))
+    {
+	throw QPDFExc(this->file.getName(), this->file.getLastOffset(),
+		      "unsupported encryption filter");
+    }
+
+    if (! (encryption_dict.getKey("/V").isInteger() &&
+	   encryption_dict.getKey("/R").isInteger() &&
+	   encryption_dict.getKey("/O").isString() &&
+	   encryption_dict.getKey("/U").isString() &&
+	   encryption_dict.getKey("/P").isInteger()))
+    {
+	throw QPDFExc(this->file.getName(), this->file.getLastOffset(),
+		      "some encryption dictionary parameters are missing "
+		      "or the wrong type");
+    }
+
+    int V = encryption_dict.getKey("/V").getIntValue();
+    int R = encryption_dict.getKey("/R").getIntValue();
+    std::string O = encryption_dict.getKey("/O").getStringValue();
+    std::string U = encryption_dict.getKey("/U").getStringValue();
+    unsigned int P = (unsigned int) encryption_dict.getKey("/P").getIntValue();
+
+    if (! (((R == 2) || (R == 3)) &&
+	   ((V == 1) || (V == 2))))
+    {
+	throw QPDFExc(this->file.getName(), this->file.getLastOffset(),
+		      "Unsupported /R or /V in encryption dictionary");
+    }
+
+    if (! ((O.length() == key_bytes) && (U.length() == key_bytes)))
+    {
+	throw QPDFExc(this->file.getName(), this->file.getLastOffset(),
+		      "incorrect length for /O and/or /P in "
+		      "encryption dictionary");
+    }
+
+    int Length = 40;
+    if (encryption_dict.getKey("/Length").isInteger())
+    {
+	Length = encryption_dict.getKey("/Length").getIntValue();
+	if ((Length % 8) || (Length < 40) || (Length > 128))
+	{
+	    throw QPDFExc(this->file.getName(), this->file.getLastOffset(),
+			  "invalid /Length value in encryption dictionary");
+	}
+    }
+
+    EncryptionData data(V, R, Length / 8, P, O, U, id1);
+    if (check_owner_password(this->user_password, this->provided_password, data))
+    {
+	// password supplied was owner password; user_password has
+	// been initialized
+    }
+    else if (check_user_password(this->provided_password, data))
+    {
+	this->user_password = this->provided_password;
+    }
+    else
+    {
+	throw QPDFExc(this->file.getName() + ": invalid password");
+    }
+
+    this->encrypted = true;
+    this->encryption_key = compute_encryption_key(this->user_password, data);
+}
+
+std::string
+QPDF::getKeyForObject(int objid, int generation)
+{
+    if (! this->encrypted)
+    {
+	throw QEXC::Internal("request for encryption key in non-encrypted PDF");
+    }
+
+    if (! ((objid == this->cached_key_objid) &&
+	   (generation == this->cached_key_generation)))
+    {
+	this->cached_object_encryption_key =
+	    compute_data_key(this->encryption_key, objid, generation);
+	this->cached_key_objid = objid;
+	this->cached_key_generation = generation;
+    }
+
+    return this->cached_object_encryption_key;
+}
+
+void
+QPDF::decryptString(std::string& str, int objid, int generation)
+{
+    if (objid == 0)
+    {
+	return;
+    }
+    std::string key = getKeyForObject(objid, generation);
+    char* tmp = QUtil::copy_string(str);
+    unsigned int vlen = str.length();
+    RC4 rc4((unsigned char const*)key.c_str(), key.length());
+    rc4.process((unsigned char*)tmp, vlen);
+    str = std::string(tmp, vlen);
+    delete [] tmp;
+}
+
+void
+QPDF::decryptStream(Pipeline*& pipeline, int objid, int generation,
+		    std::vector<PointerHolder<Pipeline> >& heap)
+{
+    std::string key = getKeyForObject(objid, generation);
+    pipeline = new Pl_RC4("stream decryption", pipeline,
+			  (unsigned char*) key.c_str(), key.length());
+    heap.push_back(pipeline);
+}
+
+void
+QPDF::compute_encryption_O_U(
+    char const* user_password, char const* owner_password,
+    int V, int R, int key_len, unsigned long P,
+    std::string const& id1, std::string& O, std::string& U)
+{
+    EncryptionData data(V, R, key_len, P, "", "", id1);
+    data.O = compute_O_value(user_password, owner_password, data);
+    O = data.O;
+    U = compute_U_value(user_password, data);
+}
+
+std::string const&
+QPDF::getUserPassword() const
+{
+    return this->user_password;
+}
diff --git a/libqpdf/QPDF_linearization.cc b/libqpdf/QPDF_linearization.cc
new file mode 100644
index 00000000..6c0cf3be
--- /dev/null
+++ b/libqpdf/QPDF_linearization.cc
@@ -0,0 +1,2103 @@
+// See doc/linearization.
+
+#include <qpdf/QPDF.hh>
+
+#include <qpdf/QPDFExc.hh>
+#include <qpdf/QTC.hh>
+#include <qpdf/QUtil.hh>
+#include <qpdf/PCRE.hh>
+#include <qpdf/Pl_Buffer.hh>
+#include <qpdf/Pl_Flate.hh>
+#include <qpdf/Pl_Count.hh>
+#include <qpdf/BitWriter.hh>
+#include <qpdf/BitStream.hh>
+
+#include <iostream>
+#include <algorithm>
+#include <assert.h>
+#include <math.h>
+
+template <class T>
+static void
+load_vector_int(BitStream& bit_stream, int nitems, std::vector<T>& vec,
+		int bits_wanted, int T::*field)
+{
+    // nitems times, read bits_wanted from the given bit stream,
+    // storing results in the ith vector entry.
+
+    for (int i = 0; i < nitems; ++i)
+    {
+	vec[i].*field = bit_stream.getBits(bits_wanted);
+    }
+    // The PDF spec says that each hint table starts at a byte
+    // boundary.  Each "row" actually must start on a byte boundary.
+    bit_stream.skipToNextByte();
+}
+
+template <class T>
+static void
+load_vector_vector(BitStream& bit_stream,
+		   int nitems1, std::vector<T>& vec1, int T::*nitems2,
+		   int bits_wanted, std::vector<int> T::*vec2)
+{
+    // nitems1 times, read nitems2 (from the ith element of vec1) items
+    // into the vec2 vector field of the ith item of vec1.
+    for (int i1 = 0; i1 < nitems1; ++i1)
+    {
+	for (int i2 = 0; i2 < vec1[i1].*nitems2; ++i2)
+	{
+	    (vec1[i1].*vec2).push_back(bit_stream.getBits(bits_wanted));
+	}
+    }
+    bit_stream.skipToNextByte();
+}
+
+bool
+QPDF::checkLinearization()
+{
+    bool result = false;
+    try
+    {
+	readLinearizationData();
+	result = checkLinearizationInternal();
+    }
+    catch (QPDFExc& e)
+    {
+	std::cout << e.what() << std::endl;
+    }
+    return result;
+}
+
+bool
+QPDF::isLinearized()
+{
+    // If the first object in the file is a dictionary with a suitable
+    // /Linearized key and has an /L key that accurately indicates the
+    // file size, initialize this->lindict and return true.
+
+    // A linearized PDF spec's first object will be contained within
+    // the first 1024 bytes of the file and will be a dictionary with
+    // a valid /Linearized key.  This routine looks for that and does
+    // no additional validation.
+
+    // The PDF spec says the linearization dictionary must be
+    // completely contained within the first 1024 bytes of the file.
+    // Add a byte for a null terminator.
+    static int const tbuf_size = 1025;
+
+    char* buf = new char[tbuf_size];
+    this->file.seek(0, SEEK_SET);
+    PointerHolder<char> b(buf);	// guarantee deletion
+    memset(buf, '\0', tbuf_size);
+    this->file.read(buf, tbuf_size - 1);
+
+    static PCRE lindict_re("(?s:(\\d+)\\s+0\\s+obj\\s*<<)");
+
+    off_t offset = -1;
+    int lindict_obj = 0;
+    char* p = buf;
+    while (lindict_obj == 0)
+    {
+	PCRE::Match m(lindict_re.match(p));
+	if (m)
+	{
+	    offset = m.getOffset(0) + (p - buf);
+	    lindict_obj = atoi(m.getMatch(1).c_str());
+	    if (m.getMatch(0).find('\n') != std::string::npos)
+	    {
+		QTC::TC("qpdf", "QPDF lindict found newline");
+	    }
+	}
+	else
+	{
+	    if ((p = (char*)memchr(p, '\0', tbuf_size - (p - buf))) != 0)
+	    {
+		QTC::TC("qpdf", "QPDF lindict null found");
+		while ((p - buf < tbuf_size) && (*p == 0))
+		{
+		    ++p;
+		}
+		if ((p - buf) == tbuf_size)
+		{
+		    break;
+		}
+		QTC::TC("qpdf", "QPDF lindict searching after null");
+	    }
+	}
+    }
+
+    if (lindict_obj == 0)
+    {
+	return false;
+    }
+
+    QPDFObjectHandle candidate = QPDFObjectHandle::Factory::newIndirect(
+	this, lindict_obj, 0);
+    if (! candidate.isDictionary())
+    {
+	return false;
+    }
+
+    QPDFObjectHandle linkey = candidate.getKey("/Linearized");
+    if (! (linkey.isNumber() && ((int)floor(linkey.getNumericValue()) == 1)))
+    {
+	return false;
+    }
+
+    QPDFObjectHandle L = candidate.getKey("/L");
+    if (L.isInteger())
+    {
+	int Li = L.getIntValue();
+	this->file.seek(0, SEEK_END);
+	if (Li != this->file.tell())
+	{
+	    QTC::TC("qpdf", "QPDF /L mismatch");
+	    return false;
+	}
+	else
+	{
+	    this->linp.file_size = Li;
+	}
+    }
+
+    this->lindict = candidate;
+
+    return true;
+}
+
+void
+QPDF::readLinearizationData()
+{
+    // This function throws an exception (which is trapped by
+    // checkLinearization()) for any errors that prevent loading.
+
+    // Hint table parsing code needs at least 32 bits in a long.
+    assert(sizeof(long) >= 4);
+
+    if (! isLinearized())
+    {
+	throw QPDFExc(this->file.getName() + " is not linearized");
+    }
+
+    // /L is read and stored in linp by isLinearized()
+    QPDFObjectHandle H = lindict.getKey("/H");
+    QPDFObjectHandle O = lindict.getKey("/O");
+    QPDFObjectHandle E = lindict.getKey("/E");
+    QPDFObjectHandle N = lindict.getKey("/N");
+    QPDFObjectHandle T = lindict.getKey("/T");
+    QPDFObjectHandle P = lindict.getKey("/P");
+
+    if (! (H.isArray() &&
+	   O.isInteger() &&
+	   E.isInteger() &&
+	   N.isInteger() &&
+	   T.isInteger() &&
+	   (P.isInteger() || P.isNull())))
+    {
+	throw QPDFExc("some keys in linearization dictionary are of "
+		      "the wrong type");
+    }
+
+    // Hint table array: offset length [ offset length ]
+    unsigned int n_H_items = H.getArrayNItems();
+    if (! ((n_H_items == 2) || (n_H_items == 4)))
+    {
+	throw QPDFExc("H has the wrong number of items");
+    }
+
+    std::vector<int> H_items;
+    for (unsigned int i = 0; i < n_H_items; ++i)
+    {
+	QPDFObjectHandle oh(H.getArrayItem(i));
+	if (oh.isInteger())
+	{
+	    H_items.push_back(oh.getIntValue());
+	}
+	else
+	{
+	    throw QPDFExc("some H items are of the wrong type");
+	}
+    }
+
+    // H: hint table offset/length for primary and overflow hint tables
+    int H0_offset = H_items[0];
+    int H0_length = H_items[1];
+    int H1_offset = 0;
+    int H1_length = 0;
+    if (H_items.size() == 4)
+    {
+	// Acrobat doesn't read or write these (as PDF 1.4), so we
+	// don't have a way to generate a test case.
+	// QTC::TC("qpdf", "QPDF overflow hint table");
+	H1_offset = H_items[2];
+	H1_length = H_items[3];
+    }
+
+    // P: first page number
+    int first_page = 0;
+    if (P.isInteger())
+    {
+	QTC::TC("qpdf", "QPDF P present in lindict");
+	first_page = P.getIntValue();
+    }
+    else
+    {
+	QTC::TC("qpdf", "QPDF P absent in lindict");
+    }
+
+    // Store linearization parameter data
+
+    // file_size initialized by isLinearized()
+    this->linp.first_page_object = O.getIntValue();
+    this->linp.first_page_end = E.getIntValue();
+    this->linp.npages = N.getIntValue();
+    this->linp.xref_zero_offset = T.getIntValue();
+    this->linp.first_page = first_page;
+    this->linp.H_offset = H0_offset;
+    this->linp.H_length = H0_length;
+
+    // Read hint streams
+
+    Pl_Buffer pb("hint buffer");
+    QPDFObjectHandle H0 = readHintStream(pb, H0_offset, H0_length);
+    if (H1_offset)
+    {
+	(void) readHintStream(pb, H1_offset, H1_length);
+    }
+
+    // PDF 1.4 hint tables that we ignore:
+
+    //  /T    thumbnail
+    //  /A    thread information
+    //  /E    named destination
+    //  /V    interactive form
+    //  /I    information dictionary
+    //  /C    logical structure
+    //  /L    page label
+
+    // Individual hint table offsets
+    QPDFObjectHandle HS = H0.getKey("/S"); // shared object
+    QPDFObjectHandle HO = H0.getKey("/O"); // outline
+
+    PointerHolder<Buffer> hbp = pb.getBuffer();
+    Buffer* hb = hbp.getPointer();
+    unsigned char const* h_buf = hb->getBuffer();
+    int h_size = hb->getSize();
+
+    readHPageOffset(BitStream(h_buf, h_size));
+
+    int HSi = HS.getIntValue();
+    readHSharedObject(BitStream(h_buf + HSi, h_size - HSi));
+
+    if (HO.isInteger())
+    {
+	int HOi = HO.getIntValue();
+	readHGeneric(BitStream(h_buf + HOi, h_size - HOi),
+		     this->outline_hints);
+    }
+}
+
+QPDFObjectHandle
+QPDF::readHintStream(Pipeline& pl, off_t offset, size_t length)
+{
+    int obj;
+    int gen;
+    QPDFObjectHandle H = readObjectAtOffset(offset, 0, 0, obj, gen);
+    ObjCache& oc = this->obj_cache[ObjGen(obj, gen)];
+    off_t min_end_offset = oc.end_before_space;
+    off_t max_end_offset = oc.end_after_space;
+    if (! H.isStream())
+    {
+	throw QPDFExc("hint table is not a stream");
+    }
+
+    QPDFObjectHandle Hdict = H.getDict();
+
+    // Some versions of Acrobat make /Length indirect and place it
+    // immediately after the stream, increasing length to cover it,
+    // even though the specification says all objects in the
+    // linearization parameter dictionary must be direct.  We have to
+    // get the file position of the end of length in this case.
+    QPDFObjectHandle length_obj = Hdict.getKey("/Length");
+    if (length_obj.isIndirect())
+    {
+	QTC::TC("qpdf", "QPDF hint table length indirect");
+	// Force resolution
+	(void) length_obj.getIntValue();
+	ObjCache& oc = this->obj_cache
+	    [ObjGen(length_obj.getObjectID(),
+		    length_obj.getGeneration())];
+	min_end_offset = oc.end_before_space;
+	max_end_offset = oc.end_after_space;
+    }
+    else
+    {
+	QTC::TC("qpdf", "QPDF hint table length direct");
+    }
+    off_t computed_end = offset + length;
+    if ((computed_end < min_end_offset) ||
+	(computed_end > max_end_offset))
+    {
+	std::cout << "expected = " << computed_end
+		  << "; actual = " << min_end_offset << ".."
+		  << max_end_offset << std::endl;
+	throw QPDFExc("hint table length mismatch");
+    }
+    H.pipeStreamData(&pl, true, false, false);
+    return Hdict;
+}
+
+void
+QPDF::readHPageOffset(BitStream h)
+{
+    // All comments referring to the PDF spec refer to the spec for
+    // version 1.4.
+
+    HPageOffset& t = this->page_offset_hints;
+
+    t.min_nobjects = h.getBits(32);		  	    // 1
+    t.first_page_offset = h.getBits(32);		    // 2
+    t.nbits_delta_nobjects = h.getBits(16);		    // 3
+    t.min_page_length = h.getBits(32);			    // 4
+    t.nbits_delta_page_length = h.getBits(16);		    // 5
+    t.min_content_offset = h.getBits(32);		    // 6
+    t.nbits_delta_content_offset = h.getBits(16);	    // 7
+    t.min_content_length = h.getBits(32);		    // 8
+    t.nbits_delta_content_length = h.getBits(16);	    // 9
+    t.nbits_nshared_objects = h.getBits(16);		    // 10
+    t.nbits_shared_identifier = h.getBits(16);		    // 11
+    t.nbits_shared_numerator = h.getBits(16);		    // 12
+    t.shared_denominator = h.getBits(16);		    // 13
+
+    unsigned int nitems = this->linp.npages;
+    std::vector<HPageOffsetEntry>& entries = t.entries;
+    entries = std::vector<HPageOffsetEntry>(nitems);
+
+    load_vector_int(h, nitems, entries,
+		    t.nbits_delta_nobjects,
+		    &HPageOffsetEntry::delta_nobjects);
+    load_vector_int(h, nitems, entries,
+		    t.nbits_delta_page_length,
+		    &HPageOffsetEntry::delta_page_length);
+    load_vector_int(h, nitems, entries,
+		    t.nbits_nshared_objects,
+		    &HPageOffsetEntry::nshared_objects);
+    load_vector_vector(h, nitems, entries,
+		       &HPageOffsetEntry::nshared_objects,
+		       t.nbits_shared_identifier,
+		       &HPageOffsetEntry::shared_identifiers);
+    load_vector_vector(h, nitems, entries,
+		       &HPageOffsetEntry::nshared_objects,
+		       t.nbits_shared_numerator,
+		       &HPageOffsetEntry::shared_numerators);
+    load_vector_int(h, nitems, entries,
+		    t.nbits_delta_content_offset,
+		    &HPageOffsetEntry::delta_content_offset);
+    load_vector_int(h, nitems, entries,
+		    t.nbits_delta_content_length,
+		    &HPageOffsetEntry::delta_content_length);
+}
+
+void
+QPDF::readHSharedObject(BitStream h)
+{
+    HSharedObject& t = this->shared_object_hints;
+
+    t.first_shared_obj = h.getBits(32);			    // 1
+    t.first_shared_offset = h.getBits(32);		    // 2
+    t.nshared_first_page = h.getBits(32);		    // 3
+    t.nshared_total = h.getBits(32);			    // 4
+    t.nbits_nobjects = h.getBits(16);			    // 5
+    t.min_group_length = h.getBits(32);			    // 6
+    t.nbits_delta_group_length = h.getBits(16);		    // 7
+
+    QTC::TC("qpdf", "QPDF lin nshared_total > nshared_first_page",
+	    (t.nshared_total > t.nshared_first_page) ? 1 : 0);
+
+    int nitems = t.nshared_total;
+    std::vector<HSharedObjectEntry>& entries = t.entries;
+    entries = std::vector<HSharedObjectEntry>(nitems);
+
+    load_vector_int(h, nitems, entries,
+		    t.nbits_delta_group_length,
+		    &HSharedObjectEntry::delta_group_length);
+    load_vector_int(h, nitems, entries,
+		    1, &HSharedObjectEntry::signature_present);
+    for (int i = 0; i < nitems; ++i)
+    {
+	if (entries[i].signature_present)
+	{
+	    // Skip 128-bit MD5 hash.  These are not supported by
+	    // acrobat, so they should probably never be there.  We
+	    // have no test case for this.
+	    for (int j = 0; j < 4; ++j)
+	    {
+		(void) h.getBits(32);
+	    }
+	}
+    }
+    load_vector_int(h, nitems, entries,
+		    t.nbits_nobjects,
+		    &HSharedObjectEntry::nobjects_minus_one);
+}
+
+void
+QPDF::readHGeneric(BitStream h, HGeneric& t)
+{
+    t.first_object = h.getBits(32);			    // 1
+    t.first_object_offset = h.getBits(32);		    // 2
+    t.nobjects = h.getBits(32);				    // 3
+    t.group_length = h.getBits(32);			    // 4
+}
+
+bool
+QPDF::checkLinearizationInternal()
+{
+    // All comments referring to the PDF spec refer to the spec for
+    // version 1.4.
+
+    std::list<std::string> errors;
+    std::list<std::string> warnings;
+
+    // Check all values in linearization parameter dictionary
+
+    LinParameters& p = this->linp;
+
+    // L: file size in bytes -- checked by isLinearized
+
+    // O: object number of first page
+    std::vector<QPDFObjectHandle> const& pages = getAllPages();
+    if (p.first_page_object != pages[0].getObjectID())
+    {
+	QTC::TC("qpdf", "QPDF err /O mismatch");
+	errors.push_back("first page object (/O) mismatch");
+    }
+
+    // N: number of pages
+    int npages = pages.size();
+    if (p.npages != npages)
+    {
+	// Not tested in the test suite
+	errors.push_back("page count (/N) mismatch");
+    }
+
+    for (int i = 0; i < npages; ++i)
+    {
+	QPDFObjectHandle const& page = pages[i];
+	ObjGen og(page.getObjectID(), page.getGeneration());
+	if (this->xref_table[og].getType() == 2)
+	{
+	    errors.push_back("page dictionary for page " +
+			     QUtil::int_to_string(i) + " is compressed");
+	}
+    }
+
+    // T: offset of whitespace character preceding xref entry for object 0
+    this->file.seek(p.xref_zero_offset, SEEK_SET);
+    while (1)
+    {
+	char ch;
+	this->file.read(&ch, 1);
+	if (! ((ch == ' ') || (ch == '\r') || (ch == '\n')))
+	{
+	    this->file.seek(-1, SEEK_CUR);
+	    break;
+	}
+    }
+    if (this->file.tell() != this->first_xref_item_offset)
+    {
+	QTC::TC("qpdf", "QPDF err /T mismatch");
+	errors.push_back("space before first xref item (/T) mismatch "
+			 "(computed = " +
+			 QUtil::int_to_string(this->first_xref_item_offset) +
+			 "; file = " + QUtil::int_to_string(this->file.tell()));
+    }
+
+    // P: first page number -- Implementation note 124 says Acrobat
+    // ignores this value, so we will too.
+
+    // Check numbering of compressed objects in each xref section.
+    // For linearized files, all compressed objects are supposed to be
+    // at the end of the containing xref section if any object streams
+    // are in use.
+
+    if (this->uncompressed_after_compressed)
+    {
+	errors.push_back("linearized file contains an uncompressed object"
+			 " after a compressed one in a cross-reference stream");
+    }
+
+    // Further checking requires optimization and order calculation.
+    // Don't allow optimization to make changes.  If it has to, then
+    // the file is not properly linearized.  We use the xref table to
+    // figure out which objects are compressed and which are
+    // uncompressed.
+    { // local scope
+	std::map<int, int> object_stream_data;
+	for (std::map<ObjGen, QPDFXRefEntry>::const_iterator iter =
+		 this->xref_table.begin();
+	     iter != this->xref_table.end(); ++iter)
+	{
+	    ObjGen const& og = (*iter).first;
+	    QPDFXRefEntry const& entry = (*iter).second;
+	    if (entry.getType() == 2)
+	    {
+		object_stream_data[og.obj] = entry.getObjStreamNumber();
+	    }
+	}
+	optimize(object_stream_data, false);
+	calculateLinearizationData(object_stream_data);
+    }
+
+    // E: offset of end of first page -- Implementation note 123 says
+    // Acrobat includes on extra object here by mistake.  pdlin fails
+    // to place thumbnail images in section 9, so when thumbnails are
+    // present, it also gets the wrong value for /E.  It also doesn't
+    // count outlines here when it should even though it places them
+    // in part 6.  This code fails to put thread information
+    // dictionaries in part 9, so it actually gets the wrong value for
+    // E when threads are present.  In that case, it would probably
+    // agree with pdlin.  As of this writing, the test suite doesn't
+    // contain any files with threads.
+
+    assert(! this->part6.empty());
+    int min_E = -1;
+    int max_E = -1;
+    for (std::vector<QPDFObjectHandle>::iterator iter = this->part6.begin();
+	 iter != this->part6.end(); ++iter)
+    {
+	ObjGen og((*iter).getObjectID(), (*iter).getGeneration());
+	// All objects have to have been dereferenced to be classified.
+	assert(this->obj_cache.count(og) > 0);
+	ObjCache const& oc = this->obj_cache[og];
+	min_E = std::max(min_E, (int)oc.end_before_space);
+	max_E = std::max(max_E, (int)oc.end_after_space);
+    }
+    if ((p.first_page_end < min_E) || (p.first_page_end > max_E))
+    {
+	QTC::TC("qpdf", "QPDF warn /E mismatch");
+	warnings.push_back("end of first page section (/E) mismatch: /E = " +
+			   QUtil::int_to_string(p.first_page_end) +
+			   "; computed = " +
+			   QUtil::int_to_string(min_E) + ".." +
+			   QUtil::int_to_string(max_E));
+    }
+
+    // Check hint tables
+
+    std::map<int, int> shared_idx_to_obj;
+    checkHSharedObject(errors, warnings, pages, shared_idx_to_obj);
+    checkHPageOffset(errors, warnings, pages, shared_idx_to_obj);
+    checkHOutlines(warnings);
+
+    // Report errors
+
+    bool result = true;
+
+    if (! errors.empty())
+    {
+	result = false;
+	for (std::list<std::string>::iterator iter = errors.begin();
+	     iter != errors.end(); ++iter)
+	{
+	    std::cout << "ERROR: " << (*iter) << std::endl;
+	}
+    }
+
+    if (! warnings.empty())
+    {
+	result = false;
+	for (std::list<std::string>::iterator iter = warnings.begin();
+	     iter != warnings.end(); ++iter)
+	{
+	    std::cout << "WARNING: " << (*iter) << std::endl;
+	}
+    }
+
+    return result;
+}
+
+int
+QPDF::maxEnd(ObjUser const& ou)
+{
+    assert(this->obj_user_to_objects.count(ou) > 0);
+    std::set<ObjGen> const& ogs = this->obj_user_to_objects[ou];
+    int end = 0;
+    for (std::set<ObjGen>::iterator iter = ogs.begin();
+	 iter != ogs.end(); ++iter)
+    {
+	ObjGen const& og = *iter;
+	assert(this->obj_cache.count(og) > 0);
+	end = std::max(
+	    end, (int)(this->obj_cache[og].end_after_space));
+    }
+    return end;
+}
+
+int
+QPDF::getLinearizationOffset(ObjGen const& og)
+{
+    QPDFXRefEntry entry = this->xref_table[og];
+    int result = 0;
+    switch (entry.getType())
+    {
+      case 1:
+	result = entry.getOffset();
+	break;
+
+      case 2:
+	// For compressed objects, return the offset of the object
+	// stream that contains them.
+	result = getLinearizationOffset(ObjGen(entry.getObjStreamNumber(), 0));
+	break;
+
+      default:
+	throw QPDFExc(
+	    this->file.getName(), 0,
+	    "getLinearizationOffset called for xref entry not of type 1 or 2");
+	break;
+    }
+    return result;
+}
+
+QPDFObjectHandle
+QPDF::getUncompressedObject(QPDFObjectHandle& obj,
+			    std::map<int, int> const& object_stream_data)
+{
+    if (obj.isNull() || (object_stream_data.count(obj.getObjectID()) == 0))
+    {
+	return obj;
+    }
+    else
+    {
+	int repl = (*(object_stream_data.find(obj.getObjectID()))).second;
+	return objGenToIndirect(ObjGen(repl, 0));
+    }
+}
+
+int
+QPDF::lengthNextN(int first_object, int n,
+		  std::list<std::string>& errors)
+{
+    int length = 0;
+    for (int i = 0; i < n; ++i)
+    {
+	ObjGen og(first_object + i, 0);
+	if (this->xref_table.count(og) == 0)
+	{
+	    errors.push_back(
+		"no xref table entry for " +
+		QUtil::int_to_string(first_object + i) + " 0");
+	}
+	else
+	{
+	    assert(this->obj_cache.count(og) > 0);
+	    length += this->obj_cache[og].end_after_space -
+		getLinearizationOffset(og);
+	}
+    }
+    return length;
+}
+
+void
+QPDF::checkHPageOffset(std::list<std::string>& errors,
+		       std::list<std::string>& warnings,
+		       std::vector<QPDFObjectHandle> const& pages,
+		       std::map<int, int>& shared_idx_to_obj)
+{
+    // Implementation note 126 says Acrobat always sets
+    // delta_content_offset and delta_content_length in the page
+    // offset header dictionary to 0.  It also states that
+    // min_content_offset in the per-page information is always 0,
+    // which is an incorrect value.
+
+    // Implementation note 127 explains that Acrobat always sets item
+    // 8 (min_content_length) to zero, item 9
+    // (nbits_delta_content_length) to the value of item 5
+    // (nbits_delta_page_length), and item 7 of each per-page hint
+    // table (delta_content_length) to item 2 (delta_page_length) of
+    // that entry.  Acrobat ignores these values when reading files.
+
+    // Empirically, it also seems that Acrobat sometimes puts items
+    // under a page's /Resources dictionary in with shared objects
+    // even when they are private.
+
+    unsigned int npages = pages.size();
+    int table_offset = adjusted_offset(
+	this->page_offset_hints.first_page_offset);
+    ObjGen first_page_og(pages[0].getObjectID(), pages[0].getGeneration());
+    assert(this->xref_table.count(first_page_og) > 0);
+    int offset = getLinearizationOffset(first_page_og);
+    if (table_offset != offset)
+    {
+	warnings.push_back("first page object offset mismatch");
+    }
+
+    for (unsigned int pageno = 0; pageno < npages; ++pageno)
+    {
+	ObjGen page_og(pages[pageno].getObjectID(),
+		       pages[pageno].getGeneration());
+	int first_object = page_og.obj;
+	assert(this->xref_table.count(page_og) > 0);
+	offset = getLinearizationOffset(page_og);
+
+	HPageOffsetEntry& he = this->page_offset_hints.entries[pageno];
+	CHPageOffsetEntry& ce = this->c_page_offset_data.entries[pageno];
+	int h_nobjects = he.delta_nobjects +
+	    this->page_offset_hints.min_nobjects;
+	if (h_nobjects != ce.nobjects)
+	{
+	    // This happens with pdlin when there are thumbnails.
+	    warnings.push_back(
+		"object count mismatch for page " +
+		QUtil::int_to_string(pageno) + ": hint table = " +
+		QUtil::int_to_string(h_nobjects) + "; computed = " +
+		QUtil::int_to_string(ce.nobjects));
+	}
+
+	// Use value for number of objects in hint table rather than
+	// computed value if there is a discrepancy.
+	int length = lengthNextN(first_object, h_nobjects, errors);
+	int h_length = he.delta_page_length +
+	    this->page_offset_hints.min_page_length;
+	if (length != h_length)
+	{
+	    // This condition almost certainly indicates a bad hint
+	    // table or a bug in this code.
+	    errors.push_back(
+		"page length mismatch for page " +
+		QUtil::int_to_string(pageno) + ": hint table = " +
+		QUtil::int_to_string(h_length) + "; computed length = " +
+		QUtil::int_to_string(length) + " (offset = " +
+		QUtil::int_to_string(offset) + ")");
+	}
+
+	offset += h_length;
+
+	// Translate shared object indexes to object numbers.
+	std::set<int> hint_shared;
+	std::set<int> computed_shared;
+
+	if ((pageno == 0) && (he.nshared_objects > 0))
+	{
+	    // pdlin and Acrobat both do this even though the spec
+	    // states clearly and unambiguously that they should not.
+	    warnings.push_back("page 0 has shared identifier entries");
+	}
+
+	for (int i = 0; i < he.nshared_objects; ++i)
+	{
+	    int idx = he.shared_identifiers[i];
+	    assert(shared_idx_to_obj.count(idx) > 0);
+	    hint_shared.insert(shared_idx_to_obj[idx]);
+	}
+
+	for (int i = 0; i < ce.nshared_objects; ++i)
+	{
+	    int idx = ce.shared_identifiers[i];
+	    assert(idx < this->c_shared_object_data.nshared_total);
+	    int obj = this->c_shared_object_data.entries[idx].object;
+	    computed_shared.insert(obj);
+	}
+
+	for (std::set<int>::iterator iter = hint_shared.begin();
+	     iter != hint_shared.end(); ++iter)
+	{
+	    if (! computed_shared.count(*iter))
+	    {
+		// pdlin puts thumbnails here even though it shouldn't
+		warnings.push_back(
+		    "page " + QUtil::int_to_string(pageno) +
+		    ": shared object " + QUtil::int_to_string(*iter) +
+		    ": in hint table but not computed list");
+	    }
+	}
+
+	for (std::set<int>::iterator iter = computed_shared.begin();
+	     iter != computed_shared.end(); ++iter)
+	{
+	    if (! hint_shared.count(*iter))
+	    {
+		// Acrobat does not put some things including at least
+		// built-in fonts and procsets here, at least in some
+		// cases.
+		warnings.push_back(
+		    "page " + QUtil::int_to_string(pageno) +
+		    ": shared object " + QUtil::int_to_string(*iter) +
+		    ": in computed list but not hint table");
+	    }
+	}
+    }
+}
+
+void
+QPDF::checkHSharedObject(std::list<std::string>& errors,
+			 std::list<std::string>& warnings,
+			 std::vector<QPDFObjectHandle> const& pages,
+			 std::map<int, int>& idx_to_obj)
+{
+    // Implementation note 125 says shared object groups always
+    // contain only one object.  Implementation note 128 says that
+    // Acrobat always nbits_nobjects to zero.  Implementation note 130
+    // says that Acrobat does not support more than one shared object
+    // per group.  These are all consistent.
+
+    // Implementation note 129 states that MD5 signatures are not
+    // implemented in Acrobat, so signature_present must always be
+    // zero.
+
+    // Implementation note 131 states that first_shared_obj and
+    // first_shared_offset have meaningless values for single-page
+    // files.
+
+    // Empirically, Acrobat and pdlin generate incorrect values for
+    // these whenever there are no shared objects not referenced by
+    // the first page (i.e., nshared_total == nshared_first_page).
+
+    HSharedObject& so = this->shared_object_hints;
+    if (so.nshared_total < so.nshared_first_page)
+    {
+	errors.push_back("shared object hint table: ntotal < nfirst_page");
+    }
+    else
+    {
+	// The first nshared_first_page objects are consecutive
+	// objects starting with the first page object.  The rest are
+	// consecutive starting from the first_shared_obj object.
+	int cur_object = pages[0].getObjectID();
+	for (int i = 0; i < so.nshared_total; ++i)
+	{
+	    if (i == so.nshared_first_page)
+	    {
+		QTC::TC("qpdf", "QPDF lin check shared past first page");
+		if (this->part8.empty())
+		{
+		    errors.push_back(
+			"part 8 is empty but nshared_total > "
+			"nshared_first_page");
+		}
+		else
+		{
+		    int obj = this->part8[0].getObjectID();
+		    if (obj != so.first_shared_obj)
+		    {
+			errors.push_back(
+			    "first shared object number mismatch: "
+			    "hint table = " +
+			    QUtil::int_to_string(so.first_shared_obj) +
+			    "; computed = " +
+			    QUtil::int_to_string(obj));
+		    }
+		}
+
+		cur_object = so.first_shared_obj;
+
+		ObjGen og(cur_object, 0);
+		assert(this->xref_table.count(og) > 0);
+		int offset = getLinearizationOffset(og);
+		int h_offset = adjusted_offset(so.first_shared_offset);
+		if (offset != h_offset)
+		{
+		    errors.push_back(
+			"first shared object offset mismatch: hint table = " +
+			QUtil::int_to_string(h_offset) + "; computed = " +
+			QUtil::int_to_string(offset));
+		}
+	    }
+
+	    idx_to_obj[i] = cur_object;
+	    HSharedObjectEntry& se = so.entries[i];
+	    int nobjects = se.nobjects_minus_one + 1;
+	    int length = lengthNextN(cur_object, nobjects, errors);
+	    int h_length = so.min_group_length + se.delta_group_length;
+	    if (length != h_length)
+	    {
+		errors.push_back(
+		    "shared object " + QUtil::int_to_string(i) +
+		    " length mismatch: hint table = " +
+		    QUtil::int_to_string(h_length) + "; computed = " +
+		    QUtil::int_to_string(length));
+	    }
+	    cur_object += nobjects;
+	}
+    }
+}
+
+void
+QPDF::checkHOutlines(std::list<std::string>& warnings)
+{
+    // Empirically, Acrobat generates the correct value for the object
+    // number but incorrectly stores the next object number's offset
+    // as the offset, at least when outlines appear in part 6.  It
+    // also generates an incorrect value for length (specifically, the
+    // length that would cover the correct number of objects from the
+    // wrong starting place).  pdlin appears to generate correct
+    // values in those cases.
+
+    if (this->c_outline_data.nobjects == this->outline_hints.nobjects)
+    {
+	if (this->c_outline_data.nobjects == 0)
+	{
+	    return;
+	}
+
+	if (this->c_outline_data.first_object ==
+	    this->outline_hints.first_object)
+	{
+	    // Check length and offset.  Acrobat gets these wrong.
+	    QPDFObjectHandle outlines = getRoot().getKey("/Outlines");
+	    ObjGen og(outlines.getObjectID(), outlines.getGeneration());
+	    assert(this->xref_table.count(og) > 0);
+	    int offset = getLinearizationOffset(og);
+	    ObjUser ou(ObjUser::ou_root_key, "/Outlines");
+	    int length = maxEnd(ou) - offset;
+	    int table_offset =
+		adjusted_offset(this->outline_hints.first_object_offset);
+	    if (offset != table_offset)
+	    {
+		warnings.push_back(
+		    "incorrect offset in outlines table: hint table = " +
+		    QUtil::int_to_string(table_offset) +
+		    "; computed = " + QUtil::int_to_string(offset));
+	    }
+	    int table_length = this->outline_hints.group_length;
+	    if (length != table_length)
+	    {
+		warnings.push_back(
+		    "incorrect length in outlines table: hint table = " +
+		    QUtil::int_to_string(table_length) +
+		    "; computed = " + QUtil::int_to_string(length));
+	    }
+	}
+	else
+	{
+	    warnings.push_back("incorrect first object number in outline "
+			       "hints table.");
+	}
+    }
+    else
+    {
+	warnings.push_back("incorrect object count in outline hint table");
+    }
+}
+
+void
+QPDF::showLinearizationData()
+{
+    try
+    {
+	readLinearizationData();
+	checkLinearizationInternal();
+	dumpLinearizationDataInternal();
+    }
+    catch (QPDFExc& e)
+    {
+	std::cout << e.what() << std::endl;
+    }
+}
+
+void
+QPDF::dumpLinearizationDataInternal()
+{
+    std::cout << this->file.getName() << ": linearization data:" << std::endl
+	      << std::endl;
+
+    std::cout
+	<< "file_size: " << this->linp.file_size << std::endl
+	<< "first_page_object: " << this->linp.first_page_object << std::endl
+	<< "first_page_end: " << this->linp.first_page_end << std::endl
+	<< "npages: " << this->linp.npages << std::endl
+	<< "xref_zero_offset: " << this->linp.xref_zero_offset << std::endl
+	<< "first_page: " << this->linp.first_page << std::endl
+	<< "H_offset: " << this->linp.H_offset << std::endl
+	<< "H_length: " << this->linp.H_length << std::endl
+	<< std::endl;
+
+    std::cout << "Page Offsets Hint Table" << std::endl
+	      << std::endl;
+    dumpHPageOffset();
+    std::cout << std::endl
+	      << "Shared Objects Hint Table" << std::endl
+	      << std::endl;
+    dumpHSharedObject();
+
+    if (this->outline_hints.nobjects > 0)
+    {
+	std::cout << std::endl
+		  << "Outlines Hint Table" << std::endl
+		  << std::endl;
+	dumpHGeneric(this->outline_hints);
+    }
+}
+
+int
+QPDF::adjusted_offset(int offset)
+{
+    // All offsets >= H_offset have to be increased by H_length
+    // since all hint table location values disregard the hint table
+    // itself.
+    if (offset >= this->linp.H_offset)
+    {
+	return offset + this->linp.H_length;
+    }
+    return offset;
+}
+
+
+void
+QPDF::dumpHPageOffset()
+{
+    HPageOffset& t = this->page_offset_hints;
+    std::cout
+	<< "min_nobjects: " << t.min_nobjects
+	<< std::endl
+	<< "first_page_offset: " << adjusted_offset(t.first_page_offset)
+	<< std::endl
+	<< "nbits_delta_nobjects: " << t.nbits_delta_nobjects
+	<< std::endl
+	<< "min_page_length: " << t.min_page_length
+	<< std::endl
+	<< "nbits_delta_page_length: " << t.nbits_delta_page_length
+	<< std::endl
+	<< "min_content_offset: " << t.min_content_offset
+	<< std::endl
+	<< "nbits_delta_content_offset: " << t.nbits_delta_content_offset
+	<< std::endl
+	<< "min_content_length: " << t.min_content_length
+	<< std::endl
+	<< "nbits_delta_content_length: " << t.nbits_delta_content_length
+	<< std::endl
+	<< "nbits_nshared_objects: " << t.nbits_nshared_objects
+	<< std::endl
+	<< "nbits_shared_identifier: " << t.nbits_shared_identifier
+	<< std::endl
+	<< "nbits_shared_numerator: " << t.nbits_shared_numerator
+	<< std::endl
+	<< "shared_denominator: " << t.shared_denominator
+	<< std::endl;
+
+    for (int i1 = 0; i1 < this->linp.npages; ++i1)
+    {
+	HPageOffsetEntry& pe = t.entries[i1];
+	std::cout
+	    << "Page " << i1 << ":" << std::endl
+	    << "  nobjects: " << pe.delta_nobjects + t.min_nobjects
+	    << std::endl
+	    << "  length: " << pe.delta_page_length + t.min_page_length
+	    << std::endl
+	    // content offset is relative to page, not file
+	    << "  content_offset: "
+	    << pe.delta_content_offset + t.min_content_offset << std::endl
+	    << "  content_length: "
+	    << pe.delta_content_length + t.min_content_length << std::endl
+	    << "  nshared_objects: " << pe.nshared_objects << std::endl;
+	for (int i2 = 0; i2 < pe.nshared_objects; ++i2)
+	{
+	    std::cout << "    identifier " << i2 << ": "
+		      << pe.shared_identifiers[i2] << std::endl;
+	    std::cout << "    numerator " << i2 << ": "
+		      << pe.shared_numerators[i2] << std::endl;
+	}
+    }
+}
+
+void
+QPDF::dumpHSharedObject()
+{
+    HSharedObject& t = this->shared_object_hints;
+    std::cout
+	<< "first_shared_obj: " << t.first_shared_obj
+	<< std::endl
+	<< "first_shared_offset: " << adjusted_offset(t.first_shared_offset)
+	<< std::endl
+	<< "nshared_first_page: " << t.nshared_first_page
+	<< std::endl
+	<< "nshared_total: " << t.nshared_total
+	<< std::endl
+	<< "nbits_nobjects: " << t.nbits_nobjects
+	<< std::endl
+	<< "min_group_length: " << t.min_group_length
+	<< std::endl
+	<< "nbits_delta_group_length: " << t.nbits_delta_group_length
+	<< std::endl;
+
+    for (int i = 0; i < t.nshared_total; ++i)
+    {
+	HSharedObjectEntry& se = t.entries[i];
+	std::cout << "Shared Object " << i << ":" << std::endl;
+	std::cout << "  group length: "
+		  << se.delta_group_length + t.min_group_length << std::endl;
+	// PDF spec says signature present nobjects_minus_one are
+	// always 0, so print them only if they have a non-zero value.
+	if (se.signature_present)
+	{
+	    std::cout << "  signature present" << std::endl;
+	}
+	if (se.nobjects_minus_one != 0)
+	{
+	    std::cout << "  nobjects: "
+		      << se.nobjects_minus_one + 1 << std::endl;
+	}
+    }
+}
+
+void
+QPDF::dumpHGeneric(HGeneric& t)
+{
+    std::cout
+	<< "first_object: " << t.first_object
+	<< std::endl
+	<< "first_object_offset: " << adjusted_offset(t.first_object_offset)
+	<< std::endl
+	<< "nobjects: " << t.nobjects
+	<< std::endl
+	<< "group_length: " << t.group_length
+	<< std::endl;
+}
+
+QPDFObjectHandle
+QPDF::objGenToIndirect(ObjGen const& og)
+{
+    return getObjectByID(og.obj, og.gen);
+}
+
+void
+QPDF::calculateLinearizationData(std::map<int, int> const& object_stream_data)
+{
+    // This function calculates the ordering of objects, divides them
+    // into the appropriate parts, and computes some values for the
+    // linearization parameter dictionary and hint tables.  The file
+    // must be optimized (via calling optimize()) prior to calling
+    // this function.  Note that actual offsets and lengths are not
+    // computed here, but anything related to object ordering is.
+
+    if (this->object_to_obj_users.empty())
+    {
+	// Note that we can't call optimize here because we don't know
+	// whether it should be called with or without allow changes.
+	throw QEXC::Internal("QPDF::calculateLinearizationData "
+			     "called before optimize()");
+    }
+
+    // Separate objects into the categories sufficient for us to
+    // determine which part of the linearized file should contain the
+    // object.  This categorization is useful for other purposes as
+    // well.  Part numbers refer to version 1.4 of the PDF spec.
+
+    // Parts 1, 3, 5, 10, and 11 don't contain any objects from the
+    // original file (except the trailer dictionary in part 11).
+
+    // Part 4 is the document catalog (root) and the following root
+    // keys: /ViewerPreferences, /PageMode, /Threads, /OpenAction,
+    // /AcroForm, /Encrypt.  Note that Thread information dictionaries
+    // are supposed to appear in part 9, but we are disregarding that
+    // recommendation for now.
+
+    // Part 6 is the first page section.  It includes all remaining
+    // objects referenced by the first page including shared objects
+    // but not including thumbnails.  Additionally, if /PageMode is
+    // /Outlines, then information from /Outlines also appears here.
+
+    // Part 7 contains remaining objects private to pages other than
+    // the first page.
+
+    // Part 8 contains all remaining shared objects except those that
+    // are shared only within thumbnails.
+
+    // Part 9 contains all remaining objects.
+
+    // We sort objects into the following categories:
+
+    //   * open_document: part 4
+
+    //   * first_page_private: part 6
+
+    //   * first_page_shared: part 6
+
+    //   * other_page_private: part 7
+
+    //   * other_page_shared: part 8
+
+    //   * thumbnail_private: part 9
+
+    //   * thumbnail_shared: part 9
+
+    //   * other: part 9
+
+    //   * outlines: part 6 or 9
+
+    QPDFObjectHandle root = getRoot();
+    bool outlines_in_first_page = false;
+    QPDFObjectHandle pagemode = root.getKey("/PageMode");
+    QTC::TC("qpdf", "QPDF categorize pagemode present",
+	    pagemode.isName() ? 1 : 0);
+    if (pagemode.isName())
+    {
+	if (pagemode.getName() == "/UseOutlines")
+	{
+	    if (root.hasKey("/Outlines"))
+	    {
+		outlines_in_first_page = true;
+	    }
+	    else
+	    {
+		QTC::TC("qpdf", "QPDF UseOutlines but no Outlines");
+	    }
+	}
+	QTC::TC("qpdf", "QPDF categorize pagemode outlines",
+		outlines_in_first_page ? 1 : 0);
+    }
+
+    std::set<std::string> open_document_keys;
+    open_document_keys.insert("/ViewerPreferences");
+    open_document_keys.insert("/PageMode");
+    open_document_keys.insert("/Threads");
+    open_document_keys.insert("/OpenAction");
+    open_document_keys.insert("/AcroForm");
+
+    std::set<ObjGen> lc_open_document;
+    std::set<ObjGen> lc_first_page_private;
+    std::set<ObjGen> lc_first_page_shared;
+    std::set<ObjGen> lc_other_page_private;
+    std::set<ObjGen> lc_other_page_shared;
+    std::set<ObjGen> lc_thumbnail_private;
+    std::set<ObjGen> lc_thumbnail_shared;
+    std::set<ObjGen> lc_other;
+    std::set<ObjGen> lc_outlines;
+    std::set<ObjGen> lc_root;
+
+    for (std::map<ObjGen, std::set<ObjUser> >::iterator oiter =
+	     this->object_to_obj_users.begin();
+	 oiter != this->object_to_obj_users.end(); ++oiter)
+    {
+	ObjGen const& og = (*oiter).first;
+
+	std::set<ObjUser>& ous = (*oiter).second;
+
+	bool in_open_document = false;
+	bool in_first_page = false;
+	int other_pages = 0;
+	int thumbs = 0;
+	int others = 0;
+	bool in_outlines = false;
+	bool is_root = false;
+
+	for (std::set<ObjUser>::iterator uiter = ous.begin();
+	     uiter != ous.end(); ++uiter)
+	{
+	    ObjUser const& ou = *uiter;
+	    switch (ou.ou_type)
+	    {
+	      case ObjUser::ou_trailer_key:
+		if (ou.key == "/Encrypt")
+		{
+		    in_open_document = true;
+		}
+		else
+		{
+		    ++others;
+		}
+		break;
+
+	      case ObjUser::ou_thumb:
+		++thumbs;
+		break;
+
+	      case ObjUser::ou_root_key:
+		if (open_document_keys.count(ou.key) > 0)
+		{
+		    in_open_document = true;
+		}
+		else if (ou.key == "/Outlines")
+		{
+		    in_outlines = true;
+		}
+		else
+		{
+		    ++others;
+		}
+		break;
+
+	      case ObjUser::ou_page:
+		if (ou.pageno == 0)
+		{
+		    in_first_page = true;
+		}
+		else
+		{
+		    ++other_pages;
+		}
+		break;
+
+	      case ObjUser::ou_root:
+		is_root = true;
+		break;
+
+	      case ObjUser::ou_bad:
+		throw QEXC::Internal("QPDF::calculateLinearizationData: "
+				     "invalid user type");
+		break;
+	    }
+	}
+
+	if (is_root)
+	{
+	    lc_root.insert(og);
+	}
+	else if (in_outlines)
+	{
+	    lc_outlines.insert(og);
+	}
+	else if (in_open_document)
+	{
+	    lc_open_document.insert(og);
+	}
+	else if ((in_first_page) &&
+		 (others == 0) && (other_pages == 0) && (thumbs == 0))
+	{
+	    lc_first_page_private.insert(og);
+	}
+	else if (in_first_page)
+	{
+	    lc_first_page_shared.insert(og);
+	}
+	else if ((other_pages == 1) && (others == 0) && (thumbs == 0))
+	{
+	    lc_other_page_private.insert(og);
+	}
+	else if (other_pages > 1)
+	{
+	    lc_other_page_shared.insert(og);
+	}
+	else if ((thumbs == 1) && (others == 0))
+	{
+	    lc_thumbnail_private.insert(og);
+	}
+	else if (thumbs > 1)
+	{
+	    lc_thumbnail_shared.insert(og);
+	}
+	else
+	{
+	    lc_other.insert(og);
+	}
+    }
+
+    // Generate ordering for objects in the output file.  Sometimes we
+    // just dump right from a set into a vector.  Rather than
+    // optimizing this by going straight into the vector, we'll leave
+    // these phases separate for now.  That way, this section can be
+    // concerned only with ordering, and the above section can be
+    // considered only with categorization.  Note that sets of ObjGens
+    // are sorted by ObjGen.  In a linearized file, objects appear in
+    // sequence with the possible exception of hints tables which we
+    // won't see here anyway.  That means that running
+    // calculateLinearizationData() on a linearized file should give
+    // results identical to the original file ordering.
+
+    // We seem to traverse the page tree a lot in this code, but we
+    // can address this for a future code optimization if necessary.
+    // Premature optimization is the root of all evil.
+    std::vector<QPDFObjectHandle> pages;
+    { // local scope
+	// Map all page objects to the containing object stream.  This
+	// should be a no-op in a properly linearized file.
+	std::vector<QPDFObjectHandle> t = getAllPages();
+	for (std::vector<QPDFObjectHandle>::iterator iter = t.begin();
+	     iter != t.end(); ++iter)
+	{
+	    pages.push_back(getUncompressedObject(*iter, object_stream_data));
+	}
+    }
+    unsigned int npages = pages.size();
+
+    // We will be initializing some values of the computed hint
+    // tables.  Specifically, we can initialize any items that deal
+    // with object numbers or counts but not any items that deal with
+    // lengths or offsets.  The code that writes linearized files will
+    // have to fill in these values during the first pass.  The
+    // validation code can compute them relatively easily given the
+    // rest of the information.
+
+    this->c_linp.npages = npages;
+    this->c_page_offset_data.entries = 	std::vector<CHPageOffsetEntry>(npages);
+
+    // Part 4: open document objects.  We don't care about the order.
+
+    assert(lc_root.size() == 1);
+    this->part4.push_back(objGenToIndirect(*(lc_root.begin())));
+    for (std::set<ObjGen>::iterator iter = lc_open_document.begin();
+	 iter != lc_open_document.end(); ++iter)
+    {
+	this->part4.push_back(objGenToIndirect(*iter));
+    }
+
+    // Part 6: first page objects.  Note: implementation note 124
+    // states that Acrobat always treats page 0 as the first page for
+    // linearization regardless of /OpenAction.  pdlin doesn't provide
+    // any option to set this and also disregards /OpenAction.  We
+    // will do the same.
+
+    // First, place the actual first page object itself.
+    ObjGen first_page_og(pages[0].getObjectID(), pages[0].getGeneration());
+    if (! lc_first_page_private.count(first_page_og))
+    {
+	throw QEXC::Internal("QPDF::calculateLinearizationData: first page "
+			     "object not in lc_first_page_private");
+    }
+    lc_first_page_private.erase(first_page_og);
+    this->c_linp.first_page_object = pages[0].getObjectID();
+    this->part6.push_back(pages[0]);
+
+    // The PDF spec "recommends" an order for the rest of the objects,
+    // but we are going to disregard it except to the extent that it
+    // groups private and shared objects contiguously for the sake of
+    // hint tables.
+
+    for (std::set<ObjGen>::iterator iter = lc_first_page_private.begin();
+	 iter != lc_first_page_private.end(); ++iter)
+    {
+	this->part6.push_back(objGenToIndirect(*iter));
+    }
+
+    for (std::set<ObjGen>::iterator iter = lc_first_page_shared.begin();
+	 iter != lc_first_page_shared.end(); ++iter)
+    {
+	this->part6.push_back(objGenToIndirect(*iter));
+    }
+
+    // Place the outline dictionary if it goes in the first page section.
+    if (outlines_in_first_page)
+    {
+	pushOutlinesToPart(this->part6, lc_outlines, object_stream_data);
+    }
+
+    // Fill in page offset hint table information for the first page.
+    // The PDF spec says that nshared_objects should be zero for the
+    // first page.  pdlin does not appear to obey this, but it fills
+    // in garbage values for all the shared object identifiers on the
+    // first page.
+
+    this->c_page_offset_data.entries[0].nobjects = this->part6.size();
+
+    // Part 7: other pages' private objects
+
+    // For each page in order:
+    for (unsigned int i = 1; i < npages; ++i)
+    {
+	// Place this page's page object
+
+	ObjGen page_og(pages[i].getObjectID(), pages[i].getGeneration());
+	if (! lc_other_page_private.count(page_og))
+	{
+	    throw QEXC::Internal(
+		"QPDF::calculateLinearizationData: page object for page " +
+		QUtil::int_to_string(i) + " not in lc_other_page_private");
+	}
+	lc_other_page_private.erase(page_og);
+	this->part7.push_back(pages[i]);
+
+	// Place all non-shared objects referenced by this page,
+	// updating the page object count for the hint table.
+
+	this->c_page_offset_data.entries[i].nobjects = 1;
+
+	ObjUser ou(ObjUser::ou_page, i);
+	assert(this->obj_user_to_objects.count(ou) > 0);
+	std::set<ObjGen> ogs = this->obj_user_to_objects[ou];
+	for (std::set<ObjGen>::iterator iter = ogs.begin();
+	     iter != ogs.end(); ++iter)
+	{
+	    ObjGen const& og = (*iter);
+	    if (lc_other_page_private.count(og))
+	    {
+		lc_other_page_private.erase(og);
+		this->part7.push_back(objGenToIndirect(og));
+		++this->c_page_offset_data.entries[i].nobjects;
+	    }
+	}
+    }
+    // That should have covered all part7 objects.
+    if (! lc_other_page_private.empty())
+    {
+	throw QEXC::Internal(
+	    "QPDF::calculateLinearizationData: lc_other_page_private is "
+	    "not empty after generation of part7");
+    }
+
+    // Part 8: other pages' shared objects
+
+    // Order is unimportant.
+    for (std::set<ObjGen>::iterator iter = lc_other_page_shared.begin();
+	 iter != lc_other_page_shared.end(); ++iter)
+    {
+	this->part8.push_back(objGenToIndirect(*iter));
+    }
+
+    // Part 9: other objects
+
+    // The PDF specification makes recommendations on ordering here.
+    // We follow them only to a limited extent.  Specifically, we put
+    // the pages tree first, then private thumbnail objects in page
+    // order, then shared thumbnail objects, and then outlines (unless
+    // in part 6).  After that, we throw all remaining objects in
+    // arbitrary order.
+
+    // Place the pages tree.
+    std::set<ObjGen> pages_ogs =
+	this->obj_user_to_objects[ObjUser(ObjUser::ou_root_key, "/Pages")];
+    assert(! pages_ogs.empty());
+    for (std::set<ObjGen>::iterator iter = pages_ogs.begin();
+	 iter != pages_ogs.end(); ++iter)
+    {
+	ObjGen const& og = *iter;
+	if (lc_other.count(og))
+	{
+	    lc_other.erase(og);
+	    this->part9.push_back(objGenToIndirect(og));
+	}
+    }
+
+    // Place private thumbnail images in page order.  Slightly more
+    // information would be required if we were going to bother with
+    // thumbnail hint tables.
+    for (unsigned int i = 0; i < npages; ++i)
+    {
+	QPDFObjectHandle thumb = pages[i].getKey("/Thumb");
+	thumb = getUncompressedObject(thumb, object_stream_data);
+	if (! thumb.isNull())
+	{
+	    // Output the thumbnail itself
+	    ObjGen thumb_og(thumb.getObjectID(), thumb.getGeneration());
+	    if (lc_thumbnail_private.count(thumb_og))
+	    {
+		lc_thumbnail_private.erase(thumb_og);
+		this->part9.push_back(thumb);
+	    }
+	    else
+	    {
+		// No internal error this time...there's nothing to
+		// stop this object from having been referred to
+		// somewhere else outside of a page's /Thumb, and if
+		// it had been, there's nothing to prevent it from
+		// having been in some set other than
+		// lc_thumbnail_private.
+	    }
+	    std::set<ObjGen>& ogs =
+		this->obj_user_to_objects[ObjUser(ObjUser::ou_thumb, i)];
+	    for (std::set<ObjGen>::iterator iter = ogs.begin();
+		 iter != ogs.end(); ++iter)
+	    {
+		ObjGen const& og = *iter;
+		if (lc_thumbnail_private.count(og))
+		{
+		    lc_thumbnail_private.erase(og);
+		    this->part9.push_back(objGenToIndirect(og));
+		}
+	    }
+	}
+    }
+    if (! lc_thumbnail_private.empty())
+    {
+	throw QEXC::Internal(
+	    "QPDF::calculateLinearizationData: lc_thumbnail_private "
+	    "not empty after placing thumbnails");
+    }
+
+    // Place shared thumbnail objects
+    for (std::set<ObjGen>::iterator iter = lc_thumbnail_shared.begin();
+	 iter != lc_thumbnail_shared.end(); ++iter)
+    {
+	this->part9.push_back(objGenToIndirect(*iter));
+    }
+
+    // Place outlines unless in first page
+    if (! outlines_in_first_page)
+    {
+	pushOutlinesToPart(this->part9, lc_outlines, object_stream_data);
+    }
+
+    // Place all remaining objects
+    for (std::set<ObjGen>::iterator iter = lc_other.begin();
+	 iter != lc_other.end(); ++iter)
+    {
+	this->part9.push_back(objGenToIndirect(*iter));
+    }
+
+    // Make sure we got everything exactly once.
+
+    unsigned int num_placed = this->part4.size() + this->part6.size() +
+	this->part7.size() + this->part8.size() + this->part9.size();
+    unsigned int num_wanted = this->object_to_obj_users.size();
+    if (num_placed != num_wanted)
+    {
+	throw QEXC::Internal("QPDF::calculateLinearizationData: wrong "
+			     "number of objects placed (num_placed = " +
+			     QUtil::int_to_string(num_placed) +
+			     "; number of objects: " +
+			     QUtil::int_to_string(num_wanted));
+    }
+
+    // Calculate shared object hint table information including
+    // references to shared objects from page offset hint data.
+
+    // The shared object hint table consists of all part 6 (whether
+    // shared or not) in order followed by all part 8 objects in
+    // order.  Add the objects to shared object data keeping a map of
+    // object number to index.  Then populate the shared object
+    // information for the pages.
+
+    // Note that two objects never have the same object number, so we
+    // can map from object number only without regards to generation.
+    std::map<int, int> obj_to_index;
+
+    this->c_shared_object_data.nshared_first_page = this->part6.size();
+    this->c_shared_object_data.nshared_total =
+	this->c_shared_object_data.nshared_first_page +
+	this->part8.size();
+
+    std::vector<CHSharedObjectEntry>& shared =
+	this->c_shared_object_data.entries;
+    for (std::vector<QPDFObjectHandle>::iterator iter = this->part6.begin();
+	 iter != this->part6.end(); ++iter)
+    {
+	QPDFObjectHandle& oh = *iter;
+	int obj = oh.getObjectID();
+	obj_to_index[obj] = shared.size();
+	shared.push_back(CHSharedObjectEntry(obj));
+    }
+    QTC::TC("qpdf", "QPDF lin part 8 empty", this->part8.empty() ? 1 : 0);
+    if (! this->part8.empty())
+    {
+	this->c_shared_object_data.first_shared_obj =
+	    this->part8[0].getObjectID();
+	for (std::vector<QPDFObjectHandle>::iterator iter =
+		 this->part8.begin();
+	     iter != this->part8.end(); ++iter)
+	{
+	    QPDFObjectHandle& oh = *iter;
+	    int obj = oh.getObjectID();
+	    obj_to_index[obj] = shared.size();
+	    shared.push_back(CHSharedObjectEntry(obj));
+	}
+    }
+    assert(this->c_shared_object_data.nshared_total ==
+	   (int) this->c_shared_object_data.entries.size());
+
+    // Now compute the list of shared objects for each page after the
+    // first page.
+
+    for (unsigned int i = 1; i < npages; ++i)
+    {
+	CHPageOffsetEntry& pe = this->c_page_offset_data.entries[i];
+	ObjUser ou(ObjUser::ou_page, i);
+	assert(this->obj_user_to_objects.count(ou) > 0);
+	std::set<ObjGen> const& ogs = this->obj_user_to_objects[ou];
+	for (std::set<ObjGen>::const_iterator iter = ogs.begin();
+	     iter != ogs.end(); ++iter)
+	{
+	    ObjGen const& og = *iter;
+	    if ((this->object_to_obj_users[og].size() > 1) &&
+		(obj_to_index.count(og.obj) > 0))
+	    {
+		int idx = obj_to_index[og.obj];
+		++pe.nshared_objects;
+		pe.shared_identifiers.push_back(idx);
+	    }
+	}
+    }
+}
+
+void
+QPDF::pushOutlinesToPart(
+    std::vector<QPDFObjectHandle>& part,
+    std::set<ObjGen>& lc_outlines,
+    std::map<int, int> const& object_stream_data)
+{
+    QPDFObjectHandle root = getRoot();
+    QPDFObjectHandle outlines = root.getKey("/Outlines");
+    if (outlines.isNull())
+    {
+	return;
+    }
+    outlines = getUncompressedObject(outlines, object_stream_data);
+    ObjGen outlines_og(outlines.getObjectID(), outlines.getGeneration());
+    QTC::TC("qpdf", "QPDF lin outlines in part",
+	    ((&part == (&this->part6)) ? 0
+	     : (&part == (&this->part9)) ? 1
+	     : 9999));		// can't happen
+    this->c_outline_data.first_object = outlines_og.obj;
+    this->c_outline_data.nobjects = 1;
+    lc_outlines.erase(outlines_og);
+    part.push_back(outlines);
+    for (std::set<ObjGen>::iterator iter = lc_outlines.begin();
+	 iter != lc_outlines.end(); ++iter)
+    {
+	part.push_back(objGenToIndirect(*iter));
+	++this->c_outline_data.nobjects;
+    }
+}
+
+void
+QPDF::getLinearizedParts(
+    std::map<int, int> const& object_stream_data,
+    std::vector<QPDFObjectHandle>& part4,
+    std::vector<QPDFObjectHandle>& part6,
+    std::vector<QPDFObjectHandle>& part7,
+    std::vector<QPDFObjectHandle>& part8,
+    std::vector<QPDFObjectHandle>& part9)
+{
+    calculateLinearizationData(object_stream_data);
+    part4 = this->part4;
+    part6 = this->part6;
+    part7 = this->part7;
+    part8 = this->part8;
+    part9 = this->part9;
+}
+
+static inline int nbits(int val)
+{
+    return (val == 0 ? 0 : (1 + nbits(val >> 1)));
+}
+
+int
+QPDF::outputLengthNextN(
+    int in_object, int n,
+    std::map<int, size_t> const& lengths,
+    std::map<int, int> const& obj_renumber)
+{
+    // Figure out the length of a series of n consecutive objects in
+    // the output file starting with whatever object in_object from
+    // the input file mapped to.
+
+    assert(obj_renumber.count(in_object) > 0);
+    int first = (*(obj_renumber.find(in_object))).second;
+    int length = 0;
+    for (int i = 0; i < n; ++i)
+    {
+	assert(lengths.count(first + i) > 0);
+	length += (*(lengths.find(first + i))).second;
+    }
+    return length;
+}
+
+void
+QPDF::calculateHPageOffset(
+    std::map<int, QPDFXRefEntry> const& xref,
+    std::map<int, size_t> const& lengths,
+    std::map<int, int> const& obj_renumber)
+{
+    // Page Offset Hint Table
+
+    // We are purposely leaving some values set to their initial zero
+    // values.
+
+    std::vector<QPDFObjectHandle> const& pages = getAllPages();
+    unsigned int npages = pages.size();
+    CHPageOffset& cph = this->c_page_offset_data;
+    std::vector<CHPageOffsetEntry>& cphe = cph.entries;
+
+    // Calculate minimum and maximum values for number of objects per
+    // page and page length.
+
+    int min_nobjects = cphe[0].nobjects;
+    int max_nobjects = min_nobjects;
+    int min_length = outputLengthNextN(
+	pages[0].getObjectID(), min_nobjects, lengths, obj_renumber);
+    int max_length = min_length;
+    int max_shared = cphe[0].nshared_objects;
+
+    HPageOffset& ph = this->page_offset_hints;
+    std::vector<HPageOffsetEntry>& phe = ph.entries;
+    phe = std::vector<HPageOffsetEntry>(npages);
+
+    for (unsigned int i = 0; i < npages; ++i)
+    {
+	// Calculate values for each page, assigning full values to
+	// the delta items.  They will be adjusted later.
+
+	// Repeat calculations for page 0 so we can assign to phe[i]
+	// without duplicating those assignments.
+
+	int nobjects = cphe[i].nobjects;
+	int length = outputLengthNextN(
+	    pages[i].getObjectID(), nobjects, lengths, obj_renumber);
+	int nshared = cphe[i].nshared_objects;
+
+	min_nobjects = std::min(min_nobjects, nobjects);
+	max_nobjects = std::max(max_nobjects, nobjects);
+	min_length = std::min(min_length, length);
+	max_length = std::max(max_length, length);
+	max_shared = std::max(max_shared, nshared);
+
+	phe[i].delta_nobjects = nobjects;
+	phe[i].delta_page_length = length;
+	phe[i].nshared_objects = nshared;
+    }
+
+    ph.min_nobjects = min_nobjects;
+    int in_page0_id = pages[0].getObjectID();
+    int out_page0_id = (*(obj_renumber.find(in_page0_id))).second;
+    ph.first_page_offset = (*(xref.find(out_page0_id))).second.getOffset();
+    ph.nbits_delta_nobjects = nbits(max_nobjects - min_nobjects);
+    ph.min_page_length = min_length;
+    ph.nbits_delta_page_length = nbits(max_length - min_length);
+    ph.nbits_nshared_objects = nbits(max_shared);
+    ph.nbits_shared_identifier =
+	nbits(this->c_shared_object_data.nshared_total);
+    ph.shared_denominator = 4;	// doesn't matter
+
+    // It isn't clear how to compute content offset and content
+    // length.  Since we are not interleaving page objects with the
+    // content stream, we'll use the same values for content length as
+    // page length.  We will use 0 as content offset because this is
+    // what Adobe does (implementation note 127) and pdlin as well.
+    ph.nbits_delta_content_length = ph.nbits_delta_page_length;
+    ph.min_content_length = ph.min_page_length;
+
+    for (unsigned int i = 0; i < npages; ++i)
+    {
+	// Adjust delta entries
+	assert(phe[i].delta_nobjects >= min_nobjects);
+	assert(phe[i].delta_page_length >= min_length);
+	phe[i].delta_nobjects -= min_nobjects;
+	phe[i].delta_page_length -= min_length;
+	phe[i].delta_content_length = phe[i].delta_page_length;
+
+	for (int j = 0; j < cphe[i].nshared_objects; ++j)
+	{
+	    phe[i].shared_identifiers.push_back(
+		cphe[i].shared_identifiers[j]);
+	    phe[i].shared_numerators.push_back(0);
+	}
+    }
+}
+
+void
+QPDF::calculateHSharedObject(
+    std::map<int, QPDFXRefEntry> const& xref,
+    std::map<int, size_t> const& lengths,
+    std::map<int, int> const& obj_renumber)
+{
+    CHSharedObject& cso = this->c_shared_object_data;
+    std::vector<CHSharedObjectEntry>& csoe = cso.entries;
+    HSharedObject& so = this->shared_object_hints;
+    std::vector<HSharedObjectEntry>& soe = so.entries;
+    soe = std::vector<HSharedObjectEntry>(cso.nshared_total);
+
+    int min_length = outputLengthNextN(
+	csoe[0].object, 1, lengths, obj_renumber);
+    int max_length = min_length;
+
+    for (int i = 0; i < cso.nshared_total; ++i)
+    {
+	// Assign absolute numbers to deltas; adjust later
+	int length = outputLengthNextN(
+	    csoe[i].object, 1, lengths, obj_renumber);
+	min_length = std::min(min_length, length);
+	max_length = std::max(max_length, length);
+	soe[i].delta_group_length = length;
+    }
+
+    so.nshared_total = cso.nshared_total;
+    so.nshared_first_page = cso.nshared_first_page;
+    if (so.nshared_total > so.nshared_first_page)
+    {
+	so.first_shared_obj =
+	    (*(obj_renumber.find(cso.first_shared_obj))).second;
+	so.first_shared_offset =
+	    (*(xref.find(so.first_shared_obj))).second.getOffset();
+    }
+    so.min_group_length = min_length;
+    so.nbits_delta_group_length = nbits(max_length - min_length);
+
+    for (int i = 0; i < cso.nshared_total; ++i)
+    {
+	// Adjust deltas
+	assert(soe[i].delta_group_length >= min_length);
+	soe[i].delta_group_length -= min_length;
+    }
+}
+
+void
+QPDF::calculateHOutline(
+    std::map<int, QPDFXRefEntry> const& xref,
+    std::map<int, size_t> const& lengths,
+    std::map<int, int> const& obj_renumber)
+{
+    HGeneric& cho = this->c_outline_data;
+
+    if (cho.nobjects == 0)
+    {
+	return;
+    }
+
+    HGeneric& ho = this->outline_hints;
+
+    ho.first_object =
+	(*(obj_renumber.find(cho.first_object))).second;
+    ho.first_object_offset =
+	(*(xref.find(ho.first_object))).second.getOffset();
+    ho.nobjects = cho.nobjects;
+    ho.group_length = outputLengthNextN(
+	cho.first_object, ho.nobjects, lengths, obj_renumber);
+}
+
+template <class T>
+static void
+write_vector_int(BitWriter& w, int nitems, std::vector<T>& vec,
+		 int bits, int T::*field)
+{
+    // nitems times, write bits bits from the given field of the ith
+    // vector to the given bit writer.
+
+    for (int i = 0; i < nitems; ++i)
+    {
+	w.writeBits(vec[i].*field, bits);
+    }
+    // The PDF spec says that each hint table starts at a byte
+    // boundary.  Each "row" actually must start on a byte boundary.
+    w.flush();
+}
+
+template <class T>
+static void
+write_vector_vector(BitWriter& w,
+		    int nitems1, std::vector<T>& vec1, int T::*nitems2,
+		    int bits, std::vector<int> T::*vec2)
+{
+    // nitems1 times, write nitems2 (from the ith element of vec1) items
+    // from the vec2 vector field of the ith item of vec1.
+    for (int i1 = 0; i1 < nitems1; ++i1)
+    {
+	for (int i2 = 0; i2 < vec1[i1].*nitems2; ++i2)
+	{
+	    w.writeBits((vec1[i1].*vec2)[i2], bits);
+	}
+    }
+    w.flush();
+}
+
+
+void
+QPDF::writeHPageOffset(BitWriter& w)
+{
+    HPageOffset& t = this->page_offset_hints;
+
+    w.writeBits(t.min_nobjects, 32);			    // 1
+    w.writeBits(t.first_page_offset, 32);		    // 2
+    w.writeBits(t.nbits_delta_nobjects, 16);		    // 3
+    w.writeBits(t.min_page_length, 32);			    // 4
+    w.writeBits(t.nbits_delta_page_length, 16);		    // 5
+    w.writeBits(t.min_content_offset, 32);		    // 6
+    w.writeBits(t.nbits_delta_content_offset, 16);	    // 7
+    w.writeBits(t.min_content_length, 32);		    // 8
+    w.writeBits(t.nbits_delta_content_length, 16);	    // 9
+    w.writeBits(t.nbits_nshared_objects, 16);		    // 10
+    w.writeBits(t.nbits_shared_identifier, 16);		    // 11
+    w.writeBits(t.nbits_shared_numerator, 16);		    // 12
+    w.writeBits(t.shared_denominator, 16);		    // 13
+
+    unsigned int nitems = getAllPages().size();
+    std::vector<HPageOffsetEntry>& entries = t.entries;
+
+    write_vector_int(w, nitems, entries,
+		     t.nbits_delta_nobjects,
+		     &HPageOffsetEntry::delta_nobjects);
+    write_vector_int(w, nitems, entries,
+		     t.nbits_delta_page_length,
+		     &HPageOffsetEntry::delta_page_length);
+    write_vector_int(w, nitems, entries,
+		     t.nbits_nshared_objects,
+		     &HPageOffsetEntry::nshared_objects);
+    write_vector_vector(w, nitems, entries,
+			&HPageOffsetEntry::nshared_objects,
+			t.nbits_shared_identifier,
+			&HPageOffsetEntry::shared_identifiers);
+    write_vector_vector(w, nitems, entries,
+			&HPageOffsetEntry::nshared_objects,
+			t.nbits_shared_numerator,
+			&HPageOffsetEntry::shared_numerators);
+    write_vector_int(w, nitems, entries,
+		     t.nbits_delta_content_offset,
+		     &HPageOffsetEntry::delta_content_offset);
+    write_vector_int(w, nitems, entries,
+		     t.nbits_delta_content_length,
+		     &HPageOffsetEntry::delta_content_length);
+}
+
+void
+QPDF::writeHSharedObject(BitWriter& w)
+{
+    HSharedObject& t = this->shared_object_hints;
+
+    w.writeBits(t.first_shared_obj, 32);		    // 1
+    w.writeBits(t.first_shared_offset, 32);		    // 2
+    w.writeBits(t.nshared_first_page, 32);		    // 3
+    w.writeBits(t.nshared_total, 32);			    // 4
+    w.writeBits(t.nbits_nobjects, 16);			    // 5
+    w.writeBits(t.min_group_length, 32);		    // 6
+    w.writeBits(t.nbits_delta_group_length, 16);	    // 7
+
+    QTC::TC("qpdf", "QPDF lin write nshared_total > nshared_first_page",
+	    (t.nshared_total > t.nshared_first_page) ? 1 : 0);
+
+    int nitems = t.nshared_total;
+    std::vector<HSharedObjectEntry>& entries = t.entries;
+
+    write_vector_int(w, nitems, entries,
+		     t.nbits_delta_group_length,
+		     &HSharedObjectEntry::delta_group_length);
+    write_vector_int(w, nitems, entries,
+		     1, &HSharedObjectEntry::signature_present);
+    for (int i = 0; i < nitems; ++i)
+    {
+	// If signature were present, we'd have to write a 128-bit hash.
+	assert(entries[i].signature_present == 0);
+    }
+    write_vector_int(w, nitems, entries,
+		     t.nbits_nobjects,
+		     &HSharedObjectEntry::nobjects_minus_one);
+}
+
+void
+QPDF::writeHGeneric(BitWriter& w, HGeneric& t)
+{
+    w.writeBits(t.first_object, 32);			    // 1
+    w.writeBits(t.first_object_offset, 32);		    // 2
+    w.writeBits(t.nobjects, 32);			    // 3
+    w.writeBits(t.group_length, 32);			    // 4
+}
+
+void
+QPDF::generateHintStream(std::map<int, QPDFXRefEntry> const& xref,
+			 std::map<int, size_t> const& lengths,
+			 std::map<int, int> const& obj_renumber,
+			 PointerHolder<Buffer>& hint_buffer,
+			 int& S, int& O)
+{
+    // Populate actual hint table values
+    calculateHPageOffset(xref, lengths, obj_renumber);
+    calculateHSharedObject(xref, lengths, obj_renumber);
+    calculateHOutline(xref, lengths, obj_renumber);
+
+    // Write the hint stream itself into a compressed memory buffer.
+    // Write through a couter so we can get offsets.
+    Pl_Buffer hint_stream("hint stream");
+    Pl_Flate f("compress hint stream", &hint_stream, Pl_Flate::a_deflate);
+    Pl_Count c("count", &f);
+    BitWriter w(&c);
+
+    writeHPageOffset(w);
+    S = c.getCount();
+    writeHSharedObject(w);
+    O = 0;
+    if (this->outline_hints.nobjects > 0)
+    {
+	O = c.getCount();
+	writeHGeneric(w, this->outline_hints);
+    }
+    c.finish();
+
+    hint_buffer = hint_stream.getBuffer();
+}
diff --git a/libqpdf/QPDF_optimization.cc b/libqpdf/QPDF_optimization.cc
new file mode 100644
index 00000000..8797445c
--- /dev/null
+++ b/libqpdf/QPDF_optimization.cc
@@ -0,0 +1,490 @@
+// See doc/optimization.
+
+#include <qpdf/QPDF.hh>
+
+#include <qpdf/QTC.hh>
+#include <qpdf/QPDFExc.hh>
+#include <qpdf/QPDF_Dictionary.hh>
+#include <qpdf/QPDF_Array.hh>
+#include <assert.h>
+
+QPDF::ObjUser::ObjUser() :
+    ou_type(ou_bad),
+    pageno(0)
+{
+}
+
+QPDF::ObjUser::ObjUser(user_e type) :
+    ou_type(type),
+    pageno(0)
+{
+    assert(type == ou_root);
+}
+
+QPDF::ObjUser::ObjUser(user_e type, int pageno) :
+    ou_type(type),
+    pageno(pageno)
+{
+    assert((type == ou_page) || (type == ou_thumb));
+}
+
+QPDF::ObjUser::ObjUser(user_e type, std::string const& key) :
+    ou_type(type),
+    pageno(0),
+    key(key)
+{
+    assert((type == ou_trailer_key) || (type == ou_root_key));
+}
+
+bool
+QPDF::ObjUser::operator<(ObjUser const& rhs) const
+{
+    if (this->ou_type < rhs.ou_type)
+    {
+	return true;
+    }
+    else if (this->ou_type == rhs.ou_type)
+    {
+	if (this->pageno < rhs.pageno)
+	{
+	    return true;
+	}
+	else if (this->pageno == rhs.pageno)
+	{
+	    return (this->key < rhs.key);
+	}
+    }
+
+    return false;
+}
+
+void
+QPDF::flattenScalarReferences()
+{
+    // Do a traversal of the entire PDF file structure replacing all
+    // indirect objects that are not arrays, streams, or dictionaries
+    // with direct objects.
+
+    std::list<QPDFObjectHandle> queue;
+    queue.push_back(this->trailer);
+    std::set<ObjGen> visited;
+
+    while (! queue.empty())
+    {
+	QPDFObjectHandle node = queue.front();
+	queue.pop_front();
+	if (node.isIndirect())
+	{
+	    if (node.isScalar())
+	    {
+		throw QEXC::Internal(
+		    "flattenScalarReferences landed at indirect scalar");
+	    }
+	    ObjGen og(node.getObjectID(), node.getGeneration());
+	    if (visited.count(og) > 0)
+	    {
+		continue;
+	    }
+	    visited.insert(og);
+	}
+
+	if (node.isArray())
+	{
+	    int nitems = node.getArrayNItems();
+	    for (int i = 0; i < nitems; ++i)
+	    {
+		QPDFObjectHandle oh = node.getArrayItem(i);
+		if (oh.isScalar())
+		{
+		    QTC::TC("qpdf", "QPDF opt flatten array scalar");
+		    oh.makeDirect();
+		    node.setArrayItem(i, oh);
+		}
+		else
+		{
+		    queue.push_back(oh);
+		}
+	    }
+	}
+	else if (node.isDictionary() || node.isStream())
+	{
+	    QPDFObjectHandle dict = node;
+	    if (node.isStream())
+	    {
+		dict = node.getDict();
+	    }
+	    std::set<std::string> keys = dict.getKeys();
+	    for (std::set<std::string>::iterator iter = keys.begin();
+		 iter != keys.end(); ++iter)
+	    {
+		std::string const& key = *iter;
+		QPDFObjectHandle oh = dict.getKey(key);
+		if (oh.isNull())
+		{
+		    // QPDF_Dictionary.getKeys() never returns null
+		    // keys.
+		    throw QEXC::Internal("dictionary with null key found");
+		}
+		else if (oh.isScalar())
+		{
+		    QTC::TC("qpdf", "QPDF opt flatten dict scalar");
+		    oh.makeDirect();
+		    dict.replaceKey(key, oh);
+		}
+		else
+		{
+		    queue.push_back(oh);
+		}
+	    }
+	}
+    }
+}
+
+void
+QPDF::optimize(std::map<int, int> const& object_stream_data,
+	       bool allow_changes)
+{
+    if (! this->obj_user_to_objects.empty())
+    {
+	// already optimized
+	return;
+    }
+
+    // Traverse pages tree pushing all inherited resources down to the
+    // page level.
+
+    // key_ancestors is a mapping of page attribute keys to a stack of
+    // Pages nodes that contain values for them.  pageno is the
+    // current page sequence number numbered from 0.
+    std::map<std::string, std::vector<QPDFObjectHandle> > key_ancestors;
+    int pageno = 0;
+    optimizePagesTree(this->trailer.getKey("/Root").getKey("/Pages"),
+		      key_ancestors, pageno, allow_changes);
+    assert(key_ancestors.empty());
+
+    // Traverse document-level items
+    std::set<std::string> keys = this->trailer.getKeys();
+    for (std::set<std::string>::iterator iter = keys.begin();
+	 iter != keys.end(); ++iter)
+    {
+	std::string const& key = *iter;
+	if (key == "/Root")
+	{
+	    // handled separately
+	}
+	else
+	{
+	    updateObjectMaps(ObjUser(ObjUser::ou_trailer_key, key),
+			     this->trailer.getKey(key));
+	}
+    }
+
+    QPDFObjectHandle root = getRoot();
+    keys = root.getKeys();
+    for (std::set<std::string>::iterator iter = keys.begin();
+	 iter != keys.end(); ++iter)
+    {
+	// Technically, /I keys from /Thread dictionaries are supposed
+	// to be handled separately, but we are going to disregard
+	// that specification for now.  There is loads of evidence
+	// that pdlin and Acrobat both disregard things like this from
+	// time to time, so this is almost certain not to cause any
+	// problems.
+
+	std::string const& key = *iter;
+	updateObjectMaps(ObjUser(ObjUser::ou_root_key, key),
+			 root.getKey(key));
+    }
+
+    ObjUser root_ou = ObjUser(ObjUser::ou_root);
+    ObjGen root_og = ObjGen(root.getObjectID(), root.getGeneration());
+    obj_user_to_objects[root_ou].insert(root_og);
+    object_to_obj_users[root_og].insert(root_ou);
+
+    filterCompressedObjects(object_stream_data);
+}
+
+void
+QPDF::optimizePagesTree(
+    QPDFObjectHandle cur_pages,
+    std::map<std::string, std::vector<QPDFObjectHandle> >& key_ancestors,
+    int& pageno, bool allow_changes)
+{
+    // Extract the underlying dictionary object
+    std::string type = cur_pages.getKey("/Type").getName();
+
+    if (type == "/Pages")
+    {
+	// Make a list of inheritable keys.  Any key other than /Type,
+	// /Parent, Kids, or /Count is an inheritable attribute.  Push
+	// this object onto the stack of pages nodes that have values
+	// for this attribute.
+
+	std::set<std::string> inheritable_keys;
+	std::set<std::string> keys = cur_pages.getKeys();
+	for (std::set<std::string>::iterator iter = keys.begin();
+	     iter != keys.end(); ++iter)
+	{
+	    std::string const& key = *iter;
+	    if (! ((key == "/Type") || (key == "/Parent") ||
+		   (key == "/Kids") || (key == "/Count")))
+	    {
+		if (! allow_changes)
+		{
+		    throw QPDFExc(this->file.getName() +
+				  ": optimize detected an "
+				  "inheritable resource");
+		}
+
+		// This is an inheritable resource
+		inheritable_keys.insert(key);
+		QPDFObjectHandle oh = cur_pages.getKey(key);
+		QTC::TC("qpdf", "QPDF opt direct pages resource",
+			oh.isIndirect() ? 0 : 1);
+		if (! oh.isIndirect())
+		{
+		    if (! oh.isScalar())
+		    {
+			// Replace shared direct object non-scalar
+			// resources with indirect objects to avoid
+			// copying large structures around.
+			cur_pages.replaceKey(key, makeIndirectObject(oh));
+			oh = cur_pages.getKey(key);
+		    }
+		    else
+		    {
+			// Don't defeat flattenScalarReferences which
+			// would have already been called by this
+			// time.
+			QTC::TC("qpdf", "QPDF opt inherited scalar");
+		    }
+		}
+		key_ancestors[key].push_back(oh);
+		if (key_ancestors[key].size() > 1)
+		{
+		    QTC::TC("qpdf", "QPDF opt key ancestors depth > 1");
+		}
+		// Remove this resource from this node.  It will be
+		// reattached at the page level.
+		cur_pages.removeKey(key);
+	    }
+	}
+
+	// Visit descendant nodes.
+	QPDFObjectHandle kids = cur_pages.getKey("/Kids");
+	int n = kids.getArrayNItems();
+	for (int i = 0; i < n; ++i)
+	{
+	    optimizePagesTree(kids.getArrayItem(i), key_ancestors, pageno,
+			      allow_changes);
+	}
+
+	// For each inheritable key, pop the stack.  If the stack
+	// becomes empty, remove it from the map.  That way, the
+	// invariant that the list of keys in key_ancestors is exactly
+	// those keys for which inheritable attributes are available.
+
+	if (! inheritable_keys.empty())
+	{
+	    QTC::TC("qpdf", "QPDF opt inheritable keys");
+	    for (std::set<std::string>::iterator iter =
+		     inheritable_keys.begin();
+		 iter != inheritable_keys.end(); ++iter)
+	    {
+		std::string const& key = (*iter);
+		key_ancestors[key].pop_back();
+		if (key_ancestors[key].empty())
+		{
+		    QTC::TC("qpdf", "QPDF opt erase empty key ancestor");
+		    key_ancestors.erase(key);
+		}
+	    }
+	}
+	else
+	{
+	    QTC::TC("qpdf", "QPDF opt no inheritable keys");
+	}
+    }
+    else if (type == "/Page")
+    {
+	// Add all available inheritable attributes not present in
+	// this object to this object.
+	for (std::map<std::string, std::vector<QPDFObjectHandle> >::iterator
+		 iter = key_ancestors.begin();
+	     iter != key_ancestors.end(); ++iter)
+	{
+	    std::string const& key = (*iter).first;
+	    if (! cur_pages.hasKey(key))
+	    {
+		QTC::TC("qpdf", "QPDF opt resource inherited");
+		cur_pages.replaceKey(key, (*iter).second.back());
+	    }
+	    else
+	    {
+		QTC::TC("qpdf", "QPDF opt page resource hides ancestor");
+	    }
+	}
+
+	// Traverse from this point, updating the mappings of object
+	// users to objects and objects to object users.
+
+	updateObjectMaps(ObjUser(ObjUser::ou_page, pageno), cur_pages);
+
+	// Increment pageno so that its value will be correct for the
+	// next page.
+	++pageno;
+    }
+    else
+    {
+	throw QPDFExc(this->file.getName() + ": invalid Type in page tree");
+    }
+}
+
+void
+QPDF::updateObjectMaps(ObjUser const& ou, QPDFObjectHandle oh)
+{
+    std::set<ObjGen> visited;
+    updateObjectMapsInternal(ou, oh, visited, true);
+}
+
+void
+QPDF::updateObjectMapsInternal(ObjUser const& ou, QPDFObjectHandle oh,
+			       std::set<ObjGen>& visited, bool top)
+{
+    // Traverse the object tree from this point taking care to avoid
+    // crossing page boundaries.
+
+    bool is_page_node = false;
+
+    if (oh.isDictionary() && oh.hasKey("/Type"))
+    {
+	std::string type = oh.getKey("/Type").getName();
+	if (type == "/Page")
+	{
+	    is_page_node = true;
+	    if (! top)
+	    {
+		return;
+	    }
+	}
+    }
+
+    if (oh.isIndirect())
+    {
+	ObjGen og(oh.getObjectID(), oh.getGeneration());
+	if (visited.count(og))
+	{
+	    QTC::TC("qpdf", "QPDF opt loop detected");
+	    return;
+	}
+	this->obj_user_to_objects[ou].insert(og);
+	this->object_to_obj_users[og].insert(ou);
+	visited.insert(og);
+    }
+
+    if (oh.isArray())
+    {
+	int n = oh.getArrayNItems();
+	for (int i = 0; i < n; ++i)
+	{
+	    updateObjectMapsInternal(ou, oh.getArrayItem(i), visited, false);
+	}
+    }
+    else if (oh.isDictionary() || oh.isStream())
+    {
+	QPDFObjectHandle dict = oh;
+	if (oh.isStream())
+	{
+	    dict = oh.getDict();
+	}
+
+	std::set<std::string> keys = dict.getKeys();
+	for (std::set<std::string>::iterator iter = keys.begin();
+	     iter != keys.end(); ++iter)
+	{
+	    std::string const& key = *iter;
+	    if (is_page_node && (key == "/Thumb"))
+	    {
+		// Traverse page thumbnail dictionaries as a special
+		// case.
+		updateObjectMaps(ObjUser(ObjUser::ou_thumb, ou.pageno),
+				 dict.getKey(key));
+	    }
+	    else if (is_page_node && (key == "/Parent"))
+	    {
+		// Don't traverse back up the page tree
+	    }
+	    else
+	    {
+		updateObjectMapsInternal(ou, dict.getKey(key),
+					 visited, false);
+	    }
+	}
+    }
+}
+
+void
+QPDF::filterCompressedObjects(std::map<int, int> const& object_stream_data)
+{
+    if (object_stream_data.empty())
+    {
+	return;
+    }
+
+    // Transform object_to_obj_users and obj_user_to_objects so that
+    // they refer only to uncompressed objects.  If something is a
+    // user of a compressed object, then it is really a user of the
+    // object stream that contains it.
+
+    std::map<ObjUser, std::set<ObjGen> > t_obj_user_to_objects;
+    std::map<ObjGen, std::set<ObjUser> > t_object_to_obj_users;
+
+    for (std::map<ObjUser, std::set<ObjGen> >::iterator i1 =
+	     this->obj_user_to_objects.begin();
+	 i1 != this->obj_user_to_objects.end(); ++i1)
+    {
+	ObjUser const& ou = (*i1).first;
+	std::set<ObjGen> const& objects = (*i1).second;
+	for (std::set<ObjGen>::const_iterator i2 = objects.begin();
+	     i2 != objects.end(); ++i2)
+	{
+	    ObjGen const& og = (*i2);
+	    std::map<int, int>::const_iterator i3 =
+		object_stream_data.find(og.obj);
+	    if (i3 == object_stream_data.end())
+	    {
+		t_obj_user_to_objects[ou].insert(og);
+	    }
+	    else
+	    {
+		t_obj_user_to_objects[ou].insert(ObjGen((*i3).second, 0));
+	    }
+	}
+    }
+
+    for (std::map<ObjGen, std::set<ObjUser> >::iterator i1 =
+	     this->object_to_obj_users.begin();
+	 i1 != this->object_to_obj_users.end(); ++i1)
+    {
+	ObjGen const& og = (*i1).first;
+	std::set<ObjUser> const& objusers = (*i1).second;
+	for (std::set<ObjUser>::const_iterator i2 = objusers.begin();
+	     i2 != objusers.end(); ++i2)
+	{
+	    ObjUser const& ou = (*i2);
+	    std::map<int, int>::const_iterator i3 =
+		object_stream_data.find(og.obj);
+	    if (i3 == object_stream_data.end())
+	    {
+		t_object_to_obj_users[og].insert(ou);
+	    }
+	    else
+	    {
+		t_object_to_obj_users[ObjGen((*i3).second, 0)].insert(ou);
+	    }
+	}
+    }
+
+    this->obj_user_to_objects = t_obj_user_to_objects;
+    this->object_to_obj_users = t_object_to_obj_users;
+}
diff --git a/libqpdf/QTC.cc b/libqpdf/QTC.cc
new file mode 100644
index 00000000..b8328b2e
--- /dev/null
+++ b/libqpdf/QTC.cc
@@ -0,0 +1,46 @@
+
+#include <qpdf/QTC.hh>
+
+#include <set>
+#include <stdio.h>
+#include <qpdf/QUtil.hh>
+
+static bool tc_active(char const* const scope)
+{
+    std::string value;
+    return (QUtil::get_env("TC_SCOPE", &value) && (value == scope));
+}
+
+void QTC::TC(char const* const scope, char const* const ccase, int n)
+{
+    static std::set<std::pair<std::string, int> > cache;
+
+    if (! tc_active(scope))
+    {
+	return;
+    }
+
+    std::string filename;
+#ifdef _WIN32
+# define TC_ENV "TC_WIN_FILENAME"
+#else
+# define TC_ENV "TC_FILENAME"
+#endif
+    if (! QUtil::get_env(TC_ENV, &filename))
+    {
+	return;
+    }
+#undef TC_ENV
+
+    if (cache.count(std::make_pair(ccase, n)))
+    {
+	return;
+    }
+    cache.insert(std::make_pair(ccase, n));
+
+    FILE* tc =
+	QUtil::fopen_wrapper("open test coverage file (" + filename + ")",
+			     fopen(filename.c_str(), "ab"));
+    fprintf(tc, "%s %d\n", ccase, n);
+    fclose(tc);
+}
diff --git a/libqpdf/QUtil.cc b/libqpdf/QUtil.cc
new file mode 100644
index 00000000..c0de95f7
--- /dev/null
+++ b/libqpdf/QUtil.cc
@@ -0,0 +1,198 @@
+
+#include <qpdf/QUtil.hh>
+#include <stdio.h>
+#include <errno.h>
+#include <ctype.h>
+#include <stdlib.h>
+#ifdef _WIN32
+#include <Windows.h>
+#include <direct.h>
+#else
+#include <unistd.h>
+#endif
+
+std::string
+QUtil::int_to_string(int num, int fullpad)
+{
+    // This routine will need to be recompiled if an int can be longer than
+    // 49 digits.
+    char t[50];
+
+    // -2 or -1 to leave space for the possible negative sign and for NUL...
+    if (abs(fullpad) > (int)sizeof(t) - ((num < 0)?2:1))
+    {
+	throw QEXC::Internal("Util::int_to_string has been called with "
+			     "a padding value greater than its internal "
+			     "limit");
+    }
+
+    if (fullpad)
+    {
+	sprintf(t, "%0*d", fullpad, num);
+    }
+    else
+    {
+	sprintf(t, "%d", num);
+    }
+
+    return std::string(t);
+}
+
+std::string
+QUtil::double_to_string(double num, int decimal_places)
+{
+    // This routine will need to be recompiled if a double can be longer than
+    // 99 digits.
+    char t[100];
+
+    std::string lhs = int_to_string((int)num);
+
+    // lhs.length() gives us the length of the part on the right hand
+    // side of the dot + 1 for the dot + decimal_places: total size of
+    // the required string.  -1 on the sizeof side to allow for NUL at
+    // the end.
+    //
+    // If decimal_places <= 0, it is as if no precision was provided
+    // so trust the buffer is big enough.  The following test will
+    // always pass in those cases.
+    if (decimal_places + 1 + (int)lhs.length() > (int)sizeof(t) - 1)
+    {
+	throw QEXC::Internal("Util::double_to_string has been called with "
+			     "a number and a decimal places specification "
+			     "that would break an internal limit");
+    }
+
+    if (decimal_places)
+    {
+	sprintf(t, "%.*f", decimal_places, num);
+    }
+    else
+    {
+	sprintf(t, "%f", num);
+    }
+    return std::string(t);
+}
+
+int
+QUtil::os_wrapper(std::string const& description, int status) throw (QEXC::System)
+{
+    if (status == -1)
+    {
+	throw QEXC::System(description, errno);
+    }
+    return status;
+}
+
+FILE*
+QUtil::fopen_wrapper(std::string const& description, FILE* f) throw (QEXC::System)
+{
+    if (f == 0)
+    {
+	throw QEXC::System(description, errno);
+    }
+    return f;
+}
+
+char*
+QUtil::copy_string(std::string const& str)
+{
+    char* result = new char[str.length() + 1];
+    // Use memcpy in case string contains nulls
+    result[str.length()] = '\0';
+    memcpy(result, str.c_str(), str.length());
+    return result;
+}
+
+bool
+QUtil::get_env(std::string const& var, std::string* value)
+{
+    // This was basically ripped out of wxWindows.
+#ifdef _WIN32
+    // first get the size of the buffer
+    DWORD len = ::GetEnvironmentVariable(var.c_str(), NULL, 0);
+    if (len == 0)
+    {
+        // this means that there is no such variable
+        return false;
+    }
+
+    if (value)
+    {
+	char* t = new char[len + 1];
+        ::GetEnvironmentVariable(var.c_str(), t, len);
+	*value = t;
+	delete [] t;
+    }
+
+    return true;
+#else
+    char* p = getenv(var.c_str());
+    if (p == 0)
+    {
+        return false;
+    }
+    if (value)
+    {
+        *value = p;
+    }
+
+    return true;
+#endif
+}
+
+std::string
+QUtil::toUTF8(unsigned long uval)
+{
+    std::string result;
+
+    // A UTF-8 encoding of a Unicode value is a single byte for
+    // Unicode values <= 127.  For larger values, the first byte of
+    // the UTF-8 encoding has '1' as each of its n highest bits and
+    // '0' for its (n+1)th highest bit where n is the total number of
+    // bytes required.  Subsequent bytes start with '10' and have the
+    // remaining 6 bits free for encoding.  For example, an 11-bit
+    // unicode value can be stored in two bytes where the first is
+    // 110zzzzz, the second is 10zzzzzz, and the z's represent the
+    // remaining bits.
+
+    if (uval > 0x7fffffff)
+    {
+	throw QEXC::General("bounds error in QUtil::toUTF8");
+    }
+    else if (uval < 128)
+    {
+	result += (char)(uval);
+    }
+    else
+    {
+	unsigned char bytes[7];
+	bytes[6] = '\0';
+	unsigned char* cur_byte = &bytes[5];
+
+	// maximum value that will fit in the current number of bytes
+	unsigned char maxval = 0x3f; // six bits
+
+	while (uval > maxval)
+	{
+	    // Assign low six bits plus 10000000 to lowest unused
+	    // byte position, then shift
+	    *cur_byte = (unsigned char) (0x80 + (uval & 0x3f));
+	    uval >>= 6;
+	    // Maximum that will fit in high byte now shrinks by one bit
+	    maxval >>= 1;
+	    // Slide to the left one byte
+	    --cur_byte;
+	    if (cur_byte < bytes)
+	    {
+		throw QEXC::Internal("QUtil::toUTF8: overflow error");
+	    }
+	}
+	// If maxval is k bits long, the high (7 - k) bits of the
+	// resulting byte must be high.
+	*cur_byte = (unsigned char)((0xff - (1 + (maxval << 1))) + uval);
+
+	result += (char*)cur_byte;
+    }
+
+    return result;
+}
diff --git a/libqpdf/RC4.cc b/libqpdf/RC4.cc
new file mode 100644
index 00000000..74b538b5
--- /dev/null
+++ b/libqpdf/RC4.cc
@@ -0,0 +1,56 @@
+
+#include <qpdf/RC4.hh>
+
+#include <string.h>
+
+static void swap_byte(unsigned char &a, unsigned char &b)
+{
+    unsigned char t;
+
+    t = a;
+    a = b;
+    b = t;
+}
+
+RC4::RC4(unsigned char const* key_data, int key_len)
+{
+    if (key_len == -1)
+    {
+	key_len = strlen((char*)key_data);
+    }
+
+    for (int i = 0; i < 256; ++i)
+    {
+        key.state[i] = i;
+    }
+    key.x = 0;
+    key.y = 0;
+
+    int i1 = 0;
+    int i2 = 0;
+    for (int i = 0; i < 256; ++i)
+    {
+	i2 = (key_data[i1] + key.state[i] + i2) % 256;
+	swap_byte(key.state[i], key.state[i2]);
+	i1 = (i1 + 1) % key_len;
+    }
+}
+
+void
+RC4::process(unsigned char *in_data, int len, unsigned char* out_data)
+{
+    if (out_data == 0)
+    {
+	// Convert in place
+	out_data = in_data;
+    }
+
+    for (int i = 0; i < len; ++i)
+    {
+	key.x = (key.x + 1) % 256;
+	key.y = (key.state[key.x] + key.y) % 256;
+	swap_byte(key.state[key.x], key.state[key.y]);
+	int xor_index = (key.state[key.x] + key.state[key.y]) % 256;
+	out_data[i] = in_data[i] ^ key.state[xor_index];
+    }
+}
diff --git a/libqpdf/bits.icc b/libqpdf/bits.icc
new file mode 100644
index 00000000..465bf5b9
--- /dev/null
+++ b/libqpdf/bits.icc
@@ -0,0 +1,149 @@
+
+#ifndef __BITS_CC__
+#define __BITS_CC__
+
+#include <algorithm>
+#include <qpdf/QTC.hh>
+#include <qpdf/QEXC.hh>
+#include <qpdf/Pipeline.hh>
+
+// These functions may be run at places where the function call
+// overhead from test coverage testing would be too high.  Therefore,
+// we make the test coverage cases conditional upon a preprocessor
+// symbol.  BitStream.cc includes this file without defining the
+// symbol, and the specially designed test code that fully exercises
+// this code includes with the symbol defined.
+
+#ifdef BITS_READ
+static unsigned long
+read_bits(unsigned char const*& p, unsigned int& bit_offset,
+	  unsigned int& bits_available, unsigned int bits_wanted)
+{
+    // View p as a stream of bits:
+
+    // 76543210 76543210 ....
+
+    // bit_offset is the bit number within the first byte that marks
+    // the first bit that we would read.
+
+    if (bits_wanted > bits_available)
+    {
+	throw QEXC::General("overflow reading bit stream");
+    }
+    if (bits_wanted > 32)
+    {
+	throw QEXC::Internal("read_bits: too many bits requested");
+    }
+
+    unsigned long result = 0;
+#ifdef BITS_TESTING
+    if (bits_wanted == 0)
+    {
+	QTC::TC("libtests", "bits zero bits wanted");
+    }
+#endif
+    while (bits_wanted > 0)
+    {
+	// Grab bits from the first byte clearing anything before
+	// bit_offset.
+	unsigned char byte = *p & ((1 << (bit_offset + 1)) - 1);
+
+	// There are bit_offset + 1 bits available in the first byte.
+	unsigned int to_copy = std::min(bits_wanted, bit_offset + 1);
+	unsigned int leftover = (bit_offset + 1) - to_copy;
+
+#ifdef BITS_TESTING
+	QTC::TC("libtests", "bits bit_offset",
+		((bit_offset == 0) ? 0 :
+		 (bit_offset == 7) ? 1 :
+		 2));
+	QTC::TC("libtests", "bits leftover", (leftover > 0) ? 1 : 0);
+#endif
+
+	// Right shift so that all the bits we want are right justified.
+	byte >>= leftover;
+
+	// Copy the bits into result
+	result <<= to_copy;
+	result |= byte;
+
+	// Update pointers
+	if (leftover)
+	{
+	    bit_offset = leftover - 1;
+	}
+	else
+	{
+	    bit_offset = 7;
+	    ++p;
+	}
+	bits_wanted -= to_copy;
+	bits_available -= to_copy;
+
+#ifdef BITS_TESTING
+	QTC::TC("libtests", "bits iterations",
+		((bits_wanted > 8) ? 0 :
+		 (bits_wanted > 0) ? 1 :
+		 2));
+#endif
+    }
+
+    return result;
+}
+#endif
+
+#ifdef BITS_WRITE
+static void
+write_bits(unsigned char& ch, unsigned int& bit_offset,
+	   unsigned long val, unsigned bits, Pipeline* pipeline)
+{
+    if (bits > 32)
+    {
+	throw QEXC::Internal("write_bits: too many bits requested");
+    }
+
+    // bit_offset + 1 is the number of bits left in ch
+#ifdef BITS_TESTING
+    if (bits == 0)
+    {
+	QTC::TC("libtests", "bits write zero bits");
+    }
+#endif
+    while (bits > 0)
+    {
+	int bits_to_write = std::min(bits, bit_offset + 1);
+	unsigned char newval =
+	    (val >> (bits - bits_to_write)) & ((1 << bits_to_write) - 1);
+	int bits_left_in_ch = bit_offset + 1 - bits_to_write;
+	newval <<= bits_left_in_ch;
+	ch |= newval;
+	if (bits_left_in_ch == 0)
+	{
+#ifdef BITS_TESTING
+	    QTC::TC("libtests", "bits write pipeline");
+#endif
+	    pipeline->write(&ch, 1);
+	    bit_offset = 7;
+	    ch = 0;
+	}
+	else
+	{
+#ifdef BITS_TESTING
+	    QTC::TC("libtests", "bits write leftover");
+#endif
+	    bit_offset -= bits_to_write;
+	}
+	bits -= bits_to_write;
+#ifdef BITS_TESTING
+	QTC::TC("libtests", "bits write iterations",
+		((bits > 8) ? 0 :
+		 (bits > 0) ? 1 :
+		 2));
+#endif
+    }
+
+}
+#endif
+
+
+#endif // __BITS_CC__
diff --git a/libqpdf/build.mk b/libqpdf/build.mk
new file mode 100644
index 00000000..9733cb9f
--- /dev/null
+++ b/libqpdf/build.mk
@@ -0,0 +1,73 @@
+TARGETS_libqpdf = \
+	libqpdf/$(OUTPUT_DIR)/libqpdf.la
+
+INCLUDES_libqpdf = include libqpdf
+
+SRCS_libqpdf = \
+	libqpdf/BitStream.cc \
+	libqpdf/BitWriter.cc \
+	libqpdf/Buffer.cc \
+	libqpdf/MD5.cc \
+	libqpdf/PCRE.cc \
+	libqpdf/Pipeline.cc \
+	libqpdf/Pl_ASCII85Decoder.cc \
+	libqpdf/Pl_ASCIIHexDecoder.cc \
+	libqpdf/Pl_Buffer.cc \
+	libqpdf/Pl_Count.cc \
+	libqpdf/Pl_Discard.cc \
+	libqpdf/Pl_Flate.cc \
+	libqpdf/Pl_LZWDecoder.cc \
+	libqpdf/Pl_MD5.cc \
+	libqpdf/Pl_PNGFilter.cc \
+	libqpdf/Pl_QPDFTokenizer.cc \
+	libqpdf/Pl_RC4.cc \
+	libqpdf/Pl_StdioFile.cc \
+	libqpdf/QEXC.cc \
+	libqpdf/QPDF.cc \
+	libqpdf/QPDFExc.cc \
+	libqpdf/QPDFObject.cc \
+	libqpdf/QPDFObjectHandle.cc \
+	libqpdf/QPDFTokenizer.cc \
+	libqpdf/QPDFWriter.cc \
+	libqpdf/QPDFXRefEntry.cc \
+	libqpdf/QPDF_Array.cc \
+	libqpdf/QPDF_Bool.cc \
+	libqpdf/QPDF_Dictionary.cc \
+	libqpdf/QPDF_Integer.cc \
+	libqpdf/QPDF_Name.cc \
+	libqpdf/QPDF_Null.cc \
+	libqpdf/QPDF_Real.cc \
+	libqpdf/QPDF_Stream.cc \
+	libqpdf/QPDF_String.cc \
+	libqpdf/QPDF_encryption.cc \
+	libqpdf/QPDF_linearization.cc \
+	libqpdf/QPDF_optimization.cc \
+	libqpdf/QTC.cc \
+	libqpdf/QUtil.cc \
+	libqpdf/RC4.cc
+
+# -----
+
+OBJS_libqpdf = $(call src_to_lobj,$(SRCS_libqpdf))
+
+ifeq ($(GENDEPS),1)
+-include $(call lobj_to_dep,$(OBJS_libqpdf))
+endif
+
+$(OBJS_libqpdf): libqpdf/$(OUTPUT_DIR)/%.lo: libqpdf/%.cc
+	$(call libcompile,$<,$(INCLUDES_libqpdf))
+
+# Last three arguments to makelib are CURRENT,REVISION,AGE.
+#
+# * If any interfaces have been removed or changed, we are not binary
+#   compatible.  Increment CURRENT, and set AGE and REVISION to 0.
+#
+# * Otherwise, if any interfaces have been added since the last
+#   public release, then increment CURRENT and AGE, and set REVISION
+#   to 0.
+#
+# * Otherwise, increment REVISION
+
+libqpdf/$(OUTPUT_DIR)/libqpdf.la: $(OBJS_libqpdf)
+	$(call makelib,$(OBJS_libqpdf),$@,1,0,0)
+
diff --git a/libqpdf/qpdf/BitStream.hh b/libqpdf/qpdf/BitStream.hh
new file mode 100644
index 00000000..d02eea42
--- /dev/null
+++ b/libqpdf/qpdf/BitStream.hh
@@ -0,0 +1,23 @@
+// Read bits from a bit stream.  See BitWriter for writing.
+
+#ifndef __BITSTREAM_HH__
+#define __BITSTREAM_HH__
+
+class BitStream
+{
+  public:
+    BitStream(unsigned char const* p, int nbytes);
+    void reset();
+    unsigned long getBits(int nbits);
+    void skipToNextByte();
+
+  private:
+    unsigned char const* start;
+    int nbytes;
+
+    unsigned char const* p;
+    unsigned int bit_offset;
+    unsigned int bits_available;
+};
+
+#endif // __BITSTREAM_HH__
diff --git a/libqpdf/qpdf/BitWriter.hh b/libqpdf/qpdf/BitWriter.hh
new file mode 100644
index 00000000..1efd498a
--- /dev/null
+++ b/libqpdf/qpdf/BitWriter.hh
@@ -0,0 +1,24 @@
+// Write bits into a bit stream.  See BitStream for reading.
+
+#ifndef __THIS_FILE_Q__
+#define __THIS_FILE_Q__
+
+class Pipeline;
+
+class BitWriter
+{
+  public:
+    // Write bits to the pipeline.  It is the caller's responsibility
+    // to eventually call finish on the pipeline.
+    BitWriter(Pipeline* pl);
+    void writeBits(unsigned long val, int bits);
+    // Force any partial byte to be written to the pipeline.
+    void flush();
+
+  private:
+    Pipeline* pl;
+    unsigned char ch;
+    unsigned int bit_offset;
+};
+
+#endif // __THIS_FILE_Q__
diff --git a/libqpdf/qpdf/MD5.hh b/libqpdf/qpdf/MD5.hh
new file mode 100644
index 00000000..0ae15da9
--- /dev/null
+++ b/libqpdf/qpdf/MD5.hh
@@ -0,0 +1,73 @@
+
+#ifndef __MD5_HH__
+#define __MD5_HH__
+
+#include <string>
+#include <qpdf/QEXC.hh>
+
+class MD5
+{
+  public:
+    typedef unsigned char Digest[16];
+
+    MD5();
+    void reset();
+
+    // encodes string and finalizes
+    void encodeString(char const* input_string);
+
+    // encodes file and finalizes
+    void encodeFile(char const* filename, int up_to_size = -1)
+	throw(QEXC::System);
+
+    // appends string to current md5 object
+    void appendString(char const* input_string);
+
+    // appends arbitrary data to current md5 object
+    void encodeDataIncrementally(char const* input_data, int len);
+
+    // computes a raw digest
+    void digest(Digest);
+
+    // prints the digest to stdout terminated with \r\n (primarily for
+    // testing)
+    void print();
+
+    // returns the digest as a hexademical string
+    std::string unparse();
+
+    // Convenience functions
+    static std::string getDataChecksum(char const* buf, int len);
+    static std::string getFileChecksum(char const* filename, int up_to_size = -1);
+    static bool checkDataChecksum(char const* const checksum,
+				  char const* buf, int len);
+    static bool checkFileChecksum(char const* const checksum,
+				  char const* filename, int up_to_size = -1);
+
+  private:
+    // POINTER defines a generic pointer type
+    typedef void *POINTER;
+
+    // UINT2 defines a two byte word
+    typedef unsigned short int UINT2;
+
+    // UINT4 defines a four byte word
+    typedef unsigned long int UINT4;
+
+    void init();
+    void update(unsigned char *, unsigned int);
+    void final();
+
+    static void transform(UINT4 [4], unsigned char [64]);
+    static void encode(unsigned char *, UINT4 *, unsigned int);
+    static void decode(UINT4 *, unsigned char *, unsigned int);
+
+    UINT4 state[4];		// state (ABCD)
+    UINT4 count[2];		// number of bits, modulo 2^64 (lsb first)
+    unsigned char buffer[64];	// input buffer
+
+    bool finalized;
+    Digest digest_val;
+};
+
+#endif // __MD5_HH__
diff --git a/libqpdf/qpdf/PCRE.hh b/libqpdf/qpdf/PCRE.hh
new file mode 100644
index 00000000..a226aa19
--- /dev/null
+++ b/libqpdf/qpdf/PCRE.hh
@@ -0,0 +1,107 @@
+// This is a C++ wrapper class around Philip Hazel's perl-compatible
+// regular expressions library.
+//
+
+#ifndef __PCRE_HH__
+#define __PCRE_HH__
+
+#include <pcre.h>
+#include <string>
+
+#include <qpdf/QEXC.hh>
+
+// Note: this class does not encapsulate all features of the PCRE
+// package -- only those that I actually need right now are here.
+
+class PCRE
+{
+  public:
+    class Exception: public QEXC::General
+    {
+      public:
+	Exception(std::string const& message);
+	virtual ~Exception() throw() {}
+    };
+
+    // This is thrown when an attempt is made to access a non-existent
+    // back reference.
+    class NoBackref: public Exception
+    {
+      public:
+	NoBackref();
+	virtual ~NoBackref() throw() {}
+    };
+
+    class Match
+    {
+	friend class PCRE;
+      public:
+	Match(int nbackrefs, char const* subject);
+	Match(Match const&);
+	Match& operator=(Match const&);
+	~Match();
+	operator bool();
+
+	// All the back reference accessing routines may throw the
+	// special exception NoBackref (derived from Exception) if the
+	// back reference does not exist.  Exception will be thrown
+	// for other error conditions.  This allows callers to trap
+	// this condition explicitly when they care about the
+	// difference between a backreference matching an empty string
+	// and not matching at all.
+
+	// see getMatch flags below
+	std::string getMatch(int n, int flags = 0)
+	    throw(QEXC::General, Exception);
+	void getOffsetLength(int n, int& offset, int& length) throw(Exception);
+	int getOffset(int n) throw(Exception);
+	int getLength(int n) throw(Exception);
+
+	// nMatches returns the number of available matches including
+	// match 0 which is the whole string.  In other words, if you
+	// have one backreference in your expression and the
+	// expression matches, nMatches() will return 2, getMatch(0)
+	// will return the whole string, getMatch(1) will return the
+	// text that matched the backreference, and getMatch(2) will
+	// throw an exception because it is out of range.
+	int nMatches() const;
+
+	// Flags for getMatch
+
+	// getMatch on a substring that didn't match should return
+	// empty string instead of throwing an exception
+	static int const gm_no_substring_returns_empty = (1 << 0);
+
+      private:
+	void init(int nmatches, int nbackrefs, char const* subject);
+	void copy(Match const&);
+	void destroy();
+
+	int nbackrefs;
+	char const* subject;
+	int* ovector;
+	int ovecsize;
+	int nmatches;
+    };
+
+    // The value passed in as options is passed to pcre_exec.  See man
+    // pcreapi for details.
+    PCRE(char const* pattern, int options = 0) throw(Exception);
+    ~PCRE();
+
+    Match match(char const* subject, int options = 0, int startoffset = 0,
+		int size = -1)
+	throw(QEXC::General, Exception);
+
+    static void test(int n = 0);
+
+  private:
+    // prohibit copying and assignment
+    PCRE(PCRE const&);
+    PCRE& operator=(PCRE const&);
+
+    pcre* code;
+    int nbackrefs;
+};
+
+#endif // __PCRE_HH__
diff --git a/libqpdf/qpdf/Pl_ASCII85Decoder.hh b/libqpdf/qpdf/Pl_ASCII85Decoder.hh
new file mode 100644
index 00000000..9883a58e
--- /dev/null
+++ b/libqpdf/qpdf/Pl_ASCII85Decoder.hh
@@ -0,0 +1,23 @@
+
+#ifndef __PL_ASCII85DECODER_HH__
+#define __PL_ASCII85DECODER_HH__
+
+#include <qpdf/Pipeline.hh>
+
+class Pl_ASCII85Decoder: public Pipeline
+{
+  public:
+    Pl_ASCII85Decoder(char const* identifier, Pipeline* next);
+    virtual ~Pl_ASCII85Decoder();
+    virtual void write(unsigned char* buf, int len);
+    virtual void finish();
+
+  private:
+    void flush();
+
+    char inbuf[5];
+    int pos;
+    int eod;
+};
+
+#endif // __PL_ASCII85DECODER_HH__
diff --git a/libqpdf/qpdf/Pl_ASCIIHexDecoder.hh b/libqpdf/qpdf/Pl_ASCIIHexDecoder.hh
new file mode 100644
index 00000000..36272328
--- /dev/null
+++ b/libqpdf/qpdf/Pl_ASCIIHexDecoder.hh
@@ -0,0 +1,23 @@
+
+#ifndef __PL_ASCIIHEXDECODER_HH__
+#define __PL_ASCIIHEXDECODER_HH__
+
+#include <qpdf/Pipeline.hh>
+
+class Pl_ASCIIHexDecoder: public Pipeline
+{
+  public:
+    Pl_ASCIIHexDecoder(char const* identifier, Pipeline* next);
+    virtual ~Pl_ASCIIHexDecoder();
+    virtual void write(unsigned char* buf, int len);
+    virtual void finish();
+
+  private:
+    void flush();
+
+    char inbuf[3];
+    int pos;
+    bool eod;
+};
+
+#endif // __PL_ASCIIHEXDECODER_HH__
diff --git a/libqpdf/qpdf/Pl_LZWDecoder.hh b/libqpdf/qpdf/Pl_LZWDecoder.hh
new file mode 100644
index 00000000..95ec55b3
--- /dev/null
+++ b/libqpdf/qpdf/Pl_LZWDecoder.hh
@@ -0,0 +1,40 @@
+
+#ifndef __PL_LZWDECODER_HH__
+#define __PL_LZWDECODER_HH__
+
+#include <qpdf/Pipeline.hh>
+
+#include <qpdf/Buffer.hh>
+#include <vector>
+
+class Pl_LZWDecoder: public Pipeline
+{
+  public:
+    Pl_LZWDecoder(char const* identifier, Pipeline* next,
+		  bool early_code_change);
+    virtual ~Pl_LZWDecoder();
+    virtual void write(unsigned char* buf, int len);
+    virtual void finish();
+
+  private:
+    void sendNextCode();
+    void handleCode(int code);
+    unsigned char getFirstChar(int code);
+    void addToTable(unsigned char next);
+
+    // members used for converting bits to codes
+    unsigned char buf[3];
+    int code_size;
+    int next;
+    int byte_pos;
+    int bit_pos;		// left to right: 01234567
+    int bits_available;
+
+    // members used for handle LZW decompression
+    bool code_change_delta;
+    bool eod;
+    std::vector<Buffer> table;
+    int last_code;
+};
+
+#endif // __PL_LZWDECODER_HH__
diff --git a/libqpdf/qpdf/Pl_MD5.hh b/libqpdf/qpdf/Pl_MD5.hh
new file mode 100644
index 00000000..2d9d11fd
--- /dev/null
+++ b/libqpdf/qpdf/Pl_MD5.hh
@@ -0,0 +1,30 @@
+
+#ifndef __PL_MD5_HH__
+#define __PL_MD5_HH__
+
+// This pipeline sends its output to its successor unmodified.  After
+// calling finish, the MD5 checksum of the data that passed through
+// the pipeline is available.
+
+// This pipeline is reusable; i.e., it is safe to call write() after
+// calling finish().  The first call to write() after a call to
+// finish() initializes a new MD5 object.
+
+#include <qpdf/Pipeline.hh>
+#include <qpdf/MD5.hh>
+
+class Pl_MD5: public Pipeline
+{
+  public:
+    Pl_MD5(char const* identifier, Pipeline* next);
+    virtual ~Pl_MD5();
+    virtual void write(unsigned char*, int);
+    virtual void finish();
+    std::string getHexDigest();
+
+  private:
+    bool in_progress;
+    MD5 md5;
+};
+
+#endif // __PL_MD5_HH__
diff --git a/libqpdf/qpdf/Pl_PNGFilter.hh b/libqpdf/qpdf/Pl_PNGFilter.hh
new file mode 100644
index 00000000..1ecc7060
--- /dev/null
+++ b/libqpdf/qpdf/Pl_PNGFilter.hh
@@ -0,0 +1,62 @@
+
+#ifndef __PL_PNGFILTER_HH__
+#define __PL_PNGFILTER_HH__
+
+// This pipeline applies or reverses the application of a PNG filter
+// as described in the PNG specification.
+
+// NOTE: In its initial implementation, it only encodes and decodes
+// filters "none" and "up".  The primary motivation of this code is to
+// encode and decode PDF 1.5+ XRef streams which are often encoded
+// with Flate predictor 12, which corresponds to the PNG up filter.
+// At present, the bytes_per_pixel parameter is ignored, and an
+// exception is thrown if any row of the file has a filter of other
+// than 0 or 2.  Finishing the implementation would not be difficult.
+// See chapter 6 of the PNG specification for a description of the
+// filter algorithms.
+
+#include <qpdf/Pipeline.hh>
+
+class Pl_PNGFilter: public Pipeline
+{
+  public:
+    class Exception: public Pipeline::Exception
+    {
+      public:
+	Exception(std::string const& message) :
+	    Pipeline::Exception(message)
+	{
+	}
+
+	virtual ~Exception() throw ()
+	{
+	}
+    };
+
+    // Encoding is not presently supported
+    enum action_e { a_encode, a_decode };
+
+    Pl_PNGFilter(char const* identifier, Pipeline* next,
+		 action_e action, unsigned int columns,
+		 unsigned int bytes_per_pixel);
+    virtual ~Pl_PNGFilter();
+
+    virtual void write(unsigned char* data, int len);
+    virtual void finish();
+
+  private:
+    void processRow();
+    void encodeRow();
+    void decodeRow();
+
+    action_e action;
+    unsigned int columns;
+    unsigned char* cur_row;
+    unsigned char* prev_row;
+    unsigned char* buf1;
+    unsigned char* buf2;
+    int pos;
+    int incoming;
+};
+
+#endif // __PL_PNGFILTER_HH__
diff --git a/libqpdf/qpdf/Pl_QPDFTokenizer.hh b/libqpdf/qpdf/Pl_QPDFTokenizer.hh
new file mode 100644
index 00000000..448dbb18
--- /dev/null
+++ b/libqpdf/qpdf/Pl_QPDFTokenizer.hh
@@ -0,0 +1,40 @@
+
+#ifndef __PL_QPDFTOKENIZER_HH__
+#define __PL_QPDFTOKENIZER_HH__
+
+#include <qpdf/Pipeline.hh>
+
+#include <qpdf/QPDFTokenizer.hh>
+
+//
+// Treat incoming text as a stream consisting of valid PDF tokens, but
+// output bad tokens just the same.  The idea here is to be able to
+// use pipeline for content streams to normalize newlines without
+// interfering with meaningful newlines such as those that occur
+// inside of strings.
+//
+
+class Pl_QPDFTokenizer: public Pipeline
+{
+  public:
+    Pl_QPDFTokenizer(char const* identifier, Pipeline* next);
+    virtual ~Pl_QPDFTokenizer();
+    virtual void write(unsigned char* buf, int len);
+    virtual void finish();
+
+  private:
+    void processChar(char ch);
+    void checkUnread();
+    void writeNext(char const*, int len);
+    void writeToken(QPDFTokenizer::Token&);
+
+    QPDFTokenizer tokenizer;
+    bool newline_after_next_token;
+    bool just_wrote_nl;
+    bool last_char_was_cr;
+    bool unread_char;
+    char char_to_unread;
+    bool pass_through;
+};
+
+#endif // __PL_QPDFTOKENIZER_HH__
diff --git a/libqpdf/qpdf/Pl_RC4.hh b/libqpdf/qpdf/Pl_RC4.hh
new file mode 100644
index 00000000..6bebe5aa
--- /dev/null
+++ b/libqpdf/qpdf/Pl_RC4.hh
@@ -0,0 +1,42 @@
+
+#ifndef __PL_RC4_HH__
+#define __PL_RC4_HH__
+
+#include <qpdf/Pipeline.hh>
+
+#include <qpdf/RC4.hh>
+
+class Pl_RC4: public Pipeline
+{
+  public:
+    class Exception: public Pipeline::Exception
+    {
+      public:
+	Exception(std::string const& message) :
+	    Pipeline::Exception(message)
+	{
+	}
+
+	virtual ~Exception() throw()
+	{
+	}
+    };
+
+    static int const def_bufsize = 65536;
+
+    // key_len of -1 means treat key_data as a null-terminated string
+    Pl_RC4(char const* identifier, Pipeline* next,
+	   unsigned char const* key_data, int key_len = -1,
+	   int out_bufsize = def_bufsize);
+    virtual ~Pl_RC4();
+
+    virtual void write(unsigned char* data, int len);
+    virtual void finish();
+
+  private:
+    unsigned char* outbuf;
+    int out_bufsize;
+    RC4 rc4;
+};
+
+#endif // __PL_RC4_HH__
diff --git a/libqpdf/qpdf/QPDF_Array.hh b/libqpdf/qpdf/QPDF_Array.hh
new file mode 100644
index 00000000..371be50e
--- /dev/null
+++ b/libqpdf/qpdf/QPDF_Array.hh
@@ -0,0 +1,24 @@
+
+#ifndef __QPDF_ARRAY_HH__
+#define __QPDF_ARRAY_HH__
+
+#include <qpdf/QPDFObject.hh>
+
+#include <vector>
+#include <qpdf/QPDFObjectHandle.hh>
+
+class QPDF_Array: public QPDFObject
+{
+  public:
+    QPDF_Array(std::vector<QPDFObjectHandle> const& items);
+    virtual ~QPDF_Array();
+    virtual std::string unparse();
+    int getNItems() const;
+    QPDFObjectHandle getItem(int n) const;
+    void setItem(int, QPDFObjectHandle const&);
+
+  private:
+    std::vector<QPDFObjectHandle> items;
+};
+
+#endif // __QPDF_ARRAY_HH__
diff --git a/libqpdf/qpdf/QPDF_Bool.hh b/libqpdf/qpdf/QPDF_Bool.hh
new file mode 100644
index 00000000..06aca822
--- /dev/null
+++ b/libqpdf/qpdf/QPDF_Bool.hh
@@ -0,0 +1,19 @@
+
+#ifndef __QPDF_BOOL_HH__
+#define __QPDF_BOOL_HH__
+
+#include <qpdf/QPDFObject.hh>
+
+class QPDF_Bool: public QPDFObject
+{
+  public:
+    QPDF_Bool(bool val);
+    virtual ~QPDF_Bool();
+    virtual std::string unparse();
+    bool getVal() const;
+
+  private:
+    bool val;
+};
+
+#endif // __QPDF_BOOL_HH__
diff --git a/libqpdf/qpdf/QPDF_Dictionary.hh b/libqpdf/qpdf/QPDF_Dictionary.hh
new file mode 100644
index 00000000..6a79fb69
--- /dev/null
+++ b/libqpdf/qpdf/QPDF_Dictionary.hh
@@ -0,0 +1,35 @@
+
+#ifndef __QPDF_DICTIONARY_HH__
+#define __QPDF_DICTIONARY_HH__
+
+#include <qpdf/QPDFObject.hh>
+
+#include <set>
+#include <map>
+
+#include <qpdf/QPDFObjectHandle.hh>
+
+class QPDF_Dictionary: public QPDFObject
+{
+  public:
+    QPDF_Dictionary(std::map<std::string, QPDFObjectHandle> const& items);
+    virtual ~QPDF_Dictionary();
+    virtual std::string unparse();
+
+    // hasKey() and getKeys() treat keys with null values as if they
+    // aren't there.  getKey() returns null for the value of a
+    // non-existent key.  This is as per the PDF spec.
+    bool hasKey(std::string const&);
+    QPDFObjectHandle getKey(std::string const&);
+    std::set<std::string> getKeys();
+
+    // Repalce value of key, adding it if it does not exist
+    void replaceKey(std::string const& key, QPDFObjectHandle const&);
+    // Remove key, doing nothing if key does not exist
+    void removeKey(std::string const& key);
+
+  private:
+    std::map<std::string, QPDFObjectHandle> items;
+};
+
+#endif // __QPDF_DICTIONARY_HH__
diff --git a/libqpdf/qpdf/QPDF_Integer.hh b/libqpdf/qpdf/QPDF_Integer.hh
new file mode 100644
index 00000000..fb6360b2
--- /dev/null
+++ b/libqpdf/qpdf/QPDF_Integer.hh
@@ -0,0 +1,19 @@
+
+#ifndef __QPDF_INTEGER_HH__
+#define __QPDF_INTEGER_HH__
+
+#include <qpdf/QPDFObject.hh>
+
+class QPDF_Integer: public QPDFObject
+{
+  public:
+    QPDF_Integer(int val);
+    virtual ~QPDF_Integer();
+    virtual std::string unparse();
+    int getVal() const;
+
+  private:
+    int val;
+};
+
+#endif // __QPDF_INTEGER_HH__
diff --git a/libqpdf/qpdf/QPDF_Name.hh b/libqpdf/qpdf/QPDF_Name.hh
new file mode 100644
index 00000000..a32f6f4f
--- /dev/null
+++ b/libqpdf/qpdf/QPDF_Name.hh
@@ -0,0 +1,22 @@
+
+#ifndef __QPDF_NAME_HH__
+#define __QPDF_NAME_HH__
+
+#include <qpdf/QPDFObject.hh>
+
+class QPDF_Name: public QPDFObject
+{
+  public:
+    QPDF_Name(std::string const& name);
+    virtual ~QPDF_Name();
+    virtual std::string unparse();
+    std::string getName() const;
+
+    // Put # into strings with characters unsuitable for name token
+    static std::string normalizeName(std::string const& name);
+
+  private:
+    std::string name;
+};
+
+#endif // __QPDF_NAME_HH__
diff --git a/libqpdf/qpdf/QPDF_Null.hh b/libqpdf/qpdf/QPDF_Null.hh
new file mode 100644
index 00000000..60c1ae35
--- /dev/null
+++ b/libqpdf/qpdf/QPDF_Null.hh
@@ -0,0 +1,14 @@
+
+#ifndef __QPDF_NULL_HH__
+#define __QPDF_NULL_HH__
+
+#include <qpdf/QPDFObject.hh>
+
+class QPDF_Null: public QPDFObject
+{
+  public:
+    virtual ~QPDF_Null();
+    std::string unparse();
+};
+
+#endif // __QPDF_NULL_HH__
diff --git a/libqpdf/qpdf/QPDF_Real.hh b/libqpdf/qpdf/QPDF_Real.hh
new file mode 100644
index 00000000..b950c569
--- /dev/null
+++ b/libqpdf/qpdf/QPDF_Real.hh
@@ -0,0 +1,20 @@
+
+#ifndef __QPDF_REAL_HH__
+#define __QPDF_REAL_HH__
+
+#include <qpdf/QPDFObject.hh>
+
+class QPDF_Real: public QPDFObject
+{
+  public:
+    QPDF_Real(std::string const& val);
+    virtual ~QPDF_Real();
+    std::string unparse();
+    std::string getVal();
+
+  private:
+    // Store reals as strings to avoid roundoff errors.
+    std::string val;
+};
+
+#endif // __QPDF_REAL_HH__
diff --git a/libqpdf/qpdf/QPDF_Stream.hh b/libqpdf/qpdf/QPDF_Stream.hh
new file mode 100644
index 00000000..71381fd3
--- /dev/null
+++ b/libqpdf/qpdf/QPDF_Stream.hh
@@ -0,0 +1,42 @@
+
+#ifndef __QPDF_STREAM_HH__
+#define __QPDF_STREAM_HH__
+
+#include <qpdf/QPDFObject.hh>
+
+#include <qpdf/QPDFObjectHandle.hh>
+
+class Pipeline;
+class QPDF;
+
+class QPDF_Stream: public QPDFObject
+{
+  public:
+    QPDF_Stream(QPDF*, int objid, int generation,
+		QPDFObjectHandle stream_dict,
+		off_t offset, int length);
+    virtual ~QPDF_Stream();
+    virtual std::string unparse();
+    QPDFObjectHandle getDict() const;
+
+    // See comments in QPDFObjectHandle.hh
+    bool pipeStreamData(Pipeline*, bool filter,
+			bool normalize, bool compress);
+
+    // See comments in QPDFObjectHandle.hh
+    PointerHolder<Buffer> getStreamData();
+
+  private:
+    bool filterable(std::vector<std::string>& filters,
+		    int& predictor, int& columns, bool& early_code_change);
+
+
+    QPDF* qpdf;
+    int objid;
+    int generation;
+    QPDFObjectHandle stream_dict;
+    off_t offset;
+    int length;
+};
+
+#endif // __QPDF_STREAM_HH__
diff --git a/libqpdf/qpdf/QPDF_String.hh b/libqpdf/qpdf/QPDF_String.hh
new file mode 100644
index 00000000..f3063c50
--- /dev/null
+++ b/libqpdf/qpdf/QPDF_String.hh
@@ -0,0 +1,23 @@
+
+#ifndef __QPDF_STRING_HH__
+#define __QPDF_STRING_HH__
+
+#include <qpdf/QPDFObject.hh>
+
+// QPDF_Strings may included embedded null characters.
+
+class QPDF_String: public QPDFObject
+{
+  public:
+    QPDF_String(std::string const& val);
+    virtual ~QPDF_String();
+    virtual std::string unparse();
+    std::string unparse(bool force_binary);
+    std::string getVal() const;
+    std::string getUTF8Val() const;
+
+  private:
+    std::string val;
+};
+
+#endif // __QPDF_STRING_HH__
diff --git a/libqpdf/qpdf/RC4.hh b/libqpdf/qpdf/RC4.hh
new file mode 100644
index 00000000..657bf35b
--- /dev/null
+++ b/libqpdf/qpdf/RC4.hh
@@ -0,0 +1,26 @@
+
+#ifndef __RC4_HH__
+#define __RC4_HH__
+
+class RC4
+{
+  public:
+    // key_len of -1 means treat key_data as a null-terminated string
+    RC4(unsigned char const* key_data, int key_len = -1);
+
+    // out_data = 0 means to encrypt/decrypt in place
+    void process(unsigned char* in_data, int len, unsigned char* out_data = 0);
+
+  private:
+    class RC4Key
+    {
+      public:
+        unsigned char state[256];
+        unsigned char x;
+        unsigned char y;
+    };
+
+    RC4Key key;
+};
+
+#endif // __RC4_HH__
diff --git a/libtests/Makefile b/libtests/Makefile
new file mode 100644
index 00000000..90899055
--- /dev/null
+++ b/libtests/Makefile
@@ -0,0 +1 @@
+include ../make/proxy.mk
diff --git a/libtests/ascii85.cc b/libtests/ascii85.cc
new file mode 100644
index 00000000..4b5fed13
--- /dev/null
+++ b/libtests/ascii85.cc
@@ -0,0 +1,36 @@
+#include <qpdf/Pl_ASCII85Decoder.hh>
+
+#include <qpdf/Pl_StdioFile.hh>
+#include <iostream>
+
+int main()
+{
+    Pl_StdioFile out("stdout", stdout);
+    Pl_ASCII85Decoder decode("decode", &out);
+
+    try
+    {
+	unsigned char buf[10000];
+	bool done = false;
+	while (! done)
+	{
+	    int len = read(0, buf, sizeof(buf));
+	    if (len <= 0)
+	    {
+		done = true;
+	    }
+	    else
+	    {
+		decode.write(buf, len);
+	    }
+	}
+	decode.finish();
+    }
+    catch (std::exception& e)
+    {
+	std::cerr << e.what() << std::endl;
+	exit(2);
+    }
+
+    return 0;
+}
diff --git a/libtests/bits.cc b/libtests/bits.cc
new file mode 100644
index 00000000..09f5d8e2
--- /dev/null
+++ b/libtests/bits.cc
@@ -0,0 +1,177 @@
+
+#include <qpdf/BitStream.hh>
+#include <qpdf/BitWriter.hh>
+#include <qpdf/Pl_Buffer.hh>
+#include <iostream>
+
+// See comments in bits.cc
+#define BITS_TESTING 1
+#define BITS_READ 1
+#define BITS_WRITE 1
+#include "../libqpdf/bits.icc"
+
+static void
+print_values(int byte_offset, unsigned int bit_offset,
+	     unsigned int bits_available)
+{
+    std::cout << "byte offset = " << byte_offset << ", "
+	      << "bit offset = " << bit_offset << ", "
+	      << "bits available = " << bits_available << std::endl;
+}
+
+static void
+test_read_bits(unsigned char const* buf,
+	       unsigned char const*& p, unsigned int& bit_offset,
+	       unsigned int& bits_available, int bits_wanted)
+{
+    unsigned long result =
+	read_bits(p, bit_offset, bits_available, bits_wanted);
+
+    std::cout << "bits read: " << bits_wanted << ", result = " << result
+	      << std::endl;
+    print_values(p - buf, bit_offset, bits_available);
+}
+
+static void
+test_write_bits(unsigned char& ch, unsigned int& bit_offset, unsigned long val,
+		int bits, Pl_Buffer* bp)
+{
+    write_bits(ch, bit_offset, val, bits, bp);
+    printf("ch = %02x, bit_offset = %d\n", (unsigned int) ch, bit_offset);
+}
+
+static void
+print_buffer(Pl_Buffer* bp)
+{
+    bp->finish();
+    Buffer* b = bp->getBuffer();
+    unsigned char const* p = b->getBuffer();
+    unsigned long l = b->getSize();
+    for (unsigned long i = 0; i < l; ++i)
+    {
+	printf("%02x%s", (unsigned int)(p[i]),
+	       (i == l - 1) ? "\n" : " ");
+    }
+    printf("\n");
+    delete b;
+}
+
+static void
+test()
+{
+    // 11110101 00010101 01100101 01111001 00010010 10001001 01110101 01001011
+    // F5 15 65 79 12 89 75 4B
+
+    // Read tests
+
+    static unsigned char const buf[] = {
+	0xF5, 0x15, 0x65, 0x79, 0x12, 0x89, 0x75, 0x4B
+    };
+
+    unsigned char const* p = buf;
+    unsigned int bit_offset = 7;
+    unsigned int bits_available = 64;
+
+    // 11110:101 0:001010:1 01100101: 01111001
+    // 0:00:1:0010 10001001 01110101 01001:011
+    print_values(p - buf, bit_offset, bits_available);
+    test_read_bits(buf, p, bit_offset, bits_available, 5);
+    test_read_bits(buf, p, bit_offset, bits_available, 4);
+    test_read_bits(buf, p, bit_offset, bits_available, 6);
+    test_read_bits(buf, p, bit_offset, bits_available, 9);
+    test_read_bits(buf, p, bit_offset, bits_available, 9);
+    test_read_bits(buf, p, bit_offset, bits_available, 2);
+    test_read_bits(buf, p, bit_offset, bits_available, 1);
+    test_read_bits(buf, p, bit_offset, bits_available, 0);
+    test_read_bits(buf, p, bit_offset, bits_available, 25);
+
+    try
+    {
+	test_read_bits(buf, p, bit_offset, bits_available, 4);
+    }
+    catch (std::exception& e)
+    {
+	std::cout << "exception: " << e.what() << std::endl;
+	print_values(p - buf, bit_offset, bits_available);
+    }
+
+    test_read_bits(buf, p, bit_offset, bits_available, 3);
+    std::cout << std::endl;
+
+    // 11110101 00010101 01100101 01111001: 00010010 10001001 01110101 01001011
+
+    p = buf;
+    bit_offset = 7;
+    bits_available = 64;
+    print_values(p - buf, bit_offset, bits_available);
+    test_read_bits(buf, p, bit_offset, bits_available, 32);
+    test_read_bits(buf, p, bit_offset, bits_available, 32);
+    std::cout << std::endl;
+
+    BitStream b(buf, 8);
+    std::cout << b.getBits(32) << std::endl;
+    b.reset();
+    std::cout << b.getBits(32) << std::endl;
+    std::cout << b.getBits(32) << std::endl;
+    std::cout << std::endl;
+
+    b.reset();
+    std::cout << b.getBits(6) << std::endl;
+    b.skipToNextByte();
+    std::cout << b.getBits(8) << std::endl;
+    b.skipToNextByte();
+    std::cout << b.getBits(8) << std::endl;
+    std::cout << std::endl;
+
+    // Write tests
+
+    // 11110:101 0:001010:1 01100101: 01111001
+    // 0:00:1:0010 10001001 01110101 01001:011
+
+    unsigned char ch = 0;
+    bit_offset = 7;
+    Pl_Buffer* bp = new Pl_Buffer("buffer");
+
+    test_write_bits(ch, bit_offset, 30UL, 5, bp);
+    test_write_bits(ch, bit_offset, 10UL, 4, bp);
+    test_write_bits(ch, bit_offset, 10UL, 6, bp);
+    test_write_bits(ch, bit_offset, 16059UL, 0, bp);
+    test_write_bits(ch, bit_offset, 357UL, 9, bp);
+    print_buffer(bp);
+
+    test_write_bits(ch, bit_offset, 242UL, 9, bp);
+    test_write_bits(ch, bit_offset, 0UL, 2, bp);
+    test_write_bits(ch, bit_offset, 1UL, 1, bp);
+    test_write_bits(ch, bit_offset, 5320361UL, 25, bp);
+    test_write_bits(ch, bit_offset, 3UL, 3, bp);
+
+    print_buffer(bp);
+    test_write_bits(ch, bit_offset, 4111820153UL, 32, bp);
+    test_write_bits(ch, bit_offset, 310998347UL, 32, bp);
+    print_buffer(bp);
+
+    BitWriter bw(bp);
+    bw.writeBits(30UL, 5);
+    bw.flush();
+    bw.flush();
+    bw.writeBits(0xABUL, 8);
+    bw.flush();
+    print_buffer(bp);
+
+    delete bp;
+}
+
+int main()
+{
+    try
+    {
+	test();
+    }
+    catch (std::exception& e)
+    {
+	std::cout << "unexpected exception: " << e.what() << std::endl;
+	exit(2);
+    }
+    std::cout << "done" << std::endl;
+    return 0;
+}
diff --git a/libtests/buffer.cc b/libtests/buffer.cc
new file mode 100644
index 00000000..6494c5c4
--- /dev/null
+++ b/libtests/buffer.cc
@@ -0,0 +1,61 @@
+
+#include <qpdf/Pl_Buffer.hh>
+#include <qpdf/Pl_Count.hh>
+#include <qpdf/Pl_Discard.hh>
+
+typedef unsigned char* uc;
+
+int main()
+{
+    try
+    {
+	Pl_Discard discard;
+	Pl_Count count("count", &discard);
+	Pl_Buffer bp1("bp1", &count);
+	bp1.write((uc)"12345", 5);
+	bp1.write((uc)"67890", 5);
+	bp1.finish();
+	std::cout << "count: " << count.getCount() << std::endl;
+	bp1.write((uc)"abcde", 5);
+	bp1.write((uc)"fghij", 6);
+	bp1.finish();
+	std::cout << "count: " << count.getCount() << std::endl;
+	Buffer* b = bp1.getBuffer();
+	std::cout << "size: " << b->getSize() << std::endl;
+	std::cout << "data: " << b->getBuffer() << std::endl;
+	delete b;
+	bp1.write((uc)"qwert", 5);
+	bp1.write((uc)"yuiop", 6);
+	bp1.finish();
+	std::cout << "count: " << count.getCount() << std::endl;
+	b = bp1.getBuffer();
+	std::cout << "size: " << b->getSize() << std::endl;
+	std::cout << "data: " << b->getBuffer() << std::endl;
+	delete b;
+
+	Pl_Buffer bp2("bp2");
+	bp2.write((uc)"moo", 3);
+	bp2.write((uc)"quack", 6);
+	try
+	{
+	    delete bp2.getBuffer();
+	}
+	catch (std::exception& e)
+	{
+	    std::cout << e.what() << std::endl;
+	}
+	bp2.finish();
+	b = bp2.getBuffer();
+	std::cout << "size: " << b->getSize() << std::endl;
+	std::cout << "data: " << b->getBuffer() << std::endl;
+	delete b;
+    }
+    catch (std::exception& e)
+    {
+	std::cout << "unexpected exception: " << e.what() << std::endl;
+	exit(2);
+    }
+
+    std::cout << "done" << std::endl;
+    return 0;
+}
diff --git a/libtests/build.mk b/libtests/build.mk
new file mode 100644
index 00000000..4a58fcaa
--- /dev/null
+++ b/libtests/build.mk
@@ -0,0 +1,40 @@
+BINS_libtests = \
+	ascii85 \
+	bits \
+	buffer \
+	flate \
+	hex \
+	lzw \
+	md5 \
+	pcre \
+	png_filter \
+	pointer_holder \
+	qexc \
+	qutil \
+	rc4
+
+TARGETS_libtests = $(foreach B,$(BINS_libtests),libtests/$(OUTPUT_DIR)/$(B))
+
+$(TARGETS_libtests): $(TARGETS_libqpdf)
+
+INCLUDES_libtests = include libqpdf
+
+TC_SRCS_libtests = $(wildcard libqpdf/*.cc) $(wildcard libtests/*.cc) \
+	libqpdf/bits.icc
+
+# -----
+
+$(foreach B,$(BINS_libtests),$(eval \
+  OBJS_$(B) = $(call src_to_obj,libtests/$(B).cc)))
+
+ifeq ($(GENDEPS),1)
+-include $(foreach B,$(BINS_libtests),$(call obj_to_dep,$(OBJS_$(B))))
+endif
+
+$(foreach B,$(BINS_libtests),$(eval \
+  $(OBJS_$(B)): libtests/$(OUTPUT_DIR)/%.o: libtests/$(B).cc ; \
+	$(call compile,libtests/$(B).cc,$(INCLUDES_libtests))))
+
+$(foreach B,$(BINS_libtests),$(eval \
+  libtests/$(OUTPUT_DIR)/$(B): $(OBJS_$(B)) ; \
+	$(call makebin,$(OBJS_$(B)),$$@)))
diff --git a/libtests/flate.cc b/libtests/flate.cc
new file mode 100644
index 00000000..0b5b8977
--- /dev/null
+++ b/libtests/flate.cc
@@ -0,0 +1,110 @@
+
+#include <qpdf/Pl_Flate.hh>
+#include <qpdf/Pl_StdioFile.hh>
+#include <qpdf/Pl_Count.hh>
+
+#include <iostream>
+#include <errno.h>
+
+FILE* safe_fopen(char const* filename, char const* mode)
+{
+    FILE* result = fopen(filename, mode);
+    if (result == 0)
+    {
+	std::cerr << "fopen " << filename << " failed: " << strerror(errno)
+		  << std::endl;
+    }
+    return result;
+}
+
+void run(char const* filename)
+{
+    std::string n1 = std::string(filename) + ".1";
+    std::string n2 = std::string(filename) + ".2";
+    std::string n3 = std::string(filename) + ".3";
+
+    FILE* o1 = safe_fopen(n1.c_str(), "wb");
+    FILE* o2 = safe_fopen(n2.c_str(), "wb");
+    FILE* o3 = safe_fopen(n3.c_str(), "wb");
+    Pipeline* out1 = new Pl_StdioFile("o1", o1);
+    Pipeline* out2 = new Pl_StdioFile("o2", o2);
+    Pipeline* out3 = new Pl_StdioFile("o3", o3);
+
+    // Compress the file
+    Pipeline* def1 = new Pl_Flate("def1", out1, Pl_Flate::a_deflate);
+
+    // Decompress the file
+    Pipeline* inf2 = new Pl_Flate("inf2", out2, Pl_Flate::a_inflate);
+
+    // Count bytes written to o3
+    Pl_Count* count3 = new Pl_Count("count3", out3);
+
+    // Do both simultaneously
+    Pipeline* inf3 = new Pl_Flate("inf3", count3, Pl_Flate::a_inflate);
+    Pipeline* def3 = new Pl_Flate("def3", inf3, Pl_Flate::a_deflate);
+
+    FILE* in1 = safe_fopen(filename, "rb");
+    unsigned char buf[1024];
+    size_t len;
+    while ((len = fread(buf, 1, sizeof(buf), in1)) > 0)
+    {
+	// Write to the compression pipeline
+	def1->write(buf, len);
+
+	// Write to the both pipeline
+	def3->write(buf, len);
+    }
+
+    def1->finish();
+    delete def1;
+    delete out1;
+    fclose(o1);
+
+    def3->finish();
+
+    std::cout << "bytes written to o3: " << count3->getCount() << std::endl;
+
+
+    delete def3;
+    delete inf3;
+    delete count3;
+    delete out3;
+    fclose(o3);
+
+    // Now read the compressed data and write to the output uncompress pipeline
+    FILE* in2 = safe_fopen(n1.c_str(), "rb");
+    while ((len = fread(buf, 1, sizeof(buf), in2)) > 0)
+    {
+	inf2->write(buf, len);
+    }
+
+    inf2->finish();
+    delete inf2;
+    delete out2;
+    fclose(o2);
+
+    // At this point, filename, filename.2, and filename.3 should have
+    // identical contents.  filename.1 should be a compressed version.
+
+    std::cout << "done" << std::endl;
+}
+
+int main(int argc, char* argv[])
+{
+    if (argc != 2)
+    {
+	std::cerr << "Usage: pipeline filename" << std::endl;
+	exit(2);
+    }
+    char* filename = argv[1];
+
+    try
+    {
+	run(filename);
+    }
+    catch (QEXC::General& e)
+    {
+	std::cout << e.unparse() << std::endl;
+    }
+    return 0;
+}
diff --git a/libtests/hex.cc b/libtests/hex.cc
new file mode 100644
index 00000000..0bd6354a
--- /dev/null
+++ b/libtests/hex.cc
@@ -0,0 +1,36 @@
+#include <qpdf/Pl_ASCIIHexDecoder.hh>
+
+#include <qpdf/Pl_StdioFile.hh>
+#include <iostream>
+
+int main()
+{
+    Pl_StdioFile out("stdout", stdout);
+    Pl_ASCIIHexDecoder decode("decode", &out);
+
+    try
+    {
+	unsigned char buf[10000];
+	bool done = false;
+	while (! done)
+	{
+	    int len = read(0, buf, sizeof(buf));
+	    if (len <= 0)
+	    {
+		done = true;
+	    }
+	    else
+	    {
+		decode.write(buf, len);
+	    }
+	}
+	decode.finish();
+    }
+    catch (std::exception& e)
+    {
+	std::cerr << e.what() << std::endl;
+	exit(2);
+    }
+
+    return 0;
+}
diff --git a/libtests/libtests.testcov b/libtests/libtests.testcov
new file mode 100644
index 00000000..ddbccd24
--- /dev/null
+++ b/libtests/libtests.testcov
@@ -0,0 +1,18 @@
+ignored-scope: qpdf
+Pl_LZWDecoder intermediate reset 0
+Pl_LZWDecoder last was table size 0
+Pl_ASCII85Decoder ignore space 0
+Pl_ASCII85Decoder read z 0
+Pl_ASCII85Decoder no-op flush 0
+Pl_ASCII85Decoder partial flush 1
+bits leftover 1
+bits bit_offset 2
+bits iterations 2
+bits zero bits wanted 0
+bits write iterations 2
+bits write leftover 0
+bits write pipeline 0
+bits write zero bits 0
+Pl_ASCIIHexDecoder ignore space 0
+Pl_ASCIIHexDecoder no-op flush 0
+Pl_ASCIIHexDecoder partial flush 1
diff --git a/libtests/lzw.cc b/libtests/lzw.cc
new file mode 100644
index 00000000..38c8e541
--- /dev/null
+++ b/libtests/lzw.cc
@@ -0,0 +1,38 @@
+#include <qpdf/Pl_LZWDecoder.hh>
+
+#include <qpdf/Pl_StdioFile.hh>
+#include <iostream>
+
+int main()
+{
+    Pl_StdioFile out("stdout", stdout);
+    // We don't exercise LZWDecoder with early code change false
+    // because we have no way to generate such an LZW stream.
+    Pl_LZWDecoder decode("decode", &out, true);
+
+    try
+    {
+	unsigned char buf[10000];
+	bool done = false;
+	while (! done)
+	{
+	    int len = read(0, buf, sizeof(buf));
+	    if (len <= 0)
+	    {
+		done = true;
+	    }
+	    else
+	    {
+		decode.write(buf, len);
+	    }
+	}
+	decode.finish();
+    }
+    catch (std::exception& e)
+    {
+	std::cerr << e.what() << std::endl;
+	exit(2);
+    }
+
+    return 0;
+}
diff --git a/libtests/md5.cc b/libtests/md5.cc
new file mode 100644
index 00000000..e1c69bb6
--- /dev/null
+++ b/libtests/md5.cc
@@ -0,0 +1,74 @@
+
+#include <qpdf/MD5.hh>
+#include <qpdf/Pl_MD5.hh>
+#include <qpdf/Pl_Discard.hh>
+#include <iostream>
+
+static void test_string(char const* str)
+{
+    MD5 a;
+    a.encodeString(str);
+    a.print();
+}
+
+int main(int, char*[])
+{
+    test_string("");
+    test_string("a");
+    test_string("abc");
+    test_string("message digest");
+    test_string("abcdefghijklmnopqrstuvwxyz");
+    test_string("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghi"
+		"jklmnopqrstuvwxyz0123456789");
+    test_string("1234567890123456789012345678901234567890"
+		"1234567890123456789012345678901234567890");
+    MD5 a;
+    a.encodeFile("md5.in");
+    std::cout << a.unparse() << std::endl;
+    MD5 b;
+    b.encodeFile("md5.in", 100);
+    std::cout << b.unparse() << std::endl;
+
+    std::cout
+	<< MD5::checkDataChecksum("900150983cd24fb0d6963f7d28e17f72", "abc", 3)
+	<< std::endl
+	<< MD5::checkFileChecksum("5f4b4321873433daae578f85c72f9e74", "md5.in")
+	<< std::endl
+	<< MD5::checkFileChecksum("6f4b4321873433daae578f85c72f9e74", "md5.in")
+	<< std::endl
+	<< MD5::checkDataChecksum("000150983cd24fb0d6963f7d28e17f72", "abc", 3)
+	<< std::endl
+	<< MD5::checkFileChecksum("6f4b4321873433daae578f85c72f9e74", "glerbl")
+	<< std::endl;
+
+
+    Pl_Discard d;
+    Pl_MD5 p("MD5", &d);
+    for (int i = 0; i < 2; ++i)
+    {
+	FILE* f = fopen("md5.in", "rb");
+	if (f)
+	{
+	    // buffer size < size of md5.in
+	    unsigned char buf[50];
+	    bool done = false;
+	    while (! done)
+	    {
+		int len = fread(buf, 1, sizeof(buf), f);
+		if (len <= 0)
+		{
+		    done = true;
+		}
+		else
+		{
+		    p.write(buf, len);
+		}
+	    }
+	    fclose(f);
+	    p.finish();
+	    std::cout << p.getHexDigest() << std::endl;
+	}
+    }
+
+    return 0;
+}
diff --git a/libtests/pcre.cc b/libtests/pcre.cc
new file mode 100644
index 00000000..0df692a3
--- /dev/null
+++ b/libtests/pcre.cc
@@ -0,0 +1,30 @@
+
+#include <qpdf/PCRE.hh>
+#include <iostream>
+
+int main(int argc, char* argv[])
+{
+    if ((argc == 2) && (strcmp(argv[1], "--unicode-classes-supported") == 0))
+    {
+	try
+	{
+	    PCRE("^([\\p{L}]+)", PCRE_UTF8);
+	    std::cout << "1" << std::endl;
+	}
+	catch (PCRE::Exception& e)
+	{
+	    std::cout << "0" << std::endl;
+	}
+	return 0;
+    }
+
+    if ((argc == 2) && (strcmp(argv[1], "--unicode-classes") == 0))
+    {
+	PCRE::test(1);
+    }
+    else
+    {
+	PCRE::test();
+    }
+    return 0;
+}
diff --git a/libtests/png_filter.cc b/libtests/png_filter.cc
new file mode 100644
index 00000000..eef1aa3d
--- /dev/null
+++ b/libtests/png_filter.cc
@@ -0,0 +1,84 @@
+
+#include <qpdf/Pl_PNGFilter.hh>
+#include <qpdf/Pl_StdioFile.hh>
+
+#include <iostream>
+#include <errno.h>
+#include <assert.h>
+
+FILE* safe_fopen(char const* filename, char const* mode)
+{
+    FILE* result = fopen(filename, mode);
+    if (result == 0)
+    {
+	std::cerr << "fopen " << filename << " failed: " << strerror(errno)
+		  << std::endl;
+    }
+    return result;
+}
+
+void run(char const* filename, bool encode, unsigned int columns)
+{
+    // Decode the file
+    FILE* in = safe_fopen(filename, "rb");
+    FILE* o1 = safe_fopen("out", "wb");
+    Pipeline* out = new Pl_StdioFile("out", o1);
+    Pipeline* pl = new Pl_PNGFilter(
+	"png", out,
+	encode ? Pl_PNGFilter::a_encode : Pl_PNGFilter::a_decode,
+	columns, 0 /* not used */);
+    assert((2 * (columns + 1)) < 1024);
+    unsigned char buf[1024];
+    size_t len;
+    while (true)
+    {
+	len = fread(buf, 1, (2 * columns) + 1, in);
+	if (len == 0)
+	{
+	    break;
+	}
+	pl->write(buf, len);
+	len = fread(buf, 1, 1, in);
+	if (len == 0)
+	{
+	    break;
+	}
+	pl->write(buf, len);
+	len = fread(buf, 1, 1, in);
+	if (len == 0)
+	{
+	    break;
+	}
+	pl->write(buf, len);
+    }
+
+    pl->finish();
+    delete pl;
+    delete out;
+    fclose(o1);
+    fclose(in);
+
+    std::cout << "done" << std::endl;
+}
+
+int main(int argc, char* argv[])
+{
+    if (argc != 4)
+    {
+	std::cerr << "Usage: pipeline {en,de}code filename columns" << std::endl;
+	exit(2);
+    }
+    bool encode = (strcmp(argv[1], "encode") == 0);
+    char* filename = argv[2];
+    int columns = atoi(argv[3]);
+
+    try
+    {
+	run(filename, encode, columns);
+    }
+    catch (QEXC::General& e)
+    {
+	std::cout << e.unparse() << std::endl;
+    }
+    return 0;
+}
diff --git a/libtests/pointer_holder.cc b/libtests/pointer_holder.cc
new file mode 100644
index 00000000..9176df17
--- /dev/null
+++ b/libtests/pointer_holder.cc
@@ -0,0 +1,81 @@
+
+#include <qpdf/PointerHolder.hh>
+
+#include <iostream>
+#include <stdlib.h>
+#include <list>
+
+#include <qpdf/QUtil.hh>
+
+class Object
+{
+  public:
+    Object();
+    ~Object();
+    void hello();
+
+  private:
+    static int next_id;
+    int id;
+};
+
+
+int Object::next_id = 0;
+
+Object::Object()
+{
+    this->id = ++next_id;
+    std::cout << "created Object, id " << this->id << std::endl;
+}
+
+Object::~Object()
+{
+    std::cout << "destroyed Object, id " << this->id << std::endl;
+}
+
+void
+Object::hello()
+{
+    std::cout << "calling Object::hello for " << this->id << std::endl;
+}
+
+typedef PointerHolder<Object> ObjectHolder;
+
+int main(int argc, char* argv[])
+{
+    std::list<ObjectHolder> ol1;
+
+    ObjectHolder oh0;
+    {
+	std::cout << "hello" << std::endl;
+	Object* o1 = new Object;
+	ObjectHolder oh1(o1);
+	ObjectHolder oh2(oh1);
+	ObjectHolder oh3(new Object);
+	ObjectHolder oh4;
+	ObjectHolder oh5;
+	if (oh4 == oh5)
+	{
+	    std::cout << "nulls equal" << std::endl;
+	}
+	oh3 = oh1;
+	oh4 = oh2;
+	if (oh3 == oh4)
+	{
+	    std::cout << "equal okay" << std::endl;
+	}
+	if ((! (oh3 < oh4)) && (! (oh4 < oh3)))
+	{
+	    std::cout << "less than okay" << std::endl;
+	}
+	ol1.push_back(oh3);
+	ol1.push_back(oh3);
+	Object* o3 = new Object;
+	oh0 = o3;
+    }
+
+    ol1.front().getPointer()->hello();
+    ol1.pop_front();
+    std::cout << "goodbye" << std::endl;
+    return 0;
+}
diff --git a/libtests/qexc.cc b/libtests/qexc.cc
new file mode 100644
index 00000000..db12d39c
--- /dev/null
+++ b/libtests/qexc.cc
@@ -0,0 +1,65 @@
+
+#include <qpdf/QEXC.hh>
+#include <iostream>
+#include <errno.h>
+
+void do_terminate()
+{
+    try
+    {
+	throw;
+    }
+    catch (std::exception& e)
+    {
+	std::cerr << "uncaught exception: " << e.what() << std::endl;
+	exit(3);
+    }
+    exit(4);
+}
+
+void f(int n)
+{
+    switch (n)
+    {
+      case 0:
+	throw QEXC::General("general exception");
+	break;
+
+      case 1:
+	throw QEXC::Internal("internal error");
+	break;
+
+      case 2:
+	throw QEXC::System("doing something", EINVAL);
+	break;
+
+      case 3:
+	{
+	    int a = -1;
+	    new char[a];
+	}
+	break;
+    }
+}
+
+int main(int argc, char* argv[])
+{
+    std::set_terminate(do_terminate);
+    if (argc != 2)
+    {
+	std::cerr << "usage: qexc n" << std::endl;
+	exit(2);
+    }
+
+    try
+    {
+	f(atoi(argv[1]));
+    }
+    catch (QEXC::General& e)
+    {
+	std::cerr << "exception: " << e.unparse() << std::endl;
+	std::cerr << "what: " << e.what() << std::endl;
+	exit(2);
+    }
+    return 0;
+}
diff --git a/libtests/qtest/ascii85.test b/libtests/qtest/ascii85.test
new file mode 100644
index 00000000..07551bd1
--- /dev/null
+++ b/libtests/qtest/ascii85.test
@@ -0,0 +1,22 @@
+#!/usr/bin/env perl
+require 5.008;
+BEGIN { $^W = 1; }
+use strict;
+
+chdir("ascii85") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+my $td = new TestDriver('ascii85');
+
+$td->runtest("decode",
+	     {$td->COMMAND => "ascii85 < base85.in"},
+	     {$td->FILE => "binary.out",
+	      $td->EXIT_STATUS => 0});
+
+$td->runtest("partial decode",
+	     {$td->COMMAND => "echo '\@<5skEHbu7\$3~>' | ascii85"},
+	     {$td->STRING => "asdfqwer\n",
+	      $td->EXIT_STATUS => 0});
+
+$td->report(2);
diff --git a/libtests/qtest/ascii85/base85.in b/libtests/qtest/ascii85/base85.in
new file mode 100644
index 00000000..0237ac51
--- /dev/null
+++ b/libtests/qtest/ascii85/base85.in
@@ -0,0 +1,43 @@
+70!<9iWTSm7K<E>iWTSm7fWNCiWTSm8,rWHiWTSm8H8`MiWTSm8cSiRiWTSm
+9)nrWiWTSm9E5&\iWTSm9`P/aiWTSm:&k8fiWTSm:B1AkiWTSm:]LJpiWTSm
+;#gSuiWTSm;?-]%iWTSm;ZHf*iWTSm;uco/iWTSm<<*#4iWTSm<WE,9iWTSm
+<r`5>iWTSm=9&>CiWTSm=TAGHiWTSm=o\P&M<.ZglicMP!!!"'J]"ig!<A%A
+q#CBoL!k&HkhZ:>!9c9E!!)4J#6=g,>KOe_2$i.E#lc1Zi<9Je!!!$!,nT#=
+#\X2<!!)9As8W-!,o#;A#\XJD!!)91s8W-!,oGSE#\XbL!!)9!s8W-!,okkI
+#\Y%T!!)8fs8W-!,p;.M#\Y=\!!)8Vs8W-!,p_FQ#\YUd!!)8Fs8W-!,q.^U
+#\Yml!!)86s8W-!,qS!Y#\Z0t!!)8&s8W-!,r"9]#\ZI'!!)7ks8W-!,rFQa
+#\Za/!!)7[s8W-!,rjie#\[$7!!)7Ks8W-!,s:,i#\[<?!!)7;s8W-!,s^Dm
+#\[TG!!)7+s8W-!,t-\q#\[lO!!)6ps8W-!,tQtu#\\/W!!)6`s8W-!,u!8$
+#\\G_!!)9Qrr<#u,uEP(#\\_g!!)9Arr<#u,uih,#\]"o!!)91rr<#u-!9+0
+#\];"!!)9!rr<#u-!]C4#\]S*!!)8frr<#u-",[8#\]k2!!)8Vrr<#u-"Ps<
+#\^.:!!)8Frr<#u-"u6@#\^FB!!)86rr<#u-#DND#\^^J!!)8&rr<#u-#hfH
+#\_!R!!)7krr<#u-$8)L#\_9Z!!)7[rr<#u-$\AP#\_Qb!!)7Krr<#u-%+YT
+#\_ij!!)7;rr<#u-%OqX#\`,r!!)7+rr<#u-%t4\#\`E%!!)6prr<#u-&CL`
+#\`]-!!)6`rr<#u-&gdd#\`u5!!)9QrVuot-'7'h#\X2=!!)9ArVuot-'[?l
+#\XJE!!)91rVuot-(*Wp#\XbM!!)9!rVuot-(Not#\Y%U!!)8frVuot-(s3#
+#\Y=]!!)8VrVuot-)BK'#\YUe!!)8FrVuot-)fc+#\Ymm!!)86rVuot-*6&/
+#\Z0u!!)8&rVuot-*Z>3#\ZI(!!)7krVuot-+)V7#\Za0!!)7[rVuot-+Mn;
+#\[$8!!)7KrVuot-+r1?#\[<@!!)7;rVuot-,AIC#\[TH!!)7+rVuot-,eaG
+#\[lP!!)6prVuot--5$K#\\/X!!)6`rVuot--Y<O#\\G`!!)9Qr;Zfs-.(TS
+#\\_h!!)9Ar;Zfs-.LlW#\]"p!!)91r;Zfs-.q/[#\];#!!)9!r;Zfs-/@G_
+#\]S+!!)8fr;Zfs-/d_c#\]k3!!)8Vr;Zfs-04"g#\^.;!!)8Fr;Zfs-0X:k
+#\^FC!!)86r;Zfs-1'Ro#\^^K!!)8&r;Zfs-1Kjs#\_!S!!)7kr;Zfs-1p."
+#\_9[!!)7[r;Zfs-2?F&#\_Qc!!)7Kr;Zfs-2c^*#\_ik!!)7;r;Zfs,llp.
+#\`,s!!)7+r;Zfs,m<32#\`E&!!)6pr;Zfs,m`K6#\`].!!)6`r;Zfs,n/c:
+#\`u6!!)9Qqu?]r,nT&>#\X2>!!)9Aqu?]r,o#>B#\XJF!!)91qu?]r,oGVF
+#\XbN!!)9!qu?]r,oknJ#\Y%V!!)8fqu?]r,p;1N#\Y=^!!)8Vqu?]r,p_IR
+#\YUf!!)8Fqu?]r,q.aV#\Ymn!!)86qu?]r,qS$Z#\Z1!!!)8&qu?]r,r"<^
+#\ZI)!!)7kqu?]r,rFTb#\Za1!!)7[qu?]r,rjlf#\[$9!!)7Kqu?]r,s:/j
+#\[<A!!)7;qu?]r,s^Gn#\[TI!!)7+qu?]r,t-_r#\[lQ!!)6pqu?]r,tR#!
+#\\/Y!!)6`qu?]r,u!;%#\\Ga!!)9QqZ$Tq,uES)#\\_i!!)9AqZ$Tq,uik-
+#\]"q!!)91qZ$Tq-!9.1#\];$!!)9!qZ$Tq-!]F5#\]S,!!)8fqZ$Tq-",^9
+#\]k4!!)8VqZ$Tq-"Q!=#\^.<!!)8FqZ$Tq-"u9A#\^FD!!)86qZ$Tq-#DQE
+#\^^L!!)8&qZ$Tq-#hiI#\_!T!!)7kqZ$Tq-$8,M#\_9\!!)7[qZ$Tq-$\DQ
+#\_Qd!!)7KqZ$Qqzz!!!!Rm9YY.KB2Mu<)RB0Rfs(2&=Wh/;-%B"jobtRPPb
+C[oT5/rOH>QcOH>QcOH>Q(M<0BV#_5(Ziro\gF:@ITK>7VbLuJRDs3dTsiWT
+UG&;APTlc'+Liro\hahs3?M<0BV#b_gf"UKgtF:u(`!!!"Q^iTn'"=+Q:"UP
+.Tahs4%OH>QcOH>QcOH>Q(M<0BV(lLfgMbOV<:]u[VM+f0#a$_0]zM,Y`'M$
+,*fQi6sbahs4"F=$ufM<0BV#`0NHMd6aJF<h!IFU3mu"H-:`MZts>1!q`($,
+La&Mb=>67L4oV%#\-p0uu*'$.'3I^kop\iW4rW,`0m+F<h!Gls7MgF=%!]+Q
+Wb4<Jfgk^i]p@70oY2jTPoq_i8g>NP$V=!!!"m+QWb4<Jfgk^i^*[,io18K>
+7M_,io18?,Mb`F=$ufKYWH+F:?1n~>trailing garbage
diff --git a/libtests/qtest/ascii85/binary.out b/libtests/qtest/ascii85/binary.out
new file mode 100644
index 00000000..f33a0b43
--- /dev/null
+++ b/libtests/qtest/ascii85/binary.out
diff --git a/libtests/qtest/bits.test b/libtests/qtest/bits.test
new file mode 100644
index 00000000..f5dac7b5
--- /dev/null
+++ b/libtests/qtest/bits.test
@@ -0,0 +1,17 @@
+#!/usr/bin/env perl
+require 5.008;
+BEGIN { $^W = 1; }
+use strict;
+
+chdir("bits") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+my $td = new TestDriver('bits');
+
+$td->runtest("bits",
+	     {$td->COMMAND => "bits"},
+	     {$td->FILE => "bits.out",
+	      $td->EXIT_STATUS => 0});
+
+$td->report(1);
diff --git a/libtests/qtest/bits/bits.out b/libtests/qtest/bits/bits.out
new file mode 100644
index 00000000..73111536
--- /dev/null
+++ b/libtests/qtest/bits/bits.out
@@ -0,0 +1,59 @@
+byte offset = 0, bit offset = 7, bits available = 64
+bits read: 5, result = 30
+byte offset = 0, bit offset = 2, bits available = 59
+bits read: 4, result = 10
+byte offset = 1, bit offset = 6, bits available = 55
+bits read: 6, result = 10
+byte offset = 1, bit offset = 0, bits available = 49
+bits read: 9, result = 357
+byte offset = 3, bit offset = 7, bits available = 40
+bits read: 9, result = 242
+byte offset = 4, bit offset = 6, bits available = 31
+bits read: 2, result = 0
+byte offset = 4, bit offset = 4, bits available = 29
+bits read: 1, result = 1
+byte offset = 4, bit offset = 3, bits available = 28
+bits read: 0, result = 0
+byte offset = 4, bit offset = 3, bits available = 28
+bits read: 25, result = 5320361
+byte offset = 7, bit offset = 2, bits available = 3
+exception: overflow reading bit stream
+byte offset = 7, bit offset = 2, bits available = 3
+bits read: 3, result = 3
+byte offset = 8, bit offset = 7, bits available = 0
+
+byte offset = 0, bit offset = 7, bits available = 64
+bits read: 32, result = 4111820153
+byte offset = 4, bit offset = 7, bits available = 32
+bits read: 32, result = 310998347
+byte offset = 8, bit offset = 7, bits available = 0
+
+4111820153
+4111820153
+310998347
+
+61
+21
+101
+
+ch = f0, bit_offset = 2
+ch = 00, bit_offset = 6
+ch = 14, bit_offset = 0
+ch = 14, bit_offset = 0
+ch = 00, bit_offset = 7
+f5 15 65
+
+ch = 00, bit_offset = 6
+ch = 00, bit_offset = 4
+ch = 10, bit_offset = 3
+ch = 48, bit_offset = 2
+ch = 00, bit_offset = 7
+79 12 89 75 4b
+
+ch = 00, bit_offset = 7
+ch = 00, bit_offset = 7
+f5 15 65 79 12 89 75 4b
+
+f0 ab
+
+done
diff --git a/libtests/qtest/buffer.test b/libtests/qtest/buffer.test
new file mode 100644
index 00000000..83ce4643
--- /dev/null
+++ b/libtests/qtest/buffer.test
@@ -0,0 +1,17 @@
+#!/usr/bin/env perl
+require 5.008;
+BEGIN { $^W = 1; }
+use strict;
+
+chdir("buffer") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+my $td = new TestDriver('buffer');
+
+$td->runtest("buffer",
+	     {$td->COMMAND => "buffer"},
+	     {$td->FILE => "buffer.out",
+	      $td->EXIT_STATUS => 0});
+
+$td->report(1);
diff --git a/libtests/qtest/buffer/buffer.out b/libtests/qtest/buffer/buffer.out
new file mode 100644
index 00000000..9ee2b545
--- /dev/null
+++ b/libtests/qtest/buffer/buffer.out
@@ -0,0 +1,11 @@
+count: 10
+count: 21
+size: 21
+data: 1234567890abcdefghij
+count: 32
+size: 11
+data: qwertyuiop
+INTERNAL ERROR: Pl_Buffer::getBuffer() called when not ready
+size: 9
+data: mooquack
+done
diff --git a/libtests/qtest/flate.test b/libtests/qtest/flate.test
new file mode 100644
index 00000000..fe850b3e
--- /dev/null
+++ b/libtests/qtest/flate.test
@@ -0,0 +1,73 @@
+#!/usr/bin/env perl
+require 5.008;
+BEGIN { $^W = 1; }
+use strict;
+use File::Copy;
+use Digest::MD5;
+
+chdir("flate") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('flate');
+
+cleanup();
+
+open(F, ">farbage") or die;
+print F "q" x 10000, "\n";
+print F "w" x 10000, "\n";
+print F "e" x 10000, "\n";
+print F "r" x 10000, "\n";
+print F "t" x 10000, "\n";
+print F "y" x 10000, "\n";
+print F "u" x 10000, "\n";
+print F "i" x 10000, "\n";
+print F "o" x 10000, "\n";
+print F "p" x 10000, "\n";
+close(F);
+
+check_file("farbage", "a6449c61db5b0645c0693b7560b77a60");
+
+$td->runtest("run driver",
+	     {$td->COMMAND => "flate farbage"},,
+	     {$td->STRING => "bytes written to o3: 100010\ndone\n",
+	      $td->EXIT_STATUS => 0},
+	     $td->NORMALIZE_NEWLINES);
+
+check_file("farbage", "a6449c61db5b0645c0693b7560b77a60");
+
+$td->runtest("compressed file correct",
+	     {$td->FILE => "farbage.1"},
+	     {$td->FILE => "compressed"});
+
+$td->runtest("uncompress filter works",
+	     {$td->FILE => "farbage"},
+	     {$td->FILE => "farbage.2"});
+
+$td->runtest("double filter works",
+	     {$td->FILE => "farbage"},
+	     {$td->FILE => "farbage.3"});
+
+cleanup();
+
+$td->report(6);
+
+sub cleanup
+{
+    system("rm -f farbage*");
+}
+
+sub check_file
+{
+    my ($file, $sum) = @_;
+    open(F, "<$file") or die "open $file";
+    my $md5 = new Digest::MD5;
+    $md5->addfile(*F);
+    close(F);
+    my $result = $md5->hexdigest;
+    $td->runtest("check $file",
+		 {$td->STRING => "$result\n"},
+		 {$td->STRING => "$sum\n"});
+}
diff --git a/libtests/qtest/flate/compressed b/libtests/qtest/flate/compressed
new file mode 100644
index 00000000..79b2da1b
--- /dev/null
+++ b/libtests/qtest/flate/compressed
diff --git a/libtests/qtest/hex.test b/libtests/qtest/hex.test
new file mode 100644
index 00000000..32ec84b5
--- /dev/null
+++ b/libtests/qtest/hex.test
@@ -0,0 +1,22 @@
+#!/usr/bin/env perl
+require 5.008;
+BEGIN { $^W = 1; }
+use strict;
+
+chdir("hex") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+my $td = new TestDriver('hex');
+
+$td->runtest("decode",
+	     {$td->COMMAND => "hex < hex.in"},
+	     {$td->FILE => "binary.out",
+	      $td->EXIT_STATUS => 0});
+
+$td->runtest("partial decode",
+	     {$td->COMMAND => "echo '7a65726F203D203>' | hex"},
+	     {$td->STRING => "zero = 0",
+	      $td->EXIT_STATUS => 0});
+
+$td->report(2);
diff --git a/libtests/qtest/hex/binary.out b/libtests/qtest/hex/binary.out
new file mode 100644
index 00000000..f33a0b43
--- /dev/null
+++ b/libtests/qtest/hex/binary.out
diff --git a/libtests/qtest/hex/hex.in b/libtests/qtest/hex/hex.in
new file mode 100644
index 00000000..9721a35a
--- /dev/null
+++ b/libtests/qtest/hex/hex.in
@@ -0,0 +1,70 @@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0000E930FCFFFFFF2500E2050868E0010000E920FCF
+FFFFF2504E2050868E8010000E910FCFFFFFF2508E2050868F0010000E9
+00FCFFFFFF250CE2050868F8010000E9F0FBFFFFFF2510E205086800020
+000E9E0FBFFFFFF2514E205086808020000E9D0FBFFFFFF2518E2050868
+10020000E9C0FBFFFFFF251CE205086818020000E9B0FBFFFFFF2520E20
+5086820020000E9A0FBFFFFFF2524E205086828020000E990FBFFFFFF25
+28E2050 8683	0020000E980FBFFFFFF252CE205086838020000E970FBFFF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>trailing farbage
diff --git a/libtests/qtest/lzw.test b/libtests/qtest/lzw.test
new file mode 100644
index 00000000..abb412d4
--- /dev/null
+++ b/libtests/qtest/lzw.test
@@ -0,0 +1,17 @@
+#!/usr/bin/env perl
+require 5.008;
+BEGIN { $^W = 1; }
+use strict;
+
+chdir("lzw") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+my $td = new TestDriver('lzw');
+
+$td->runtest("decode",
+	     {$td->COMMAND => "lzw < lzw1.in"},
+	     {$td->FILE => "lzw1.out",
+	      $td->EXIT_STATUS => 0});
+
+$td->report(1);
diff --git a/libtests/qtest/lzw/lzw1.in b/libtests/qtest/lzw/lzw1.in
new file mode 100644
index 00000000..d95d596c
--- /dev/null
+++ b/libtests/qtest/lzw/lzw1.in
diff --git a/libtests/qtest/lzw/lzw1.out b/libtests/qtest/lzw/lzw1.out
new file mode 100644
index 00000000..21b5a277
--- /dev/null
+++ b/libtests/qtest/lzw/lzw1.out
@@ -0,0 +1,4299 @@
+This is a test to see if I can use libtiff to get lzw.
+wwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
+Let's make something very long.
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diff --git a/libtests/qtest/md5.test b/libtests/qtest/md5.test
new file mode 100644
index 00000000..4c0685cd
--- /dev/null
+++ b/libtests/qtest/md5.test
@@ -0,0 +1,17 @@
+#!/usr/bin/env perl
+require 5.008;
+BEGIN { $^W = 1; }
+use strict;
+
+chdir("md5") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+my $td = new TestDriver('md5');
+
+$td->runtest("md5",
+	     {$td->COMMAND => "md5"},
+	     {$td->FILE => "md5.out",
+	      $td->EXIT_STATUS => 0});
+
+$td->report(1);
diff --git a/libtests/qtest/md5/md5.in b/libtests/qtest/md5/md5.in
new file mode 100644
index 00000000..408a68b4
--- /dev/null
+++ b/libtests/qtest/md5/md5.in
diff --git a/libtests/qtest/md5/md5.out b/libtests/qtest/md5/md5.out
new file mode 100644
index 00000000..148b4e66
--- /dev/null
+++ b/libtests/qtest/md5/md5.out
@@ -0,0 +1,16 @@
+d41d8cd98f00b204e9800998ecf8427e
+0cc175b9c0f1b6a831c399e269772661
+900150983cd24fb0d6963f7d28e17f72
+f96b697d7cb7938d525a2f31aaf161d0
+c3fcd3d76192e4007dfb496cca67e13b
+d174ab98d277d9f5a5611c2c9f419d9f
+57edf4a22be3c955ac49da2e2107b67a
+5f4b4321873433daae578f85c72f9e74
+914b11f5990cf99f1161bfeb5865a4fc
+1
+1
+0
+0
+0
+5f4b4321873433daae578f85c72f9e74
+5f4b4321873433daae578f85c72f9e74
diff --git a/libtests/qtest/pcre.test b/libtests/qtest/pcre.test
new file mode 100644
index 00000000..cf0418da
--- /dev/null
+++ b/libtests/qtest/pcre.test
@@ -0,0 +1,34 @@
+#!/usr/bin/env perl
+require 5.008;
+BEGIN { $^W = 1; }
+use strict;
+
+chdir("pcre") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+my $td = new TestDriver('pcre');
+
+$td->runtest("PCRE",
+	     {$td->COMMAND => "pcre"},
+	     {$td->FILE => "pcre.out",
+	      $td->EXIT_STATUS => 0},
+	     $td->NORMALIZE_NEWLINES);
+
+chop(my $supported = `pcre --unicode-classes-supported`);
+if ($supported)
+{
+    $td->runtest("unicode character classes",
+		 {$td->COMMAND => "pcre --unicode-classes"},
+		 {$td->FILE => "pcre-unicode-classes.out",
+		  $td->EXIT_STATUS => 0},
+		 $td->NORMALIZE_NEWLINES);
+}
+else
+{
+    $td->runtest("unicode classes are not supported",
+		 {$td->STRING => "1"},
+		 {$td->STRING => "1"});
+}
+
+$td->report(2);
diff --git a/libtests/qtest/pcre/pcre-unicode-classes.out b/libtests/qtest/pcre/pcre-unicode-classes.out
new file mode 100644
index 00000000..443febc5
--- /dev/null
+++ b/libtests/qtest/pcre/pcre-unicode-classes.out
@@ -0,0 +1,2 @@
+no utf8: ab
+utf8: abπdefq
diff --git a/libtests/qtest/pcre/pcre.out b/libtests/qtest/pcre/pcre.out
new file mode 100644
index 00000000..27e94e64
--- /dev/null
+++ b/libtests/qtest/pcre/pcre.out
@@ -0,0 +1,68 @@
+PCRE error: compilation of a** failed at offset 2: nothing to repeat
+3
+key: value one two three 
+0
+25
+key
+0
+3
+value one two three
+5
+19
+PCRE error: no match
+PCRE error: no match
+2
+aaa
+aaa
+--
+hello
+PCRE error: no match
+qqqcqqq: no match
+ab,c: 0: ab,c
+ab,c: 0: 0, 4
+ab,c: 1: ab,c
+ab,c: 1: 0, 4
+ab,c: 2: ab
+ab,c: 2: 0, 2
+ab,c: 3: b
+ab,c: 3: 1, 1
+ab,c: 4: c
+ab,c: 4: 3, 1
+ab: 0: ab
+ab: 0: 0, 2
+ab: 1: ab
+ab: 1: 0, 2
+ab: 2: ab
+ab: 2: 0, 2
+ab: 3: b
+ab: 3: 1, 1
+a: 0: a
+a: 0: 0, 1
+a: 1: a
+a: 1: 0, 1
+a: 2: a
+a: 2: 0, 1
+a,c: 0: a,c
+a,c: 0: 0, 3
+a,c: 1: a,c
+a,c: 1: 0, 3
+a,c: 2: a
+a,c: 2: 0, 1
+a,c: 3: no backref (getMatch)
+a,c: 3: no backref (getOffsetLength)
+a,c: 4: c
+a,c: 4: 2, 1
+c: 0: c
+c: 0: 0, 1
+c: 1: c
+c: 1: 0, 1
+c: 2: no backref (getMatch)
+c: 2: no backref (getOffsetLength)
+c: 3: no backref (getMatch)
+c: 3: no backref (getOffsetLength)
+c: 4: no backref (getMatch)
+c: 4: no backref (getOffsetLength)
+c: 5: c
+c: 5: 0, 1
+: 0: 
+: 0: 0, 0
diff --git a/libtests/qtest/ph.test b/libtests/qtest/ph.test
new file mode 100644
index 00000000..8e70efd5
--- /dev/null
+++ b/libtests/qtest/ph.test
@@ -0,0 +1,17 @@
+#!/usr/bin/env perl
+require 5.008;
+BEGIN { $^W = 1; }
+use strict;
+
+chdir("ph") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+my $td = new TestDriver('ph');
+
+$td->runtest("PointerHolder",
+	     {$td->COMMAND => "pointer_holder"},
+	     {$td->FILE => "ph.out",
+	      $td->EXIT_STATUS => 0});
+
+$td->report(1);
diff --git a/libtests/qtest/ph/ph.out b/libtests/qtest/ph/ph.out
new file mode 100644
index 00000000..37f63822
--- /dev/null
+++ b/libtests/qtest/ph/ph.out
@@ -0,0 +1,12 @@
+hello
+created Object, id 1
+created Object, id 2
+nulls equal
+destroyed Object, id 2
+equal okay
+less than okay
+created Object, id 3
+calling Object::hello for 1
+goodbye
+destroyed Object, id 3
+destroyed Object, id 1
diff --git a/libtests/qtest/png_filter.test b/libtests/qtest/png_filter.test
new file mode 100644
index 00000000..5b75a208
--- /dev/null
+++ b/libtests/qtest/png_filter.test
@@ -0,0 +1,63 @@
+#!/usr/bin/env perl
+require 5.008;
+BEGIN { $^W = 1; }
+use strict;
+use File::Copy;
+use Digest::MD5;
+
+chdir("png_filter") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+my $td = new TestDriver('png_filter');
+
+cleanup();
+
+$td->runtest("decode columns = 4",
+	     {$td->COMMAND => "png_filter decode in1 4"},
+	     {$td->STRING => "done\n",
+	      $td->EXIT_STATUS => 0},
+	     $td->NORMALIZE_NEWLINES);
+
+$td->runtest("check output",
+	     {$td->FILE => "out"},
+	     {$td->FILE => "out1"});
+
+$td->runtest("decode columns = 5",
+	     {$td->COMMAND => "png_filter decode in2 5"},
+	     {$td->STRING => "done\n",
+	      $td->EXIT_STATUS => 0},
+	     $td->NORMALIZE_NEWLINES);
+
+$td->runtest("check output",
+	     {$td->FILE => "out"},
+	     {$td->FILE => "out2"});
+
+$td->runtest("encode columns = 4",
+	     {$td->COMMAND => "png_filter encode out1 4"},
+	     {$td->STRING => "done\n",
+	      $td->EXIT_STATUS => 0},
+	     $td->NORMALIZE_NEWLINES);
+
+$td->runtest("check output",
+	     {$td->FILE => "out"},
+	     {$td->FILE => "in1"});
+
+$td->runtest("encode columns = 5",
+	     {$td->COMMAND => "png_filter encode out2 5"},
+	     {$td->STRING => "done\n",
+	      $td->EXIT_STATUS => 0},
+	     $td->NORMALIZE_NEWLINES);
+
+$td->runtest("check output",
+	     {$td->FILE => "out"},
+	     {$td->FILE => "in2"});
+
+cleanup();
+
+$td->report(8);
+
+sub cleanup
+{
+    unlink "out";
+}
diff --git a/libtests/qtest/png_filter/in1 b/libtests/qtest/png_filter/in1
new file mode 100644
index 00000000..bb830eca
--- /dev/null
+++ b/libtests/qtest/png_filter/in1
diff --git a/libtests/qtest/png_filter/in2 b/libtests/qtest/png_filter/in2
new file mode 100644
index 00000000..430a0740
--- /dev/null
+++ b/libtests/qtest/png_filter/in2
diff --git a/libtests/qtest/png_filter/out1 b/libtests/qtest/png_filter/out1
new file mode 100644
index 00000000..5625f331
--- /dev/null
+++ b/libtests/qtest/png_filter/out1
diff --git a/libtests/qtest/png_filter/out2 b/libtests/qtest/png_filter/out2
new file mode 100644
index 00000000..dad129df
--- /dev/null
+++ b/libtests/qtest/png_filter/out2
diff --git a/libtests/qtest/qexc.test b/libtests/qtest/qexc.test
new file mode 100644
index 00000000..b8632b9b
--- /dev/null
+++ b/libtests/qtest/qexc.test
@@ -0,0 +1,32 @@
+#!/usr/bin/env perl
+
+require 5.008;
+BEGIN { $^W = 1; }
+use strict;
+
+chdir("qexc") or die "chdir qexc failed: $!\n";
+
+require TestDriver;
+
+my $td = new TestDriver('qexc');
+
+my @tests =
+    (['general exception', 2],
+     ['internal error', 3],
+     ['system exception', 2],
+     ['library exception', 3, "uncaught exception: .+\n"], # fails on VC7?
+     );
+
+for (my $i = 0; $i < scalar(@tests); ++$i)
+{
+    my $output = +((-f "test$i.out")
+		   ? {$td->FILE => "test$i.out"}
+		   : {$td->REGEXP => $tests[$i]->[2]});
+    $output->{$td->EXIT_STATUS} = $tests[$i]->[1];
+    $td->runtest($tests[$i]->[0],
+		 {$td->COMMAND => "qexc $i"},
+		 $output,
+		 $td->NORMALIZE_NEWLINES);
+}
+
+$td->report(scalar(@tests));
diff --git a/libtests/qtest/qexc/test0.out b/libtests/qtest/qexc/test0.out
new file mode 100644
index 00000000..7a6dba88
--- /dev/null
+++ b/libtests/qtest/qexc/test0.out
@@ -0,0 +1,2 @@
+exception: general exception
+what: general exception
diff --git a/libtests/qtest/qexc/test1.out b/libtests/qtest/qexc/test1.out
new file mode 100644
index 00000000..cb18f40c
--- /dev/null
+++ b/libtests/qtest/qexc/test1.out
@@ -0,0 +1 @@
+uncaught exception: INTERNAL ERROR: internal error
diff --git a/libtests/qtest/qexc/test2.out b/libtests/qtest/qexc/test2.out
new file mode 100644
index 00000000..0f1994f7
--- /dev/null
+++ b/libtests/qtest/qexc/test2.out
@@ -0,0 +1,2 @@
+exception: doing something: Invalid argument
+what: doing something: Invalid argument
diff --git a/libtests/qtest/qutil.test b/libtests/qtest/qutil.test
new file mode 100644
index 00000000..e90692f8
--- /dev/null
+++ b/libtests/qtest/qutil.test
@@ -0,0 +1,17 @@
+#!/usr/bin/env perl
+require 5.008;
+BEGIN { $^W = 1; }
+use strict;
+
+chdir("qutil") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+my $td = new TestDriver('qutil');
+
+$td->runtest("QUtil",
+	     {$td->COMMAND => "qutil"},
+	     {$td->FILE => "qutil.out",
+	      $td->EXIT_STATUS => 0});
+
+$td->report(1);
diff --git a/libtests/qtest/qutil/qutil.out b/libtests/qtest/qutil/qutil.out
new file mode 100644
index 00000000..f7af8903
--- /dev/null
+++ b/libtests/qtest/qutil/qutil.out
@@ -0,0 +1,30 @@
+16059
+0016059
+16059  
+3.141590
+3.142
+1000.123000
+exception 1: INTERNAL ERROR: Util::int_to_string has been called with a padding value greater than its internal limit
+exception 2: INTERNAL ERROR: Util::int_to_string has been called with a padding value greater than its internal limit
+exception 3: INTERNAL ERROR: Util::int_to_string has been called with a padding value greater than its internal limit
+exception 4: INTERNAL ERROR: Util::double_to_string has been called with a number and a decimal places specification that would break an internal limit
+exception 5: INTERNAL ERROR: Util::double_to_string has been called with a number and a decimal places specification that would break an internal limit
+one
+7
+compare okay
+----
+before open
+exception: open file: No such file or directory
+----
+before fopen
+exception: fopen file: No such file or directory
+----
+IN_TESTSUITE: 1: 1
+HAGOOGAMAGOOGLE: 0
+----
+0x41 -> A
+0xf7 -> ÷
+0x3c0 -> π
+0x16059 -> f0 96 81 99
+0x7fffffff -> fd bf bf bf bf bf
+0x80000000: bounds error in QUtil::toUTF8
diff --git a/libtests/qtest/rc4.test b/libtests/qtest/rc4.test
new file mode 100644
index 00000000..0207317c
--- /dev/null
+++ b/libtests/qtest/rc4.test
@@ -0,0 +1,45 @@
+#!/usr/bin/env perl
+require 5.008;
+BEGIN { $^W = 1; }
+use strict;
+
+chdir("rc4") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+my $td = new TestDriver('RC4');
+
+cleanup();
+
+my @tests = ('0123456789abcdef',
+	     '0123456789abcdef',
+	     '0000000000000000',
+	     'ef012345',
+	     '0123456789abcdef');
+
+my $n = 0;
+foreach my $key (@tests)
+{
+    ++$n;
+    $td->runtest("test $n",
+		 {$td->COMMAND => "rc4 $key test$n.in tmp1-$n.out"},
+		 {$td->STRING => "", $td->EXIT_STATUS => 0});
+    $td->runtest("check output",
+		 {$td->FILE => "tmp1-$n.out"},
+		 {$td->FILE => "test$n.out"});
+    $td->runtest("test $n reverse",
+		 {$td->COMMAND => "rc4 $key test$n.out tmp2-$n.out"},
+		 {$td->STRING => "", $td->EXIT_STATUS => 0});
+    $td->runtest("check output",
+		 {$td->FILE => "tmp2-$n.out"},
+		 {$td->FILE => "test$n.in"});
+}
+
+cleanup();
+
+$td->report(4 * scalar(@tests));
+
+sub cleanup
+{
+    system("rm -f tmp*-*");
+}
diff --git a/libtests/qtest/rc4/test1.in b/libtests/qtest/rc4/test1.in
new file mode 100644
index 00000000..be687ec3
--- /dev/null
+++ b/libtests/qtest/rc4/test1.in
@@ -0,0 +1 @@
+
#Eg‰«Íï
\ No newline at end of file
diff --git a/libtests/qtest/rc4/test1.out b/libtests/qtest/rc4/test1.out
new file mode 100644
index 00000000..0a8617e0
--- /dev/null
+++ b/libtests/qtest/rc4/test1.out
@@ -0,0 +1 @@
+u·‡€™àÅ–
\ No newline at end of file
diff --git a/libtests/qtest/rc4/test2.in b/libtests/qtest/rc4/test2.in
new file mode 100644
index 00000000..1b1cb4d4
--- /dev/null
+++ b/libtests/qtest/rc4/test2.in
diff --git a/libtests/qtest/rc4/test2.out b/libtests/qtest/rc4/test2.out
new file mode 100644
index 00000000..9bdb590f
--- /dev/null
+++ b/libtests/qtest/rc4/test2.out
@@ -0,0 +1 @@
+t”ÂçKy
\ No newline at end of file
diff --git a/libtests/qtest/rc4/test3.in b/libtests/qtest/rc4/test3.in
new file mode 100644
index 00000000..1b1cb4d4
--- /dev/null
+++ b/libtests/qtest/rc4/test3.in
diff --git a/libtests/qtest/rc4/test3.out b/libtests/qtest/rc4/test3.out
new file mode 100644
index 00000000..11f99ca8
--- /dev/null
+++ b/libtests/qtest/rc4/test3.out
@@ -0,0 +1 @@
+Þ‰A£7]:
\ No newline at end of file
diff --git a/libtests/qtest/rc4/test4.in b/libtests/qtest/rc4/test4.in
new file mode 100644
index 00000000..cb43b5ce
--- /dev/null
+++ b/libtests/qtest/rc4/test4.in
diff --git a/libtests/qtest/rc4/test4.out b/libtests/qtest/rc4/test4.out
new file mode 100644
index 00000000..1394b334
--- /dev/null
+++ b/libtests/qtest/rc4/test4.out
@@ -0,0 +1 @@
+Ö¡A§ì<8ß½a
\ No newline at end of file
diff --git a/libtests/qtest/rc4/test5.in b/libtests/qtest/rc4/test5.in
new file mode 100644
index 00000000..60e5cd06
--- /dev/null
+++ b/libtests/qtest/rc4/test5.in
@@ -0,0 +1 @@
+
































































































































































































































































































































































































































































































































\ No newline at end of file
diff --git a/libtests/qtest/rc4/test5.out b/libtests/qtest/rc4/test5.out
new file mode 100644
index 00000000..d64d1a49
--- /dev/null
+++ b/libtests/qtest/rc4/test5.out
diff --git a/libtests/qutil.cc b/libtests/qutil.cc
new file mode 100644
index 00000000..3a1fc8aa
--- /dev/null
+++ b/libtests/qutil.cc
@@ -0,0 +1,199 @@
+
+#include <iostream>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <qpdf/QUtil.hh>
+
+#ifdef _WIN32
+# include <io.h>
+#else
+# include <unistd.h>
+#endif
+
+void string_conversion_test()
+{
+    std::cout << QUtil::int_to_string(16059) << std::endl
+	      << QUtil::int_to_string(16059, 7) << std::endl
+	      << QUtil::int_to_string(16059, -7) << std::endl
+	      << QUtil::double_to_string(3.14159) << std::endl
+	      << QUtil::double_to_string(3.14159, 3) << std::endl
+	      << QUtil::double_to_string(1000.123, -1024) << std::endl;
+
+    try
+    {
+	// int_to_string bounds error
+	std::cout << QUtil::int_to_string(1, 50) << std::endl;
+    }
+    catch(QEXC::Internal &e)
+    {
+	std::cout << "exception 1: " << e.unparse() << std::endl;
+    }
+
+    try
+    {
+	// QUtil::int_to_string bounds error
+	std::cout << QUtil::int_to_string(1, -50) << std::endl;
+    }
+    catch(QEXC::Internal &e)
+    {
+	std::cout << "exception 2: " << e.unparse() << std::endl;
+    }
+
+    try
+    {
+	// QUtil::int_to_string bounds error
+	std::cout << QUtil::int_to_string(-1, 49) << std::endl;
+    }
+    catch(QEXC::Internal &e)
+    {
+	std::cout << "exception 3: " << e.unparse() << std::endl;
+    }
+
+
+    try
+    {
+	// QUtil::double_to_string bounds error
+	std::cout << QUtil::double_to_string(3.14159, 1024) << std::endl;
+    }
+    catch(QEXC::Internal &e)
+    {
+	std::cout << "exception 4: " << e.unparse() << std::endl;
+    }
+
+    try
+    {
+	// QUtil::double_to_string bounds error
+	std::cout << QUtil::double_to_string(1000.0, 95) << std::endl;
+    }
+    catch(QEXC::Internal &e)
+    {
+	std::cout << "exception 5: " << e.unparse() << std::endl;
+    }
+
+    std::string embedded_null = "one";
+    embedded_null += '\0';
+    embedded_null += "two";
+    std::cout << embedded_null.c_str() << std::endl;
+    std::cout << embedded_null.length() << std::endl;
+    char* tmp = QUtil::copy_string(embedded_null);
+    if (memcmp(tmp, embedded_null.c_str(), 7) == 0)
+    {
+	std::cout << "compare okay" << std::endl;
+    }
+    else
+    {
+	std::cout << "compare failed" << std::endl;
+    }
+    delete [] tmp;
+}
+
+void os_wrapper_test()
+{
+    int fd = -1;
+    try
+    {
+	std::cout << "before open" << std::endl;
+	fd = QUtil::os_wrapper("open file",
+			       open("/this/file/does/not/exist", O_RDONLY));
+	std::cout << "after open" << std::endl;
+	(void) close(fd);
+    }
+    catch (QEXC::System& s)
+    {
+	std::cout << "exception: " << s.unparse() << std::endl;
+    }
+}
+
+void fopen_wrapper_test()
+{
+    FILE* f = 0;
+    try
+    {
+	std::cout << "before fopen" << std::endl;
+	f = QUtil::fopen_wrapper("fopen file",
+				 fopen("/this/file/does/not/exist", "r"));
+	std::cout << "after fopen" << std::endl;
+	(void) fclose(f);
+    }
+    catch (QEXC::System& s)
+    {
+	std::cout << "exception: " << s.unparse() << std::endl;
+    }
+}
+
+void getenv_test()
+{
+    std::string val;
+    std::cout << "IN_TESTSUITE: " << QUtil::get_env("IN_TESTSUITE", &val)
+	      << ": " << val << std::endl;
+    // Hopefully this environment variable is not defined.
+    std::cout << "HAGOOGAMAGOOGLE: " << QUtil::get_env("HAGOOGAMAGOOGLE")
+	      << std::endl;
+}
+
+static void print_utf8(unsigned long val)
+{
+    char t[20];
+    sprintf(t, "%lx", val);
+    std::string result = QUtil::toUTF8(val);
+    std::cout << "0x" << t << " ->";
+    if (val < 0xfffe)
+    {
+	std::cout << " " << result;
+    }
+    else
+    {
+	// Emacs has trouble with utf-8 encoding files with characters
+	// outside the 16-bit portion, so just show the character
+	// values.
+	for (std::string::iterator iter = result.begin();
+	     iter != result.end(); ++iter)
+	{
+	    char t[3];
+	    sprintf(t, "%02x", (unsigned char) (*iter));
+	    std::cout << " " << t;
+	}
+    }
+    std::cout << std::endl;
+}
+
+void to_utf8_test()
+{
+    print_utf8(0x41UL);
+    print_utf8(0xF7UL);
+    print_utf8(0x3c0UL);
+    print_utf8(0x16059UL);
+    print_utf8(0x7fffffffUL);
+    try
+    {
+	print_utf8(0x80000000UL);
+    }
+    catch (QEXC::General& e)
+    {
+	std::cout << "0x80000000: " << e.what() << std::endl;
+    }
+}
+
+int main(int argc, char* argv[])
+{
+    try
+    {
+	string_conversion_test();
+	std::cout << "----" << std::endl;
+	os_wrapper_test();
+	std::cout << "----" << std::endl;
+	fopen_wrapper_test();
+	std::cout << "----" << std::endl;
+	getenv_test();
+	std::cout << "----" << std::endl;
+	to_utf8_test();
+    }
+    catch (std::exception& e)
+    {
+	std::cout << "unexpected exception: " << e.what() << std::endl;
+    }
+
+    return 0;
+}
diff --git a/libtests/rc4.cc b/libtests/rc4.cc
new file mode 100644
index 00000000..34d779ad
--- /dev/null
+++ b/libtests/rc4.cc
@@ -0,0 +1,82 @@
+
+#include <qpdf/Pl_RC4.hh>
+#include <qpdf/Pl_StdioFile.hh>
+
+#include <stdio.h>
+#include <string.h>
+#include <iostream>
+#include <stdlib.h>
+
+#ifdef _WIN32
+# include <io.h>
+#else
+# include <unistd.h>
+#endif
+
+int main(int argc, char* argv[])
+{
+    if (argc != 4)
+    {
+	std::cerr << "Usage: rc4 hex-key infile outfile" << std::endl;
+	exit(2);
+    }
+
+    char* hexkey = argv[1];
+    char* infilename = argv[2];
+    char* outfilename = argv[3];
+    int hexkeylen = strlen(hexkey);
+    int keylen = hexkeylen / 2;
+    unsigned char* key = new unsigned char[keylen + 1];
+    key[keylen] = '\0';
+
+    FILE* infile = fopen(infilename, "rb");
+    if (infile == 0)
+    {
+	std::cerr << "can't open " << infilename << std::endl;
+	exit(2);
+    }
+
+    for (unsigned int i = 0; i < strlen(hexkey); i += 2)
+    {
+	char t[3];
+	t[0] = hexkey[i];
+	t[1] = hexkey[i + 1];
+	t[2] = '\0';
+
+	long val = strtol(t, 0, 16);
+	key[i/2] = (unsigned char) val;
+    }
+
+    FILE* outfile = fopen(outfilename, "wb");
+    if (outfile == 0)
+    {
+	std::cerr << "can't open " << outfilename << std::endl;
+	exit(2);
+    }
+    Pl_StdioFile* out = new Pl_StdioFile("stdout", outfile);
+    // Use a small buffer size (64) for testing
+    Pl_RC4* rc4 = new Pl_RC4("rc4", out, key, keylen, 64);
+    delete [] key;
+
+    // 64 < buffer size < 512, buffer_size is not a power of 2 for testing
+    unsigned char buf[100];
+    bool done = false;
+    while (! done)
+    {
+	int len = fread(buf, 1, sizeof(buf), infile);
+	if (len <= 0)
+	{
+	    done = true;
+	}
+	else
+	{
+	    rc4->write(buf, len);
+	}
+    }
+    rc4->finish();
+    delete rc4;
+    delete out;
+    fclose(infile);
+    fclose(outfile);
+    return 0;
+}
diff --git a/ltmain.sh b/ltmain.sh
new file mode 100644
index 00000000..5def3516
--- /dev/null
+++ b/ltmain.sh
@@ -0,0 +1,6964 @@
+# ltmain.sh - Provide generalized library-building support services.
+# NOTE: Changing this file will not affect anything until you rerun configure.
+#
+# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006,
+# 2007, 2008  Free Software Foundation, Inc.
+# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+basename="s,^.*/,,g"
+
+# Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh
+# is ksh but when the shell is invoked as "sh" and the current value of
+# the _XPG environment variable is not equal to 1 (one), the special
+# positional parameter $0, within a function call, is the name of the
+# function.
+progpath="$0"
+
+# The name of this program:
+progname=`echo "$progpath" | $SED $basename`
+modename="$progname"
+
+# Global variables:
+EXIT_SUCCESS=0
+EXIT_FAILURE=1
+
+PROGRAM=ltmain.sh
+PACKAGE=libtool
+VERSION="1.5.26 Debian 1.5.26-1"
+TIMESTAMP=" (1.1220.2.493 2008/02/01 16:58:18)"
+
+# Be Bourne compatible (taken from Autoconf:_AS_BOURNE_COMPATIBLE).
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+  emulate sh
+  NULLCMD=:
+  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac
+fi
+BIN_SH=xpg4; export BIN_SH # for Tru64
+DUALCASE=1; export DUALCASE # for MKS sh
+
+# Check that we have a working $echo.
+if test "X$1" = X--no-reexec; then
+  # Discard the --no-reexec flag, and continue.
+  shift
+elif test "X$1" = X--fallback-echo; then
+  # Avoid inline document here, it may be left over
+  :
+elif test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then
+  # Yippee, $echo works!
+  :
+else
+  # Restart under the correct shell, and then maybe $echo will work.
+  exec $SHELL "$progpath" --no-reexec ${1+"$@"}
+fi
+
+if test "X$1" = X--fallback-echo; then
+  # used as fallback echo
+  shift
+  cat <<EOF
+$*
+EOF
+  exit $EXIT_SUCCESS
+fi
+
+default_mode=
+help="Try \`$progname --help' for more information."
+magic="%%%MAGIC variable%%%"
+mkdir="mkdir"
+mv="mv -f"
+rm="rm -f"
+
+# Sed substitution that helps us do robust quoting.  It backslashifies
+# metacharacters that are still active within double-quoted strings.
+Xsed="${SED}"' -e 1s/^X//'
+sed_quote_subst='s/\([\\`\\"$\\\\]\)/\\\1/g'
+# test EBCDIC or ASCII
+case `echo X|tr X '\101'` in
+ A) # ASCII based system
+    # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr
+  SP2NL='tr \040 \012'
+  NL2SP='tr \015\012 \040\040'
+  ;;
+ *) # EBCDIC based system
+  SP2NL='tr \100 \n'
+  NL2SP='tr \r\n \100\100'
+  ;;
+esac
+
+# NLS nuisances.
+# Only set LANG and LC_ALL to C if already set.
+# These must not be set unconditionally because not all systems understand
+# e.g. LANG=C (notably SCO).
+# We save the old values to restore during execute mode.
+lt_env=
+for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES
+do
+  eval "if test \"\${$lt_var+set}\" = set; then
+	  save_$lt_var=\$$lt_var
+	  lt_env=\"$lt_var=\$$lt_var \$lt_env\"
+	  $lt_var=C
+	  export $lt_var
+	fi"
+done
+
+if test -n "$lt_env"; then
+  lt_env="env $lt_env"
+fi
+
+# Make sure IFS has a sensible default
+lt_nl='
+'
+IFS=" 	$lt_nl"
+
+if test "$build_libtool_libs" != yes && test "$build_old_libs" != yes; then
+  $echo "$modename: not configured to build any kind of library" 1>&2
+  $echo "Fatal configuration error.  See the $PACKAGE docs for more information." 1>&2
+  exit $EXIT_FAILURE
+fi
+
+# Global variables.
+mode=$default_mode
+nonopt=
+prev=
+prevopt=
+run=
+show="$echo"
+show_help=
+execute_dlfiles=
+duplicate_deps=no
+preserve_args=
+lo2o="s/\\.lo\$/.${objext}/"
+o2lo="s/\\.${objext}\$/.lo/"
+extracted_archives=
+extracted_serial=0
+
+#####################################
+# Shell function definitions:
+# This seems to be the best place for them
+
+# func_mktempdir [string]
+# Make a temporary directory that won't clash with other running
+# libtool processes, and avoids race conditions if possible.  If
+# given, STRING is the basename for that directory.
+func_mktempdir ()
+{
+    my_template="${TMPDIR-/tmp}/${1-$progname}"
+
+    if test "$run" = ":"; then
+      # Return a directory name, but don't create it in dry-run mode
+      my_tmpdir="${my_template}-$$"
+    else
+
+      # If mktemp works, use that first and foremost
+      my_tmpdir=`mktemp -d "${my_template}-XXXXXXXX" 2>/dev/null`
+
+      if test ! -d "$my_tmpdir"; then
+	# Failing that, at least try and use $RANDOM to avoid a race
+	my_tmpdir="${my_template}-${RANDOM-0}$$"
+
+	save_mktempdir_umask=`umask`
+	umask 0077
+	$mkdir "$my_tmpdir"
+	umask $save_mktempdir_umask
+      fi
+
+      # If we're not in dry-run mode, bomb out on failure
+      test -d "$my_tmpdir" || {
+        $echo "cannot create temporary directory \`$my_tmpdir'" 1>&2
+	exit $EXIT_FAILURE
+      }
+    fi
+
+    $echo "X$my_tmpdir" | $Xsed
+}
+
+
+# func_win32_libid arg
+# return the library type of file 'arg'
+#
+# Need a lot of goo to handle *both* DLLs and import libs
+# Has to be a shell function in order to 'eat' the argument
+# that is supplied when $file_magic_command is called.
+func_win32_libid ()
+{
+  win32_libid_type="unknown"
+  win32_fileres=`file -L $1 2>/dev/null`
+  case $win32_fileres in
+  *ar\ archive\ import\ library*) # definitely import
+    win32_libid_type="x86 archive import"
+    ;;
+  *ar\ archive*) # could be an import, or static
+    if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | \
+      $EGREP -e 'file format pe-i386(.*architecture: i386)?' >/dev/null ; then
+      win32_nmres=`eval $NM -f posix -A $1 | \
+	$SED -n -e '1,100{
+		/ I /{
+			s,.*,import,
+			p
+			q
+			}
+		}'`
+      case $win32_nmres in
+      import*)  win32_libid_type="x86 archive import";;
+      *)        win32_libid_type="x86 archive static";;
+      esac
+    fi
+    ;;
+  *DLL*)
+    win32_libid_type="x86 DLL"
+    ;;
+  *executable*) # but shell scripts are "executable" too...
+    case $win32_fileres in
+    *MS\ Windows\ PE\ Intel*)
+      win32_libid_type="x86 DLL"
+      ;;
+    esac
+    ;;
+  esac
+  $echo $win32_libid_type
+}
+
+
+# func_infer_tag arg
+# Infer tagged configuration to use if any are available and
+# if one wasn't chosen via the "--tag" command line option.
+# Only attempt this if the compiler in the base compile
+# command doesn't match the default compiler.
+# arg is usually of the form 'gcc ...'
+func_infer_tag ()
+{
+    if test -n "$available_tags" && test -z "$tagname"; then
+      CC_quoted=
+      for arg in $CC; do
+	case $arg in
+	  *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")
+	  arg="\"$arg\""
+	  ;;
+	esac
+	CC_quoted="$CC_quoted $arg"
+      done
+      case $@ in
+      # Blanks in the command may have been stripped by the calling shell,
+      # but not from the CC environment variable when configure was run.
+      " $CC "* | "$CC "* | " `$echo $CC` "* | "`$echo $CC` "* | " $CC_quoted"* | "$CC_quoted "* | " `$echo $CC_quoted` "* | "`$echo $CC_quoted` "*) ;;
+      # Blanks at the start of $base_compile will cause this to fail
+      # if we don't check for them as well.
+      *)
+	for z in $available_tags; do
+	  if grep "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then
+	    # Evaluate the configuration.
+	    eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`"
+	    CC_quoted=
+	    for arg in $CC; do
+	    # Double-quote args containing other shell metacharacters.
+	    case $arg in
+	      *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")
+	      arg="\"$arg\""
+	      ;;
+	    esac
+	    CC_quoted="$CC_quoted $arg"
+	  done
+	    case "$@ " in
+	      " $CC "* | "$CC "* | " `$echo $CC` "* | "`$echo $CC` "* | " $CC_quoted"* | "$CC_quoted "* | " `$echo $CC_quoted` "* | "`$echo $CC_quoted` "*)
+	      # The compiler in the base compile command matches
+	      # the one in the tagged configuration.
+	      # Assume this is the tagged configuration we want.
+	      tagname=$z
+	      break
+	      ;;
+	    esac
+	  fi
+	done
+	# If $tagname still isn't set, then no tagged configuration
+	# was found and let the user know that the "--tag" command
+	# line option must be used.
+	if test -z "$tagname"; then
+	  $echo "$modename: unable to infer tagged configuration"
+	  $echo "$modename: specify a tag with \`--tag'" 1>&2
+	  exit $EXIT_FAILURE
+#        else
+#          $echo "$modename: using $tagname tagged configuration"
+	fi
+	;;
+      esac
+    fi
+}
+
+
+# func_extract_an_archive dir oldlib
+func_extract_an_archive ()
+{
+    f_ex_an_ar_dir="$1"; shift
+    f_ex_an_ar_oldlib="$1"
+
+    $show "(cd $f_ex_an_ar_dir && $AR x $f_ex_an_ar_oldlib)"
+    $run eval "(cd \$f_ex_an_ar_dir && $AR x \$f_ex_an_ar_oldlib)" || exit $?
+    if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then
+     :
+    else
+      $echo "$modename: ERROR: object name conflicts: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" 1>&2
+      exit $EXIT_FAILURE
+    fi
+}
+
+# func_extract_archives gentop oldlib ...
+func_extract_archives ()
+{
+    my_gentop="$1"; shift
+    my_oldlibs=${1+"$@"}
+    my_oldobjs=""
+    my_xlib=""
+    my_xabs=""
+    my_xdir=""
+    my_status=""
+
+    $show "${rm}r $my_gentop"
+    $run ${rm}r "$my_gentop"
+    $show "$mkdir $my_gentop"
+    $run $mkdir "$my_gentop"
+    my_status=$?
+    if test "$my_status" -ne 0 && test ! -d "$my_gentop"; then
+      exit $my_status
+    fi
+
+    for my_xlib in $my_oldlibs; do
+      # Extract the objects.
+      case $my_xlib in
+	[\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;;
+	*) my_xabs=`pwd`"/$my_xlib" ;;
+      esac
+      my_xlib=`$echo "X$my_xlib" | $Xsed -e 's%^.*/%%'`
+      my_xlib_u=$my_xlib
+      while :; do
+        case " $extracted_archives " in
+	*" $my_xlib_u "*)
+	  extracted_serial=`expr $extracted_serial + 1`
+	  my_xlib_u=lt$extracted_serial-$my_xlib ;;
+	*) break ;;
+	esac
+      done
+      extracted_archives="$extracted_archives $my_xlib_u"
+      my_xdir="$my_gentop/$my_xlib_u"
+
+      $show "${rm}r $my_xdir"
+      $run ${rm}r "$my_xdir"
+      $show "$mkdir $my_xdir"
+      $run $mkdir "$my_xdir"
+      exit_status=$?
+      if test "$exit_status" -ne 0 && test ! -d "$my_xdir"; then
+	exit $exit_status
+      fi
+      case $host in
+      *-darwin*)
+	$show "Extracting $my_xabs"
+	# Do not bother doing anything if just a dry run
+	if test -z "$run"; then
+	  darwin_orig_dir=`pwd`
+	  cd $my_xdir || exit $?
+	  darwin_archive=$my_xabs
+	  darwin_curdir=`pwd`
+	  darwin_base_archive=`$echo "X$darwin_archive" | $Xsed -e 's%^.*/%%'`
+	  darwin_arches=`lipo -info "$darwin_archive" 2>/dev/null | $EGREP Architectures 2>/dev/null`
+	  if test -n "$darwin_arches"; then 
+	    darwin_arches=`echo "$darwin_arches" | $SED -e 's/.*are://'`
+	    darwin_arch=
+	    $show "$darwin_base_archive has multiple architectures $darwin_arches"
+	    for darwin_arch in  $darwin_arches ; do
+	      mkdir -p "unfat-$$/${darwin_base_archive}-${darwin_arch}"
+	      lipo -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}"
+	      cd "unfat-$$/${darwin_base_archive}-${darwin_arch}"
+	      func_extract_an_archive "`pwd`" "${darwin_base_archive}"
+	      cd "$darwin_curdir"
+	      $rm "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}"
+	    done # $darwin_arches
+      ## Okay now we have a bunch of thin objects, gotta fatten them up :)
+	    darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print| xargs basename | sort -u | $NL2SP`
+	    darwin_file=
+	    darwin_files=
+	    for darwin_file in $darwin_filelist; do
+	      darwin_files=`find unfat-$$ -name $darwin_file -print | $NL2SP`
+	      lipo -create -output "$darwin_file" $darwin_files
+	    done # $darwin_filelist
+	    ${rm}r unfat-$$
+	    cd "$darwin_orig_dir"
+	  else
+	    cd "$darwin_orig_dir"
+ 	    func_extract_an_archive "$my_xdir" "$my_xabs"
+	  fi # $darwin_arches
+	fi # $run
+	;;
+      *)
+        func_extract_an_archive "$my_xdir" "$my_xabs"
+        ;;
+      esac
+      my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | $NL2SP`
+    done
+    func_extract_archives_result="$my_oldobjs"
+}
+# End of Shell function definitions
+#####################################
+
+# Darwin sucks
+eval std_shrext=\"$shrext_cmds\"
+
+disable_libs=no
+
+# Parse our command line options once, thoroughly.
+while test "$#" -gt 0
+do
+  arg="$1"
+  shift
+
+  case $arg in
+  -*=*) optarg=`$echo "X$arg" | $Xsed -e 's/[-_a-zA-Z0-9]*=//'` ;;
+  *) optarg= ;;
+  esac
+
+  # If the previous option needs an argument, assign it.
+  if test -n "$prev"; then
+    case $prev in
+    execute_dlfiles)
+      execute_dlfiles="$execute_dlfiles $arg"
+      ;;
+    tag)
+      tagname="$arg"
+      preserve_args="${preserve_args}=$arg"
+
+      # Check whether tagname contains only valid characters
+      case $tagname in
+      *[!-_A-Za-z0-9,/]*)
+	$echo "$progname: invalid tag name: $tagname" 1>&2
+	exit $EXIT_FAILURE
+	;;
+      esac
+
+      case $tagname in
+      CC)
+	# Don't test for the "default" C tag, as we know, it's there, but
+	# not specially marked.
+	;;
+      *)
+	if grep "^# ### BEGIN LIBTOOL TAG CONFIG: $tagname$" < "$progpath" > /dev/null; then
+	  taglist="$taglist $tagname"
+	  # Evaluate the configuration.
+	  eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$tagname'$/,/^# ### END LIBTOOL TAG CONFIG: '$tagname'$/p' < $progpath`"
+	else
+	  $echo "$progname: ignoring unknown tag $tagname" 1>&2
+	fi
+	;;
+      esac
+      ;;
+    *)
+      eval "$prev=\$arg"
+      ;;
+    esac
+
+    prev=
+    prevopt=
+    continue
+  fi
+
+  # Have we seen a non-optional argument yet?
+  case $arg in
+  --help)
+    show_help=yes
+    ;;
+
+  --version)
+    echo "\
+$PROGRAM (GNU $PACKAGE) $VERSION$TIMESTAMP
+
+Copyright (C) 2008  Free Software Foundation, Inc.
+This is free software; see the source for copying conditions.  There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
+    exit $?
+    ;;
+
+  --config)
+    ${SED} -e '1,/^# ### BEGIN LIBTOOL CONFIG/d' -e '/^# ### END LIBTOOL CONFIG/,$d' $progpath
+    # Now print the configurations for the tags.
+    for tagname in $taglist; do
+      ${SED} -n -e "/^# ### BEGIN LIBTOOL TAG CONFIG: $tagname$/,/^# ### END LIBTOOL TAG CONFIG: $tagname$/p" < "$progpath"
+    done
+    exit $?
+    ;;
+
+  --debug)
+    $echo "$progname: enabling shell trace mode"
+    set -x
+    preserve_args="$preserve_args $arg"
+    ;;
+
+  --dry-run | -n)
+    run=:
+    ;;
+
+  --features)
+    $echo "host: $host"
+    if test "$build_libtool_libs" = yes; then
+      $echo "enable shared libraries"
+    else
+      $echo "disable shared libraries"
+    fi
+    if test "$build_old_libs" = yes; then
+      $echo "enable static libraries"
+    else
+      $echo "disable static libraries"
+    fi
+    exit $?
+    ;;
+
+  --finish) mode="finish" ;;
+
+  --mode) prevopt="--mode" prev=mode ;;
+  --mode=*) mode="$optarg" ;;
+
+  --preserve-dup-deps) duplicate_deps="yes" ;;
+
+  --quiet | --silent)
+    show=:
+    preserve_args="$preserve_args $arg"
+    ;;
+
+  --tag)
+    prevopt="--tag"
+    prev=tag
+    preserve_args="$preserve_args --tag"
+    ;;
+  --tag=*)
+    set tag "$optarg" ${1+"$@"}
+    shift
+    prev=tag
+    preserve_args="$preserve_args --tag"
+    ;;
+
+  -dlopen)
+    prevopt="-dlopen"
+    prev=execute_dlfiles
+    ;;
+
+  -*)
+    $echo "$modename: unrecognized option \`$arg'" 1>&2
+    $echo "$help" 1>&2
+    exit $EXIT_FAILURE
+    ;;
+
+  *)
+    nonopt="$arg"
+    break
+    ;;
+  esac
+done
+
+if test -n "$prevopt"; then
+  $echo "$modename: option \`$prevopt' requires an argument" 1>&2
+  $echo "$help" 1>&2
+  exit $EXIT_FAILURE
+fi
+
+case $disable_libs in
+no) 
+  ;;
+shared)
+  build_libtool_libs=no
+  build_old_libs=yes
+  ;;
+static)
+  build_old_libs=`case $build_libtool_libs in yes) echo no;; *) echo yes;; esac`
+  ;;
+esac
+
+# If this variable is set in any of the actions, the command in it
+# will be execed at the end.  This prevents here-documents from being
+# left over by shells.
+exec_cmd=
+
+if test -z "$show_help"; then
+
+  # Infer the operation mode.
+  if test -z "$mode"; then
+    $echo "*** Warning: inferring the mode of operation is deprecated." 1>&2
+    $echo "*** Future versions of Libtool will require --mode=MODE be specified." 1>&2
+    case $nonopt in
+    *cc | cc* | *++ | gcc* | *-gcc* | g++* | xlc*)
+      mode=link
+      for arg
+      do
+	case $arg in
+	-c)
+	   mode=compile
+	   break
+	   ;;
+	esac
+      done
+      ;;
+    *db | *dbx | *strace | *truss)
+      mode=execute
+      ;;
+    *install*|cp|mv)
+      mode=install
+      ;;
+    *rm)
+      mode=uninstall
+      ;;
+    *)
+      # If we have no mode, but dlfiles were specified, then do execute mode.
+      test -n "$execute_dlfiles" && mode=execute
+
+      # Just use the default operation mode.
+      if test -z "$mode"; then
+	if test -n "$nonopt"; then
+	  $echo "$modename: warning: cannot infer operation mode from \`$nonopt'" 1>&2
+	else
+	  $echo "$modename: warning: cannot infer operation mode without MODE-ARGS" 1>&2
+	fi
+      fi
+      ;;
+    esac
+  fi
+
+  # Only execute mode is allowed to have -dlopen flags.
+  if test -n "$execute_dlfiles" && test "$mode" != execute; then
+    $echo "$modename: unrecognized option \`-dlopen'" 1>&2
+    $echo "$help" 1>&2
+    exit $EXIT_FAILURE
+  fi
+
+  # Change the help message to a mode-specific one.
+  generic_help="$help"
+  help="Try \`$modename --help --mode=$mode' for more information."
+
+  # These modes are in order of execution frequency so that they run quickly.
+  case $mode in
+  # libtool compile mode
+  compile)
+    modename="$modename: compile"
+    # Get the compilation command and the source file.
+    base_compile=
+    srcfile="$nonopt"  #  always keep a non-empty value in "srcfile"
+    suppress_opt=yes
+    suppress_output=
+    arg_mode=normal
+    libobj=
+    later=
+
+    for arg
+    do
+      case $arg_mode in
+      arg  )
+	# do not "continue".  Instead, add this to base_compile
+	lastarg="$arg"
+	arg_mode=normal
+	;;
+
+      target )
+	libobj="$arg"
+	arg_mode=normal
+	continue
+	;;
+
+      normal )
+	# Accept any command-line options.
+	case $arg in
+	-o)
+	  if test -n "$libobj" ; then
+	    $echo "$modename: you cannot specify \`-o' more than once" 1>&2
+	    exit $EXIT_FAILURE
+	  fi
+	  arg_mode=target
+	  continue
+	  ;;
+
+	-static | -prefer-pic | -prefer-non-pic)
+	  later="$later $arg"
+	  continue
+	  ;;
+
+	-no-suppress)
+	  suppress_opt=no
+	  continue
+	  ;;
+
+	-Xcompiler)
+	  arg_mode=arg  #  the next one goes into the "base_compile" arg list
+	  continue      #  The current "srcfile" will either be retained or
+	  ;;            #  replaced later.  I would guess that would be a bug.
+
+	-Wc,*)
+	  args=`$echo "X$arg" | $Xsed -e "s/^-Wc,//"`
+	  lastarg=
+	  save_ifs="$IFS"; IFS=','
+ 	  for arg in $args; do
+	    IFS="$save_ifs"
+
+	    # Double-quote args containing other shell metacharacters.
+	    # Many Bourne shells cannot handle close brackets correctly
+	    # in scan sets, so we specify it separately.
+	    case $arg in
+	      *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")
+	      arg="\"$arg\""
+	      ;;
+	    esac
+	    lastarg="$lastarg $arg"
+	  done
+	  IFS="$save_ifs"
+	  lastarg=`$echo "X$lastarg" | $Xsed -e "s/^ //"`
+
+	  # Add the arguments to base_compile.
+	  base_compile="$base_compile $lastarg"
+	  continue
+	  ;;
+
+	* )
+	  # Accept the current argument as the source file.
+	  # The previous "srcfile" becomes the current argument.
+	  #
+	  lastarg="$srcfile"
+	  srcfile="$arg"
+	  ;;
+	esac  #  case $arg
+	;;
+      esac    #  case $arg_mode
+
+      # Aesthetically quote the previous argument.
+      lastarg=`$echo "X$lastarg" | $Xsed -e "$sed_quote_subst"`
+
+      case $lastarg in
+      # Double-quote args containing other shell metacharacters.
+      # Many Bourne shells cannot handle close brackets correctly
+      # in scan sets, and some SunOS ksh mistreat backslash-escaping
+      # in scan sets (worked around with variable expansion),
+      # and furthermore cannot handle '|' '&' '(' ')' in scan sets 
+      # at all, so we specify them separately.
+      *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")
+	lastarg="\"$lastarg\""
+	;;
+      esac
+
+      base_compile="$base_compile $lastarg"
+    done # for arg
+
+    case $arg_mode in
+    arg)
+      $echo "$modename: you must specify an argument for -Xcompile"
+      exit $EXIT_FAILURE
+      ;;
+    target)
+      $echo "$modename: you must specify a target with \`-o'" 1>&2
+      exit $EXIT_FAILURE
+      ;;
+    *)
+      # Get the name of the library object.
+      [ -z "$libobj" ] && libobj=`$echo "X$srcfile" | $Xsed -e 's%^.*/%%'`
+      ;;
+    esac
+
+    # Recognize several different file suffixes.
+    # If the user specifies -o file.o, it is replaced with file.lo
+    xform='[cCFSifmso]'
+    case $libobj in
+    *.ada) xform=ada ;;
+    *.adb) xform=adb ;;
+    *.ads) xform=ads ;;
+    *.asm) xform=asm ;;
+    *.c++) xform=c++ ;;
+    *.cc) xform=cc ;;
+    *.ii) xform=ii ;;
+    *.class) xform=class ;;
+    *.cpp) xform=cpp ;;
+    *.cxx) xform=cxx ;;
+    *.[fF][09]?) xform=[fF][09]. ;;
+    *.for) xform=for ;;
+    *.java) xform=java ;;
+    *.obj) xform=obj ;;
+    *.sx) xform=sx ;;
+    esac
+
+    libobj=`$echo "X$libobj" | $Xsed -e "s/\.$xform$/.lo/"`
+
+    case $libobj in
+    *.lo) obj=`$echo "X$libobj" | $Xsed -e "$lo2o"` ;;
+    *)
+      $echo "$modename: cannot determine name of library object from \`$libobj'" 1>&2
+      exit $EXIT_FAILURE
+      ;;
+    esac
+
+    func_infer_tag $base_compile
+
+    for arg in $later; do
+      case $arg in
+      -static)
+	build_old_libs=yes
+	continue
+	;;
+
+      -prefer-pic)
+	pic_mode=yes
+	continue
+	;;
+
+      -prefer-non-pic)
+	pic_mode=no
+	continue
+	;;
+      esac
+    done
+
+    qlibobj=`$echo "X$libobj" | $Xsed -e "$sed_quote_subst"`
+    case $qlibobj in
+      *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")
+	qlibobj="\"$qlibobj\"" ;;
+    esac
+    test "X$libobj" != "X$qlibobj" \
+	&& $echo "X$libobj" | grep '[]~#^*{};<>?"'"'"' 	&()|`$[]' \
+	&& $echo "$modename: libobj name \`$libobj' may not contain shell special characters."
+    objname=`$echo "X$obj" | $Xsed -e 's%^.*/%%'`
+    xdir=`$echo "X$obj" | $Xsed -e 's%/[^/]*$%%'`
+    if test "X$xdir" = "X$obj"; then
+      xdir=
+    else
+      xdir=$xdir/
+    fi
+    lobj=${xdir}$objdir/$objname
+
+    if test -z "$base_compile"; then
+      $echo "$modename: you must specify a compilation command" 1>&2
+      $echo "$help" 1>&2
+      exit $EXIT_FAILURE
+    fi
+
+    # Delete any leftover library objects.
+    if test "$build_old_libs" = yes; then
+      removelist="$obj $lobj $libobj ${libobj}T"
+    else
+      removelist="$lobj $libobj ${libobj}T"
+    fi
+
+    $run $rm $removelist
+    trap "$run $rm $removelist; exit $EXIT_FAILURE" 1 2 15
+
+    # On Cygwin there's no "real" PIC flag so we must build both object types
+    case $host_os in
+    cygwin* | mingw* | pw32* | os2*)
+      pic_mode=default
+      ;;
+    esac
+    if test "$pic_mode" = no && test "$deplibs_check_method" != pass_all; then
+      # non-PIC code in shared libraries is not supported
+      pic_mode=default
+    fi
+
+    # Calculate the filename of the output object if compiler does
+    # not support -o with -c
+    if test "$compiler_c_o" = no; then
+      output_obj=`$echo "X$srcfile" | $Xsed -e 's%^.*/%%' -e 's%\.[^.]*$%%'`.${objext}
+      lockfile="$output_obj.lock"
+      removelist="$removelist $output_obj $lockfile"
+      trap "$run $rm $removelist; exit $EXIT_FAILURE" 1 2 15
+    else
+      output_obj=
+      need_locks=no
+      lockfile=
+    fi
+
+    # Lock this critical section if it is needed
+    # We use this script file to make the link, it avoids creating a new file
+    if test "$need_locks" = yes; then
+      until $run ln "$progpath" "$lockfile" 2>/dev/null; do
+	$show "Waiting for $lockfile to be removed"
+	sleep 2
+      done
+    elif test "$need_locks" = warn; then
+      if test -f "$lockfile"; then
+	$echo "\
+*** ERROR, $lockfile exists and contains:
+`cat $lockfile 2>/dev/null`
+
+This indicates that another process is trying to use the same
+temporary object file, and libtool could not work around it because
+your compiler does not support \`-c' and \`-o' together.  If you
+repeat this compilation, it may succeed, by chance, but you had better
+avoid parallel builds (make -j) in this platform, or get a better
+compiler."
+
+	$run $rm $removelist
+	exit $EXIT_FAILURE
+      fi
+      $echo "$srcfile" > "$lockfile"
+    fi
+
+    if test -n "$fix_srcfile_path"; then
+      eval srcfile=\"$fix_srcfile_path\"
+    fi
+    qsrcfile=`$echo "X$srcfile" | $Xsed -e "$sed_quote_subst"`
+    case $qsrcfile in
+      *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")
+      qsrcfile="\"$qsrcfile\"" ;;
+    esac
+
+    $run $rm "$libobj" "${libobj}T"
+
+    # Create a libtool object file (analogous to a ".la" file),
+    # but don't create it if we're doing a dry run.
+    test -z "$run" && cat > ${libobj}T <<EOF
+# $libobj - a libtool object file
+# Generated by $PROGRAM - GNU $PACKAGE $VERSION$TIMESTAMP
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+EOF
+
+    # Only build a PIC object if we are building libtool libraries.
+    if test "$build_libtool_libs" = yes; then
+      # Without this assignment, base_compile gets emptied.
+      fbsd_hideous_sh_bug=$base_compile
+
+      if test "$pic_mode" != no; then
+	command="$base_compile $qsrcfile $pic_flag"
+      else
+	# Don't build PIC code
+	command="$base_compile $qsrcfile"
+      fi
+
+      if test ! -d "${xdir}$objdir"; then
+	$show "$mkdir ${xdir}$objdir"
+	$run $mkdir ${xdir}$objdir
+	exit_status=$?
+	if test "$exit_status" -ne 0 && test ! -d "${xdir}$objdir"; then
+	  exit $exit_status
+	fi
+      fi
+
+      if test -z "$output_obj"; then
+	# Place PIC objects in $objdir
+	command="$command -o $lobj"
+      fi
+
+      $run $rm "$lobj" "$output_obj"
+
+      $show "$command"
+      if $run eval $lt_env "$command"; then :
+      else
+	test -n "$output_obj" && $run $rm $removelist
+	exit $EXIT_FAILURE
+      fi
+
+      if test "$need_locks" = warn &&
+	 test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then
+	$echo "\
+*** ERROR, $lockfile contains:
+`cat $lockfile 2>/dev/null`
+
+but it should contain:
+$srcfile
+
+This indicates that another process is trying to use the same
+temporary object file, and libtool could not work around it because
+your compiler does not support \`-c' and \`-o' together.  If you
+repeat this compilation, it may succeed, by chance, but you had better
+avoid parallel builds (make -j) in this platform, or get a better
+compiler."
+
+	$run $rm $removelist
+	exit $EXIT_FAILURE
+      fi
+
+      # Just move the object if needed, then go on to compile the next one
+      if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then
+	$show "$mv $output_obj $lobj"
+	if $run $mv $output_obj $lobj; then :
+	else
+	  error=$?
+	  $run $rm $removelist
+	  exit $error
+	fi
+      fi
+
+      # Append the name of the PIC object to the libtool object file.
+      test -z "$run" && cat >> ${libobj}T <<EOF
+pic_object='$objdir/$objname'
+
+EOF
+
+      # Allow error messages only from the first compilation.
+      if test "$suppress_opt" = yes; then
+        suppress_output=' >/dev/null 2>&1'
+      fi
+    else
+      # No PIC object so indicate it doesn't exist in the libtool
+      # object file.
+      test -z "$run" && cat >> ${libobj}T <<EOF
+pic_object=none
+
+EOF
+    fi
+
+    # Only build a position-dependent object if we build old libraries.
+    if test "$build_old_libs" = yes; then
+      if test "$pic_mode" != yes; then
+	# Don't build PIC code
+	command="$base_compile $qsrcfile"
+      else
+	command="$base_compile $qsrcfile $pic_flag"
+      fi
+      if test "$compiler_c_o" = yes; then
+	command="$command -o $obj"
+      fi
+
+      # Suppress compiler output if we already did a PIC compilation.
+      command="$command$suppress_output"
+      $run $rm "$obj" "$output_obj"
+      $show "$command"
+      if $run eval $lt_env "$command"; then :
+      else
+	$run $rm $removelist
+	exit $EXIT_FAILURE
+      fi
+
+      if test "$need_locks" = warn &&
+	 test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then
+	$echo "\
+*** ERROR, $lockfile contains:
+`cat $lockfile 2>/dev/null`
+
+but it should contain:
+$srcfile
+
+This indicates that another process is trying to use the same
+temporary object file, and libtool could not work around it because
+your compiler does not support \`-c' and \`-o' together.  If you
+repeat this compilation, it may succeed, by chance, but you had better
+avoid parallel builds (make -j) in this platform, or get a better
+compiler."
+
+	$run $rm $removelist
+	exit $EXIT_FAILURE
+      fi
+
+      # Just move the object if needed
+      if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then
+	$show "$mv $output_obj $obj"
+	if $run $mv $output_obj $obj; then :
+	else
+	  error=$?
+	  $run $rm $removelist
+	  exit $error
+	fi
+      fi
+
+      # Append the name of the non-PIC object the libtool object file.
+      # Only append if the libtool object file exists.
+      test -z "$run" && cat >> ${libobj}T <<EOF
+# Name of the non-PIC object.
+non_pic_object='$objname'
+
+EOF
+    else
+      # Append the name of the non-PIC object the libtool object file.
+      # Only append if the libtool object file exists.
+      test -z "$run" && cat >> ${libobj}T <<EOF
+# Name of the non-PIC object.
+non_pic_object=none
+
+EOF
+    fi
+
+    $run $mv "${libobj}T" "${libobj}"
+
+    # Unlock the critical section if it was locked
+    if test "$need_locks" != no; then
+      $run $rm "$lockfile"
+    fi
+
+    exit $EXIT_SUCCESS
+    ;;
+
+  # libtool link mode
+  link | relink)
+    modename="$modename: link"
+    case $host in
+    *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2*)
+      # It is impossible to link a dll without this setting, and
+      # we shouldn't force the makefile maintainer to figure out
+      # which system we are compiling for in order to pass an extra
+      # flag for every libtool invocation.
+      # allow_undefined=no
+
+      # FIXME: Unfortunately, there are problems with the above when trying
+      # to make a dll which has undefined symbols, in which case not
+      # even a static library is built.  For now, we need to specify
+      # -no-undefined on the libtool link line when we can be certain
+      # that all symbols are satisfied, otherwise we get a static library.
+      allow_undefined=yes
+      ;;
+    *)
+      allow_undefined=yes
+      ;;
+    esac
+    libtool_args="$nonopt"
+    base_compile="$nonopt $@"
+    compile_command="$nonopt"
+    finalize_command="$nonopt"
+
+    compile_rpath=
+    finalize_rpath=
+    compile_shlibpath=
+    finalize_shlibpath=
+    convenience=
+    old_convenience=
+    deplibs=
+    old_deplibs=
+    compiler_flags=
+    linker_flags=
+    dllsearchpath=
+    lib_search_path=`pwd`
+    inst_prefix_dir=
+
+    avoid_version=no
+    dlfiles=
+    dlprefiles=
+    dlself=no
+    export_dynamic=no
+    export_symbols=
+    export_symbols_regex=
+    generated=
+    libobjs=
+    ltlibs=
+    module=no
+    no_install=no
+    objs=
+    non_pic_objects=
+    notinst_path= # paths that contain not-installed libtool libraries
+    precious_files_regex=
+    prefer_static_libs=no
+    preload=no
+    prev=
+    prevarg=
+    release=
+    rpath=
+    xrpath=
+    perm_rpath=
+    temp_rpath=
+    thread_safe=no
+    vinfo=
+    vinfo_number=no
+    single_module="${wl}-single_module"
+
+    func_infer_tag $base_compile
+
+    # We need to know -static, to get the right output filenames.
+    for arg
+    do
+      case $arg in
+      -all-static | -static | -static-libtool-libs)
+	case $arg in
+	-all-static)
+	  if test "$build_libtool_libs" = yes && test -z "$link_static_flag"; then
+	    $echo "$modename: warning: complete static linking is impossible in this configuration" 1>&2
+	  fi
+	  if test -n "$link_static_flag"; then
+	    dlopen_self=$dlopen_self_static
+	  fi
+	  prefer_static_libs=yes
+	  ;;
+	-static)
+	  if test -z "$pic_flag" && test -n "$link_static_flag"; then
+	    dlopen_self=$dlopen_self_static
+	  fi
+	  prefer_static_libs=built
+	  ;;
+	-static-libtool-libs)
+	  if test -z "$pic_flag" && test -n "$link_static_flag"; then
+	    dlopen_self=$dlopen_self_static
+	  fi
+	  prefer_static_libs=yes
+	  ;;
+	esac
+	build_libtool_libs=no
+	build_old_libs=yes
+	break
+	;;
+      esac
+    done
+
+    # See if our shared archives depend on static archives.
+    test -n "$old_archive_from_new_cmds" && build_old_libs=yes
+
+    # Go through the arguments, transforming them on the way.
+    while test "$#" -gt 0; do
+      arg="$1"
+      shift
+      case $arg in
+      *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")
+	qarg=\"`$echo "X$arg" | $Xsed -e "$sed_quote_subst"`\" ### testsuite: skip nested quoting test
+	;;
+      *) qarg=$arg ;;
+      esac
+      libtool_args="$libtool_args $qarg"
+
+      # If the previous option needs an argument, assign it.
+      if test -n "$prev"; then
+	case $prev in
+	output)
+	  compile_command="$compile_command @OUTPUT@"
+	  finalize_command="$finalize_command @OUTPUT@"
+	  ;;
+	esac
+
+	case $prev in
+	dlfiles|dlprefiles)
+	  if test "$preload" = no; then
+	    # Add the symbol object into the linking commands.
+	    compile_command="$compile_command @SYMFILE@"
+	    finalize_command="$finalize_command @SYMFILE@"
+	    preload=yes
+	  fi
+	  case $arg in
+	  *.la | *.lo) ;;  # We handle these cases below.
+	  force)
+	    if test "$dlself" = no; then
+	      dlself=needless
+	      export_dynamic=yes
+	    fi
+	    prev=
+	    continue
+	    ;;
+	  self)
+	    if test "$prev" = dlprefiles; then
+	      dlself=yes
+	    elif test "$prev" = dlfiles && test "$dlopen_self" != yes; then
+	      dlself=yes
+	    else
+	      dlself=needless
+	      export_dynamic=yes
+	    fi
+	    prev=
+	    continue
+	    ;;
+	  *)
+	    if test "$prev" = dlfiles; then
+	      dlfiles="$dlfiles $arg"
+	    else
+	      dlprefiles="$dlprefiles $arg"
+	    fi
+	    prev=
+	    continue
+	    ;;
+	  esac
+	  ;;
+	expsyms)
+	  export_symbols="$arg"
+	  if test ! -f "$arg"; then
+	    $echo "$modename: symbol file \`$arg' does not exist"
+	    exit $EXIT_FAILURE
+	  fi
+	  prev=
+	  continue
+	  ;;
+	expsyms_regex)
+	  export_symbols_regex="$arg"
+	  prev=
+	  continue
+	  ;;
+	inst_prefix)
+	  inst_prefix_dir="$arg"
+	  prev=
+	  continue
+	  ;;
+	precious_regex)
+	  precious_files_regex="$arg"
+	  prev=
+	  continue
+	  ;;
+	release)
+	  release="-$arg"
+	  prev=
+	  continue
+	  ;;
+	objectlist)
+	  if test -f "$arg"; then
+	    save_arg=$arg
+	    moreargs=
+	    for fil in `cat $save_arg`
+	    do
+#	      moreargs="$moreargs $fil"
+	      arg=$fil
+	      # A libtool-controlled object.
+
+	      # Check to see that this really is a libtool object.
+	      if (${SED} -e '2q' $arg | grep "^# Generated by .*$PACKAGE") >/dev/null 2>&1; then
+		pic_object=
+		non_pic_object=
+
+		# Read the .lo file
+		# If there is no directory component, then add one.
+		case $arg in
+		*/* | *\\*) . $arg ;;
+		*) . ./$arg ;;
+		esac
+
+		if test -z "$pic_object" || \
+		   test -z "$non_pic_object" ||
+		   test "$pic_object" = none && \
+		   test "$non_pic_object" = none; then
+		  $echo "$modename: cannot find name of object for \`$arg'" 1>&2
+		  exit $EXIT_FAILURE
+		fi
+
+		# Extract subdirectory from the argument.
+		xdir=`$echo "X$arg" | $Xsed -e 's%/[^/]*$%%'`
+		if test "X$xdir" = "X$arg"; then
+		  xdir=
+		else
+		  xdir="$xdir/"
+		fi
+
+		if test "$pic_object" != none; then
+		  # Prepend the subdirectory the object is found in.
+		  pic_object="$xdir$pic_object"
+
+		  if test "$prev" = dlfiles; then
+		    if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then
+		      dlfiles="$dlfiles $pic_object"
+		      prev=
+		      continue
+		    else
+		      # If libtool objects are unsupported, then we need to preload.
+		      prev=dlprefiles
+		    fi
+		  fi
+
+		  # CHECK ME:  I think I busted this.  -Ossama
+		  if test "$prev" = dlprefiles; then
+		    # Preload the old-style object.
+		    dlprefiles="$dlprefiles $pic_object"
+		    prev=
+		  fi
+
+		  # A PIC object.
+		  libobjs="$libobjs $pic_object"
+		  arg="$pic_object"
+		fi
+
+		# Non-PIC object.
+		if test "$non_pic_object" != none; then
+		  # Prepend the subdirectory the object is found in.
+		  non_pic_object="$xdir$non_pic_object"
+
+		  # A standard non-PIC object
+		  non_pic_objects="$non_pic_objects $non_pic_object"
+		  if test -z "$pic_object" || test "$pic_object" = none ; then
+		    arg="$non_pic_object"
+		  fi
+		else
+		  # If the PIC object exists, use it instead.
+		  # $xdir was prepended to $pic_object above.
+		  non_pic_object="$pic_object"
+		  non_pic_objects="$non_pic_objects $non_pic_object"
+		fi
+	      else
+		# Only an error if not doing a dry-run.
+		if test -z "$run"; then
+		  $echo "$modename: \`$arg' is not a valid libtool object" 1>&2
+		  exit $EXIT_FAILURE
+		else
+		  # Dry-run case.
+
+		  # Extract subdirectory from the argument.
+		  xdir=`$echo "X$arg" | $Xsed -e 's%/[^/]*$%%'`
+		  if test "X$xdir" = "X$arg"; then
+		    xdir=
+		  else
+		    xdir="$xdir/"
+		  fi
+
+		  pic_object=`$echo "X${xdir}${objdir}/${arg}" | $Xsed -e "$lo2o"`
+		  non_pic_object=`$echo "X${xdir}${arg}" | $Xsed -e "$lo2o"`
+		  libobjs="$libobjs $pic_object"
+		  non_pic_objects="$non_pic_objects $non_pic_object"
+		fi
+	      fi
+	    done
+	  else
+	    $echo "$modename: link input file \`$save_arg' does not exist"
+	    exit $EXIT_FAILURE
+	  fi
+	  arg=$save_arg
+	  prev=
+	  continue
+	  ;;
+	rpath | xrpath)
+	  # We need an absolute path.
+	  case $arg in
+	  [\\/]* | [A-Za-z]:[\\/]*) ;;
+	  *)
+	    $echo "$modename: only absolute run-paths are allowed" 1>&2
+	    exit $EXIT_FAILURE
+	    ;;
+	  esac
+	  if test "$prev" = rpath; then
+	    case "$rpath " in
+	    *" $arg "*) ;;
+	    *) rpath="$rpath $arg" ;;
+	    esac
+	  else
+	    case "$xrpath " in
+	    *" $arg "*) ;;
+	    *) xrpath="$xrpath $arg" ;;
+	    esac
+	  fi
+	  prev=
+	  continue
+	  ;;
+	xcompiler)
+	  compiler_flags="$compiler_flags $qarg"
+	  prev=
+	  compile_command="$compile_command $qarg"
+	  finalize_command="$finalize_command $qarg"
+	  continue
+	  ;;
+	xlinker)
+	  linker_flags="$linker_flags $qarg"
+	  compiler_flags="$compiler_flags $wl$qarg"
+	  prev=
+	  compile_command="$compile_command $wl$qarg"
+	  finalize_command="$finalize_command $wl$qarg"
+	  continue
+	  ;;
+	xcclinker)
+	  linker_flags="$linker_flags $qarg"
+	  compiler_flags="$compiler_flags $qarg"
+	  prev=
+	  compile_command="$compile_command $qarg"
+	  finalize_command="$finalize_command $qarg"
+	  continue
+	  ;;
+	shrext)
+  	  shrext_cmds="$arg"
+	  prev=
+	  continue
+	  ;;
+	darwin_framework|darwin_framework_skip)
+	  test "$prev" = "darwin_framework" && compiler_flags="$compiler_flags $arg"
+	  compile_command="$compile_command $arg"
+	  finalize_command="$finalize_command $arg"
+	  prev=
+	  continue
+	  ;;
+	*)
+	  eval "$prev=\"\$arg\""
+	  prev=
+	  continue
+	  ;;
+	esac
+      fi # test -n "$prev"
+
+      prevarg="$arg"
+
+      case $arg in
+      -all-static)
+	if test -n "$link_static_flag"; then
+	  compile_command="$compile_command $link_static_flag"
+	  finalize_command="$finalize_command $link_static_flag"
+	fi
+	continue
+	;;
+
+      -allow-undefined)
+	# FIXME: remove this flag sometime in the future.
+	$echo "$modename: \`-allow-undefined' is deprecated because it is the default" 1>&2
+	continue
+	;;
+
+      -avoid-version)
+	avoid_version=yes
+	continue
+	;;
+
+      -dlopen)
+	prev=dlfiles
+	continue
+	;;
+
+      -dlpreopen)
+	prev=dlprefiles
+	continue
+	;;
+
+      -export-dynamic)
+	export_dynamic=yes
+	continue
+	;;
+
+      -export-symbols | -export-symbols-regex)
+	if test -n "$export_symbols" || test -n "$export_symbols_regex"; then
+	  $echo "$modename: more than one -exported-symbols argument is not allowed"
+	  exit $EXIT_FAILURE
+	fi
+	if test "X$arg" = "X-export-symbols"; then
+	  prev=expsyms
+	else
+	  prev=expsyms_regex
+	fi
+	continue
+	;;
+
+      -framework|-arch|-isysroot)
+	case " $CC " in
+	  *" ${arg} ${1} "* | *" ${arg}	${1} "*) 
+		prev=darwin_framework_skip ;;
+	  *) compiler_flags="$compiler_flags $arg"
+	     prev=darwin_framework ;;
+	esac
+	compile_command="$compile_command $arg"
+	finalize_command="$finalize_command $arg"
+	continue
+	;;
+
+      -inst-prefix-dir)
+	prev=inst_prefix
+	continue
+	;;
+
+      # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:*
+      # so, if we see these flags be careful not to treat them like -L
+      -L[A-Z][A-Z]*:*)
+	case $with_gcc/$host in
+	no/*-*-irix* | /*-*-irix*)
+	  compile_command="$compile_command $arg"
+	  finalize_command="$finalize_command $arg"
+	  ;;
+	esac
+	continue
+	;;
+
+      -L*)
+	dir=`$echo "X$arg" | $Xsed -e 's/^-L//'`
+	# We need an absolute path.
+	case $dir in
+	[\\/]* | [A-Za-z]:[\\/]*) ;;
+	*)
+	  absdir=`cd "$dir" && pwd`
+	  if test -z "$absdir"; then
+	    $echo "$modename: cannot determine absolute directory name of \`$dir'" 1>&2
+	    absdir="$dir"
+	    notinst_path="$notinst_path $dir"
+	  fi
+	  dir="$absdir"
+	  ;;
+	esac
+	case "$deplibs " in
+	*" -L$dir "*) ;;
+	*)
+	  deplibs="$deplibs -L$dir"
+	  lib_search_path="$lib_search_path $dir"
+	  ;;
+	esac
+	case $host in
+	*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2*)
+	  testbindir=`$echo "X$dir" | $Xsed -e 's*/lib$*/bin*'`
+	  case :$dllsearchpath: in
+	  *":$dir:"*) ;;
+	  *) dllsearchpath="$dllsearchpath:$dir";;
+	  esac
+	  case :$dllsearchpath: in
+	  *":$testbindir:"*) ;;
+	  *) dllsearchpath="$dllsearchpath:$testbindir";;
+	  esac
+	  ;;
+	esac
+	continue
+	;;
+
+      -l*)
+	if test "X$arg" = "X-lc" || test "X$arg" = "X-lm"; then
+	  case $host in
+	  *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-beos*)
+	    # These systems don't actually have a C or math library (as such)
+	    continue
+	    ;;
+	  *-*-os2*)
+	    # These systems don't actually have a C library (as such)
+	    test "X$arg" = "X-lc" && continue
+	    ;;
+	  *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*)
+	    # Do not include libc due to us having libc/libc_r.
+	    test "X$arg" = "X-lc" && continue
+	    ;;
+	  *-*-rhapsody* | *-*-darwin1.[012])
+	    # Rhapsody C and math libraries are in the System framework
+	    deplibs="$deplibs -framework System"
+	    continue
+	    ;;
+	  *-*-sco3.2v5* | *-*-sco5v6*)
+	    # Causes problems with __ctype
+	    test "X$arg" = "X-lc" && continue
+	    ;;
+	  *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*)
+	    # Compiler inserts libc in the correct place for threads to work
+	    test "X$arg" = "X-lc" && continue
+	    ;;
+	  esac
+	elif test "X$arg" = "X-lc_r"; then
+	 case $host in
+	 *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*)
+	   # Do not include libc_r directly, use -pthread flag.
+	   continue
+	   ;;
+	 esac
+	fi
+	deplibs="$deplibs $arg"
+	continue
+	;;
+
+      # Tru64 UNIX uses -model [arg] to determine the layout of C++
+      # classes, name mangling, and exception handling.
+      -model)
+	compile_command="$compile_command $arg"
+	compiler_flags="$compiler_flags $arg"
+	finalize_command="$finalize_command $arg"
+	prev=xcompiler
+	continue
+	;;
+
+     -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe|-threads)
+	compiler_flags="$compiler_flags $arg"
+	compile_command="$compile_command $arg"
+	finalize_command="$finalize_command $arg"
+	continue
+	;;
+
+      -multi_module)
+	single_module="${wl}-multi_module"
+	continue
+	;;
+
+      -module)
+	module=yes
+	continue
+	;;
+
+      # -64, -mips[0-9] enable 64-bit mode on the SGI compiler
+      # -r[0-9][0-9]* specifies the processor on the SGI compiler
+      # -xarch=*, -xtarget=* enable 64-bit mode on the Sun compiler
+      # +DA*, +DD* enable 64-bit mode on the HP compiler
+      # -q* pass through compiler args for the IBM compiler
+      # -m* pass through architecture-specific compiler args for GCC
+      # -m*, -t[45]*, -txscale* pass through architecture-specific
+      # compiler args for GCC
+      # -p, -pg, --coverage, -fprofile-* pass through profiling flag for GCC
+      # -F/path gives path to uninstalled frameworks, gcc on darwin
+      # @file GCC response files
+      -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \
+      -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*)
+
+	# Unknown arguments in both finalize_command and compile_command need
+	# to be aesthetically quoted because they are evaled later.
+	arg=`$echo "X$arg" | $Xsed -e "$sed_quote_subst"`
+	case $arg in
+	*[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")
+	  arg="\"$arg\""
+	  ;;
+	esac
+        compile_command="$compile_command $arg"
+        finalize_command="$finalize_command $arg"
+        compiler_flags="$compiler_flags $arg"
+        continue
+        ;;
+
+      -shrext)
+	prev=shrext
+	continue
+	;;
+
+      -no-fast-install)
+	fast_install=no
+	continue
+	;;
+
+      -no-install)
+	case $host in
+	*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin*)
+	  # The PATH hackery in wrapper scripts is required on Windows
+	  # and Darwin in order for the loader to find any dlls it needs.
+	  $echo "$modename: warning: \`-no-install' is ignored for $host" 1>&2
+	  $echo "$modename: warning: assuming \`-no-fast-install' instead" 1>&2
+	  fast_install=no
+	  ;;
+	*) no_install=yes ;;
+	esac
+	continue
+	;;
+
+      -no-undefined)
+	allow_undefined=no
+	continue
+	;;
+
+      -objectlist)
+	prev=objectlist
+	continue
+	;;
+
+      -o) prev=output ;;
+
+      -precious-files-regex)
+	prev=precious_regex
+	continue
+	;;
+
+      -release)
+	prev=release
+	continue
+	;;
+
+      -rpath)
+	prev=rpath
+	continue
+	;;
+
+      -R)
+	prev=xrpath
+	continue
+	;;
+
+      -R*)
+	dir=`$echo "X$arg" | $Xsed -e 's/^-R//'`
+	# We need an absolute path.
+	case $dir in
+	[\\/]* | [A-Za-z]:[\\/]*) ;;
+	*)
+	  $echo "$modename: only absolute run-paths are allowed" 1>&2
+	  exit $EXIT_FAILURE
+	  ;;
+	esac
+	case "$xrpath " in
+	*" $dir "*) ;;
+	*) xrpath="$xrpath $dir" ;;
+	esac
+	continue
+	;;
+
+      -static | -static-libtool-libs)
+	# The effects of -static are defined in a previous loop.
+	# We used to do the same as -all-static on platforms that
+	# didn't have a PIC flag, but the assumption that the effects
+	# would be equivalent was wrong.  It would break on at least
+	# Digital Unix and AIX.
+	continue
+	;;
+
+      -thread-safe)
+	thread_safe=yes
+	continue
+	;;
+
+      -version-info)
+	prev=vinfo
+	continue
+	;;
+      -version-number)
+	prev=vinfo
+	vinfo_number=yes
+	continue
+	;;
+
+      -Wc,*)
+	args=`$echo "X$arg" | $Xsed -e "$sed_quote_subst" -e 's/^-Wc,//'`
+	arg=
+	save_ifs="$IFS"; IFS=','
+	for flag in $args; do
+	  IFS="$save_ifs"
+	  case $flag in
+	    *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")
+	    flag="\"$flag\""
+	    ;;
+	  esac
+	  arg="$arg $wl$flag"
+	  compiler_flags="$compiler_flags $flag"
+	done
+	IFS="$save_ifs"
+	arg=`$echo "X$arg" | $Xsed -e "s/^ //"`
+	;;
+
+      -Wl,*)
+	args=`$echo "X$arg" | $Xsed -e "$sed_quote_subst" -e 's/^-Wl,//'`
+	arg=
+	save_ifs="$IFS"; IFS=','
+	for flag in $args; do
+	  IFS="$save_ifs"
+	  case $flag in
+	    *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")
+	    flag="\"$flag\""
+	    ;;
+	  esac
+	  arg="$arg $wl$flag"
+	  compiler_flags="$compiler_flags $wl$flag"
+	  linker_flags="$linker_flags $flag"
+	done
+	IFS="$save_ifs"
+	arg=`$echo "X$arg" | $Xsed -e "s/^ //"`
+	;;
+
+      -Xcompiler)
+	prev=xcompiler
+	continue
+	;;
+
+      -Xlinker)
+	prev=xlinker
+	continue
+	;;
+
+      -XCClinker)
+	prev=xcclinker
+	continue
+	;;
+
+      # Some other compiler flag.
+      -* | +*)
+	# Unknown arguments in both finalize_command and compile_command need
+	# to be aesthetically quoted because they are evaled later.
+	arg=`$echo "X$arg" | $Xsed -e "$sed_quote_subst"`
+	case $arg in
+	*[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")
+	  arg="\"$arg\""
+	  ;;
+	esac
+	;;
+
+      *.$objext)
+	# A standard object.
+	objs="$objs $arg"
+	;;
+
+      *.lo)
+	# A libtool-controlled object.
+
+	# Check to see that this really is a libtool object.
+	if (${SED} -e '2q' $arg | grep "^# Generated by .*$PACKAGE") >/dev/null 2>&1; then
+	  pic_object=
+	  non_pic_object=
+
+	  # Read the .lo file
+	  # If there is no directory component, then add one.
+	  case $arg in
+	  */* | *\\*) . $arg ;;
+	  *) . ./$arg ;;
+	  esac
+
+	  if test -z "$pic_object" || \
+	     test -z "$non_pic_object" ||
+	     test "$pic_object" = none && \
+	     test "$non_pic_object" = none; then
+	    $echo "$modename: cannot find name of object for \`$arg'" 1>&2
+	    exit $EXIT_FAILURE
+	  fi
+
+	  # Extract subdirectory from the argument.
+	  xdir=`$echo "X$arg" | $Xsed -e 's%/[^/]*$%%'`
+	  if test "X$xdir" = "X$arg"; then
+	    xdir=
+ 	  else
+	    xdir="$xdir/"
+	  fi
+
+	  if test "$pic_object" != none; then
+	    # Prepend the subdirectory the object is found in.
+	    pic_object="$xdir$pic_object"
+
+	    if test "$prev" = dlfiles; then
+	      if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then
+		dlfiles="$dlfiles $pic_object"
+		prev=
+		continue
+	      else
+		# If libtool objects are unsupported, then we need to preload.
+		prev=dlprefiles
+	      fi
+	    fi
+
+	    # CHECK ME:  I think I busted this.  -Ossama
+	    if test "$prev" = dlprefiles; then
+	      # Preload the old-style object.
+	      dlprefiles="$dlprefiles $pic_object"
+	      prev=
+	    fi
+
+	    # A PIC object.
+	    libobjs="$libobjs $pic_object"
+	    arg="$pic_object"
+	  fi
+
+	  # Non-PIC object.
+	  if test "$non_pic_object" != none; then
+	    # Prepend the subdirectory the object is found in.
+	    non_pic_object="$xdir$non_pic_object"
+
+	    # A standard non-PIC object
+	    non_pic_objects="$non_pic_objects $non_pic_object"
+	    if test -z "$pic_object" || test "$pic_object" = none ; then
+	      arg="$non_pic_object"
+	    fi
+	  else
+	    # If the PIC object exists, use it instead.
+	    # $xdir was prepended to $pic_object above.
+	    non_pic_object="$pic_object"
+	    non_pic_objects="$non_pic_objects $non_pic_object"
+	  fi
+	else
+	  # Only an error if not doing a dry-run.
+	  if test -z "$run"; then
+	    $echo "$modename: \`$arg' is not a valid libtool object" 1>&2
+	    exit $EXIT_FAILURE
+	  else
+	    # Dry-run case.
+
+	    # Extract subdirectory from the argument.
+	    xdir=`$echo "X$arg" | $Xsed -e 's%/[^/]*$%%'`
+	    if test "X$xdir" = "X$arg"; then
+	      xdir=
+	    else
+	      xdir="$xdir/"
+	    fi
+
+	    pic_object=`$echo "X${xdir}${objdir}/${arg}" | $Xsed -e "$lo2o"`
+	    non_pic_object=`$echo "X${xdir}${arg}" | $Xsed -e "$lo2o"`
+	    libobjs="$libobjs $pic_object"
+	    non_pic_objects="$non_pic_objects $non_pic_object"
+	  fi
+	fi
+	;;
+
+      *.$libext)
+	# An archive.
+	deplibs="$deplibs $arg"
+	old_deplibs="$old_deplibs $arg"
+	continue
+	;;
+
+      *.la)
+	# A libtool-controlled library.
+
+	if test "$prev" = dlfiles; then
+	  # This library was specified with -dlopen.
+	  dlfiles="$dlfiles $arg"
+	  prev=
+	elif test "$prev" = dlprefiles; then
+	  # The library was specified with -dlpreopen.
+	  dlprefiles="$dlprefiles $arg"
+	  prev=
+	else
+	  deplibs="$deplibs $arg"
+	fi
+	continue
+	;;
+
+      # Some other compiler argument.
+      *)
+	# Unknown arguments in both finalize_command and compile_command need
+	# to be aesthetically quoted because they are evaled later.
+	arg=`$echo "X$arg" | $Xsed -e "$sed_quote_subst"`
+	case $arg in
+	*[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")
+	  arg="\"$arg\""
+	  ;;
+	esac
+	;;
+      esac # arg
+
+      # Now actually substitute the argument into the commands.
+      if test -n "$arg"; then
+	compile_command="$compile_command $arg"
+	finalize_command="$finalize_command $arg"
+      fi
+    done # argument parsing loop
+
+    if test -n "$prev"; then
+      $echo "$modename: the \`$prevarg' option requires an argument" 1>&2
+      $echo "$help" 1>&2
+      exit $EXIT_FAILURE
+    fi
+
+    if test "$export_dynamic" = yes && test -n "$export_dynamic_flag_spec"; then
+      eval arg=\"$export_dynamic_flag_spec\"
+      compile_command="$compile_command $arg"
+      finalize_command="$finalize_command $arg"
+    fi
+
+    oldlibs=
+    # calculate the name of the file, without its directory
+    outputname=`$echo "X$output" | $Xsed -e 's%^.*/%%'`
+    libobjs_save="$libobjs"
+
+    if test -n "$shlibpath_var"; then
+      # get the directories listed in $shlibpath_var
+      eval shlib_search_path=\`\$echo \"X\${$shlibpath_var}\" \| \$Xsed -e \'s/:/ /g\'\`
+    else
+      shlib_search_path=
+    fi
+    eval sys_lib_search_path=\"$sys_lib_search_path_spec\"
+    eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\"
+
+    output_objdir=`$echo "X$output" | $Xsed -e 's%/[^/]*$%%'`
+    if test "X$output_objdir" = "X$output"; then
+      output_objdir="$objdir"
+    else
+      output_objdir="$output_objdir/$objdir"
+    fi
+    # Create the object directory.
+    if test ! -d "$output_objdir"; then
+      $show "$mkdir $output_objdir"
+      $run $mkdir $output_objdir
+      exit_status=$?
+      if test "$exit_status" -ne 0 && test ! -d "$output_objdir"; then
+	exit $exit_status
+      fi
+    fi
+
+    # Determine the type of output
+    case $output in
+    "")
+      $echo "$modename: you must specify an output file" 1>&2
+      $echo "$help" 1>&2
+      exit $EXIT_FAILURE
+      ;;
+    *.$libext) linkmode=oldlib ;;
+    *.lo | *.$objext) linkmode=obj ;;
+    *.la) linkmode=lib ;;
+    *) linkmode=prog ;; # Anything else should be a program.
+    esac
+
+    case $host in
+    *cygwin* | *mingw* | *pw32*)
+      # don't eliminate duplications in $postdeps and $predeps
+      duplicate_compiler_generated_deps=yes
+      ;;
+    *)
+      duplicate_compiler_generated_deps=$duplicate_deps
+      ;;
+    esac
+    specialdeplibs=
+
+    libs=
+    # Find all interdependent deplibs by searching for libraries
+    # that are linked more than once (e.g. -la -lb -la)
+    for deplib in $deplibs; do
+      if test "X$duplicate_deps" = "Xyes" ; then
+	case "$libs " in
+	*" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;;
+	esac
+      fi
+      libs="$libs $deplib"
+    done
+
+    if test "$linkmode" = lib; then
+      libs="$predeps $libs $compiler_lib_search_path $postdeps"
+
+      # Compute libraries that are listed more than once in $predeps
+      # $postdeps and mark them as special (i.e., whose duplicates are
+      # not to be eliminated).
+      pre_post_deps=
+      if test "X$duplicate_compiler_generated_deps" = "Xyes" ; then
+	for pre_post_dep in $predeps $postdeps; do
+	  case "$pre_post_deps " in
+	  *" $pre_post_dep "*) specialdeplibs="$specialdeplibs $pre_post_deps" ;;
+	  esac
+	  pre_post_deps="$pre_post_deps $pre_post_dep"
+	done
+      fi
+      pre_post_deps=
+    fi
+
+    deplibs=
+    newdependency_libs=
+    newlib_search_path=
+    need_relink=no # whether we're linking any uninstalled libtool libraries
+    notinst_deplibs= # not-installed libtool libraries
+    case $linkmode in
+    lib)
+	passes="conv link"
+	for file in $dlfiles $dlprefiles; do
+	  case $file in
+	  *.la) ;;
+	  *)
+	    $echo "$modename: libraries can \`-dlopen' only libtool libraries: $file" 1>&2
+	    exit $EXIT_FAILURE
+	    ;;
+	  esac
+	done
+	;;
+    prog)
+	compile_deplibs=
+	finalize_deplibs=
+	alldeplibs=no
+	newdlfiles=
+	newdlprefiles=
+	passes="conv scan dlopen dlpreopen link"
+	;;
+    *)  passes="conv"
+	;;
+    esac
+    for pass in $passes; do
+      if test "$linkmode,$pass" = "lib,link" ||
+	 test "$linkmode,$pass" = "prog,scan"; then
+	libs="$deplibs"
+	deplibs=
+      fi
+      if test "$linkmode" = prog; then
+	case $pass in
+	dlopen) libs="$dlfiles" ;;
+	dlpreopen) libs="$dlprefiles" ;;
+	link)
+	  libs="$deplibs %DEPLIBS%"
+	  test "X$link_all_deplibs" != Xno && libs="$libs $dependency_libs"
+	  ;;
+	esac
+      fi
+      if test "$pass" = dlopen; then
+	# Collect dlpreopened libraries
+	save_deplibs="$deplibs"
+	deplibs=
+      fi
+      for deplib in $libs; do
+	lib=
+	found=no
+	case $deplib in
+	-mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe|-threads)
+	  if test "$linkmode,$pass" = "prog,link"; then
+	    compile_deplibs="$deplib $compile_deplibs"
+	    finalize_deplibs="$deplib $finalize_deplibs"
+	  else
+	    compiler_flags="$compiler_flags $deplib"
+	  fi
+	  continue
+	  ;;
+	-l*)
+	  if test "$linkmode" != lib && test "$linkmode" != prog; then
+	    $echo "$modename: warning: \`-l' is ignored for archives/objects" 1>&2
+	    continue
+	  fi
+	  name=`$echo "X$deplib" | $Xsed -e 's/^-l//'`
+	  if test "$linkmode" = lib; then
+	    searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path"
+	  else
+	    searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path"
+	  fi
+	  for searchdir in $searchdirs; do
+	    for search_ext in .la $std_shrext .so .a; do
+	      # Search the libtool library
+	      lib="$searchdir/lib${name}${search_ext}"
+	      if test -f "$lib"; then
+		if test "$search_ext" = ".la"; then
+		  found=yes
+		else
+		  found=no
+		fi
+		break 2
+	      fi
+	    done
+	  done
+	  if test "$found" != yes; then
+	    # deplib doesn't seem to be a libtool library
+	    if test "$linkmode,$pass" = "prog,link"; then
+	      compile_deplibs="$deplib $compile_deplibs"
+	      finalize_deplibs="$deplib $finalize_deplibs"
+	    else
+	      deplibs="$deplib $deplibs"
+	      test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs"
+	    fi
+	    continue
+	  else # deplib is a libtool library
+	    # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib,
+	    # We need to do some special things here, and not later.
+	    if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+	      case " $predeps $postdeps " in
+	      *" $deplib "*)
+		if (${SED} -e '2q' $lib |
+                    grep "^# Generated by .*$PACKAGE") >/dev/null 2>&1; then
+		  library_names=
+		  old_library=
+		  case $lib in
+		  */* | *\\*) . $lib ;;
+		  *) . ./$lib ;;
+		  esac
+		  for l in $old_library $library_names; do
+		    ll="$l"
+		  done
+		  if test "X$ll" = "X$old_library" ; then # only static version available
+		    found=no
+		    ladir=`$echo "X$lib" | $Xsed -e 's%/[^/]*$%%'`
+		    test "X$ladir" = "X$lib" && ladir="."
+		    lib=$ladir/$old_library
+		    if test "$linkmode,$pass" = "prog,link"; then
+		      compile_deplibs="$deplib $compile_deplibs"
+		      finalize_deplibs="$deplib $finalize_deplibs"
+		    else
+		      deplibs="$deplib $deplibs"
+		      test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs"
+		    fi
+		    continue
+		  fi
+		fi
+	        ;;
+	      *) ;;
+	      esac
+	    fi
+	  fi
+	  ;; # -l
+	-L*)
+	  case $linkmode in
+	  lib)
+	    deplibs="$deplib $deplibs"
+	    test "$pass" = conv && continue
+	    newdependency_libs="$deplib $newdependency_libs"
+	    newlib_search_path="$newlib_search_path "`$echo "X$deplib" | $Xsed -e 's/^-L//'`
+	    ;;
+	  prog)
+	    if test "$pass" = conv; then
+	      deplibs="$deplib $deplibs"
+	      continue
+	    fi
+	    if test "$pass" = scan; then
+	      deplibs="$deplib $deplibs"
+	    else
+	      compile_deplibs="$deplib $compile_deplibs"
+	      finalize_deplibs="$deplib $finalize_deplibs"
+	    fi
+	    newlib_search_path="$newlib_search_path "`$echo "X$deplib" | $Xsed -e 's/^-L//'`
+	    ;;
+	  *)
+	    $echo "$modename: warning: \`-L' is ignored for archives/objects" 1>&2
+	    ;;
+	  esac # linkmode
+	  continue
+	  ;; # -L
+	-R*)
+	  if test "$pass" = link; then
+	    dir=`$echo "X$deplib" | $Xsed -e 's/^-R//'`
+	    # Make sure the xrpath contains only unique directories.
+	    case "$xrpath " in
+	    *" $dir "*) ;;
+	    *) xrpath="$xrpath $dir" ;;
+	    esac
+	  fi
+	  deplibs="$deplib $deplibs"
+	  continue
+	  ;;
+	*.la) lib="$deplib" ;;
+	*.$libext)
+	  if test "$pass" = conv; then
+	    deplibs="$deplib $deplibs"
+	    continue
+	  fi
+	  case $linkmode in
+	  lib)
+	    valid_a_lib=no
+	    case $deplibs_check_method in
+	      match_pattern*)
+		set dummy $deplibs_check_method
+	        match_pattern_regex=`expr "$deplibs_check_method" : "$2 \(.*\)"`
+		if eval $echo \"$deplib\" 2>/dev/null \
+		    | $SED 10q \
+		    | $EGREP "$match_pattern_regex" > /dev/null; then
+		  valid_a_lib=yes
+		fi
+		;;
+	      pass_all)
+		valid_a_lib=yes
+		;;
+            esac
+	    if test "$valid_a_lib" != yes; then
+	      $echo
+	      $echo "*** Warning: Trying to link with static lib archive $deplib."
+	      $echo "*** I have the capability to make that library automatically link in when"
+	      $echo "*** you link to this library.  But I can only do this if you have a"
+	      $echo "*** shared version of the library, which you do not appear to have"
+	      $echo "*** because the file extensions .$libext of this argument makes me believe"
+	      $echo "*** that it is just a static archive that I should not used here."
+	    else
+	      $echo
+	      $echo "*** Warning: Linking the shared library $output against the"
+	      $echo "*** static library $deplib is not portable!"
+	      deplibs="$deplib $deplibs"
+	    fi
+	    continue
+	    ;;
+	  prog)
+	    if test "$pass" != link; then
+	      deplibs="$deplib $deplibs"
+	    else
+	      compile_deplibs="$deplib $compile_deplibs"
+	      finalize_deplibs="$deplib $finalize_deplibs"
+	    fi
+	    continue
+	    ;;
+	  esac # linkmode
+	  ;; # *.$libext
+	*.lo | *.$objext)
+	  if test "$pass" = conv; then
+	    deplibs="$deplib $deplibs"
+	  elif test "$linkmode" = prog; then
+	    if test "$pass" = dlpreopen || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then
+	      # If there is no dlopen support or we're linking statically,
+	      # we need to preload.
+	      newdlprefiles="$newdlprefiles $deplib"
+	      compile_deplibs="$deplib $compile_deplibs"
+	      finalize_deplibs="$deplib $finalize_deplibs"
+	    else
+	      newdlfiles="$newdlfiles $deplib"
+	    fi
+	  fi
+	  continue
+	  ;;
+	%DEPLIBS%)
+	  alldeplibs=yes
+	  continue
+	  ;;
+	esac # case $deplib
+	if test "$found" = yes || test -f "$lib"; then :
+	else
+	  $echo "$modename: cannot find the library \`$lib' or unhandled argument \`$deplib'" 1>&2
+	  exit $EXIT_FAILURE
+	fi
+
+	# Check to see that this really is a libtool archive.
+	if (${SED} -e '2q' $lib | grep "^# Generated by .*$PACKAGE") >/dev/null 2>&1; then :
+	else
+	  $echo "$modename: \`$lib' is not a valid libtool archive" 1>&2
+	  exit $EXIT_FAILURE
+	fi
+
+	ladir=`$echo "X$lib" | $Xsed -e 's%/[^/]*$%%'`
+	test "X$ladir" = "X$lib" && ladir="."
+
+	dlname=
+	dlopen=
+	dlpreopen=
+	libdir=
+	library_names=
+	old_library=
+	# If the library was installed with an old release of libtool,
+	# it will not redefine variables installed, or shouldnotlink
+	installed=yes
+	shouldnotlink=no
+	avoidtemprpath=
+
+
+	# Read the .la file
+	case $lib in
+	*/* | *\\*) . $lib ;;
+	*) . ./$lib ;;
+	esac
+
+	if test "$linkmode,$pass" = "lib,link" ||
+	   test "$linkmode,$pass" = "prog,scan" ||
+	   { test "$linkmode" != prog && test "$linkmode" != lib; }; then
+	  test -n "$dlopen" && dlfiles="$dlfiles $dlopen"
+	  test -n "$dlpreopen" && dlprefiles="$dlprefiles $dlpreopen"
+	fi
+
+	if test "$pass" = conv; then
+	  # Only check for convenience libraries
+	  deplibs="$lib $deplibs"
+	  if test -z "$libdir"; then
+	    if test -z "$old_library"; then
+	      $echo "$modename: cannot find name of link library for \`$lib'" 1>&2
+	      exit $EXIT_FAILURE
+	    fi
+	    # It is a libtool convenience library, so add in its objects.
+	    convenience="$convenience $ladir/$objdir/$old_library"
+	    old_convenience="$old_convenience $ladir/$objdir/$old_library"
+	    tmp_libs=
+	    for deplib in $dependency_libs; do
+	      deplibs="$deplib $deplibs"
+              if test "X$duplicate_deps" = "Xyes" ; then
+	        case "$tmp_libs " in
+	        *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;;
+	        esac
+              fi
+	      tmp_libs="$tmp_libs $deplib"
+	    done
+	  elif test "$linkmode" != prog && test "$linkmode" != lib; then
+	    $echo "$modename: \`$lib' is not a convenience library" 1>&2
+	    exit $EXIT_FAILURE
+	  fi
+	  continue
+	fi # $pass = conv
+
+
+	# Get the name of the library we link against.
+	linklib=
+	for l in $old_library $library_names; do
+	  linklib="$l"
+	done
+	if test -z "$linklib"; then
+	  $echo "$modename: cannot find name of link library for \`$lib'" 1>&2
+	  exit $EXIT_FAILURE
+	fi
+
+	# This library was specified with -dlopen.
+	if test "$pass" = dlopen; then
+	  if test -z "$libdir"; then
+	    $echo "$modename: cannot -dlopen a convenience library: \`$lib'" 1>&2
+	    exit $EXIT_FAILURE
+	  fi
+	  if test -z "$dlname" ||
+	     test "$dlopen_support" != yes ||
+	     test "$build_libtool_libs" = no; then
+	    # If there is no dlname, no dlopen support or we're linking
+	    # statically, we need to preload.  We also need to preload any
+	    # dependent libraries so libltdl's deplib preloader doesn't
+	    # bomb out in the load deplibs phase.
+	    dlprefiles="$dlprefiles $lib $dependency_libs"
+	  else
+	    newdlfiles="$newdlfiles $lib"
+	  fi
+	  continue
+	fi # $pass = dlopen
+
+	# We need an absolute path.
+	case $ladir in
+	[\\/]* | [A-Za-z]:[\\/]*) abs_ladir="$ladir" ;;
+	*)
+	  abs_ladir=`cd "$ladir" && pwd`
+	  if test -z "$abs_ladir"; then
+	    $echo "$modename: warning: cannot determine absolute directory name of \`$ladir'" 1>&2
+	    $echo "$modename: passing it literally to the linker, although it might fail" 1>&2
+	    abs_ladir="$ladir"
+	  fi
+	  ;;
+	esac
+	laname=`$echo "X$lib" | $Xsed -e 's%^.*/%%'`
+
+	# Find the relevant object directory and library name.
+	if test "X$installed" = Xyes; then
+	  if test ! -f "$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then
+	    $echo "$modename: warning: library \`$lib' was moved." 1>&2
+	    dir="$ladir"
+	    absdir="$abs_ladir"
+	    libdir="$abs_ladir"
+	  else
+	    dir="$libdir"
+	    absdir="$libdir"
+	  fi
+	  test "X$hardcode_automatic" = Xyes && avoidtemprpath=yes
+	else
+	  if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then
+	    dir="$ladir"
+	    absdir="$abs_ladir"
+	    # Remove this search path later
+	    notinst_path="$notinst_path $abs_ladir"
+	  else
+	    dir="$ladir/$objdir"
+	    absdir="$abs_ladir/$objdir"
+	    # Remove this search path later
+	    notinst_path="$notinst_path $abs_ladir"
+	  fi
+	fi # $installed = yes
+	name=`$echo "X$laname" | $Xsed -e 's/\.la$//' -e 's/^lib//'`
+
+	# This library was specified with -dlpreopen.
+	if test "$pass" = dlpreopen; then
+	  if test -z "$libdir"; then
+	    $echo "$modename: cannot -dlpreopen a convenience library: \`$lib'" 1>&2
+	    exit $EXIT_FAILURE
+	  fi
+	  # Prefer using a static library (so that no silly _DYNAMIC symbols
+	  # are required to link).
+	  if test -n "$old_library"; then
+	    newdlprefiles="$newdlprefiles $dir/$old_library"
+	  # Otherwise, use the dlname, so that lt_dlopen finds it.
+	  elif test -n "$dlname"; then
+	    newdlprefiles="$newdlprefiles $dir/$dlname"
+	  else
+	    newdlprefiles="$newdlprefiles $dir/$linklib"
+	  fi
+	fi # $pass = dlpreopen
+
+	if test -z "$libdir"; then
+	  # Link the convenience library
+	  if test "$linkmode" = lib; then
+	    deplibs="$dir/$old_library $deplibs"
+	  elif test "$linkmode,$pass" = "prog,link"; then
+	    compile_deplibs="$dir/$old_library $compile_deplibs"
+	    finalize_deplibs="$dir/$old_library $finalize_deplibs"
+	  else
+	    deplibs="$lib $deplibs" # used for prog,scan pass
+	  fi
+	  continue
+	fi
+
+
+	if test "$linkmode" = prog && test "$pass" != link; then
+	  newlib_search_path="$newlib_search_path $ladir"
+	  deplibs="$lib $deplibs"
+
+	  linkalldeplibs=no
+	  if test "$link_all_deplibs" != no || test -z "$library_names" ||
+	     test "$build_libtool_libs" = no; then
+	    linkalldeplibs=yes
+	  fi
+
+	  tmp_libs=
+	  for deplib in $dependency_libs; do
+	    case $deplib in
+	    -L*) newlib_search_path="$newlib_search_path "`$echo "X$deplib" | $Xsed -e 's/^-L//'`;; ### testsuite: skip nested quoting test
+	    esac
+	    # Need to link against all dependency_libs?
+	    if test "$linkalldeplibs" = yes; then
+	      deplibs="$deplib $deplibs"
+	    else
+	      # Need to hardcode shared library paths
+	      # or/and link against static libraries
+	      newdependency_libs="$deplib $newdependency_libs"
+	    fi
+	    if test "X$duplicate_deps" = "Xyes" ; then
+	      case "$tmp_libs " in
+	      *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;;
+	      esac
+	    fi
+	    tmp_libs="$tmp_libs $deplib"
+	  done # for deplib
+	  continue
+	fi # $linkmode = prog...
+
+	if test "$linkmode,$pass" = "prog,link"; then
+	  if test -n "$library_names" &&
+	     { { test "$prefer_static_libs" = no ||
+		 test "$prefer_static_libs,$installed" = "built,yes"; } ||
+	       test -z "$old_library"; }; then
+	    # We need to hardcode the library path
+	    if test -n "$shlibpath_var" && test -z "$avoidtemprpath" ; then
+	      # Make sure the rpath contains only unique directories.
+	      case "$temp_rpath " in
+	      *" $dir "*) ;;
+	      *" $absdir "*) ;;
+	      *) temp_rpath="$temp_rpath $absdir" ;;
+	      esac
+	    fi
+
+	    # Hardcode the library path.
+	    # Skip directories that are in the system default run-time
+	    # search path.
+	    case " $sys_lib_dlsearch_path " in
+	    *" $absdir "*) ;;
+	    *)
+	      case "$compile_rpath " in
+	      *" $absdir "*) ;;
+	      *) compile_rpath="$compile_rpath $absdir"
+	      esac
+	      ;;
+	    esac
+	    case " $sys_lib_dlsearch_path " in
+	    *" $libdir "*) ;;
+	    *)
+	      case "$finalize_rpath " in
+	      *" $libdir "*) ;;
+	      *) finalize_rpath="$finalize_rpath $libdir"
+	      esac
+	      ;;
+	    esac
+	  fi # $linkmode,$pass = prog,link...
+
+	  if test "$alldeplibs" = yes &&
+	     { test "$deplibs_check_method" = pass_all ||
+	       { test "$build_libtool_libs" = yes &&
+		 test -n "$library_names"; }; }; then
+	    # We only need to search for static libraries
+	    continue
+	  fi
+	fi
+
+	link_static=no # Whether the deplib will be linked statically
+	use_static_libs=$prefer_static_libs
+	if test "$use_static_libs" = built && test "$installed" = yes ; then
+	  use_static_libs=no
+	fi
+	if test -n "$library_names" &&
+	   { test "$use_static_libs" = no || test -z "$old_library"; }; then
+	  if test "$installed" = no; then
+	    notinst_deplibs="$notinst_deplibs $lib"
+	    need_relink=yes
+	  fi
+	  # This is a shared library
+
+	  # Warn about portability, can't link against -module's on
+	  # some systems (darwin)
+	  if test "$shouldnotlink" = yes && test "$pass" = link ; then
+	    $echo
+	    if test "$linkmode" = prog; then
+	      $echo "*** Warning: Linking the executable $output against the loadable module"
+	    else
+	      $echo "*** Warning: Linking the shared library $output against the loadable module"
+	    fi
+	    $echo "*** $linklib is not portable!"
+	  fi
+	  if test "$linkmode" = lib &&
+	     test "$hardcode_into_libs" = yes; then
+	    # Hardcode the library path.
+	    # Skip directories that are in the system default run-time
+	    # search path.
+	    case " $sys_lib_dlsearch_path " in
+	    *" $absdir "*) ;;
+	    *)
+	      case "$compile_rpath " in
+	      *" $absdir "*) ;;
+	      *) compile_rpath="$compile_rpath $absdir"
+	      esac
+	      ;;
+	    esac
+	    case " $sys_lib_dlsearch_path " in
+	    *" $libdir "*) ;;
+	    *)
+	      case "$finalize_rpath " in
+	      *" $libdir "*) ;;
+	      *) finalize_rpath="$finalize_rpath $libdir"
+	      esac
+	      ;;
+	    esac
+	  fi
+
+	  if test -n "$old_archive_from_expsyms_cmds"; then
+	    # figure out the soname
+	    set dummy $library_names
+	    realname="$2"
+	    shift; shift
+	    libname=`eval \\$echo \"$libname_spec\"`
+	    # use dlname if we got it. it's perfectly good, no?
+	    if test -n "$dlname"; then
+	      soname="$dlname"
+	    elif test -n "$soname_spec"; then
+	      # bleh windows
+	      case $host in
+	      *cygwin* | mingw*)
+		major=`expr $current - $age`
+		versuffix="-$major"
+		;;
+	      esac
+	      eval soname=\"$soname_spec\"
+	    else
+	      soname="$realname"
+	    fi
+
+	    # Make a new name for the extract_expsyms_cmds to use
+	    soroot="$soname"
+	    soname=`$echo $soroot | ${SED} -e 's/^.*\///'`
+	    newlib="libimp-`$echo $soname | ${SED} 's/^lib//;s/\.dll$//'`.a"
+
+	    # If the library has no export list, then create one now
+	    if test -f "$output_objdir/$soname-def"; then :
+	    else
+	      $show "extracting exported symbol list from \`$soname'"
+	      save_ifs="$IFS"; IFS='~'
+	      cmds=$extract_expsyms_cmds
+	      for cmd in $cmds; do
+		IFS="$save_ifs"
+		eval cmd=\"$cmd\"
+		$show "$cmd"
+		$run eval "$cmd" || exit $?
+	      done
+	      IFS="$save_ifs"
+	    fi
+
+	    # Create $newlib
+	    if test -f "$output_objdir/$newlib"; then :; else
+	      $show "generating import library for \`$soname'"
+	      save_ifs="$IFS"; IFS='~'
+	      cmds=$old_archive_from_expsyms_cmds
+	      for cmd in $cmds; do
+		IFS="$save_ifs"
+		eval cmd=\"$cmd\"
+		$show "$cmd"
+		$run eval "$cmd" || exit $?
+	      done
+	      IFS="$save_ifs"
+	    fi
+	    # make sure the library variables are pointing to the new library
+	    dir=$output_objdir
+	    linklib=$newlib
+	  fi # test -n "$old_archive_from_expsyms_cmds"
+
+	  if test "$linkmode" = prog || test "$mode" != relink; then
+	    add_shlibpath=
+	    add_dir=
+	    add=
+	    lib_linked=yes
+	    case $hardcode_action in
+	    immediate | unsupported)
+	      if test "$hardcode_direct" = no; then
+		add="$dir/$linklib"
+		case $host in
+		  *-*-sco3.2v5.0.[024]*) add_dir="-L$dir" ;;
+		  *-*-sysv4*uw2*) add_dir="-L$dir" ;;
+		  *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \
+		    *-*-unixware7*) add_dir="-L$dir" ;;
+		  *-*-darwin* )
+		    # if the lib is a module then we can not link against
+		    # it, someone is ignoring the new warnings I added
+		    if /usr/bin/file -L $add 2> /dev/null |
+                      $EGREP ": [^:]* bundle" >/dev/null ; then
+		      $echo "** Warning, lib $linklib is a module, not a shared library"
+		      if test -z "$old_library" ; then
+		        $echo
+		        $echo "** And there doesn't seem to be a static archive available"
+		        $echo "** The link will probably fail, sorry"
+		      else
+		        add="$dir/$old_library"
+		      fi
+		    fi
+		esac
+	      elif test "$hardcode_minus_L" = no; then
+		case $host in
+		*-*-sunos*) add_shlibpath="$dir" ;;
+		esac
+		add_dir="-L$dir"
+		add="-l$name"
+	      elif test "$hardcode_shlibpath_var" = no; then
+		add_shlibpath="$dir"
+		add="-l$name"
+	      else
+		lib_linked=no
+	      fi
+	      ;;
+	    relink)
+	      if test "$hardcode_direct" = yes; then
+		add="$dir/$linklib"
+	      elif test "$hardcode_minus_L" = yes; then
+		add_dir="-L$dir"
+		# Try looking first in the location we're being installed to.
+		if test -n "$inst_prefix_dir"; then
+		  case $libdir in
+		    [\\/]*)
+		      add_dir="$add_dir -L$inst_prefix_dir$libdir"
+		      ;;
+		  esac
+		fi
+		add="-l$name"
+	      elif test "$hardcode_shlibpath_var" = yes; then
+		add_shlibpath="$dir"
+		add="-l$name"
+	      else
+		lib_linked=no
+	      fi
+	      ;;
+	    *) lib_linked=no ;;
+	    esac
+
+	    if test "$lib_linked" != yes; then
+	      $echo "$modename: configuration error: unsupported hardcode properties"
+	      exit $EXIT_FAILURE
+	    fi
+
+	    if test -n "$add_shlibpath"; then
+	      case :$compile_shlibpath: in
+	      *":$add_shlibpath:"*) ;;
+	      *) compile_shlibpath="$compile_shlibpath$add_shlibpath:" ;;
+	      esac
+	    fi
+	    if test "$linkmode" = prog; then
+	      test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs"
+	      test -n "$add" && compile_deplibs="$add $compile_deplibs"
+	    else
+	      test -n "$add_dir" && deplibs="$add_dir $deplibs"
+	      test -n "$add" && deplibs="$add $deplibs"
+	      if test "$hardcode_direct" != yes && \
+		 test "$hardcode_minus_L" != yes && \
+		 test "$hardcode_shlibpath_var" = yes; then
+		case :$finalize_shlibpath: in
+		*":$libdir:"*) ;;
+		*) finalize_shlibpath="$finalize_shlibpath$libdir:" ;;
+		esac
+	      fi
+	    fi
+	  fi
+
+	  if test "$linkmode" = prog || test "$mode" = relink; then
+	    add_shlibpath=
+	    add_dir=
+	    add=
+	    # Finalize command for both is simple: just hardcode it.
+	    if test "$hardcode_direct" = yes; then
+	      add="$libdir/$linklib"
+	    elif test "$hardcode_minus_L" = yes; then
+	      add_dir="-L$libdir"
+	      add="-l$name"
+	    elif test "$hardcode_shlibpath_var" = yes; then
+	      case :$finalize_shlibpath: in
+	      *":$libdir:"*) ;;
+	      *) finalize_shlibpath="$finalize_shlibpath$libdir:" ;;
+	      esac
+	      add="-l$name"
+	    elif test "$hardcode_automatic" = yes; then
+	      if test -n "$inst_prefix_dir" &&
+		 test -f "$inst_prefix_dir$libdir/$linklib" ; then
+	        add="$inst_prefix_dir$libdir/$linklib"
+	      else
+	        add="$libdir/$linklib"
+	      fi
+	    else
+	      # We cannot seem to hardcode it, guess we'll fake it.
+	      add_dir="-L$libdir"
+	      # Try looking first in the location we're being installed to.
+	      if test -n "$inst_prefix_dir"; then
+		case $libdir in
+		  [\\/]*)
+		    add_dir="$add_dir -L$inst_prefix_dir$libdir"
+		    ;;
+		esac
+	      fi
+	      add="-l$name"
+	    fi
+
+	    if test "$linkmode" = prog; then
+	      test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs"
+	      test -n "$add" && finalize_deplibs="$add $finalize_deplibs"
+	    else
+	      test -n "$add_dir" && deplibs="$add_dir $deplibs"
+	      test -n "$add" && deplibs="$add $deplibs"
+	    fi
+	  fi
+	elif test "$linkmode" = prog; then
+	  # Here we assume that one of hardcode_direct or hardcode_minus_L
+	  # is not unsupported.  This is valid on all known static and
+	  # shared platforms.
+	  if test "$hardcode_direct" != unsupported; then
+	    test -n "$old_library" && linklib="$old_library"
+	    compile_deplibs="$dir/$linklib $compile_deplibs"
+	    finalize_deplibs="$dir/$linklib $finalize_deplibs"
+	  else
+	    compile_deplibs="-l$name -L$dir $compile_deplibs"
+	    finalize_deplibs="-l$name -L$dir $finalize_deplibs"
+	  fi
+	elif test "$build_libtool_libs" = yes; then
+	  # Not a shared library
+	  if test "$deplibs_check_method" != pass_all; then
+	    # We're trying link a shared library against a static one
+	    # but the system doesn't support it.
+
+	    # Just print a warning and add the library to dependency_libs so
+	    # that the program can be linked against the static library.
+	    $echo
+	    $echo "*** Warning: This system can not link to static lib archive $lib."
+	    $echo "*** I have the capability to make that library automatically link in when"
+	    $echo "*** you link to this library.  But I can only do this if you have a"
+	    $echo "*** shared version of the library, which you do not appear to have."
+	    if test "$module" = yes; then
+	      $echo "*** But as you try to build a module library, libtool will still create "
+	      $echo "*** a static module, that should work as long as the dlopening application"
+	      $echo "*** is linked with the -dlopen flag to resolve symbols at runtime."
+	      if test -z "$global_symbol_pipe"; then
+		$echo
+		$echo "*** However, this would only work if libtool was able to extract symbol"
+		$echo "*** lists from a program, using \`nm' or equivalent, but libtool could"
+		$echo "*** not find such a program.  So, this module is probably useless."
+		$echo "*** \`nm' from GNU binutils and a full rebuild may help."
+	      fi
+	      if test "$build_old_libs" = no; then
+		build_libtool_libs=module
+		build_old_libs=yes
+	      else
+		build_libtool_libs=no
+	      fi
+	    fi
+	  else
+	    deplibs="$dir/$old_library $deplibs"
+	    link_static=yes
+	  fi
+	fi # link shared/static library?
+
+	if test "$linkmode" = lib; then
+	  if test -n "$dependency_libs" &&
+	     { test "$hardcode_into_libs" != yes ||
+	       test "$build_old_libs" = yes ||
+	       test "$link_static" = yes; }; then
+	    # Extract -R from dependency_libs
+	    temp_deplibs=
+	    for libdir in $dependency_libs; do
+	      case $libdir in
+	      -R*) temp_xrpath=`$echo "X$libdir" | $Xsed -e 's/^-R//'`
+		   case " $xrpath " in
+		   *" $temp_xrpath "*) ;;
+		   *) xrpath="$xrpath $temp_xrpath";;
+		   esac;;
+	      *) temp_deplibs="$temp_deplibs $libdir";;
+	      esac
+	    done
+	    dependency_libs="$temp_deplibs"
+	  fi
+
+	  newlib_search_path="$newlib_search_path $absdir"
+	  # Link against this library
+	  test "$link_static" = no && newdependency_libs="$abs_ladir/$laname $newdependency_libs"
+	  # ... and its dependency_libs
+	  tmp_libs=
+	  for deplib in $dependency_libs; do
+	    newdependency_libs="$deplib $newdependency_libs"
+	    if test "X$duplicate_deps" = "Xyes" ; then
+	      case "$tmp_libs " in
+	      *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;;
+	      esac
+	    fi
+	    tmp_libs="$tmp_libs $deplib"
+	  done
+
+	  if test "$link_all_deplibs" != no; then
+	    # Add the search paths of all dependency libraries
+	    for deplib in $dependency_libs; do
+	      case $deplib in
+	      -L*) path="$deplib" ;;
+	      *.la)
+		dir=`$echo "X$deplib" | $Xsed -e 's%/[^/]*$%%'`
+		test "X$dir" = "X$deplib" && dir="."
+		# We need an absolute path.
+		case $dir in
+		[\\/]* | [A-Za-z]:[\\/]*) absdir="$dir" ;;
+		*)
+		  absdir=`cd "$dir" && pwd`
+		  if test -z "$absdir"; then
+		    $echo "$modename: warning: cannot determine absolute directory name of \`$dir'" 1>&2
+		    absdir="$dir"
+		  fi
+		  ;;
+		esac
+		if grep "^installed=no" $deplib > /dev/null; then
+		  path="$absdir/$objdir"
+		else
+		  eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib`
+		  if test -z "$libdir"; then
+		    $echo "$modename: \`$deplib' is not a valid libtool archive" 1>&2
+		    exit $EXIT_FAILURE
+		  fi
+		  if test "$absdir" != "$libdir"; then
+		    $echo "$modename: warning: \`$deplib' seems to be moved" 1>&2
+		  fi
+		  path="$absdir"
+		fi
+		depdepl=
+		case $host in
+		*-*-darwin*)
+		  # we do not want to link against static libs,
+		  # but need to link against shared
+		  eval deplibrary_names=`${SED} -n -e 's/^library_names=\(.*\)$/\1/p' $deplib`
+		  eval deplibdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib`
+		  if test -n "$deplibrary_names" ; then
+		    for tmp in $deplibrary_names ; do
+		      depdepl=$tmp
+		    done
+		    if test -f "$deplibdir/$depdepl" ; then
+		      depdepl="$deplibdir/$depdepl"
+	      	    elif test -f "$path/$depdepl" ; then
+		      depdepl="$path/$depdepl"
+		    else
+		      # Can't find it, oh well...
+		      depdepl=
+		    fi
+		    # do not add paths which are already there
+		    case " $newlib_search_path " in
+		    *" $path "*) ;;
+		    *) newlib_search_path="$newlib_search_path $path";;
+		    esac
+		  fi
+		  path=""
+		  ;;
+		*)
+		  path="-L$path"
+		  ;;
+		esac
+		;;
+	      -l*)
+		case $host in
+		*-*-darwin*)
+		  # Again, we only want to link against shared libraries
+		  eval tmp_libs=`$echo "X$deplib" | $Xsed -e "s,^\-l,,"`
+		  for tmp in $newlib_search_path ; do
+		    if test -f "$tmp/lib$tmp_libs.dylib" ; then
+		      eval depdepl="$tmp/lib$tmp_libs.dylib"
+		      break
+		    fi
+		  done
+		  path=""
+		  ;;
+		*) continue ;;
+		esac
+		;;
+	      *) continue ;;
+	      esac
+	      case " $deplibs " in
+	      *" $path "*) ;;
+	      *) deplibs="$path $deplibs" ;;
+	      esac
+	      case " $deplibs " in
+	      *" $depdepl "*) ;;
+	      *) deplibs="$depdepl $deplibs" ;;
+	      esac
+	    done
+	  fi # link_all_deplibs != no
+	fi # linkmode = lib
+      done # for deplib in $libs
+      dependency_libs="$newdependency_libs"
+      if test "$pass" = dlpreopen; then
+	# Link the dlpreopened libraries before other libraries
+	for deplib in $save_deplibs; do
+	  deplibs="$deplib $deplibs"
+	done
+      fi
+      if test "$pass" != dlopen; then
+	if test "$pass" != conv; then
+	  # Make sure lib_search_path contains only unique directories.
+	  lib_search_path=
+	  for dir in $newlib_search_path; do
+	    case "$lib_search_path " in
+	    *" $dir "*) ;;
+	    *) lib_search_path="$lib_search_path $dir" ;;
+	    esac
+	  done
+	  newlib_search_path=
+	fi
+
+	if test "$linkmode,$pass" != "prog,link"; then
+	  vars="deplibs"
+	else
+	  vars="compile_deplibs finalize_deplibs"
+	fi
+	for var in $vars dependency_libs; do
+	  # Add libraries to $var in reverse order
+	  eval tmp_libs=\"\$$var\"
+	  new_libs=
+	  for deplib in $tmp_libs; do
+	    # FIXME: Pedantically, this is the right thing to do, so
+	    #        that some nasty dependency loop isn't accidentally
+	    #        broken:
+	    #new_libs="$deplib $new_libs"
+	    # Pragmatically, this seems to cause very few problems in
+	    # practice:
+	    case $deplib in
+	    -L*) new_libs="$deplib $new_libs" ;;
+	    -R*) ;;
+	    *)
+	      # And here is the reason: when a library appears more
+	      # than once as an explicit dependence of a library, or
+	      # is implicitly linked in more than once by the
+	      # compiler, it is considered special, and multiple
+	      # occurrences thereof are not removed.  Compare this
+	      # with having the same library being listed as a
+	      # dependency of multiple other libraries: in this case,
+	      # we know (pedantically, we assume) the library does not
+	      # need to be listed more than once, so we keep only the
+	      # last copy.  This is not always right, but it is rare
+	      # enough that we require users that really mean to play
+	      # such unportable linking tricks to link the library
+	      # using -Wl,-lname, so that libtool does not consider it
+	      # for duplicate removal.
+	      case " $specialdeplibs " in
+	      *" $deplib "*) new_libs="$deplib $new_libs" ;;
+	      *)
+		case " $new_libs " in
+		*" $deplib "*) ;;
+		*) new_libs="$deplib $new_libs" ;;
+		esac
+		;;
+	      esac
+	      ;;
+	    esac
+	  done
+	  tmp_libs=
+	  for deplib in $new_libs; do
+	    case $deplib in
+	    -L*)
+	      case " $tmp_libs " in
+	      *" $deplib "*) ;;
+	      *) tmp_libs="$tmp_libs $deplib" ;;
+	      esac
+	      ;;
+	    *) tmp_libs="$tmp_libs $deplib" ;;
+	    esac
+	  done
+	  eval $var=\"$tmp_libs\"
+	done # for var
+      fi
+      # Last step: remove runtime libs from dependency_libs
+      # (they stay in deplibs)
+      tmp_libs=
+      for i in $dependency_libs ; do
+	case " $predeps $postdeps $compiler_lib_search_path " in
+	*" $i "*)
+	  i=""
+	  ;;
+	esac
+	if test -n "$i" ; then
+	  tmp_libs="$tmp_libs $i"
+	fi
+      done
+      dependency_libs=$tmp_libs
+    done # for pass
+    if test "$linkmode" = prog; then
+      dlfiles="$newdlfiles"
+      dlprefiles="$newdlprefiles"
+    fi
+
+    case $linkmode in
+    oldlib)
+      case " $deplibs" in
+      *\ -l* | *\ -L*)
+	$echo "$modename: warning: \`-l' and \`-L' are ignored for archives" 1>&2 ;;
+      esac
+
+      if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then
+	$echo "$modename: warning: \`-dlopen' is ignored for archives" 1>&2
+      fi
+
+      if test -n "$rpath"; then
+	$echo "$modename: warning: \`-rpath' is ignored for archives" 1>&2
+      fi
+
+      if test -n "$xrpath"; then
+	$echo "$modename: warning: \`-R' is ignored for archives" 1>&2
+      fi
+
+      if test -n "$vinfo"; then
+	$echo "$modename: warning: \`-version-info/-version-number' is ignored for archives" 1>&2
+      fi
+
+      if test -n "$release"; then
+	$echo "$modename: warning: \`-release' is ignored for archives" 1>&2
+      fi
+
+      if test -n "$export_symbols" || test -n "$export_symbols_regex"; then
+	$echo "$modename: warning: \`-export-symbols' is ignored for archives" 1>&2
+      fi
+
+      # Now set the variables for building old libraries.
+      build_libtool_libs=no
+      oldlibs="$output"
+      objs="$objs$old_deplibs"
+      ;;
+
+    lib)
+      # Make sure we only generate libraries of the form `libNAME.la'.
+      case $outputname in
+      lib*)
+	name=`$echo "X$outputname" | $Xsed -e 's/\.la$//' -e 's/^lib//'`
+	eval shared_ext=\"$shrext_cmds\"
+	eval libname=\"$libname_spec\"
+	;;
+      *)
+	if test "$module" = no; then
+	  $echo "$modename: libtool library \`$output' must begin with \`lib'" 1>&2
+	  $echo "$help" 1>&2
+	  exit $EXIT_FAILURE
+	fi
+	if test "$need_lib_prefix" != no; then
+	  # Add the "lib" prefix for modules if required
+	  name=`$echo "X$outputname" | $Xsed -e 's/\.la$//'`
+	  eval shared_ext=\"$shrext_cmds\"
+	  eval libname=\"$libname_spec\"
+	else
+	  libname=`$echo "X$outputname" | $Xsed -e 's/\.la$//'`
+	fi
+	;;
+      esac
+
+      if test -n "$objs"; then
+	if test "$deplibs_check_method" != pass_all; then
+	  $echo "$modename: cannot build libtool library \`$output' from non-libtool objects on this host:$objs" 2>&1
+	  exit $EXIT_FAILURE
+	else
+	  $echo
+	  $echo "*** Warning: Linking the shared library $output against the non-libtool"
+	  $echo "*** objects $objs is not portable!"
+	  libobjs="$libobjs $objs"
+	fi
+      fi
+
+      if test "$dlself" != no; then
+	$echo "$modename: warning: \`-dlopen self' is ignored for libtool libraries" 1>&2
+      fi
+
+      set dummy $rpath
+      if test "$#" -gt 2; then
+	$echo "$modename: warning: ignoring multiple \`-rpath's for a libtool library" 1>&2
+      fi
+      install_libdir="$2"
+
+      oldlibs=
+      if test -z "$rpath"; then
+	if test "$build_libtool_libs" = yes; then
+	  # Building a libtool convenience library.
+	  # Some compilers have problems with a `.al' extension so
+	  # convenience libraries should have the same extension an
+	  # archive normally would.
+	  oldlibs="$output_objdir/$libname.$libext $oldlibs"
+	  build_libtool_libs=convenience
+	  build_old_libs=yes
+	fi
+
+	if test -n "$vinfo"; then
+	  $echo "$modename: warning: \`-version-info/-version-number' is ignored for convenience libraries" 1>&2
+	fi
+
+	if test -n "$release"; then
+	  $echo "$modename: warning: \`-release' is ignored for convenience libraries" 1>&2
+	fi
+      else
+
+	# Parse the version information argument.
+	save_ifs="$IFS"; IFS=':'
+	set dummy $vinfo 0 0 0
+	IFS="$save_ifs"
+
+	if test -n "$8"; then
+	  $echo "$modename: too many parameters to \`-version-info'" 1>&2
+	  $echo "$help" 1>&2
+	  exit $EXIT_FAILURE
+	fi
+
+	# convert absolute version numbers to libtool ages
+	# this retains compatibility with .la files and attempts
+	# to make the code below a bit more comprehensible
+
+	case $vinfo_number in
+	yes)
+	  number_major="$2"
+	  number_minor="$3"
+	  number_revision="$4"
+	  #
+	  # There are really only two kinds -- those that
+	  # use the current revision as the major version
+	  # and those that subtract age and use age as
+	  # a minor version.  But, then there is irix
+	  # which has an extra 1 added just for fun
+	  #
+	  case $version_type in
+	  darwin|linux|osf|windows|none)
+	    current=`expr $number_major + $number_minor`
+	    age="$number_minor"
+	    revision="$number_revision"
+	    ;;
+	  freebsd-aout|freebsd-elf|sunos)
+	    current="$number_major"
+	    revision="$number_minor"
+	    age="0"
+	    ;;
+	  irix|nonstopux)
+	    current=`expr $number_major + $number_minor`
+	    age="$number_minor"
+	    revision="$number_minor"
+	    lt_irix_increment=no
+	    ;;
+	  *)
+	    $echo "$modename: unknown library version type \`$version_type'" 1>&2
+	    $echo "Fatal configuration error.  See the $PACKAGE docs for more information." 1>&2
+	    exit $EXIT_FAILURE
+	    ;;
+	  esac
+	  ;;
+	no)
+	  current="$2"
+	  revision="$3"
+	  age="$4"
+	  ;;
+	esac
+
+	# Check that each of the things are valid numbers.
+	case $current in
+	0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
+	*)
+	  $echo "$modename: CURRENT \`$current' must be a nonnegative integer" 1>&2
+	  $echo "$modename: \`$vinfo' is not valid version information" 1>&2
+	  exit $EXIT_FAILURE
+	  ;;
+	esac
+
+	case $revision in
+	0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
+	*)
+	  $echo "$modename: REVISION \`$revision' must be a nonnegative integer" 1>&2
+	  $echo "$modename: \`$vinfo' is not valid version information" 1>&2
+	  exit $EXIT_FAILURE
+	  ;;
+	esac
+
+	case $age in
+	0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
+	*)
+	  $echo "$modename: AGE \`$age' must be a nonnegative integer" 1>&2
+	  $echo "$modename: \`$vinfo' is not valid version information" 1>&2
+	  exit $EXIT_FAILURE
+	  ;;
+	esac
+
+	if test "$age" -gt "$current"; then
+	  $echo "$modename: AGE \`$age' is greater than the current interface number \`$current'" 1>&2
+	  $echo "$modename: \`$vinfo' is not valid version information" 1>&2
+	  exit $EXIT_FAILURE
+	fi
+
+	# Calculate the version variables.
+	major=
+	versuffix=
+	verstring=
+	case $version_type in
+	none) ;;
+
+	darwin)
+	  # Like Linux, but with the current version available in
+	  # verstring for coding it into the library header
+	  major=.`expr $current - $age`
+	  versuffix="$major.$age.$revision"
+	  # Darwin ld doesn't like 0 for these options...
+	  minor_current=`expr $current + 1`
+	  xlcverstring="${wl}-compatibility_version ${wl}$minor_current ${wl}-current_version ${wl}$minor_current.$revision"
+	  verstring="-compatibility_version $minor_current -current_version $minor_current.$revision"
+	  ;;
+
+	freebsd-aout)
+	  major=".$current"
+	  versuffix=".$current.$revision";
+	  ;;
+
+	freebsd-elf)
+	  major=".$current"
+	  versuffix=".$current";
+	  ;;
+
+	irix | nonstopux)
+	  if test "X$lt_irix_increment" = "Xno"; then
+	    major=`expr $current - $age`
+	  else
+	    major=`expr $current - $age + 1`
+	  fi
+	  case $version_type in
+	    nonstopux) verstring_prefix=nonstopux ;;
+	    *)         verstring_prefix=sgi ;;
+	  esac
+	  verstring="$verstring_prefix$major.$revision"
+
+	  # Add in all the interfaces that we are compatible with.
+	  loop=$revision
+	  while test "$loop" -ne 0; do
+	    iface=`expr $revision - $loop`
+	    loop=`expr $loop - 1`
+	    verstring="$verstring_prefix$major.$iface:$verstring"
+	  done
+
+	  # Before this point, $major must not contain `.'.
+	  major=.$major
+	  versuffix="$major.$revision"
+	  ;;
+
+	linux)
+	  major=.`expr $current - $age`
+	  versuffix="$major.$age.$revision"
+	  ;;
+
+	osf)
+	  major=.`expr $current - $age`
+	  versuffix=".$current.$age.$revision"
+	  verstring="$current.$age.$revision"
+
+	  # Add in all the interfaces that we are compatible with.
+	  loop=$age
+	  while test "$loop" -ne 0; do
+	    iface=`expr $current - $loop`
+	    loop=`expr $loop - 1`
+	    verstring="$verstring:${iface}.0"
+	  done
+
+	  # Make executables depend on our current version.
+	  verstring="$verstring:${current}.0"
+	  ;;
+
+	sunos)
+	  major=".$current"
+	  versuffix=".$current.$revision"
+	  ;;
+
+	windows)
+	  # Use '-' rather than '.', since we only want one
+	  # extension on DOS 8.3 filesystems.
+	  major=`expr $current - $age`
+	  versuffix="-$major"
+	  ;;
+
+	*)
+	  $echo "$modename: unknown library version type \`$version_type'" 1>&2
+	  $echo "Fatal configuration error.  See the $PACKAGE docs for more information." 1>&2
+	  exit $EXIT_FAILURE
+	  ;;
+	esac
+
+	# Clear the version info if we defaulted, and they specified a release.
+	if test -z "$vinfo" && test -n "$release"; then
+	  major=
+	  case $version_type in
+	  darwin)
+	    # we can't check for "0.0" in archive_cmds due to quoting
+	    # problems, so we reset it completely
+	    verstring=
+	    ;;
+	  *)
+	    verstring="0.0"
+	    ;;
+	  esac
+	  if test "$need_version" = no; then
+	    versuffix=
+	  else
+	    versuffix=".0.0"
+	  fi
+	fi
+
+	# Remove version info from name if versioning should be avoided
+	if test "$avoid_version" = yes && test "$need_version" = no; then
+	  major=
+	  versuffix=
+	  verstring=""
+	fi
+
+	# Check to see if the archive will have undefined symbols.
+	if test "$allow_undefined" = yes; then
+	  if test "$allow_undefined_flag" = unsupported; then
+	    $echo "$modename: warning: undefined symbols not allowed in $host shared libraries" 1>&2
+	    build_libtool_libs=no
+	    build_old_libs=yes
+	  fi
+	else
+	  # Don't allow undefined symbols.
+	  allow_undefined_flag="$no_undefined_flag"
+	fi
+      fi
+
+      if test "$mode" != relink; then
+	# Remove our outputs, but don't remove object files since they
+	# may have been created when compiling PIC objects.
+	removelist=
+	tempremovelist=`$echo "$output_objdir/*"`
+	for p in $tempremovelist; do
+	  case $p in
+	    *.$objext)
+	       ;;
+	    $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/${libname}${release}.*)
+	       if test "X$precious_files_regex" != "X"; then
+	         if echo $p | $EGREP -e "$precious_files_regex" >/dev/null 2>&1
+	         then
+		   continue
+		 fi
+	       fi
+	       removelist="$removelist $p"
+	       ;;
+	    *) ;;
+	  esac
+	done
+	if test -n "$removelist"; then
+	  $show "${rm}r $removelist"
+	  $run ${rm}r $removelist
+	fi
+      fi
+
+      # Now set the variables for building old libraries.
+      if test "$build_old_libs" = yes && test "$build_libtool_libs" != convenience ; then
+	oldlibs="$oldlibs $output_objdir/$libname.$libext"
+
+	# Transform .lo files to .o files.
+	oldobjs="$objs "`$echo "X$libobjs" | $SP2NL | $Xsed -e '/\.'${libext}'$/d' -e "$lo2o" | $NL2SP`
+      fi
+
+      # Eliminate all temporary directories.
+      #for path in $notinst_path; do
+      #	lib_search_path=`$echo "$lib_search_path " | ${SED} -e "s% $path % %g"`
+      #	deplibs=`$echo "$deplibs " | ${SED} -e "s% -L$path % %g"`
+      #	dependency_libs=`$echo "$dependency_libs " | ${SED} -e "s% -L$path % %g"`
+      #done
+
+      if test -n "$xrpath"; then
+	# If the user specified any rpath flags, then add them.
+	temp_xrpath=
+	for libdir in $xrpath; do
+	  temp_xrpath="$temp_xrpath -R$libdir"
+	  case "$finalize_rpath " in
+	  *" $libdir "*) ;;
+	  *) finalize_rpath="$finalize_rpath $libdir" ;;
+	  esac
+	done
+	if test "$hardcode_into_libs" != yes || test "$build_old_libs" = yes; then
+	  dependency_libs="$temp_xrpath $dependency_libs"
+	fi
+      fi
+
+      # Make sure dlfiles contains only unique files that won't be dlpreopened
+      old_dlfiles="$dlfiles"
+      dlfiles=
+      for lib in $old_dlfiles; do
+	case " $dlprefiles $dlfiles " in
+	*" $lib "*) ;;
+	*) dlfiles="$dlfiles $lib" ;;
+	esac
+      done
+
+      # Make sure dlprefiles contains only unique files
+      old_dlprefiles="$dlprefiles"
+      dlprefiles=
+      for lib in $old_dlprefiles; do
+	case "$dlprefiles " in
+	*" $lib "*) ;;
+	*) dlprefiles="$dlprefiles $lib" ;;
+	esac
+      done
+
+      if test "$build_libtool_libs" = yes; then
+	if test -n "$rpath"; then
+	  case $host in
+	  *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos*)
+	    # these systems don't actually have a c library (as such)!
+	    ;;
+	  *-*-rhapsody* | *-*-darwin1.[012])
+	    # Rhapsody C library is in the System framework
+	    deplibs="$deplibs -framework System"
+	    ;;
+	  *-*-netbsd*)
+	    # Don't link with libc until the a.out ld.so is fixed.
+	    ;;
+	  *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*)
+	    # Do not include libc due to us having libc/libc_r.
+	    ;;
+	  *-*-sco3.2v5* | *-*-sco5v6*)
+	    # Causes problems with __ctype
+	    ;;
+	  *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*)
+	    # Compiler inserts libc in the correct place for threads to work
+	    ;;
+ 	  *)
+	    # Add libc to deplibs on all other systems if necessary.
+	    if test "$build_libtool_need_lc" = "yes"; then
+	      deplibs="$deplibs -lc"
+	    fi
+	    ;;
+	  esac
+	fi
+
+	# Transform deplibs into only deplibs that can be linked in shared.
+	name_save=$name
+	libname_save=$libname
+	release_save=$release
+	versuffix_save=$versuffix
+	major_save=$major
+	# I'm not sure if I'm treating the release correctly.  I think
+	# release should show up in the -l (ie -lgmp5) so we don't want to
+	# add it in twice.  Is that correct?
+	release=""
+	versuffix=""
+	major=""
+	newdeplibs=
+	droppeddeps=no
+	case $deplibs_check_method in
+	pass_all)
+	  # Don't check for shared/static.  Everything works.
+	  # This might be a little naive.  We might want to check
+	  # whether the library exists or not.  But this is on
+	  # osf3 & osf4 and I'm not really sure... Just
+	  # implementing what was already the behavior.
+	  newdeplibs=$deplibs
+	  ;;
+	test_compile)
+	  # This code stresses the "libraries are programs" paradigm to its
+	  # limits. Maybe even breaks it.  We compile a program, linking it
+	  # against the deplibs as a proxy for the library.  Then we can check
+	  # whether they linked in statically or dynamically with ldd.
+	  $rm conftest.c
+	  cat > conftest.c <<EOF
+	  int main() { return 0; }
+EOF
+	  $rm conftest
+	  if $LTCC $LTCFLAGS -o conftest conftest.c $deplibs; then
+	    ldd_output=`ldd conftest`
+	    for i in $deplibs; do
+	      name=`expr $i : '-l\(.*\)'`
+	      # If $name is empty we are operating on a -L argument.
+              if test "$name" != "" && test "$name" != "0"; then
+		if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+		  case " $predeps $postdeps " in
+		  *" $i "*)
+		    newdeplibs="$newdeplibs $i"
+		    i=""
+		    ;;
+		  esac
+	        fi
+		if test -n "$i" ; then
+		  libname=`eval \\$echo \"$libname_spec\"`
+		  deplib_matches=`eval \\$echo \"$library_names_spec\"`
+		  set dummy $deplib_matches
+		  deplib_match=$2
+		  if test `expr "$ldd_output" : ".*$deplib_match"` -ne 0 ; then
+		    newdeplibs="$newdeplibs $i"
+		  else
+		    droppeddeps=yes
+		    $echo
+		    $echo "*** Warning: dynamic linker does not accept needed library $i."
+		    $echo "*** I have the capability to make that library automatically link in when"
+		    $echo "*** you link to this library.  But I can only do this if you have a"
+		    $echo "*** shared version of the library, which I believe you do not have"
+		    $echo "*** because a test_compile did reveal that the linker did not use it for"
+		    $echo "*** its dynamic dependency list that programs get resolved with at runtime."
+		  fi
+		fi
+	      else
+		newdeplibs="$newdeplibs $i"
+	      fi
+	    done
+	  else
+	    # Error occurred in the first compile.  Let's try to salvage
+	    # the situation: Compile a separate program for each library.
+	    for i in $deplibs; do
+	      name=`expr $i : '-l\(.*\)'`
+	      # If $name is empty we are operating on a -L argument.
+              if test "$name" != "" && test "$name" != "0"; then
+		$rm conftest
+		if $LTCC $LTCFLAGS -o conftest conftest.c $i; then
+		  ldd_output=`ldd conftest`
+		  if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+		    case " $predeps $postdeps " in
+		    *" $i "*)
+		      newdeplibs="$newdeplibs $i"
+		      i=""
+		      ;;
+		    esac
+		  fi
+		  if test -n "$i" ; then
+		    libname=`eval \\$echo \"$libname_spec\"`
+		    deplib_matches=`eval \\$echo \"$library_names_spec\"`
+		    set dummy $deplib_matches
+		    deplib_match=$2
+		    if test `expr "$ldd_output" : ".*$deplib_match"` -ne 0 ; then
+		      newdeplibs="$newdeplibs $i"
+		    else
+		      droppeddeps=yes
+		      $echo
+		      $echo "*** Warning: dynamic linker does not accept needed library $i."
+		      $echo "*** I have the capability to make that library automatically link in when"
+		      $echo "*** you link to this library.  But I can only do this if you have a"
+		      $echo "*** shared version of the library, which you do not appear to have"
+		      $echo "*** because a test_compile did reveal that the linker did not use this one"
+		      $echo "*** as a dynamic dependency that programs can get resolved with at runtime."
+		    fi
+		  fi
+		else
+		  droppeddeps=yes
+		  $echo
+		  $echo "*** Warning!  Library $i is needed by this library but I was not able to"
+		  $echo "*** make it link in!  You will probably need to install it or some"
+		  $echo "*** library that it depends on before this library will be fully"
+		  $echo "*** functional.  Installing it before continuing would be even better."
+		fi
+	      else
+		newdeplibs="$newdeplibs $i"
+	      fi
+	    done
+	  fi
+	  ;;
+	file_magic*)
+	  set dummy $deplibs_check_method
+	  file_magic_regex=`expr "$deplibs_check_method" : "$2 \(.*\)"`
+	  for a_deplib in $deplibs; do
+	    name=`expr $a_deplib : '-l\(.*\)'`
+	    # If $name is empty we are operating on a -L argument.
+            if test "$name" != "" && test  "$name" != "0"; then
+	      if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+		case " $predeps $postdeps " in
+		*" $a_deplib "*)
+		  newdeplibs="$newdeplibs $a_deplib"
+		  a_deplib=""
+		  ;;
+		esac
+	      fi
+	      if test -n "$a_deplib" ; then
+		libname=`eval \\$echo \"$libname_spec\"`
+		for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do
+		  potential_libs=`ls $i/$libname[.-]* 2>/dev/null`
+		  for potent_lib in $potential_libs; do
+		      # Follow soft links.
+		      if ls -lLd "$potent_lib" 2>/dev/null \
+			 | grep " -> " >/dev/null; then
+			continue
+		      fi
+		      # The statement above tries to avoid entering an
+		      # endless loop below, in case of cyclic links.
+		      # We might still enter an endless loop, since a link
+		      # loop can be closed while we follow links,
+		      # but so what?
+		      potlib="$potent_lib"
+		      while test -h "$potlib" 2>/dev/null; do
+			potliblink=`ls -ld $potlib | ${SED} 's/.* -> //'`
+			case $potliblink in
+			[\\/]* | [A-Za-z]:[\\/]*) potlib="$potliblink";;
+			*) potlib=`$echo "X$potlib" | $Xsed -e 's,[^/]*$,,'`"$potliblink";;
+			esac
+		      done
+		      if eval $file_magic_cmd \"\$potlib\" 2>/dev/null \
+			 | ${SED} 10q \
+			 | $EGREP "$file_magic_regex" > /dev/null; then
+			newdeplibs="$newdeplibs $a_deplib"
+			a_deplib=""
+			break 2
+		      fi
+		  done
+		done
+	      fi
+	      if test -n "$a_deplib" ; then
+		droppeddeps=yes
+		$echo
+		$echo "*** Warning: linker path does not have real file for library $a_deplib."
+		$echo "*** I have the capability to make that library automatically link in when"
+		$echo "*** you link to this library.  But I can only do this if you have a"
+		$echo "*** shared version of the library, which you do not appear to have"
+		$echo "*** because I did check the linker path looking for a file starting"
+		if test -z "$potlib" ; then
+		  $echo "*** with $libname but no candidates were found. (...for file magic test)"
+		else
+		  $echo "*** with $libname and none of the candidates passed a file format test"
+		  $echo "*** using a file magic. Last file checked: $potlib"
+		fi
+	      fi
+	    else
+	      # Add a -L argument.
+	      newdeplibs="$newdeplibs $a_deplib"
+	    fi
+	  done # Gone through all deplibs.
+	  ;;
+	match_pattern*)
+	  set dummy $deplibs_check_method
+	  match_pattern_regex=`expr "$deplibs_check_method" : "$2 \(.*\)"`
+	  for a_deplib in $deplibs; do
+	    name=`expr $a_deplib : '-l\(.*\)'`
+	    # If $name is empty we are operating on a -L argument.
+	    if test -n "$name" && test "$name" != "0"; then
+	      if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+		case " $predeps $postdeps " in
+		*" $a_deplib "*)
+		  newdeplibs="$newdeplibs $a_deplib"
+		  a_deplib=""
+		  ;;
+		esac
+	      fi
+	      if test -n "$a_deplib" ; then
+		libname=`eval \\$echo \"$libname_spec\"`
+		for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do
+		  potential_libs=`ls $i/$libname[.-]* 2>/dev/null`
+		  for potent_lib in $potential_libs; do
+		    potlib="$potent_lib" # see symlink-check above in file_magic test
+		    if eval $echo \"$potent_lib\" 2>/dev/null \
+		        | ${SED} 10q \
+		        | $EGREP "$match_pattern_regex" > /dev/null; then
+		      newdeplibs="$newdeplibs $a_deplib"
+		      a_deplib=""
+		      break 2
+		    fi
+		  done
+		done
+	      fi
+	      if test -n "$a_deplib" ; then
+		droppeddeps=yes
+		$echo
+		$echo "*** Warning: linker path does not have real file for library $a_deplib."
+		$echo "*** I have the capability to make that library automatically link in when"
+		$echo "*** you link to this library.  But I can only do this if you have a"
+		$echo "*** shared version of the library, which you do not appear to have"
+		$echo "*** because I did check the linker path looking for a file starting"
+		if test -z "$potlib" ; then
+		  $echo "*** with $libname but no candidates were found. (...for regex pattern test)"
+		else
+		  $echo "*** with $libname and none of the candidates passed a file format test"
+		  $echo "*** using a regex pattern. Last file checked: $potlib"
+		fi
+	      fi
+	    else
+	      # Add a -L argument.
+	      newdeplibs="$newdeplibs $a_deplib"
+	    fi
+	  done # Gone through all deplibs.
+	  ;;
+	none | unknown | *)
+	  newdeplibs=""
+	  tmp_deplibs=`$echo "X $deplibs" | $Xsed -e 's/ -lc$//' \
+	    -e 's/ -[LR][^ ]*//g'`
+	  if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+	    for i in $predeps $postdeps ; do
+	      # can't use Xsed below, because $i might contain '/'
+	      tmp_deplibs=`$echo "X $tmp_deplibs" | ${SED} -e "1s,^X,," -e "s,$i,,"`
+	    done
+	  fi
+	  if $echo "X $tmp_deplibs" | $Xsed -e 's/[ 	]//g' \
+	    | grep . >/dev/null; then
+	    $echo
+	    if test "X$deplibs_check_method" = "Xnone"; then
+	      $echo "*** Warning: inter-library dependencies are not supported in this platform."
+	    else
+	      $echo "*** Warning: inter-library dependencies are not known to be supported."
+	    fi
+	    $echo "*** All declared inter-library dependencies are being dropped."
+	    droppeddeps=yes
+	  fi
+	  ;;
+	esac
+	versuffix=$versuffix_save
+	major=$major_save
+	release=$release_save
+	libname=$libname_save
+	name=$name_save
+
+	case $host in
+	*-*-rhapsody* | *-*-darwin1.[012])
+	  # On Rhapsody replace the C library is the System framework
+	  newdeplibs=`$echo "X $newdeplibs" | $Xsed -e 's/ -lc / -framework System /'`
+	  ;;
+	esac
+
+	if test "$droppeddeps" = yes; then
+	  if test "$module" = yes; then
+	    $echo
+	    $echo "*** Warning: libtool could not satisfy all declared inter-library"
+	    $echo "*** dependencies of module $libname.  Therefore, libtool will create"
+	    $echo "*** a static module, that should work as long as the dlopening"
+	    $echo "*** application is linked with the -dlopen flag."
+	    if test -z "$global_symbol_pipe"; then
+	      $echo
+	      $echo "*** However, this would only work if libtool was able to extract symbol"
+	      $echo "*** lists from a program, using \`nm' or equivalent, but libtool could"
+	      $echo "*** not find such a program.  So, this module is probably useless."
+	      $echo "*** \`nm' from GNU binutils and a full rebuild may help."
+	    fi
+	    if test "$build_old_libs" = no; then
+	      oldlibs="$output_objdir/$libname.$libext"
+	      build_libtool_libs=module
+	      build_old_libs=yes
+	    else
+	      build_libtool_libs=no
+	    fi
+	  else
+	    $echo "*** The inter-library dependencies that have been dropped here will be"
+	    $echo "*** automatically added whenever a program is linked with this library"
+	    $echo "*** or is declared to -dlopen it."
+
+	    if test "$allow_undefined" = no; then
+	      $echo
+	      $echo "*** Since this library must not contain undefined symbols,"
+	      $echo "*** because either the platform does not support them or"
+	      $echo "*** it was explicitly requested with -no-undefined,"
+	      $echo "*** libtool will only create a static version of it."
+	      if test "$build_old_libs" = no; then
+		oldlibs="$output_objdir/$libname.$libext"
+		build_libtool_libs=module
+		build_old_libs=yes
+	      else
+		build_libtool_libs=no
+	      fi
+	    fi
+	  fi
+	fi
+	# Done checking deplibs!
+	deplibs=$newdeplibs
+      fi
+
+
+      # move library search paths that coincide with paths to not yet
+      # installed libraries to the beginning of the library search list
+      new_libs=
+      for path in $notinst_path; do
+	case " $new_libs " in
+	*" -L$path/$objdir "*) ;;
+	*)
+	  case " $deplibs " in
+	  *" -L$path/$objdir "*)
+	    new_libs="$new_libs -L$path/$objdir" ;;
+	  esac
+	  ;;
+	esac
+      done
+      for deplib in $deplibs; do
+	case $deplib in
+	-L*)
+	  case " $new_libs " in
+	  *" $deplib "*) ;;
+	  *) new_libs="$new_libs $deplib" ;;
+	  esac
+	  ;;
+	*) new_libs="$new_libs $deplib" ;;
+	esac
+      done
+      deplibs="$new_libs"
+
+
+      # All the library-specific variables (install_libdir is set above).
+      library_names=
+      old_library=
+      dlname=
+
+      # Test again, we may have decided not to build it any more
+      if test "$build_libtool_libs" = yes; then
+	if test "$hardcode_into_libs" = yes; then
+	  # Hardcode the library paths
+	  hardcode_libdirs=
+	  dep_rpath=
+	  rpath="$finalize_rpath"
+	  test "$mode" != relink && rpath="$compile_rpath$rpath"
+	  for libdir in $rpath; do
+	    if test -n "$hardcode_libdir_flag_spec"; then
+	      if test -n "$hardcode_libdir_separator"; then
+		if test -z "$hardcode_libdirs"; then
+		  hardcode_libdirs="$libdir"
+		else
+		  # Just accumulate the unique libdirs.
+		  case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
+		  *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
+		    ;;
+		  *)
+		    hardcode_libdirs="$hardcode_libdirs$hardcode_libdir_separator$libdir"
+		    ;;
+		  esac
+		fi
+	      else
+		eval flag=\"$hardcode_libdir_flag_spec\"
+		dep_rpath="$dep_rpath $flag"
+	      fi
+	    elif test -n "$runpath_var"; then
+	      case "$perm_rpath " in
+	      *" $libdir "*) ;;
+	      *) perm_rpath="$perm_rpath $libdir" ;;
+	      esac
+	    fi
+	  done
+	  # Substitute the hardcoded libdirs into the rpath.
+	  if test -n "$hardcode_libdir_separator" &&
+	     test -n "$hardcode_libdirs"; then
+	    libdir="$hardcode_libdirs"
+	    if test -n "$hardcode_libdir_flag_spec_ld"; then
+	      case $archive_cmds in
+	      *\$LD*) eval dep_rpath=\"$hardcode_libdir_flag_spec_ld\" ;;
+	      *)      eval dep_rpath=\"$hardcode_libdir_flag_spec\" ;;
+	      esac
+	    else
+	      eval dep_rpath=\"$hardcode_libdir_flag_spec\"
+	    fi
+	  fi
+	  if test -n "$runpath_var" && test -n "$perm_rpath"; then
+	    # We should set the runpath_var.
+	    rpath=
+	    for dir in $perm_rpath; do
+	      rpath="$rpath$dir:"
+	    done
+	    eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var"
+	  fi
+	  test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs"
+	fi
+
+	shlibpath="$finalize_shlibpath"
+	test "$mode" != relink && shlibpath="$compile_shlibpath$shlibpath"
+	if test -n "$shlibpath"; then
+	  eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var"
+	fi
+
+	# Get the real and link names of the library.
+	eval shared_ext=\"$shrext_cmds\"
+	eval library_names=\"$library_names_spec\"
+	set dummy $library_names
+	realname="$2"
+	shift; shift
+
+	if test -n "$soname_spec"; then
+	  eval soname=\"$soname_spec\"
+	else
+	  soname="$realname"
+	fi
+	if test -z "$dlname"; then
+	  dlname=$soname
+	fi
+
+	lib="$output_objdir/$realname"
+	linknames=
+	for link
+	do
+	  linknames="$linknames $link"
+	done
+
+	# Use standard objects if they are pic
+	test -z "$pic_flag" && libobjs=`$echo "X$libobjs" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP`
+
+	# Prepare the list of exported symbols
+	if test -z "$export_symbols"; then
+	  if test "$always_export_symbols" = yes || test -n "$export_symbols_regex"; then
+	    $show "generating symbol list for \`$libname.la'"
+	    export_symbols="$output_objdir/$libname.exp"
+	    $run $rm $export_symbols
+	    cmds=$export_symbols_cmds
+	    save_ifs="$IFS"; IFS='~'
+	    for cmd in $cmds; do
+	      IFS="$save_ifs"
+	      eval cmd=\"$cmd\"
+	      if len=`expr "X$cmd" : ".*"` &&
+	       test "$len" -le "$max_cmd_len" || test "$max_cmd_len" -le -1; then
+	        $show "$cmd"
+	        $run eval "$cmd" || exit $?
+	        skipped_export=false
+	      else
+	        # The command line is too long to execute in one step.
+	        $show "using reloadable object file for export list..."
+	        skipped_export=:
+		# Break out early, otherwise skipped_export may be
+		# set to false by a later but shorter cmd.
+		break
+	      fi
+	    done
+	    IFS="$save_ifs"
+	    if test -n "$export_symbols_regex"; then
+	      $show "$EGREP -e \"$export_symbols_regex\" \"$export_symbols\" > \"${export_symbols}T\""
+	      $run eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"'
+	      $show "$mv \"${export_symbols}T\" \"$export_symbols\""
+	      $run eval '$mv "${export_symbols}T" "$export_symbols"'
+	    fi
+	  fi
+	fi
+
+	if test -n "$export_symbols" && test -n "$include_expsyms"; then
+	  $run eval '$echo "X$include_expsyms" | $SP2NL >> "$export_symbols"'
+	fi
+
+	tmp_deplibs=
+	for test_deplib in $deplibs; do
+		case " $convenience " in
+		*" $test_deplib "*) ;;
+		*)
+			tmp_deplibs="$tmp_deplibs $test_deplib"
+			;;
+		esac
+	done
+	deplibs="$tmp_deplibs"
+
+	if test -n "$convenience"; then
+	  if test -n "$whole_archive_flag_spec"; then
+	    save_libobjs=$libobjs
+	    eval libobjs=\"\$libobjs $whole_archive_flag_spec\"
+	  else
+	    gentop="$output_objdir/${outputname}x"
+	    generated="$generated $gentop"
+
+	    func_extract_archives $gentop $convenience
+	    libobjs="$libobjs $func_extract_archives_result"
+	  fi
+	fi
+	
+	if test "$thread_safe" = yes && test -n "$thread_safe_flag_spec"; then
+	  eval flag=\"$thread_safe_flag_spec\"
+	  linker_flags="$linker_flags $flag"
+	fi
+
+	# Make a backup of the uninstalled library when relinking
+	if test "$mode" = relink; then
+	  $run eval '(cd $output_objdir && $rm ${realname}U && $mv $realname ${realname}U)' || exit $?
+	fi
+
+	# Do each of the archive commands.
+	if test "$module" = yes && test -n "$module_cmds" ; then
+	  if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then
+	    eval test_cmds=\"$module_expsym_cmds\"
+	    cmds=$module_expsym_cmds
+	  else
+	    eval test_cmds=\"$module_cmds\"
+	    cmds=$module_cmds
+	  fi
+	else
+	if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then
+	  eval test_cmds=\"$archive_expsym_cmds\"
+	  cmds=$archive_expsym_cmds
+	else
+	  eval test_cmds=\"$archive_cmds\"
+	  cmds=$archive_cmds
+	  fi
+	fi
+
+	if test "X$skipped_export" != "X:" &&
+	   len=`expr "X$test_cmds" : ".*" 2>/dev/null` &&
+	   test "$len" -le "$max_cmd_len" || test "$max_cmd_len" -le -1; then
+	  :
+	else
+	  # The command line is too long to link in one step, link piecewise.
+	  $echo "creating reloadable object files..."
+
+	  # Save the value of $output and $libobjs because we want to
+	  # use them later.  If we have whole_archive_flag_spec, we
+	  # want to use save_libobjs as it was before
+	  # whole_archive_flag_spec was expanded, because we can't
+	  # assume the linker understands whole_archive_flag_spec.
+	  # This may have to be revisited, in case too many
+	  # convenience libraries get linked in and end up exceeding
+	  # the spec.
+	  if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then
+	    save_libobjs=$libobjs
+	  fi
+	  save_output=$output
+	  output_la=`$echo "X$output" | $Xsed -e "$basename"`
+
+	  # Clear the reloadable object creation command queue and
+	  # initialize k to one.
+	  test_cmds=
+	  concat_cmds=
+	  objlist=
+	  delfiles=
+	  last_robj=
+	  k=1
+	  output=$output_objdir/$output_la-${k}.$objext
+	  # Loop over the list of objects to be linked.
+	  for obj in $save_libobjs
+	  do
+	    eval test_cmds=\"$reload_cmds $objlist $last_robj\"
+	    if test "X$objlist" = X ||
+	       { len=`expr "X$test_cmds" : ".*" 2>/dev/null` &&
+		 test "$len" -le "$max_cmd_len"; }; then
+	      objlist="$objlist $obj"
+	    else
+	      # The command $test_cmds is almost too long, add a
+	      # command to the queue.
+	      if test "$k" -eq 1 ; then
+		# The first file doesn't have a previous command to add.
+		eval concat_cmds=\"$reload_cmds $objlist $last_robj\"
+	      else
+		# All subsequent reloadable object files will link in
+		# the last one created.
+		eval concat_cmds=\"\$concat_cmds~$reload_cmds $objlist $last_robj\"
+	      fi
+	      last_robj=$output_objdir/$output_la-${k}.$objext
+	      k=`expr $k + 1`
+	      output=$output_objdir/$output_la-${k}.$objext
+	      objlist=$obj
+	      len=1
+	    fi
+	  done
+	  # Handle the remaining objects by creating one last
+	  # reloadable object file.  All subsequent reloadable object
+	  # files will link in the last one created.
+	  test -z "$concat_cmds" || concat_cmds=$concat_cmds~
+	  eval concat_cmds=\"\${concat_cmds}$reload_cmds $objlist $last_robj\"
+
+	  if ${skipped_export-false}; then
+	    $show "generating symbol list for \`$libname.la'"
+	    export_symbols="$output_objdir/$libname.exp"
+	    $run $rm $export_symbols
+	    libobjs=$output
+	    # Append the command to create the export file.
+	    eval concat_cmds=\"\$concat_cmds~$export_symbols_cmds\"
+          fi
+
+	  # Set up a command to remove the reloadable object files
+	  # after they are used.
+	  i=0
+	  while test "$i" -lt "$k"
+	  do
+	    i=`expr $i + 1`
+	    delfiles="$delfiles $output_objdir/$output_la-${i}.$objext"
+	  done
+
+	  $echo "creating a temporary reloadable object file: $output"
+
+	  # Loop through the commands generated above and execute them.
+	  save_ifs="$IFS"; IFS='~'
+	  for cmd in $concat_cmds; do
+	    IFS="$save_ifs"
+	    $show "$cmd"
+	    $run eval "$cmd" || exit $?
+	  done
+	  IFS="$save_ifs"
+
+	  libobjs=$output
+	  # Restore the value of output.
+	  output=$save_output
+
+	  if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then
+	    eval libobjs=\"\$libobjs $whole_archive_flag_spec\"
+	  fi
+	  # Expand the library linking commands again to reset the
+	  # value of $libobjs for piecewise linking.
+
+	  # Do each of the archive commands.
+	  if test "$module" = yes && test -n "$module_cmds" ; then
+	    if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then
+	      cmds=$module_expsym_cmds
+	    else
+	      cmds=$module_cmds
+	    fi
+	  else
+	  if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then
+	    cmds=$archive_expsym_cmds
+	  else
+	    cmds=$archive_cmds
+	    fi
+	  fi
+
+	  # Append the command to remove the reloadable object files
+	  # to the just-reset $cmds.
+	  eval cmds=\"\$cmds~\$rm $delfiles\"
+	fi
+	save_ifs="$IFS"; IFS='~'
+	for cmd in $cmds; do
+	  IFS="$save_ifs"
+	  eval cmd=\"$cmd\"
+	  $show "$cmd"
+	  $run eval "$cmd" || {
+	    lt_exit=$?
+
+	    # Restore the uninstalled library and exit
+	    if test "$mode" = relink; then
+	      $run eval '(cd $output_objdir && $rm ${realname}T && $mv ${realname}U $realname)'
+	    fi
+
+	    exit $lt_exit
+	  }
+	done
+	IFS="$save_ifs"
+
+	# Restore the uninstalled library and exit
+	if test "$mode" = relink; then
+	  $run eval '(cd $output_objdir && $rm ${realname}T && $mv $realname ${realname}T && $mv "$realname"U $realname)' || exit $?
+
+	  if test -n "$convenience"; then
+	    if test -z "$whole_archive_flag_spec"; then
+	      $show "${rm}r $gentop"
+	      $run ${rm}r "$gentop"
+	    fi
+	  fi
+
+	  exit $EXIT_SUCCESS
+	fi
+
+	# Create links to the real library.
+	for linkname in $linknames; do
+	  if test "$realname" != "$linkname"; then
+	    $show "(cd $output_objdir && $rm $linkname && $LN_S $realname $linkname)"
+	    $run eval '(cd $output_objdir && $rm $linkname && $LN_S $realname $linkname)' || exit $?
+	  fi
+	done
+
+	# If -module or -export-dynamic was specified, set the dlname.
+	if test "$module" = yes || test "$export_dynamic" = yes; then
+	  # On all known operating systems, these are identical.
+	  dlname="$soname"
+	fi
+      fi
+      ;;
+
+    obj)
+      case " $deplibs" in
+      *\ -l* | *\ -L*)
+	$echo "$modename: warning: \`-l' and \`-L' are ignored for objects" 1>&2 ;;
+      esac
+
+      if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then
+	$echo "$modename: warning: \`-dlopen' is ignored for objects" 1>&2
+      fi
+
+      if test -n "$rpath"; then
+	$echo "$modename: warning: \`-rpath' is ignored for objects" 1>&2
+      fi
+
+      if test -n "$xrpath"; then
+	$echo "$modename: warning: \`-R' is ignored for objects" 1>&2
+      fi
+
+      if test -n "$vinfo"; then
+	$echo "$modename: warning: \`-version-info' is ignored for objects" 1>&2
+      fi
+
+      if test -n "$release"; then
+	$echo "$modename: warning: \`-release' is ignored for objects" 1>&2
+      fi
+
+      case $output in
+      *.lo)
+	if test -n "$objs$old_deplibs"; then
+	  $echo "$modename: cannot build library object \`$output' from non-libtool objects" 1>&2
+	  exit $EXIT_FAILURE
+	fi
+	libobj="$output"
+	obj=`$echo "X$output" | $Xsed -e "$lo2o"`
+	;;
+      *)
+	libobj=
+	obj="$output"
+	;;
+      esac
+
+      # Delete the old objects.
+      $run $rm $obj $libobj
+
+      # Objects from convenience libraries.  This assumes
+      # single-version convenience libraries.  Whenever we create
+      # different ones for PIC/non-PIC, this we'll have to duplicate
+      # the extraction.
+      reload_conv_objs=
+      gentop=
+      # reload_cmds runs $LD directly, so let us get rid of
+      # -Wl from whole_archive_flag_spec and hope we can get by with
+      # turning comma into space..
+      wl=
+
+      if test -n "$convenience"; then
+	if test -n "$whole_archive_flag_spec"; then
+	  eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\"
+	  reload_conv_objs=$reload_objs\ `$echo "X$tmp_whole_archive_flags" | $Xsed -e 's|,| |g'`
+	else
+	  gentop="$output_objdir/${obj}x"
+	  generated="$generated $gentop"
+
+	  func_extract_archives $gentop $convenience
+	  reload_conv_objs="$reload_objs $func_extract_archives_result"
+	fi
+      fi
+
+      # Create the old-style object.
+      reload_objs="$objs$old_deplibs "`$echo "X$libobjs" | $SP2NL | $Xsed -e '/\.'${libext}$'/d' -e '/\.lib$/d' -e "$lo2o" | $NL2SP`" $reload_conv_objs" ### testsuite: skip nested quoting test
+
+      output="$obj"
+      cmds=$reload_cmds
+      save_ifs="$IFS"; IFS='~'
+      for cmd in $cmds; do
+	IFS="$save_ifs"
+	eval cmd=\"$cmd\"
+	$show "$cmd"
+	$run eval "$cmd" || exit $?
+      done
+      IFS="$save_ifs"
+
+      # Exit if we aren't doing a library object file.
+      if test -z "$libobj"; then
+	if test -n "$gentop"; then
+	  $show "${rm}r $gentop"
+	  $run ${rm}r $gentop
+	fi
+
+	exit $EXIT_SUCCESS
+      fi
+
+      if test "$build_libtool_libs" != yes; then
+	if test -n "$gentop"; then
+	  $show "${rm}r $gentop"
+	  $run ${rm}r $gentop
+	fi
+
+	# Create an invalid libtool object if no PIC, so that we don't
+	# accidentally link it into a program.
+	# $show "echo timestamp > $libobj"
+	# $run eval "echo timestamp > $libobj" || exit $?
+	exit $EXIT_SUCCESS
+      fi
+
+      if test -n "$pic_flag" || test "$pic_mode" != default; then
+	# Only do commands if we really have different PIC objects.
+	reload_objs="$libobjs $reload_conv_objs"
+	output="$libobj"
+	cmds=$reload_cmds
+	save_ifs="$IFS"; IFS='~'
+	for cmd in $cmds; do
+	  IFS="$save_ifs"
+	  eval cmd=\"$cmd\"
+	  $show "$cmd"
+	  $run eval "$cmd" || exit $?
+	done
+	IFS="$save_ifs"
+      fi
+
+      if test -n "$gentop"; then
+	$show "${rm}r $gentop"
+	$run ${rm}r $gentop
+      fi
+
+      exit $EXIT_SUCCESS
+      ;;
+
+    prog)
+      case $host in
+	*cygwin*) output=`$echo $output | ${SED} -e 's,.exe$,,;s,$,.exe,'` ;;
+      esac
+      if test -n "$vinfo"; then
+	$echo "$modename: warning: \`-version-info' is ignored for programs" 1>&2
+      fi
+
+      if test -n "$release"; then
+	$echo "$modename: warning: \`-release' is ignored for programs" 1>&2
+      fi
+
+      if test "$preload" = yes; then
+	if test "$dlopen_support" = unknown && test "$dlopen_self" = unknown &&
+	   test "$dlopen_self_static" = unknown; then
+	  $echo "$modename: warning: \`AC_LIBTOOL_DLOPEN' not used. Assuming no dlopen support."
+	fi
+      fi
+
+      case $host in
+      *-*-rhapsody* | *-*-darwin1.[012])
+	# On Rhapsody replace the C library is the System framework
+	compile_deplibs=`$echo "X $compile_deplibs" | $Xsed -e 's/ -lc / -framework System /'`
+	finalize_deplibs=`$echo "X $finalize_deplibs" | $Xsed -e 's/ -lc / -framework System /'`
+	;;
+      esac
+
+      case $host in
+      *darwin*)
+        # Don't allow lazy linking, it breaks C++ global constructors
+        if test "$tagname" = CXX ; then
+        compile_command="$compile_command ${wl}-bind_at_load"
+        finalize_command="$finalize_command ${wl}-bind_at_load"
+        fi
+        ;;
+      esac
+
+
+      # move library search paths that coincide with paths to not yet
+      # installed libraries to the beginning of the library search list
+      new_libs=
+      for path in $notinst_path; do
+	case " $new_libs " in
+	*" -L$path/$objdir "*) ;;
+	*)
+	  case " $compile_deplibs " in
+	  *" -L$path/$objdir "*)
+	    new_libs="$new_libs -L$path/$objdir" ;;
+	  esac
+	  ;;
+	esac
+      done
+      for deplib in $compile_deplibs; do
+	case $deplib in
+	-L*)
+	  case " $new_libs " in
+	  *" $deplib "*) ;;
+	  *) new_libs="$new_libs $deplib" ;;
+	  esac
+	  ;;
+	*) new_libs="$new_libs $deplib" ;;
+	esac
+      done
+      compile_deplibs="$new_libs"
+
+
+      compile_command="$compile_command $compile_deplibs"
+      finalize_command="$finalize_command $finalize_deplibs"
+
+      if test -n "$rpath$xrpath"; then
+	# If the user specified any rpath flags, then add them.
+	for libdir in $rpath $xrpath; do
+	  # This is the magic to use -rpath.
+	  case "$finalize_rpath " in
+	  *" $libdir "*) ;;
+	  *) finalize_rpath="$finalize_rpath $libdir" ;;
+	  esac
+	done
+      fi
+
+      # Now hardcode the library paths
+      rpath=
+      hardcode_libdirs=
+      for libdir in $compile_rpath $finalize_rpath; do
+	if test -n "$hardcode_libdir_flag_spec"; then
+	  if test -n "$hardcode_libdir_separator"; then
+	    if test -z "$hardcode_libdirs"; then
+	      hardcode_libdirs="$libdir"
+	    else
+	      # Just accumulate the unique libdirs.
+	      case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
+	      *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
+		;;
+	      *)
+		hardcode_libdirs="$hardcode_libdirs$hardcode_libdir_separator$libdir"
+		;;
+	      esac
+	    fi
+	  else
+	    eval flag=\"$hardcode_libdir_flag_spec\"
+	    rpath="$rpath $flag"
+	  fi
+	elif test -n "$runpath_var"; then
+	  case "$perm_rpath " in
+	  *" $libdir "*) ;;
+	  *) perm_rpath="$perm_rpath $libdir" ;;
+	  esac
+	fi
+	case $host in
+	*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2*)
+	  testbindir=`$echo "X$libdir" | $Xsed -e 's*/lib$*/bin*'`
+	  case :$dllsearchpath: in
+	  *":$libdir:"*) ;;
+	  *) dllsearchpath="$dllsearchpath:$libdir";;
+	  esac
+	  case :$dllsearchpath: in
+	  *":$testbindir:"*) ;;
+	  *) dllsearchpath="$dllsearchpath:$testbindir";;
+	  esac
+	  ;;
+	esac
+      done
+      # Substitute the hardcoded libdirs into the rpath.
+      if test -n "$hardcode_libdir_separator" &&
+	 test -n "$hardcode_libdirs"; then
+	libdir="$hardcode_libdirs"
+	eval rpath=\" $hardcode_libdir_flag_spec\"
+      fi
+      compile_rpath="$rpath"
+
+      rpath=
+      hardcode_libdirs=
+      for libdir in $finalize_rpath; do
+	if test -n "$hardcode_libdir_flag_spec"; then
+	  if test -n "$hardcode_libdir_separator"; then
+	    if test -z "$hardcode_libdirs"; then
+	      hardcode_libdirs="$libdir"
+	    else
+	      # Just accumulate the unique libdirs.
+	      case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
+	      *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
+		;;
+	      *)
+		hardcode_libdirs="$hardcode_libdirs$hardcode_libdir_separator$libdir"
+		;;
+	      esac
+	    fi
+	  else
+	    eval flag=\"$hardcode_libdir_flag_spec\"
+	    rpath="$rpath $flag"
+	  fi
+	elif test -n "$runpath_var"; then
+	  case "$finalize_perm_rpath " in
+	  *" $libdir "*) ;;
+	  *) finalize_perm_rpath="$finalize_perm_rpath $libdir" ;;
+	  esac
+	fi
+      done
+      # Substitute the hardcoded libdirs into the rpath.
+      if test -n "$hardcode_libdir_separator" &&
+	 test -n "$hardcode_libdirs"; then
+	libdir="$hardcode_libdirs"
+	eval rpath=\" $hardcode_libdir_flag_spec\"
+      fi
+      finalize_rpath="$rpath"
+
+      if test -n "$libobjs" && test "$build_old_libs" = yes; then
+	# Transform all the library objects into standard objects.
+	compile_command=`$echo "X$compile_command" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP`
+	finalize_command=`$echo "X$finalize_command" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP`
+      fi
+
+      dlsyms=
+      if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then
+	if test -n "$NM" && test -n "$global_symbol_pipe"; then
+	  dlsyms="${outputname}S.c"
+	else
+	  $echo "$modename: not configured to extract global symbols from dlpreopened files" 1>&2
+	fi
+      fi
+
+      if test -n "$dlsyms"; then
+	case $dlsyms in
+	"") ;;
+	*.c)
+	  # Discover the nlist of each of the dlfiles.
+	  nlist="$output_objdir/${outputname}.nm"
+
+	  $show "$rm $nlist ${nlist}S ${nlist}T"
+	  $run $rm "$nlist" "${nlist}S" "${nlist}T"
+
+	  # Parse the name list into a source file.
+	  $show "creating $output_objdir/$dlsyms"
+
+	  test -z "$run" && $echo > "$output_objdir/$dlsyms" "\
+/* $dlsyms - symbol resolution table for \`$outputname' dlsym emulation. */
+/* Generated by $PROGRAM - GNU $PACKAGE $VERSION$TIMESTAMP */
+
+#ifdef __cplusplus
+extern \"C\" {
+#endif
+
+/* Prevent the only kind of declaration conflicts we can make. */
+#define lt_preloaded_symbols some_other_symbol
+
+/* External symbol declarations for the compiler. */\
+"
+
+	  if test "$dlself" = yes; then
+	    $show "generating symbol list for \`$output'"
+
+	    test -z "$run" && $echo ': @PROGRAM@ ' > "$nlist"
+
+	    # Add our own program objects to the symbol list.
+	    progfiles=`$echo "X$objs$old_deplibs" | $SP2NL | $Xsed -e "$lo2o" | $NL2SP`
+	    for arg in $progfiles; do
+	      $show "extracting global C symbols from \`$arg'"
+	      $run eval "$NM $arg | $global_symbol_pipe >> '$nlist'"
+	    done
+
+	    if test -n "$exclude_expsyms"; then
+	      $run eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T'
+	      $run eval '$mv "$nlist"T "$nlist"'
+	    fi
+
+	    if test -n "$export_symbols_regex"; then
+	      $run eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T'
+	      $run eval '$mv "$nlist"T "$nlist"'
+	    fi
+
+	    # Prepare the list of exported symbols
+	    if test -z "$export_symbols"; then
+	      export_symbols="$output_objdir/$outputname.exp"
+	      $run $rm $export_symbols
+	      $run eval "${SED} -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"'
+              case $host in
+              *cygwin* | *mingw* )
+	        $run eval "echo EXPORTS "'> "$output_objdir/$outputname.def"'
+		$run eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"'
+                ;;
+              esac
+	    else
+	      $run eval "${SED} -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"'
+	      $run eval 'grep -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T'
+	      $run eval 'mv "$nlist"T "$nlist"'
+              case $host in
+              *cygwin* | *mingw* )
+	        $run eval "echo EXPORTS "'> "$output_objdir/$outputname.def"'
+		$run eval 'cat "$nlist" >> "$output_objdir/$outputname.def"'
+                ;;
+              esac
+	    fi
+	  fi
+
+	  for arg in $dlprefiles; do
+	    $show "extracting global C symbols from \`$arg'"
+	    name=`$echo "$arg" | ${SED} -e 's%^.*/%%'`
+	    $run eval '$echo ": $name " >> "$nlist"'
+	    $run eval "$NM $arg | $global_symbol_pipe >> '$nlist'"
+	  done
+
+	  if test -z "$run"; then
+	    # Make sure we have at least an empty file.
+	    test -f "$nlist" || : > "$nlist"
+
+	    if test -n "$exclude_expsyms"; then
+	      $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T
+	      $mv "$nlist"T "$nlist"
+	    fi
+
+	    # Try sorting and uniquifying the output.
+	    if grep -v "^: " < "$nlist" |
+		if sort -k 3 </dev/null >/dev/null 2>&1; then
+		  sort -k 3
+		else
+		  sort +2
+		fi |
+		uniq > "$nlist"S; then
+	      :
+	    else
+	      grep -v "^: " < "$nlist" > "$nlist"S
+	    fi
+
+	    if test -f "$nlist"S; then
+	      eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$dlsyms"'
+	    else
+	      $echo '/* NONE */' >> "$output_objdir/$dlsyms"
+	    fi
+
+	    $echo >> "$output_objdir/$dlsyms" "\
+
+#undef lt_preloaded_symbols
+
+#if defined (__STDC__) && __STDC__
+# define lt_ptr void *
+#else
+# define lt_ptr char *
+# define const
+#endif
+
+/* The mapping between symbol names and symbols. */
+"
+
+	    case $host in
+	    *cygwin* | *mingw* )
+	  $echo >> "$output_objdir/$dlsyms" "\
+/* DATA imports from DLLs on WIN32 can't be const, because
+   runtime relocations are performed -- see ld's documentation
+   on pseudo-relocs */
+struct {
+"
+	      ;;
+	    * )
+	  $echo >> "$output_objdir/$dlsyms" "\
+const struct {
+"
+	      ;;
+	    esac
+
+
+	  $echo >> "$output_objdir/$dlsyms" "\
+  const char *name;
+  lt_ptr address;
+}
+lt_preloaded_symbols[] =
+{\
+"
+
+	    eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$dlsyms"
+
+	    $echo >> "$output_objdir/$dlsyms" "\
+  {0, (lt_ptr) 0}
+};
+
+/* This works around a problem in FreeBSD linker */
+#ifdef FREEBSD_WORKAROUND
+static const void *lt_preloaded_setup() {
+  return lt_preloaded_symbols;
+}
+#endif
+
+#ifdef __cplusplus
+}
+#endif\
+"
+	  fi
+
+	  pic_flag_for_symtable=
+	  case $host in
+	  # compiling the symbol table file with pic_flag works around
+	  # a FreeBSD bug that causes programs to crash when -lm is
+	  # linked before any other PIC object.  But we must not use
+	  # pic_flag when linking with -static.  The problem exists in
+	  # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1.
+	  *-*-freebsd2*|*-*-freebsd3.0*|*-*-freebsdelf3.0*)
+	    case "$compile_command " in
+	    *" -static "*) ;;
+	    *) pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND";;
+	    esac;;
+	  *-*-hpux*)
+	    case "$compile_command " in
+	    *" -static "*) ;;
+	    *) pic_flag_for_symtable=" $pic_flag";;
+	    esac
+	  esac
+
+	  # Now compile the dynamic symbol file.
+	  $show "(cd $output_objdir && $LTCC  $LTCFLAGS -c$no_builtin_flag$pic_flag_for_symtable \"$dlsyms\")"
+	  $run eval '(cd $output_objdir && $LTCC  $LTCFLAGS -c$no_builtin_flag$pic_flag_for_symtable "$dlsyms")' || exit $?
+
+	  # Clean up the generated files.
+	  $show "$rm $output_objdir/$dlsyms $nlist ${nlist}S ${nlist}T"
+	  $run $rm "$output_objdir/$dlsyms" "$nlist" "${nlist}S" "${nlist}T"
+
+	  # Transform the symbol file into the correct name.
+          case $host in
+          *cygwin* | *mingw* )
+            if test -f "$output_objdir/${outputname}.def" ; then
+              compile_command=`$echo "X$compile_command" | $SP2NL | $Xsed -e "s%@SYMFILE@%$output_objdir/${outputname}.def $output_objdir/${outputname}S.${objext}%" | $NL2SP`
+              finalize_command=`$echo "X$finalize_command" | $SP2NL | $Xsed -e "s%@SYMFILE@%$output_objdir/${outputname}.def $output_objdir/${outputname}S.${objext}%" | $NL2SP`
+            else
+              compile_command=`$echo "X$compile_command" | $SP2NL | $Xsed -e "s%@SYMFILE@%$output_objdir/${outputname}S.${objext}%" | $NL2SP`
+              finalize_command=`$echo "X$finalize_command" | $SP2NL | $Xsed -e "s%@SYMFILE@%$output_objdir/${outputname}S.${objext}%" | $NL2SP`
+             fi
+            ;;
+          * )
+            compile_command=`$echo "X$compile_command" | $SP2NL | $Xsed -e "s%@SYMFILE@%$output_objdir/${outputname}S.${objext}%" | $NL2SP`
+            finalize_command=`$echo "X$finalize_command" | $SP2NL | $Xsed -e "s%@SYMFILE@%$output_objdir/${outputname}S.${objext}%" | $NL2SP`
+            ;;
+          esac
+	  ;;
+	*)
+	  $echo "$modename: unknown suffix for \`$dlsyms'" 1>&2
+	  exit $EXIT_FAILURE
+	  ;;
+	esac
+      else
+	# We keep going just in case the user didn't refer to
+	# lt_preloaded_symbols.  The linker will fail if global_symbol_pipe
+	# really was required.
+
+	# Nullify the symbol file.
+	compile_command=`$echo "X$compile_command" | $SP2NL | $Xsed -e "s% @SYMFILE@%%" | $NL2SP`
+	finalize_command=`$echo "X$finalize_command" | $SP2NL | $Xsed -e "s% @SYMFILE@%%" | $NL2SP`
+      fi
+
+      if test "$need_relink" = no || test "$build_libtool_libs" != yes; then
+	# Replace the output file specification.
+	compile_command=`$echo "X$compile_command" | $SP2NL | $Xsed -e 's%@OUTPUT@%'"$output"'%g' | $NL2SP`
+	link_command="$compile_command$compile_rpath"
+
+	# We have no uninstalled library dependencies, so finalize right now.
+	$show "$link_command"
+	$run eval "$link_command"
+	exit_status=$?
+
+	# Delete the generated files.
+	if test -n "$dlsyms"; then
+	  $show "$rm $output_objdir/${outputname}S.${objext}"
+	  $run $rm "$output_objdir/${outputname}S.${objext}"
+	fi
+
+	exit $exit_status
+      fi
+
+      if test -n "$shlibpath_var"; then
+	# We should set the shlibpath_var
+	rpath=
+	for dir in $temp_rpath; do
+	  case $dir in
+	  [\\/]* | [A-Za-z]:[\\/]*)
+	    # Absolute path.
+	    rpath="$rpath$dir:"
+	    ;;
+	  *)
+	    # Relative path: add a thisdir entry.
+	    rpath="$rpath\$thisdir/$dir:"
+	    ;;
+	  esac
+	done
+	temp_rpath="$rpath"
+      fi
+
+      if test -n "$compile_shlibpath$finalize_shlibpath"; then
+	compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command"
+      fi
+      if test -n "$finalize_shlibpath"; then
+	finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command"
+      fi
+
+      compile_var=
+      finalize_var=
+      if test -n "$runpath_var"; then
+	if test -n "$perm_rpath"; then
+	  # We should set the runpath_var.
+	  rpath=
+	  for dir in $perm_rpath; do
+	    rpath="$rpath$dir:"
+	  done
+	  compile_var="$runpath_var=\"$rpath\$$runpath_var\" "
+	fi
+	if test -n "$finalize_perm_rpath"; then
+	  # We should set the runpath_var.
+	  rpath=
+	  for dir in $finalize_perm_rpath; do
+	    rpath="$rpath$dir:"
+	  done
+	  finalize_var="$runpath_var=\"$rpath\$$runpath_var\" "
+	fi
+      fi
+
+      if test "$no_install" = yes; then
+	# We don't need to create a wrapper script.
+	link_command="$compile_var$compile_command$compile_rpath"
+	# Replace the output file specification.
+	link_command=`$echo "X$link_command" | $Xsed -e 's%@OUTPUT@%'"$output"'%g'`
+	# Delete the old output file.
+	$run $rm $output
+	# Link the executable and exit
+	$show "$link_command"
+	$run eval "$link_command" || exit $?
+	exit $EXIT_SUCCESS
+      fi
+
+      if test "$hardcode_action" = relink; then
+	# Fast installation is not supported
+	link_command="$compile_var$compile_command$compile_rpath"
+	relink_command="$finalize_var$finalize_command$finalize_rpath"
+
+	$echo "$modename: warning: this platform does not like uninstalled shared libraries" 1>&2
+	$echo "$modename: \`$output' will be relinked during installation" 1>&2
+      else
+	if test "$fast_install" != no; then
+	  link_command="$finalize_var$compile_command$finalize_rpath"
+	  if test "$fast_install" = yes; then
+	    relink_command=`$echo "X$compile_var$compile_command$compile_rpath" | $SP2NL | $Xsed -e 's%@OUTPUT@%\$progdir/\$file%g' | $NL2SP`
+	  else
+	    # fast_install is set to needless
+	    relink_command=
+	  fi
+	else
+	  link_command="$compile_var$compile_command$compile_rpath"
+	  relink_command="$finalize_var$finalize_command$finalize_rpath"
+	fi
+      fi
+
+      # Replace the output file specification.
+      link_command=`$echo "X$link_command" | $Xsed -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'`
+
+      # Delete the old output files.
+      $run $rm $output $output_objdir/$outputname $output_objdir/lt-$outputname
+
+      $show "$link_command"
+      $run eval "$link_command" || exit $?
+
+      # Now create the wrapper script.
+      $show "creating $output"
+
+      # Quote the relink command for shipping.
+      if test -n "$relink_command"; then
+	# Preserve any variables that may affect compiler behavior
+	for var in $variables_saved_for_relink; do
+	  if eval test -z \"\${$var+set}\"; then
+	    relink_command="{ test -z \"\${$var+set}\" || unset $var || { $var=; export $var; }; }; $relink_command"
+	  elif eval var_value=\$$var; test -z "$var_value"; then
+	    relink_command="$var=; export $var; $relink_command"
+	  else
+	    var_value=`$echo "X$var_value" | $Xsed -e "$sed_quote_subst"`
+	    relink_command="$var=\"$var_value\"; export $var; $relink_command"
+	  fi
+	done
+	relink_command="(cd `pwd`; $relink_command)"
+	relink_command=`$echo "X$relink_command" | $SP2NL | $Xsed -e "$sed_quote_subst" | $NL2SP`
+      fi
+
+      # Quote $echo for shipping.
+      if test "X$echo" = "X$SHELL $progpath --fallback-echo"; then
+	case $progpath in
+	[\\/]* | [A-Za-z]:[\\/]*) qecho="$SHELL $progpath --fallback-echo";;
+	*) qecho="$SHELL `pwd`/$progpath --fallback-echo";;
+	esac
+	qecho=`$echo "X$qecho" | $Xsed -e "$sed_quote_subst"`
+      else
+	qecho=`$echo "X$echo" | $Xsed -e "$sed_quote_subst"`
+      fi
+
+      # Only actually do things if our run command is non-null.
+      if test -z "$run"; then
+	# win32 will think the script is a binary if it has
+	# a .exe suffix, so we strip it off here.
+	case $output in
+	  *.exe) output=`$echo $output|${SED} 's,.exe$,,'` ;;
+	esac
+	# test for cygwin because mv fails w/o .exe extensions
+	case $host in
+	  *cygwin*)
+	    exeext=.exe
+	    outputname=`$echo $outputname|${SED} 's,.exe$,,'` ;;
+	  *) exeext= ;;
+	esac
+	case $host in
+	  *cygwin* | *mingw* )
+            output_name=`basename $output`
+            output_path=`dirname $output`
+            cwrappersource="$output_path/$objdir/lt-$output_name.c"
+            cwrapper="$output_path/$output_name.exe"
+            $rm $cwrappersource $cwrapper
+            trap "$rm $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15
+
+	    cat > $cwrappersource <<EOF
+
+/* $cwrappersource - temporary wrapper executable for $objdir/$outputname
+   Generated by $PROGRAM - GNU $PACKAGE $VERSION$TIMESTAMP
+
+   The $output program cannot be directly executed until all the libtool
+   libraries that it depends on are installed.
+
+   This wrapper executable should never be moved out of the build directory.
+   If it is, it will not operate correctly.
+
+   Currently, it simply execs the wrapper *script* "/bin/sh $output",
+   but could eventually absorb all of the scripts functionality and
+   exec $objdir/$outputname directly.
+*/
+EOF
+	    cat >> $cwrappersource<<"EOF"
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <malloc.h>
+#include <stdarg.h>
+#include <assert.h>
+#include <string.h>
+#include <ctype.h>
+#include <sys/stat.h>
+
+#if defined(PATH_MAX)
+# define LT_PATHMAX PATH_MAX
+#elif defined(MAXPATHLEN)
+# define LT_PATHMAX MAXPATHLEN
+#else
+# define LT_PATHMAX 1024
+#endif
+
+#ifndef DIR_SEPARATOR
+# define DIR_SEPARATOR '/'
+# define PATH_SEPARATOR ':'
+#endif
+
+#if defined (_WIN32) || defined (__MSDOS__) || defined (__DJGPP__) || \
+  defined (__OS2__)
+# define HAVE_DOS_BASED_FILE_SYSTEM
+# ifndef DIR_SEPARATOR_2
+#  define DIR_SEPARATOR_2 '\\'
+# endif
+# ifndef PATH_SEPARATOR_2
+#  define PATH_SEPARATOR_2 ';'
+# endif
+#endif
+
+#ifndef DIR_SEPARATOR_2
+# define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR)
+#else /* DIR_SEPARATOR_2 */
+# define IS_DIR_SEPARATOR(ch) \
+        (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2))
+#endif /* DIR_SEPARATOR_2 */
+
+#ifndef PATH_SEPARATOR_2
+# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR)
+#else /* PATH_SEPARATOR_2 */
+# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2)
+#endif /* PATH_SEPARATOR_2 */
+
+#define XMALLOC(type, num)      ((type *) xmalloc ((num) * sizeof(type)))
+#define XFREE(stale) do { \
+  if (stale) { free ((void *) stale); stale = 0; } \
+} while (0)
+
+/* -DDEBUG is fairly common in CFLAGS.  */
+#undef DEBUG
+#if defined DEBUGWRAPPER
+# define DEBUG(format, ...) fprintf(stderr, format, __VA_ARGS__)
+#else
+# define DEBUG(format, ...)
+#endif
+
+const char *program_name = NULL;
+
+void * xmalloc (size_t num);
+char * xstrdup (const char *string);
+const char * base_name (const char *name);
+char * find_executable(const char *wrapper);
+int    check_executable(const char *path);
+char * strendzap(char *str, const char *pat);
+void lt_fatal (const char *message, ...);
+
+int
+main (int argc, char *argv[])
+{
+  char **newargz;
+  int i;
+
+  program_name = (char *) xstrdup (base_name (argv[0]));
+  DEBUG("(main) argv[0]      : %s\n",argv[0]);
+  DEBUG("(main) program_name : %s\n",program_name);
+  newargz = XMALLOC(char *, argc+2);
+EOF
+
+            cat >> $cwrappersource <<EOF
+  newargz[0] = (char *) xstrdup("$SHELL");
+EOF
+
+            cat >> $cwrappersource <<"EOF"
+  newargz[1] = find_executable(argv[0]);
+  if (newargz[1] == NULL)
+    lt_fatal("Couldn't find %s", argv[0]);
+  DEBUG("(main) found exe at : %s\n",newargz[1]);
+  /* we know the script has the same name, without the .exe */
+  /* so make sure newargz[1] doesn't end in .exe */
+  strendzap(newargz[1],".exe");
+  for (i = 1; i < argc; i++)
+    newargz[i+1] = xstrdup(argv[i]);
+  newargz[argc+1] = NULL;
+
+  for (i=0; i<argc+1; i++)
+  {
+    DEBUG("(main) newargz[%d]   : %s\n",i,newargz[i]);
+    ;
+  }
+
+EOF
+
+            case $host_os in
+              mingw*)
+                cat >> $cwrappersource <<EOF
+  execv("$SHELL",(char const **)newargz);
+EOF
+              ;;
+              *)
+                cat >> $cwrappersource <<EOF
+  execv("$SHELL",newargz);
+EOF
+              ;;
+            esac
+
+            cat >> $cwrappersource <<"EOF"
+  return 127;
+}
+
+void *
+xmalloc (size_t num)
+{
+  void * p = (void *) malloc (num);
+  if (!p)
+    lt_fatal ("Memory exhausted");
+
+  return p;
+}
+
+char *
+xstrdup (const char *string)
+{
+  return string ? strcpy ((char *) xmalloc (strlen (string) + 1), string) : NULL
+;
+}
+
+const char *
+base_name (const char *name)
+{
+  const char *base;
+
+#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
+  /* Skip over the disk name in MSDOS pathnames. */
+  if (isalpha ((unsigned char)name[0]) && name[1] == ':')
+    name += 2;
+#endif
+
+  for (base = name; *name; name++)
+    if (IS_DIR_SEPARATOR (*name))
+      base = name + 1;
+  return base;
+}
+
+int
+check_executable(const char * path)
+{
+  struct stat st;
+
+  DEBUG("(check_executable)  : %s\n", path ? (*path ? path : "EMPTY!") : "NULL!");
+  if ((!path) || (!*path))
+    return 0;
+
+  if ((stat (path, &st) >= 0) &&
+      (
+        /* MinGW & native WIN32 do not support S_IXOTH or S_IXGRP */
+#if defined (S_IXOTH)
+       ((st.st_mode & S_IXOTH) == S_IXOTH) ||
+#endif
+#if defined (S_IXGRP)
+       ((st.st_mode & S_IXGRP) == S_IXGRP) ||
+#endif
+       ((st.st_mode & S_IXUSR) == S_IXUSR))
+      )
+    return 1;
+  else
+    return 0;
+}
+
+/* Searches for the full path of the wrapper.  Returns
+   newly allocated full path name if found, NULL otherwise */
+char *
+find_executable (const char* wrapper)
+{
+  int has_slash = 0;
+  const char* p;
+  const char* p_next;
+  /* static buffer for getcwd */
+  char tmp[LT_PATHMAX + 1];
+  int tmp_len;
+  char* concat_name;
+
+  DEBUG("(find_executable)  : %s\n", wrapper ? (*wrapper ? wrapper : "EMPTY!") : "NULL!");
+
+  if ((wrapper == NULL) || (*wrapper == '\0'))
+    return NULL;
+
+  /* Absolute path? */
+#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
+  if (isalpha ((unsigned char)wrapper[0]) && wrapper[1] == ':')
+  {
+    concat_name = xstrdup (wrapper);
+    if (check_executable(concat_name))
+      return concat_name;
+    XFREE(concat_name);
+  }
+  else
+  {
+#endif
+    if (IS_DIR_SEPARATOR (wrapper[0]))
+    {
+      concat_name = xstrdup (wrapper);
+      if (check_executable(concat_name))
+        return concat_name;
+      XFREE(concat_name);
+    }
+#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
+  }
+#endif
+
+  for (p = wrapper; *p; p++)
+    if (*p == '/')
+    {
+      has_slash = 1;
+      break;
+    }
+  if (!has_slash)
+  {
+    /* no slashes; search PATH */
+    const char* path = getenv ("PATH");
+    if (path != NULL)
+    {
+      for (p = path; *p; p = p_next)
+      {
+        const char* q;
+        size_t p_len;
+        for (q = p; *q; q++)
+          if (IS_PATH_SEPARATOR(*q))
+            break;
+        p_len = q - p;
+        p_next = (*q == '\0' ? q : q + 1);
+        if (p_len == 0)
+        {
+          /* empty path: current directory */
+          if (getcwd (tmp, LT_PATHMAX) == NULL)
+            lt_fatal ("getcwd failed");
+          tmp_len = strlen(tmp);
+          concat_name = XMALLOC(char, tmp_len + 1 + strlen(wrapper) + 1);
+          memcpy (concat_name, tmp, tmp_len);
+          concat_name[tmp_len] = '/';
+          strcpy (concat_name + tmp_len + 1, wrapper);
+        }
+        else
+        {
+          concat_name = XMALLOC(char, p_len + 1 + strlen(wrapper) + 1);
+          memcpy (concat_name, p, p_len);
+          concat_name[p_len] = '/';
+          strcpy (concat_name + p_len + 1, wrapper);
+        }
+        if (check_executable(concat_name))
+          return concat_name;
+        XFREE(concat_name);
+      }
+    }
+    /* not found in PATH; assume curdir */
+  }
+  /* Relative path | not found in path: prepend cwd */
+  if (getcwd (tmp, LT_PATHMAX) == NULL)
+    lt_fatal ("getcwd failed");
+  tmp_len = strlen(tmp);
+  concat_name = XMALLOC(char, tmp_len + 1 + strlen(wrapper) + 1);
+  memcpy (concat_name, tmp, tmp_len);
+  concat_name[tmp_len] = '/';
+  strcpy (concat_name + tmp_len + 1, wrapper);
+
+  if (check_executable(concat_name))
+    return concat_name;
+  XFREE(concat_name);
+  return NULL;
+}
+
+char *
+strendzap(char *str, const char *pat)
+{
+  size_t len, patlen;
+
+  assert(str != NULL);
+  assert(pat != NULL);
+
+  len = strlen(str);
+  patlen = strlen(pat);
+
+  if (patlen <= len)
+  {
+    str += len - patlen;
+    if (strcmp(str, pat) == 0)
+      *str = '\0';
+  }
+  return str;
+}
+
+static void
+lt_error_core (int exit_status, const char * mode,
+          const char * message, va_list ap)
+{
+  fprintf (stderr, "%s: %s: ", program_name, mode);
+  vfprintf (stderr, message, ap);
+  fprintf (stderr, ".\n");
+
+  if (exit_status >= 0)
+    exit (exit_status);
+}
+
+void
+lt_fatal (const char *message, ...)
+{
+  va_list ap;
+  va_start (ap, message);
+  lt_error_core (EXIT_FAILURE, "FATAL", message, ap);
+  va_end (ap);
+}
+EOF
+          # we should really use a build-platform specific compiler
+          # here, but OTOH, the wrappers (shell script and this C one)
+          # are only useful if you want to execute the "real" binary.
+          # Since the "real" binary is built for $host, then this
+          # wrapper might as well be built for $host, too.
+          $run $LTCC $LTCFLAGS -s -o $cwrapper $cwrappersource
+          ;;
+        esac
+        $rm $output
+        trap "$rm $output; exit $EXIT_FAILURE" 1 2 15
+
+	$echo > $output "\
+#! $SHELL
+
+# $output - temporary wrapper script for $objdir/$outputname
+# Generated by $PROGRAM - GNU $PACKAGE $VERSION$TIMESTAMP
+#
+# The $output program cannot be directly executed until all the libtool
+# libraries that it depends on are installed.
+#
+# This wrapper script should never be moved out of the build directory.
+# If it is, it will not operate correctly.
+
+# Sed substitution that helps us do robust quoting.  It backslashifies
+# metacharacters that are still active within double-quoted strings.
+Xsed='${SED} -e 1s/^X//'
+sed_quote_subst='$sed_quote_subst'
+
+# Be Bourne compatible (taken from Autoconf:_AS_BOURNE_COMPATIBLE).
+if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then
+  emulate sh
+  NULLCMD=:
+  # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '\${1+\"\$@\"}'='\"\$@\"'
+  setopt NO_GLOB_SUBST
+else
+  case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac
+fi
+BIN_SH=xpg4; export BIN_SH # for Tru64
+DUALCASE=1; export DUALCASE # for MKS sh
+
+# The HP-UX ksh and POSIX shell print the target directory to stdout
+# if CDPATH is set.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+relink_command=\"$relink_command\"
+
+# This environment variable determines our operation mode.
+if test \"\$libtool_install_magic\" = \"$magic\"; then
+  # install mode needs the following variable:
+  notinst_deplibs='$notinst_deplibs'
+else
+  # When we are sourced in execute mode, \$file and \$echo are already set.
+  if test \"\$libtool_execute_magic\" != \"$magic\"; then
+    echo=\"$qecho\"
+    file=\"\$0\"
+    # Make sure echo works.
+    if test \"X\$1\" = X--no-reexec; then
+      # Discard the --no-reexec flag, and continue.
+      shift
+    elif test \"X\`(\$echo '\t') 2>/dev/null\`\" = 'X\t'; then
+      # Yippee, \$echo works!
+      :
+    else
+      # Restart under the correct shell, and then maybe \$echo will work.
+      exec $SHELL \"\$0\" --no-reexec \${1+\"\$@\"}
+    fi
+  fi\
+"
+	$echo >> $output "\
+
+  # Find the directory that this script lives in.
+  thisdir=\`\$echo \"X\$file\" | \$Xsed -e 's%/[^/]*$%%'\`
+  test \"x\$thisdir\" = \"x\$file\" && thisdir=.
+
+  # Follow symbolic links until we get to the real thisdir.
+  file=\`ls -ld \"\$file\" | ${SED} -n 's/.*-> //p'\`
+  while test -n \"\$file\"; do
+    destdir=\`\$echo \"X\$file\" | \$Xsed -e 's%/[^/]*\$%%'\`
+
+    # If there was a directory component, then change thisdir.
+    if test \"x\$destdir\" != \"x\$file\"; then
+      case \"\$destdir\" in
+      [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;;
+      *) thisdir=\"\$thisdir/\$destdir\" ;;
+      esac
+    fi
+
+    file=\`\$echo \"X\$file\" | \$Xsed -e 's%^.*/%%'\`
+    file=\`ls -ld \"\$thisdir/\$file\" | ${SED} -n 's/.*-> //p'\`
+  done
+
+  # Try to get the absolute directory name.
+  absdir=\`cd \"\$thisdir\" && pwd\`
+  test -n \"\$absdir\" && thisdir=\"\$absdir\"
+"
+
+	if test "$fast_install" = yes; then
+	  $echo >> $output "\
+  program=lt-'$outputname'$exeext
+  progdir=\"\$thisdir/$objdir\"
+
+  if test ! -f \"\$progdir/\$program\" || \\
+     { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | ${SED} 1q\`; \\
+       test \"X\$file\" != \"X\$progdir/\$program\"; }; then
+
+    file=\"\$\$-\$program\"
+
+    if test ! -d \"\$progdir\"; then
+      $mkdir \"\$progdir\"
+    else
+      $rm \"\$progdir/\$file\"
+    fi"
+
+	  $echo >> $output "\
+
+    # relink executable if necessary
+    if test -n \"\$relink_command\"; then
+      if relink_command_output=\`eval \$relink_command 2>&1\`; then :
+      else
+	$echo \"\$relink_command_output\" >&2
+	$rm \"\$progdir/\$file\"
+	exit $EXIT_FAILURE
+      fi
+    fi
+
+    $mv \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null ||
+    { $rm \"\$progdir/\$program\";
+      $mv \"\$progdir/\$file\" \"\$progdir/\$program\"; }
+    $rm \"\$progdir/\$file\"
+  fi"
+	else
+	  $echo >> $output "\
+  program='$outputname'
+  progdir=\"\$thisdir/$objdir\"
+"
+	fi
+
+	$echo >> $output "\
+
+  if test -f \"\$progdir/\$program\"; then"
+
+	# Export our shlibpath_var if we have one.
+	if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then
+	  $echo >> $output "\
+    # Add our own library path to $shlibpath_var
+    $shlibpath_var=\"$temp_rpath\$$shlibpath_var\"
+
+    # Some systems cannot cope with colon-terminated $shlibpath_var
+    # The second colon is a workaround for a bug in BeOS R4 sed
+    $shlibpath_var=\`\$echo \"X\$$shlibpath_var\" | \$Xsed -e 's/::*\$//'\`
+
+    export $shlibpath_var
+"
+	fi
+
+	# fixup the dll searchpath if we need to.
+	if test -n "$dllsearchpath"; then
+	  $echo >> $output "\
+    # Add the dll search path components to the executable PATH
+    PATH=$dllsearchpath:\$PATH
+"
+	fi
+
+	$echo >> $output "\
+    if test \"\$libtool_execute_magic\" != \"$magic\"; then
+      # Run the actual program with our arguments.
+"
+	case $host in
+	# Backslashes separate directories on plain windows
+	*-*-mingw | *-*-os2*)
+	  $echo >> $output "\
+      exec \"\$progdir\\\\\$program\" \${1+\"\$@\"}
+"
+	  ;;
+
+	*)
+	  $echo >> $output "\
+      exec \"\$progdir/\$program\" \${1+\"\$@\"}
+"
+	  ;;
+	esac
+	$echo >> $output "\
+      \$echo \"\$0: cannot exec \$program \$*\"
+      exit $EXIT_FAILURE
+    fi
+  else
+    # The program doesn't exist.
+    \$echo \"\$0: error: \\\`\$progdir/\$program' does not exist\" 1>&2
+    \$echo \"This script is just a wrapper for \$program.\" 1>&2
+    $echo \"See the $PACKAGE documentation for more information.\" 1>&2
+    exit $EXIT_FAILURE
+  fi
+fi\
+"
+	chmod +x $output
+      fi
+      exit $EXIT_SUCCESS
+      ;;
+    esac
+
+    # See if we need to build an old-fashioned archive.
+    for oldlib in $oldlibs; do
+
+      if test "$build_libtool_libs" = convenience; then
+	oldobjs="$libobjs_save"
+	addlibs="$convenience"
+	build_libtool_libs=no
+      else
+	if test "$build_libtool_libs" = module; then
+	  oldobjs="$libobjs_save"
+	  build_libtool_libs=no
+	else
+	  oldobjs="$old_deplibs $non_pic_objects"
+	fi
+	addlibs="$old_convenience"
+      fi
+
+      if test -n "$addlibs"; then
+	gentop="$output_objdir/${outputname}x"
+	generated="$generated $gentop"
+
+	func_extract_archives $gentop $addlibs
+	oldobjs="$oldobjs $func_extract_archives_result"
+      fi
+
+      # Do each command in the archive commands.
+      if test -n "$old_archive_from_new_cmds" && test "$build_libtool_libs" = yes; then
+       cmds=$old_archive_from_new_cmds
+      else
+	# POSIX demands no paths to be encoded in archives.  We have
+	# to avoid creating archives with duplicate basenames if we
+	# might have to extract them afterwards, e.g., when creating a
+	# static archive out of a convenience library, or when linking
+	# the entirety of a libtool archive into another (currently
+	# not supported by libtool).
+	if (for obj in $oldobjs
+	    do
+	      $echo "X$obj" | $Xsed -e 's%^.*/%%'
+	    done | sort | sort -uc >/dev/null 2>&1); then
+	  :
+	else
+	  $echo "copying selected object files to avoid basename conflicts..."
+
+	  if test -z "$gentop"; then
+	    gentop="$output_objdir/${outputname}x"
+	    generated="$generated $gentop"
+
+	    $show "${rm}r $gentop"
+	    $run ${rm}r "$gentop"
+	    $show "$mkdir $gentop"
+	    $run $mkdir "$gentop"
+	    exit_status=$?
+	    if test "$exit_status" -ne 0 && test ! -d "$gentop"; then
+	      exit $exit_status
+	    fi
+	  fi
+
+	  save_oldobjs=$oldobjs
+	  oldobjs=
+	  counter=1
+	  for obj in $save_oldobjs
+	  do
+	    objbase=`$echo "X$obj" | $Xsed -e 's%^.*/%%'`
+	    case " $oldobjs " in
+	    " ") oldobjs=$obj ;;
+	    *[\ /]"$objbase "*)
+	      while :; do
+		# Make sure we don't pick an alternate name that also
+		# overlaps.
+		newobj=lt$counter-$objbase
+		counter=`expr $counter + 1`
+		case " $oldobjs " in
+		*[\ /]"$newobj "*) ;;
+		*) if test ! -f "$gentop/$newobj"; then break; fi ;;
+		esac
+	      done
+	      $show "ln $obj $gentop/$newobj || cp $obj $gentop/$newobj"
+	      $run ln "$obj" "$gentop/$newobj" ||
+	      $run cp "$obj" "$gentop/$newobj"
+	      oldobjs="$oldobjs $gentop/$newobj"
+	      ;;
+	    *) oldobjs="$oldobjs $obj" ;;
+	    esac
+	  done
+	fi
+
+	eval cmds=\"$old_archive_cmds\"
+
+	if len=`expr "X$cmds" : ".*"` &&
+	     test "$len" -le "$max_cmd_len" || test "$max_cmd_len" -le -1; then
+	  cmds=$old_archive_cmds
+	else
+	  # the command line is too long to link in one step, link in parts
+	  $echo "using piecewise archive linking..."
+	  save_RANLIB=$RANLIB
+	  RANLIB=:
+	  objlist=
+	  concat_cmds=
+	  save_oldobjs=$oldobjs
+
+	  # Is there a better way of finding the last object in the list?
+	  for obj in $save_oldobjs
+	  do
+	    last_oldobj=$obj
+	  done
+	  for obj in $save_oldobjs
+	  do
+	    oldobjs="$objlist $obj"
+	    objlist="$objlist $obj"
+	    eval test_cmds=\"$old_archive_cmds\"
+	    if len=`expr "X$test_cmds" : ".*" 2>/dev/null` &&
+	       test "$len" -le "$max_cmd_len"; then
+	      :
+	    else
+	      # the above command should be used before it gets too long
+	      oldobjs=$objlist
+	      if test "$obj" = "$last_oldobj" ; then
+	        RANLIB=$save_RANLIB
+	      fi
+	      test -z "$concat_cmds" || concat_cmds=$concat_cmds~
+	      eval concat_cmds=\"\${concat_cmds}$old_archive_cmds\"
+	      objlist=
+	    fi
+	  done
+	  RANLIB=$save_RANLIB
+	  oldobjs=$objlist
+	  if test "X$oldobjs" = "X" ; then
+	    eval cmds=\"\$concat_cmds\"
+	  else
+	    eval cmds=\"\$concat_cmds~\$old_archive_cmds\"
+	  fi
+	fi
+      fi
+      save_ifs="$IFS"; IFS='~'
+      for cmd in $cmds; do
+        eval cmd=\"$cmd\"
+	IFS="$save_ifs"
+	$show "$cmd"
+	$run eval "$cmd" || exit $?
+      done
+      IFS="$save_ifs"
+    done
+
+    if test -n "$generated"; then
+      $show "${rm}r$generated"
+      $run ${rm}r$generated
+    fi
+
+    # Now create the libtool archive.
+    case $output in
+    *.la)
+      old_library=
+      test "$build_old_libs" = yes && old_library="$libname.$libext"
+      $show "creating $output"
+
+      # Preserve any variables that may affect compiler behavior
+      for var in $variables_saved_for_relink; do
+	if eval test -z \"\${$var+set}\"; then
+	  relink_command="{ test -z \"\${$var+set}\" || unset $var || { $var=; export $var; }; }; $relink_command"
+	elif eval var_value=\$$var; test -z "$var_value"; then
+	  relink_command="$var=; export $var; $relink_command"
+	else
+	  var_value=`$echo "X$var_value" | $Xsed -e "$sed_quote_subst"`
+	  relink_command="$var=\"$var_value\"; export $var; $relink_command"
+	fi
+      done
+      # Quote the link command for shipping.
+      relink_command="(cd `pwd`; $SHELL $progpath $preserve_args --mode=relink $libtool_args @inst_prefix_dir@)"
+      relink_command=`$echo "X$relink_command" | $SP2NL | $Xsed -e "$sed_quote_subst" | $NL2SP`
+      if test "$hardcode_automatic" = yes ; then
+	relink_command=
+      fi
+
+
+      # Only create the output if not a dry run.
+      if test -z "$run"; then
+	for installed in no yes; do
+	  if test "$installed" = yes; then
+	    if test -z "$install_libdir"; then
+	      break
+	    fi
+	    output="$output_objdir/$outputname"i
+	    # Replace all uninstalled libtool libraries with the installed ones
+	    newdependency_libs=
+	    for deplib in $dependency_libs; do
+	      case $deplib in
+	      *.la)
+		name=`$echo "X$deplib" | $Xsed -e 's%^.*/%%'`
+		eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib`
+		if test -z "$libdir"; then
+		  $echo "$modename: \`$deplib' is not a valid libtool archive" 1>&2
+		  exit $EXIT_FAILURE
+		fi
+		newdependency_libs="$newdependency_libs $libdir/$name"
+		;;
+	      *) newdependency_libs="$newdependency_libs $deplib" ;;
+	      esac
+	    done
+	    dependency_libs="$newdependency_libs"
+	    newdlfiles=
+	    for lib in $dlfiles; do
+	      name=`$echo "X$lib" | $Xsed -e 's%^.*/%%'`
+	      eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib`
+	      if test -z "$libdir"; then
+		$echo "$modename: \`$lib' is not a valid libtool archive" 1>&2
+		exit $EXIT_FAILURE
+	      fi
+	      newdlfiles="$newdlfiles $libdir/$name"
+	    done
+	    dlfiles="$newdlfiles"
+	    newdlprefiles=
+	    for lib in $dlprefiles; do
+	      name=`$echo "X$lib" | $Xsed -e 's%^.*/%%'`
+	      eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib`
+	      if test -z "$libdir"; then
+		$echo "$modename: \`$lib' is not a valid libtool archive" 1>&2
+		exit $EXIT_FAILURE
+	      fi
+	      newdlprefiles="$newdlprefiles $libdir/$name"
+	    done
+	    dlprefiles="$newdlprefiles"
+	  else
+	    newdlfiles=
+	    for lib in $dlfiles; do
+	      case $lib in
+		[\\/]* | [A-Za-z]:[\\/]*) abs="$lib" ;;
+		*) abs=`pwd`"/$lib" ;;
+	      esac
+	      newdlfiles="$newdlfiles $abs"
+	    done
+	    dlfiles="$newdlfiles"
+	    newdlprefiles=
+	    for lib in $dlprefiles; do
+	      case $lib in
+		[\\/]* | [A-Za-z]:[\\/]*) abs="$lib" ;;
+		*) abs=`pwd`"/$lib" ;;
+	      esac
+	      newdlprefiles="$newdlprefiles $abs"
+	    done
+	    dlprefiles="$newdlprefiles"
+	  fi
+	  $rm $output
+	  # place dlname in correct position for cygwin
+	  tdlname=$dlname
+	  case $host,$output,$installed,$module,$dlname in
+	    *cygwin*,*lai,yes,no,*.dll | *mingw*,*lai,yes,no,*.dll) tdlname=../bin/$dlname ;;
+	  esac
+	  $echo > $output "\
+# $outputname - a libtool library file
+# Generated by $PROGRAM - GNU $PACKAGE $VERSION$TIMESTAMP
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# The name that we can dlopen(3).
+dlname='$tdlname'
+
+# Names of this library.
+library_names='$library_names'
+
+# The name of the static archive.
+old_library='$old_library'
+
+# Libraries that this one depends upon.
+dependency_libs='$dependency_libs'
+
+# Version information for $libname.
+current=$current
+age=$age
+revision=$revision
+
+# Is this an already installed library?
+installed=$installed
+
+# Should we warn about portability when linking against -modules?
+shouldnotlink=$module
+
+# Files to dlopen/dlpreopen
+dlopen='$dlfiles'
+dlpreopen='$dlprefiles'
+
+# Directory that this library needs to be installed in:
+libdir='$install_libdir'"
+	  if test "$installed" = no && test "$need_relink" = yes; then
+	    $echo >> $output "\
+relink_command=\"$relink_command\""
+	  fi
+	done
+      fi
+
+      # Do a symbolic link so that the libtool archive can be found in
+      # LD_LIBRARY_PATH before the program is installed.
+      $show "(cd $output_objdir && $rm $outputname && $LN_S ../$outputname $outputname)"
+      $run eval '(cd $output_objdir && $rm $outputname && $LN_S ../$outputname $outputname)' || exit $?
+      ;;
+    esac
+    exit $EXIT_SUCCESS
+    ;;
+
+  # libtool install mode
+  install)
+    modename="$modename: install"
+
+    # There may be an optional sh(1) argument at the beginning of
+    # install_prog (especially on Windows NT).
+    if test "$nonopt" = "$SHELL" || test "$nonopt" = /bin/sh ||
+       # Allow the use of GNU shtool's install command.
+       $echo "X$nonopt" | grep shtool > /dev/null; then
+      # Aesthetically quote it.
+      arg=`$echo "X$nonopt" | $Xsed -e "$sed_quote_subst"`
+      case $arg in
+      *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")
+	arg="\"$arg\""
+	;;
+      esac
+      install_prog="$arg "
+      arg="$1"
+      shift
+    else
+      install_prog=
+      arg=$nonopt
+    fi
+
+    # The real first argument should be the name of the installation program.
+    # Aesthetically quote it.
+    arg=`$echo "X$arg" | $Xsed -e "$sed_quote_subst"`
+    case $arg in
+    *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")
+      arg="\"$arg\""
+      ;;
+    esac
+    install_prog="$install_prog$arg"
+
+    # We need to accept at least all the BSD install flags.
+    dest=
+    files=
+    opts=
+    prev=
+    install_type=
+    isdir=no
+    stripme=
+    for arg
+    do
+      if test -n "$dest"; then
+	files="$files $dest"
+	dest=$arg
+	continue
+      fi
+
+      case $arg in
+      -d) isdir=yes ;;
+      -f) 
+      	case " $install_prog " in
+	*[\\\ /]cp\ *) ;;
+	*) prev=$arg ;;
+	esac
+	;;
+      -g | -m | -o) prev=$arg ;;
+      -s)
+	stripme=" -s"
+	continue
+	;;
+      -*)
+	;;
+      *)
+	# If the previous option needed an argument, then skip it.
+	if test -n "$prev"; then
+	  prev=
+	else
+	  dest=$arg
+	  continue
+	fi
+	;;
+      esac
+
+      # Aesthetically quote the argument.
+      arg=`$echo "X$arg" | $Xsed -e "$sed_quote_subst"`
+      case $arg in
+      *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")
+	arg="\"$arg\""
+	;;
+      esac
+      install_prog="$install_prog $arg"
+    done
+
+    if test -z "$install_prog"; then
+      $echo "$modename: you must specify an install program" 1>&2
+      $echo "$help" 1>&2
+      exit $EXIT_FAILURE
+    fi
+
+    if test -n "$prev"; then
+      $echo "$modename: the \`$prev' option requires an argument" 1>&2
+      $echo "$help" 1>&2
+      exit $EXIT_FAILURE
+    fi
+
+    if test -z "$files"; then
+      if test -z "$dest"; then
+	$echo "$modename: no file or destination specified" 1>&2
+      else
+	$echo "$modename: you must specify a destination" 1>&2
+      fi
+      $echo "$help" 1>&2
+      exit $EXIT_FAILURE
+    fi
+
+    # Strip any trailing slash from the destination.
+    dest=`$echo "X$dest" | $Xsed -e 's%/$%%'`
+
+    # Check to see that the destination is a directory.
+    test -d "$dest" && isdir=yes
+    if test "$isdir" = yes; then
+      destdir="$dest"
+      destname=
+    else
+      destdir=`$echo "X$dest" | $Xsed -e 's%/[^/]*$%%'`
+      test "X$destdir" = "X$dest" && destdir=.
+      destname=`$echo "X$dest" | $Xsed -e 's%^.*/%%'`
+
+      # Not a directory, so check to see that there is only one file specified.
+      set dummy $files
+      if test "$#" -gt 2; then
+	$echo "$modename: \`$dest' is not a directory" 1>&2
+	$echo "$help" 1>&2
+	exit $EXIT_FAILURE
+      fi
+    fi
+    case $destdir in
+    [\\/]* | [A-Za-z]:[\\/]*) ;;
+    *)
+      for file in $files; do
+	case $file in
+	*.lo) ;;
+	*)
+	  $echo "$modename: \`$destdir' must be an absolute directory name" 1>&2
+	  $echo "$help" 1>&2
+	  exit $EXIT_FAILURE
+	  ;;
+	esac
+      done
+      ;;
+    esac
+
+    # This variable tells wrapper scripts just to set variables rather
+    # than running their programs.
+    libtool_install_magic="$magic"
+
+    staticlibs=
+    future_libdirs=
+    current_libdirs=
+    for file in $files; do
+
+      # Do each installation.
+      case $file in
+      *.$libext)
+	# Do the static libraries later.
+	staticlibs="$staticlibs $file"
+	;;
+
+      *.la)
+	# Check to see that this really is a libtool archive.
+	if (${SED} -e '2q' $file | grep "^# Generated by .*$PACKAGE") >/dev/null 2>&1; then :
+	else
+	  $echo "$modename: \`$file' is not a valid libtool archive" 1>&2
+	  $echo "$help" 1>&2
+	  exit $EXIT_FAILURE
+	fi
+
+	library_names=
+	old_library=
+	relink_command=
+	# If there is no directory component, then add one.
+	case $file in
+	*/* | *\\*) . $file ;;
+	*) . ./$file ;;
+	esac
+
+	# Add the libdir to current_libdirs if it is the destination.
+	if test "X$destdir" = "X$libdir"; then
+	  case "$current_libdirs " in
+	  *" $libdir "*) ;;
+	  *) current_libdirs="$current_libdirs $libdir" ;;
+	  esac
+	else
+	  # Note the libdir as a future libdir.
+	  case "$future_libdirs " in
+	  *" $libdir "*) ;;
+	  *) future_libdirs="$future_libdirs $libdir" ;;
+	  esac
+	fi
+
+	dir=`$echo "X$file" | $Xsed -e 's%/[^/]*$%%'`/
+	test "X$dir" = "X$file/" && dir=
+	dir="$dir$objdir"
+
+	if test -n "$relink_command"; then
+	  # Determine the prefix the user has applied to our future dir.
+	  inst_prefix_dir=`$echo "$destdir" | $SED "s%$libdir\$%%"`
+
+	  # Don't allow the user to place us outside of our expected
+	  # location b/c this prevents finding dependent libraries that
+	  # are installed to the same prefix.
+	  # At present, this check doesn't affect windows .dll's that
+	  # are installed into $libdir/../bin (currently, that works fine)
+	  # but it's something to keep an eye on.
+	  if test "$inst_prefix_dir" = "$destdir"; then
+	    $echo "$modename: error: cannot install \`$file' to a directory not ending in $libdir" 1>&2
+	    exit $EXIT_FAILURE
+	  fi
+
+	  if test -n "$inst_prefix_dir"; then
+	    # Stick the inst_prefix_dir data into the link command.
+	    relink_command=`$echo "$relink_command" | $SP2NL | $SED "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%" | $NL2SP`
+	  else
+	    relink_command=`$echo "$relink_command" | $SP2NL | $SED "s%@inst_prefix_dir@%%" | $NL2SP`
+	  fi
+
+	  $echo "$modename: warning: relinking \`$file'" 1>&2
+	  $show "$relink_command"
+	  if $run eval "$relink_command"; then :
+	  else
+	    $echo "$modename: error: relink \`$file' with the above command before installing it" 1>&2
+	    exit $EXIT_FAILURE
+	  fi
+	fi
+
+	# See the names of the shared library.
+	set dummy $library_names
+	if test -n "$2"; then
+	  realname="$2"
+	  shift
+	  shift
+
+	  srcname="$realname"
+	  test -n "$relink_command" && srcname="$realname"T
+
+	  # Install the shared library and build the symlinks.
+	  $show "$install_prog $dir/$srcname $destdir/$realname"
+	  $run eval "$install_prog $dir/$srcname $destdir/$realname" || exit $?
+	  if test -n "$stripme" && test -n "$striplib"; then
+	    $show "$striplib $destdir/$realname"
+	    $run eval "$striplib $destdir/$realname" || exit $?
+	  fi
+
+	  if test "$#" -gt 0; then
+	    # Delete the old symlinks, and create new ones.
+	    # Try `ln -sf' first, because the `ln' binary might depend on
+	    # the symlink we replace!  Solaris /bin/ln does not understand -f,
+	    # so we also need to try rm && ln -s.
+	    for linkname
+	    do
+	      if test "$linkname" != "$realname"; then
+                $show "(cd $destdir && { $LN_S -f $realname $linkname || { $rm $linkname && $LN_S $realname $linkname; }; })"
+                $run eval "(cd $destdir && { $LN_S -f $realname $linkname || { $rm $linkname && $LN_S $realname $linkname; }; })"
+	      fi
+	    done
+	  fi
+
+	  # Do each command in the postinstall commands.
+	  lib="$destdir/$realname"
+	  cmds=$postinstall_cmds
+	  save_ifs="$IFS"; IFS='~'
+	  for cmd in $cmds; do
+	    IFS="$save_ifs"
+	    eval cmd=\"$cmd\"
+	    $show "$cmd"
+	    $run eval "$cmd" || {
+	      lt_exit=$?
+
+	      # Restore the uninstalled library and exit
+	      if test "$mode" = relink; then
+		$run eval '(cd $output_objdir && $rm ${realname}T && $mv ${realname}U $realname)'
+	      fi
+
+	      exit $lt_exit
+	    }
+	  done
+	  IFS="$save_ifs"
+	fi
+
+	# Install the pseudo-library for information purposes.
+	name=`$echo "X$file" | $Xsed -e 's%^.*/%%'`
+	instname="$dir/$name"i
+	$show "$install_prog $instname $destdir/$name"
+	$run eval "$install_prog $instname $destdir/$name" || exit $?
+
+	# Maybe install the static library, too.
+	test -n "$old_library" && staticlibs="$staticlibs $dir/$old_library"
+	;;
+
+      *.lo)
+	# Install (i.e. copy) a libtool object.
+
+	# Figure out destination file name, if it wasn't already specified.
+	if test -n "$destname"; then
+	  destfile="$destdir/$destname"
+	else
+	  destfile=`$echo "X$file" | $Xsed -e 's%^.*/%%'`
+	  destfile="$destdir/$destfile"
+	fi
+
+	# Deduce the name of the destination old-style object file.
+	case $destfile in
+	*.lo)
+	  staticdest=`$echo "X$destfile" | $Xsed -e "$lo2o"`
+	  ;;
+	*.$objext)
+	  staticdest="$destfile"
+	  destfile=
+	  ;;
+	*)
+	  $echo "$modename: cannot copy a libtool object to \`$destfile'" 1>&2
+	  $echo "$help" 1>&2
+	  exit $EXIT_FAILURE
+	  ;;
+	esac
+
+	# Install the libtool object if requested.
+	if test -n "$destfile"; then
+	  $show "$install_prog $file $destfile"
+	  $run eval "$install_prog $file $destfile" || exit $?
+	fi
+
+	# Install the old object if enabled.
+	if test "$build_old_libs" = yes; then
+	  # Deduce the name of the old-style object file.
+	  staticobj=`$echo "X$file" | $Xsed -e "$lo2o"`
+
+	  $show "$install_prog $staticobj $staticdest"
+	  $run eval "$install_prog \$staticobj \$staticdest" || exit $?
+	fi
+	exit $EXIT_SUCCESS
+	;;
+
+      *)
+	# Figure out destination file name, if it wasn't already specified.
+	if test -n "$destname"; then
+	  destfile="$destdir/$destname"
+	else
+	  destfile=`$echo "X$file" | $Xsed -e 's%^.*/%%'`
+	  destfile="$destdir/$destfile"
+	fi
+
+	# If the file is missing, and there is a .exe on the end, strip it
+	# because it is most likely a libtool script we actually want to
+	# install
+	stripped_ext=""
+	case $file in
+	  *.exe)
+	    if test ! -f "$file"; then
+	      file=`$echo $file|${SED} 's,.exe$,,'`
+	      stripped_ext=".exe"
+	    fi
+	    ;;
+	esac
+
+	# Do a test to see if this is really a libtool program.
+	case $host in
+	*cygwin*|*mingw*)
+	    wrapper=`$echo $file | ${SED} -e 's,.exe$,,'`
+	    ;;
+	*)
+	    wrapper=$file
+	    ;;
+	esac
+	if (${SED} -e '4q' $wrapper | grep "^# Generated by .*$PACKAGE")>/dev/null 2>&1; then
+	  notinst_deplibs=
+	  relink_command=
+
+	  # Note that it is not necessary on cygwin/mingw to append a dot to
+	  # foo even if both foo and FILE.exe exist: automatic-append-.exe
+	  # behavior happens only for exec(3), not for open(2)!  Also, sourcing
+	  # `FILE.' does not work on cygwin managed mounts.
+	  #
+	  # If there is no directory component, then add one.
+	  case $wrapper in
+	  */* | *\\*) . ${wrapper} ;;
+	  *) . ./${wrapper} ;;
+	  esac
+
+	  # Check the variables that should have been set.
+	  if test -z "$notinst_deplibs"; then
+	    $echo "$modename: invalid libtool wrapper script \`$wrapper'" 1>&2
+	    exit $EXIT_FAILURE
+	  fi
+
+	  finalize=yes
+	  for lib in $notinst_deplibs; do
+	    # Check to see that each library is installed.
+	    libdir=
+	    if test -f "$lib"; then
+	      # If there is no directory component, then add one.
+	      case $lib in
+	      */* | *\\*) . $lib ;;
+	      *) . ./$lib ;;
+	      esac
+	    fi
+	    libfile="$libdir/"`$echo "X$lib" | $Xsed -e 's%^.*/%%g'` ### testsuite: skip nested quoting test
+	    if test -n "$libdir" && test ! -f "$libfile"; then
+	      $echo "$modename: warning: \`$lib' has not been installed in \`$libdir'" 1>&2
+	      finalize=no
+	    fi
+	  done
+
+	  relink_command=
+	  # Note that it is not necessary on cygwin/mingw to append a dot to
+	  # foo even if both foo and FILE.exe exist: automatic-append-.exe
+	  # behavior happens only for exec(3), not for open(2)!  Also, sourcing
+	  # `FILE.' does not work on cygwin managed mounts.
+	  #
+	  # If there is no directory component, then add one.
+	  case $wrapper in
+	  */* | *\\*) . ${wrapper} ;;
+	  *) . ./${wrapper} ;;
+	  esac
+
+	  outputname=
+	  if test "$fast_install" = no && test -n "$relink_command"; then
+	    if test "$finalize" = yes && test -z "$run"; then
+	      tmpdir=`func_mktempdir`
+	      file=`$echo "X$file$stripped_ext" | $Xsed -e 's%^.*/%%'`
+	      outputname="$tmpdir/$file"
+	      # Replace the output file specification.
+	      relink_command=`$echo "X$relink_command" | $SP2NL | $Xsed -e 's%@OUTPUT@%'"$outputname"'%g' | $NL2SP`
+
+	      $show "$relink_command"
+	      if $run eval "$relink_command"; then :
+	      else
+		$echo "$modename: error: relink \`$file' with the above command before installing it" 1>&2
+		${rm}r "$tmpdir"
+		continue
+	      fi
+	      file="$outputname"
+	    else
+	      $echo "$modename: warning: cannot relink \`$file'" 1>&2
+	    fi
+	  else
+	    # Install the binary that we compiled earlier.
+	    file=`$echo "X$file$stripped_ext" | $Xsed -e "s%\([^/]*\)$%$objdir/\1%"`
+	  fi
+	fi
+
+	# remove .exe since cygwin /usr/bin/install will append another
+	# one anyway 
+	case $install_prog,$host in
+	*/usr/bin/install*,*cygwin*)
+	  case $file:$destfile in
+	  *.exe:*.exe)
+	    # this is ok
+	    ;;
+	  *.exe:*)
+	    destfile=$destfile.exe
+	    ;;
+	  *:*.exe)
+	    destfile=`$echo $destfile | ${SED} -e 's,.exe$,,'`
+	    ;;
+	  esac
+	  ;;
+	esac
+	$show "$install_prog$stripme $file $destfile"
+	$run eval "$install_prog\$stripme \$file \$destfile" || exit $?
+	test -n "$outputname" && ${rm}r "$tmpdir"
+	;;
+      esac
+    done
+
+    for file in $staticlibs; do
+      name=`$echo "X$file" | $Xsed -e 's%^.*/%%'`
+
+      # Set up the ranlib parameters.
+      oldlib="$destdir/$name"
+
+      $show "$install_prog $file $oldlib"
+      $run eval "$install_prog \$file \$oldlib" || exit $?
+
+      if test -n "$stripme" && test -n "$old_striplib"; then
+	$show "$old_striplib $oldlib"
+	$run eval "$old_striplib $oldlib" || exit $?
+      fi
+
+      # Do each command in the postinstall commands.
+      cmds=$old_postinstall_cmds
+      save_ifs="$IFS"; IFS='~'
+      for cmd in $cmds; do
+	IFS="$save_ifs"
+	eval cmd=\"$cmd\"
+	$show "$cmd"
+	$run eval "$cmd" || exit $?
+      done
+      IFS="$save_ifs"
+    done
+
+    if test -n "$future_libdirs"; then
+      $echo "$modename: warning: remember to run \`$progname --finish$future_libdirs'" 1>&2
+    fi
+
+    if test -n "$current_libdirs"; then
+      # Maybe just do a dry run.
+      test -n "$run" && current_libdirs=" -n$current_libdirs"
+      exec_cmd='$SHELL $progpath $preserve_args --finish$current_libdirs'
+    else
+      exit $EXIT_SUCCESS
+    fi
+    ;;
+
+  # libtool finish mode
+  finish)
+    modename="$modename: finish"
+    libdirs="$nonopt"
+    admincmds=
+
+    if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then
+      for dir
+      do
+	libdirs="$libdirs $dir"
+      done
+
+      for libdir in $libdirs; do
+	if test -n "$finish_cmds"; then
+	  # Do each command in the finish commands.
+	  cmds=$finish_cmds
+	  save_ifs="$IFS"; IFS='~'
+	  for cmd in $cmds; do
+	    IFS="$save_ifs"
+	    eval cmd=\"$cmd\"
+	    $show "$cmd"
+	    $run eval "$cmd" || admincmds="$admincmds
+       $cmd"
+	  done
+	  IFS="$save_ifs"
+	fi
+	if test -n "$finish_eval"; then
+	  # Do the single finish_eval.
+	  eval cmds=\"$finish_eval\"
+	  $run eval "$cmds" || admincmds="$admincmds
+       $cmds"
+	fi
+      done
+    fi
+
+    # Exit here if they wanted silent mode.
+    test "$show" = : && exit $EXIT_SUCCESS
+
+    $echo "X----------------------------------------------------------------------" | $Xsed
+    $echo "Libraries have been installed in:"
+    for libdir in $libdirs; do
+      $echo "   $libdir"
+    done
+    $echo
+    $echo "If you ever happen to want to link against installed libraries"
+    $echo "in a given directory, LIBDIR, you must either use libtool, and"
+    $echo "specify the full pathname of the library, or use the \`-LLIBDIR'"
+    $echo "flag during linking and do at least one of the following:"
+    if test -n "$shlibpath_var"; then
+      $echo "   - add LIBDIR to the \`$shlibpath_var' environment variable"
+      $echo "     during execution"
+    fi
+    if test -n "$runpath_var"; then
+      $echo "   - add LIBDIR to the \`$runpath_var' environment variable"
+      $echo "     during linking"
+    fi
+    if test -n "$hardcode_libdir_flag_spec"; then
+      libdir=LIBDIR
+      eval flag=\"$hardcode_libdir_flag_spec\"
+
+      $echo "   - use the \`$flag' linker flag"
+    fi
+    if test -n "$admincmds"; then
+      $echo "   - have your system administrator run these commands:$admincmds"
+    fi
+    if test -f /etc/ld.so.conf; then
+      $echo "   - have your system administrator add LIBDIR to \`/etc/ld.so.conf'"
+    fi
+    $echo
+    $echo "See any operating system documentation about shared libraries for"
+    $echo "more information, such as the ld(1) and ld.so(8) manual pages."
+    $echo "X----------------------------------------------------------------------" | $Xsed
+    exit $EXIT_SUCCESS
+    ;;
+
+  # libtool execute mode
+  execute)
+    modename="$modename: execute"
+
+    # The first argument is the command name.
+    cmd="$nonopt"
+    if test -z "$cmd"; then
+      $echo "$modename: you must specify a COMMAND" 1>&2
+      $echo "$help"
+      exit $EXIT_FAILURE
+    fi
+
+    # Handle -dlopen flags immediately.
+    for file in $execute_dlfiles; do
+      if test ! -f "$file"; then
+	$echo "$modename: \`$file' is not a file" 1>&2
+	$echo "$help" 1>&2
+	exit $EXIT_FAILURE
+      fi
+
+      dir=
+      case $file in
+      *.la)
+	# Check to see that this really is a libtool archive.
+	if (${SED} -e '2q' $file | grep "^# Generated by .*$PACKAGE") >/dev/null 2>&1; then :
+	else
+	  $echo "$modename: \`$lib' is not a valid libtool archive" 1>&2
+	  $echo "$help" 1>&2
+	  exit $EXIT_FAILURE
+	fi
+
+	# Read the libtool library.
+	dlname=
+	library_names=
+
+	# If there is no directory component, then add one.
+	case $file in
+	*/* | *\\*) . $file ;;
+	*) . ./$file ;;
+	esac
+
+	# Skip this library if it cannot be dlopened.
+	if test -z "$dlname"; then
+	  # Warn if it was a shared library.
+	  test -n "$library_names" && $echo "$modename: warning: \`$file' was not linked with \`-export-dynamic'"
+	  continue
+	fi
+
+	dir=`$echo "X$file" | $Xsed -e 's%/[^/]*$%%'`
+	test "X$dir" = "X$file" && dir=.
+
+	if test -f "$dir/$objdir/$dlname"; then
+	  dir="$dir/$objdir"
+	else
+	  if test ! -f "$dir/$dlname"; then
+	    $echo "$modename: cannot find \`$dlname' in \`$dir' or \`$dir/$objdir'" 1>&2
+	    exit $EXIT_FAILURE
+	  fi
+	fi
+	;;
+
+      *.lo)
+	# Just add the directory containing the .lo file.
+	dir=`$echo "X$file" | $Xsed -e 's%/[^/]*$%%'`
+	test "X$dir" = "X$file" && dir=.
+	;;
+
+      *)
+	$echo "$modename: warning \`-dlopen' is ignored for non-libtool libraries and objects" 1>&2
+	continue
+	;;
+      esac
+
+      # Get the absolute pathname.
+      absdir=`cd "$dir" && pwd`
+      test -n "$absdir" && dir="$absdir"
+
+      # Now add the directory to shlibpath_var.
+      if eval "test -z \"\$$shlibpath_var\""; then
+	eval "$shlibpath_var=\"\$dir\""
+      else
+	eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\""
+      fi
+    done
+
+    # This variable tells wrapper scripts just to set shlibpath_var
+    # rather than running their programs.
+    libtool_execute_magic="$magic"
+
+    # Check if any of the arguments is a wrapper script.
+    args=
+    for file
+    do
+      case $file in
+      -*) ;;
+      *)
+	# Do a test to see if this is really a libtool program.
+	if (${SED} -e '4q' $file | grep "^# Generated by .*$PACKAGE") >/dev/null 2>&1; then
+	  # If there is no directory component, then add one.
+	  case $file in
+	  */* | *\\*) . $file ;;
+	  *) . ./$file ;;
+	  esac
+
+	  # Transform arg to wrapped name.
+	  file="$progdir/$program"
+	fi
+	;;
+      esac
+      # Quote arguments (to preserve shell metacharacters).
+      file=`$echo "X$file" | $Xsed -e "$sed_quote_subst"`
+      args="$args \"$file\""
+    done
+
+    if test -z "$run"; then
+      if test -n "$shlibpath_var"; then
+	# Export the shlibpath_var.
+	eval "export $shlibpath_var"
+      fi
+
+      # Restore saved environment variables
+      for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES
+      do
+	eval "if test \"\${save_$lt_var+set}\" = set; then
+		$lt_var=\$save_$lt_var; export $lt_var
+	      fi"
+      done
+
+      # Now prepare to actually exec the command.
+      exec_cmd="\$cmd$args"
+    else
+      # Display what would be done.
+      if test -n "$shlibpath_var"; then
+	eval "\$echo \"\$shlibpath_var=\$$shlibpath_var\""
+	$echo "export $shlibpath_var"
+      fi
+      $echo "$cmd$args"
+      exit $EXIT_SUCCESS
+    fi
+    ;;
+
+  # libtool clean and uninstall mode
+  clean | uninstall)
+    modename="$modename: $mode"
+    rm="$nonopt"
+    files=
+    rmforce=
+    exit_status=0
+
+    # This variable tells wrapper scripts just to set variables rather
+    # than running their programs.
+    libtool_install_magic="$magic"
+
+    for arg
+    do
+      case $arg in
+      -f) rm="$rm $arg"; rmforce=yes ;;
+      -*) rm="$rm $arg" ;;
+      *) files="$files $arg" ;;
+      esac
+    done
+
+    if test -z "$rm"; then
+      $echo "$modename: you must specify an RM program" 1>&2
+      $echo "$help" 1>&2
+      exit $EXIT_FAILURE
+    fi
+
+    rmdirs=
+
+    origobjdir="$objdir"
+    for file in $files; do
+      dir=`$echo "X$file" | $Xsed -e 's%/[^/]*$%%'`
+      if test "X$dir" = "X$file"; then
+	dir=.
+	objdir="$origobjdir"
+      else
+	objdir="$dir/$origobjdir"
+      fi
+      name=`$echo "X$file" | $Xsed -e 's%^.*/%%'`
+      test "$mode" = uninstall && objdir="$dir"
+
+      # Remember objdir for removal later, being careful to avoid duplicates
+      if test "$mode" = clean; then
+	case " $rmdirs " in
+	  *" $objdir "*) ;;
+	  *) rmdirs="$rmdirs $objdir" ;;
+	esac
+      fi
+
+      # Don't error if the file doesn't exist and rm -f was used.
+      if (test -L "$file") >/dev/null 2>&1 \
+	|| (test -h "$file") >/dev/null 2>&1 \
+	|| test -f "$file"; then
+	:
+      elif test -d "$file"; then
+	exit_status=1
+	continue
+      elif test "$rmforce" = yes; then
+	continue
+      fi
+
+      rmfiles="$file"
+
+      case $name in
+      *.la)
+	# Possibly a libtool archive, so verify it.
+	if (${SED} -e '2q' $file | grep "^# Generated by .*$PACKAGE") >/dev/null 2>&1; then
+	  . $dir/$name
+
+	  # Delete the libtool libraries and symlinks.
+	  for n in $library_names; do
+	    rmfiles="$rmfiles $objdir/$n"
+	  done
+	  test -n "$old_library" && rmfiles="$rmfiles $objdir/$old_library"
+
+	  case "$mode" in
+	  clean)
+	    case "  $library_names " in
+	    # "  " in the beginning catches empty $dlname
+	    *" $dlname "*) ;;
+	    *) rmfiles="$rmfiles $objdir/$dlname" ;;
+	    esac
+	     test -n "$libdir" && rmfiles="$rmfiles $objdir/$name $objdir/${name}i"
+	    ;;
+	  uninstall)
+	    if test -n "$library_names"; then
+	      # Do each command in the postuninstall commands.
+	      cmds=$postuninstall_cmds
+	      save_ifs="$IFS"; IFS='~'
+	      for cmd in $cmds; do
+		IFS="$save_ifs"
+		eval cmd=\"$cmd\"
+		$show "$cmd"
+		$run eval "$cmd"
+		if test "$?" -ne 0 && test "$rmforce" != yes; then
+		  exit_status=1
+		fi
+	      done
+	      IFS="$save_ifs"
+	    fi
+
+	    if test -n "$old_library"; then
+	      # Do each command in the old_postuninstall commands.
+	      cmds=$old_postuninstall_cmds
+	      save_ifs="$IFS"; IFS='~'
+	      for cmd in $cmds; do
+		IFS="$save_ifs"
+		eval cmd=\"$cmd\"
+		$show "$cmd"
+		$run eval "$cmd"
+		if test "$?" -ne 0 && test "$rmforce" != yes; then
+		  exit_status=1
+		fi
+	      done
+	      IFS="$save_ifs"
+	    fi
+	    # FIXME: should reinstall the best remaining shared library.
+	    ;;
+	  esac
+	fi
+	;;
+
+      *.lo)
+	# Possibly a libtool object, so verify it.
+	if (${SED} -e '2q' $file | grep "^# Generated by .*$PACKAGE") >/dev/null 2>&1; then
+
+	  # Read the .lo file
+	  . $dir/$name
+
+	  # Add PIC object to the list of files to remove.
+	  if test -n "$pic_object" \
+	     && test "$pic_object" != none; then
+	    rmfiles="$rmfiles $dir/$pic_object"
+	  fi
+
+	  # Add non-PIC object to the list of files to remove.
+	  if test -n "$non_pic_object" \
+	     && test "$non_pic_object" != none; then
+	    rmfiles="$rmfiles $dir/$non_pic_object"
+	  fi
+	fi
+	;;
+
+      *)
+	if test "$mode" = clean ; then
+	  noexename=$name
+	  case $file in
+	  *.exe)
+	    file=`$echo $file|${SED} 's,.exe$,,'`
+	    noexename=`$echo $name|${SED} 's,.exe$,,'`
+	    # $file with .exe has already been added to rmfiles,
+	    # add $file without .exe
+	    rmfiles="$rmfiles $file"
+	    ;;
+	  esac
+	  # Do a test to see if this is a libtool program.
+	  if (${SED} -e '4q' $file | grep "^# Generated by .*$PACKAGE") >/dev/null 2>&1; then
+	    relink_command=
+	    . $dir/$noexename
+
+	    # note $name still contains .exe if it was in $file originally
+	    # as does the version of $file that was added into $rmfiles
+	    rmfiles="$rmfiles $objdir/$name $objdir/${name}S.${objext}"
+	    if test "$fast_install" = yes && test -n "$relink_command"; then
+	      rmfiles="$rmfiles $objdir/lt-$name"
+	    fi
+	    if test "X$noexename" != "X$name" ; then
+	      rmfiles="$rmfiles $objdir/lt-${noexename}.c"
+	    fi
+	  fi
+	fi
+	;;
+      esac
+      $show "$rm $rmfiles"
+      $run $rm $rmfiles || exit_status=1
+    done
+    objdir="$origobjdir"
+
+    # Try to remove the ${objdir}s in the directories where we deleted files
+    for dir in $rmdirs; do
+      if test -d "$dir"; then
+	$show "rmdir $dir"
+	$run rmdir $dir >/dev/null 2>&1
+      fi
+    done
+
+    exit $exit_status
+    ;;
+
+  "")
+    $echo "$modename: you must specify a MODE" 1>&2
+    $echo "$generic_help" 1>&2
+    exit $EXIT_FAILURE
+    ;;
+  esac
+
+  if test -z "$exec_cmd"; then
+    $echo "$modename: invalid operation mode \`$mode'" 1>&2
+    $echo "$generic_help" 1>&2
+    exit $EXIT_FAILURE
+  fi
+fi # test -z "$show_help"
+
+if test -n "$exec_cmd"; then
+  eval exec $exec_cmd
+  exit $EXIT_FAILURE
+fi
+
+# We need to display help for each of the modes.
+case $mode in
+"") $echo \
+"Usage: $modename [OPTION]... [MODE-ARG]...
+
+Provide generalized library-building support services.
+
+    --config          show all configuration variables
+    --debug           enable verbose shell tracing
+-n, --dry-run         display commands without modifying any files
+    --features        display basic configuration information and exit
+    --finish          same as \`--mode=finish'
+    --help            display this help message and exit
+    --mode=MODE       use operation mode MODE [default=inferred from MODE-ARGS]
+    --quiet           same as \`--silent'
+    --silent          don't print informational messages
+    --tag=TAG         use configuration variables from tag TAG
+    --version         print version information
+
+MODE must be one of the following:
+
+      clean           remove files from the build directory
+      compile         compile a source file into a libtool object
+      execute         automatically set library path, then run a program
+      finish          complete the installation of libtool libraries
+      install         install libraries or executables
+      link            create a library or an executable
+      uninstall       remove libraries from an installed directory
+
+MODE-ARGS vary depending on the MODE.  Try \`$modename --help --mode=MODE' for
+a more detailed description of MODE.
+
+Report bugs to <bug-libtool@gnu.org>."
+  exit $EXIT_SUCCESS
+  ;;
+
+clean)
+  $echo \
+"Usage: $modename [OPTION]... --mode=clean RM [RM-OPTION]... FILE...
+
+Remove files from the build directory.
+
+RM is the name of the program to use to delete files associated with each FILE
+(typically \`/bin/rm').  RM-OPTIONS are options (such as \`-f') to be passed
+to RM.
+
+If FILE is a libtool library, object or program, all the files associated
+with it are deleted. Otherwise, only FILE itself is deleted using RM."
+  ;;
+
+compile)
+  $echo \
+"Usage: $modename [OPTION]... --mode=compile COMPILE-COMMAND... SOURCEFILE
+
+Compile a source file into a libtool library object.
+
+This mode accepts the following additional options:
+
+  -o OUTPUT-FILE    set the output file name to OUTPUT-FILE
+  -prefer-pic       try to building PIC objects only
+  -prefer-non-pic   try to building non-PIC objects only
+  -static           always build a \`.o' file suitable for static linking
+
+COMPILE-COMMAND is a command to be used in creating a \`standard' object file
+from the given SOURCEFILE.
+
+The output file name is determined by removing the directory component from
+SOURCEFILE, then substituting the C source code suffix \`.c' with the
+library object suffix, \`.lo'."
+  ;;
+
+execute)
+  $echo \
+"Usage: $modename [OPTION]... --mode=execute COMMAND [ARGS]...
+
+Automatically set library path, then run a program.
+
+This mode accepts the following additional options:
+
+  -dlopen FILE      add the directory containing FILE to the library path
+
+This mode sets the library path environment variable according to \`-dlopen'
+flags.
+
+If any of the ARGS are libtool executable wrappers, then they are translated
+into their corresponding uninstalled binary, and any of their required library
+directories are added to the library path.
+
+Then, COMMAND is executed, with ARGS as arguments."
+  ;;
+
+finish)
+  $echo \
+"Usage: $modename [OPTION]... --mode=finish [LIBDIR]...
+
+Complete the installation of libtool libraries.
+
+Each LIBDIR is a directory that contains libtool libraries.
+
+The commands that this mode executes may require superuser privileges.  Use
+the \`--dry-run' option if you just want to see what would be executed."
+  ;;
+
+install)
+  $echo \
+"Usage: $modename [OPTION]... --mode=install INSTALL-COMMAND...
+
+Install executables or libraries.
+
+INSTALL-COMMAND is the installation command.  The first component should be
+either the \`install' or \`cp' program.
+
+The rest of the components are interpreted as arguments to that command (only
+BSD-compatible install options are recognized)."
+  ;;
+
+link)
+  $echo \
+"Usage: $modename [OPTION]... --mode=link LINK-COMMAND...
+
+Link object files or libraries together to form another library, or to
+create an executable program.
+
+LINK-COMMAND is a command using the C compiler that you would use to create
+a program from several object files.
+
+The following components of LINK-COMMAND are treated specially:
+
+  -all-static       do not do any dynamic linking at all
+  -avoid-version    do not add a version suffix if possible
+  -dlopen FILE      \`-dlpreopen' FILE if it cannot be dlopened at runtime
+  -dlpreopen FILE   link in FILE and add its symbols to lt_preloaded_symbols
+  -export-dynamic   allow symbols from OUTPUT-FILE to be resolved with dlsym(3)
+  -export-symbols SYMFILE
+                    try to export only the symbols listed in SYMFILE
+  -export-symbols-regex REGEX
+                    try to export only the symbols matching REGEX
+  -LLIBDIR          search LIBDIR for required installed libraries
+  -lNAME            OUTPUT-FILE requires the installed library libNAME
+  -module           build a library that can dlopened
+  -no-fast-install  disable the fast-install mode
+  -no-install       link a not-installable executable
+  -no-undefined     declare that a library does not refer to external symbols
+  -o OUTPUT-FILE    create OUTPUT-FILE from the specified objects
+  -objectlist FILE  Use a list of object files found in FILE to specify objects
+  -precious-files-regex REGEX
+                    don't remove output files matching REGEX
+  -release RELEASE  specify package release information
+  -rpath LIBDIR     the created library will eventually be installed in LIBDIR
+  -R[ ]LIBDIR       add LIBDIR to the runtime path of programs and libraries
+  -static           do not do any dynamic linking of uninstalled libtool libraries
+  -static-libtool-libs
+                    do not do any dynamic linking of libtool libraries
+  -version-info CURRENT[:REVISION[:AGE]]
+                    specify library version info [each variable defaults to 0]
+
+All other options (arguments beginning with \`-') are ignored.
+
+Every other argument is treated as a filename.  Files ending in \`.la' are
+treated as uninstalled libtool libraries, other files are standard or library
+object files.
+
+If the OUTPUT-FILE ends in \`.la', then a libtool library is created,
+only library objects (\`.lo' files) may be specified, and \`-rpath' is
+required, except when creating a convenience library.
+
+If OUTPUT-FILE ends in \`.a' or \`.lib', then a standard library is created
+using \`ar' and \`ranlib', or on Windows using \`lib'.
+
+If OUTPUT-FILE ends in \`.lo' or \`.${objext}', then a reloadable object file
+is created, otherwise an executable program is created."
+  ;;
+
+uninstall)
+  $echo \
+"Usage: $modename [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE...
+
+Remove libraries from an installation directory.
+
+RM is the name of the program to use to delete files associated with each FILE
+(typically \`/bin/rm').  RM-OPTIONS are options (such as \`-f') to be passed
+to RM.
+
+If FILE is a libtool library, all the files associated with it are deleted.
+Otherwise, only FILE itself is deleted using RM."
+  ;;
+
+*)
+  $echo "$modename: invalid operation mode \`$mode'" 1>&2
+  $echo "$help" 1>&2
+  exit $EXIT_FAILURE
+  ;;
+esac
+
+$echo
+$echo "Try \`$modename --help' for more information about other modes."
+
+exit $?
+
+# The TAGs below are defined such that we never get into a situation
+# in which we disable both kinds of libraries.  Given conflicting
+# choices, we go for a static library, that is the most portable,
+# since we can't tell whether shared libraries were disabled because
+# the user asked for that or because the platform doesn't support
+# them.  This is particularly important on AIX, because we don't
+# support having both static and shared libraries enabled at the same
+# time on that platform, so we default to a shared-only configuration.
+# If a disable-shared tag is given, we'll fallback to a static-only
+# configuration.  But we'll never go from static-only to shared-only.
+
+# ### BEGIN LIBTOOL TAG CONFIG: disable-shared
+disable_libs=shared
+# ### END LIBTOOL TAG CONFIG: disable-shared
+
+# ### BEGIN LIBTOOL TAG CONFIG: disable-static
+disable_libs=static
+# ### END LIBTOOL TAG CONFIG: disable-static
+
+# Local Variables:
+# mode:shell-script
+# sh-indentation:2
+# End:
diff --git a/make/proxy.mk b/make/proxy.mk
new file mode 100644
index 00000000..16831862
--- /dev/null
+++ b/make/proxy.mk
@@ -0,0 +1,10 @@
+THIS=$(notdir $(abspath .))
+
+all:
+	$(MAKE) -C .. build_$(THIS)
+
+check:
+	$(MAKE) -C .. check_$(THIS)
+
+clean:
+	$(MAKE) -C .. clean_$(THIS)
diff --git a/make/rules.mk b/make/rules.mk
new file mode 100644
index 00000000..901534cd
--- /dev/null
+++ b/make/rules.mk
@@ -0,0 +1,63 @@
+
+# Usage: $(call src_to_obj,srcs)
+define src_to_obj
+$(foreach F,$(1),$(dir $(F))$(OUTPUT_DIR)/$(patsubst %.cc,%.o,$(notdir $(F))))
+endef
+
+# Usage: $(call src_to_lobj,srcs)
+define src_to_lobj
+$(foreach F,$(1),$(dir $(F))$(OUTPUT_DIR)/$(patsubst %.cc,%.lo,$(notdir $(F))))
+endef
+
+# Usage: $(call obj_to_dep,objs)
+define obj_to_dep
+$(patsubst %.o,%.dep,$(1))
+endef
+
+# Usage: $(call lobj_to_dep,objs)
+define lobj_to_dep
+$(patsubst %.lo,%.dep,$(1))
+endef
+
+# Usage: $(call depflags,$(basename obj))
+ifeq ($(GENDEPS),1)
+depflags=-MD -MF $(1).dep -MP
+else
+depflags=
+endif
+
+#                       1   2
+# Usage: $(call compile,src,includes)
+define compile
+	$(CXX) $(CPPFLAGS) $(CXXFLAGS) \
+		$(call depflags,$(basename $(call src_to_obj,$(1)))) \
+		$(foreach I,$(2),-I$(I)) \
+		-c $(1) -o $(call src_to_obj,$(1))
+endef
+
+#                          1   2
+# Usage: $(call libcompile,src,includes)
+define libcompile
+	$(LIBTOOL) --mode=compile \
+		$(CXX) $(CPPFLAGS) $(CXXFLAGS) \
+		$(call depflags,$(basename $(call src_to_obj,$(1)))) \
+		$(foreach I,$(2),-I$(I)) \
+		-c $(1) -o $(call src_to_obj,$(1))
+endef
+
+#                       1    2       3       4        5
+# Usage: $(call makelib,objs,library,current,revision,age)
+define makelib
+	$(LIBTOOL) --mode=link \
+		$(CXX) $(CXXFLAGS) -o $(2) $(1) $(LDFLAGS) $(LIBS) \
+		 -rpath $(libdir) -version-info $(3):$(4):$(5)
+endef
+
+#                       1    2
+# Usage: $(call makebin,objs,binary)
+define makebin
+	$(LIBTOOL) --mode=link \
+		$(CXX) $(CXXFLAGS) $(1) -o $(2) $(LDFLAGS) \
+		-Llibqpdf/$(OUTPUT_DIR) -lqpdf $(LIBS)
+endef
+
diff --git a/make_dist b/make_dist
new file mode 100755
index 00000000..5ea2c646
--- /dev/null
+++ b/make_dist
@@ -0,0 +1,165 @@
+#!/usr/bin/env perl
+#
+# This program creates a source distribution of qpdf.  For details,
+# see README.maintainer.
+#
+
+require 5.008;
+BEGIN { $^W = 1; }
+use strict;
+use Cwd;
+use IO::File;
+
+my $whoami = ($0 =~ m,([^/\\]*)$,) ? $1 : $0;
+#my $dirname = ($0 =~ m,(.*)[/\\][^/\\]+$,) ? $1 : ".";
+
+usage() unless @ARGV >= 1;
+my $srcdir = shift(@ARGV);
+my $run_tests = 1;
+if (@ARGV)
+{
+    if ($ARGV[0] eq '--no-tests')
+    {
+	$run_tests = 0;
+    }
+    else
+    {
+	usage();
+    }
+}
+$srcdir =~ s,/$,,;
+usage() unless $srcdir =~ m/^qpdf-(\d+\.\d+(?:\.(a|b|rc)\d+)?)$/;
+my $version = $1;
+usage() unless -d $srcdir;
+
+my $pwd = getcwd();
+cd($srcdir);
+
+# Check versions
+my $fh = safe_open("configure.ac");
+my $config_version = 'unknown';
+while (<$fh>)
+{
+    if (m/^AC_INIT\(qpdf,([^\)]+)\)/)
+    {
+	$config_version = $1;
+	last;
+    }
+}
+$fh->close();
+
+$fh = safe_open("qpdf/qpdf.cc");
+my $code_version = 'unknown';
+while (<$fh>)
+{
+    if (m/whoami << \" version ([^\"]+)\"/)
+    {
+	$code_version = $1;
+	last;
+    }
+}
+$fh->close();
+
+$fh = safe_open("manual/qpdf-manual.xml");
+my $doc_version = 'unknown';
+while (<$fh>)
+{
+    if (m/swversion "([^\"]+)\"/)
+    {
+	$doc_version = $1;
+	last;
+    }
+}
+$fh->close();
+
+$fh = safe_open("qpdf.spec");
+my $spec_version = 'unknown';
+while (<$fh>)
+{
+    if (m/Version: (.*)$/)
+    {
+	$spec_version = $1;
+	last;
+    }
+}
+
+my $version_error = 0;
+if ($version ne $config_version)
+{
+    print "$whoami: configure.ac version = $config_version\n";
+    $version_error = 1;
+}
+if ($version ne $code_version)
+{
+    print "$whoami: qpdf.cc version = $code_version\n";
+    $version_error = 1;
+}
+if ($version ne $doc_version)
+{
+    print "$whoami: qpdf-manual.xml version = $doc_version\n";
+    $version_error = 1;
+}
+if ($version ne $spec_version)
+{
+    print "$whoami: qpdf.spec version = $spec_version\n";
+    $version_error = 1;
+}
+if ($version_error)
+{
+    die "$whoami: version numbers are not consistent\n";
+}
+
+run("autoconf");
+run("./configure --enable-doc-maintenance");
+run("make build_manual");
+run("make distclean");
+cd($pwd);
+run("tar czvf $srcdir.tar.gz-candidate $srcdir");
+if ($run_tests)
+{
+    cd($srcdir);
+    run("./configure");
+    run("make check");
+    cd($pwd);
+}
+rename "$srcdir.tar.gz-candidate", "$srcdir.tar.gz" or die;
+
+print "
+Source distribution created as $srcdir.tar.gz
+You can now remove $srcdir.
+If this is a release, don't forget to tag the version control system and
+make a backup of the release tar file.
+
+";
+
+sub safe_open
+{
+    my $file = shift;
+    my $fh = new IO::File("<$file") or die "$whoami: can't open $file: $!";
+    $fh;
+}
+
+sub run
+{
+    my $cmd = shift;
+    system($cmd) == 0 or die "$whoami: $cmd failed\n";
+}
+
+sub cd
+{
+    my $dir = shift;
+    chdir($dir) or die;
+}
+
+sub usage
+{
+    die "
+Usage: $whoami qpdf-version [ --no-tests ]
+
+qpdf-version must be a directory containing a pristine export of that
+version of qpdf from the version control system.  Use of --no-tests
+can be used for internally testing releases, but do not use it for a
+real release.
+
+";
+}
diff --git a/manual/Makefile b/manual/Makefile
new file mode 100644
index 00000000..90899055
--- /dev/null
+++ b/manual/Makefile
@@ -0,0 +1 @@
+include ../make/proxy.mk
diff --git a/manual/README b/manual/README
new file mode 100644
index 00000000..88118ac0
--- /dev/null
+++ b/manual/README
@@ -0,0 +1,3 @@
+This directory contains sources to the documentation.  If you are
+looking for pre-built documentation, please look in the "doc"
+directory.
diff --git a/manual/build.mk b/manual/build.mk
new file mode 100644
index 00000000..55c49652
--- /dev/null
+++ b/manual/build.mk
@@ -0,0 +1,43 @@
+INDOC = manual/qpdf-manual
+OUTDOC = manual/$(OUTPUT_DIR)/qpdf-manual
+
+TARGETS_manual := doc/qpdf.1 doc/fix-qdf.1 doc/zlib-flate.1
+ifeq ($(BUILD_HTML),1)
+TARGETS_manual += doc/qpdf-manual.html
+endif
+ifeq ($(BUILD_PDF),1)
+TARGETS_manual += doc/qpdf-manual.pdf
+endif
+
+VALIDATE=manual/$(OUTPUT_DIR)/validate
+
+ifeq ($(VALIDATE_DOC),1)
+
+$(VALIDATE): $(INDOC).xml
+	$(XMLLINT) --noout --dtdvalid $(DOCBOOKX_DTD) $<
+	touch $(VALIDATE)
+
+else
+
+$(VALIDATE):
+	touch $(VALIDATE)
+
+endif
+
+$(OUTDOC).pdf: $(OUTDOC).fo
+	$(FOP) $< -pdf $@
+
+$(OUTDOC).html: $(INDOC).xml manual/html.xsl $(VALIDATE)
+	$(XSLTPROC) --output $@ manual/html.xsl $<
+
+.PRECIOUS: $(OUTDOC).fo
+$(OUTDOC).fo: $(INDOC).xml manual/print.xsl $(VALIDATE)
+	$(XSLTPROC) --output $@ manual/print.xsl $<
+
+doc/%.1: manual/%.1.in
+	sed -e 's:@PACKAGE_VERSION@:$(PACKAGE_VERSION):g' \
+	    -e 's:@docdir@:$(docdir):g' \
+	    < $< > $@
+
+doc/%: manual/$(OUTPUT_DIR)/%
+	cp $< $@
diff --git a/manual/common.xsl b/manual/common.xsl
new file mode 100644
index 00000000..e564bfd8
--- /dev/null
+++ b/manual/common.xsl
@@ -0,0 +1,9 @@
+<?xml version='1.0'?>
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+                version="1.0">
+ <xsl:param name="variablelist.as.blocks" select="1"/>
+ <xsl:param name="body.start.indent">0pt</xsl:param>
+ <xsl:param name="xref.with.number.and.title" select="'yes'"/>
+ <xsl:param name="section.autolabel" select="1"/>
+ <xsl:param name="section.label.includes.component.label" select="1"/>
+</xsl:stylesheet>
diff --git a/manual/fix-qdf.1.in b/manual/fix-qdf.1.in
new file mode 100644
index 00000000..e1f7f8cb
--- /dev/null
+++ b/manual/fix-qdf.1.in
@@ -0,0 +1,18 @@
+\" This file is not processed by autoconf, but rather by build.mk in
+\" the manual directory.
+.TH FIX-QDF "1" "April 2008" "fix-qdf version @PACKAGE_VERSION@" "User Commands"
+.SH NAME
+fix-qdf \- repair PDF files in QDF form after editing
+.SH SYNOPSIS
+.B qpdf
+< \fIinfilename\fR > \fIoutfilename\fR
+.SH DESCRIPTION
+The fix-qdf program is part of the qpdf package.
+.PP
+The fix-qdf program reads a PDF file in QDF form and writes out
+the same file with stream lengths, cross-reference table entries, and
+object stream offset tables regenerated.
+.PP
+For details about fix-qdf and about PDF files in QDF mode, please see
+the qpdf manual, which can be found in @docdir@/qpdf-manual.html or
+@docdir@/qpdf-manual.pdf.
diff --git a/manual/html.xsl.in b/manual/html.xsl.in
new file mode 100644
index 00000000..e96f0583
--- /dev/null
+++ b/manual/html.xsl.in
@@ -0,0 +1,8 @@
+<?xml version='1.0'?>
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+                xmlns:fo="http://www.w3.org/1999/XSL/Format"
+                version="1.0">
+ <xsl:import href="@DOCBOOK_XHTML@"/>
+ <xsl:import href="common.xsl"/>
+ <xsl:param name="html.stylesheet">stylesheet.css</xsl:param>
+</xsl:stylesheet>
diff --git a/manual/print.xsl.in b/manual/print.xsl.in
new file mode 100644
index 00000000..d712cb35
--- /dev/null
+++ b/manual/print.xsl.in
@@ -0,0 +1,69 @@
+<?xml version='1.0'?>
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+                xmlns:fo="http://www.w3.org/1999/XSL/Format"
+                version="1.0">
+ <xsl:import href="@DOCBOOK_FO@"/>
+ <xsl:import href="common.xsl"/>
+ <xsl:param name="local.l10n.xml" select="document('')"/>
+ <l:i18n xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0">
+  <l:l10n language="en">
+   <l:context name="xref">
+    <l:template name="page.citation" text=", page %p"/>
+   </l:context>
+  </l:l10n>
+ </l:i18n>
+ <!--  This should give us bookmarks, but it's broken for fop      -->
+ <!--  0.94 and stylesheets 1.73.2.                                -->
+<!--
+ <xsl:param name="fop.extensions" select="1"/>
+-->
+ <xsl:param name="paper.type" select="'USLetter'"/>
+ <xsl:param name="insert.xref.page.number" select="'yes'"/>
+<!--
+ <xsl:param name="admon.graphics.path">
+  /tmp/z/docbook-xsl-1.73.2/images/
+ </xsl:param>
+ <xsl:param name="admon.graphics" select="1"/>
+-->
+ <xsl:param name="shade.verbatim" select="1"/>
+ <xsl:attribute-set name="shade.verbatim.style">
+  <xsl:attribute name="background-color">#F0F0F0</xsl:attribute>
+  <xsl:attribute name="border-width">0.5pt</xsl:attribute>
+  <xsl:attribute name="border-style">solid</xsl:attribute>
+  <xsl:attribute name="border-color">#575757</xsl:attribute>
+  <xsl:attribute name="padding">3pt</xsl:attribute>
+ </xsl:attribute-set>
+ <xsl:attribute-set name="xref.properties">
+  <xsl:attribute name="color">#00c</xsl:attribute>
+ </xsl:attribute-set>
+ <fo:page-sequence language="en"/>
+ <fo:block hyphenate="true"/>
+
+ <xsl:template match="property">
+  <xsl:call-template name="inline.boldseq"/>
+ </xsl:template>
+ <xsl:template match="classname">
+  <fo:inline font-family="sans-serif" font-weight="bold">
+   <xsl:call-template name="inline.italicseq"/>
+  </fo:inline>
+ </xsl:template>
+ <xsl:template match="filename">
+  <xsl:call-template name="inline.italicseq"/>
+ </xsl:template>
+ <xsl:template match="varname">
+  <xsl:call-template name="inline.italicseq"/>
+ </xsl:template>
+ <xsl:template match="function">
+  <xsl:call-template name="inline.italicseq"/>
+ </xsl:template>
+ <xsl:template match="envar">
+  <xsl:call-template name="inline.italicseq"/>
+ </xsl:template>
+ <xsl:template match="type">
+  <xsl:call-template name="inline.monoseq"/>
+ </xsl:template>
+ <xsl:template match="option">
+  <xsl:call-template name="inline.boldseq"/>
+ </xsl:template>
+
+</xsl:stylesheet>
diff --git a/manual/qpdf-manual.xml b/manual/qpdf-manual.xml
new file mode 100644
index 00000000..9257f26f
--- /dev/null
+++ b/manual/qpdf-manual.xml
@@ -0,0 +1,1964 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE book [
+<!ENTITY ldquo "&#x201C;">
+<!ENTITY rdquo "&#x201D;">
+<!ENTITY mdash "&#x2014;">
+<!ENTITY ndash "&#x2013;">
+<!ENTITY nbsp "&#xA0;">
+<!ENTITY swversion "2.0">
+<!ENTITY lastreleased "April 29, 2008">
+]>
+<book>
+ <bookinfo>
+  <title>QPDF Manual</title>
+  <subtitle>For QPDF Version &swversion;, &lastreleased;</subtitle>
+  <author>
+   <firstname>Jay</firstname><surname>Berkenbilt</surname>
+  </author>
+  <copyright>
+   <year>2005&ndash;2008</year>
+   <holder>Jay Berkenbilt</holder>
+  </copyright>
+ </bookinfo>
+ <preface id="acknowledgments">
+  <title>General Information</title>
+  <para>
+   QPDF is a program that does structural, content-preserving
+   transformations on PDF files.  QPDF's website is located at <ulink
+   url="http://qpdf.qbilt.org/">http://qpdf.qbilt.org/</ulink>.
+  </para>
+  <para>
+   QPDF has been released under the terms of <ulink
+   url="http://www.opensource.org/licenses/artistic-license-2.0.php">Version
+   2.0 of the Artistic License</ulink>, a copy of which appears in the
+   file <filename>Artistic-2.0</filename> in the source distribution.
+  </para>
+  <para>
+   QPDF was originally created in 2001 and modified periodically
+   between 2001 and 2005 during my employment at <ulink
+   url="http://www.apexcovantage.com">Apex CoVantage</ulink>.  Upon my
+   departure from Apex, the company graciously allowed me to take
+   ownership of the software and continue maintaining as an open
+   source project, a decision for which I am very grateful.  I have
+   made considerable enhancements to it since that time.  I feel
+   fortunate to have worked for people who would make such a decision.
+   This work would not have been possible without their support.
+  </para>
+ </preface>
+ <chapter id="ref.overview">
+  <title>What is QPDF?</title>
+  <para>
+   QPDF is a program that does structural, content-preserving
+   transformations on PDF files.  It could have been called something
+   like <emphasis>pdf-to-pdf</emphasis>.  It also provides many useful
+   capabilities to developers of PDF-producing software or for people
+   who just want to look at the innards of a PDF file to learn more
+   about how they work.
+  </para>
+  <para>
+   QPDF is <emphasis>not</emphasis> a PDF content creation library, a
+   PDF viewer, or a program capable of converting PDF into other
+   formats.  In particular, QPDF knows nothing about the semantics of
+   PDF content streams.  If you are looking for something that can do
+   that, you should look elsewhere.  However, once you have a valid
+   PDF file, QPDF can be used to transform that file in ways perhaps
+   your original PDF creation can't handle.  For example, programs
+   generate simple PDF files but can't password-protect them,
+   web-optimize them, or perform other transformations of that type.
+  </para>
+ </chapter>
+ <chapter id="ref.installing">
+  <title>Building and Installing QPDF</title>
+  <para>
+   This chapter describes how to build and install qpdf.  Please see
+   also the <filename>README</filename> and
+   <filename>INSTALL</filename> files in the source distribution.
+  </para>
+  <sect1 id="ref.prerequisites">
+   <title>System Requirements</title>
+   <para>
+    The qpdf package has relatively few external dependencies.  In
+    order to build qpdf, the following packages are required:
+    <itemizedlist>
+     <listitem>
+      <para>
+       zlib: <ulink url="http://www.zlib.net/">http://www.zlib.net/</ulink>
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       pcre: <ulink url="http://www.pcre.org/">http://www.pcre.org/</ulink>
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       gnu make 3.81 or newer: <ulink url="http://www.gnu.org/software/make">http://www.gnu.org/software/make</ulink>
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       perl version 5.8 or newer:
+       <ulink url="http://www.perl.org/">http://www.perl.org/</ulink>;
+       required for <command>fix-qdf</command> and the test suite.
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       GNU diffutils (any version): <ulink
+       url="http://www.gnu.org/software/diffutils/">http://www.gnu.org/software/diffutils/</ulink>
+       is required to run the test suite.  Note that this is the
+       version of diff present on virtually all GNU/Linux systems.
+       This is required because the test suite uses <command>diff
+       -u</command>.
+      </para>
+     </listitem>
+    </itemizedlist>
+   </para>
+   <para>
+    Part of qpdf's test suite does comparisons of the contents PDF
+    files by converting them images and comparing the images.  You can
+    optionally disable this part of the test suite by running
+    <command>configure</command> with the
+    <option>--disable-test-compare-images</option> flag.  If you leave
+    this enabled, the following additional requirements are required
+    by the test suite.  Note that in no case are these items required
+    to use qpdf.
+    <itemizedlist>
+     <listitem>
+      <para>
+       libtiff: <ulink url="http://www.remotesensing.org/libtiff/">http://www.remotesensing.org/libtiff/</ulink>
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       GhostScript version 8.60 or newer: <ulink
+       url="http://pages.cs.wisc.edu/~ghost/">http://pages.cs.wisc.edu/~ghost/</ulink>
+      </para>
+     </listitem>
+    </itemizedlist>
+    This option is primarily intended for use by packagers of qpdf so
+    that they can avoid having the qpdf packages depend on tiff and
+    ghostscript software.
+   </para>
+   <para>
+    If Adobe Reader is installed as <command>acroread</command>, some
+    additional test cases will be enabled.  These test cases simply
+    verify that Adobe Reader can open the files that qpdf creates.
+    They require version 8.0 or newer to pass.  However, in order to
+    avoid having qpdf depend on non-free (as in liberty) software, the
+    test suite will still pass without Adobe reader, and the test
+    suite still exercises the full functionality of the software.
+   </para>
+   <para>
+    Pre-built documentation is distributed with qpdf, so you should
+    generally not need to rebuild the documentation.  In order to
+    build the documentation from its docbook sources, you need the
+    docbook XML style sheets (<ulink
+    url="http://downloads.sourceforge.net/docbook/">http://downloads.sourceforge.net/docbook/</ulink>).
+    To build the PDF version of the documentation, you need Apache fop
+    (<ulink
+    url="http://xml.apache.org/fop/">http://xml.apache.org/fop/</ulink>)
+    version 0.94 of higher.
+   </para>
+  </sect1>
+  <sect1 id="ref.building">
+   <title>Build Instructions</title>
+   <para>
+    Building qpdf on UNIX is generally just a matter of running
+
+    <programlisting>./configure
+make
+</programlisting>
+    You can also run <command>make check</command> to run the test
+    suite and <command>make install</command> to install.  Please run
+    <command>./configure --help</command> for options on what can be
+    configured.  You can also set the value of
+    <varname>DESTDIR</varname> during installation to install to a
+    temporary location, as is common with many open source packages.
+    Please see also the <filename>README</filename> and
+    <filename>INSTALL</filename> files in the source distribution.
+   </para>
+   <para>
+    There is currently no support for building qpdf on Windows.  The
+    code is reasonably portable, however, and making it work on
+    Windows would probably be reasonably straightforward.  A
+    significant amount of the code in QPDF has been known to work on
+    Windows in the past.
+   </para>
+   <para>
+    There are some other things you can do with the build.  Although
+    qpdf uses <application>autoconf</application>, it does not use
+    <application>automake</application> but instead uses a
+    hand-crafted non-recursive Makefile that requires gnu make.  If
+    you're really interested, please read the comments in the
+    top-level <filename>Makefile</filename>.
+   </para>
+  </sect1>
+ </chapter>
+ <chapter id="ref.using">
+  <title>Running QPDF</title>
+  <para>
+   This chapter describes how to run the qpdf program from the command
+   line.
+  </para>
+  <sect1 id="ref.invocation">
+   <title>Basic Invocation</title>
+   <para>
+    When running qpdf, the basic invocation is as follows:
+
+    <programlisting><command>qpdf</command><option> [ <replaceable>options</replaceable> ] <replaceable>infilename</replaceable> [ <replaceable>outfilename</replaceable> ]</option>
+</programlisting>
+    This converts PDF file <option>infilename</option> to PDF file
+    <option>outfilename</option>.  The output file is functionally
+    identical to the input file but may have been structurally
+    reorganized.  Also, orphaned objects will be removed from the
+    file.  Many transformations are available as controlled by the
+    options below.
+   </para>
+   <para>
+    <option>outfilename</option> does not have to be seekable, even
+    when generating linearized files.  Specifying
+    &ldquo;<option>-</option>&rdquo; as <option>outfilename</option>
+    means to write to standard output.
+   </para>
+   <para>
+    Most options require an output file, but some testing or
+    inspection commands do not.  These are specifically noted.
+   </para>
+  </sect1>
+  <sect1 id="ref.basic-options">
+   <title>Basic Options</title>
+   <para>
+    The following options are the most common ones and perform
+    commonly needed transformations.
+    <variablelist>
+     <varlistentry>
+      <term><option>--password=password</option></term>
+      <listitem>
+       <para>
+        Specifies a password for accessing encrypted files.
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term><option>--linearize</option></term>
+      <listitem>
+       <para>
+        Causes generation of a linearized (web optimized) output file.
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term><option>--encrypt options --</option></term>
+      <listitem>
+       <para>
+        Causes generation an encrypted output file.  Please see <xref
+        linkend="ref.encryption-options"/> for details on how to
+        specify encryption parameters.
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term><option>--decrypt</option></term>
+      <listitem>
+       <para>
+        Removes any encryption on the file.  A password must be
+        supplied if the file is password protected.
+       </para>
+      </listitem>
+     </varlistentry>
+    </variablelist>
+   </para>
+   <para>
+    Password-protected files may be opened by specifying a password.
+    By default, qpdf will preserve any encryption data associated with
+    a file.  If <option>--decrypt</option> is specified, qpdf will
+    attempt to remove any encryption information.  If
+    <option>--encrypt</option> is specified, qpdf will replace the
+    document's encryption parameters with whatever is specified.
+   </para>
+   <para>
+    Note that qpdf does not obey encryption restrictions already
+    imposed on the file.  Doing so would be meaningless since qpdf can
+    be used to remove encryption from the file entirely.  This
+    functionality is not intended to be used for bypassing copyright
+    restrictions or other restrictions placed on files by their
+    producers.
+   </para>
+  </sect1>
+  <sect1 id="ref.encryption-options">
+   <title>Encryption Options</title>
+   <para>
+    To change the encryption parameters of a file, use the --encrypt
+    flag.  The syntax is
+
+    <programlisting><option>--encrypt <replaceable>user-password</replaceable> <replaceable>owner-password</replaceable> <replaceable>key-length</replaceable> [ <replaceable>restrictions</replaceable> ] --</option>
+</programlisting>
+    Note that &ldquo;<option>--</option>&rdquo; terminates parsing of
+    encryption flags and must be present even if no restrictions are
+    present.
+   </para>
+   <para>
+    Either or both of the user password and the owner password may be
+    empty strings.
+   </para>
+   <para>
+    The value for
+    <option><replaceable>key-length</replaceable></option> may be 40
+    or 128.  The restriction flags are dependent upon key length.
+    When no additional restrictions are given, the default is to be
+    fully permissive.
+   </para>
+   <para>
+    If <option><replaceable>key-length</replaceable></option> is 40,
+    the following restriction options are available:
+    <variablelist>
+     <varlistentry>
+      <term><option>--print=[yn]</option></term>
+      <listitem>
+       <para>
+        Determines whether or not to allow printing.
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term><option>--modify=[yn]</option></term>
+      <listitem>
+       <para>
+        Determines whether or not to allow document modification.
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term><option>--extract=[yn]</option></term>
+      <listitem>
+       <para>
+        Determines whether or not to allow text/image extraction.
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term><option>--annotate=[yn]</option></term>
+      <listitem>
+       <para>
+        Determines whether or not to allow comments and form fill-in
+        and signing.
+       </para>
+      </listitem>
+     </varlistentry>
+    </variablelist>
+    If <option><replaceable>key-length</replaceable></option> is 128,
+    the following restriction options are available:
+    <variablelist>
+     <varlistentry>
+      <term><option>--accessibility=[yn]</option></term>
+      <listitem>
+       <para>
+        Determines whether or not to allow accessibility to visually
+        impaired.
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term><option>--extract=[yn]</option></term>
+      <listitem>
+       <para>
+        Determines whether or not to allow text/graphic extraction.
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term><option>--print=<replaceable>print-opt</replaceable></option></term>
+      <listitem>
+       <para>
+        Controls printing access.
+        <option><replaceable>print-opt</replaceable></option> may be
+        one of the following:
+        <itemizedlist>
+         <listitem>
+          <para>
+           <option>full</option>: allow full printing
+          </para>
+         </listitem>
+         <listitem>
+          <para>
+           <option>low</option>: allow low-resolution printing only
+          </para>
+         </listitem>
+         <listitem>
+          <para>
+           <option>none</option>: disallow printing
+          </para>
+         </listitem>
+        </itemizedlist>
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term><option>--modify=<replaceable>modify-opt</replaceable></option></term>
+      <listitem>
+       <para>
+        Controls modify access.
+        <option><replaceable>modify-opt</replaceable></option> may be
+        one of the following:
+        <itemizedlist>
+         <listitem>
+          <para>
+           <option>all</option>: allow full document modification
+          </para>
+         </listitem>
+         <listitem>
+          <para>
+           <option>annotate</option>: allow comment authoring and form operations
+          </para>
+         </listitem>
+         <listitem>
+          <para>
+           <option>form</option>: allow form field fill-in and signing
+          </para>
+         </listitem>
+         <listitem>
+          <para>
+           <option>assembly</option>: allow document assembly only
+          </para>
+         </listitem>
+         <listitem>
+          <para>
+           <option>none</option>: allow no modifications
+          </para>
+         </listitem>
+        </itemizedlist>
+       </para>
+      </listitem>
+     </varlistentry>
+    </variablelist>
+    The default for each permission option is to be fully permissive.
+   </para>
+  </sect1>
+  <sect1 id="ref.advanced-transformation">
+   <title>Advanced Transformation Options</title>
+   <para>
+    These transformation options control fine points of how qpdf
+    creates the output file.  Mostly these are of use only to people
+    who are very familiar with the PDF file format or who are PDF
+    developers.  The following options are available:
+    <variablelist>
+     <varlistentry>
+      <term><option>--stream-data=<replaceable>option</replaceable></option></term>
+      <listitem>
+       <para>
+        Controls transformation of stream data.  The value of
+        <option><replaceable>option</replaceable></option> may be one
+        of the following:
+        <itemizedlist>
+         <listitem>
+          <para>
+           <option>compress</option>: recompress stream data when
+           possible (default)
+          </para>
+         </listitem>
+         <listitem>
+          <para>
+           <option>preserve</option>: leave all stream data as is
+          </para>
+         </listitem>
+         <listitem>
+          <para>
+           <option>uncompress</option>: uncompress stream data when
+           possible
+          </para>
+         </listitem>
+        </itemizedlist>
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term><option>--normalize-content=[yn]</option></term>
+      <listitem>
+       <para>
+        Enables or disables normalization of content streams.
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term><option>--suppress-recovery</option></term>
+      <listitem>
+       <para>
+        Prevents qpdf from attempting to recover damaged files.
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term><option>--object-streams=<replaceable>mode</replaceable></option></term>
+      <listitem>
+       <para>
+        Controls handing of object streams.  The value of
+        <option><replaceable>mode</replaceable></option> may be one of
+        the following:
+        <itemizedlist>
+         <listitem>
+          <para>
+           <option>preserve</option>: preserve original object streams
+           (default)
+          </para>
+         </listitem>
+         <listitem>
+          <para>
+           <option>disable</option>: don't write any object streams
+          </para>
+         </listitem>
+         <listitem>
+          <para>
+           <option>generate</option>: use object streams wherever
+           possible
+          </para>
+         </listitem>
+        </itemizedlist>
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term><option>--ignore-xref-streams</option></term>
+      <listitem>
+       <para>
+        Tells qpdf to ignore any cross-reference streams.
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term><option>--qdf</option></term>
+      <listitem>
+       <para>
+        Turns on QDF mode.  For additional information on QDF, please
+        see <xref linkend="ref.qdf"/>.
+       </para>
+      </listitem>
+     </varlistentry>
+    </variablelist>
+   </para>
+   <para>
+    By default, when a stream is encoded using non-lossy filters that
+    qpdf understands and is not already compressed using a good
+    compression scheme, qpdf will uncompress and recompress streams.
+    Assuming proper filter implements, this is safe and generally
+    results in smaller files.  This behavior may also be explicitly
+    requested with <option>--stream-data=compress</option>.
+   </para>
+   <para>
+    When <option>--stream-data=preserve</option> is specified, qpdf
+    will never attempt to change the filtering of any stream data.
+   </para>
+   <para>
+    When <option>--stream-data=uncompress</option> is specified, qpdf
+    will attempt to remove any non-lossy filters that it supports.
+    This includes <literal>/FlateDecode</literal>,
+    <literal>/LZWDecode</literal>, <literal>/ASCII85Decode</literal>,
+    and <literal>/ASCIIHexDecode</literal>.  This can be very useful
+    for inspecting the contents of various streams.
+   </para>
+   <para>
+    When <option>--normalize-content=y</option> is specified, qpdf
+    will attempt to normalize whitespace and newlines in page content
+    streams.  This is generally safe but could, in some cases, cause
+    damage to the content streams.  This option is intended for people
+    who wish to study PDF content streams or to debug PDF content.
+    You should not use this for &ldquo;production&rdquo; PDF files.
+   </para>
+   <para>
+    Ordinarily, qpdf will attempt to recover from certain types of
+    errors in PDF files.  These include errors in the cross-reference
+    table, certain types of object numbering errors, and certain types
+    of stream length errors.  Sometimes, qpdf may think it has
+    recovered but may not have actually recovered, so care should be
+    taken when using this option as some data loss is possible.  The
+    <option>--suppress-recovery</option> option will prevent qpdf from
+    attempting recovery.  In this case, it will fail on the first
+    error that it encounters.
+   </para>
+   <para>
+    Object streams, also known as compressed objects, were introduced
+    into the PDF specification at version 1.5, corresponding to
+    Acrobat 6.  Some older PDF viewers may not support files with
+    object streams.  qpdf can be used to transform files with object
+    streams to files without object streams or vice versa.  As
+    mentioned above, there are three object stream modes:
+    <option>preserve</option>, <option>disable</option>, and
+    <option>generate</option>.
+   </para>
+   <para>
+    In <option>preserve</option> mode, the relationship to objects and
+    the streams that contain them is preserved from the original file.
+    In <option>disable</option> mode, all objects are written as
+    regular, uncompressed objects.  The resulting file should be
+    readable by older PDF viewers.  (Of course, the content of the
+    files may include features not supported by older viewers, but at
+    least the structure will be supported.)  In
+    <option>generate</option> mode, qpdf will create its own object
+    streams.  This will usually result in more compact PDF files,
+    though they may not be readable by older viewers.  In this mode,
+    qpdf will also make sure the PDF version number in the header is
+    at least 1.5.
+   </para>
+   <para>
+    Ordinarily, qpdf reads cross-reference streams when they are
+    present in a PDF file.  If <option>--ignore-xref-streams</option>
+    is specified, qpdf will ignore any cross-reference streams for
+    hybrid PDF files.  The purpose of hybrid files is to make some
+    content available to viewers that are not aware of cross-reference
+    streams.  It is almost never desirable to ignore them.  The only
+    time when you might want to use this feature is if you are testing
+    creation of hybrid PDF files and wish to see how a PDF consumer
+    that doesn't understand object and cross-reference streams would
+    interpret such a file.
+   </para>
+   <para>
+    The <option>--qdf</option> flag turns on QDF mode, which changes
+    some of the defaults described above.  Specifically, in QDF mode,
+    by default, stream data is uncompressed, content streams are
+    normalized, and encryption is removed.  These defaults can still
+    be overridden by specifying the appropriate options as described
+    above.  Additionally, in QDF mode, stream lengths are stored as
+    indirect objects, objects are laid out in a less efficient but
+    more readable fashion, and the documents are interspersed with
+    comments that make it easier for the user to find things and also
+    make it possible for <command>fix-qdf</command> to work properly.
+    QDF mode is intended for people, mostly developers, who wish to
+    inspect or modify PDF files in a text editor.  For details, please
+    see <xref linkend="ref.qdf"/>.
+   </para>
+  </sect1>
+  <sect1 id="ref.testing-options">
+   <title>Testing, Inspection, and Debugging Options</title>
+   <para>
+    These options can be useful for digging into PDF files or for use
+    in automated test suites for software that uses the qpdf library.
+    When any of the options in this section are specified, no output
+    file should be given.  The following options are available:
+    <variablelist>
+     <varlistentry>
+      <term><option>--static-id</option></term>
+      <listitem>
+       <para>
+        Causes generation of a fixed value for /ID.  This is intended
+        for testing only.  Never use it for production files.
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term><option>-show-encryption</option></term>
+      <listitem>
+       <para>
+        Shows document encryption parameters.  Also shows the
+        document's user password if the owner password is given.
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term><option>-check-linearization</option></term>
+      <listitem>
+       <para>
+        Checks file integrity and linearization status.
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term><option>-show-linearization</option></term>
+      <listitem>
+       <para>
+        Checks and displays all data in the linearization hint tables.
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term><option>-show-xref</option></term>
+      <listitem>
+       <para>
+        Shows the contents of the cross-reference table in a
+        human-readable form.  This is especially useful for files with
+        cross-reference streams which are stored in a binary format.
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term><option>-show-object=obj[,gen]</option></term>
+      <listitem>
+       <para>
+        Show the contents of the given object.  This is especially
+        useful for inspecting objects that are inside of object
+        streams (also known as &ldquo;compressed objects&rdquo;).
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term><option>-raw-stream-data</option></term>
+      <listitem>
+       <para>
+        When used along with the <option>--show-object</option>
+        option, if the object is a stream, shows the raw stream data
+        instead of object's contents.
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term><option>-filtered-stream-data</option></term>
+      <listitem>
+       <para>
+        When used along with the <option>--show-object</option>
+        option, if the object is a stream, shows the filtered stream
+        data instead of object's contents.  If the stream is filtered
+        using filters that qpdf does not support, an error will be
+        issued.
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term><option>-show-pages</option></term>
+      <listitem>
+       <para>
+        Shows the object and generation number for each page
+        dictionary object and for each content stream associated with
+        the page.  Having this information makes it more convenient to
+        inspect objects from a particular page.
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term><option>-with-images</option></term>
+      <listitem>
+       <para>
+        When used along with <option>--show-pages</option>, also shows
+        the object and generation numbers for the image objects on
+        each page.  (At present, information about images in shared
+        resource dictionaries are not output by this command.  This is
+        discussed in a comment in the source code.)
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term><option>-check</option></term>
+      <listitem>
+       <para>
+        Checks file structure and well as encryption and
+        linearization.  A file for which <option>--check</option>
+        reports no errors may still have errors in stream data but
+        should otherwise be otherwise structurally sound.
+       </para>
+      </listitem>
+     </varlistentry>
+    </variablelist>
+   </para>
+   <para>
+    The <option>--raw-stream-data</option> and
+    <option>--filtered-stream-data</option> options are ignored unless
+    <option>--show-object</option> is given.  Either of these options
+    will cause the stream data to be written to standard output.  In
+    order to avoid commingling of stream data with other output, it is
+    recommend that these objects not be combined with other
+    test/inspection options.
+   </para>
+   <para>
+    If <option>--filtered-stream-data</option> is given and
+    <option>--normalize-content=y</option> is also given, qpdf will
+    attempt to normalize the stream data as if it is a page content
+    stream.  This attempt will be made even if it is not a page
+    content stream, in which case it will produce unusuable results.
+   </para>
+  </sect1>
+ </chapter>
+ <chapter id="ref.qdf">
+  <title>QDF Mode</title>
+  <para>
+   In QDF mode, qpdf creates PDF files in what we call <firstterm>QDF
+   form</firstterm>.  A PDF file in QDF form, sometimes called a QDF
+   file, is a completely valid PDF file that has
+   <literal>%QDF-1.0</literal> as its third line (after the pdf header
+   and binary characters) and has certain other characteristics.  The
+   purpose of QDF form is to make it possible to edit PDF files, with
+   some restrictions, in an ordinary text editor.  This can be very
+   useful for experimenting with different PDF constructs or for
+   making one-off edits to PDF files (though there are other reasons
+   why this may not always work).
+  </para>
+  <para>
+   It is ordinarily very difficult to edit PDF files in a text editor
+   for two reasons: most meaningful data in PDF files is compressed,
+   and PDF files are full of offset and length information that makes
+   it hard to add or remove data.  A QDF file is organized in a manner
+   such that, if edits are kept within certain constraints, the
+   <command>fix-qdf</command> program, distributed with qpdf, is able
+   to restore edited files to a correct state.  The
+   <command>fix-qdf</command> program takes no command-line
+   arguments.  It reads a possibly edited QDF file from standard input
+   and writes a repaired file to standard output.
+  </para>
+  <para>
+   The following attributes characterize a QDF file:
+   <itemizedlist>
+    <listitem>
+     <para>
+      All objects appear in numerical order in the PDF file, including
+      when objects appear in object streams.
+     </para>
+    </listitem>
+    <listitem>
+     <para>
+      Objects are printed in an easy-to-read format, and all line
+      endings are normalized to UNIX line endings.
+     </para>
+    </listitem>
+    <listitem>
+     <para>
+      Unless specifically overridden, streams appear uncompressed
+      (when qpdf supports the filters and they are compressed with a
+      non-lossy compression scheme), and most content streams are
+      normalized (line endings are converted to just a UNIX-style
+      linefeeds).
+     </para>
+    </listitem>
+    <listitem>
+     <para>
+      All streams lengths are represented as indirect objects, and the
+      stream length object is always the next object after the stream.
+      If the stream data does not end with a newline, an extra newline
+      is inserted, and a special comment appears after the stream
+      indicating that this has been done.
+     </para>
+    </listitem>
+    <listitem>
+     <para>
+      If the PDF file contains object streams, if object stream
+      <emphasis>n</emphasis> contains <emphasis>k</emphasis> objects,
+      those objects are numbered from <emphasis>n+1</emphasis> through
+      <emphasis>n+k</emphasis>, and the object number/offset pairs
+      appear on a separate line for each object.  Additionally, each
+      object in the object stream is preceded by a comment indicating
+      its object number and index.  This makes it very easy to find
+      objects in object streams.
+     </para>
+    </listitem>
+    <listitem>
+     <para>
+      All beginnings of objects, <literal>stream</literal> tokens,
+      <literal>endstream</literal> tokens, and
+      <literal>endobj</literal> tokens appear on lines by themselves.
+      A blank line follows every <literal>endobj</literal> token.
+     </para>
+    </listitem>
+    <listitem>
+     <para>
+      If there is a cross-reference stream, it is unfiltered.
+     </para>
+    </listitem>
+    <listitem>
+     <para>
+      Page dictionaries and page content streams are marked with
+      special comments that make them easy to find.
+     </para>
+    </listitem>
+   </itemizedlist>
+  </para>
+  <para>
+   When editing a QDF file, any edits can be made as long as the above
+   constraints are maintained.  This means that you can freely edit a
+   page's content without worrying about messing up the QDF file.  It
+   is also possible to add new objects so long as those objects are
+   added after the last object in the file or subsequent objects are
+   renumbered.  If a QDF file has object streams in it, you can always
+   add the new objects before the xref stream and then change the
+   number of the xref stream, since nothing generally ever references
+   it by number.
+  </para>
+  <para>
+   It is not generally practical to remove objects from QDF files
+   without messing up object numbering, but if you remove all
+   references to an object, you can run qpdf on the file (after
+   running <command>fix-qdf</command>), and qpdf will omit the
+   now-orphaned object.
+  </para>
+  <para>
+   When <command>fix-qdf</command> is run, it goes through the file
+   and recomputes the following parts of the file:
+   <itemizedlist>
+    <listitem>
+     <para>
+      the <literal>/N</literal>, <literal>/W</literal>, and
+      <literal>/First</literal> keys of all object stream dictionaries
+     </para>
+    </listitem>
+    <listitem>
+     <para>
+      the pairs of numbers representing object numbers and offsets of
+      objects in object streams
+     </para>
+    </listitem>
+    <listitem>
+     <para>
+      all stream lengths
+     </para>
+    </listitem>
+    <listitem>
+     <para>
+      the cross-reference table or cross-reference stream
+     </para>
+    </listitem>
+    <listitem>
+     <para>
+      the offset to the cross-reference table or cross-reference
+      stream following the <literal>startxref</literal> token
+     </para>
+    </listitem>
+   </itemizedlist>
+  </para>
+ </chapter>
+ <chapter id="ref.using-library">
+  <title>Using the QPDF Library</title>
+   <para>
+    The source tree for the qpdf package has an
+    <filename>examples</filename> directory that contains a few
+    example programs.  The <filename>qpdf/qpdf.cc</filename> source
+    file also serves as a useful example since it exercises almost all
+    of the qpdf library's public interface.  The best source of
+    documentation on the library itself is reading comments in
+    <filename>include/qpdf/QPDF.hh</filename>,
+    <filename>include/qpdf/QDFWriter.hh</filename>, and
+    <filename>include/qpdf/QPDFObjectHandle.hh</filename>.
+   </para>
+   <para>
+    All header files are installed in the <filename>include/qpdf</filename> directory.  It
+    is recommend that you use <literal>#include
+    &lt;qpdf/QPDF.hh&gt;</literal> rather than adding
+    <filename>include/qpdf</filename> to your include path.
+   </para>
+   <para>
+    When linking against the qpdf library, you may also need to
+    specify <literal>-lpcre -lz</literal> on your link command.  If
+    your system understands how to read libtool
+    <filename>.la</filename> files, this may not be necessary.
+   </para>
+ </chapter>
+ <chapter id="ref.design">
+  <title>Design and Library Notes</title>
+  <sect1 id="ref.design.intro">
+   <title>Introduction</title>
+   <para>
+    This section was written prior to the implementation of the qpdf
+    package and was subsequently modified to reflect the
+    implementation.  In some cases, for purposes of explanation, it
+    may differ slightly from the actual implementation.  As always,
+    the source code and test suite are authoritative.  Even if there
+    are some errors, this document should serve as a road map to
+    understanding how this code works.
+   </para>
+   <para>
+    In general, one should adhere strictly to a specification when
+    writing but be liberal in reading.  This way, the product of our
+    software will be accepted by the widest range of other programs,
+    and we will accept the widest range of input files.  This library
+    attempts to conform to that philosophy whenever possible but also
+    aims to provide strict checking for people who want to validate
+    PDF files.  If you don't want to see warnings and are trying to
+    write something that is tolerant, you can call
+    <literal>setSuppressWarnings(true)</literal>.  If you want to fail
+    on the first error, you can call
+    <literal>setAttemptRecovery(false)</literal>.  The default
+    behavior is to generating warnings for recoverable problems.  Note
+    that recovery will not always produce the desired results even if
+    it is able to get through the file.  Unlike most other PDF files
+    that produce generic warnings such as &ldquo;This file is
+    damaged,&rdquo;, qpdf generally issues a detailed error message
+    that would be most useful to a PDF developer.  This is by design
+    as there seems to be a shortage of PDF validation tools out
+    there.  (This was, in fact, one of the major motivations behind
+    the initial creation of qpdf.)
+   </para>
+  </sect1>
+  <sect1 id="ref.design-goals">
+   <title>Design Goals</title>
+   <para>
+    The QPDF package includes support for reading and rewriting PDF
+    files.  It aims to hide from the user details involving object
+    locations, modified (appended) PDF files, the
+    directness/indirectness of objects, and stream filters including
+    encryption.  It does not aim to hide knowledge of the object
+    hierarchy or content stream contents.  Put another way, a user of
+    the qpdf library is expected to have knowledge about how PDF files
+    work, but is not expected to have to keep track of bookkeeping
+    details such as file positions.
+   </para>
+   <para>
+    A user of the library never has to care whether an object is
+    direct or indirect.  All access to objects deals with this
+    transparently.  All memory management details are also handled by
+    the library.
+   </para>
+   <para>
+    The <classname>PointerHolder</classname> object is used internally
+    by the library to deal with memory management.  This is basically
+    a smart pointer object very similar in spirit to the Boost
+    library's <classname>shared_ptr</classname> object, but predating
+    it by several years.  This library also makes use of a technique
+    for giving fine-grained access to methods in one class to other
+    classes by using public subclasses with friends and only private
+    members that in turn call private methods of the containing class.
+    See <classname>QPDFObjectHandle::Factory</classname> as an
+    example.
+   </para>
+   <para>
+    The top-level qpdf class is <classname>QPDF</classname>.  A
+    <classname>QPDF</classname> object represents a PDF file.  The
+    library provides methods for both accessing and mutating PDF
+    files.
+   </para>
+   <para>
+    <classname>QPDFObject</classname> is the basic PDF Object class.
+    It is an abstract base class from which are derived classes for
+    each type of PDF object.  Clients do not interact with Objects
+    directly but instead interact with
+    <classname>QPDFObjectHandle</classname>.
+   </para>
+   <para>
+    <classname>QPDFObjectHandle</classname> contains
+    <classname>PointerHolder&lt;QPDFObject&gt;</classname> and
+    includes accessor methods that are type-safe proxies to the
+    methods of the derived object classes as well as methods for
+    querying object types.  They can be passed around by value,
+    copied, stored in containers, etc. with very low overhead.
+    Instances of <classname>QPDFObjectHandle</classname> always
+    contain a reference back to the <classname>QPDF</classname> object
+    from which they were created.  A
+    <classname>QPDFObjectHandle</classname> may be direct or indirect.
+    If indirect, the <classname>QPDFObject</classname> the
+    <classname>PointerHolder</classname> initially points to is a null
+    pointer.  In this case, the first attempt to access the underlying
+    <classname>QPDFObject</classname> will result in the
+    <classname>QPDFObject</classname> being resolved via a call to the
+    referenced <classname>QPDF</classname> instance.  This makes it
+    essentially impossible to make coding errors in which certain
+    things will work for some PDF files and not for others based on
+    which objects are direct and which objects are indirect.
+   </para>
+   <para>
+    There is no public interface for creating instances of
+    QPDFObjectHandle.  They can be created only inside the QPDF
+    library.  This is generally done through a call to the private
+    method <function>QPDF::readObject</function> which uses
+    <classname>QPDFTokenizer</classname> to read an indirect object at
+    a given file position and return a
+    <classname>QPDFObjectHandle</classname> that encapsulates it.
+    There are also internal methods to create fabricated indirect
+    objects from existing direct objects or to change an indirect
+    object into a direct object, though these steps are not performed
+    except to support rewriting.
+   </para>
+   <para>
+    When the <classname>QPDF</classname> class creates a new object,
+    it dynamically allocates the appropriate type of
+    <classname>QPDFObject</classname> and immediately hands the
+    pointer to an instance of <classname>QPDFObjectHandle</classname>.
+    The parser reads a token from the current file position.  If the
+    token is a not either a dictionary or array opener, an object is
+    immediately constructed from the single token and the parser
+    returns.  Otherwise, the parser is invoked recursively in a
+    special mode in which it accumulates objects until it finds a
+    balancing closer.  During this process, the
+    &ldquo;<literal>R</literal>&rdquo; keyword is recognized and an
+    indirect <classname>QPDFObjectHandle</classname> may be
+    constructed.
+   </para>
+   <para>
+    The <function>QPDF::resolve()</function> method, which is used to
+    resolve an indirect object, may be invoked from the
+    <classname>QPDFObjectHandle</classname> class.  It first checks a
+    cache to see whether this object has already been read.  If not,
+    it reads the object from the PDF file and caches it.  It the
+    returns the resulting <classname>QPDFObjectHandle</classname>.
+    The calling object handle then replaces its
+    <classname>PointerHolder&lt;QDFObject&gt;</classname> with the one
+    from the newly returned <classname>QPDFObjectHandle</classname>.
+    In this way, only a single copy of any direct object need exist
+    and clients can access objects transparently without knowing
+    caring whether they are direct or indirect objects.  Additionally,
+    no object is ever read from the file more than once.  That means
+    that only the portions of the PDF file that are actually needed
+    are ever read from the input file, thus allowing the qpdf package
+    to take advantage of this important design goal of PDF files.
+   </para>
+   <para>
+    If the requested object is inside of an object stream, the object
+    stream itself is first read into memory.  Then the tokenizer reads
+    objects from the memory stream based on the offset information
+    stored in the stream.  Those individual objects are cached, after
+    which the temporary buffer holding the object stream contents are
+    discarded.  In this way, the first time an object in an object
+    stream is requested, all objects in the stream are cached.
+   </para>
+   <para>
+    An instance of <classname>QPDF</classname> is constructed by using
+    the class's default constructor.  If desired, the
+    <classname>QPDF</classname> object may be configured with various
+    methods that change its default behavior.  Then the
+    <function>QPDF::processFile()</function> method is passed the name
+    of a PDF file, which permanently associates the file with that
+    QPDF object.  A password may also be given for access to
+    password-protected files.  QPDF does not enforce encryption
+    parameters and will treat user and owner passwords equivalently.
+    Either password may be used to access an encrypted file.
+    <footnote>
+     <para>
+      As pointed out earlier, the intention is not for qpdf to be used
+      to bypass security on files. but as any open source PDF consumer
+      may be easily modified to bypass basic PDF document security,
+      and qpdf offers may transformations that can do this as well,
+      there seems to be little point in the added complexity of
+      conditionally enforcing document security.
+     </para>
+    </footnote>
+    <classname>QPDF</classname> will allow recovery of a user password
+    given an owner password.  The input PDF file must be seekable.
+    (Output files written by <classname>QPDFWriter</classname> need
+    not be seekable, even when creating linearized files.)  During
+    construction, <classname>QPDF</classname> validates the PDF file's
+    header, and then reads the cross reference tables and trailer
+    dictionaries.  The <classname>QPDF</classname> class keeps only
+    the first trailer dictionary though it does read all of them so it
+    can check the <literal>/Prev</literal> key.
+    <classname>QPDF</classname> class users may request the root
+    object and the trailer dictionary specifically.  The cross
+    reference table is kept private.  Objects may then be requested by
+    number of by walking the object tree.
+   </para>
+   <para>
+    When a PDF file has a cross-reference stream instead of a
+    cross-reference table and trailer, requesting the document's
+    trailer dictionary returns the stream dictionary from the
+    cross-reference stream instead.
+   </para>
+   <para>
+    There are some convenience routines for very common operations
+    such as walking the page tree and returning a vector of all page
+    objects.  For full details, please see the header file
+    <filename>QPDF.hh</filename>.
+   </para>
+   <para>
+    The following example should clarify how
+    <classname>QPDF</classname> processes a simple file.
+    <itemizedlist>
+     <listitem>
+      <para>
+       Client constructs <classname>QPDF</classname>
+       <varname>pdf</varname> and calls
+       <function>pdf.processFile("a.pdf");</function>.
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       The <classname>QPDF</classname> class checks the beginning of
+       <filename>a.pdf</filename> for
+       <literal>%!PDF-1.[0-9]+</literal>.  It then reads the cross
+       reference table mentioned at the end of the file, ensuring that
+       it is looking before the last <literal>%%EOF</literal>.  After
+       getting to <literal>trailer</literal> keyword, it invokes the
+       parser.
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       The parser sees &ldquo;<literal>&lt;&lt;</literal>&rdquo;, so
+       it calls itself recursively in dictionary creation mode.
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       In dictionary creation mode, the parser keeps accumulating
+       objects until it encounters
+       &ldquo;<literal>&gt;&gt;</literal>&rdquo;.  Each object that is
+       read is pushed onto a stack.  If
+       &ldquo;<literal>R</literal>&rdquo; is read, the last two
+       objects on the stack are inspected.  If they are integers, they
+       are popped off the stack and their values are used to construct
+       an indirect object handle which is then pushed onto the stack.
+       When &ldquo;<literal>&gt;&gt;</literal>&rdquo; is finally read,
+       the stack is converted into a
+       <classname>QPDF_Dictionary</classname> which is placed in a
+       <classname>QPDFObjectHandle</classname> and returned.
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       The resulting dictionary is saved as the trailer dictionary.
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       The <literal>/Prev</literal> key is searched.  If present,
+       <classname>QPDF</classname> seeks to that point and repeats
+       except that the new trailer dictionary is not saved.  If
+       <literal>/Prev</literal> is not present, the initial parsing
+       process is complete.
+      </para>
+      <para>
+       If there is an encryption dictionary, the document's encryption
+       parameters are initialized.
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       The client requests root object.  The
+       <classname>QPDF</classname> class gets the value of root key
+       from trailer dictionary and returns it.  It is an unresolved
+       indirect <classname>QPDFObjectHandle</classname>.
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       The client requests the <literal>/Pages</literal> key from root
+       <classname>QPDFObjectHandle</classname>.  The
+       <classname>QPDFObjectHandle</classname> notices that it is
+       indirect so it asks <classname>QPDF</classname> to resolve it.
+       <classname>QPDF</classname> looks in the object cache for an
+       object with the root dictionary's object ID and generation
+       number.  Upon not seeing it, it checks the cross reference
+       table, gets the offset, and reads the object present at that
+       offset.  It stores the result in the object cache and returns
+       the cached result.  The calling
+       <classname>QPDFObjectHandle</classname> replaces its object
+       pointer with the one from the resolved
+       <classname>QPDFObjectHandle</classname>, verifies that it a
+       valid dictionary object, and returns the (unresolved indirect)
+       <classname>QPDFObject</classname> handle to the top of the
+       Pages hierarchy.
+      </para>
+      <para>
+       As the client continues to request objects, the same process is
+       followed for each new requested object.
+      </para>
+     </listitem>
+    </itemizedlist>
+   </para>
+  </sect1>
+  <sect1 id="ref.encryption">
+   <title>Encryption</title>
+   <para>
+    Encryption is supported transparently by qpdf.  When opening a PDF
+    file, if an encryption dictionary exists, the
+    <classname>QPDF</classname> object processes this dictionary using
+    the password (if any) provided.  The primary decryption key is
+    computed and cached.  No further access is made to the encryption
+    dictionary after that time.  When an object is read from a file,
+    the object ID and generation of the object in which it is
+    contained is always known.  Using this information along with the
+    stored encryption key, all stream and string objects are
+    transparently decrypted.  Raw encrypted objects are never stored
+    in memory.  This way, nothing in the library ever has to know or
+    care whether it is reading an encrypted file.
+   </para>
+   <para>
+    An interface is also provided for writing encrypted streams and
+    strings given an encryption key.  This is used by
+    <classname>QPDFWriter</classname> when it rewrites encrypted
+    files.
+   </para>
+  </sect1>
+  <sect1 id="ref.rewriting">
+   <title>Writing PDF Files</title>
+   <para>
+    The qpdf library supports file writing of
+    <classname>QPDF</classname> objects to PDF files through the
+    <classname>QPDFWriter</classname> class.  The
+    <classname>QPDFWriter</classname> class has two writing modes: one
+    for non-linearized files, and one for linearized files.  See <xref
+    linkend="ref.linearization"/> for a description of linearization
+    is implemented.  This section describes how we write
+    non-linearized files including the creation of QDF files (see
+    <xref linkend="ref.qdf"/>.
+   </para>
+   <para>
+    This outline was written prior to implementation and is not
+    exactly accurate, but it provides a correct &ldquo;notional&rdquo;
+    idea of how writing works.  Look at the code in
+    <classname>QPDFWriter</classname> for exact details.
+    <itemizedlist>
+     <listitem>
+      <para>
+       Initialize state:
+       <itemizedlist>
+        <listitem>
+         <para>
+          next object number = 1
+         </para>
+        </listitem>
+        <listitem>
+         <para>
+          object queue = empty
+         </para>
+        </listitem>
+        <listitem>
+         <para>
+          renumber table: old object id/generation to new id/0 = empty
+         </para>
+        </listitem>
+        <listitem>
+         <para>
+          xref table: new id -> offset = empty
+         </para>
+        </listitem>
+       </itemizedlist>
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       Create a QPDF object from a file.
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       Write header for new PDF file.
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       Request the trailer dictionary.
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       For each value that is an indirect object, grab the next object
+       number (via an operation that returns and increments the
+       number).  Map object to new number in renumber table.  Push
+       object onto queue.
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       While there are more objects on the queue:
+       <itemizedlist>
+        <listitem>
+         <para>
+          Pop queue.
+         </para>
+        </listitem>
+        <listitem>
+         <para>
+          Look up object's new number <emphasis>n</emphasis> in the
+          renumbering table.
+         </para>
+        </listitem>
+        <listitem>
+         <para>
+          Store current offset into xref table.
+         </para>
+        </listitem>
+        <listitem>
+         <para>
+          Write <literal><replaceable>n</replaceable> 0 obj</literal>.
+         </para>
+        </listitem>
+        <listitem>
+         <para>
+          If object is null, whether direct or indirect, write out
+          null, thus eliminating unresolvable indirect object
+          references.
+         </para>
+        </listitem>
+        <listitem>
+         <para>
+          If the object is a stream stream, write stream contents,
+          piped through any filters as required, to a memory buffer.
+          Use this buffer to determine the stream length.
+         </para>
+        </listitem>
+        <listitem>
+         <para>
+          If object is not a stream, array, or dictionary, write out
+          its contents.
+         </para>
+        </listitem>
+        <listitem>
+         <para>
+          If object is an array or dictionary (including stream),
+          traverse its elements (for array) or values (for
+          dictionaries), handling recursive dictionaries and arrays,
+          looking for indirect objects.  When an indirect object is
+          found, if it is not resolvable, ignore.  (This case is
+          handled when writing it out.)  Otherwise, look it up in the
+          renumbering table.  If not found, grab the next available
+          object number, assign to the referenced object in the
+          renumbering table, and push the referenced object onto the
+          queue.  As a special case, when writing out a stream
+          dictionary, replace length, filters, and decode parameters
+          as required.
+         </para>
+         <para>
+          Write out dictionary or array, replacing any unresolvable
+          indirect object references with null (pdf spec says
+          reference to non-existent object is legal and resolves to
+          null) and any resolvable ones with references to the
+          renumbered objects.
+         </para>
+        </listitem>
+        <listitem>
+         <para>
+          If the object is a stream, write
+          <literal>stream\n</literal>, the stream contents (from the
+          memory buffer), and <literal>\nendstream\n</literal>.
+         </para>
+        </listitem>
+        <listitem>
+         <para>
+          When done, write <literal>endobj</literal>.
+         </para>
+        </listitem>
+       </itemizedlist>
+      </para>
+     </listitem>
+    </itemizedlist>
+   </para>
+   <para>
+    Once we have finished the queue, all referenced objects will have
+    been written out and all deleted objects or unreferenced objects
+    will have been skipped.  The new cross-reference table will
+    contain an offset for every new object number from 1 up to the
+    number of objects written.  This can be used to write out a new
+    xref table.  Finally we can write out the trailer dictionary with
+    appropriately computed /ID (see spec, 8.3, File Identifiers), the
+    cross reference table offset, and <literal>%%EOF</literal>.
+   </para>
+  </sect1>
+  <sect1 id="ref.filtered-streams">
+   <title>Filtered Streams</title>
+   <para>
+    Support for streams is implemented through the
+    <classname>Pipeline</classname> interface which was designed for
+    this package.
+   </para>
+   <para>
+    When reading streams, create a series of
+    <classname>Pipeline</classname> objects.  The
+    <classname>Pipeline</classname> abstract base requires
+    implementation <function>write()</function> and
+    <function>finish()</function> and provides an implementation of
+    <function>getNext()</function>.  Each pipeline object, upon
+    receiving data, does whatever it is going to do and then writes
+    the data (possibly modified) to its successor.  Alternatively, a
+    pipeline may be an end-of-the-line pipeline that does something
+    like store its output to a file or a memory buffer ignoring a
+    successor.  For additional details, look at
+    <filename>Pipeline.hh</filename>.
+   </para>
+   <para>
+    <classname>QPDF</classname> can read raw or filtered streams.
+    When reading a filtered stream, the <classname>QPDF</classname>
+    class creates a <classname>Pipeline</classname> object for one of
+    each appropriate filter object and chains them together.  The last
+    filter should write to whatever type of output is required.  The
+    <classname>QPDF</classname> class has an interface to write raw or
+    filtered stream contents to a given pipeline.
+   </para>
+  </sect1>
+ </chapter>
+ <chapter id="ref.linearization">
+  <title>Linearization</title>
+  <para>
+   This chapter describes how <classname>QPDF</classname> and
+   <classname>QPDFWriter</classname> implement creation and processing
+   of linearized PDFS.
+  </para>
+  <sect1 id="ref.linearization-strategy">
+   <title>Basic Strategy for Linearization</title>
+   <para>
+    To avoid the incestuous problem of having the qpdf library
+    validate its own linearized files, we have a special linearized
+    file checking mode which can be invoked via <command>qpdf
+    --check-linearization</command> (or <command>qpdf
+    --check</command>).  This mode reads the linearization parameter
+    dictionary and the hint streams and validates that object
+    ordering, parameters, and hint stream contents are correct.  The
+    validation code was first tested against linearized files created
+    by external tools (Acrobat and pdlin) and then used to validate
+    files created by <classname>QPDFWriter</classname> itself.
+   </para>
+  </sect1>
+  <sect1 id="ref.linearized.preparation">
+   <title>Preparing For Linearization</title>
+   <para>
+    Before creating a linearized PDF file from any other PDF file, the
+    PDF file must be altered such that all page attributes are
+    propagated down to the page level (and not inherited from parents
+    in the <literal>/Pages</literal> tree).  We also have to know
+    which objects refer to which other objects, being concerned with
+    page boundaries and a few other cases.  We refer to this part of
+    preparing the PDF file as <firstterm>optimization</firstterm>,
+    discussed in <xref linkend="ref.optimization"/>.  Note the, in
+    this context, the term <firstterm>optimization</firstterm> is a
+    qpdf term, and the term <firstterm>linearization</firstterm> is a
+    term from the PDF specification.  Do not be confused by the fact
+    that many applications refer to linearization as optimization or
+    web optimization.
+   </para>
+   <para>
+    When creating linearized PDF files from optimized PDF files, there
+    are really only a few issues that need to be dealt with:
+    <itemizedlist>
+     <listitem>
+      <para>
+       Creation of hints tables
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       Placing objects in the correct order
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       Filling in offsets and byte sizes
+      </para>
+     </listitem>
+    </itemizedlist>
+   </para>
+  </sect1>
+  <sect1 id="ref.optimization">
+   <title>Optimization</title>
+   <para>
+    In order to perform various operations such as linearization and
+    splitting files into pages, it is necessary to know which objects
+    are referenced by which pages, page thumbnails, and root and
+    trailer dictionary keys.  It is also necessary to ensure that all
+    page-level attributes appear directly at the page level and are
+    not inherited from parents in the pages tree.
+   </para>
+   <para>
+    We refer to the process of enforcing these constraints as
+    <firstterm>optimization</firstterm>.  As mentioned above, note
+    that some applications refer to linearization as optimization.
+    Although this optimization was initially motivated by the need to
+    create linearized files, we are using these terms separately.
+   </para>
+   <para>
+    PDF file optimization is implemented in the
+    <filename>QPDF_optimization.cc</filename> source file.  That file
+    is richly commented and serves as the primary reference for the
+    optimization process.
+   </para>
+   <para>
+    After optimization has been completed, the private member
+    variables <varname>obj_user_to_objects</varname> and
+    <varname>object_to_obj_users</varname> in
+    <classname>QPDF</classname> have been populated.  Any object that
+    has more than one value in the
+    <varname>object_to_obj_users</varname> table is shared.  Any
+    object that has exactly one value in the
+    <varname>object_to_obj_users</varname> table is private.  To find
+    all the private objects in a page or a trailer or root dictionary
+    key, one merely has make this determination for each element in
+    the <varname>obj_user_to_objects</varname> table for the given
+    page or key.
+   </para>
+   <para>
+    Note that pages and thumbnails have different object user types,
+    so the above test on a page will not include objects referenced by
+    the page's thumbnail dictionary and nothing else.
+   </para>
+  </sect1>
+  <sect1 id="ref.linearization.writing">
+   <title>Writing Linearized Files</title>
+   <para>
+    We will create files with only primary hint streams.  We will
+    never write overflow hint streams.  (As of PDF version 1.4,
+    Acrobat doesn't either, and they are never necessary.)  The hint
+    streams contain offset information to objects that point to where
+    they would be if the hint stream were not present.  This means
+    that we have to calculate all object positions before we can
+    generate and write the hint table.  This means that we have to
+    generate the file in two passes.  To make this reliable,
+    <classname>QPDFWriter</classname> in linearization mode invokes
+    exactly the same code twice to write the file to a pipeline.
+   </para>
+   <para>
+    In the first pass, the target pipeline is a count pipeline chained
+    to a discard pipeline.  The count pipeline simply passes its data
+    through to the next pipeline in the chain but can return the
+    number of bytes passed through it at any intermediate point.  The
+    discard pipeline is an end of line pipeline that just throws its
+    data away.  The hint stream is not written and dummy values with
+    adequate padding are stored in the first cross reference table,
+    linearization parameter dictionary, and /Prev key of the first
+    trailer dictionary.  All the offset, length, object renumbering
+    information, and anything else we need for the second pass is
+    stored.
+   </para>
+   <para>
+    At the end of the first pass, this information is passed to the
+    <classname>QPDF</classname> class which constructs a compressed
+    hint stream in a memory buffer and returns it.
+    <classname>QPDFWriter</classname> uses this information to write a
+    complete hint stream object into a memory buffer.  At this point,
+    the length of the hint stream is known.
+   </para>
+   <para>
+    In the second pass, the end of the pipeline chain is a regular
+    file instead of a discard pipeline, and we have known values for
+    all the offsets and lengths that we didn't have in the first pass.
+    We have to adjust offsets that appear after the start of the hint
+    stream by the length of the hint stream, which is known.  Anything
+    that is of variable length is padded, with the padding code
+    surrounding any writing code that differs in the two passes.  This
+    ensures that changes to the way things are represented never
+    results in offsets that were gathered during the first pass
+    becoming incorrect for the second pass.
+   </para>
+   <para>
+    Using this strategy, we can write linearized files to a
+    non-seekable output stream with only a single pass to disk or
+    wherever the output is going.
+   </para>
+  </sect1>
+  <sect1 id="ref.linearization-data">
+   <title>Calculating Linearization Data</title>
+   <para>
+    Once a file is optimized, we have information about which objects
+    access which other objects.  We can then process these tables to
+    decide which part (as described in &ldquo;Linearized PDF Document
+    Structure&rdquo; in the PDF specification) each object is
+    contained within.  This tells us the exact order in which objects
+    are written.  The <classname>QPDFWriter</classname> class asks for
+    this information and enqueues objects for writing in the proper
+    order.  It also turns on a check that causes an exception to be
+    thrown if an object is encountered that has not already been
+    queued.  (This could happen only if there were a bug in the
+    traversal code used to calculate the linearization data.)
+   </para>
+  </sect1>
+  <sect1 id="ref.linearization-issues">
+   <title>Known Issues with Linearization</title>
+   <para>
+    There are a handful of known issues with this linearization code.
+    These issues do not appear to impact the behavior of linearized
+    files which still work as intended: it is possible for a web
+    browser to begin to display them before they are fully
+    downloaded.  In fact, it seems that various other programs that
+    create linearized files have many of these same issues.  These
+    items make reference to terminology used in the linearization
+    appendix of the PDF specification.
+    <itemizedlist>
+     <listitem>
+      <para>
+       Thread Dictionary information keys appear in part 4 with the
+       rest of Threads instead of in part 9.  Objects in part 9 are
+       not grouped together functionally.
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       We are not calculating numerators for shared object positions
+       within content streams or interleaving them within content
+       streams.
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       We generate only page offset, shared object, and outline hint
+       tables.  It would be relatively easy to add some additional
+       tables.  We gather most of the information needed to create
+       thumbnail hint tables.  There are comments in the code about
+       this.
+      </para>
+     </listitem>
+    </itemizedlist>
+   </para>
+  </sect1>
+  <sect1 id="ref.linearization-debugging">
+   <title>Debugging Note</title>
+   <para>
+    The <command>qpdf --show-linearization</command> command can show
+    the complete contents of linearization hint streams.  To look at
+    the raw data, you can extract the filtered contents of the
+    linearization hint tables using <command>qpdf --show-object=n
+    --filtered-stream-data</command>.  Then, to convert this into a
+    bit stream (since linearization tables are bit streams written
+    without regard to byte boundaries), you can pipe the resulting
+    data through the following perl code:
+
+    <programlisting>use bytes;
+binmode STDIN;
+undef $/;
+my $a = &lt;STDIN&gt;;
+my @ch = split(//, $a);
+map { printf("%08b", ord($_)) } @ch;
+print "\n";
+</programlisting>
+   </para>
+  </sect1>
+ </chapter>
+ <chapter id="ref.object-and-xref-streams">
+  <title>Object and Cross-Reference Streams</title>
+  <para>
+   This chapter provides information about the implementation of
+   object stream and cross-reference stream support in qpdf.
+  </para>
+  <sect1 id="ref.object-streams">
+   <title>Object Streams</title>
+   <para>
+    Object streams can contain any regular object except the
+    following:
+    <itemizedlist>
+     <listitem>
+      <para>
+       stream objects
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       objects with generation &gt; 0
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       the encryption dictionary
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       objects containing the /Length of another stream
+      </para>
+     </listitem>
+    </itemizedlist>
+    In addition, Adobe reader (at least as of version 8.0.0) appears
+    to not be able to handle having the document catalog appear in an
+    object stream if the file is encrypted, though this is not
+    specifically disallowed by the specification.
+   </para>
+   <para>
+    There are additional restrictions for linearized files.  See <xref
+    linkend="ref.object-streams-linearization"/>for details.
+   </para>
+   <para>
+    The PDF specification refers to objects in object streams as
+    &ldquo;compressed objects&rdquo; regardless of whether the object
+    stream is compressed.
+   </para>
+   <para>
+    The generation number of every object in an object stream must be
+    zero.  It is possible to delete and replace an object in an object
+    stream with a regular object.
+   </para>
+   <para>
+    The object stream dictionary has the following keys:
+    <itemizedlist>
+     <listitem>
+      <para>
+       <literal>/N</literal>: number of objects
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       <literal>/First</literal>: byte offset of first object
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       <literal>/Extends</literal>: indirect reference to stream that
+       this extends
+      </para>
+     </listitem>
+    </itemizedlist>
+   </para>
+   <para>
+    Stream collections are formed with <literal>/Extends</literal>.
+    They must form a directed acyclic graph.  These can be used for
+    semantic information and are not meaningful to the PDF document's
+    syntactic structure.  Although qpdf preserves stream collections,
+    it never generates them and doesn't make use of this information
+    in any way.
+   </para>
+   <para>
+    The specification recommends limiting the number of objects in
+    object stream for efficiency in reading and decoding.  Acrobat 6
+    uses no more than objects per object stream for linearized files
+    and no more 200 objects per stream for non-linearized files.
+    <classname>QPDFWriter</classname>, in object stream generation
+    mode, never puts more than 100 objects in an object stream.
+   </para>
+   <para>
+    Object stream contents consists of <emphasis>N</emphasis> pairs of
+    integers, each of which is the object number and the byte offset
+    of the object relative to the first object in the stream, followed
+    by the objects themselves, concatenated.
+   </para>
+  </sect1>
+  <sect1 id="ref.xref-streams">
+   <title>Cross-Reference Streams</title>
+   <para>
+    For non-hybrid files, the value following
+    <literal>startxref</literal> is the byte offset to the xref stream
+    rather than the word <literal>xref</literal>.
+   </para>
+   <para>
+    For hybrid files (files containing both xref tables and
+    cross-reference streams), the xref table's trailer dictionary
+    contains the key <literal>/XRefStm</literal> whose value is the
+    byte offset to a cross-reference stream that supplements the xref
+    table.  A PDF 1.5-compliant application should read the xref table
+    first.  Then it should replace any object that it has already seen
+    with any defined in the xref stream.  Then it should follow any
+    <literal>/Prev</literal> pointer in the original xref table's
+    trailer dictionary.  The specification is not clear about what
+    should be done, if anything, with a <literal>/Prev</literal>
+    pointer in the xref stream referenced by an xref table.  The
+    <classname>QPDF</classname> class ignores it, which is probably
+    reasonable since, if this case were to appear for any sensible PDF
+    file, the previous xref table would probably have a corresponding
+    <literal>/XRefStm</literal> pointer of its own.  For example, if a
+    hybrid file were appended, the appended section would have its own
+    xref table and <literal>/XRefStm</literal>.  The appended xref
+    table would point to the previous xref table which would point the
+    <literal>/XRefStm</literal>, meaning that the new
+    <literal>/XRefStm</literal> doesn't have to point to it.
+   </para>
+   <para>
+    Since xref streams must be read very early, they may not be
+    encrypted, and the may not contain indirect objects for keys
+    required to read them, which are these:
+    <itemizedlist>
+     <listitem>
+      <para>
+       <literal>/Type</literal>: value <literal>/XRef</literal>
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       <literal>/Size</literal>: value <emphasis>n+1</emphasis>: where
+       <emphasis>n</emphasis> is highest object number (same as
+       <literal>/Size</literal> in the trailer dictionary)
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       <literal>/Index</literal> (optional): value
+       <literal>[<replaceable>n count</replaceable> ...]</literal>
+       used to determine which objects' information is stored in this
+       stream.  The default is <literal>[0 /Size]</literal>.
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       <literal>/Prev</literal>: value
+       <replaceable>offset</replaceable>: byte offset of previous xref
+       stream (same as <literal>/Prev</literal> in the trailer
+       dictionary)
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       <literal>/W [...]</literal>: sizes of each field in the xref
+       table
+      </para>
+     </listitem>
+    </itemizedlist>
+   </para>
+   <para>
+    The other fields in the xref stream, which may be indirect if
+    desired, are the union of those from the xref table's trailer
+    dictionary.
+   </para>
+   <sect2 id="ref.xref-stream-data">
+    <title>Cross-Reference Stream Data</title>
+    <para>
+     The stream data is binary and encoded in big-endian byte order.
+     Entries are concatenated, and each entry has a length equal to
+     the total of the entries in <literal>/W</literal> above.  Each
+     entry consists of one or more fields, the first of which is the
+     type of the field.  The number of bytes for each field is given
+     by <literal>/W</literal> above.  A 0 in <literal>/W</literal>
+     indicates that the field is omitted and has the default value.
+     The default value for the field type is
+     &ldquo;<literal>1</literal>&rdquo;.  All other default values are
+     &ldquo;<literal>0</literal>&rdquo;.
+    </para>
+    <para>
+     PDF 1.5 has three field types:
+     <itemizedlist>
+      <listitem>
+       <para>
+        0: for free objects.  Format: <literal>0 obj
+        next-generation</literal>, same as the free table in a
+        traditional cross-reference table
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       1: regular non-compressed object.  Format: <literal>1 offset
+       generation</literal>
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       2: for objects in object streams.  Format: <literal>2
+       object-stream-number index</literal>, the number of object
+       stream containing the object and the index within the object
+       stream of the object.
+      </para>
+     </listitem>
+     </itemizedlist>
+    </para>
+    <para>
+     It seems standard to have the first entry in the table be
+     <literal>0 0 0</literal> instead of <literal>0 0 ffff</literal>
+     if there are no deleted objects.
+    </para>
+   </sect2>
+  </sect1>
+  <sect1 id="ref.object-streams-linearization">
+   <title>Implications for Linearized Files</title>
+   <para>
+    For linearized files, the linearization dictionary, document
+    catalog, and page objects may not be contained in object streams.
+   </para>
+   <para>
+    Objects stored within object streams are given the highest range
+    of object numbers within the main and first-page cross-reference
+    sections.
+   </para>
+   <para>
+    It is okay to use cross-reference streams in place of regular xref
+    tables.  There are on special considerations.
+   </para>
+   <para>
+    Hint data refers to object streams themselves, not the objects in
+    the streams.  Shared object references should also be made to the
+    object streams.  There are no reference in any hint tables to the
+    object numbers of compressed objects (objects within object
+    streams).
+   </para>
+   <para>
+    When numbering objects, all shared objects within both the first
+    and second halves of the linearized files must be numbered
+    consecutively after all normal uncompressed objects in that half.
+   </para>
+  </sect1>
+  <sect1 id="ref.object-stream-implementation">
+   <title>Implementation Notes</title>
+   <para>
+    There are three modes for writing object streams:
+    <option>disable</option>, <option>preserve</option>, and
+    <option>generate</option>.  In disable mode, we do not generate
+    any object streams, and we also generate an xref table rather than
+    xref streams.  This can be used to generate PDF files that are
+    viewable with older readers.  In preserve mode, we write object
+    streams such that written object streams contain the same objects
+    and <literal>/Extends</literal> relationships as in the original
+    file.  This is equal to disable if the file has no object streams.
+    In generate, we create object streams ourselves by grouping
+    objects that are allowed in object streams together in sets of no
+    more than 100 objects.  We also ensure that the PDF version is at
+    least 1.5 in generate mode, but we preserve the version header in
+    the other modes.  The default is <option>preserve</option>.
+   </para>
+   <para>
+    We do not support creation of hybrid files.  When we write files,
+    even in preserve mode, we will lose any xref tables and merge any
+    appended sections.
+   </para>
+  </sect1>
+ </chapter>
+</book>
diff --git a/manual/qpdf.1.in b/manual/qpdf.1.in
new file mode 100644
index 00000000..83fad225
--- /dev/null
+++ b/manual/qpdf.1.in
@@ -0,0 +1,19 @@
+\" This file is not processed by autoconf, but rather by build.mk in
+\" the manual directory.
+.TH QPDF "1" "April 2008" "qpdf version @PACKAGE_VERSION@" "User Commands"
+.SH NAME
+qpdf \- PDF transformation software
+.SH SYNOPSIS
+.B qpdf
+[ \fIoptions \fR] \fIinfilename outfilename\fR
+.SH DESCRIPTION
+The qpdf program is used to convert one PDF file to another equivalent
+PDF file.  It is capable of performing a variety of transformations
+such as linearization (also known as web optimization or fast web
+viewing), encryption, and decryption of PDF files.  It also has many
+options for inspecting or checking PDF files, some of which are
+useful primarily to PDF developers.
+.PP
+For a summary of qpdf's options, please run
+\fBqpdf --help\fR.  A complete manual can be found in
+@docdir@/qpdf-manual.html or @docdir@/qpdf-manual.pdf.
diff --git a/manual/zlib-flate.1.in b/manual/zlib-flate.1.in
new file mode 100644
index 00000000..133dce7b
--- /dev/null
+++ b/manual/zlib-flate.1.in
@@ -0,0 +1,21 @@
+\" This file is not processed by autoconf, but rather by build.mk in
+\" the manual directory.
+.TH ZLIB-FLATE "1" "April 2008" "zlib-flate from qpdf version @PACKAGE_VERSION@" "User Commands"
+.SH NAME
+zlib-flate \- raw zlib compression program
+.SH SYNOPSIS
+.B qpdf
+\fI-compress | -uncompress\fR
+.SH DESCRIPTION
+The zlib-flate program is part of the qpdf package.
+.PP
+The zlib-flate program standard from input and writes to standard
+output either compressing or compressing its input using raw zlib
+compression.  This program is provided primarily as a debugging tool.
+It can be used to uncompress or compress raw PDF streams.
+.PP
+This program should not be used as a general purpose compression
+tool.  Use something like gzip(1) instead.
+.PP
+For details about qpdf, please see the qpdf manual, which can be found
+in @docdir@/qpdf-manual.html or @docdir@/qpdf-manual.pdf.
diff --git a/mkinstalldirs b/mkinstalldirs
new file mode 100755
index 00000000..ef7e16fd
--- /dev/null
+++ b/mkinstalldirs
@@ -0,0 +1,161 @@
+#! /bin/sh
+# mkinstalldirs --- make directory hierarchy
+
+scriptversion=2006-05-11.19
+
+# Original author: Noah Friedman <friedman@prep.ai.mit.edu>
+# Created: 1993-05-16
+# Public domain.
+#
+# This file is maintained in Automake, please report
+# bugs to <bug-automake@gnu.org> or send patches to
+# <automake-patches@gnu.org>.
+
+nl='
+'
+IFS=" ""	$nl"
+errstatus=0
+dirmode=
+
+usage="\
+Usage: mkinstalldirs [-h] [--help] [--version] [-m MODE] DIR ...
+
+Create each directory DIR (with mode MODE, if specified), including all
+leading file name components.
+
+Report bugs to <bug-automake@gnu.org>."
+
+# process command line arguments
+while test $# -gt 0 ; do
+  case $1 in
+    -h | --help | --h*)         # -h for help
+      echo "$usage"
+      exit $?
+      ;;
+    -m)                         # -m PERM arg
+      shift
+      test $# -eq 0 && { echo "$usage" 1>&2; exit 1; }
+      dirmode=$1
+      shift
+      ;;
+    --version)
+      echo "$0 $scriptversion"
+      exit $?
+      ;;
+    --)                         # stop option processing
+      shift
+      break
+      ;;
+    -*)                         # unknown option
+      echo "$usage" 1>&2
+      exit 1
+      ;;
+    *)                          # first non-opt arg
+      break
+      ;;
+  esac
+done
+
+for file
+do
+  if test -d "$file"; then
+    shift
+  else
+    break
+  fi
+done
+
+case $# in
+  0) exit 0 ;;
+esac
+
+# Solaris 8's mkdir -p isn't thread-safe.  If you mkdir -p a/b and
+# mkdir -p a/c at the same time, both will detect that a is missing,
+# one will create a, then the other will try to create a and die with
+# a "File exists" error.  This is a problem when calling mkinstalldirs
+# from a parallel make.  We use --version in the probe to restrict
+# ourselves to GNU mkdir, which is thread-safe.
+case $dirmode in
+  '')
+    if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then
+      echo "mkdir -p -- $*"
+      exec mkdir -p -- "$@"
+    else
+      # On NextStep and OpenStep, the `mkdir' command does not
+      # recognize any option.  It will interpret all options as
+      # directories to create, and then abort because `.' already
+      # exists.
+      test -d ./-p && rmdir ./-p
+      test -d ./--version && rmdir ./--version
+    fi
+    ;;
+  *)
+    if mkdir -m "$dirmode" -p --version . >/dev/null 2>&1 &&
+       test ! -d ./--version; then
+      echo "mkdir -m $dirmode -p -- $*"
+      exec mkdir -m "$dirmode" -p -- "$@"
+    else
+      # Clean up after NextStep and OpenStep mkdir.
+      for d in ./-m ./-p ./--version "./$dirmode";
+      do
+        test -d $d && rmdir $d
+      done
+    fi
+    ;;
+esac
+
+for file
+do
+  case $file in
+    /*) pathcomp=/ ;;
+    *)  pathcomp= ;;
+  esac
+  oIFS=$IFS
+  IFS=/
+  set fnord $file
+  shift
+  IFS=$oIFS
+
+  for d
+  do
+    test "x$d" = x && continue
+
+    pathcomp=$pathcomp$d
+    case $pathcomp in
+      -*) pathcomp=./$pathcomp ;;
+    esac
+
+    if test ! -d "$pathcomp"; then
+      echo "mkdir $pathcomp"
+
+      mkdir "$pathcomp" || lasterr=$?
+
+      if test ! -d "$pathcomp"; then
+	errstatus=$lasterr
+      else
+	if test ! -z "$dirmode"; then
+	  echo "chmod $dirmode $pathcomp"
+	  lasterr=
+	  chmod "$dirmode" "$pathcomp" || lasterr=$?
+
+	  if test ! -z "$lasterr"; then
+	    errstatus=$lasterr
+	  fi
+	fi
+      fi
+    fi
+
+    pathcomp=$pathcomp/
+  done
+done
+
+exit $errstatus
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-end: "$"
+# End:
diff --git a/qpdf.spec b/qpdf.spec
new file mode 100644
index 00000000..93fa50ac
--- /dev/null
+++ b/qpdf.spec
@@ -0,0 +1,93 @@
+Summary: Command-line tools and library for transforming PDF files
+Name: qpdf
+Version: 2.0
+Release: 1%{?dist}
+License: Artistic
+Group: System Environment/Libraries
+URL: http://sourceforge.net/projects/qpdf/
+
+Source: %{name}-%{version}.tar.gz
+
+Buildroot: %{_tmppath}/%{name}-%{version}-%{release}-root
+BuildRequires: zlib-devel
+BuildRequires: pcre-devel
+
+%description
+QPDF is a program that does structural, content-preserving
+transformations on PDF files.  It could have been called something
+like pdf-to-pdf.  It also provides many useful capabilities to
+developers of PDF-producing software or for people who just want to
+look at the innards of a PDF file to learn more about how they work.
+
+QPDF offers many capabilities such as linearization (web
+optimization), encrypt, and decription of PDF files.  Note that QPDF
+does not have the capability to create PDF files from scratch; it is
+only used to create PDF files with special characteristics starting
+from other PDF files or to inspect or extract information from
+existing PDF files.
+
+%package devel
+Summary: Development files for qpdf PDF manipulation library
+Group: Development/Libraries
+Requires: %{name} = %{version}-%{release} zlib-devel pcre-devel
+
+%description devel
+The qpdf-devel package contains header files and libraries necessary
+for developing programs using the qpdf library.
+
+%package static
+Summary: Static QPDF library
+Group: Development/Libraries
+Requires: %{name}-devel = %{version}-%{release}
+
+%description static
+The qpdf-static package contains the static qpdf library.
+
+%prep
+%setup -q
+
+%build
+%configure --disable-test-compare-images --docdir='${datarootdir}'/doc/%{name}-%{version}
+make %{?_smp_mflags}
+make check
+
+%install
+rm -rf $RPM_BUILD_ROOT
+%makeinstall
+# %doc below clobbers our docdir, so we have to copy it to a safe
+# place so we can install it using %doc.  We should still set docdir
+# properly when configuring so that it gets substituted properly by
+# autoconf.
+cp -a $RPM_BUILD_ROOT%{_datadir}/doc/%{name}-%{version} install-docs
+mkdir -p install-examples/examples
+cp -p examples/*.cc install-examples/examples
+# Red Hat doesn't ship .la files.
+rm -rf $RPM_BUILD_ROOT%{_libdir}/libqpdf.la
+
+%post -p /sbin/ldconfig
+
+%postun -p /sbin/ldconfig
+
+%files
+%defattr(-,root,root)
+%doc README TODO Artistic-2.0 install-docs/*
+%{_bindir}/*
+%{_libdir}/libqpdf*.so.*
+%{_mandir}/man1/*
+
+%files devel
+%defattr(-,root,root)
+%doc install-examples/examples
+%{_includedir}/*
+%{_libdir}/libqpdf*.so
+
+%files static
+%defattr(-,root,root)
+%{_libdir}/libqpdf*.a
+
+%clean
+rm -rf $RPM_BUILD_ROOT
+
+%changelog
+* Mon Apr 28 2008 Jay Berkenbilt <ejb@ql.org> - 2.0-1
+- Initial packaging
diff --git a/qpdf/Makefile b/qpdf/Makefile
new file mode 100644
index 00000000..90899055
--- /dev/null
+++ b/qpdf/Makefile
@@ -0,0 +1 @@
+include ../make/proxy.mk
diff --git a/qpdf/build.mk b/qpdf/build.mk
new file mode 100644
index 00000000..b6fc55c9
--- /dev/null
+++ b/qpdf/build.mk
@@ -0,0 +1,26 @@
+BINS_qpdf = qpdf test_driver
+
+TARGETS_qpdf = $(foreach B,$(BINS_qpdf),qpdf/$(OUTPUT_DIR)/$(B))
+
+$(TARGETS_qpdf): $(TARGETS_libqpdf)
+
+INCLUDES_qpdf = include
+
+TC_SRCS_qpdf = $(wildcard libqpdf/*.cc) $(wildcard qpdf/*.cc)
+
+# -----
+
+$(foreach B,$(BINS_qpdf),$(eval \
+  OBJS_$(B) = $(call src_to_obj,qpdf/$(B).cc)))
+
+ifeq ($(GENDEPS),1)
+-include $(foreach B,$(BINS_qpdf),$(call obj_to_dep,$(OBJS_$(B))))
+endif
+
+$(foreach B,$(BINS_qpdf),$(eval \
+  $(OBJS_$(B)): qpdf/$(OUTPUT_DIR)/%.o: qpdf/$(B).cc ; \
+	$(call compile,qpdf/$(B).cc,$(INCLUDES_qpdf))))
+
+$(foreach B,$(BINS_qpdf),$(eval \
+  qpdf/$(OUTPUT_DIR)/$(B): $(OBJS_$(B)) ; \
+	$(call makebin,$(OBJS_$(B)),$$@)))
diff --git a/qpdf/fix-qdf b/qpdf/fix-qdf
new file mode 100755
index 00000000..d3544d95
--- /dev/null
+++ b/qpdf/fix-qdf
@@ -0,0 +1,352 @@
+#!/usr/bin/env perl
+
+require 5.008;
+BEGIN { $^W = 1; }
+use strict;
+
+my $whoami = ($0 =~ m,([^/\\]*)$,) ? $1 : $0;
+my $dirname = ($0 =~ m,(.*)[/\\][^/\\]+$,) ? $1 : ".";
+
+if ((@ARGV == 1) && ($ARGV[0] eq '--version'))
+{
+    exec "$dirname/qpdf", '--version';
+    exit 2;
+}
+
+my $offset = 0;
+my $last_offset = 0;
+
+my $file = shift(@ARGV);
+if (defined $file)
+{
+    open(F, "<$file") or die "$whoami: can't open $file: $!\n";
+}
+else
+{
+    $file = 'stdin';
+    open(F, "<&STDIN") or die "$whoami: can't dup stdin: $!\n";
+}
+binmode F;
+binmode STDOUT;
+
+my $line = get_line();
+if (! ((defined $line) && ($line =~ m/^%PDF-1\.\d+\b/)))
+{
+    die "$whoami: $file: not a pdf file\n";
+}
+print $line;
+$line = get_line();
+die "$whoami: $file: premature EOF\n" unless defined $line;
+print $line;
+$line = get_line();
+if (! ((defined $line) && ($line =~ m/^%QDF-1.\d+\b/)))
+{
+    die "$whoami: $file: not a qdf file\n";
+}
+print $line;
+
+my $last_obj = 0;
+my @xref = ();
+
+my $stream_start = 0;
+my $stream_length = 0;
+my $xref_offset = 0;
+my $xref_f1_nbytes = 0;
+my $xref_size = 0;
+
+my $cur_state = 0;
+my $st_top = ++$cur_state;
+my $st_in_obj = ++$cur_state;
+my $st_in_stream = ++$cur_state;
+my $st_after_stream = ++$cur_state;
+my $st_in_ostream_dict = ++$cur_state;
+my $st_in_ostream_offsets = ++$cur_state;
+my $st_in_ostream_outer = ++$cur_state;
+my $st_in_ostream_obj = ++$cur_state;
+my $st_in_xref_stream_dict = ++$cur_state;
+my $st_in_length = ++$cur_state;
+my $st_at_xref = ++$cur_state;
+my $st_before_trailer = ++$cur_state;
+my $st_in_trailer = ++$cur_state;
+my $st_done = ++$cur_state;
+
+my @ostream = ();
+my @ostream_offsets = ();
+my $ostream_idx = 0;
+my $ostream_id = 0;
+my $ostream_extends = "";
+
+my $state = $st_top;
+while (defined($line = get_line()))
+{
+    if ($state == $st_top)
+    {
+	if ($line =~ m/^(\d+) 0 obj$/)
+	{
+	    check_obj_id($1);
+	    $state = $st_in_obj;
+	}
+	elsif ($line =~ m/^xref$/)
+	{
+	    $xref_offset = $last_offset;
+	    $state = $st_at_xref;
+	}
+	print $line;
+    }
+    elsif ($state == $st_in_obj)
+    {
+	print $line;
+	if ($line =~ m/^stream$/)
+	{
+	    $state = $st_in_stream;
+	    $stream_start = $offset;
+	}
+	elsif ($line =~ m/^endobj$/)
+	{
+	    $state = $st_top;
+	}
+	elsif ($line =~ m,/Type /ObjStm,)
+	{
+	    $state = $st_in_ostream_dict;
+	    $ostream_id = $last_obj;
+	}
+	elsif ($line =~ m,/Type /XRef,)
+	{
+	    $xref_offset = $xref[-1][1];
+	    $xref_f1_nbytes = 0;
+	    my $t = $xref_offset;
+	    while ($t)
+	    {
+		$t >>= 8;
+		++$xref_f1_nbytes;
+	    }
+	    my $esize = $xref_f1_nbytes + 2;
+	    $xref_size = 1 + @xref;
+	    my $length = $xref_size * $esize;
+	    print "  /Length $length\n";
+	    print "  /W [ 1 $xref_f1_nbytes 1 ]\n";
+	    $state = $st_in_xref_stream_dict;
+	}
+    }
+    elsif ($state == $st_in_ostream_dict)
+    {
+	if ($line =~ m,/Extends (\d+ 0 R),)
+	{
+	    $ostream_extends = $1;
+	}
+	elsif ($line =~ m/^stream/)
+	{
+	    $state = $st_in_ostream_offsets;
+	}
+	# discard line
+    }
+    elsif ($state == $st_in_ostream_offsets)
+    {
+	if ($line =~ m/^\%\% Object stream: object (\d+)/)
+	{
+	    check_obj_id($1);
+	    $stream_start = $last_offset;
+	    $state = $st_in_ostream_outer;
+	    push(@ostream, $line);
+	}
+	# discard line
+    }
+    elsif ($state == $st_in_ostream_outer)
+    {
+	adjust_ostream_xref();
+	push(@ostream_offsets, $last_offset - $stream_start);
+	$state = $st_in_ostream_obj;
+	push(@ostream, $line);
+    }
+    elsif ($state == $st_in_ostream_obj)
+    {
+	push(@ostream, $line);
+	if ($line =~ m/^\%\% Object stream: object (\d+)/)
+	{
+	    check_obj_id($1);
+	    $state = $st_in_ostream_outer;
+	}
+	elsif ($line =~ m/^endstream/)
+	{
+	    $stream_length = $last_offset - $stream_start;
+	    write_ostream();
+	    $state = $st_in_obj;
+	}
+    }
+    elsif ($state == $st_in_xref_stream_dict)
+    {
+	if ($line =~ m,/(Length|W) ,)
+	{
+	    # already printed
+	}
+	elsif ($line =~ m,/Size ,)
+	{
+	    my $size = 1 + @xref;
+	    print "  /Size $xref_size\n";
+	}
+	else
+	{
+	    print $line;
+	}
+	if ($line =~ m/^stream\n/)
+	{
+	    my $pack = "(C C$xref_f1_nbytes C)";
+	    print pack($pack, 0, 0, 0);
+	    foreach my $x (@xref)
+	    {
+		my ($type, $f1, $f2) = @$x;
+		$f2 = 0 unless defined $f2;
+		my @f1 = ();
+		for (my $i = 0; $i < $xref_f1_nbytes; ++$i)
+		{
+		    unshift(@f1, $f1 & 0xff);
+		    $f1 >>= 8;
+		}
+		print pack($pack, $type, @f1, $f2);
+	    }
+	    print "\nendstream\nendobj\n\n";
+	    print "startxref\n$xref_offset\n\%\%EOF\n";
+	    $state = $st_done;
+	}
+    }
+    elsif ($state == $st_in_stream)
+    {
+	if ($line =~ m/^endstream$/)
+	{
+	    $stream_length = $last_offset - $stream_start;
+	    $state = $st_after_stream;
+	}
+	print $line;
+    }
+    elsif ($state == $st_after_stream)
+    {
+	if ($line =~ m/^\%QDF: ignore_newline$/)
+	{
+	    --$stream_length;
+	}
+	elsif ($line =~ m/^(\d+) 0 obj$/)
+	{
+	    check_obj_id($1);
+	    $state = $st_in_length;
+	}
+	print $line;
+    }
+    elsif ($state == $st_in_length)
+    {
+	if ($line !~ m/^\d+$/)
+	{
+	    die "$file:$.: expected integer\n";
+	}
+	my $new = "$stream_length\n";
+	$offset -= length($line);
+	$offset += length($new);
+	print $new;
+	$state = $st_top;
+    }
+    elsif ($state == $st_at_xref)
+    {
+	my $n = scalar(@xref);
+	print "0 ", $n+1, "\n0000000000 65535 f \n";
+	for (@xref)
+	{
+	    my ($type, $f1, $f2) = @$_;
+	    printf("%010d 00000 n \n", $f1);
+	}
+	$state = $st_before_trailer;
+    }
+    elsif ($state == $st_before_trailer)
+    {
+	if ($line =~ m/^trailer <</)
+	{
+	    print $line;
+	    $state = $st_in_trailer;
+	}
+	# no output
+    }
+    elsif ($state == $st_in_trailer)
+    {
+	if ($line =~ m/^  \/Size \d+$/)
+	{
+	    print "  /Size ", scalar(@xref) + 1, "\n";
+	}
+	else
+	{
+	    print $line;
+	}
+	if ($line =~ m/^>>$/)
+	{
+	    print "startxref\n$xref_offset\n\%\%EOF\n";
+	    $state = $st_done;
+	}
+    }
+    elsif ($state == $st_done)
+    {
+	# ignore
+    }
+}
+
+die "$whoami: $file: premature EOF\n" unless $state == $st_done;
+
+sub get_line
+{
+    my $line = scalar(<F>);
+    if (defined $line)
+    {
+	$last_offset = $offset;
+	$offset += length($line);
+    }
+    $line;
+}
+
+sub check_obj_id
+{
+    my $cur_obj = shift;
+    if ($cur_obj != $last_obj + 1)
+    {
+	die "$file:$.: expected object ", $last_obj + 1, "\n";
+    }
+    $last_obj = $cur_obj;
+    push(@xref, [1, $last_offset]);
+}
+
+sub adjust_ostream_xref
+{
+    pop(@xref);
+    push(@xref, [2, $ostream_id, $ostream_idx++]);
+}
+
+sub write_ostream
+{
+    my $first = $ostream_offsets[0];
+    my $onum = $ostream_id;
+    my $offsets = "";
+    my $n = scalar(@ostream_offsets);
+    for (@ostream_offsets)
+    {
+	$_ -= $first;
+	++$onum;
+	$offsets .= "$onum $_\n";
+    }
+    $first += length($offsets);
+    $stream_length += length($offsets);
+    print "  /Length $stream_length\n";
+    print "  /N $n\n";
+    print "  /First $first\n";
+    if ($ostream_extends)
+    {
+	print "  /Extends $ostream_extends\n";
+    }
+    print ">>\n";
+    print "stream\n";
+    print $offsets;
+    foreach (@ostream)
+    {
+	print $_;
+    }
+
+    $ostream_idx = 0;
+    $ostream_id = 0;
+    @ostream = ();
+    @ostream_offsets = ();
+    $ostream_extends = "";
+}
diff --git a/qpdf/qpdf.cc b/qpdf/qpdf.cc
new file mode 100644
index 00000000..853767ed
--- /dev/null
+++ b/qpdf/qpdf.cc
@@ -0,0 +1,942 @@
+
+#include <iostream>
+#include <string.h>
+#include <stdlib.h>
+
+#include <qpdf/QUtil.hh>
+#include <qpdf/QTC.hh>
+#include <qpdf/Pl_StdioFile.hh>
+
+#include <qpdf/QPDF.hh>
+#include <qpdf/QPDFExc.hh>
+
+#include <qpdf/QPDFWriter.hh>
+
+static char const* whoami = 0;
+
+// Note: let's not be too noisy about documenting the fact that this
+// software purposely fails to enforce the distinction between user
+// and owner passwords.  A user password is sufficient to gain full
+// access to the PDF file, so there is nothing this software can do
+// with an owner password that it couldn't do with a user password
+// other than changing the /P value in the encryption dictionary.
+// (Setting this value requires the owner password.)  The
+// documentation discusses this as well.
+
+static char const* help = "\
+\n\
+Usage: qpdf [ options ] infilename outfilename\n\
+\n\
+An option summary appears below.  Please see the documentation for details.\n\
+\n\
+\n\
+Basic Options\n\
+-------------\n\
+\n\
+--password=password     specify a password for accessing encrypted files\n\
+--linearize             generated a linearized (web optimized) file\n\
+--encrypt options --    generate an encrypted file\n\
+--decrypt               remove any encryption on the file\n\
+\n\
+If neither --encrypt or --decrypt are given, qpdf will preserve any\n\
+encryption data associated with a file.\n\
+\n\
+\n\
+Encryption Options\n\
+------------------\n\
+\n\
+  --encrypt user-password owner-password key-length flags --\n\
+\n\
+Note that -- terminates parsing of encryption flags.\n\
+\n\
+Either or both of the user password and the owner password may be\n\
+empty strings.\n\
+\n\
+key-length may be 40 or 128\n\
+\n\
+Additional flags are dependent upon key length.\n\
+\n\
+  If 40:\n\
+\n\
+    --print=[yn]             allow printing\n\
+    --modify=[yn]            allow document modification\n\
+    --extract=[yn]           allow text/graphic extraction\n\
+    --annotate=[yn]          allow comments and form fill-in and signing\n\
+\n\
+  If 128:\n\
+\n\
+    --accessibility=[yn]     allow accessibility to visually impaired\n\
+    --extract=[yn]           allow other text/graphic extraction\n\
+    --print=print-opt        control printing access\n\
+    --modify=modify-opt      control modify access\n\
+\n\
+    print-opt may be:\n\
+\n\
+      full                  allow full printing\n\
+      low                   allow only low-resolution printing\n\
+      none                  disallow printing\n\
+\n\
+    modify-opt may be:\n\
+\n\
+      all                   allow full document modification\n\
+      annotate              allow comment authoring and form operations\n\
+      form                  allow form field fill-in and signing\n\
+      assembly              allow document assembly only\n\
+      none                  allow no modifications\n\
+\n\
+The default for each permission option is to be fully permissive.\n\
+\n\
+\n\
+Advanced Transformation Options\n\
+-------------------------------\n\
+\n\
+These transformation options control fine points of how qpdf creates\n\
+the output file.  Mostly these are of use only to people who are very\n\
+familiar with the PDF file format or who are PDF developers.\n\
+\n\
+--stream-data=option      controls transformation of stream data (below)\n\
+--normalize-content=[yn]  enables or disables normalization of content streams\n\
+--suppress-recovery       prevents qpdf from attempting to recover damaged files\n\
+--object-streams=mode     controls handing of object streams\n\
+--ignore-xref-streams     tells qpdf to ignore any cross-reference streams\n\
+--qdf                     turns on \"QDF mode\" (below)\n\
+\n\
+Values for stream data options:\n\
+\n\
+  compress              recompress stream data when possible (default)\n\
+  preserve              leave all stream data as is\n\
+  uncompress            uncompress stream data when possible\n\
+\n\
+Values for object strea mode:\n\
+\n\
+  preserve                  preserve original object streams (default)\n\
+  disable                   don't write any object streams\n\
+  generate                  use object streams wherever possible\n\
+\n\
+In qdf mode, by default, content normalization is turned on, and the\n\
+stream data mode is set to uncompress.\n\
+\n\
+\n\
+Testing, Inspection, and Debugging Options\n\
+------------------------------------------\n\
+\n\
+These options can be useful for digging into PDF files or for use in\n\
+automated test suites for software that uses the qpdf library.\n\
+\n\
+--static-id               generate static /ID: FOR TESTING ONLY!\n\
+--show-encryption         quickly show encryption parameters\n\
+--check-linearization     check file integrity and linearization status\n\
+--show-linearization      check and show all linearization data\n\
+--show-xref               show the contents of the cross-reference table\n\
+--show-object=obj[,gen]   show the contents of the given object\n\
+  --raw-stream-data       show raw stream data instead of object contents\n\
+  --filtered-stream-data  show filtered stream data instead of object contents\n\
+--show-pages              shows the object/generation number for each page\n\
+  --with-images           also shows the object IDs for images on each page\n\
+--check                   check file structure + encryption, linearization\n\
+\n\
+The --raw-stream-data and --filtered-stream-data options are ignored\n\
+unless --show-object is given.  Either of these options will cause the\n\
+stream data to be written to standard output.\n\
+\n\
+If --filtered-stream-data is given and --normalize-content=y is also\n\
+given, qpdf will attempt to normalize the stream data as if it is a\n\
+page content stream.  This attempt will be made even if it is not a\n\
+page content stream, in which case it will produce unusuable results.\n\
+\n\
+\n";
+
+void usage(std::string const& msg)
+{
+    std::cerr
+	<< std::endl
+	<< whoami << ": " << msg << std::endl
+	<< std::endl
+	<< "Usage: " << whoami << " [options] infile outfile" << std::endl
+	<< "For detailed help, run " << whoami << " --help" << std::endl
+	<< std::endl;
+    exit(2);
+}
+
+static void show_encryption(QPDF& pdf)
+{
+    // Extract /P from /Encrypt
+    QPDFObjectHandle trailer = pdf.getTrailer();
+    QPDFObjectHandle encrypt = trailer.getKey("/Encrypt");
+    if (encrypt.isNull())
+    {
+	std::cout << "File is not encrypted" << std::endl;
+    }
+    else
+    {
+	QPDFObjectHandle P = encrypt.getKey("/P");
+	std::cout << "P = " << P.getIntValue() << std::endl;
+	std::string user_password = pdf.getUserPassword();
+	QPDF::trim_user_password(user_password);
+	std::cout << "User password = " << user_password << std::endl;
+    }
+}
+
+static void
+parse_encrypt_options(
+    int argc, char* argv[], int& cur_arg,
+    std::string& user_password, std::string& owner_password, int& keylen,
+    bool& r2_print, bool& r2_modify, bool& r2_extract, bool& r2_annotate,
+    bool& r3_accessibility, bool& r3_extract,
+    QPDFWriter::r3_print_e& r3_print, QPDFWriter::r3_modify_e& r3_modify)
+{
+    if (cur_arg + 3 >= argc)
+    {
+	usage("insufficient arguments to --encrypt");
+    }
+    user_password = argv[cur_arg++];
+    owner_password = argv[cur_arg++];
+    std::string len_str = argv[cur_arg++];
+    if (len_str == "40")
+    {
+	keylen = 40;
+    }
+    else if (len_str == "128")
+    {
+	keylen = 128;
+    }
+    else
+    {
+	usage("encryption key length must be 40 or 128");
+    }
+    while (1)
+    {
+	char* arg = argv[cur_arg];
+	if (arg == 0)
+	{
+	    usage("insufficient arguments to --encrypt");
+	}
+	else if (strcmp(arg, "--") == 0)
+	{
+	    return;
+	}
+	if (arg[0] == '-')
+	{
+	    ++arg;
+	    if (arg[0] == '-')
+	    {
+		++arg;
+	    }
+	}
+	else
+	{
+	    usage(std::string("invalid encryption parameter ") + arg);
+	}
+	++cur_arg;
+	char* parameter = strchr(arg, '=');
+	if (parameter)
+	{
+	    *parameter++ = 0;
+	}
+	if (strcmp(arg, "print") == 0)
+	{
+	    if (parameter == 0)
+	    {
+		usage("--print must be given as --print=option");
+	    }
+	    std::string val = parameter;
+	    if (keylen == 40)
+	    {
+		if (val == "y")
+		{
+		    r2_print = true;
+		}
+		else if (val == "n")
+		{
+		    r2_print = false;
+		}
+		else
+		{
+		    usage("invalid 40-bit -print parameter");
+		}
+	    }
+	    else
+	    {
+		if (val == "full")
+		{
+		    r3_print = QPDFWriter::r3p_full;
+		}
+		else if (val == "low")
+		{
+		    r3_print = QPDFWriter::r3p_low;
+		}
+		else if (val == "none")
+		{
+		    r3_print = QPDFWriter::r3p_none;
+		}
+		else
+		{
+		    usage("invalid 128-bit -print parameter");
+		}
+	    }
+	}
+	else if (strcmp(arg, "modify") == 0)
+	{
+	    if (parameter == 0)
+	    {
+		usage("--modify must be given as --modify=option");
+	    }
+	    std::string val = parameter;
+	    if (keylen == 40)
+	    {
+		if (val == "y")
+		{
+		    r2_modify = true;
+		}
+		else if (val == "n")
+		{
+		    r2_modify = false;
+		}
+		else
+		{
+		    usage("invalid 40-bit -modify parameter");
+		}
+	    }
+	    else
+	    {
+		if (val == "all")
+		{
+		    r3_modify = QPDFWriter::r3m_all;
+		}
+		else if (val == "annotate")
+		{
+		    r3_modify = QPDFWriter::r3m_annotate;
+		}
+		else if (val == "form")
+		{
+		    r3_modify = QPDFWriter::r3m_form;
+		}
+		else if (val == "assembly")
+		{
+		    r3_modify = QPDFWriter::r3m_assembly;
+		}
+		else if (val == "none")
+		{
+		    r3_modify = QPDFWriter::r3m_none;
+		}
+		else
+		{
+		    usage("invalid 128-bit -modify parameter");
+		}
+	    }
+	}
+	else if (strcmp(arg, "extract") == 0)
+	{
+	    if (parameter == 0)
+	    {
+		usage("--extract must be given as --extract=option");
+	    }
+	    std::string val = parameter;
+	    bool result = false;
+	    if (val == "y")
+	    {
+		result = true;
+	    }
+	    else if (val == "n")
+	    {
+		result = false;
+	    }
+	    else
+	    {
+		usage("invalid -extract parameter");
+	    }
+	    if (keylen == 40)
+	    {
+		r2_extract = result;
+	    }
+	    else
+	    {
+		r3_extract = result;
+	    }
+	}
+	else if (strcmp(arg, "annotate") == 0)
+	{
+	    if (parameter == 0)
+	    {
+		usage("--annotate must be given as --annotate=option");
+	    }
+	    std::string val = parameter;
+	    bool result = false;
+	    if (val == "y")
+	    {
+		result = true;
+	    }
+	    else if (val == "n")
+	    {
+		result = false;
+	    }
+	    else
+	    {
+		usage("invalid -annotate parameter");
+	    }
+	    if (keylen == 40)
+	    {
+		r2_annotate = result;
+	    }
+	    else
+	    {
+		usage("-annotate invalid for 128-bit keys");
+	    }
+	}
+	else if (strcmp(arg, "accessibility") == 0)
+	{
+	    if (parameter == 0)
+	    {
+		usage("--accessibility must be given as"
+		      " --accessibility=option");
+	    }
+	    std::string val = parameter;
+	    bool result = false;
+	    if (val == "y")
+	    {
+		result = true;
+	    }
+	    else if (val == "n")
+	    {
+		result = false;
+	    }
+	    else
+	    {
+		usage("invalid -accessibility parameter");
+	    }
+	    if (keylen == 128)
+	    {
+		r3_accessibility = result;
+	    }
+	    else
+	    {
+		usage("-accessibility invalid for 40-bit keys");
+	    }
+	}
+	else
+	{
+	    usage(std::string("invalid encryption parameter --") + arg);
+	}
+    }
+}
+
+int main(int argc, char* argv[])
+{
+    if ((whoami = strrchr(argv[0], '/')) == NULL)
+    {
+	whoami = argv[0];
+    }
+    else
+    {
+	++whoami;
+    }
+    // For libtool's sake....
+    if (strncmp(whoami, "lt-", 3) == 0)
+    {
+	whoami += 3;
+    }
+
+    if ((argc == 2) && (strcmp(argv[1], "--version") == 0))
+    {
+	// make_dist looks for the line of code here that actually
+	// prints the version number, so read make_dist if you change
+	// anything other than the version number.  Don't worry about
+	// the numbers.  That's just a guide to 80 columns so that the
+	// help message looks right on an 80-column display.
+
+	//               1         2         3         4         5         6         7         8
+	//      12345678901234567890123456789012345678901234567890123456789012345678901234567890
+	std::cout
+	    << whoami << " version 2.0" << std::endl
+	    << "Copyright (c) 2005-2008 Jay Berkenbilt"
+	    << std::endl
+	    << "This software may be distributed under the terms of version 2 of the"
+	    << std::endl
+	    << "Artistic License which may be found in the source distribution.  It is"
+	    << std::endl
+	    << "provided \"as is\" without express or implied warranty."
+	    << std::endl;
+	exit(0);
+    }
+
+    if ((argc == 2) && (strcmp(argv[1], "--help") == 0))
+    {
+	std::cout << help;
+	exit(0);
+    }
+
+    char const* password = "";
+    bool linearize = false;
+    bool decrypt = false;
+
+    bool encrypt = false;
+    std::string user_password;
+    std::string owner_password;
+    int keylen = 0;
+    bool r2_print = true;
+    bool r2_modify = true;
+    bool r2_extract = true;
+    bool r2_annotate = true;
+    bool r3_accessibility = true;
+    bool r3_extract = true;;
+    QPDFWriter::r3_print_e r3_print = QPDFWriter::r3p_full;
+    QPDFWriter::r3_modify_e r3_modify = QPDFWriter::r3m_all;
+
+    bool stream_data_set = false;
+    QPDFWriter::stream_data_e stream_data_mode = QPDFWriter::s_compress;
+    bool normalize_set = false;
+    bool normalize = false;
+    bool suppress_recovery = false;
+    bool object_stream_set = false;
+    QPDFWriter::object_stream_e object_stream_mode = QPDFWriter::o_preserve;
+    bool ignore_xref_streams = false;
+    bool qdf_mode = false;
+
+    bool static_id = false;
+    bool show_encryption = false;
+    bool check_linearization = false;
+    bool show_linearization = false;
+    bool show_xref = false;
+    int show_obj = 0;
+    int show_gen = 0;
+    bool show_raw_stream_data = false;
+    bool show_filtered_stream_data = false;
+    bool show_pages = false;
+    bool show_page_images = false;
+    bool check = false;
+
+    bool require_outfile = true;
+    char const* infilename = 0;
+    char const* outfilename = 0;
+
+    for (int i = 1; i < argc; ++i)
+    {
+	char const* arg = argv[i];
+	if ((arg[0] == '-') && (strcmp(arg, "-") != 0))
+	{
+	    ++arg;
+	    if (arg[0] == '-')
+	    {
+		// Be lax about -arg vs --arg
+		++arg;
+	    }
+	    char* parameter = strchr(arg, '=');
+	    if (parameter)
+	    {
+		*parameter++ = 0;
+	    }
+
+	    if (strcmp(arg, "password") == 0)
+	    {
+		if (parameter == 0)
+		{
+		    usage("--password must be given as --password=pass");
+		}
+		password = parameter;
+	    }
+	    else if (strcmp(arg, "linearize") == 0)
+	    {
+		linearize = true;
+	    }
+	    else if (strcmp(arg, "encrypt") == 0)
+	    {
+		parse_encrypt_options(
+		    argc, argv, ++i,
+		    user_password, owner_password, keylen,
+		    r2_print, r2_modify, r2_extract, r2_annotate,
+		    r3_accessibility, r3_extract, r3_print, r3_modify);
+		encrypt = true;
+	    }
+	    else if (strcmp(arg, "decrypt") == 0)
+	    {
+		decrypt = true;
+	    }
+	    else if (strcmp(arg, "stream-data") == 0)
+	    {
+		if (parameter == 0)
+		{
+		    usage("--stream-data must be given as"
+			  "--stream-data=option");
+		}
+		stream_data_set = true;
+		if (strcmp(parameter, "compress") == 0)
+		{
+		    stream_data_mode = QPDFWriter::s_compress;
+		}
+		else if (strcmp(parameter, "preserve") == 0)
+		{
+		    stream_data_mode = QPDFWriter::s_preserve;
+		}
+		else if (strcmp(parameter, "uncompress") == 0)
+		{
+		    stream_data_mode = QPDFWriter::s_uncompress;
+		}
+		else
+		{
+		    usage("invalid stream-data option");
+		}
+	    }
+	    else if (strcmp(arg, "normalize-content") == 0)
+	    {
+		if ((parameter == 0) || (*parameter == '\0'))
+		{
+		    usage("--normalize-content must be given as"
+			  " --normalize-content=[yn]");
+		}
+		normalize_set = true;
+		normalize = (parameter[0] == 'y');
+	    }
+	    else if (strcmp(arg, "suppress-recovery") == 0)
+	    {
+		suppress_recovery = true;
+	    }
+	    else if (strcmp(arg, "object-streams") == 0)
+	    {
+		if (parameter == 0)
+		{
+		    usage("--object-streams must be given as"
+			  " --object-streams=option");
+		}
+		object_stream_set = true;
+		if (strcmp(parameter, "disable") == 0)
+		{
+		    object_stream_mode = QPDFWriter::o_disable;
+		}
+		else if (strcmp(parameter, "preserve") == 0)
+		{
+		    object_stream_mode = QPDFWriter::o_preserve;
+		}
+		else if (strcmp(parameter, "generate") == 0)
+		{
+		    object_stream_mode = QPDFWriter::o_generate;
+		}
+		else
+		{
+		    usage("invalid object stream mode");
+		}
+	    }
+	    else if (strcmp(arg, "ignore-xref-streams") == 0)
+	    {
+		ignore_xref_streams = true;
+	    }
+	    else if (strcmp(arg, "qdf") == 0)
+	    {
+		qdf_mode = true;
+	    }
+	    else if (strcmp(arg, "static-id") == 0)
+	    {
+		static_id = true;
+	    }
+	    else if (strcmp(arg, "show-encryption") == 0)
+	    {
+		show_encryption = true;
+		require_outfile = false;
+	    }
+	    else if (strcmp(arg, "check-linearization") == 0)
+	    {
+		check_linearization = true;
+		require_outfile = false;
+	    }
+	    else if (strcmp(arg, "show-linearization") == 0)
+	    {
+		show_linearization = true;
+		require_outfile = false;
+	    }
+	    else if (strcmp(arg, "show-xref") == 0)
+	    {
+		show_xref = true;
+		require_outfile = false;
+	    }
+	    else if (strcmp(arg, "show-object") == 0)
+	    {
+		if (parameter == 0)
+		{
+		    usage("--show-object must be given as"
+			  " --show-object=obj[,gen]");
+		}
+		char* obj = parameter;
+		char* gen = obj;
+		if ((gen = strchr(obj, ',')) != 0)
+		{
+		    *gen++ = 0;
+		    show_gen = atoi(gen);
+		}
+		show_obj = atoi(obj);
+		require_outfile = false;
+	    }
+	    else if (strcmp(arg, "raw-stream-data") == 0)
+	    {
+		show_raw_stream_data = true;
+	    }
+	    else if (strcmp(arg, "filtered-stream-data") == 0)
+	    {
+		show_filtered_stream_data = true;
+	    }
+	    else if (strcmp(arg, "show-pages") == 0)
+	    {
+		show_pages = true;
+		require_outfile = false;
+	    }
+	    else if (strcmp(arg, "with-images") == 0)
+	    {
+		show_page_images = true;
+	    }
+	    else if (strcmp(arg, "check") == 0)
+	    {
+		check = true;
+		require_outfile = false;
+	    }
+	    else
+	    {
+		usage(std::string("unknown option --") + arg);
+	    }
+	}
+	else if (infilename == 0)
+	{
+	    infilename = arg;
+	}
+	else if (outfilename == 0)
+	{
+	    outfilename = arg;
+	}
+	else
+	{
+	    usage(std::string("unknown argument ") + arg);
+	}
+    }
+
+    if (infilename == 0)
+    {
+	usage("an input file name is required");
+    }
+    else if (require_outfile && (outfilename == 0))
+    {
+	usage("an output file name is required; use - for standard output");
+    }
+    else if ((! require_outfile) && (outfilename != 0))
+    {
+	usage("no output file may be given for this option");
+    }
+
+    try
+    {
+	QPDF pdf;
+	if (ignore_xref_streams)
+	{
+	    pdf.setIgnoreXRefStreams(true);
+	}
+	if (suppress_recovery)
+	{
+	    pdf.setAttemptRecovery(false);
+	}
+	pdf.processFile(infilename, password);
+	if (outfilename == 0)
+	{
+	    if (show_encryption)
+	    {
+		::show_encryption(pdf);
+	    }
+	    if (check_linearization)
+	    {
+		if (pdf.checkLinearization())
+		{
+		    std::cout << infilename << ": no linearization errors"
+			      << std::endl;
+		}
+		else
+		{
+		    exit(2);
+		}
+	    }
+	    if (show_linearization)
+	    {
+		pdf.showLinearizationData();
+	    }
+	    if (show_xref)
+	    {
+		pdf.showXRefTable();
+	    }
+	    if (show_obj > 0)
+	    {
+		QPDFObjectHandle obj = pdf.getObjectByID(show_obj, show_gen);
+		if (obj.isStream())
+		{
+		    if (show_raw_stream_data || show_filtered_stream_data)
+		    {
+			bool filter = show_filtered_stream_data;
+			if (filter &&
+			    (! obj.pipeStreamData(0, true, false, false)))
+			{
+			    QTC::TC("qpdf", "unable to filter");
+			    std::cerr << "Unable to filter stream data."
+				      << std::endl;
+			    exit(2);
+			}
+			else
+			{
+			    Pl_StdioFile out("stdout", stdout);
+			    obj.pipeStreamData(&out, filter, normalize, false);
+			}
+		    }
+		    else
+		    {
+			std::cout
+			    << "Object is stream.  Dictionary:" << std::endl
+			    << obj.getDict().unparseResolved() << std::endl;
+		    }
+		}
+		else
+		{
+		    std::cout << obj.unparseResolved() << std::endl;
+		}
+	    }
+	    if (show_pages)
+	    {
+		std::vector<QPDFObjectHandle> pages = pdf.getAllPages();
+		int pageno = 0;
+		for (std::vector<QPDFObjectHandle>::iterator iter =
+			 pages.begin();
+		     iter != pages.end(); ++iter)
+		{
+		    QPDFObjectHandle& page = *iter;
+		    ++pageno;
+
+		    std::cout << "page " << pageno << ": "
+			      << page.getObjectID() << " "
+			      << page.getGeneration() << " R" << std::endl;
+		    if (show_page_images)
+		    {
+			std::map<std::string, QPDFObjectHandle> images =
+			    page.getPageImages();
+			if (! images.empty())
+			{
+			    std::cout << "  images:" << std::endl;
+			    for (std::map<std::string,
+				     QPDFObjectHandle>::iterator
+				     iter = images.begin();
+				 iter != images.end(); ++iter)
+			    {
+				std::string const& name = (*iter).first;
+				QPDFObjectHandle image = (*iter).second;
+				QPDFObjectHandle dict = image.getDict();
+				int width =
+				    dict.getKey("/Width").getIntValue();
+				int height =
+				    dict.getKey("/Height").getIntValue();
+				std::cout << "    " << name << ": "
+					  << image.unparse()
+					  << ", " << width << " x " << height
+					  << std::endl;
+			    }
+			}
+		    }
+
+		    std::cout << "  content:" << std::endl;
+		    std::vector<QPDFObjectHandle> content =
+			page.getPageContents();
+		    for (std::vector<QPDFObjectHandle>::iterator iter =
+			     content.begin();
+			 iter != content.end(); ++iter)
+		    {
+			std::cout << "    " << (*iter).unparse() << std::endl;
+		    }
+		}
+	    }
+	    if (check)
+	    {
+		bool okay = false;
+		std::cout << "checking " << infilename << std::endl;
+		try
+		{
+		    ::show_encryption(pdf);
+		    if (pdf.isLinearized())
+		    {
+			std::cout << "File is linearized\n";
+			okay = pdf.checkLinearization();
+			// any errors are reported by checkLinearization().
+		    }
+		    else
+		    {
+			std::cout << "File is not linearized\n";
+			// calling flattenScalarReferences causes full
+			// traversal of file, so any structural errors
+			// would be exposed.
+			pdf.flattenScalarReferences();
+			okay = true;
+		    }
+		}
+		catch (std::exception& e)
+		{
+		    std::cout << e.what() << std::endl;
+		}
+		if (okay)
+		{
+		    std::cout << "No errors found" << std::endl;
+		}
+	    }
+	}
+	else
+	{
+	    if (strcmp(outfilename, "-") == 0)
+	    {
+		outfilename = 0;
+	    }
+	    QPDFWriter w(pdf, outfilename);
+	    if (qdf_mode)
+	    {
+		w.setQDFMode(true);
+	    }
+	    if (normalize_set)
+	    {
+		w.setContentNormalization(normalize);
+	    }
+	    if (stream_data_set)
+	    {
+		w.setStreamDataMode(stream_data_mode);
+	    }
+	    if (decrypt)
+	    {
+		w.setPreserveEncryption(false);
+	    }
+	    if (static_id)
+	    {
+		w.setStaticID(true);
+	    }
+	    if (encrypt)
+	    {
+		if (keylen == 40)
+		{
+		    w.setR2EncryptionParameters(
+			user_password.c_str(), owner_password.c_str(),
+			r2_print, r2_modify, r2_extract, r2_annotate);
+		}
+		else if (keylen == 128)
+		{
+		    w.setR3EncryptionParameters(
+			user_password.c_str(), owner_password.c_str(),
+			r3_accessibility, r3_extract, r3_print, r3_modify);
+		}
+		else
+		{
+		    throw QEXC::Internal("bad encryption keylen");
+		}
+	    }
+	    if (linearize)
+	    {
+		w.setLinearization(true);
+	    }
+	    if (object_stream_set)
+	    {
+		w.setObjectStreamMode(object_stream_mode);
+	    }
+	    w.write();
+	}
+    }
+    catch (std::exception& e)
+    {
+	std::cerr << e.what() << std::endl;
+	exit(2);
+    }
+
+    return 0;
+}
diff --git a/qpdf/qpdf.testcov b/qpdf/qpdf.testcov
new file mode 100644
index 00000000..e6323600
--- /dev/null
+++ b/qpdf/qpdf.testcov
@@ -0,0 +1,117 @@
+ignored-scope: libtests
+QPDF lindict null found 0
+QPDF lindict searching after null 0
+QPDF err expected endobj 0
+QPDF err wrong objid/generation 0
+QPDF check objid 1
+QPDF check generation 1
+QPDF check obj 1
+QPDF hint table length indirect 0
+QPDF hint table length direct 0
+QPDF P absent in lindict 0
+QPDF P present in lindict 0
+QPDF expected n n obj 0
+QPDF lindict found newline 0
+QPDF /L mismatch 0
+QPDF err /T mismatch 0
+QPDF err /O mismatch 0
+QPDF opt direct pages resource 1
+QPDF opt inheritable keys 0
+QPDF opt no inheritable keys 0
+QPDF opt erase empty key ancestor 0
+QPDF opt resource inherited 0
+QPDF opt page resource hides ancestor 0
+QPDF opt key ancestors depth > 1 0
+QPDF opt loop detected 0
+QPDF categorize pagemode present 1
+QPDF categorize pagemode outlines 1
+QPDF warn /E mismatch 0
+QPDF lin outlines in part 1
+QPDF lin nshared_total > nshared_first_page 1
+QPDF lin part 8 empty 1
+QPDF lin check shared past first page 0
+QPDF opt flatten array scalar 0
+QPDF opt flatten dict scalar 0
+main QTest implicit 0
+main QTest indirect 1
+main QTest null 0
+main QTest bool 1
+main QTest int 0
+main QTest real 0
+main QTest name 0
+main QTest string 0
+main QTest array 0
+main QTest array indirect 1
+main QTest dictionary 0
+main QTest dictionary indirect 1
+main QTest stream 0
+QPDFWriter write to stdout 0
+QPDFWriter write to file 0
+QPDF lin write nshared_total > nshared_first_page 1
+QPDFWriter encrypted hint stream 0
+QPDF opt inherited scalar 0
+QPDF xref reused object 0
+QPDF xref gen > 0 1
+QPDF xref size mismatch 0
+QPDF not a pdf file 0
+QPDF can't find startxref 0
+QPDF invalid xref 0
+QPDF invalid xref entry 0
+QPDF missing trailer 0
+QPDF trailer lacks size 0
+QPDF trailer size not integer 0
+QPDF trailer prev not integer 0
+QPDF bad brace 0
+QPDF bad array close 0
+QPDF dictionary odd number of elements 0
+QPDF stream without length 0
+QPDF stream length not integer 0
+QPDF missing endstream 0
+QPDF bad dictionary close 0
+QPDF can't find xref 0
+QPDF_Tokenizer bad ) 0
+QPDF_Tokenizer bad > 0
+QPDF_Tokenizer bad ( 0
+QPDF_Tokenizer null in name 0
+QPDF_Tokenizer bad name 0
+QPDF_Stream invalid filter 0
+QPDF UseOutlines but no Outlines 0
+QPDFObjectHandle clone bool 0
+QPDFObjectHandle clone null 0
+QPDFObjectHandle clone integer 0
+QPDFObjectHandle clone real 0
+QPDFObjectHandle clone name 0
+QPDFObjectHandle clone string 0
+QPDFObjectHandle clone array 0
+QPDFObjectHandle clone dictionary 0
+QPDFObjectHandle makeDirect loop 0
+QPDFObjectHandle ERR clone stream 0
+QPDFTokenizer allow pound anywhere in name 0
+QPDF indirect last obj from xref 1
+QPDF default for xref stream field 0 0
+QPDF prev key in xref stream dictionary 0
+QPDF prev key in trailer dictionary 0
+QPDF found xref stream 0
+QPDF ignoring XRefStm in trailer 0
+QPDF xref deleted object 0
+QPDF_Stream PNG filter 0
+QPDF xref /Index is null 0
+QPDF xref /Index is array 1
+QPDFWriter copy Extends 0
+QPDFWriter encrypt object stream 0
+QPDFWriter uncompressing page dictionary 0
+QPDFWriter uncompressing root 0
+QPDFWriter compressing uncompressed stream 0
+QPDF exclude indirect length 0
+QPDFWriter generate >1 ostream 0
+QPDF exclude encryption dictionary 0
+QPDF loop detected traversing objects 0
+QPDF reconstructed xref table 0
+QPDF recovered in readObjectAtOffset 0
+QPDF recovered stream length 0
+QPDF found wrong endstream in recovery 0
+QPDFObjectHandle indirect to unknown 0
+QPDF_Stream pipeStreamData with null pipeline 0
+QPDFWriter not recompressing /FlateDecode 0
+QPDF piping xref stream from encrypted file 0
+unable to filter 0
diff --git a/qpdf/qtest/qpdf.test b/qpdf/qtest/qpdf.test
new file mode 100644
index 00000000..d3aeded6
--- /dev/null
+++ b/qpdf/qtest/qpdf.test
@@ -0,0 +1,942 @@
+#!/usr/bin/env perl
+require 5.008;
+BEGIN { $^W = 1; }
+use strict;
+use File::Copy;
+use File::Basename;
+use Cwd;
+use Digest::MD5;
+
+chdir("qpdf") or die "chdir testdir failed: $!\n";
+
+require TestDriver;
+
+cleanup();
+
+my $td = new TestDriver('qpdf');
+
+my $compare_images = 1;
+if ((exists $ENV{'SKIP_TEST_COMPARE_IMAGES'}) &&
+    ($ENV{'SKIP_TEST_COMPARE_IMAGES'} eq '1'))
+{
+    $compare_images = 0;
+}
+
+my $have_acroread = 0;
+
+if ($compare_images)
+{
+    # check for acroread
+    my @path = split(':', $ENV{'PATH'});
+    foreach my $p (@path)
+    {
+	if (-x "$p/acroread")
+	{
+	    $have_acroread = 1;
+	    last;
+	}
+    }
+}
+
+# These variables are used to store the total number of tests in the
+# test suite.  NOTE: qtest's requirement to indicate the number of
+# tests serves as a check that the test suite is operating properly.
+# Do not calculate these values as a side effect of running the tests.
+# That defeats the purpose.  However, since this test suite consists
+# of several separate series of tests, many of which iterate over
+# static lists of things, we calculate the numbers as we go in terms
+# of static values.
+
+# This should be set to the number of times we called compare_pdfs.
+# This has to be kept separate because the number of test cases
+# compare_pdfs generates depends on the value of $compare_images.
+my $n_compare_pdfs = 0;
+
+# This should be set to the number of times we call acroread.
+my $n_acroread = 0;
+
+# Each section of tests should increment this number by the number of
+# tests they generate excluding calls to acroread or compare_pdfs,
+# which are tracked separately by $n_compare_pdfs and $n_acroread.
+my $n_tests = 0;
+
+# Call show_ntests after each block of test cases.  In show_ntests,
+# you can turn on printing of the expected number of test cases.  This
+# is useful for tracking down problems in the number of test cases.
+
+show_ntests();
+# ----------
+
+$n_compare_pdfs += 5;
+
+# Check compare_pdfs to make sure that it works properly.  Each call
+# to compare_pdfs is worth three test cases.
+compare_pdfs("p1-a-p2-b.pdf", "p1-a-p2-b.pdf");
+compare_pdfs("p1-a.pdf", "p1-a.pdf");
+compare_pdfs("p1-a.pdf", "p1-b.pdf", 1);
+compare_pdfs("p1-a.pdf", "p1-a-p2-b.pdf", 1);
+compare_pdfs("p1-a-p2-a.pdf", "p1-a-p2-b.pdf", 1);
+flush_tiff_cache();
+
+show_ntests();
+# ----------
+$td->notify("--- Miscellaneous Tests ---");
+$n_tests += 3;
+
+foreach (my $i = 1; $i <= 3; ++$i)
+{
+    $td->runtest("misc tests",
+		 {$td->COMMAND => "test_driver 5 misc-$i.pdf"},
+		 {$td->FILE => "misc-$i.out", $td->EXIT_STATUS => 0},
+		 $td->NORMALIZE_NEWLINES);
+}
+
+show_ntests();
+# ----------
+$td->notify("--- Error Condition Tests ---");
+# $n_tests incremented after initialization of badfiles below.
+
+my @badfiles = ("not a PDF file", 			# 1
+		"no startxref",				# 2
+		"bad primary xref offset",		# 3
+		"invalid xref syntax",			# 4
+		"invalid xref entry",			# 5
+		"free table inconsistency",		# 6
+		"no trailer dictionary",		# 7
+		"bad secondary xref",			# 8
+		"no /Size in trailer",			# 9
+		"/Size not integer",			# 10
+		"/Prev not integer",			# 11
+		"/Size inconsistency",			# 12
+		"bad {",				# 13
+		"bad }",				# 14
+		"bad ]",				# 15
+		"bad >>",				# 16
+		"odd number of dictionary items",	# 17
+		"bad )",				# 18
+		"bad >",				# 19
+		"invalid hexstring character",		# 20
+		"invalid name token",			# 21
+		"no /Length for stream dictionary",	# 22
+		"/Length not integer",			# 23
+		"expected endstream",			# 24
+		"bad obj declaration (objid)",		# 25
+		"bad obj declaration (generation)",	# 26
+		"bad obj declaration (obj)",		# 27
+		"expected endobj",			# 28
+		"null in name",				# 29
+		"invalid stream /Filter",		# 30
+		"unknown stream /Filter",		# 31
+		"obj/gen mismatch",			# 32
+		);
+
+$n_tests += @badfiles;
+
+# Test 6 contains errors in the free table consistency, but we no
+# longer have any consistency check for this since it is not important
+# neither Acrobat nor other PDF viewers really care.  Tests 12 and 28
+# have error conditions that used to be fatal but are now considered
+# non-fatal.
+my %badtest_overrides = (6 => 0, 12 => 0, 28 => 0, 31 => 0);
+for (my $i = 1; $i <= scalar(@badfiles); ++$i)
+{
+    my $status = $badtest_overrides{$i};
+    $status = 2 unless defined $status;
+    $td->runtest($badfiles[$i-1],
+		 {$td->COMMAND => "test_driver 0 bad$i.pdf"},
+		 {$td->FILE => "bad$i.out",
+		  $td->EXIT_STATUS => $status},
+		 $td->NORMALIZE_NEWLINES);
+}
+
+show_ntests();
+# ----------
+$td->notify("--- Recovery Tests ---");
+$n_tests += @badfiles + 2;
+
+# Recovery tests.  These are mostly after-the-fact -- when recovery
+# was implemented, some degree of recovery was possible on many of the
+# files.  Mostly the recovery does not actually repair the error,
+# though in some cases it may.  Acrobat Reader would not be able to
+# recover any of these files any better.
+my %recover_failures = ();
+for (1, 7, 13..21, 24..27, 29..30)
+{
+    $recover_failures{$_} = 1;
+}
+for (my $i = 1; $i <= scalar(@badfiles); ++$i)
+{
+    my $status = 0;
+    if (exists $recover_failures{$i})
+    {
+	$status = 2;
+    }
+    $td->runtest("recover " . $badfiles[$i-1],
+		 {$td->COMMAND => "test_driver 1 bad$i.pdf"},
+		 {$td->FILE => "bad$i-recover.out",
+		  $td->EXIT_STATUS => $status},
+		 $td->NORMALIZE_NEWLINES);
+}
+
+# This heifer file was a real file that contained errors that Acrobat
+# Reader can recover.  We can recover it too.
+$td->runtest("recover heifer file",
+	     {$td->COMMAND => "qpdf --static-id -qdf heifer.pdf a.pdf"},
+	     {$td->FILE => "heifer.out",
+	      $td->EXIT_STATUS => 0},
+	     $td->NORMALIZE_NEWLINES);
+$td->runtest("check output",
+	     {$td->FILE => "a.pdf"},
+	     {$td->FILE => "heifer.qdf"});
+
+show_ntests();
+# ----------
+$td->notify("--- Basic Parsing Tests ---");
+# $n_tests incremented below after initialization of @goodfiles.
+
+my @goodfiles = ("implicit null",			# 1
+		 "direct null",				# 2
+		 "unresolved null",			# 3
+		 "indirect null",			# 4
+		 "indirect bool",			# 5
+		 "direct bool",				# 6
+		 "integer",				# 7
+		 "real, ASCIIHexDecode",		# 8
+		 "string",				# 9
+		 "array",				# 10
+		 "dictionary",				# 11
+		 "stream",				# 12
+		 "nesting, strings, names",		# 13
+		 "tokenizing pipeline",			# 14
+		 "name",				# 15
+		 "object-stream",			# 16
+		 "hybrid xref",				# 17
+		 "hybrid xref old mode",		# 18
+		 "xref with prev",			# 19
+		 "lots of compressible objects",	# 20
+		 );
+
+$n_tests += (9 * @goodfiles) + 6;
+
+my %goodtest_overrides = ('14' => 3);
+my %goodtest_flags =
+    ('18' => '-ignore-xref-streams',
+     '20' => '-object-streams=generate',
+    );
+for (my $i = 1; $i <= scalar(@goodfiles); ++$i)
+{
+    my $n = $goodtest_overrides{$i} || 1;
+    foreach my $lang (qw(C en_US en_US.UTF-8))
+    {
+	$td->runtest("$goodfiles[$i-1], ($lang)",
+		     {$td->COMMAND => "test_driver $n good$i.pdf"},
+		     {$td->FILE => "good$i.out",
+		      $td->EXIT_STATUS => 0});
+	my $xflags = $goodtest_flags{$i} || '';
+	check_pdf("create qdf",
+		  "qpdf --static-id -qdf $xflags good$i.pdf",
+		  "good$i.qdf", 0);
+    }
+}
+
+check_pdf("no normalization",
+	  "qpdf -qdf --static-id --normalize-content=n good7.pdf",
+	  "good7-not-normalized.qdf",
+	  0);
+
+check_pdf("no qdf",
+	  "qpdf --static-id good17.pdf",
+	  "good17-not-qdf.pdf",
+	  0);
+
+check_pdf("no recompression",
+	  "qpdf --static-id --stream-data=preserve good17.pdf",
+	  "good17-not-recompressed.pdf",
+	  0);
+
+show_ntests();
+# ----------
+$td->notify("--- Object Stream Tests ---");
+$n_tests += 36 * 4;
+$n_compare_pdfs += 36;
+
+for (my $n = 16; $n <= 19; ++$n)
+{
+    my $in = "good$n.pdf";
+    foreach my $flags ('-object-streams=disable',
+		       '-object-streams=preserve',
+		       '-object-streams=generate')
+    {
+	foreach my $qdf ('-qdf', '', '-encrypt "" x 128 --')
+	{
+	    # 4 tests + 1 compare_pdfs
+	    $td->runtest("object stream mode",
+			 {$td->COMMAND =>
+			      "qpdf --static-id $flags $qdf $in a.pdf"},
+			 {$td->STRING => "",
+			  $td->EXIT_STATUS => 0});
+	    compare_pdfs("good$n.pdf", "a.pdf");
+	    $td->runtest("convert to qdf",
+			 {$td->COMMAND =>
+			      "qpdf --static-id -qdf -decrypt" .
+			      " -object-streams=disable $in a.qdf"},
+			 {$td->STRING => "",
+			  $td->EXIT_STATUS => 0});
+	    $td->runtest("convert output to qdf",
+			 {$td->COMMAND =>
+			      "qpdf --static-id -qdf" .
+			      " -object-streams=disable a.pdf b.qdf"},
+			 {$td->STRING => "",
+			  $td->EXIT_STATUS => 0});
+	    $td->runtest("compare files",
+			 {$td->FILE => "a.qdf"},
+			 {$td->FILE => "b.qdf"});
+	}
+    }
+    flush_tiff_cache();
+}
+
+show_ntests();
+# ----------
+$td->notify("--- Specific File Tests ---");
+$n_tests += 1;
+
+# Special PDF files that caused problems at some point
+
+# This file is a PDF 1.1 file with /# as a name and with
+# inconsistencies in its free table.
+$td->runtest("old and complex",
+	     {$td->COMMAND => "qpdf --check old-and-complex.pdf"},
+	     {$td->STRING => +("checking old-and-complex.pdf\n" .
+			       "File is not encrypted\n" .
+			       "File is not linearized\n" .
+			       "No errors found\n"),
+			       $td->EXIT_STATUS => 0},
+	     $td->NORMALIZE_NEWLINES);
+
+show_ntests();
+# ----------
+$td->notify("--- Mutability Tests ---");
+$n_tests += 4;
+
+$td->runtest("no normalization",
+	     {$td->COMMAND => "test_driver 4 test4-1.pdf"},
+	     {$td->FILE => "test4-1.qdf",
+	      $td->EXIT_STATUS => 0});
+
+$td->runtest("object ordering",
+	     {$td->COMMAND => "test_driver 4 test4-4.pdf"},
+	     {$td->FILE => "test4-4.qdf",
+	      $td->EXIT_STATUS => 0});
+
+$td->runtest("loop detected",
+	     {$td->COMMAND => "test_driver 4 test4-2.pdf"},
+	     {$td->FILE => "test4-2.out",
+	      $td->EXIT_STATUS => 2},
+	     $td->NORMALIZE_NEWLINES);
+
+$td->runtest("stream detected",
+	     {$td->COMMAND => "test_driver 4 test4-3.pdf"},
+	     {$td->FILE => "test4-3.out",
+	      $td->EXIT_STATUS => 2},
+	     $td->NORMALIZE_NEWLINES);
+
+show_ntests();
+# ----------
+$td->notify("--- Extraction Tests ---");
+$n_tests += 11;
+
+$td->runtest("show xref",
+	     {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
+		  " --show-xref"},
+	     {$td->FILE => "show-xref.out",
+	      $td->EXIT_STATUS => 0},
+	     $td->NORMALIZE_NEWLINES);
+
+$td->runtest("show pages",
+	     {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
+		  " --show-pages"},
+	     {$td->FILE => "show-pages.out",
+	      $td->EXIT_STATUS => 0},
+	     $td->NORMALIZE_NEWLINES);
+
+$td->runtest("show-pages-images",
+	     {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
+		  " --show-pages --with-images"},
+	     {$td->FILE => "show-pages-images.out",
+	      $td->EXIT_STATUS => 0},
+	     $td->NORMALIZE_NEWLINES);
+
+$td->runtest("show-page-1",
+	     {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
+		  " --show-object=5,0"},
+	     {$td->FILE => "show-page-1.out",
+	      $td->EXIT_STATUS => 0},
+	     $td->NORMALIZE_NEWLINES);
+
+$td->runtest("show-page-1-content-raw",
+	     {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
+		  " --show-object=7 --raw-stream-data"},
+	     {$td->FILE => "show-page-1-content-raw.out",
+	      $td->EXIT_STATUS => 0});
+
+$td->runtest("show-page-1-content-filtered",
+	     {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
+		  " --show-object=7 --filtered-stream-data"},
+	     {$td->FILE => "show-page-1-content-filtered.out",
+	      $td->EXIT_STATUS => 0});
+
+$td->runtest("show-page-1-content-normalized",
+	     {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
+		  " --show-object=7,0 --filtered-stream-data --normalize-content=y"},
+	     {$td->FILE => "show-page-1-content-normalized.out",
+	      $td->EXIT_STATUS => 0});
+
+$td->runtest("show-page-1-image",
+	     {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
+		  " --show-object=8 --raw-stream-data"},
+	     {$td->FILE => "show-page-1-image.out",
+	      $td->EXIT_STATUS => 0});
+
+$td->runtest("unfilterable stream data",
+	     {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
+		  " --show-object=8 --filtered-stream-data"},
+	     {$td->FILE => "show-unfilterable.out",
+	      $td->EXIT_STATUS => 2});
+
+$td->runtest("show-xref-by-id",
+	     {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
+		  " --show-object=12"},
+	     {$td->FILE => "show-xref-by-id.out",
+	      $td->EXIT_STATUS => 0},
+	     $td->NORMALIZE_NEWLINES);
+
+$td->runtest("show-xref-by-id-filtered",
+	     {$td->COMMAND => "qpdf encrypted-with-images.pdf" .
+		  " --show-object=12 --filtered-stream-data"},
+	     {$td->FILE => "show-xref-by-id-filtered.out",
+	      $td->EXIT_STATUS => 0});
+
+show_ntests();
+# ----------
+$td->notify("--- Linearization Tests ---");
+# $n_tests incremented after initialization of @linearized_files and
+# @to_linearize.
+
+# *'ed files were linearized with Pdlin.
+my @linearized_files =
+    ('lin0',			#   not linearized
+     'lin1',			# * outlines, page labels, pdlin
+     'lin2',			# * lin1 with null and newline
+     'lin3',			#   same file saved with acrobat
+     'lin4',			# * lin1 with no /PageMode
+     'lin5',			#   lin3 with embedded thumbnails
+     'lin6',			# * lin5 with pdlin
+     'lin7',			#   lin5 with /PageMode /UseThumbs
+     'lin8',			# * lin7 with pdlin
+     'lin9',			# * shared objects, indirect null
+     'badlin1',			#   parameter dictionary errors
+     );
+
+my @to_linearize =
+    ('lin-special',		# lots of weird cases -- see file comments
+     'delete-and-reuse',	# deleted, reused objects
+     'lin-delete-and-reuse',	# linearized, then delete and reuse
+     'object-stream',		# contains object streams
+     'hybrid-xref',	        # contains both xref tables and streams
+     @linearized_files,		# we should be able to relinearize
+     );
+
+$n_tests += @linearized_files + 6;
+$n_tests += (3 * @to_linearize * 5) + 6;
+
+foreach my $base (@linearized_files)
+{
+    $td->runtest("dump linearization: $base",
+		 {$td->COMMAND => "qpdf --show-linearization $base.pdf"},
+		 {$td->FILE => "$base.out",
+		  $td->EXIT_STATUS => 0},
+		 $td->NORMALIZE_NEWLINES);
+}
+
+# Check normal modified and linearized modified files, making sure
+# that their qdf files are identical.  The next two tests have the
+# same expected output files and different input files.
+check_pdf("modified",
+	  "qpdf --static-id --qdf delete-and-reuse.pdf",
+	  "delete-and-reuse.qdf",
+	  0);
+check_pdf("linearized and modified",
+	  "qpdf --static-id --qdf lin-delete-and-reuse.pdf",
+	  "delete-and-reuse.qdf", # not lin-delete-and-reuse.qdf
+	  0);
+
+$td->runtest("check linearized and modified",
+	     {$td->COMMAND => "qpdf --check lin-delete-and-reuse.pdf"},
+	     {$td->STRING => +("checking lin-delete-and-reuse.pdf\n" .
+			       "File is not encrypted\n" .
+			       "File is not linearized\n" .
+			       "No errors found\n"),
+			       $td->EXIT_STATUS => 0},
+	     $td->NORMALIZE_NEWLINES);
+$td->runtest("check multiple modifications",
+	     {$td->COMMAND => "qpdf --check multiple-mods.pdf"},
+	     {$td->STRING => +("checking multiple-mods.pdf\n" .
+			       "File is not encrypted\n" .
+			       "File is not linearized\n" .
+			       "No errors found\n"),
+			       $td->EXIT_STATUS => 0},
+	     $td->NORMALIZE_NEWLINES);
+
+foreach my $base (@to_linearize)
+{
+    foreach my $omode (qw(disable preserve generate))
+    {
+	my $oarg = "-object-streams=$omode";
+	$td->runtest("linearize $base ($omode)",
+		     {$td->COMMAND =>
+			  "qpdf -linearize $oarg --static-id $base.pdf a.pdf"},
+		     {$td->STRING => "",
+		      $td->EXIT_STATUS => 0});
+	$td->runtest("check linearization",
+		     {$td->COMMAND => "qpdf --check-linearization a.pdf"},
+		     {$td->STRING => "a.pdf: no linearization errors\n",
+		      $td->EXIT_STATUS => 0},
+		     $td->NORMALIZE_NEWLINES);
+	# Relinearizing twice should produce identical results.  We
+	# have to do it twice because, if objects changed ordering
+	# during the original linearization, the hint tables won't
+	# exactly match.  This is because object identifiers are
+	# inserted into the hint table in their original order since
+	# we don't yet have renumbering information when we compute
+	# the table values.
+	$td->runtest("relinearize $base 1",
+		     {$td->COMMAND =>
+			  "qpdf -linearize --static-id a.pdf b.pdf"},
+		     {$td->STRING => "",
+		      $td->EXIT_STATUS => 0});
+	$td->runtest("relinearize $base 2",
+		     {$td->COMMAND =>
+			  "qpdf -linearize --static-id b.pdf c.pdf"},
+		     {$td->STRING => "",
+		      $td->EXIT_STATUS => 0});
+	$td->runtest("compare files ($omode)",
+		     {$td->FILE => "b.pdf"},
+		     {$td->FILE => "c.pdf"});
+	if (($base eq 'lin-special') || ($base eq 'object-stream'))
+	{
+	    $td->runtest("check $base ($omode)",
+			 {$td->FILE => "a.pdf"},
+			 {$td->FILE => "$base.$omode.exp"});
+	}
+    }
+}
+
+show_ntests();
+# ----------
+$td->notify("--- Encryption Tests ---");
+# $n_tests incremented below
+
+# The enc-file.pdf files were encrypted using Acrobat 5.0, not the
+# qpdf library.  The files are decrypted using qpdf, then re-encrypted
+# using qpdf with specific flags.  The /P value is checked.  The
+# resulting files were saved and manually checked with Acrobat 5.0 to
+# ensure that the security settings were as intended.
+
+# Values: basename, password, encryption flags, /P Encrypt key.
+my @encrypted_files =
+    (['base', ''],
+     ['R3,V2', '',
+      '-accessibility=n -extract=n -print=full -modify=all', -532],
+     ['R3,V2,U=view', 'view',
+      '-accessibility=y -extract=n -print=none -modify=none', -3392],
+     ['R3,V2,O=master', 'master',
+      '-accessibility=n -extract=y -print=none -modify=annotate', -2576],
+     ['R3,V2,O=master', '',
+      '-accessibility=n -extract=n -print=none -modify=form', -2624],
+     ['R3,V2,U=view,O=master', 'view',
+      '-accessibility=n -extract=n -print=none -modify=assembly', -2880],
+     ['R3,V2,U=view,O=master', 'master',
+      '-accessibility=n -print=low', -2564],
+     ['R2,V1', '',
+      '-print=n -modify=n -extract=n -annotate=n', -64],
+     ['R2,V1,U=view', 'view',
+      '-print=y -modify=n -extract=n -annotate=n', -60],
+     ['R2,V1,O=master', 'master',
+      '-print=n -modify=y -extract=n -annotate=n', -56],
+     ['R2,V1,O=master', '',
+      '-print=n -modify=n -extract=y -annotate=n', -48],
+     ['R2,V1,U=view,O=master', 'view',
+      '-print=n -modify=n -extract=n -annotate=y', -32],
+     ['R2,V1,U=view,O=master', 'master',
+      '', -4],
+     ['long-password', 'asdf asdf asdf asdf asdf asdf qwer'],
+     ['long-password', 'asdf asdf asdf asdf asdf asdf qw']);
+
+$n_tests += 3 + (2 * (@encrypted_files)) + (6 * (@encrypted_files - 3)) + 8;
+
+$td->runtest("encrypted file",
+	     {$td->COMMAND => "test_driver 2 U25A0.pdf"},
+	     {$td->FILE => "encrypted1.out",
+	      $td->EXIT_STATUS => 0},
+	     $td->NORMALIZE_NEWLINES);
+$td->runtest("preserve encryption",
+	     {$td->COMMAND => "qpdf U25A0.pdf U25A0.enc"},
+	     {$td->STRING => "",
+	      $td->EXIT_STATUS => 0});
+$td->runtest("recheck encrypted file",
+	     {$td->COMMAND => "test_driver 2 U25A0.enc"},
+	     {$td->FILE => "encrypted1.out",
+	      $td->EXIT_STATUS => 0},
+	     $td->NORMALIZE_NEWLINES);
+
+foreach my $d (@encrypted_files)
+{
+    my ($file, $pass, $xeflags, $P) = @$d;
+    # Test writing to stdout
+    $td->runtest("decrypt $file",
+		 {$td->COMMAND =>
+		      "qpdf --static-id -qdf" .
+		      " --password=\"$pass\" enc-$file.pdf -" .
+		      " > $file.enc"},
+		 {$td->STRING => "",
+		  $td->EXIT_STATUS => 0});
+    if ($file eq 'base')
+    {
+	$td->runtest("check ID",
+		     {$td->COMMAND => "perl check-ID.pl $file.enc"},
+		     {$td->STRING => "ID okay\n",
+		      $td->EXIT_STATUS => 0},
+		     $td->NORMALIZE_NEWLINES);
+    }
+    else
+    {
+	$td->runtest("check against base",
+		     {$td->COMMAND => "./diff-encrypted base.enc $file.enc"},
+		     {$td->STRING => "okay\n",
+		      $td->EXIT_STATUS => 0},
+		     $td->NORMALIZE_NEWLINES);
+    }
+    if ($file =~ m/^R(\d),V(\d)(?:,U=(\w+))?(?:,O=(\w+))?$/)
+    {
+	my $R = $1;
+	my $V = $2;
+	my $upass = $3 || "";
+	my $opass = $4 || "";
+	my $bits = (($V == 2) ? 128 : 40);
+
+	my $eflags = "-encrypt \"$upass\" \"$opass\" $bits $xeflags --";
+	$td->runtest("encrypt $file",
+		     {$td->COMMAND =>
+			  "qpdf --static-id -qdf $eflags $file.enc $file.enc2"},
+		     {$td->STRING => "",
+		      $td->EXIT_STATUS => 0});
+	$td->runtest("check /P",
+		     {$td->COMMAND =>
+			  "qpdf --show-encryption --password=\"$pass\"" .
+			  " $file.enc2"},
+		     {$td->STRING => "P = $P\nUser password = $upass\n",
+		      $td->EXIT_STATUS => 0},
+		     $td->NORMALIZE_NEWLINES);
+	$td->runtest("decrypt again",
+		     {$td->COMMAND =>
+			  "qpdf --static-id -qdf --password=\"$pass\"" .
+			  " $file.enc2 $file.enc3"},
+		     {$td->STRING => "",
+		      $td->EXIT_STATUS => 0});
+	$td->runtest("compare",
+		     {$td->FILE => "$file.enc"},
+		     {$td->FILE => "$file.enc3"});
+	$td->runtest("preserve encryption",
+		     {$td->COMMAND =>
+			  "qpdf --static-id --password=\"$pass\"" .
+			  " $file.enc2 $file.enc4"},
+		     {$td->STRING => "",
+		      $td->EXIT_STATUS => 0});
+	$td->runtest("check /P",
+		     {$td->COMMAND =>
+			  "qpdf --show-encryption --password=\"$pass\"" .
+			  " $file.enc4"},
+		     {$td->STRING => "P = $P\nUser password = $upass\n",
+		      $td->EXIT_STATUS => 0},
+		     $td->NORMALIZE_NEWLINES);
+    }
+}
+
+$td->runtest("non-encrypted",
+	     {$td->COMMAND => "qpdf --show-encryption enc-base.pdf"},
+	     {$td->STRING => "File is not encrypted\n",
+	      $td->EXIT_STATUS => 0},
+	     $td->NORMALIZE_NEWLINES);
+
+$td->runtest("invalid password",
+	     {$td->COMMAND => "qpdf -qdf --password=quack" .
+		  " enc-R2,V1,U=view.pdf a.qdf"},
+	     {$td->STRING => "enc-R2,V1,U=view.pdf: invalid password\n",
+	      $td->EXIT_STATUS => 2},
+	     $td->NORMALIZE_NEWLINES);
+
+# Test combinations of linearization and encryption.  Note that we do
+# content checks on encrypted and linearized files in various
+# combinations below.  Here we are just making sure that they are
+# linearized and/or encrypted as desired.
+
+$td->runtest("linearize encrypted file",
+	     {$td->COMMAND => "qpdf --linearize U25A0.pdf a.pdf"},
+	     {$td->STRING => "",
+	      $td->EXIT_STATUS => 0});
+$td->runtest("check encryption",
+	     {$td->COMMAND => "qpdf --show-encryption a.pdf"},
+	     {$td->STRING => "P = -60\nUser password = \n",
+	      $td->EXIT_STATUS => 0},
+	     $td->NORMALIZE_NEWLINES);
+$td->runtest("check linearization",
+	     {$td->COMMAND => "qpdf --check-linearization a.pdf"},
+	     {$td->STRING => "a.pdf: no linearization errors\n",
+	      $td->EXIT_STATUS => 0},
+	     $td->NORMALIZE_NEWLINES);
+$td->runtest("linearize and encrypt file",
+	     {$td->COMMAND =>
+		  "qpdf --linearize --encrypt user owner 128 --" .
+		  " lin-special.pdf a.pdf"},
+	     {$td->STRING => "",
+	      $td->EXIT_STATUS => 0});
+$td->runtest("check encryption",
+	     {$td->COMMAND => "qpdf --show-encryption --password=owner a.pdf"},
+	     {$td->STRING => "P = -4\nUser password = user\n",
+	      $td->EXIT_STATUS => 0},
+	     $td->NORMALIZE_NEWLINES);
+$td->runtest("check linearization",
+	     {$td->COMMAND => "qpdf --check-linearization" .
+		  " --password=user a.pdf"},
+	     {$td->STRING => "a.pdf: no linearization errors\n",
+	      $td->EXIT_STATUS => 0},
+	     $td->NORMALIZE_NEWLINES);
+
+show_ntests();
+# ----------
+$td->notify("--- Content Preservation Tests ---");
+# $n_tests incremented below
+
+my @files = ("U25A0.pdf",	# encrypted
+	     "inline-images.pdf",
+	     "lin-special.pdf",
+	     "object-stream.pdf",
+	     "hybrid-xref.pdf");
+my @flags = (["-qdf",						# 1
+	      "qdf"],
+	     ["-qdf --normalize-content=n",			# 2
+	      "qdf not normalized"],
+	     ["-qdf --stream-data=preserve",			# 3
+	      "qdf not uncompressed"],
+	     ["-qdf --stream-data=preserve --normalize-content=n", # 4
+	      "qdf not normalized or uncompressed"],
+	     ["--stream-data=uncompress",			# 5
+	      "uncompresed"],
+	     ["--normalize-content=y",				# 6
+	      "normalized"],
+	     ["--stream-data=uncompress --normalize-content=y",	# 7
+	      "uncompressed and normalized"],
+	     ["-decrypt",					# 8
+	      "decrypted"],
+	     ["-linearize",					# 9
+	      "linearized"],
+	     ["-encrypt \"\" owner 128 --",			# 10
+	      "encrypted"],
+	     ["-linearize -encrypt \"\" o 128 --",		# 11
+	      "linearized and encrypted"],
+	     ["",						# 12
+	      "no arguments"],
+	     );
+
+$n_tests += (@files * @flags  * 2 * 2);
+$n_compare_pdfs += (@files * @flags * 2);
+$n_acroread += (@files * @flags * 2);
+
+foreach my $file (@files)
+{
+    my $base = basename($file, '.pdf');
+
+    foreach my $o (qw(disable generate))
+    {
+	my $n = 0;
+	my $oflags = "--object-streams=$o";
+	my $odescrip = "os:" . substr($o, 0, 1);
+	foreach my $d (@flags)
+	{
+	    my ($flags, $fdescrip) = @$d;
+	    ++$n;
+	    system("rm -f *.pnm");
+
+	    $td->runtest("$file ($odescrip $fdescrip)",
+			 {$td->COMMAND => "qpdf $flags $oflags $file a.pdf"},
+			 {$td->STRING => "",
+			  $td->EXIT_STATUS => 0});
+
+	    $td->runtest("check status",
+			 {$td->COMMAND => "qpdf --check a.pdf"},
+			 {$td->FILE => "$base.$n.check",
+			  $td->EXIT_STATUS => 0});
+
+	    compare_pdfs($file, "a.pdf");
+
+	    if ($have_acroread)
+	    {
+		# These tests require Adobe Reader > 7.x to work with
+		# encrypted files.
+		$td->runtest("check with Adobe Reader",
+			     {$td->COMMAND =>
+				  "acroread -toPostScript -pairs a.pdf 1.ps"},
+			     {$td->STRING => "",
+			      $td->EXIT_STATUS => 0});
+	    }
+	}
+	flush_tiff_cache();
+    }
+}
+
+show_ntests();
+# ----------
+$td->notify("--- fix-qdf Tests ---");
+$n_tests += 6;
+
+foreach my $lang qw(C en_US en_US.UTF-8)
+{
+    for (my $n = 1; $n <= 2; ++$n)
+    {
+	$td->runtest("fix-qdf $n (LANG=$lang)",
+		     {$td->COMMAND => "LANG=$lang fix-qdf fix$n.qdf"},
+		     {$td->FILE => "fix$n.qdf.out",
+		      $td->EXIT_STATUS => 0});
+    }
+}
+
+show_ntests();
+
+# ----------
+cleanup();
+
+# See comments at beginning about calculation of number of tests.  We
+# do it strictly based on static values, not as a by-product of
+# running the test suite.
+$td->report(calc_ntests());
+
+sub calc_ntests
+{
+    my $result = $n_tests;
+    if ($have_acroread)
+    {
+	$result += $n_acroread;
+    }
+    if ($compare_images)
+    {
+	$result += 3 * ($n_compare_pdfs);
+    }
+    $result;
+}
+
+sub show_ntests
+{
+    if (0)
+    {
+	$td->emphasize("tests so far: ". calc_ntests());
+    }
+}
+
+sub check_pdf
+{
+    my ($description, $command, $output, $status) = @_;
+    unlink "a.pdf";
+    $td->runtest($description,
+		 {$td->COMMAND => "$command a.pdf"},
+		 {$td->STRING => "",
+		  $td->EXIT_STATUS => $status});
+    $td->runtest("check output",
+		 {$td->FILE => "a.pdf"},
+		 {$td->FILE => $output});
+}
+
+sub flush_tiff_cache
+{
+    system("rm -rf tiff-cache");
+}
+
+sub compare_pdfs
+{
+    return unless $compare_images;
+
+    my ($f1, $f2, $exp) = @_;
+
+    $exp = 0 unless defined $exp;
+
+    system("rm -rf tif1 tif2");
+
+    mkdir "tiff-cache", 0777 unless -d "tiff-cache";
+
+    my $md5_1 = get_md5_checksum($f1);
+    my $md5_2 = get_md5_checksum($f2);
+
+    mkdir "tif1", 0777 or die;
+    mkdir "tif2", 0777 or die;
+
+    if (-f "tiff-cache/$md5_1.tif")
+    {
+	$td->runtest("get cached original file image",
+		     {$td->COMMAND => "cp tiff-cache/$md5_1.tif tif1/a.tif"},
+		     {$td->STRING => "",
+		      $td->EXIT_STATUS => 0});
+    }
+    else
+    {
+	$td->runtest("convert original file to image",
+		     {$td->COMMAND =>
+			  "(cd tif1;" .
+			  " gs -q -dNOPAUSE -sDEVICE=tiff12nc" .
+			  " -sOutputFile=a.tif - < ../$f1)"},
+		     {$td->STRING => "",
+		      $td->EXIT_STATUS => 0});
+	copy("tif1/a.tif", "tiff-cache/$md5_1.tif");
+    }
+
+    if (-f "tiff-cache/$md5_2.tif")
+    {
+	$td->runtest("get cached new file image",
+		     {$td->COMMAND => "cp tiff-cache/$md5_2.tif tif2/a.tif"},
+		     {$td->STRING => "",
+		      $td->EXIT_STATUS => 0});
+    }
+    else
+    {
+	$td->runtest("convert new file to image",
+		     {$td->COMMAND =>
+			  "(cd tif2;" .
+			  " gs -q -dNOPAUSE -sDEVICE=tiff12nc" .
+			  " -sOutputFile=a.tif - < ../$f2)"},
+		     {$td->STRING => "",
+		      $td->EXIT_STATUS => 0});
+	copy("tif2/a.tif", "tiff-cache/$md5_2.tif");
+    }
+
+    $td->runtest("compare images",
+		 {$td->COMMAND => "tiffcmp -t tif1/a.tif tif2/a.tif"},
+		 {$td->REGEXP => ".*",
+		  $td->EXIT_STATUS => $exp});
+
+    system("rm -rf tif1 tif2");
+}
+
+sub get_md5_checksum
+{
+    my $file = shift;
+    open(F, "<$file") or fatal("can't open $file: $!");
+    binmode F;
+    my $digest = Digest::MD5->new->addfile(*F)->hexdigest;
+    close(F);
+    $digest;
+}
+
+sub cleanup
+{
+    system("rm -rf *.ps *.pnm a.pdf a.qdf b.pdf b.qdf c.pdf" .
+	   " *.enc* tif1 tif2 tiff-cache");
+}
diff --git a/qpdf/qtest/qpdf/U25A0.1.check b/qpdf/qtest/qpdf/U25A0.1.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/U25A0.1.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/U25A0.10.check b/qpdf/qtest/qpdf/U25A0.10.check
new file mode 100644
index 00000000..0e0ed996
--- /dev/null
+++ b/qpdf/qtest/qpdf/U25A0.10.check
@@ -0,0 +1,5 @@
+checking a.pdf
+P = -4
+User password = 
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/U25A0.11.check b/qpdf/qtest/qpdf/U25A0.11.check
new file mode 100644
index 00000000..327d847a
--- /dev/null
+++ b/qpdf/qtest/qpdf/U25A0.11.check
@@ -0,0 +1,5 @@
+checking a.pdf
+P = -4
+User password = 
+File is linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/U25A0.12.check b/qpdf/qtest/qpdf/U25A0.12.check
new file mode 100644
index 00000000..48b8e821
--- /dev/null
+++ b/qpdf/qtest/qpdf/U25A0.12.check
@@ -0,0 +1,5 @@
+checking a.pdf
+P = -60
+User password = 
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/U25A0.2.check b/qpdf/qtest/qpdf/U25A0.2.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/U25A0.2.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/U25A0.3.check b/qpdf/qtest/qpdf/U25A0.3.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/U25A0.3.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/U25A0.4.check b/qpdf/qtest/qpdf/U25A0.4.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/U25A0.4.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/U25A0.5.check b/qpdf/qtest/qpdf/U25A0.5.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/U25A0.5.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/U25A0.6.check b/qpdf/qtest/qpdf/U25A0.6.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/U25A0.6.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/U25A0.7.check b/qpdf/qtest/qpdf/U25A0.7.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/U25A0.7.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/U25A0.8.check b/qpdf/qtest/qpdf/U25A0.8.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/U25A0.8.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/U25A0.9.check b/qpdf/qtest/qpdf/U25A0.9.check
new file mode 100644
index 00000000..547c43d5
--- /dev/null
+++ b/qpdf/qtest/qpdf/U25A0.9.check
@@ -0,0 +1,5 @@
+checking a.pdf
+P = -60
+User password = 
+File is linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/U25A0.pdf b/qpdf/qtest/qpdf/U25A0.pdf
new file mode 100644
index 00000000..f8b779d4
--- /dev/null
+++ b/qpdf/qtest/qpdf/U25A0.pdf
diff --git a/qpdf/qtest/qpdf/bad1-recover.out b/qpdf/qtest/qpdf/bad1-recover.out
new file mode 100644
index 00000000..1cd5b015
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad1-recover.out
@@ -0,0 +1 @@
+bad1.pdf: offset 0: not a PDF file
diff --git a/qpdf/qtest/qpdf/bad1.out b/qpdf/qtest/qpdf/bad1.out
new file mode 100644
index 00000000..1cd5b015
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad1.out
@@ -0,0 +1 @@
+bad1.pdf: offset 0: not a PDF file
diff --git a/qpdf/qtest/qpdf/bad1.pdf b/qpdf/qtest/qpdf/bad1.pdf
new file mode 100644
index 00000000..75891bc6
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad1.pdf
@@ -0,0 +1 @@
+oops
diff --git a/qpdf/qtest/qpdf/bad10-recover.out b/qpdf/qtest/qpdf/bad10-recover.out
new file mode 100644
index 00000000..905ca597
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad10-recover.out
@@ -0,0 +1,9 @@
+WARNING: bad10.pdf: offset 0: file is damaged
+WARNING: bad10.pdf: offset 712: /Size key in trailer dictionary is not an integer
+WARNING: Attempting to reconstruct cross-reference table
+/QTest is implicit
+/QTest is direct
+/QTest is null
+unparse: null
+unparseResolved: null
+test 1 done
diff --git a/qpdf/qtest/qpdf/bad10.out b/qpdf/qtest/qpdf/bad10.out
new file mode 100644
index 00000000..935f5b24
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad10.out
@@ -0,0 +1 @@
+bad10.pdf: offset 712: /Size key in trailer dictionary is not an integer
diff --git a/qpdf/qtest/qpdf/bad10.pdf b/qpdf/qtest/qpdf/bad10.pdf
new file mode 100644
index 00000000..1f2be0c8
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad10.pdf
@@ -0,0 +1,79 @@
+%PDF-1.3
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+endobj
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+xref
+0 7
+0000000000 65535 f 
+0000000009 00000 n 
+0000000063 00000 n 
+0000000135 00000 n 
+0000000307 00000 n 
+0000000403 00000 n 
+0000000438 00000 n 
+trailer <<
+  /Size (h)
+  /Root 1 0 R
+>>
+startxref
+556
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad11-recover.out b/qpdf/qtest/qpdf/bad11-recover.out
new file mode 100644
index 00000000..7dfac209
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad11-recover.out
@@ -0,0 +1,9 @@
+WARNING: bad11.pdf: offset 0: file is damaged
+WARNING: bad11.pdf: offset 905: /Prev key in trailer dictionary is not an integer
+WARNING: Attempting to reconstruct cross-reference table
+/QTest is implicit
+/QTest is direct
+/QTest is null
+unparse: null
+unparseResolved: null
+test 1 done
diff --git a/qpdf/qtest/qpdf/bad11.out b/qpdf/qtest/qpdf/bad11.out
new file mode 100644
index 00000000..55705b73
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad11.out
@@ -0,0 +1 @@
+bad11.pdf: offset 905: /Prev key in trailer dictionary is not an integer
diff --git a/qpdf/qtest/qpdf/bad11.pdf b/qpdf/qtest/qpdf/bad11.pdf
new file mode 100644
index 00000000..4cf46e5a
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad11.pdf
@@ -0,0 +1,104 @@
+%PDF-1.3
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+xref
+0 7
+0000000000 65535 f 
+0000000009 00000 n 
+0000000063 00000 n 
+0000000128 00000 n 
+0000000300 00000 n 
+0000000389 00000 n 
+0000000424 00000 n 
+trailer <<
+  /Size 7
+  /Root 1 0 R
+>>
+startxref
+542
+%%EOF
+
+4 0 obj
+<<
+  /Length 43
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Salad) Tj
+ET
+endstream
+endobj
+
+xref
+0 1
+0000000000 65535 f 
+4 1
+0000000750 00000 n 
+trailer <<
+  /Size 7
+  /Root 1 0 R
+  /Prev [542]
+>>
+startxref
+845
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad12-recover.out b/qpdf/qtest/qpdf/bad12-recover.out
new file mode 100644
index 00000000..97dfb642
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad12-recover.out
@@ -0,0 +1,7 @@
+WARNING: bad12.pdf: reported number of objects (9) inconsistent with actual number of objects (8)
+/QTest is implicit
+/QTest is direct
+/QTest is null
+unparse: null
+unparseResolved: null
+test 1 done
diff --git a/qpdf/qtest/qpdf/bad12.out b/qpdf/qtest/qpdf/bad12.out
new file mode 100644
index 00000000..d07d74bd
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad12.out
@@ -0,0 +1,7 @@
+WARNING: bad12.pdf: reported number of objects (9) inconsistent with actual number of objects (8)
+/QTest is implicit
+/QTest is direct
+/QTest is null
+unparse: null
+unparseResolved: null
+test 0 done
diff --git a/qpdf/qtest/qpdf/bad12.pdf b/qpdf/qtest/qpdf/bad12.pdf
new file mode 100644
index 00000000..0fc8028a
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad12.pdf
@@ -0,0 +1,122 @@
+%PDF-1.3
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+xref
+0 7
+0000000000 65535 f 
+0000000009 00000 n 
+0000000063 00000 n 
+0000000128 00000 n 
+0000000300 00000 n 
+0000000389 00000 n 
+0000000424 00000 n 
+trailer <<
+  /Size 7
+  /Root 1 0 R
+>>
+startxref
+542
+%%EOF
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 7 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+7 0 obj
+<<
+  /Length 48
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Sandwiches) Tj
+ET
+endstream
+endobj
+
+xref
+0 1
+0000000004 65535 f 
+3 2
+0000000750 00000 n 
+0000000000 00001 f 
+7 1
+0000000922 00000 n 
+trailer <<
+  /Size 9
+  /Root 1 0 R
+  /Prev 542
+>>
+startxref
+1022
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad13-recover.out b/qpdf/qtest/qpdf/bad13-recover.out
new file mode 100644
index 00000000..5ea29917
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad13-recover.out
@@ -0,0 +1,4 @@
+WARNING: bad13.pdf: offset 0: file is damaged
+WARNING: bad13.pdf: offset 753: unexpected brace token
+WARNING: Attempting to reconstruct cross-reference table
+bad13.pdf: offset 753: unexpected brace token
diff --git a/qpdf/qtest/qpdf/bad13.out b/qpdf/qtest/qpdf/bad13.out
new file mode 100644
index 00000000..12eedf08
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad13.out
@@ -0,0 +1 @@
+bad13.pdf: offset 753: unexpected brace token
diff --git a/qpdf/qtest/qpdf/bad13.pdf b/qpdf/qtest/qpdf/bad13.pdf
new file mode 100644
index 00000000..2fb59d2e
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad13.pdf
@@ -0,0 +1,80 @@
+%PDF-1.3
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+endobj
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+xref
+0 7
+0000000000 65535 f 
+0000000009 00000 n 
+0000000063 00000 n 
+0000000135 00000 n 
+0000000307 00000 n 
+0000000403 00000 n 
+0000000438 00000 n 
+trailer <<
+  /Size 7
+  /Root 1 0 R
+  /Something {
+>>
+startxref
+556
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad14-recover.out b/qpdf/qtest/qpdf/bad14-recover.out
new file mode 100644
index 00000000..26ee2ef6
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad14-recover.out
@@ -0,0 +1,4 @@
+WARNING: bad14.pdf: offset 0: file is damaged
+WARNING: bad14.pdf: offset 753: unexpected brace token
+WARNING: Attempting to reconstruct cross-reference table
+bad14.pdf: offset 753: unexpected brace token
diff --git a/qpdf/qtest/qpdf/bad14.out b/qpdf/qtest/qpdf/bad14.out
new file mode 100644
index 00000000..82c58c22
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad14.out
@@ -0,0 +1 @@
+bad14.pdf: offset 753: unexpected brace token
diff --git a/qpdf/qtest/qpdf/bad14.pdf b/qpdf/qtest/qpdf/bad14.pdf
new file mode 100644
index 00000000..551fdfdc
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad14.pdf
@@ -0,0 +1,80 @@
+%PDF-1.3
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+endobj
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+xref
+0 7
+0000000000 65535 f 
+0000000009 00000 n 
+0000000063 00000 n 
+0000000135 00000 n 
+0000000307 00000 n 
+0000000403 00000 n 
+0000000438 00000 n 
+trailer <<
+  /Size 7
+  /Root 1 0 R
+  /Something }
+>>
+startxref
+556
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad15-recover.out b/qpdf/qtest/qpdf/bad15-recover.out
new file mode 100644
index 00000000..2d6d0cf1
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad15-recover.out
@@ -0,0 +1,4 @@
+WARNING: bad15.pdf: offset 0: file is damaged
+WARNING: bad15.pdf: offset 753: unexpected array close token
+WARNING: Attempting to reconstruct cross-reference table
+bad15.pdf: offset 753: unexpected array close token
diff --git a/qpdf/qtest/qpdf/bad15.out b/qpdf/qtest/qpdf/bad15.out
new file mode 100644
index 00000000..19ffbfcc
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad15.out
@@ -0,0 +1 @@
+bad15.pdf: offset 753: unexpected array close token
diff --git a/qpdf/qtest/qpdf/bad15.pdf b/qpdf/qtest/qpdf/bad15.pdf
new file mode 100644
index 00000000..5578e1d6
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad15.pdf
@@ -0,0 +1,80 @@
+%PDF-1.3
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+endobj
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+xref
+0 7
+0000000000 65535 f 
+0000000009 00000 n 
+0000000063 00000 n 
+0000000135 00000 n 
+0000000307 00000 n 
+0000000403 00000 n 
+0000000438 00000 n 
+trailer <<
+  /Size 7
+  /Root 1 0 R
+  /Something ]
+>>
+startxref
+556
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad16-recover.out b/qpdf/qtest/qpdf/bad16-recover.out
new file mode 100644
index 00000000..22a49ee9
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad16-recover.out
@@ -0,0 +1,4 @@
+WARNING: bad16.pdf: offset 0: file is damaged
+WARNING: bad16.pdf: offset 753: unexpected dictionary close token
+WARNING: Attempting to reconstruct cross-reference table
+bad16.pdf: offset 753: unexpected dictionary close token
diff --git a/qpdf/qtest/qpdf/bad16.out b/qpdf/qtest/qpdf/bad16.out
new file mode 100644
index 00000000..315f5203
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad16.out
@@ -0,0 +1 @@
+bad16.pdf: offset 753: unexpected dictionary close token
diff --git a/qpdf/qtest/qpdf/bad16.pdf b/qpdf/qtest/qpdf/bad16.pdf
new file mode 100644
index 00000000..b8bdb5f4
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad16.pdf
@@ -0,0 +1,80 @@
+%PDF-1.3
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+endobj
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+xref
+0 7
+0000000000 65535 f 
+0000000009 00000 n 
+0000000063 00000 n 
+0000000135 00000 n 
+0000000307 00000 n 
+0000000403 00000 n 
+0000000438 00000 n 
+trailer <<
+  /Size 7
+  /Root 1 0 R
+  /Something[>>
+>>
+startxref
+556
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad17-recover.out b/qpdf/qtest/qpdf/bad17-recover.out
new file mode 100644
index 00000000..bcaa948f
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad17-recover.out
@@ -0,0 +1,4 @@
+WARNING: bad17.pdf: offset 0: file is damaged
+WARNING: bad17.pdf: offset 753: dictionary ending here has an odd number of elements
+WARNING: Attempting to reconstruct cross-reference table
+bad17.pdf: offset 753: dictionary ending here has an odd number of elements
diff --git a/qpdf/qtest/qpdf/bad17.out b/qpdf/qtest/qpdf/bad17.out
new file mode 100644
index 00000000..36c059d6
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad17.out
@@ -0,0 +1 @@
+bad17.pdf: offset 753: dictionary ending here has an odd number of elements
diff --git a/qpdf/qtest/qpdf/bad17.pdf b/qpdf/qtest/qpdf/bad17.pdf
new file mode 100644
index 00000000..5afb00d2
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad17.pdf
@@ -0,0 +1,80 @@
+%PDF-1.3
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+endobj
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+xref
+0 7
+0000000000 65535 f 
+0000000009 00000 n 
+0000000063 00000 n 
+0000000135 00000 n 
+0000000307 00000 n 
+0000000403 00000 n 
+0000000438 00000 n 
+trailer <<
+  /Size 7
+  /Root 1 0 R
+  /Something
+>>
+startxref
+556
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad18-recover.out b/qpdf/qtest/qpdf/bad18-recover.out
new file mode 100644
index 00000000..2a4d2a06
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad18-recover.out
@@ -0,0 +1,4 @@
+WARNING: bad18.pdf: offset 0: file is damaged
+WARNING: bad18.pdf: offset 753: unexpected )
+WARNING: Attempting to reconstruct cross-reference table
+bad18.pdf: offset 753: unexpected )
diff --git a/qpdf/qtest/qpdf/bad18.out b/qpdf/qtest/qpdf/bad18.out
new file mode 100644
index 00000000..5e319d9b
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad18.out
@@ -0,0 +1 @@
+bad18.pdf: offset 753: unexpected )
diff --git a/qpdf/qtest/qpdf/bad18.pdf b/qpdf/qtest/qpdf/bad18.pdf
new file mode 100644
index 00000000..96cf7935
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad18.pdf
@@ -0,0 +1,80 @@
+%PDF-1.3
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+endobj
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+xref
+0 7
+0000000000 65535 f 
+0000000009 00000 n 
+0000000063 00000 n 
+0000000135 00000 n 
+0000000307 00000 n 
+0000000403 00000 n 
+0000000438 00000 n 
+trailer <<
+  /Size 7
+  /Root 1 0 R
+  /Something )
+>>
+startxref
+556
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad19-recover.out b/qpdf/qtest/qpdf/bad19-recover.out
new file mode 100644
index 00000000..4fa46af8
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad19-recover.out
@@ -0,0 +1,4 @@
+WARNING: bad19.pdf: offset 0: file is damaged
+WARNING: bad19.pdf: offset 753: unexpected >
+WARNING: Attempting to reconstruct cross-reference table
+bad19.pdf: offset 753: unexpected >
diff --git a/qpdf/qtest/qpdf/bad19.out b/qpdf/qtest/qpdf/bad19.out
new file mode 100644
index 00000000..57ffd7d2
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad19.out
@@ -0,0 +1 @@
+bad19.pdf: offset 753: unexpected >
diff --git a/qpdf/qtest/qpdf/bad19.pdf b/qpdf/qtest/qpdf/bad19.pdf
new file mode 100644
index 00000000..f95036f0
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad19.pdf
@@ -0,0 +1,80 @@
+%PDF-1.3
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+endobj
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+xref
+0 7
+0000000000 65535 f 
+0000000009 00000 n 
+0000000063 00000 n 
+0000000135 00000 n 
+0000000307 00000 n 
+0000000403 00000 n 
+0000000438 00000 n 
+trailer <<
+  /Size 7
+  /Root 1 0 R
+  /Something >
+>>
+startxref
+556
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad2-recover.out b/qpdf/qtest/qpdf/bad2-recover.out
new file mode 100644
index 00000000..142f10ff
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad2-recover.out
@@ -0,0 +1,9 @@
+WARNING: bad2.pdf: offset 0: file is damaged
+WARNING: bad2.pdf: can't find startxref
+WARNING: Attempting to reconstruct cross-reference table
+/QTest is implicit
+/QTest is direct
+/QTest is null
+unparse: null
+unparseResolved: null
+test 1 done
diff --git a/qpdf/qtest/qpdf/bad2.out b/qpdf/qtest/qpdf/bad2.out
new file mode 100644
index 00000000..9179b774
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad2.out
@@ -0,0 +1 @@
+bad2.pdf: can't find startxref
diff --git a/qpdf/qtest/qpdf/bad2.pdf b/qpdf/qtest/qpdf/bad2.pdf
new file mode 100644
index 00000000..aa63b0b2
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad2.pdf
@@ -0,0 +1,76 @@
+%PDF-1.3
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+xref
+0 7
+0000000000 65535 f 
+0000000009 00000 n 
+0000000063 00000 n 
+0000000128 00000 n 
+0000000300 00000 n 
+0000000389 00000 n 
+0000000424 00000 n 
+trailer <<
+  /Size 7
+  /Root 1 0 R
+>>
+farbage 542
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad20-recover.out b/qpdf/qtest/qpdf/bad20-recover.out
new file mode 100644
index 00000000..95fc3ca6
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad20-recover.out
@@ -0,0 +1,4 @@
+WARNING: bad20.pdf: offset 0: file is damaged
+WARNING: bad20.pdf: offset 753: invalid character (q) in hexstring
+WARNING: Attempting to reconstruct cross-reference table
+bad20.pdf: offset 753: invalid character (q) in hexstring
diff --git a/qpdf/qtest/qpdf/bad20.out b/qpdf/qtest/qpdf/bad20.out
new file mode 100644
index 00000000..f70b938a
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad20.out
@@ -0,0 +1 @@
+bad20.pdf: offset 753: invalid character (q) in hexstring
diff --git a/qpdf/qtest/qpdf/bad20.pdf b/qpdf/qtest/qpdf/bad20.pdf
new file mode 100644
index 00000000..e42cfe08
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad20.pdf
@@ -0,0 +1,80 @@
+%PDF-1.3
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+endobj
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+xref
+0 7
+0000000000 65535 f 
+0000000009 00000 n 
+0000000063 00000 n 
+0000000135 00000 n 
+0000000307 00000 n 
+0000000403 00000 n 
+0000000438 00000 n 
+trailer <<
+  /Size 7
+  /Root 1 0 R
+  /Something <abqd>
+>>
+startxref
+556
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad21-recover.out b/qpdf/qtest/qpdf/bad21-recover.out
new file mode 100644
index 00000000..7423fe4f
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad21-recover.out
@@ -0,0 +1,4 @@
+WARNING: bad21.pdf: offset 0: file is damaged
+WARNING: bad21.pdf: offset 742: invalid name token
+WARNING: Attempting to reconstruct cross-reference table
+bad21.pdf: offset 742: invalid name token
diff --git a/qpdf/qtest/qpdf/bad21.out b/qpdf/qtest/qpdf/bad21.out
new file mode 100644
index 00000000..fb71b5ac
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad21.out
@@ -0,0 +1 @@
+bad21.pdf: offset 742: invalid name token
diff --git a/qpdf/qtest/qpdf/bad21.pdf b/qpdf/qtest/qpdf/bad21.pdf
new file mode 100644
index 00000000..4be5f0ef
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad21.pdf
@@ -0,0 +1,80 @@
+%PDF-1.3
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+endobj
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+xref
+0 7
+0000000000 65535 f 
+0000000009 00000 n 
+0000000063 00000 n 
+0000000135 00000 n 
+0000000307 00000 n 
+0000000403 00000 n 
+0000000438 00000 n 
+trailer <<
+  /Size 7
+  /Root 1 0 R
+  /Som#ething 1
+>>
+startxref
+556
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad22-recover.out b/qpdf/qtest/qpdf/bad22-recover.out
new file mode 100644
index 00000000..823e8b96
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad22-recover.out
@@ -0,0 +1,21 @@
+WARNING: bad22.pdf: offset 341: attempting to recover stream length
+/QTest is indirect
+/QTest is a stream.  Dictionary: << /Qength 44 >>
+Raw stream data:
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+
+Uncompressed stream data:
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+
+End of stream data
+unparse: 4 0 R
+unparseResolved: 4 0 R
+test 1 done
diff --git a/qpdf/qtest/qpdf/bad22.out b/qpdf/qtest/qpdf/bad22.out
new file mode 100644
index 00000000..40d92a45
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad22.out
@@ -0,0 +1 @@
+bad22.pdf: offset 317: stream dictionary lacks /Length key
diff --git a/qpdf/qtest/qpdf/bad22.pdf b/qpdf/qtest/qpdf/bad22.pdf
new file mode 100644
index 00000000..b0d42ac7
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad22.pdf
@@ -0,0 +1,80 @@
+%PDF-1.3
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+endobj
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Qength 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+xref
+0 7
+0000000000 65535 f 
+0000000009 00000 n 
+0000000063 00000 n 
+0000000135 00000 n 
+0000000307 00000 n 
+0000000403 00000 n 
+0000000438 00000 n 
+trailer <<
+  /Size 7
+  /Root 1 0 R
+  /QTest 4 0 R
+>>
+startxref
+556
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad23-recover.out b/qpdf/qtest/qpdf/bad23-recover.out
new file mode 100644
index 00000000..981766cd
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad23-recover.out
@@ -0,0 +1,21 @@
+WARNING: bad23.pdf: offset 341: attempting to recover stream length
+/QTest is indirect
+/QTest is a stream.  Dictionary: << /Length () >>
+Raw stream data:
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+
+Uncompressed stream data:
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+
+End of stream data
+unparse: 4 0 R
+unparseResolved: 4 0 R
+test 1 done
diff --git a/qpdf/qtest/qpdf/bad23.out b/qpdf/qtest/qpdf/bad23.out
new file mode 100644
index 00000000..5cef84f9
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad23.out
@@ -0,0 +1 @@
+bad23.pdf: offset 317: /Length key in stream dictionary is not an integer
diff --git a/qpdf/qtest/qpdf/bad23.pdf b/qpdf/qtest/qpdf/bad23.pdf
new file mode 100644
index 00000000..0baead97
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad23.pdf
@@ -0,0 +1,80 @@
+%PDF-1.3
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+endobj
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length ()
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+xref
+0 7
+0000000000 65535 f 
+0000000009 00000 n 
+0000000063 00000 n 
+0000000135 00000 n 
+0000000307 00000 n 
+0000000403 00000 n 
+0000000438 00000 n 
+trailer <<
+  /Size 7
+  /Root 1 0 R
+  /QTest 4 0 R
+>>
+startxref
+556
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad24-recover.out b/qpdf/qtest/qpdf/bad24-recover.out
new file mode 100644
index 00000000..5e643eff
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad24-recover.out
@@ -0,0 +1,2 @@
+WARNING: bad24.pdf: offset 341: attempting to recover stream length
+bad24.pdf: offset 341: unable to recover stream data
diff --git a/qpdf/qtest/qpdf/bad24.out b/qpdf/qtest/qpdf/bad24.out
new file mode 100644
index 00000000..76baa51a
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad24.out
@@ -0,0 +1 @@
+bad24.pdf: offset 385: expected endstream
diff --git a/qpdf/qtest/qpdf/bad24.pdf b/qpdf/qtest/qpdf/bad24.pdf
new file mode 100644
index 00000000..7af8c7d6
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad24.pdf
@@ -0,0 +1,80 @@
+%PDF-1.3
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+endobj
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+enxstream
+endobj
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+xref
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+0000000135 00000 n 
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+trailer <<
+  /Size 7
+  /Root 1 0 R
+  /QTest 4 0 R
+>>
+startxref
+556
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad25-recover.out b/qpdf/qtest/qpdf/bad25-recover.out
new file mode 100644
index 00000000..f8a18758
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad25-recover.out
@@ -0,0 +1,4 @@
+WARNING: bad25.pdf: offset 0: file is damaged
+WARNING: bad25.pdf: offset 307: expected n n obj
+WARNING: Attempting to reconstruct cross-reference table
+bad25.pdf: offset 307: expected n n obj
diff --git a/qpdf/qtest/qpdf/bad25.out b/qpdf/qtest/qpdf/bad25.out
new file mode 100644
index 00000000..11e3899a
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad25.out
@@ -0,0 +1 @@
+bad25.pdf: offset 307: expected n n obj
diff --git a/qpdf/qtest/qpdf/bad25.pdf b/qpdf/qtest/qpdf/bad25.pdf
new file mode 100644
index 00000000..a51974d3
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad25.pdf
@@ -0,0 +1,80 @@
+%PDF-1.3
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+endobj
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+x 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+xref
+0 7
+0000000000 65535 f 
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+0000000063 00000 n 
+0000000135 00000 n 
+0000000307 00000 n 
+0000000403 00000 n 
+0000000438 00000 n 
+trailer <<
+  /Size 7
+  /Root 1 0 R
+  /QTest 4 0 R
+>>
+startxref
+556
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad26-recover.out b/qpdf/qtest/qpdf/bad26-recover.out
new file mode 100644
index 00000000..64b6f610
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad26-recover.out
@@ -0,0 +1,4 @@
+WARNING: bad26.pdf: offset 0: file is damaged
+WARNING: bad26.pdf: offset 307: expected n n obj
+WARNING: Attempting to reconstruct cross-reference table
+bad26.pdf: offset 307: expected n n obj
diff --git a/qpdf/qtest/qpdf/bad26.out b/qpdf/qtest/qpdf/bad26.out
new file mode 100644
index 00000000..2b1b01e2
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad26.out
@@ -0,0 +1 @@
+bad26.pdf: offset 307: expected n n obj
diff --git a/qpdf/qtest/qpdf/bad26.pdf b/qpdf/qtest/qpdf/bad26.pdf
new file mode 100644
index 00000000..4a7e3b21
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad26.pdf
@@ -0,0 +1,80 @@
+%PDF-1.3
+1 0 obj
+<<
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+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+endobj
+
+3 0 obj
+<<
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+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 x obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
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+
+xref
+0 7
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+trailer <<
+  /Size 7
+  /Root 1 0 R
+  /QTest 4 0 R
+>>
+startxref
+556
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad27-recover.out b/qpdf/qtest/qpdf/bad27-recover.out
new file mode 100644
index 00000000..be980b95
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad27-recover.out
@@ -0,0 +1,4 @@
+WARNING: bad27.pdf: offset 0: file is damaged
+WARNING: bad27.pdf: offset 307: expected n n obj
+WARNING: Attempting to reconstruct cross-reference table
+bad27.pdf: offset 307: expected n n obj
diff --git a/qpdf/qtest/qpdf/bad27.out b/qpdf/qtest/qpdf/bad27.out
new file mode 100644
index 00000000..a0c47a7c
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad27.out
@@ -0,0 +1 @@
+bad27.pdf: offset 307: expected n n obj
diff --git a/qpdf/qtest/qpdf/bad27.pdf b/qpdf/qtest/qpdf/bad27.pdf
new file mode 100644
index 00000000..032b2125
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad27.pdf
@@ -0,0 +1,80 @@
+%PDF-1.3
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+endobj
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 xbj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+xref
+0 7
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+0000000009 00000 n 
+0000000063 00000 n 
+0000000135 00000 n 
+0000000307 00000 n 
+0000000403 00000 n 
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+trailer <<
+  /Size 7
+  /Root 1 0 R
+  /QTest 4 0 R
+>>
+startxref
+556
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad28-recover.out b/qpdf/qtest/qpdf/bad28-recover.out
new file mode 100644
index 00000000..3bf944d5
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad28-recover.out
@@ -0,0 +1,21 @@
+WARNING: bad28.pdf: offset 395: expected endobj
+/QTest is indirect
+/QTest is a stream.  Dictionary: << /Length 44 >>
+Raw stream data:
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+
+Uncompressed stream data:
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+
+End of stream data
+unparse: 4 0 R
+unparseResolved: 4 0 R
+test 1 done
diff --git a/qpdf/qtest/qpdf/bad28.out b/qpdf/qtest/qpdf/bad28.out
new file mode 100644
index 00000000..a0809eb9
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad28.out
@@ -0,0 +1,21 @@
+WARNING: bad28.pdf: offset 395: expected endobj
+/QTest is indirect
+/QTest is a stream.  Dictionary: << /Length 44 >>
+Raw stream data:
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+
+Uncompressed stream data:
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+
+End of stream data
+unparse: 4 0 R
+unparseResolved: 4 0 R
+test 0 done
diff --git a/qpdf/qtest/qpdf/bad28.pdf b/qpdf/qtest/qpdf/bad28.pdf
new file mode 100644
index 00000000..c77a2069
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad28.pdf
@@ -0,0 +1,80 @@
+%PDF-1.3
+1 0 obj
+<<
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+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
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+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
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+
+3 0 obj
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+  /MediaBox [0 0 612 792]
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+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+enwobj
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
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+  /Subtype /Type1
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+  /BaseFont /Helvetica
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+>>
+endobj
+
+xref
+0 7
+0000000000 65535 f 
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+0000000135 00000 n 
+0000000307 00000 n 
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+trailer <<
+  /Size 7
+  /Root 1 0 R
+  /QTest 4 0 R
+>>
+startxref
+556
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad29-recover.out b/qpdf/qtest/qpdf/bad29-recover.out
new file mode 100644
index 00000000..bc6e38d5
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad29-recover.out
@@ -0,0 +1,4 @@
+WARNING: bad29.pdf: offset 0: file is damaged
+WARNING: bad29.pdf: offset 742: null character not allowed in name token
+WARNING: Attempting to reconstruct cross-reference table
+bad29.pdf: offset 742: null character not allowed in name token
diff --git a/qpdf/qtest/qpdf/bad29.out b/qpdf/qtest/qpdf/bad29.out
new file mode 100644
index 00000000..9f279743
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad29.out
@@ -0,0 +1 @@
+bad29.pdf: offset 742: null character not allowed in name token
diff --git a/qpdf/qtest/qpdf/bad29.pdf b/qpdf/qtest/qpdf/bad29.pdf
new file mode 100644
index 00000000..a45151e2
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad29.pdf
@@ -0,0 +1,80 @@
+%PDF-1.3
+1 0 obj
+<<
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+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+endobj
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
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+>>
+endobj
+
+xref
+0 7
+0000000000 65535 f 
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+trailer <<
+  /Size 7
+  /Root 1 0 R
+  /Som#00ething 1
+>>
+startxref
+556
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad3-recover.out b/qpdf/qtest/qpdf/bad3-recover.out
new file mode 100644
index 00000000..d205398a
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad3-recover.out
@@ -0,0 +1,9 @@
+WARNING: bad3.pdf: offset 0: file is damaged
+WARNING: bad3.pdf: offset 542: xref not found
+WARNING: Attempting to reconstruct cross-reference table
+/QTest is implicit
+/QTest is direct
+/QTest is null
+unparse: null
+unparseResolved: null
+test 1 done
diff --git a/qpdf/qtest/qpdf/bad3.out b/qpdf/qtest/qpdf/bad3.out
new file mode 100644
index 00000000..22ee8fbd
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad3.out
@@ -0,0 +1 @@
+bad3.pdf: offset 542: xref not found
diff --git a/qpdf/qtest/qpdf/bad3.pdf b/qpdf/qtest/qpdf/bad3.pdf
new file mode 100644
index 00000000..3e078f37
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad3.pdf
@@ -0,0 +1,76 @@
+%PDF-1.3
+1 0 obj
+<<
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+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
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+  ]
+  /Count 1
+>>
+
+3 0 obj
+<<
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+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
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+endstream
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
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+>>
+endobj
+
+noxref
+0 7
+0000000000 65535 f 
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+0000000128 00000 n 
+0000000300 00000 n 
+0000000389 00000 n 
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+trailer <<
+  /Size 7
+  /Root 1 0 R
+>>
+startxref
542
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad30-recover.out b/qpdf/qtest/qpdf/bad30-recover.out
new file mode 100644
index 00000000..95d194d4
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad30-recover.out
@@ -0,0 +1,6 @@
+/QTest is indirect
+/QTest is a stream.  Dictionary: << /Filter (FlateDecode) /Length 123 >>
+Raw stream data:
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÷Žs§åözû»ž�T.?®uŽæ§<Ž¼…Ð*6ä
+Uncompressed stream data:
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diff --git a/qpdf/qtest/qpdf/bad30.out b/qpdf/qtest/qpdf/bad30.out
new file mode 100644
index 00000000..95d194d4
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad30.out
@@ -0,0 +1,6 @@
+/QTest is indirect
+/QTest is a stream.  Dictionary: << /Filter (FlateDecode) /Length 123 >>
+Raw stream data:
+xœ%�11û¼b;t�à4| wXIDì Ø
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÷Žs§åözû»ž�T.?®uŽæ§<Ž¼…Ð*6ä
+Uncompressed stream data:
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diff --git a/qpdf/qtest/qpdf/bad30.pdf b/qpdf/qtest/qpdf/bad30.pdf
new file mode 100644
index 00000000..05c52764
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad30.pdf
@@ -0,0 +1,93 @@
+%PDF-1.3
+1 0 obj
+<<
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+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
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+  /Count 1
+>>
+endobj
+
+3 0 obj
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+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
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+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
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+6 0 obj
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+>>
+endobj
+
+7 0 obj
+<<
+  % Comment
+  /Length
+  123
+  /Filter (FlateDecode)
+>>
+stream
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÷Žs§åözû»ž�T.?®uŽæ§<Ž¼…Ð*6ä
+endstream
+endobj
+
+xref
+0 8
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+trailer <<
+  /Size 8
+  /Root 1 0 R
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+>>
+startxref
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diff --git a/qpdf/qtest/qpdf/bad31-recover.out b/qpdf/qtest/qpdf/bad31-recover.out
new file mode 100644
index 00000000..313e2083
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad31-recover.out
@@ -0,0 +1,9 @@
+/QTest is indirect
+/QTest is a stream.  Dictionary: << /Filter [ /Oink /Moo /FlateDecode ] /Length 123 >>
+Raw stream data:
+xœ%�11û¼b;t�à4| wXIDì Ø
å÷8G·«Í>rQ¨uŠOÒêEŒ:©IWìÃPlíµII)Ãr´p4~;§ÎAs/òÒ…jcúú¾
÷Žs§åözû»ž�T.?®uŽæ§<Ž¼…Ð*6ä
+Uncompressed stream data:
+Stream data is not filterable.
+unparse: 7 0 R
+unparseResolved: 7 0 R
+test 1 done
diff --git a/qpdf/qtest/qpdf/bad31.out b/qpdf/qtest/qpdf/bad31.out
new file mode 100644
index 00000000..2ad01536
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad31.out
@@ -0,0 +1,9 @@
+/QTest is indirect
+/QTest is a stream.  Dictionary: << /Filter [ /Oink /Moo /FlateDecode ] /Length 123 >>
+Raw stream data:
+xœ%�11û¼b;t�à4| wXIDì Ø
å÷8G·«Í>rQ¨uŠOÒêEŒ:©IWìÃPlíµII)Ãr´p4~;§ÎAs/òÒ…jcúú¾
÷Žs§åözû»ž�T.?®uŽæ§<Ž¼…Ð*6ä
+Uncompressed stream data:
+Stream data is not filterable.
+unparse: 7 0 R
+unparseResolved: 7 0 R
+test 0 done
diff --git a/qpdf/qtest/qpdf/bad31.pdf b/qpdf/qtest/qpdf/bad31.pdf
new file mode 100644
index 00000000..b3c986c8
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad31.pdf
@@ -0,0 +1,93 @@
+%PDF-1.3
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+endobj
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+7 0 obj
+<<
+  % Comment
+  /Length
+  123
+  /Filter [/Oink /Moo /FlateDecode]
+>>
+stream
+xœ%�11û¼b;t�à4| wXIDì Ø
å÷8G·«Í>rQ¨uŠOÒêEŒ:©IWìÃPlíµII)Ãr´p4~;§ÎAs/òÒ…jcúú¾
÷Žs§åözû»ž�T.?®uŽæ§<Ž¼…Ð*6ä
+endstream
+endobj
+
+xref
+0 8
+0000000000 65535 f 
+0000000009 00000 n 
+0000000063 00000 n 
+0000000135 00000 n 
+0000000307 00000 n 
+0000000403 00000 n 
+0000000438 00000 n 
+0000000556 00000 n 
+trailer <<
+  /Size 8
+  /Root 1 0 R
+  /QTest 7 0 R
+>>
+startxref
+783
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad32-recover.out b/qpdf/qtest/qpdf/bad32-recover.out
new file mode 100644
index 00000000..d0fe873b
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad32-recover.out
@@ -0,0 +1,9 @@
+WARNING: bad32.pdf: offset 0: file is damaged
+WARNING: bad32.pdf: offset 307: expected 4 0 obj
+WARNING: Attempting to reconstruct cross-reference table
+/QTest is implicit
+/QTest is indirect
+/QTest is null
+unparse: 4 0 R
+unparseResolved: null
+test 1 done
diff --git a/qpdf/qtest/qpdf/bad32.out b/qpdf/qtest/qpdf/bad32.out
new file mode 100644
index 00000000..3212ea02
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad32.out
@@ -0,0 +1 @@
+bad32.pdf: offset 307: expected 4 0 obj
diff --git a/qpdf/qtest/qpdf/bad32.pdf b/qpdf/qtest/qpdf/bad32.pdf
new file mode 100644
index 00000000..25819933
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad32.pdf
@@ -0,0 +1,80 @@
+%PDF-1.3
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+endobj
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+9 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+xref
+0 7
+0000000000 65535 f 
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+0000000135 00000 n 
+0000000307 00000 n 
+0000000403 00000 n 
+0000000438 00000 n 
+trailer <<
+  /Size 7
+  /Root 1 0 R
+  /QTest 4 0 R
+>>
+startxref
+556
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad4-recover.out b/qpdf/qtest/qpdf/bad4-recover.out
new file mode 100644
index 00000000..f7c56522
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad4-recover.out
@@ -0,0 +1,9 @@
+WARNING: bad4.pdf: offset 0: file is damaged
+WARNING: bad4.pdf: offset 547: xref syntax invalid
+WARNING: Attempting to reconstruct cross-reference table
+/QTest is implicit
+/QTest is direct
+/QTest is null
+unparse: null
+unparseResolved: null
+test 1 done
diff --git a/qpdf/qtest/qpdf/bad4.out b/qpdf/qtest/qpdf/bad4.out
new file mode 100644
index 00000000..c29db5f4
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad4.out
@@ -0,0 +1 @@
+bad4.pdf: offset 547: xref syntax invalid
diff --git a/qpdf/qtest/qpdf/bad4.pdf b/qpdf/qtest/qpdf/bad4.pdf
new file mode 100644
index 00000000..ed833b92
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad4.pdf
@@ -0,0 +1,77 @@
+%PDF-1.3
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+xref
+x0 7
+0000000000 65535 f 
+0000000009 00000 n 
+0000000063 00000 n 
+0000000128 00000 n 
+0000000300 00000 n 
+0000000389 00000 n 
+0000000424 00000 n 
+trailer <<
+  /Size 7
+  /Root 1 0 R
+>>
+startxref
+542
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad5-recover.out b/qpdf/qtest/qpdf/bad5-recover.out
new file mode 100644
index 00000000..44f76aed
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad5-recover.out
@@ -0,0 +1,9 @@
+WARNING: bad5.pdf: offset 0: file is damaged
+WARNING: bad5.pdf: offset 591: invalid xref entry (obj=2)
+WARNING: Attempting to reconstruct cross-reference table
+/QTest is implicit
+/QTest is direct
+/QTest is null
+unparse: null
+unparseResolved: null
+test 1 done
diff --git a/qpdf/qtest/qpdf/bad5.out b/qpdf/qtest/qpdf/bad5.out
new file mode 100644
index 00000000..5a9d8a13
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad5.out
@@ -0,0 +1 @@
+bad5.pdf: offset 591: invalid xref entry (obj=2)
diff --git a/qpdf/qtest/qpdf/bad5.pdf b/qpdf/qtest/qpdf/bad5.pdf
new file mode 100644
index 00000000..d6b0871f
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad5.pdf
@@ -0,0 +1,77 @@
+%PDF-1.3
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+xref
+0 7
+0000000000 65535 f 
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+0000000128 00000 n 
+0000000300 00000 n 
+0000000389 00000 n 
+0000000424 00000 n 
+trailer <<
+  /Size 7
+  /Root 1 0 R
+>>
+startxref
+542
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad6-recover.out b/qpdf/qtest/qpdf/bad6-recover.out
new file mode 100644
index 00000000..1d31025f
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad6-recover.out
@@ -0,0 +1,6 @@
+/QTest is implicit
+/QTest is direct
+/QTest is null
+unparse: null
+unparseResolved: null
+test 1 done
diff --git a/qpdf/qtest/qpdf/bad6.out b/qpdf/qtest/qpdf/bad6.out
new file mode 100644
index 00000000..26b50cb6
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad6.out
@@ -0,0 +1,6 @@
+/QTest is implicit
+/QTest is direct
+/QTest is null
+unparse: null
+unparseResolved: null
+test 0 done
diff --git a/qpdf/qtest/qpdf/bad6.pdf b/qpdf/qtest/qpdf/bad6.pdf
new file mode 100644
index 00000000..50238b21
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad6.pdf
@@ -0,0 +1,122 @@
+%PDF-1.3
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
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+>>
+endobj
+
+xref
+0 7
+0000000000 65535 f 
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+trailer <<
+  /Size 7
+  /Root 1 0 R
+>>
+startxref
+542
+%%EOF
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
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+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+7 0 obj
+<<
+  /Length 48
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Sandwiches) Tj
+ET
+endstream
+endobj
+
+xref
+0 1
+0000000006 65535 f 
+3 2
+0000000750 00000 n 
+0000000000 00000 f 
+7 1
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+trailer <<
+  /Size 8
+  /Root 1 0 R
+  /Prev 542
+>>
+startxref
+1022
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad7-recover.out b/qpdf/qtest/qpdf/bad7-recover.out
new file mode 100644
index 00000000..56b99f9d
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad7-recover.out
@@ -0,0 +1,4 @@
+WARNING: bad7.pdf: offset 0: file is damaged
+WARNING: bad7.pdf: offset 698: expected trailer dictionary
+WARNING: Attempting to reconstruct cross-reference table
+bad7.pdf: unable to find trailer dictionary while recovering damanged file
diff --git a/qpdf/qtest/qpdf/bad7.out b/qpdf/qtest/qpdf/bad7.out
new file mode 100644
index 00000000..aac77151
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad7.out
@@ -0,0 +1 @@
+bad7.pdf: offset 698: expected trailer dictionary
diff --git a/qpdf/qtest/qpdf/bad7.pdf b/qpdf/qtest/qpdf/bad7.pdf
new file mode 100644
index 00000000..f44c1e66
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad7.pdf
@@ -0,0 +1,77 @@
+%PDF-1.3
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+
+3 0 obj
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+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+xref
+0 7
+0000000000 65535 f 
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+0000000300 00000 n 
+0000000389 00000 n 
+0000000424 00000 n 
+trailer 3 <<
+  /Size 7
+  /Root 1 0 R
+>>
+startxref
+542
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad8-recover.out b/qpdf/qtest/qpdf/bad8-recover.out
new file mode 100644
index 00000000..e9144d42
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad8-recover.out
@@ -0,0 +1,9 @@
+WARNING: bad8.pdf: offset 0: file is damaged
+WARNING: bad8.pdf: offset 543: xref not found
+WARNING: Attempting to reconstruct cross-reference table
+/QTest is implicit
+/QTest is direct
+/QTest is null
+unparse: null
+unparseResolved: null
+test 1 done
diff --git a/qpdf/qtest/qpdf/bad8.out b/qpdf/qtest/qpdf/bad8.out
new file mode 100644
index 00000000..a3338ed4
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad8.out
@@ -0,0 +1 @@
+bad8.pdf: offset 543: xref not found
diff --git a/qpdf/qtest/qpdf/bad8.pdf b/qpdf/qtest/qpdf/bad8.pdf
new file mode 100644
index 00000000..9f424af1
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad8.pdf
@@ -0,0 +1,104 @@
+%PDF-1.3
+1 0 obj
+<<
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+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+xref
+0 7
+0000000000 65535 f 
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+0000000300 00000 n 
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+trailer <<
+  /Size 7
+  /Root 1 0 R
+>>
+startxref
+542
+%%EOF
+
+4 0 obj
+<<
+  /Length 43
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Salad) Tj
+ET
+endstream
+endobj
+
+xref
+0 1
+0000000000 65535 f 
+4 1
+0000000750 00000 n 
+trailer <<
+  /Size 7
+  /Root 1 0 R
+  /Prev 543
+>>
+startxref
+845
+%%EOF
diff --git a/qpdf/qtest/qpdf/bad9-recover.out b/qpdf/qtest/qpdf/bad9-recover.out
new file mode 100644
index 00000000..424b47cf
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad9-recover.out
@@ -0,0 +1,9 @@
+WARNING: bad9.pdf: offset 0: file is damaged
+WARNING: bad9.pdf: offset 712: trailer dictionary lacks /Size key
+WARNING: Attempting to reconstruct cross-reference table
+/QTest is implicit
+/QTest is direct
+/QTest is null
+unparse: null
+unparseResolved: null
+test 1 done
diff --git a/qpdf/qtest/qpdf/bad9.out b/qpdf/qtest/qpdf/bad9.out
new file mode 100644
index 00000000..6799ccd9
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad9.out
@@ -0,0 +1 @@
+bad9.pdf: offset 712: trailer dictionary lacks /Size key
diff --git a/qpdf/qtest/qpdf/bad9.pdf b/qpdf/qtest/qpdf/bad9.pdf
new file mode 100644
index 00000000..a52b15fa
--- /dev/null
+++ b/qpdf/qtest/qpdf/bad9.pdf
@@ -0,0 +1,79 @@
+%PDF-1.3
+1 0 obj
+<<
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+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
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+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+endobj
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+xref
+0 7
+0000000000 65535 f 
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+0000000135 00000 n 
+0000000307 00000 n 
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+0000000438 00000 n 
+trailer <<
+  /Siqe 7
+  /Root 1 0 R
+>>
+startxref
+556
+%%EOF
diff --git a/qpdf/qtest/qpdf/badlin1.out b/qpdf/qtest/qpdf/badlin1.out
new file mode 100644
index 00000000..8ad4bfd5
--- /dev/null
+++ b/qpdf/qtest/qpdf/badlin1.out
@@ -0,0 +1,380 @@
+ERROR: first page object (/O) mismatch
+ERROR: space before first xref item (/T) mismatch (computed = 11777; file = 11771
+WARNING: end of first page section (/E) mismatch: /E = 1827; computed = 3889..3891
+WARNING: page 0 has shared identifier entries
+WARNING: page 0: shared object 62: in hint table but not computed list
+badlin1.pdf: linearization data:
+
+file_size: 13103
+first_page_object: 63
+first_page_end: 1827
+npages: 30
+xref_zero_offset: 11770
+first_page: 0
+H_offset: 1211
+H_length: 203
+
+Page Offsets Hint Table
+
+min_nobjects: 2
+first_page_offset: 1414
+nbits_delta_nobjects: 4
+min_page_length: 259
+nbits_delta_page_length: 12
+min_content_offset: 0
+nbits_delta_content_offset: 0
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diff --git a/qpdf/qtest/qpdf/badlin1.pdf b/qpdf/qtest/qpdf/badlin1.pdf
new file mode 100644
index 00000000..8539ac4b
--- /dev/null
+++ b/qpdf/qtest/qpdf/badlin1.pdf
diff --git a/qpdf/qtest/qpdf/check-ID.pl b/qpdf/qtest/qpdf/check-ID.pl
new file mode 100644
index 00000000..963b48fe
--- /dev/null
+++ b/qpdf/qtest/qpdf/check-ID.pl
@@ -0,0 +1,20 @@
+use strict;
+$^W=1;
+
+my $okay = 0;
+my $id = '31415926535897932384626433832795';
+while (<>)
+{
+    if ((m,/ID ?\[<([[:xdigit:]]{32})><$id>\],) && ($1 ne $id))
+    {
+	$okay = 1;
+    }
+}
+if ($okay)
+{
+    print "ID okay\n";
+}
+else
+{
+    print "ID bad\n";
+}
diff --git a/qpdf/qtest/qpdf/delete-and-reuse.pdf b/qpdf/qtest/qpdf/delete-and-reuse.pdf
new file mode 100644
index 00000000..53a89ae5
--- /dev/null
+++ b/qpdf/qtest/qpdf/delete-and-reuse.pdf
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diff --git a/qpdf/qtest/qpdf/diff-encrypted b/qpdf/qtest/qpdf/diff-encrypted
new file mode 100755
index 00000000..64c0b2a8
--- /dev/null
+++ b/qpdf/qtest/qpdf/diff-encrypted
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+else
+   diff -a -U 0 $1 $2
+fi
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)Tj
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+( )Tj
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+0.0927 -1.8 TD
+(\))Tj
+-0.0927 -1.8 TD
+(*)Tj
+T*
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+T*
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+T*
+(-)Tj
+T*
+(.)Tj
+1.44 27.0002 TD
+(/)Tj
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+(0)Tj
+T*
+(1)Tj
+T*
+(2)Tj
+T*
+(3)Tj
+T*
+(4)Tj
+T*
+(5)Tj
+T*
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+0.2018 -1.8 TD
+(7)Tj
+-0.2018 -1.8 TD
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+T*
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+T*
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+[(25A)11(0)]TJ
+0 -6.6 TD
+[(25A)11(1)]TJ
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+[(25A)11(2)]TJ
+T*
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+T*
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+T*
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+T*
+(25D4)Tj
+T*
+(25D5)Tj
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+T*
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+(25DC)Tj
+T*
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+T*
+[(25E)11(2)]TJ
+T*
+[(25E)11(3)]TJ
+T*
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+T*
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+T*
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+T*
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+T*
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+-0.04 -6.6 TD
+[(25E)11(C)]TJ
+T*
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+(25F0)Tj
+0 -6.6 TD
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+T*
+(25F2)Tj
+T*
+(25F3)Tj
+T*
+(25F4)Tj
+T*
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+/F6 1 Tf
+9.999 0 0 9.999 191.4248 687.6086 Tm
+0 Tc
+(0)Tj
+0 -3.9601 TD
+(1)Tj
+T*
+(2)Tj
+T*
+(3)Tj
+T*
+(4)Tj
+T*
+(5)Tj
+T*
+(6)Tj
+T*
+(7)Tj
+T*
+(8)Tj
+T*
+(9)Tj
+-0.06 -3.9601 TD
+(A)Tj
+T*
+(B)Tj
+-0.024 -3.9601 TD
+(C)Tj
+T*
+(D)Tj
+0.024 -3.9601 TD
+(E)Tj
+0.024 -3.9601 TD
+(F)Tj
+ET
+1.49 w 
+202.104 727.685 m
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+391.928 79.259 l
+202.104 712.807 m
+391.928 712.807 l
+202.104 79.259 m
+391.928 79.259 l
+S
+test 2 done
diff --git a/qpdf/qtest/qpdf/fix1.qdf b/qpdf/qtest/qpdf/fix1.qdf
new file mode 100644
index 00000000..091372fc
--- /dev/null
+++ b/qpdf/qtest/qpdf/fix1.qdf
@@ -0,0 +1,111 @@
+%PDF-1.3
+%¿÷¢þ
+%QDF-1.0
+
+1 0 obj
+<<
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+>>
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+
+2 0 obj
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+>>
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+
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+3 0 obj
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+
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+endstream
+endobj
+
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+endobj
+
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+trailer <<
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+  /Size 8
+>>
+startxref
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+%%EOF
diff --git a/qpdf/qtest/qpdf/fix1.qdf.out b/qpdf/qtest/qpdf/fix1.qdf.out
new file mode 100644
index 00000000..d436bce7
--- /dev/null
+++ b/qpdf/qtest/qpdf/fix1.qdf.out
@@ -0,0 +1,113 @@
+%PDF-1.3
+%¿÷¢þ
+%QDF-1.0
+
+1 0 obj
+<<
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+  /Type /Catalog
+>>
+endobj
+
+2 0 obj
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+  /Kids [
+    3 0 R
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+>>
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+
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+  /Resources <<
+    /Font <<
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+  >>
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+>>
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+
+%% Contents for page 1
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+endobj
+
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+endobj
+
+9 0 obj
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+
+xref
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+trailer <<
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+startxref
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diff --git a/qpdf/qtest/qpdf/fix2.qdf b/qpdf/qtest/qpdf/fix2.qdf
new file mode 100644
index 00000000..c368523e
--- /dev/null
+++ b/qpdf/qtest/qpdf/fix2.qdf
diff --git a/qpdf/qtest/qpdf/fix2.qdf.out b/qpdf/qtest/qpdf/fix2.qdf.out
new file mode 100644
index 00000000..ccccaa9e
--- /dev/null
+++ b/qpdf/qtest/qpdf/fix2.qdf.out
diff --git a/qpdf/qtest/qpdf/good1.out b/qpdf/qtest/qpdf/good1.out
new file mode 100644
index 00000000..1d31025f
--- /dev/null
+++ b/qpdf/qtest/qpdf/good1.out
@@ -0,0 +1,6 @@
+/QTest is implicit
+/QTest is direct
+/QTest is null
+unparse: null
+unparseResolved: null
+test 1 done
diff --git a/qpdf/qtest/qpdf/good1.pdf b/qpdf/qtest/qpdf/good1.pdf
new file mode 100644
index 00000000..55b7a764
--- /dev/null
+++ b/qpdf/qtest/qpdf/good1.pdf
diff --git a/qpdf/qtest/qpdf/good1.qdf b/qpdf/qtest/qpdf/good1.qdf
new file mode 100644
index 00000000..976ed2b2
--- /dev/null
+++ b/qpdf/qtest/qpdf/good1.qdf
@@ -0,0 +1,95 @@
+%PDF-1.3
+%¿÷¢þ
+%QDF-1.0
+
+1 0 obj
+<<
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+  /Type /Catalog
+>>
+endobj
+
+2 0 obj
+<<
+  /Count 1
+  /Kids [
+    3 0 R
+  ]
+  /Type /Pages
+>>
+endobj
+
+%% Page 1
+3 0 obj
+<<
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+  /MediaBox [
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+    0
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+  /Parent 2 0 R
+  /Resources <<
+    /Font <<
+      /F1 6 0 R
+    >>
+    /ProcSet 7 0 R
+  >>
+  /Type /Page
+>>
+endobj
+
+%% Contents for page 1
+4 0 obj
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+>>
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+ET
+endstream
+endobj
+
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+
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+  /Subtype /Type1
+  /Type /Font
+>>
+endobj
+
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+[
+  /PDF
+  /Text
+]
+endobj
+
+xref
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+0000000612 00000 n 
+trailer <<
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+  /Size 8
+  /ID [<31415926535897932384626433832795><31415926535897932384626433832795>]
+>>
+startxref
+647
+%%EOF
diff --git a/qpdf/qtest/qpdf/good10.out b/qpdf/qtest/qpdf/good10.out
new file mode 100644
index 00000000..3c0bed95
--- /dev/null
+++ b/qpdf/qtest/qpdf/good10.out
@@ -0,0 +1,8 @@
+/QTest is direct
+/QTest is an array with 3 items
+  item 0 is direct
+  item 1 is direct
+  item 2 is indirect
+unparse: [ 1 (2) 8 0 R ]
+unparseResolved: [ 1 (2) 8 0 R ]
+test 1 done
diff --git a/qpdf/qtest/qpdf/good10.pdf b/qpdf/qtest/qpdf/good10.pdf
new file mode 100644
index 00000000..13a88101
--- /dev/null
+++ b/qpdf/qtest/qpdf/good10.pdf
@@ -0,0 +1,80 @@
+%PDF-1.3
+1 0 obj
+<<
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+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+endobj
+
+3 0 obj
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+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
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+  /Length 44
+>>
+stream
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+  /F1 24 Tf
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+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
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+  /Text
+]
+endobj
+
+6 0 obj
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+trailer <<
+  /Size 7
+  /Root 1 0 R
+  /QTest [1 (2) 8 0 R]
+>>
+startxref
+556
+%%EOF
diff --git a/qpdf/qtest/qpdf/good10.qdf b/qpdf/qtest/qpdf/good10.qdf
new file mode 100644
index 00000000..c2e7a50c
--- /dev/null
+++ b/qpdf/qtest/qpdf/good10.qdf
@@ -0,0 +1,100 @@
+%PDF-1.3
+%¿÷¢þ
+%QDF-1.0
+
+1 0 obj
+<<
+  /Pages 2 0 R
+  /Type /Catalog
+>>
+endobj
+
+2 0 obj
+<<
+  /Count 1
+  /Kids [
+    3 0 R
+  ]
+  /Type /Pages
+>>
+endobj
+
+%% Page 1
+3 0 obj
+<<
+  /Contents 4 0 R
+  /MediaBox [
+    0
+    0
+    612
+    792
+  ]
+  /Parent 2 0 R
+  /Resources <<
+    /Font <<
+      /F1 6 0 R
+    >>
+    /ProcSet 7 0 R
+  >>
+  /Type /Page
+>>
+endobj
+
+%% Contents for page 1
+4 0 obj
+<<
+  /Length 5 0 R
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+44
+endobj
+
+6 0 obj
+<<
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+  /Name /F1
+  /Subtype /Type1
+  /Type /Font
+>>
+endobj
+
+7 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+xref
+0 8
+0000000000 65535 f 
+0000000025 00000 n 
+0000000079 00000 n 
+0000000161 00000 n 
+0000000376 00000 n 
+0000000475 00000 n 
+0000000494 00000 n 
+0000000612 00000 n 
+trailer <<
+  /QTest [
+    1
+    (2)
+    null
+  ]
+  /Root 1 0 R
+  /Size 8
+  /ID [<31415926535897932384626433832795><31415926535897932384626433832795>]
+>>
+startxref
+647
+%%EOF
diff --git a/qpdf/qtest/qpdf/good11.out b/qpdf/qtest/qpdf/good11.out
new file mode 100644
index 00000000..676a0343
--- /dev/null
+++ b/qpdf/qtest/qpdf/good11.out
@@ -0,0 +1,6 @@
+/QTest is direct
+/QTest is a dictionary
+  /a is direct
+unparse: << /a (a) /b 8 0 R >>
+unparseResolved: << /a (a) /b 8 0 R >>
+test 1 done
diff --git a/qpdf/qtest/qpdf/good11.pdf b/qpdf/qtest/qpdf/good11.pdf
new file mode 100644
index 00000000..4e18be7b
--- /dev/null
+++ b/qpdf/qtest/qpdf/good11.pdf
@@ -0,0 +1,81 @@
+%PDF-1.3
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+endobj
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+xref
+0 7
+0000000000 65535 f 
+0000000009 00000 n 
+0000000063 00000 n 
+0000000135 00000 n 
+0000000307 00000 n 
+0000000403 00000 n 
+0000000438 00000 n 
+trailer <<
+  /Size 7
+  /Root 1 0 R
+  /QTest <<  /a(a)
+            /b 8 0 R >>
+>>
+startxref
+556
+%%EOF
diff --git a/qpdf/qtest/qpdf/good11.qdf b/qpdf/qtest/qpdf/good11.qdf
new file mode 100644
index 00000000..3d673b04
--- /dev/null
+++ b/qpdf/qtest/qpdf/good11.qdf
@@ -0,0 +1,98 @@
+%PDF-1.3
+%¿÷¢þ
+%QDF-1.0
+
+1 0 obj
+<<
+  /Pages 2 0 R
+  /Type /Catalog
+>>
+endobj
+
+2 0 obj
+<<
+  /Count 1
+  /Kids [
+    3 0 R
+  ]
+  /Type /Pages
+>>
+endobj
+
+%% Page 1
+3 0 obj
+<<
+  /Contents 4 0 R
+  /MediaBox [
+    0
+    0
+    612
+    792
+  ]
+  /Parent 2 0 R
+  /Resources <<
+    /Font <<
+      /F1 6 0 R
+    >>
+    /ProcSet 7 0 R
+  >>
+  /Type /Page
+>>
+endobj
+
+%% Contents for page 1
+4 0 obj
+<<
+  /Length 5 0 R
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+44
+endobj
+
+6 0 obj
+<<
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+  /Name /F1
+  /Subtype /Type1
+  /Type /Font
+>>
+endobj
+
+7 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+xref
+0 8
+0000000000 65535 f 
+0000000025 00000 n 
+0000000079 00000 n 
+0000000161 00000 n 
+0000000376 00000 n 
+0000000475 00000 n 
+0000000494 00000 n 
+0000000612 00000 n 
+trailer <<
+  /QTest <<
+    /a (a)
+  >>
+  /Root 1 0 R
+  /Size 8
+  /ID [<31415926535897932384626433832795><31415926535897932384626433832795>]
+>>
+startxref
+647
+%%EOF
diff --git a/qpdf/qtest/qpdf/good12.out b/qpdf/qtest/qpdf/good12.out
new file mode 100644
index 00000000..b75d27b1
--- /dev/null
+++ b/qpdf/qtest/qpdf/good12.out
@@ -0,0 +1,13 @@
+/QTest is indirect
+/QTest is a stream.  Dictionary: << /Filter /FlateDecode /Length 123 >>
+Raw stream data:
+xœ%�11û¼b;t�à4| wXIDì Ø
å÷8G·«Í>rQ¨uŠOÒêEŒ:©IWìÃPlíµII)Ãr´p4~;§ÎAs/òÒ…jcúú¾
÷Žs§åözû»ž�T.?®uŽæ§<Ž¼…Ð*6ä
+Uncompressed stream data:
+This stream is not very interesting, but it is long enough that
+compressing shrinks it somewhat.  Or maybe not.  But it doesn't really
+matter that much.
+
+End of stream data
+unparse: 7 0 R
+unparseResolved: 7 0 R
+test 1 done
diff --git a/qpdf/qtest/qpdf/good12.pdf b/qpdf/qtest/qpdf/good12.pdf
new file mode 100644
index 00000000..8d91aef8
--- /dev/null
+++ b/qpdf/qtest/qpdf/good12.pdf
@@ -0,0 +1,93 @@
+%PDF-1.3
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+endobj
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+7 0 obj
+<<
+  % Comment
+  /Length
+  123
+  /Filter /FlateDecode
+>>
+stream
+xœ%�11û¼b;t�à4| wXIDì Ø
å÷8G·«Í>rQ¨uŠOÒêEŒ:©IWìÃPlíµII)Ãr´p4~;§ÎAs/òÒ…jcúú¾
÷Žs§åözû»ž�T.?®uŽæ§<Ž¼…Ð*6ä
+endstream
+endobj
+
+xref
+0 8
+0000000000 65535 f 
+0000000009 00000 n 
+0000000063 00000 n 
+0000000135 00000 n 
+0000000307 00000 n 
+0000000403 00000 n 
+0000000438 00000 n 
+0000000556 00000 n 
+trailer <<
+  /Size 8
+  /Root 1 0 R
+  /QTest 7 0 R
+>>
+startxref
+770
+%%EOF
diff --git a/qpdf/qtest/qpdf/good12.qdf b/qpdf/qtest/qpdf/good12.qdf
new file mode 100644
index 00000000..107f3d04
--- /dev/null
+++ b/qpdf/qtest/qpdf/good12.qdf
@@ -0,0 +1,113 @@
+%PDF-1.3
+%¿÷¢þ
+%QDF-1.0
+
+1 0 obj
+<<
+  /Pages 4 0 R
+  /Type /Catalog
+>>
+endobj
+
+2 0 obj
+<<
+  /Length 3 0 R
+>>
+stream
+This stream is not very interesting, but it is long enough that
+compressing shrinks it somewhat.  Or maybe not.  But it doesn't really
+matter that much.
+endstream
+endobj
+
+3 0 obj
+153
+endobj
+
+4 0 obj
+<<
+  /Count 1
+  /Kids [
+    5 0 R
+  ]
+  /Type /Pages
+>>
+endobj
+
+%% Page 1
+5 0 obj
+<<
+  /Contents 6 0 R
+  /MediaBox [
+    0
+    0
+    612
+    792
+  ]
+  /Parent 4 0 R
+  /Resources <<
+    /Font <<
+      /F1 8 0 R
+    >>
+    /ProcSet 9 0 R
+  >>
+  /Type /Page
+>>
+endobj
+
+%% Contents for page 1
+6 0 obj
+<<
+  /Length 7 0 R
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+7 0 obj
+44
+endobj
+
+8 0 obj
+<<
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+  /Name /F1
+  /Subtype /Type1
+  /Type /Font
+>>
+endobj
+
+9 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+xref
+0 10
+0000000000 65535 f 
+0000000025 00000 n 
+0000000079 00000 n 
+0000000287 00000 n 
+0000000307 00000 n 
+0000000389 00000 n 
+0000000604 00000 n 
+0000000703 00000 n 
+0000000722 00000 n 
+0000000840 00000 n 
+trailer <<
+  /QTest 2 0 R
+  /Root 1 0 R
+  /Size 10
+  /ID [<31415926535897932384626433832795><31415926535897932384626433832795>]
+>>
+startxref
+875
+%%EOF
diff --git a/qpdf/qtest/qpdf/good13.out b/qpdf/qtest/qpdf/good13.out
new file mode 100644
index 00000000..a75f68c5
--- /dev/null
+++ b/qpdf/qtest/qpdf/good13.out
@@ -0,0 +1,9 @@
+/QTest is indirect
+/QTest is a dictionary
+  /hex strings is direct
+  /indirect is indirect
+  /nesting is direct
+  /strings is direct
+unparse: 7 0 R
+unparseResolved: << /hex#20strings [ (Potato) <01020300040560> (AB) ] /indirect 8 0 R /nesting << /a [ 1 2 << /x (y) >> [ (z) ] ] /b << / (legal) /a [ 1 2 ] >> >> /strings [ (one) ($¢) () (\(\)) (\() (\)) (a\f\b\t\r\nb) <410042> (a\nb) (a b) ] >>
+test 1 done
diff --git a/qpdf/qtest/qpdf/good13.pdf b/qpdf/qtest/qpdf/good13.pdf
new file mode 100644
index 00000000..516774c5
--- /dev/null
+++ b/qpdf/qtest/qpdf/good13.pdf
@@ -0,0 +1,101 @@
+%PDF-1.3
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+endobj
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+7 0 obj
+<<
+  /strings [(one) ($\242) () (()) (\() (\)) (a\f\b\t\r\nb) (A\000B) (a
+b) (a \
+b)]
+  /hex#20strings [<506F7461746f> <010 203 0004056> <41
+42>]
+  /indirect 8 0 R
+  /n#65sting <<
+    /a [1 2 << /x (y) >> [(z)]]
+    /b <</a [1 2] / (legal)>>
+  >>
+>>
+endobj
+
+8 0 obj
+(hello)
+endobj
+
+xref
+0 9
+0000000000 65535 f 
+0000000009 00000 n 
+0000000063 00000 n 
+0000000135 00000 n 
+0000000307 00000 n 
+0000000403 00000 n 
+0000000438 00000 n 
+0000000556 00000 n 
+0000000822 00000 n 
+trailer <<
+  /Size 9
+  /Root 1 0 R
+  /QTest 7 0 R
+>>
+startxref
+846
+%%EOF
diff --git a/qpdf/qtest/qpdf/good13.qdf b/qpdf/qtest/qpdf/good13.qdf
new file mode 100644
index 00000000..c2f50c0f
--- /dev/null
+++ b/qpdf/qtest/qpdf/good13.qdf
@@ -0,0 +1,139 @@
+%PDF-1.3
+%¿÷¢þ
+%QDF-1.0
+
+1 0 obj
+<<
+  /Pages 3 0 R
+  /Type /Catalog
+>>
+endobj
+
+2 0 obj
+<<
+  /hex#20strings [
+    (Potato)
+    <01020300040560>
+    (AB)
+  ]
+  /indirect (hello)
+  /nesting <<
+    /a [
+      1
+      2
+      <<
+        /x (y)
+      >>
+      [
+        (z)
+      ]
+    ]
+    /b <<
+      / (legal)
+      /a [
+        1
+        2
+      ]
+    >>
+  >>
+  /strings [
+    (one)
+    ($¢)
+    ()
+    (\(\))
+    (\()
+    (\))
+    (a\f\b\t\r\nb)
+    <410042>
+    (a\nb)
+    (a b)
+  ]
+>>
+endobj
+
+3 0 obj
+<<
+  /Count 1
+  /Kids [
+    4 0 R
+  ]
+  /Type /Pages
+>>
+endobj
+
+%% Page 1
+4 0 obj
+<<
+  /Contents 5 0 R
+  /MediaBox [
+    0
+    0
+    612
+    792
+  ]
+  /Parent 3 0 R
+  /Resources <<
+    /Font <<
+      /F1 7 0 R
+    >>
+    /ProcSet 8 0 R
+  >>
+  /Type /Page
+>>
+endobj
+
+%% Contents for page 1
+5 0 obj
+<<
+  /Length 6 0 R
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+6 0 obj
+44
+endobj
+
+7 0 obj
+<<
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+  /Name /F1
+  /Subtype /Type1
+  /Type /Font
+>>
+endobj
+
+8 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+xref
+0 9
+0000000000 65535 f 
+0000000025 00000 n 
+0000000079 00000 n 
+0000000495 00000 n 
+0000000577 00000 n 
+0000000792 00000 n 
+0000000891 00000 n 
+0000000910 00000 n 
+0000001028 00000 n 
+trailer <<
+  /QTest 2 0 R
+  /Root 1 0 R
+  /Size 9
+  /ID [<31415926535897932384626433832795><31415926535897932384626433832795>]
+>>
+startxref
+1063
+%%EOF
diff --git a/qpdf/qtest/qpdf/good14.out b/qpdf/qtest/qpdf/good14.out
new file mode 100644
index 00000000..c8e5fc9b
--- /dev/null
+++ b/qpdf/qtest/qpdf/good14.out
@@ -0,0 +1,39 @@
+-- stream 0 --
+A %here is a comment
+B % here is another with CR
+A B 
+
+one
+two
+three lines
+(string with \r\nCRNL)
+ and another
+   indentation
+(\001B%DEF)<01>
+<8a8b>
+(ab)
+<8c>(Ý) ) >
+<610062> (MOO)
+-- stream 1 --
+This stream does end with a newline.
+// tests:
+//   bad tokens preserved
+//   comments
+//   indentation
+//   CR/NL inside string literal -- changed to \r or \n, newline follows
+//   whitespace in hexstring (removed)
+//   strings normalized
+//   newlines normalized
+//   names normalized
+//   trailing space (preserved)
+//   final newline added
+
+/bad#name
+  
+/good name
+/bad#00name
+-- stream 2 --
+(This stream ends with a \001 bad token
+-- stream 3 --
+<AB X
+test 3 done
diff --git a/qpdf/qtest/qpdf/good14.pdf b/qpdf/qtest/qpdf/good14.pdf
new file mode 100644
index 00000000..a6cd4bee
--- /dev/null
+++ b/qpdf/qtest/qpdf/good14.pdf
@@ -0,0 +1,142 @@
+%PDF-1.3 -*- coding: no-conversion -*-
+%¿›þ¢
+1 0 obj
+<<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
+<<
+  /Type /Pages
+  /Kids [
+    3 0 R
+  ]
+  /Count 1
+>>
+endobj
+
+3 0 obj
+<<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /Contents 4 0 R
+  /Resources <<
+    /ProcSet 5 0 R
+    /Font <<
+      /F1 6 0 R
+    >>
+  >>
+>>
+endobj
+
+4 0 obj
+<<
+  /Length 44
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+6 0 obj
+<<
+  /Type /Font
+  /Subtype /Type1
+  /Name /F1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+
+7 0 obj
+<< /Length 9 0 R >>
+stream

+A %here is a comment
+B % here is another with CR

+A B 


+one
two
three lines
+(string with 

+CRNL) and another
+   indentation
+(
B%DEF)(
)
+<8A
+8B><61
62><8c><DD> ) >
+(a\000b) <4D4F4F>endstream
endobj
+
+8 0 obj
+<< /Length 385 >>
+stream
+This stream does end with a newline.
+// tests:
+//   bad tokens preserved
+//   comments
+//   indentation
+//   CR/NL inside string literal -- changed to \r or \n, newline follows
+//   whitespace in hexstring (removed)
+//   strings normalized
+//   newlines normalized
+//   names normalized
+//   trailing space (preserved)
+//   final newline added
+
+/bad#name
+  
+/g#6f#6Fd name
+/bad#00name
+endstream
+endobj
+
+9 0 obj
+181
+endobj
+
+10 0 obj
+<< /Length 40 >>
+stream
+(This stream ends with a \001 bad token
+endstream
+endobj
+
+11 0 obj
+<< /Length 5 >>
+stream
+<AB X
+endstream
+endobj
+
+xref
+0 12
+0000000000 65535 f 
+0000000045 00000 n 
+0000000099 00000 n 
+0000000171 00000 n 
+0000000343 00000 n 
+0000000439 00000 n 
+0000000474 00000 n 
+0000000592 00000 n 
+0000000827 00000 n 
+0000001263 00000 n 
+0000001283 00000 n 
+0000001374 00000 n 
+trailer <<
+  /Size 12
+  /Root 1 0 R
+  /QStreams [ 7 0 R 8 0 R 10 0 R 11 0 R ]
+>>
+startxref
+1430
+%%EOF
diff --git a/qpdf/qtest/qpdf/good14.qdf b/qpdf/qtest/qpdf/good14.qdf
new file mode 100644
index 00000000..07ac0240
--- /dev/null
+++ b/qpdf/qtest/qpdf/good14.qdf
@@ -0,0 +1,189 @@
+%PDF-1.3
+%¿÷¢þ
+%QDF-1.0
+
+1 0 obj
+<<
+  /Pages 10 0 R
+  /Type /Catalog
+>>
+endobj
+
+2 0 obj
+<<
+  /Length 3 0 R
+>>
+stream
+A %here is a comment
+B % here is another with CR

+A B 


+one
two
three lines
+(string with 

+CRNL) and another
+   indentation
+(
B%DEF)(
)
+<8A
+8B><61
62><8c><DD> ) >
+(a\000b) <4D4F4F>
+endstream
+endobj
+
+%QDF: ignore_newline
+3 0 obj
+181
+endobj
+
+4 0 obj
+<<
+  /Length 5 0 R
+>>
+stream
+This stream does end with a newline.
+// tests:
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new file mode 100644
index 00000000..7982e109
--- /dev/null
+++ b/qpdf/qtest/qpdf/good3.out
@@ -0,0 +1,6 @@
+/QTest is implicit
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+unparse: 7 0 R
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+test 1 done
diff --git a/qpdf/qtest/qpdf/good3.pdf b/qpdf/qtest/qpdf/good3.pdf
new file mode 100644
index 00000000..068e7968
--- /dev/null
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+  /Root 1 0 R
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+>>
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new file mode 100644
index 00000000..976ed2b2
--- /dev/null
+++ b/qpdf/qtest/qpdf/good3.qdf
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diff --git a/qpdf/qtest/qpdf/good4.out b/qpdf/qtest/qpdf/good4.out
new file mode 100644
index 00000000..7982e109
--- /dev/null
+++ b/qpdf/qtest/qpdf/good4.out
@@ -0,0 +1,6 @@
+/QTest is implicit
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+unparse: 7 0 R
+unparseResolved: null
+test 1 done
diff --git a/qpdf/qtest/qpdf/good4.pdf b/qpdf/qtest/qpdf/good4.pdf
new file mode 100644
index 00000000..326d542d
--- /dev/null
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+trailer <<
+  /Size 8
+  /Root 1 0 R
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+>>
+startxref
+577
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new file mode 100644
index 00000000..976ed2b2
--- /dev/null
+++ b/qpdf/qtest/qpdf/good4.qdf
@@ -0,0 +1,95 @@
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+
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diff --git a/qpdf/qtest/qpdf/good5.out b/qpdf/qtest/qpdf/good5.out
new file mode 100644
index 00000000..ff2e3fdf
--- /dev/null
+++ b/qpdf/qtest/qpdf/good5.out
@@ -0,0 +1,5 @@
+/QTest is indirect
+/QTest is Boolean with value true
+unparse: 7 0 R
+unparseResolved: true
+test 1 done
diff --git a/qpdf/qtest/qpdf/good5.pdf b/qpdf/qtest/qpdf/good5.pdf
new file mode 100644
index 00000000..0d9b55dd
--- /dev/null
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+>>
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diff --git a/qpdf/qtest/qpdf/good5.qdf b/qpdf/qtest/qpdf/good5.qdf
new file mode 100644
index 00000000..3ace3aa8
--- /dev/null
+++ b/qpdf/qtest/qpdf/good5.qdf
@@ -0,0 +1,96 @@
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+
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+>>
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diff --git a/qpdf/qtest/qpdf/good6.out b/qpdf/qtest/qpdf/good6.out
new file mode 100644
index 00000000..17b498d1
--- /dev/null
+++ b/qpdf/qtest/qpdf/good6.out
@@ -0,0 +1,5 @@
+/QTest is direct
+/QTest is Boolean with value false
+unparse: false
+unparseResolved: false
+test 1 done
diff --git a/qpdf/qtest/qpdf/good6.pdf b/qpdf/qtest/qpdf/good6.pdf
new file mode 100644
index 00000000..790f700a
--- /dev/null
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diff --git a/qpdf/qtest/qpdf/good6.qdf b/qpdf/qtest/qpdf/good6.qdf
new file mode 100644
index 00000000..1602336f
--- /dev/null
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+  /ID [<31415926535897932384626433832795><31415926535897932384626433832795>]
+>>
+startxref
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diff --git a/qpdf/qtest/qpdf/good7-not-normalized.qdf b/qpdf/qtest/qpdf/good7-not-normalized.qdf
new file mode 100644
index 00000000..5c6e9caf
--- /dev/null
+++ b/qpdf/qtest/qpdf/good7-not-normalized.qdf
@@ -0,0 +1,95 @@
+%PDF-1.3
+%¿÷¢þ
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+
+1 0 obj
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ET 
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+trailer <<
+  /QTest 16059
+  /Root 1 0 R
+  /Size 8
+  /ID [<31415926535897932384626433832795><31415926535897932384626433832795>]
+>>
+startxref
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diff --git a/qpdf/qtest/qpdf/good7.out b/qpdf/qtest/qpdf/good7.out
new file mode 100644
index 00000000..ab14fba0
--- /dev/null
+++ b/qpdf/qtest/qpdf/good7.out
@@ -0,0 +1,5 @@
+/QTest is direct
+/QTest is an integer with value 16059
+unparse: 16059
+unparseResolved: 16059
+test 1 done
diff --git a/qpdf/qtest/qpdf/good7.pdf b/qpdf/qtest/qpdf/good7.pdf
new file mode 100644
index 00000000..e5f2298e
--- /dev/null
+++ b/qpdf/qtest/qpdf/good7.pdf
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+>>
+startxref

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diff --git a/qpdf/qtest/qpdf/good7.qdf b/qpdf/qtest/qpdf/good7.qdf
new file mode 100644
index 00000000..c338e80c
--- /dev/null
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diff --git a/qpdf/qtest/qpdf/hybrid-xref.1.check b/qpdf/qtest/qpdf/hybrid-xref.1.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/hybrid-xref.1.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/hybrid-xref.10.check b/qpdf/qtest/qpdf/hybrid-xref.10.check
new file mode 100644
index 00000000..0e0ed996
--- /dev/null
+++ b/qpdf/qtest/qpdf/hybrid-xref.10.check
@@ -0,0 +1,5 @@
+checking a.pdf
+P = -4
+User password = 
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/hybrid-xref.11.check b/qpdf/qtest/qpdf/hybrid-xref.11.check
new file mode 100644
index 00000000..327d847a
--- /dev/null
+++ b/qpdf/qtest/qpdf/hybrid-xref.11.check
@@ -0,0 +1,5 @@
+checking a.pdf
+P = -4
+User password = 
+File is linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/hybrid-xref.12.check b/qpdf/qtest/qpdf/hybrid-xref.12.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/hybrid-xref.12.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/hybrid-xref.2.check b/qpdf/qtest/qpdf/hybrid-xref.2.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/hybrid-xref.2.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/hybrid-xref.3.check b/qpdf/qtest/qpdf/hybrid-xref.3.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/hybrid-xref.3.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/hybrid-xref.4.check b/qpdf/qtest/qpdf/hybrid-xref.4.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/hybrid-xref.4.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/hybrid-xref.5.check b/qpdf/qtest/qpdf/hybrid-xref.5.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/hybrid-xref.5.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/hybrid-xref.6.check b/qpdf/qtest/qpdf/hybrid-xref.6.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/hybrid-xref.6.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/hybrid-xref.7.check b/qpdf/qtest/qpdf/hybrid-xref.7.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/hybrid-xref.7.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/hybrid-xref.8.check b/qpdf/qtest/qpdf/hybrid-xref.8.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/hybrid-xref.8.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/hybrid-xref.9.check b/qpdf/qtest/qpdf/hybrid-xref.9.check
new file mode 100644
index 00000000..37ea00cf
--- /dev/null
+++ b/qpdf/qtest/qpdf/hybrid-xref.9.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/hybrid-xref.pdf b/qpdf/qtest/qpdf/hybrid-xref.pdf
new file mode 100644
index 00000000..3ad97078
--- /dev/null
+++ b/qpdf/qtest/qpdf/hybrid-xref.pdf
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+  /Title (Amanda 1.1 -> 11: /Fit)
+  /Parent 96 0 R
+  /Next 99 0 R
+  /First 100 0 R
+  /Last 101 0 R
+  /Count -3
+  /Dest [ 14 0 R /Fit ]
+>>
+% 99
+<<
+  /Type /Outline
+  % /Title (Sandy (Sandy [Greek]) 1.2 -> 13: /FitH 792)
+  /Title <feff00530061006e00640079002000f703a303b103bd03b403b900f700200031002e00320020002d003e002000310033003a0020002f00460069007400480020003700390032>
+  /Parent 96 0 R
+  /Prev 98 0 R
+  /First 105 0 R
+  /Last 106 0 R
+  /Count 2
+  /Dest [ 16 0 R /FitH 792 ]
+>>
+% 100
+<<
+  /Type /Outline
+  /Title (Isosicle 1.1.1 -> 12: /FitV 100)
+  /Parent 98 0 R
+  /Next 101 0 R
+  /First 102 0 R
+  /Last 103 0 R
+  /Count -2
+  /Dest [ 15 0 R /FitV 100 ]
+>>
+% 101
+<<
+  /Type /Outline
+  /Title (Isosicle 1.1.2 -> 12: /XYZ null null null)
+  /Parent 98 0 R
+  /Prev 100 0 R
+  /First 104 0 R
+  /Last 104 0 R
+  /Count 1
+  /Dest [ 15 0 R /XYZ null null null ]
+>>
+% 102
+<<
+  /Type /Outline
+  /Title (Isosicle 1.1.1.1 -> 18: /XYZ null null null)
+  /Parent 100 0 R
+  /Next 103 0 R
+  /Dest [ 21 0 R /XYZ null null null ]
+>>
+% 103
+<<
+  /Type /Outline
+  /Title (Isosicle 1.1.1.2 -> 19: /XYZ null null null)
+  /Parent 100 0 R
+  /Prev 102 0 R
+  /Dest [ 22 0 R /XYZ null null null ]
+>>
+% 104
+<<
+  /Type /Outline
+  /Title (Isosicle 1.1.2.1 -> 22: /XYZ null null null)
+  /Parent 101 0 R
+  /Dest [ 25 0 R /XYZ null null null ]
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+% 105
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+  /Title (Trepsichord 1.2.1 -> 1: /FitR 66 714 180 770)
+  /Parent 99 0 R
+  /Next 106 0 R
+  /Dest [ 4 0 R /FitR 66 714 180 770 ]
+>>
+% 106
+<<
+  /Type /Outline
+  /Title (Trepsicle 1.2.2 -> 0: /XYZ null null null)
+  /Parent 99 0 R
+  /Prev 105 0 R
+  /Dest [ 3 0 R /XYZ null null null ]
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+% 107
+ << /Nums [
+    0 << /P () >>
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+    15 << /S /D /St 6 >>
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+    20 << /S /D /St 12 >>
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+    29 << /S /r /St 54 >>
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+$
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+startxref
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diff --git a/qpdf/qtest/qpdf/inline-images.1.check b/qpdf/qtest/qpdf/inline-images.1.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/inline-images.1.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/inline-images.10.check b/qpdf/qtest/qpdf/inline-images.10.check
new file mode 100644
index 00000000..0e0ed996
--- /dev/null
+++ b/qpdf/qtest/qpdf/inline-images.10.check
@@ -0,0 +1,5 @@
+checking a.pdf
+P = -4
+User password = 
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/inline-images.11.check b/qpdf/qtest/qpdf/inline-images.11.check
new file mode 100644
index 00000000..327d847a
--- /dev/null
+++ b/qpdf/qtest/qpdf/inline-images.11.check
@@ -0,0 +1,5 @@
+checking a.pdf
+P = -4
+User password = 
+File is linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/inline-images.12.check b/qpdf/qtest/qpdf/inline-images.12.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/inline-images.12.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/inline-images.2.check b/qpdf/qtest/qpdf/inline-images.2.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/inline-images.2.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/inline-images.3.check b/qpdf/qtest/qpdf/inline-images.3.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/inline-images.3.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/inline-images.4.check b/qpdf/qtest/qpdf/inline-images.4.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/inline-images.4.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/inline-images.5.check b/qpdf/qtest/qpdf/inline-images.5.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/inline-images.5.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/inline-images.6.check b/qpdf/qtest/qpdf/inline-images.6.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/inline-images.6.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/inline-images.7.check b/qpdf/qtest/qpdf/inline-images.7.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/inline-images.7.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/inline-images.8.check b/qpdf/qtest/qpdf/inline-images.8.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/inline-images.8.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/inline-images.9.check b/qpdf/qtest/qpdf/inline-images.9.check
new file mode 100644
index 00000000..37ea00cf
--- /dev/null
+++ b/qpdf/qtest/qpdf/inline-images.9.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/inline-images.pdf b/qpdf/qtest/qpdf/inline-images.pdf
new file mode 100644
index 00000000..e9c59e2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/inline-images.pdf
diff --git a/qpdf/qtest/qpdf/lin-delete-and-reuse.pdf b/qpdf/qtest/qpdf/lin-delete-and-reuse.pdf
new file mode 100644
index 00000000..a7b20ae2
--- /dev/null
+++ b/qpdf/qtest/qpdf/lin-delete-and-reuse.pdf
diff --git a/qpdf/qtest/qpdf/lin-special.1.check b/qpdf/qtest/qpdf/lin-special.1.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/lin-special.1.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/lin-special.10.check b/qpdf/qtest/qpdf/lin-special.10.check
new file mode 100644
index 00000000..0e0ed996
--- /dev/null
+++ b/qpdf/qtest/qpdf/lin-special.10.check
@@ -0,0 +1,5 @@
+checking a.pdf
+P = -4
+User password = 
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/lin-special.11.check b/qpdf/qtest/qpdf/lin-special.11.check
new file mode 100644
index 00000000..327d847a
--- /dev/null
+++ b/qpdf/qtest/qpdf/lin-special.11.check
@@ -0,0 +1,5 @@
+checking a.pdf
+P = -4
+User password = 
+File is linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/lin-special.12.check b/qpdf/qtest/qpdf/lin-special.12.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/lin-special.12.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/lin-special.2.check b/qpdf/qtest/qpdf/lin-special.2.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/lin-special.2.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/lin-special.3.check b/qpdf/qtest/qpdf/lin-special.3.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/lin-special.3.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/lin-special.4.check b/qpdf/qtest/qpdf/lin-special.4.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/lin-special.4.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/lin-special.5.check b/qpdf/qtest/qpdf/lin-special.5.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/lin-special.5.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/lin-special.6.check b/qpdf/qtest/qpdf/lin-special.6.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/lin-special.6.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/lin-special.7.check b/qpdf/qtest/qpdf/lin-special.7.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/lin-special.7.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/lin-special.8.check b/qpdf/qtest/qpdf/lin-special.8.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/lin-special.8.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/lin-special.9.check b/qpdf/qtest/qpdf/lin-special.9.check
new file mode 100644
index 00000000..37ea00cf
--- /dev/null
+++ b/qpdf/qtest/qpdf/lin-special.9.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/lin-special.disable.exp b/qpdf/qtest/qpdf/lin-special.disable.exp
new file mode 100644
index 00000000..4c2173d3
--- /dev/null
+++ b/qpdf/qtest/qpdf/lin-special.disable.exp
diff --git a/qpdf/qtest/qpdf/lin-special.generate.exp b/qpdf/qtest/qpdf/lin-special.generate.exp
new file mode 100644
index 00000000..a150957c
--- /dev/null
+++ b/qpdf/qtest/qpdf/lin-special.generate.exp
diff --git a/qpdf/qtest/qpdf/lin-special.pdf b/qpdf/qtest/qpdf/lin-special.pdf
new file mode 100644
index 00000000..6dcff293
--- /dev/null
+++ b/qpdf/qtest/qpdf/lin-special.pdf
@@ -0,0 +1,354 @@
+%PDF-1.3
+%¿÷¢þ
+%QDF-1.0
+
+%
+% This file exercises several special conditions in the linearization
+% and optimization code including various cases of shared resources,
+% inherited page attributes, indirect null objects (resolution of
+% which is a qpdf feature), null dictionary keys, and indirect scalar
+% objects.
+%
+% The page tree is
+%
+%  (A)--- page 1
+%   |
+%   +---- page 2
+%   |
+%   +---(B)--- page 3
+%        |
+%        +---- page 4
+%        |
+%        +---- page 5
+%
+% Node (A) defines /MediaBox (direct) and /Resources (indirect)
+% Node (B) overrides /MediaBox
+% Page 1 overrides /Resources
+% Page 4 overrides /Resources
+% Page 5 overrides /MediaBox
+%
+% Page 5 provides the case of two levels of shadowing on a resource.
+%
+% The /MediaBox defined in node (B) is shared between pages 3 and 4
+% but not page 1.  The /MediaBox defined in node (A) is shared between
+% pages 1 and 2 only.
+%
+% The document catalog has two non-standard keys /Moo and /Quack each
+% of which contains (directly or indirectly) an indirect null object.
+%
+% The /Moo object, which is a dictionary, is shared between the
+% document level and page 3 where it appears as a resource.
+%
+
+1 0 obj
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+  /Type /Catalog
+>>
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+  /Type /Pages
+>>
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+
+%% Page 1
+4 0 obj
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+  >>
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+%% Contents for page 1
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+>>
+stream
+BT
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+ET
+endstream
+endobj
+
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+endobj
+
+10 0 obj
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+
+%% Contents for page 2
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+endobj
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+
+%% Page 3
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+
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+
+%% Page 5
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+%% Contents for page 3
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+%% Contents for page 4
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+startxref
+3545
+%%EOF
diff --git a/qpdf/qtest/qpdf/lin-special.preserve.exp b/qpdf/qtest/qpdf/lin-special.preserve.exp
new file mode 100644
index 00000000..4c2173d3
--- /dev/null
+++ b/qpdf/qtest/qpdf/lin-special.preserve.exp
diff --git a/qpdf/qtest/qpdf/lin0.out b/qpdf/qtest/qpdf/lin0.out
new file mode 100644
index 00000000..a6e32e44
--- /dev/null
+++ b/qpdf/qtest/qpdf/lin0.out
@@ -0,0 +1 @@
+lin0.pdf is not linearized
diff --git a/qpdf/qtest/qpdf/lin0.pdf b/qpdf/qtest/qpdf/lin0.pdf
new file mode 100644
index 00000000..a7e01f91
--- /dev/null
+++ b/qpdf/qtest/qpdf/lin0.pdf
@@ -0,0 +1,79 @@
+%PDF-1.3
+1 0 obj
+<<
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+  /Pages 2 0 R
+>>
+endobj
+
+2 0 obj
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+  /Kids [
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+  ]
+  /Count 1
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+
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+      /F1 6 0 R
+    >>
+  >>
+>>
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+
+4 0 obj
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+  /Length 44
+>>
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+BT
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+ET
+endstream
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+
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+  /Text
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+
+xref
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+trailer <<
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+  /Root 1 0 R
+>>
+startxref
+556
+%%EOF
diff --git a/qpdf/qtest/qpdf/lin1.out b/qpdf/qtest/qpdf/lin1.out
new file mode 100644
index 00000000..d97842bc
--- /dev/null
+++ b/qpdf/qtest/qpdf/lin1.out
@@ -0,0 +1,378 @@
+WARNING: end of first page section (/E) mismatch: /E = 1827; computed = 3889..3891
+WARNING: page 0 has shared identifier entries
+WARNING: page 0: shared object 62: in hint table but not computed list
+lin1.pdf: linearization data:
+
+file_size: 13103
+first_page_object: 62
+first_page_end: 1827
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diff --git a/qpdf/qtest/qpdf/lin3.pdf b/qpdf/qtest/qpdf/lin3.pdf
new file mode 100644
index 00000000..e33c7019
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diff --git a/qpdf/qtest/qpdf/lin4.out b/qpdf/qtest/qpdf/lin4.out
new file mode 100644
index 00000000..42c6282e
--- /dev/null
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diff --git a/qpdf/qtest/qpdf/lin4.pdf b/qpdf/qtest/qpdf/lin4.pdf
new file mode 100644
index 00000000..4778bd8a
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diff --git a/qpdf/qtest/qpdf/lin5.out b/qpdf/qtest/qpdf/lin5.out
new file mode 100644
index 00000000..b2261a1b
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+Page Offsets Hint Table
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diff --git a/qpdf/qtest/qpdf/lin8.pdf b/qpdf/qtest/qpdf/lin8.pdf
new file mode 100644
index 00000000..388a21a2
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diff --git a/qpdf/qtest/qpdf/lin9.out b/qpdf/qtest/qpdf/lin9.out
new file mode 100644
index 00000000..6fde8441
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+min_group_length: 34
+nbits_delta_group_length: 7
+Shared Object 0:
+  group length: 119
+Shared Object 1:
+  group length: 105
+Shared Object 2:
+  group length: 67
+Shared Object 3:
+  group length: 123
+Shared Object 4:
+  group length: 34
+Shared Object 5:
+  group length: 67
+Shared Object 6:
+  group length: 117
diff --git a/qpdf/qtest/qpdf/lin9.pdf b/qpdf/qtest/qpdf/lin9.pdf
new file mode 100644
index 00000000..40e76929
--- /dev/null
+++ b/qpdf/qtest/qpdf/lin9.pdf
diff --git a/qpdf/qtest/qpdf/misc-1.out b/qpdf/qtest/qpdf/misc-1.out
new file mode 100644
index 00000000..3cba139e
--- /dev/null
+++ b/qpdf/qtest/qpdf/misc-1.out
@@ -0,0 +1,15 @@
+page 1:
+  images:
+    /Im1: 5100 x 6600
+  content:
+    5 0 R
+end page 1
+page 2:
+  images:
+    /Im2: 5100 x 6600
+    /Im3: 305 x 305
+    /Im4: 305 x 305
+  content:
+    11 0 R
+end page 2
+test 5 done
diff --git a/qpdf/qtest/qpdf/misc-1.pdf b/qpdf/qtest/qpdf/misc-1.pdf
new file mode 100644
index 00000000..dec1d707
--- /dev/null
+++ b/qpdf/qtest/qpdf/misc-1.pdf
diff --git a/qpdf/qtest/qpdf/misc-2.out b/qpdf/qtest/qpdf/misc-2.out
new file mode 100644
index 00000000..139d64cc
--- /dev/null
+++ b/qpdf/qtest/qpdf/misc-2.out
@@ -0,0 +1,26 @@
+page 1:
+  images:
+    /Im1: 5100 x 6600
+  content:
+    5 0 R
+end page 1
+page 2:
+  images:
+    /Im2: 5100 x 6600
+    /Im3: 305 x 305
+  content:
+    10 0 R
+end page 2
+page 3:
+  images:
+    /Im4: 5100 x 6600
+  content:
+    14 0 R
+end page 3
+page 4:
+  images:
+    /Im5: 5100 x 6600
+  content:
+    18 0 R
+end page 4
+test 5 done
diff --git a/qpdf/qtest/qpdf/misc-2.pdf b/qpdf/qtest/qpdf/misc-2.pdf
new file mode 100644
index 00000000..a7a3a93c
--- /dev/null
+++ b/qpdf/qtest/qpdf/misc-2.pdf
diff --git a/qpdf/qtest/qpdf/misc-3.out b/qpdf/qtest/qpdf/misc-3.out
new file mode 100644
index 00000000..f9c89df2
--- /dev/null
+++ b/qpdf/qtest/qpdf/misc-3.out
@@ -0,0 +1,14 @@
+page 1:
+  images:
+  content:
+    4 0 R
+    6 0 R
+end page 1
+QStrings:
+No Special Characters
+These: ¿÷¢þ and no more
+πωτατω
+QNumbers:
+1.000
+3.142
+test 5 done
diff --git a/qpdf/qtest/qpdf/misc-3.pdf b/qpdf/qtest/qpdf/misc-3.pdf
new file mode 100644
index 00000000..6b9aa3c7
--- /dev/null
+++ b/qpdf/qtest/qpdf/misc-3.pdf
@@ -0,0 +1,127 @@
+%PDF-1.3
+%¿÷¢þ
+%QDF-1.0
+
+1 0 obj
+<<
+  /Pages 2 0 R
+  /QNumbers [
+    1
+    3.14159
+  ]
+  /QStrings [
+    (No Special Characters)
+    (These: ¿÷¢þ and no more)
+    <feff03c003c903c403b103c403c9>
+  ]
+  /Type /Catalog
+>>
+endobj
+
+2 0 obj
+<<
+  /Count 1
+  /Kids [
+    3 0 R
+  ]
+  /Type /Pages
+>>
+endobj
+
+%% Page 1
+3 0 obj
+<<
+  /Contents [
+    4 0 R
+    6 0 R
+  ]
+  /MediaBox [
+    0
+    0
+    612
+    792
+  ]
+  /Parent 2 0 R
+  /Resources <<
+    /Font <<
+      /F1 8 0 R
+    >>
+    /ProcSet 9 0 R
+  >>
+  /Type /Page
+>>
+endobj
+
+%% Contents for page 1
+4 0 obj
+<<
+  /Length 5 0 R
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+44
+endobj
+
+%% Contents for page 1
+6 0 obj
+<<
+  /Length 7 0 R
+>>
+stream
+BT
+  /F1 24 Tf
+  72 696 Td
+  (Salad) Tj
+ET
+endstream
+endobj
+
+7 0 obj
+43
+endobj
+
+8 0 obj
+<<
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+  /Name /F1
+  /Subtype /Type1
+  /Type /Font
+>>
+endobj
+
+9 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+xref
+0 10
+0000000000 65535 f 
+0000000025 00000 n 
+0000000226 00000 n 
+0000000308 00000 n 
+0000000543 00000 n 
+0000000642 00000 n 
+0000000684 00000 n 
+0000000782 00000 n 
+0000000801 00000 n 
+0000000919 00000 n 
+trailer <<
+  /Root 1 0 R
+  /Size 10
+  /ID [<e017d8dc1fe53a81e40aa79bcb43fdec><76269ee0b6579446b731e060af8ef436>]
+>>
+startxref
+954
+%%EOF
diff --git a/qpdf/qtest/qpdf/multiple-mods.pdf b/qpdf/qtest/qpdf/multiple-mods.pdf
new file mode 100755
index 00000000..6370cd65
--- /dev/null
+++ b/qpdf/qtest/qpdf/multiple-mods.pdf
diff --git a/qpdf/qtest/qpdf/object-stream.1.check b/qpdf/qtest/qpdf/object-stream.1.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/object-stream.1.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/object-stream.10.check b/qpdf/qtest/qpdf/object-stream.10.check
new file mode 100644
index 00000000..0e0ed996
--- /dev/null
+++ b/qpdf/qtest/qpdf/object-stream.10.check
@@ -0,0 +1,5 @@
+checking a.pdf
+P = -4
+User password = 
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/object-stream.11.check b/qpdf/qtest/qpdf/object-stream.11.check
new file mode 100644
index 00000000..327d847a
--- /dev/null
+++ b/qpdf/qtest/qpdf/object-stream.11.check
@@ -0,0 +1,5 @@
+checking a.pdf
+P = -4
+User password = 
+File is linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/object-stream.12.check b/qpdf/qtest/qpdf/object-stream.12.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/object-stream.12.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/object-stream.2.check b/qpdf/qtest/qpdf/object-stream.2.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/object-stream.2.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/object-stream.3.check b/qpdf/qtest/qpdf/object-stream.3.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/object-stream.3.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/object-stream.4.check b/qpdf/qtest/qpdf/object-stream.4.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/object-stream.4.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/object-stream.5.check b/qpdf/qtest/qpdf/object-stream.5.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/object-stream.5.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/object-stream.6.check b/qpdf/qtest/qpdf/object-stream.6.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/object-stream.6.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/object-stream.7.check b/qpdf/qtest/qpdf/object-stream.7.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/object-stream.7.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/object-stream.8.check b/qpdf/qtest/qpdf/object-stream.8.check
new file mode 100644
index 00000000..7284dd2a
--- /dev/null
+++ b/qpdf/qtest/qpdf/object-stream.8.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is not linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/object-stream.9.check b/qpdf/qtest/qpdf/object-stream.9.check
new file mode 100644
index 00000000..37ea00cf
--- /dev/null
+++ b/qpdf/qtest/qpdf/object-stream.9.check
@@ -0,0 +1,4 @@
+checking a.pdf
+File is not encrypted
+File is linearized
+No errors found
diff --git a/qpdf/qtest/qpdf/object-stream.disable.exp b/qpdf/qtest/qpdf/object-stream.disable.exp
new file mode 100644
index 00000000..3b5e10fb
--- /dev/null
+++ b/qpdf/qtest/qpdf/object-stream.disable.exp
diff --git a/qpdf/qtest/qpdf/object-stream.generate.exp b/qpdf/qtest/qpdf/object-stream.generate.exp
new file mode 100644
index 00000000..3f86a173
--- /dev/null
+++ b/qpdf/qtest/qpdf/object-stream.generate.exp
diff --git a/qpdf/qtest/qpdf/object-stream.pdf b/qpdf/qtest/qpdf/object-stream.pdf
new file mode 100644
index 00000000..1a468202
--- /dev/null
+++ b/qpdf/qtest/qpdf/object-stream.pdf
diff --git a/qpdf/qtest/qpdf/object-stream.preserve.exp b/qpdf/qtest/qpdf/object-stream.preserve.exp
new file mode 100644
index 00000000..3f86a173
--- /dev/null
+++ b/qpdf/qtest/qpdf/object-stream.preserve.exp
diff --git a/qpdf/qtest/qpdf/old-and-complex.pdf b/qpdf/qtest/qpdf/old-and-complex.pdf
new file mode 100644
index 00000000..74b8c255
--- /dev/null
+++ b/qpdf/qtest/qpdf/old-and-complex.pdf
diff --git a/qpdf/qtest/qpdf/p1-a-p2-a.pdf b/qpdf/qtest/qpdf/p1-a-p2-a.pdf
new file mode 100644
index 00000000..b8256cba
--- /dev/null
+++ b/qpdf/qtest/qpdf/p1-a-p2-a.pdf
@@ -0,0 +1,138 @@
+%PDF-1.3
+%¿÷¢þ
+%QDF-1.0
+
+1 0 obj
+<<
+  /Pages 2 0 R
+  /Type /Catalog
+>>
+endobj
+
+2 0 obj
+<<
+  /Count 2
+  /Kids [
+    3 0 R
+    4 0 R
+  ]
+  /Type /Pages
+>>
+endobj
+
+%% Page 1
+3 0 obj
+<<
+  /Contents 5 0 R
+  /MediaBox [
+    0
+    0
+    612
+    792
+  ]
+  /Parent 2 0 R
+  /Resources <<
+    /Font <<
+      /F1 7 0 R
+    >>
+    /ProcSet 8 0 R
+  >>
+  /Type /Page
+>>
+endobj
+
+%% Page 2
+4 0 obj
+<<
+  /Contents 9 0 R
+  /MediaBox [
+    0
+    0
+    612
+    792
+  ]
+  /Parent 2 0 R
+  /Resources <<
+    /Font <<
+      /F1 7 0 R
+    >>
+    /ProcSet 8 0 R
+  >>
+  /Type /Page
+>>
+endobj
+
+%% Contents for page 1
+5 0 obj
+<<
+  /Length 6 0 R
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (A) Tj
+ET
+endstream
+endobj
+
+6 0 obj
+39
+endobj
+
+7 0 obj
+<<
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+  /Name /F1
+  /Subtype /Type1
+  /Type /Font
+>>
+endobj
+
+8 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+%% Contents for page 2
+9 0 obj
+<<
+  /Length 10 0 R
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (A) Tj
+ET
+endstream
+endobj
+
+10 0 obj
+39
+endobj
+
+xref
+0 11
+0000000000 65535 f 
+0000000025 00000 n 
+0000000079 00000 n 
+0000000171 00000 n 
+0000000373 00000 n 
+0000000588 00000 n 
+0000000682 00000 n 
+0000000701 00000 n 
+0000000819 00000 n 
+0000000877 00000 n 
+0000000972 00000 n 
+trailer <<
+  /Root 1 0 R
+  /Size 11
+  /ID [<36b07232d7657658c548006151d4c57c><6de1f48ca16def200b3b655a24fa1b48>]
+>>
+startxref
+992
+%%EOF
diff --git a/qpdf/qtest/qpdf/p1-a-p2-b.pdf b/qpdf/qtest/qpdf/p1-a-p2-b.pdf
new file mode 100644
index 00000000..4e05d88a
--- /dev/null
+++ b/qpdf/qtest/qpdf/p1-a-p2-b.pdf
@@ -0,0 +1,138 @@
+%PDF-1.3
+%¿÷¢þ
+%QDF-1.0
+
+1 0 obj
+<<
+  /Pages 2 0 R
+  /Type /Catalog
+>>
+endobj
+
+2 0 obj
+<<
+  /Count 2
+  /Kids [
+    3 0 R
+    4 0 R
+  ]
+  /Type /Pages
+>>
+endobj
+
+%% Page 1
+3 0 obj
+<<
+  /Contents 5 0 R
+  /MediaBox [
+    0
+    0
+    612
+    792
+  ]
+  /Parent 2 0 R
+  /Resources <<
+    /Font <<
+      /F1 7 0 R
+    >>
+    /ProcSet 8 0 R
+  >>
+  /Type /Page
+>>
+endobj
+
+%% Page 2
+4 0 obj
+<<
+  /Contents 9 0 R
+  /MediaBox [
+    0
+    0
+    612
+    792
+  ]
+  /Parent 2 0 R
+  /Resources <<
+    /Font <<
+      /F1 7 0 R
+    >>
+    /ProcSet 8 0 R
+  >>
+  /Type /Page
+>>
+endobj
+
+%% Contents for page 1
+5 0 obj
+<<
+  /Length 6 0 R
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (A) Tj
+ET
+endstream
+endobj
+
+6 0 obj
+39
+endobj
+
+7 0 obj
+<<
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+  /Name /F1
+  /Subtype /Type1
+  /Type /Font
+>>
+endobj
+
+8 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+%% Contents for page 2
+9 0 obj
+<<
+  /Length 10 0 R
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (B) Tj
+ET
+endstream
+endobj
+
+10 0 obj
+39
+endobj
+
+xref
+0 11
+0000000000 65535 f 
+0000000025 00000 n 
+0000000079 00000 n 
+0000000171 00000 n 
+0000000373 00000 n 
+0000000588 00000 n 
+0000000682 00000 n 
+0000000701 00000 n 
+0000000819 00000 n 
+0000000877 00000 n 
+0000000972 00000 n 
+trailer <<
+  /Root 1 0 R
+  /Size 11
+  /ID [<36b07232d7657658c548006151d4c57c><6de1f48ca16def200b3b655a24fa1b48>]
+>>
+startxref
+992
+%%EOF
diff --git a/qpdf/qtest/qpdf/p1-a.pdf b/qpdf/qtest/qpdf/p1-a.pdf
new file mode 100644
index 00000000..8cb349c5
--- /dev/null
+++ b/qpdf/qtest/qpdf/p1-a.pdf
@@ -0,0 +1,95 @@
+%PDF-1.3
+%¿÷¢þ
+%QDF-1.0
+
+1 0 obj
+<<
+  /Pages 2 0 R
+  /Type /Catalog
+>>
+endobj
+
+2 0 obj
+<<
+  /Count 1
+  /Kids [
+    3 0 R
+  ]
+  /Type /Pages
+>>
+endobj
+
+%% Page 1
+3 0 obj
+<<
+  /Contents 4 0 R
+  /MediaBox [
+    0
+    0
+    612
+    792
+  ]
+  /Parent 2 0 R
+  /Resources <<
+    /Font <<
+      /F1 6 0 R
+    >>
+    /ProcSet 7 0 R
+  >>
+  /Type /Page
+>>
+endobj
+
+%% Contents for page 1
+4 0 obj
+<<
+  /Length 5 0 R
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (A) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+39
+endobj
+
+6 0 obj
+<<
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+  /Name /F1
+  /Subtype /Type1
+  /Type /Font
+>>
+endobj
+
+7 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+xref
+0 8
+0000000000 65535 f 
+0000000025 00000 n 
+0000000079 00000 n 
+0000000161 00000 n 
+0000000376 00000 n 
+0000000470 00000 n 
+0000000489 00000 n 
+0000000607 00000 n 
+trailer <<
+  /Root 1 0 R
+  /Size 8
+  /ID [<36b07232d7657658c548006151d4c57c><36b07232d7657658c548006151d4c57c>]
+>>
+startxref
+642
+%%EOF
diff --git a/qpdf/qtest/qpdf/p1-b.pdf b/qpdf/qtest/qpdf/p1-b.pdf
new file mode 100644
index 00000000..833e8088
--- /dev/null
+++ b/qpdf/qtest/qpdf/p1-b.pdf
@@ -0,0 +1,95 @@
+%PDF-1.3
+%¿÷¢þ
+%QDF-1.0
+
+1 0 obj
+<<
+  /Pages 2 0 R
+  /Type /Catalog
+>>
+endobj
+
+2 0 obj
+<<
+  /Count 1
+  /Kids [
+    3 0 R
+  ]
+  /Type /Pages
+>>
+endobj
+
+%% Page 1
+3 0 obj
+<<
+  /Contents 4 0 R
+  /MediaBox [
+    0
+    0
+    612
+    792
+  ]
+  /Parent 2 0 R
+  /Resources <<
+    /Font <<
+      /F1 6 0 R
+    >>
+    /ProcSet 7 0 R
+  >>
+  /Type /Page
+>>
+endobj
+
+%% Contents for page 1
+4 0 obj
+<<
+  /Length 5 0 R
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (B) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+39
+endobj
+
+6 0 obj
+<<
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+  /Name /F1
+  /Subtype /Type1
+  /Type /Font
+>>
+endobj
+
+7 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+xref
+0 8
+0000000000 65535 f 
+0000000025 00000 n 
+0000000079 00000 n 
+0000000161 00000 n 
+0000000376 00000 n 
+0000000470 00000 n 
+0000000489 00000 n 
+0000000607 00000 n 
+trailer <<
+  /Root 1 0 R
+  /Size 8
+  /ID [<36b07232d7657658c548006151d4c57c><36b07232d7657658c548006151d4c57c>]
+>>
+startxref
+642
+%%EOF
diff --git a/qpdf/qtest/qpdf/show-page-1-content-filtered.out b/qpdf/qtest/qpdf/show-page-1-content-filtered.out
new file mode 100644
index 00000000..633a5c1f
--- /dev/null
+++ b/qpdf/qtest/qpdf/show-page-1-content-filtered.out
@@ -0,0 +1 @@
+q
222 0 0 240 28.5 96 cm
/Im1 Do
Q
q
185 0 0 200 313.5 296 cm
/Im2 Do
Q
\ No newline at end of file
diff --git a/qpdf/qtest/qpdf/show-page-1-content-normalized.out b/qpdf/qtest/qpdf/show-page-1-content-normalized.out
new file mode 100644
index 00000000..32c115c8
--- /dev/null
+++ b/qpdf/qtest/qpdf/show-page-1-content-normalized.out
@@ -0,0 +1,8 @@
+q
+222 0 0 240 28.5 96 cm
+/Im1 Do
+Q
+q
+185 0 0 200 313.5 296 cm
+/Im2 Do
+Q
diff --git a/qpdf/qtest/qpdf/show-page-1-content-raw.out b/qpdf/qtest/qpdf/show-page-1-content-raw.out
new file mode 100644
index 00000000..22440b51
--- /dev/null
+++ b/qpdf/qtest/qpdf/show-page-1-content-raw.out
diff --git a/qpdf/qtest/qpdf/show-page-1-image.out b/qpdf/qtest/qpdf/show-page-1-image.out
new file mode 100644
index 00000000..c2a3483f
--- /dev/null
+++ b/qpdf/qtest/qpdf/show-page-1-image.out
diff --git a/qpdf/qtest/qpdf/show-page-1.out b/qpdf/qtest/qpdf/show-page-1.out
new file mode 100644
index 00000000..f12237c4
--- /dev/null
+++ b/qpdf/qtest/qpdf/show-page-1.out
@@ -0,0 +1 @@
+<< /Contents 7 0 R /MediaBox [ 0 0 612 792 ] /Parent 4 0 R /Resources << /ProcSet [ /PDF /ImageC ] /XObject << /Im1 8 0 R /Im2 9 0 R >> >> /Type /Page >>
diff --git a/qpdf/qtest/qpdf/show-pages-images.out b/qpdf/qtest/qpdf/show-pages-images.out
new file mode 100644
index 00000000..6d54e9fd
--- /dev/null
+++ b/qpdf/qtest/qpdf/show-pages-images.out
@@ -0,0 +1,11 @@
+page 1: 5 0 R
+  images:
+    /Im1: 8 0 R, 555 x 600
+    /Im2: 9 0 R, 185 x 200
+  content:
+    7 0 R
+page 2: 6 0 R
+  images:
+    /Im2: 9 0 R, 185 x 200
+  content:
+    10 0 R
diff --git a/qpdf/qtest/qpdf/show-pages.out b/qpdf/qtest/qpdf/show-pages.out
new file mode 100644
index 00000000..01e0ea0a
--- /dev/null
+++ b/qpdf/qtest/qpdf/show-pages.out
@@ -0,0 +1,6 @@
+page 1: 5 0 R
+  content:
+    7 0 R
+page 2: 6 0 R
+  content:
+    10 0 R
diff --git a/qpdf/qtest/qpdf/show-unfilterable.out b/qpdf/qtest/qpdf/show-unfilterable.out
new file mode 100644
index 00000000..464ca2c3
--- /dev/null
+++ b/qpdf/qtest/qpdf/show-unfilterable.out
@@ -0,0 +1 @@
+Unable to filter stream data.
diff --git a/qpdf/qtest/qpdf/show-xref-by-id-filtered.out b/qpdf/qtest/qpdf/show-xref-by-id-filtered.out
new file mode 100644
index 00000000..3ecf4ed4
--- /dev/null
+++ b/qpdf/qtest/qpdf/show-xref-by-id-filtered.out
diff --git a/qpdf/qtest/qpdf/show-xref-by-id.out b/qpdf/qtest/qpdf/show-xref-by-id.out
new file mode 100644
index 00000000..62faf0ce
--- /dev/null
+++ b/qpdf/qtest/qpdf/show-xref-by-id.out
@@ -0,0 +1,2 @@
+Object is stream.  Dictionary:
+<< /DecodeParms << /Columns 4 /Predictor 12 >> /Encrypt 11 0 R /Filter /FlateDecode /ID [ (ª&\237þÂ\226±?>ø5ª¡:\n\b) (ím\023\021OµUt\bµ\026Ê9'\025\033) ] /Info 3 0 R /Length 52 /Root 1 0 R /Size 13 /Type /XRef /W [ 1 2 1 ] >>
diff --git a/qpdf/qtest/qpdf/show-xref.out b/qpdf/qtest/qpdf/show-xref.out
new file mode 100644
index 00000000..a0bb72d9
--- /dev/null
+++ b/qpdf/qtest/qpdf/show-xref.out
@@ -0,0 +1,12 @@
+1/0: uncompressed; offset = 15
+2/0: uncompressed; offset = 64
+3/0: compressed; stream = 2, index = 0
+4/0: compressed; stream = 2, index = 1
+5/0: compressed; stream = 2, index = 2
+6/0: compressed; stream = 2, index = 3
+7/0: uncompressed; offset = 390
+8/0: uncompressed; offset = 521
+9/0: uncompressed; offset = 39802
+10/0: uncompressed; offset = 49559
+11/0: uncompressed; offset = 49672
+12/0: uncompressed; offset = 49880
diff --git a/qpdf/qtest/qpdf/test4-1.pdf b/qpdf/qtest/qpdf/test4-1.pdf
new file mode 100644
index 00000000..9f4f980b
--- /dev/null
+++ b/qpdf/qtest/qpdf/test4-1.pdf
@@ -0,0 +1,126 @@
+%PDF-1.3
+%¿÷¢þ
+%QDF-1.0
+
+1 0 obj
+<<
+  /Pages 2 0 R
+  /Type /Catalog
+>>
+endobj
+
+2 0 obj
+<<
+  /Count 1
+  /Kids [
+    3 0 R
+  ]
+  /Type /Pages
+>>
+endobj
+
+%% Page 1
+3 0 obj
+<<
+  /Contents 4 0 R
+  /MediaBox [
+    0
+    0
+    612
+    792
+  ]
+  /Parent 2 0 R
+  /Resources <<
+    /Font <<
+      /F1 6 0 R
+    >>
+    /ProcSet 7 0 R
+  >>
+  /Type /Page
+>>
+endobj
+
+%% Contents for page 1
+4 0 obj
+<<
+  /Length 5 0 R
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+44
+endobj
+
+6 0 obj
+<<
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+  /Name /F1
+  /Subtype /Type1
+  /Type /Font
+>>
+endobj
+
+7 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+8 0 obj
+<<
+  /Title 9 0 R
+  /Subject 10 0 R
+  /A 11 0 R
+  /B 12 0 R
+>>
+endobj
+
+9 0 obj
+(Some Title Is Here)
+endobj
+
+10 0 obj
+(Subject)
+endobj
+
+11 0 obj
+[ 1 2 3 ]
+endobj
+
+12 0 obj
+<< /A 11 0 R /B (B) >>
+endobj
+
+xref
+0 13
+0000000000 65535 f 
+0000000025 00000 n 
+0000000079 00000 n 
+0000000161 00000 n 
+0000000376 00000 n 
+0000000475 00000 n 
+0000000494 00000 n 
+0000000612 00000 n 
+0000000647 00000 n 
+0000000726 00000 n 
+0000000763 00000 n 
+0000000790 00000 n 
+0000000817 00000 n 
+trailer <<
+  /Root 1 0 R
+  /Size 13
+  /QTest 8 0 R
+  /ID [<c61bd35bada064f61e0a56aa9588064e><c61bd35bada064f61e0a56aa9588064e>]
+>>
+startxref
+857
+%%EOF
diff --git a/qpdf/qtest/qpdf/test4-1.qdf b/qpdf/qtest/qpdf/test4-1.qdf
new file mode 100644
index 00000000..98f93d0f
--- /dev/null
+++ b/qpdf/qtest/qpdf/test4-1.qdf
@@ -0,0 +1,145 @@
+%PDF-1.3
+%¿÷¢þ
+%QDF-1.0
+
+1 0 obj
+<<
+  /Pages 4 0 R
+  /Type /Catalog
+>>
+endobj
+
+2 0 obj
+<<
+  /A [
+    1
+    5
+    3
+  ]
+  /Author (Mr. Potato Head)
+  /B <<
+    /A [
+      1
+      2
+      3
+    ]
+    /B (B)
+  >>
+  /Title (Some Title Is Here)
+>>
+endobj
+
+3 0 obj
+<<
+  /A 5 0 R
+  /B 6 0 R
+  /Subject (Subject)
+  /Title (Some Title Is Here)
+>>
+endobj
+
+4 0 obj
+<<
+  /Count 1
+  /Kids [
+    7 0 R
+  ]
+  /Type /Pages
+>>
+endobj
+
+5 0 obj
+[
+  1
+  2
+  3
+]
+endobj
+
+6 0 obj
+<<
+  /A 5 0 R
+  /B (B)
+>>
+endobj
+
+%% Page 1
+7 0 obj
+<<
+  /Contents 8 0 R
+  /MediaBox [
+    0
+    0
+    612
+    792
+  ]
+  /Parent 4 0 R
+  /Resources <<
+    /Font <<
+      /F1 10 0 R
+    >>
+    /ProcSet 11 0 R
+  >>
+  /Type /Page
+>>
+endobj
+
+%% Contents for page 1
+8 0 obj
+<<
+  /Length 9 0 R
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+9 0 obj
+44
+endobj
+
+10 0 obj
+<<
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+  /Name /F1
+  /Subtype /Type1
+  /Type /Font
+>>
+endobj
+
+11 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+xref
+0 12
+0000000000 65535 f 
+0000000025 00000 n 
+0000000079 00000 n 
+0000000251 00000 n 
+0000000346 00000 n 
+0000000418 00000 n 
+0000000450 00000 n 
+0000000502 00000 n 
+0000000719 00000 n 
+0000000818 00000 n 
+0000000837 00000 n 
+0000000956 00000 n 
+trailer <<
+  /Info 2 0 R
+  /QTest 3 0 R
+  /Root 1 0 R
+  /Size 12
+  /ID [<c61bd35bada064f61e0a56aa9588064e><31415926535897932384626433832795>]
+>>
+startxref
+992
+%%EOF
diff --git a/qpdf/qtest/qpdf/test4-2.out b/qpdf/qtest/qpdf/test4-2.out
new file mode 100644
index 00000000..e5e51762
--- /dev/null
+++ b/qpdf/qtest/qpdf/test4-2.out
@@ -0,0 +1 @@
+attempt to make a stream into a direct object
diff --git a/qpdf/qtest/qpdf/test4-2.pdf b/qpdf/qtest/qpdf/test4-2.pdf
new file mode 100644
index 00000000..0acf592c
--- /dev/null
+++ b/qpdf/qtest/qpdf/test4-2.pdf
@@ -0,0 +1,104 @@
+%PDF-1.3
+%¿÷¢þ
+%QDF-1.0
+
+1 0 obj
+<<
+  /Pages 2 0 R
+  /Type /Catalog
+>>
+endobj
+
+2 0 obj
+<<
+  /Count 1
+  /Kids [
+    3 0 R
+  ]
+  /Type /Pages
+>>
+endobj
+
+%% Page 1
+3 0 obj
+<<
+  /Contents 4 0 R
+  /MediaBox [
+    0
+    0
+    612
+    792
+  ]
+  /Parent 2 0 R
+  /Resources <<
+    /Font <<
+      /F1 6 0 R
+    >>
+    /ProcSet 7 0 R
+  >>
+  /Type /Page
+>>
+endobj
+
+%% Contents for page 1
+4 0 obj
+<<
+  /Length 5 0 R
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+44
+endobj
+
+6 0 obj
+<<
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+  /Name /F1
+  /Subtype /Type1
+  /Type /Font
+>>
+endobj
+
+7 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+8 0 obj
+<<
+  % stream
+  /A 4 0 R
+>>
+endobj
+
+xref
+0 9
+0000000000 65535 f 
+0000000025 00000 n 
+0000000079 00000 n 
+0000000161 00000 n 
+0000000376 00000 n 
+0000000475 00000 n 
+0000000494 00000 n 
+0000000612 00000 n 
+0000000647 00000 n 
+trailer <<
+  /Root 1 0 R
+  /Size 9
+  /QTest 8 0 R
+  /ID [<c61bd35bada064f61e0a56aa9588064e><c61bd35bada064f61e0a56aa9588064e>]
+>>
+startxref
+691
+%%EOF
diff --git a/qpdf/qtest/qpdf/test4-3.out b/qpdf/qtest/qpdf/test4-3.out
new file mode 100644
index 00000000..b0deab16
--- /dev/null
+++ b/qpdf/qtest/qpdf/test4-3.out
@@ -0,0 +1 @@
+loop detected while converting object from indirect to direct
diff --git a/qpdf/qtest/qpdf/test4-3.pdf b/qpdf/qtest/qpdf/test4-3.pdf
new file mode 100644
index 00000000..6e212619
--- /dev/null
+++ b/qpdf/qtest/qpdf/test4-3.pdf
@@ -0,0 +1,109 @@
+%PDF-1.3
+%¿÷¢þ
+%QDF-1.0
+
+1 0 obj
+<<
+  /Pages 2 0 R
+  /Type /Catalog
+>>
+endobj
+
+2 0 obj
+<<
+  /Count 1
+  /Kids [
+    3 0 R
+  ]
+  /Type /Pages
+>>
+endobj
+
+%% Page 1
+3 0 obj
+<<
+  /Contents 4 0 R
+  /MediaBox [
+    0
+    0
+    612
+    792
+  ]
+  /Parent 2 0 R
+  /Resources <<
+    /Font <<
+      /F1 6 0 R
+    >>
+    /ProcSet 7 0 R
+  >>
+  /Type /Page
+>>
+endobj
+
+%% Contents for page 1
+4 0 obj
+<<
+  /Length 5 0 R
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+5 0 obj
+44
+endobj
+
+6 0 obj
+<<
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+  /Name /F1
+  /Subtype /Type1
+  /Type /Font
+>>
+endobj
+
+7 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+8 0 obj
+<<
+  % loop
+  /A [ 1 2  9 0 R  ]
+>>
+endobj
+
+9 0 obj
+[ 4 5  8 0 R ]
+endobj
+
+xref
+0 10
+0000000000 65535 f 
+0000000025 00000 n 
+0000000079 00000 n 
+0000000161 00000 n 
+0000000376 00000 n 
+0000000475 00000 n 
+0000000494 00000 n 
+0000000612 00000 n 
+0000000647 00000 n 
+0000000699 00000 n 
+trailer <<
+  /Root 1 0 R
+  /Size 10
+  /QTest 8 0 R
+  /ID [<c61bd35bada064f61e0a56aa9588064e><c61bd35bada064f61e0a56aa9588064e>]
+>>
+startxref
+730
+%%EOF
diff --git a/qpdf/qtest/qpdf/test4-4.pdf b/qpdf/qtest/qpdf/test4-4.pdf
new file mode 100644
index 00000000..e0856e3b
--- /dev/null
+++ b/qpdf/qtest/qpdf/test4-4.pdf
@@ -0,0 +1,123 @@
+%PDF-1.3
+%¿÷¢þ
+%QDF-1.0
+
+1 0 obj
+<<
+  /Pages 3 0 R
+  /Type /Catalog
+>>
+endobj
+
+2 0 obj
+<<
+  /A 4 0 R
+  /B 5 0 R
+  /Subject (Subject)
+  /Title (Some Title Is Here)
+>>
+endobj
+
+3 0 obj
+<<
+  /Count 1
+  /Kids [
+    6 0 R
+  ]
+  /Type /Pages
+>>
+endobj
+
+4 0 obj
+[
+  1
+  2
+  3
+]
+endobj
+
+5 0 obj
+<<
+  /A 4 0 R
+  /B (B)
+>>
+endobj
+
+%% Page 1
+6 0 obj
+<<
+  /Contents 7 0 R
+  /MediaBox [
+    0
+    0
+    612
+    792
+  ]
+  /Parent 3 0 R
+  /Resources <<
+    /Font <<
+      /F1 9 0 R
+    >>
+    /ProcSet 10 0 R
+  >>
+  /Type /Page
+>>
+endobj
+
+%% Contents for page 1
+7 0 obj
+<<
+  /Length 8 0 R
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+8 0 obj
+44
+endobj
+
+9 0 obj
+<<
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+  /Name /F1
+  /Subtype /Type1
+  /Type /Font
+>>
+endobj
+
+10 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+xref
+0 11
+0000000000 65535 f 
+0000000025 00000 n 
+0000000079 00000 n 
+0000000174 00000 n 
+0000000246 00000 n 
+0000000278 00000 n 
+0000000330 00000 n 
+0000000546 00000 n 
+0000000645 00000 n 
+0000000664 00000 n 
+0000000782 00000 n 
+trailer <<
+  /QTest 2 0 R
+  /Root 1 0 R
+  /Size 11
+  /ID [<c61bd35bada064f61e0a56aa9588064e><c893e7330be149468080ad6518819868>]
+>>
+startxref
+818
+%%EOF
diff --git a/qpdf/qtest/qpdf/test4-4.qdf b/qpdf/qtest/qpdf/test4-4.qdf
new file mode 100644
index 00000000..98f93d0f
--- /dev/null
+++ b/qpdf/qtest/qpdf/test4-4.qdf
@@ -0,0 +1,145 @@
+%PDF-1.3
+%¿÷¢þ
+%QDF-1.0
+
+1 0 obj
+<<
+  /Pages 4 0 R
+  /Type /Catalog
+>>
+endobj
+
+2 0 obj
+<<
+  /A [
+    1
+    5
+    3
+  ]
+  /Author (Mr. Potato Head)
+  /B <<
+    /A [
+      1
+      2
+      3
+    ]
+    /B (B)
+  >>
+  /Title (Some Title Is Here)
+>>
+endobj
+
+3 0 obj
+<<
+  /A 5 0 R
+  /B 6 0 R
+  /Subject (Subject)
+  /Title (Some Title Is Here)
+>>
+endobj
+
+4 0 obj
+<<
+  /Count 1
+  /Kids [
+    7 0 R
+  ]
+  /Type /Pages
+>>
+endobj
+
+5 0 obj
+[
+  1
+  2
+  3
+]
+endobj
+
+6 0 obj
+<<
+  /A 5 0 R
+  /B (B)
+>>
+endobj
+
+%% Page 1
+7 0 obj
+<<
+  /Contents 8 0 R
+  /MediaBox [
+    0
+    0
+    612
+    792
+  ]
+  /Parent 4 0 R
+  /Resources <<
+    /Font <<
+      /F1 10 0 R
+    >>
+    /ProcSet 11 0 R
+  >>
+  /Type /Page
+>>
+endobj
+
+%% Contents for page 1
+8 0 obj
+<<
+  /Length 9 0 R
+>>
+stream
+BT
+  /F1 24 Tf
+  72 720 Td
+  (Potato) Tj
+ET
+endstream
+endobj
+
+9 0 obj
+44
+endobj
+
+10 0 obj
+<<
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+  /Name /F1
+  /Subtype /Type1
+  /Type /Font
+>>
+endobj
+
+11 0 obj
+[
+  /PDF
+  /Text
+]
+endobj
+
+xref
+0 12
+0000000000 65535 f 
+0000000025 00000 n 
+0000000079 00000 n 
+0000000251 00000 n 
+0000000346 00000 n 
+0000000418 00000 n 
+0000000450 00000 n 
+0000000502 00000 n 
+0000000719 00000 n 
+0000000818 00000 n 
+0000000837 00000 n 
+0000000956 00000 n 
+trailer <<
+  /Info 2 0 R
+  /QTest 3 0 R
+  /Root 1 0 R
+  /Size 12
+  /ID [<c61bd35bada064f61e0a56aa9588064e><31415926535897932384626433832795>]
+>>
+startxref
+992
+%%EOF
diff --git a/qpdf/test_driver.cc b/qpdf/test_driver.cc
new file mode 100644
index 00000000..7333cc69
--- /dev/null
+++ b/qpdf/test_driver.cc
@@ -0,0 +1,323 @@
+// This program tests miscellaneous functionality in the qpdf library
+// that we don't want to pollute the qpdf program with.
+
+#include <qpdf/QPDF.hh>
+
+#include <qpdf/QUtil.hh>
+#include <qpdf/QTC.hh>
+#include <qpdf/Pl_StdioFile.hh>
+#include <qpdf/QPDFWriter.hh>
+#include <iostream>
+#include <string.h>
+#include <map>
+
+static char const* whoami = 0;
+
+void usage()
+{
+    std::cerr << "Usage: " << whoami << " n filename" << std::endl;
+    exit(2);
+}
+
+void runtest(int n, char const* filename)
+{
+    QPDF pdf;
+    if (n == 0)
+    {
+	pdf.setAttemptRecovery(false);
+    }
+    pdf.processFile(filename);
+
+    if ((n == 0) || (n == 1))
+    {
+	QPDFObjectHandle trailer = pdf.getTrailer();
+	QPDFObjectHandle qtest = trailer.getKey("/QTest");
+
+	if (! trailer.hasKey("/QTest"))
+	{
+	    // This will always happen when /QTest is null because
+	    // hasKey returns false for null keys regardless of
+	    // whether the key exists or not.  That way there's never
+	    // any difference between a key that is present and null
+	    // and a key that is absent.
+	    QTC::TC("qpdf", "main QTest implicit");
+	    std::cout << "/QTest is implicit" << std::endl;
+	}
+
+	QTC::TC("qpdf", "main QTest indirect",
+		qtest.isIndirect() ? 1 : 0);
+	std::cout << "/QTest is "
+		  << (qtest.isIndirect() ? "in" : "")
+		  << "direct" << std::endl;
+
+	if (qtest.isNull())
+	{
+	    QTC::TC("qpdf", "main QTest null");
+	    std::cout << "/QTest is null" << std::endl;
+	}
+	else if (qtest.isBool())
+	{
+	    QTC::TC("qpdf", "main QTest bool",
+		    qtest.getBoolValue() ? 1 : 0);
+	    std::cout << "/QTest is Boolean with value "
+		      << (qtest.getBoolValue() ? "true" : "false")
+		      << std::endl;
+	}
+	else if (qtest.isInteger())
+	{
+	    QTC::TC("qpdf", "main QTest int");
+	    std::cout << "/QTest is an integer with value "
+		      << qtest.getIntValue() << std::endl;
+	}
+	else if (qtest.isReal())
+	{
+	    QTC::TC("qpdf", "main QTest real");
+	    std::cout << "/QTest is a real number with value "
+		      << qtest.getRealValue() << std::endl;
+	}
+	else if (qtest.isName())
+	{
+	    QTC::TC("qpdf", "main QTest name");
+	    std::cout << "/QTest is a name with value "
+		      << qtest.getName() << std::endl;
+	}
+	else if (qtest.isString())
+	{
+	    QTC::TC("qpdf", "main QTest string");
+	    std::cout << "/QTest is a string with value "
+		      << qtest.getStringValue() << std::endl;
+	}
+	else if (qtest.isArray())
+	{
+	    QTC::TC("qpdf", "main QTest array");
+	    int n = qtest.getArrayNItems();
+	    std::cout << "/QTest is an array with "
+		      << n << " items" << std::endl;
+	    for (int i = 0; i < n; ++i)
+	    {
+		QTC::TC("qpdf", "main QTest array indirect",
+			qtest.getArrayItem(i).isIndirect() ? 1 : 0);
+		std::cout << "  item " << i << " is "
+			  << (qtest.getArrayItem(i).isIndirect() ? "in" : "")
+			  << "direct" << std::endl;
+	    }
+	}
+	else if (qtest.isDictionary())
+	{
+	    QTC::TC("qpdf", "main QTest dictionary");
+	    std::cout << "/QTest is a dictionary" << std::endl;
+	    std::set<std::string> keys = qtest.getKeys();
+	    for (std::set<std::string>::iterator iter = keys.begin();
+		 iter != keys.end(); ++iter)
+	    {
+		QTC::TC("qpdf", "main QTest dictionary indirect",
+			(qtest.getKey(*iter).isIndirect() ? 1 : 0));
+		std::cout << "  " << *iter << " is "
+			  << (qtest.getKey(*iter).isIndirect() ? "in" : "")
+			  << "direct" << std::endl;
+	    }
+	}
+	else if (qtest.isStream())
+	{
+	    QTC::TC("qpdf", "main QTest stream");
+	    std::cout << "/QTest is a stream.  Dictionary: "
+		      << qtest.getDict().unparse() << std::endl;
+
+	    std::cout << "Raw stream data:" << std::endl;
+	    std::cout.flush();
+	    PointerHolder<Pl_StdioFile> out = new Pl_StdioFile("raw", stdout);
+	    qtest.pipeStreamData(out.getPointer(), false, false, false);
+
+	    std::cout << std::endl << "Uncompressed stream data:" << std::endl;
+	    if (qtest.pipeStreamData(0, true, false, false))
+	    {
+		std::cout.flush();
+		out = new Pl_StdioFile("filtered", stdout);
+		qtest.pipeStreamData(out.getPointer(), true, false, false);
+		std::cout << std::endl << "End of stream data" << std::endl;
+	    }
+	    else
+	    {
+		std::cout << "Stream data is not filterable." << std::endl;
+	    }
+	}
+	else
+	{
+	    // Should not happen!
+	    std::cout << "/QTest is an unknown object" << std::endl;
+	}
+
+	std::cout << "unparse: " << qtest.unparse() << std::endl
+		  << "unparseResolved: " << qtest.unparseResolved()
+		  << std::endl;
+    }
+    else if (n == 2)
+    {
+	// Encrypted file.  This test case is designed for a specific
+	// PDF file.
+
+	QPDFObjectHandle trailer = pdf.getTrailer();
+	std::cout << trailer.getKey("/Info").
+	    getKey("/CreationDate").getStringValue() << std::endl;
+	std::cout << trailer.getKey("/Info").
+	    getKey("/Producer").getStringValue() << std::endl;
+
+	QPDFObjectHandle encrypt = trailer.getKey("/Encrypt");
+	std::cout << encrypt.getKey("/O").unparse() << std::endl;
+	std::cout << encrypt.getKey("/U").unparse() << std::endl;
+
+	QPDFObjectHandle root = pdf.getRoot();
+	QPDFObjectHandle pages = root.getKey("/Pages");
+	QPDFObjectHandle kids = pages.getKey("/Kids");
+	QPDFObjectHandle page = kids.getArrayItem(1); // second page
+	QPDFObjectHandle contents = page.getKey("/Contents");
+	PointerHolder<Pl_StdioFile> out = new Pl_StdioFile("filtered", stdout);
+	contents.pipeStreamData(out.getPointer(), true, false, false);
+    }
+    else if (n == 3)
+    {
+	QPDFObjectHandle streams = pdf.getTrailer().getKey("/QStreams");
+	for (int i = 0; i < streams.getArrayNItems(); ++i)
+	{
+	    QPDFObjectHandle stream = streams.getArrayItem(i);
+	    std::cout << "-- stream " << i << " --" << std::endl;
+	    std::cout.flush();
+	    PointerHolder<Pl_StdioFile> out =
+		new Pl_StdioFile("tokenized stream", stdout);
+	    stream.pipeStreamData(out.getPointer(), true, true, false);
+	}
+    }
+    else if (n == 4)
+    {
+	// Mutability testing: Make /QTest direct recursively, then
+	// copy to /Info.  Also make some other mutations so we can
+	// tell the difference and ensure that the original /QTest
+	// isn't effected.
+	QPDFObjectHandle trailer = pdf.getTrailer();
+	QPDFObjectHandle qtest = trailer.getKey("/QTest");
+	qtest.makeDirect();
+	qtest.removeKey("/Subject");
+	qtest.replaceKey("/Author",
+			 QPDFObjectHandle::newString("Mr. Potato Head"));
+	// qtest.A and qtest.B.A were originally the same object.
+	// They no longer are after makeDirect().  Mutate one of them
+	// and ensure the other is not changed.
+	qtest.getKey("/A").setArrayItem(1, QPDFObjectHandle::newInteger(5));
+	trailer.replaceKey("/Info", pdf.makeIndirectObject(qtest));
+	QPDFWriter w(pdf, 0);
+	w.setQDFMode(true);
+	w.setStaticID(true);
+	w.write();
+
+	// Prevent "done" message from getting appended
+	exit(0);
+    }
+    else if (n == 5)
+    {
+	std::vector<QPDFObjectHandle> pages = pdf.getAllPages();
+	int pageno = 0;
+	for (std::vector<QPDFObjectHandle>::iterator iter = pages.begin();
+	     iter != pages.end(); ++iter)
+	{
+	    QPDFObjectHandle& page = *iter;
+	    ++pageno;
+
+	    std::cout << "page " << pageno << ":" << std::endl;
+
+	    std::cout << "  images:" << std::endl;
+	    std::map<std::string, QPDFObjectHandle> images =
+		page.getPageImages();
+	    for (std::map<std::string, QPDFObjectHandle>::iterator iter =
+		     images.begin(); iter != images.end(); ++iter)
+	    {
+		std::string const& name = (*iter).first;
+		QPDFObjectHandle image = (*iter).second;
+		QPDFObjectHandle dict = image.getDict();
+		int width = dict.getKey("/Width").getIntValue();
+		int height = dict.getKey("/Height").getIntValue();
+		std::cout << "    " << name
+			  << ": " << width << " x " << height
+			  << std::endl;
+	    }
+
+	    std::cout << "  content:" << std::endl;
+	    std::vector<QPDFObjectHandle> content = page.getPageContents();
+	    for (std::vector<QPDFObjectHandle>::iterator iter = content.begin();
+		 iter != content.end(); ++iter)
+	    {
+		std::cout << "    " << (*iter).unparse() << std::endl;
+	    }
+
+	    std::cout << "end page " << pageno << std::endl;
+	}
+
+	QPDFObjectHandle root = pdf.getRoot();
+	QPDFObjectHandle qstrings = root.getKey("/QStrings");
+	if (qstrings.isArray())
+	{
+	    std::cout << "QStrings:" << std::endl;
+	    int n = qstrings.getArrayNItems();
+	    for (int i = 0; i < n; ++i)
+	    {
+		std::cout << qstrings.getArrayItem(i).getUTF8Value()
+			  << std::endl;
+	    }
+	}
+
+	QPDFObjectHandle qnumbers = root.getKey("/QNumbers");
+	if (qnumbers.isArray())
+	{
+	    std::cout << "QNumbers:" << std::endl;
+	    int n = qnumbers.getArrayNItems();
+	    for (int i = 0; i < n; ++i)
+	    {
+		std::cout << QUtil::double_to_string(
+		    qnumbers.getArrayItem(i).getNumericValue(), 3)
+			  << std::endl;
+	    }
+	}
+    }
+    else
+    {
+	throw QEXC::General(std::string("invalid test ") +
+			    QUtil::int_to_string(n));
+    }
+
+    std::cout << "test " << n << " done" << std::endl;
+}
+
+int main(int argc, char* argv[])
+{
+    if ((whoami = strrchr(argv[0], '/')) == NULL)
+    {
+	whoami = argv[0];
+    }
+    else
+    {
+	++whoami;
+    }
+    // For libtool's sake....
+    if (strncmp(whoami, "lt-", 3) == 0)
+    {
+	whoami += 3;
+    }
+
+    if (argc != 3)
+    {
+	usage();
+    }
+
+    try
+    {
+	int n = atoi(argv[1]);
+	char const* filename = argv[2];
+	runtest(n, filename);
+    }
+    catch (std::exception& e)
+    {
+	std::cerr << e.what() << std::endl;
+	exit(2);
+    }
+
+    return 0;
+}
diff --git a/qtest/QTC/perl/QTC.pm b/qtest/QTC/perl/QTC.pm
new file mode 100644
index 00000000..2f78b3a6
--- /dev/null
+++ b/qtest/QTC/perl/QTC.pm
@@ -0,0 +1,26 @@
+# -*- perl -*-
+
+require 5.005;
+use strict;
+use FileHandle;
+
+package QTC;
+
+sub TC
+{
+    my ($scope, $case, $n) = @_;
+    local $!;
+    $n = 0 unless defined $n;
+    return unless ($scope eq ($ENV{'TC_SCOPE'} || ""));
+    my $filename = $ENV{'TC_FILENAME'} || return;
+    my $fh = new FileHandle(">>$filename") or
+	die "open test coverage file: $!\n";
+    print $fh "$case $n\n";
+    $fh->close();
+}
+
+1;
+
+#
+# END OF QTC
+#
diff --git a/qtest/README.txt b/qtest/README.txt
new file mode 100644
index 00000000..a4e21b04
--- /dev/null
+++ b/qtest/README.txt
@@ -0,0 +1,3 @@
+This is a copy of qtest (http://qtest.qbilt.org) which is distributed
+under the terms of the Artistic license and has the same author as
+qpdf.
diff --git a/qtest/bin/qtest-driver b/qtest/bin/qtest-driver
new file mode 100755
index 00000000..9ca1ec44
--- /dev/null
+++ b/qtest/bin/qtest-driver
@@ -0,0 +1,798 @@
+#!/usr/bin/env perl
+#
+# This file is part of qtest.
+#
+# Copyright 1993-2007, Jay Berkenbilt
+#
+# QTest is distributed under the terms of version 2.0 of the Artistic
+# license which may be found in the source distribution.
+#
+require 5.008;
+BEGIN { $^W = 1; }
+use strict;
+use IO::Handle;
+use IO::File;
+use IO::Socket;
+use Cwd 'abs_path';
+use Cwd;
+use Config;
+use File::Copy;
+use File::Basename;
+use File::Spec;
+
+my $whoami = basename($0);
+my $dirname = dirname(abs_path($0));
+my $cwd = getcwd();
+my $top = dirname($dirname);
+my $module_dir = "$top/module";
+my $qtc_dir = "$top/QTC/perl";
+
+unshift(@INC, $module_dir, $qtc_dir);
+require QTC;
+require TestDriver;
+
+if ((@ARGV == 1) && ($ARGV[0] eq '--version'))
+{
+    print "$whoami version 1.1\n";
+    exit 0;
+}
+if ((@ARGV == 1) && ($ARGV[0] eq '--print-path'))
+{
+    print $top, "\n";
+    exit 0;
+}
+
+my @bindirs = ();
+my $datadir = undef;
+my $covdir = '.';
+my $stdout_tty = (-t STDOUT) ? "1" : "0";
+
+while (@ARGV)
+{
+    my $arg = shift(@ARGV);
+    if ($arg eq '-bindirs')
+    {
+	usage() unless @ARGV;
+	push(@bindirs, split(':', shift(@ARGV)));
+    }
+    elsif ($arg eq '-datadir')
+    {
+	usage() unless @ARGV;
+	$datadir = shift(@ARGV);
+    }
+    elsif ($arg eq '-covdir')
+    {
+	usage() unless @ARGV;
+	$covdir = shift(@ARGV);
+    }
+    elsif ($arg =~ m/^-stdout-tty=([01])$/)
+    {
+	$stdout_tty = $1;
+    }
+    else
+    {
+	usage();
+    }
+}
+usage() unless defined($datadir);
+if (@bindirs)
+{
+    my @path = ();
+    foreach my $d (@bindirs)
+    {
+	my $abs = abs_path($d) or
+	    fatal("can't canonicalize path to bindir $d: $!");
+	push(@path, $abs);
+    }
+    my $path = join(':', @path) . ':' . $ENV{'PATH'};
+    # Delete and explicitly recreate the PATH environment variable.
+    # This seems to be more reliable.  If we just reassign, in some
+    # cases, the modified environment is not inherited by the child
+    # process.  (This happens when qtest-driver is invoked from ant
+    # running from gjc-compat.  I have no idea how or why.)
+    delete $ENV{'PATH'};
+    $ENV{'PATH'} = $path;
+}
+
+if ($stdout_tty)
+{
+    TestDriver::get_tty_features();
+}
+
+my $pid = undef;
+my $pid_cleanup = new TestDriver::PidKiller(\$pid);
+
+# $in_testsuite is whether the test driver itself is being run from a
+# test suite!  Check before we set the environment variable.
+my $in_testsuite = $ENV{'IN_TESTSUITE'} || 0;
+
+$ENV{'IN_TESTSUITE'} = 1;
+
+# Temporary path is intended to be easy to locate so its contents can
+# be inspected by impatient test suite runners.  It is not intended to
+# be a "secure" (unpredictable) path.
+my $tempdir = File::Spec->tmpdir() . "/testtemp.$$";
+
+my $file_cleanup = new TestDriver::TmpFileDeleter([$tempdir]);
+
+$| = 1;
+$SIG{'PIPE'} = 'IGNORE';
+$SIG{'INT'} = $SIG{'HUP'} = $SIG{'TERM'} = $SIG{'QUIT'} = sub { exit 2 };
+
+TestDriver::rmrf($tempdir);
+fatal("removal of $tempdir failed") if -e "$tempdir";
+
+mkdir($tempdir, 0777) || die "mkdir $tempdir: $!\n";
+$tempdir = abs_path($tempdir) or
+    fatal("can't canonicalize path to $tempdir: $!");
+
+my $errors = 0;
+
+my $tc_input = undef;
+my $tc_scope = undef;
+my @testcov = (<$covdir/*.testcov>);
+if (@testcov > 1)
+{
+    fatal("more than one testcov file exists");
+}
+elsif (@testcov)
+{
+    &QTC::TC("testdriver", "coverage directory",
+	     ($covdir eq '.' ? 1 : 0));
+    $tc_input = $testcov[0];
+    $tc_input =~ s,^\./,,;
+    $tc_scope = basename($tc_input);
+    $tc_scope =~ s/\.testcov$// or
+	fatal("can't get scope from testcov filename");
+}
+
+my $testlogfile = 'qtest.log';
+my $testxmlfile = 'qtest-results.xml';
+unlink $testlogfile;
+unlink $testxmlfile;
+
+my $totmissing = 0;
+my $totextra = 0;
+my $tottests = 0;
+my $totpasses = 0;
+my $totfails = 0;
+my $totxpasses = 0;
+my $totxfails = 0;
+
+my $now = ($in_testsuite ? '---timestamp---' : localtime(time));
+my $msg = "STARTING TESTS on $now";
+print "\n";
+print_and_log(('*' x length($msg)) . "\n$msg\n" .
+	      ('*' x length($msg)) . "\n\n");
+
+my $tc_log = undef;
+my $tc_winlog = undef;
+my %tc_cases = ();
+my %tc_ignored_scopes = ();
+parse_tc_file();
+tc_do_initial_checks();
+
+my $tests_to_run;
+defined($tests_to_run = $ENV{"TESTS"}) or $tests_to_run = "";
+my @tests = ();
+if ($tests_to_run ne "")
+{
+    @tests = split(/\s+/, $tests_to_run);
+    for (@tests)
+    {
+	&QTC::TC("testdriver", "driver tests specified");
+	$_ = "$datadir/$_.test";
+    }
+}
+else
+{
+    &QTC::TC("testdriver", "driver tests not specified");
+    @tests = <$datadir/*.test>;
+}
+
+print_xml("<?xml version=\"1.0\"?>\n" .
+	  "<qtest-results version=\"1\" timestamp=\"$now\"");
+if (defined $tc_log)
+{
+    print_xml(" coverage-scope=\"$tc_scope\"");
+}
+print_xml(">\n");
+foreach my $test (@tests)
+{
+    print_and_log("\nRunning $test\n");
+    print_xml(" <testsuite file=\"$test\">\n");
+    my @results = run_test($test);
+    if (scalar(@results) != 5)
+    {
+	error("test driver $test returned invalid results");
+    }
+    else
+    {
+	my ($ntests, $passes, $fails, $xpasses, $xfails) = @results;
+	my $actual = $passes + $fails + $xpasses + $xfails;
+	my $extra = 0;
+	my $missing = 0;
+	if ($actual > $ntests)
+	{
+	    &QTC::TC("testdriver", "driver extra tests");
+	    my $n = ($actual - $ntests);
+	    print_and_log(sprintf("\n*** WARNING: saw $n extra test%s\n\n",
+				  ($n == 1 ? "" : "s")));
+	    $extra = $n;
+	}
+	elsif ($actual < $ntests)
+	{
+	    &QTC::TC("testdriver", "driver missing tests");
+	    my $n = ($ntests - $actual);
+	    print_and_log(sprintf("\n*** WARNING: missing $n test%s\n\n",
+				  ($n == 1 ? "" : "s")));
+	    $missing = $n;
+	}
+
+	$totmissing += $missing;
+	$totextra += $extra;
+	$totpasses += $passes;
+	$totfails += $fails;
+	$totxpasses += $xpasses;
+	$totxfails += $xfails;
+	$tottests += ($passes + $fails + $xpasses + $xfails);
+
+	my $passed = (($extra == 0) && ($missing == 0) &&
+		      ($fails == 0) && ($xpasses == 0));
+
+	print_xml("  <testsummary\n" .
+		  "   overall-outcome=\"" .($passed ? 'pass' : 'fail') . "\"\n".
+		  "   total-cases=\"$actual\"\n" .
+		  "   passes=\"$passes\"\n" .
+		  "   failures=\"$fails\"\n" .
+		  "   unexpected-passes=\"$xpasses\"\n" .
+		  "   expected-failures=\"$xfails\"\n" .
+		  "   missing-cases=\"$missing\"\n" .
+		  "   extra-cases=\"$extra\"\n");
+	print_xml("  />\n");
+    }
+    print_xml(" </testsuite>\n");
+}
+
+my $coverage_okay = 1;
+tc_do_final_checks();
+
+my $okay = ((($totpasses + $totxfails) == $tottests) &&
+	    ($errors == 0) && ($totmissing == 0) && ($totextra == 0) &&
+	    ($coverage_okay));
+
+print "\n";
+print_and_pad("Overall test suite");
+if ($okay)
+{
+    &QTC::TC("testdriver", "driver overall pass");
+    print_results(pass(), pass());
+}
+else
+{
+    &QTC::TC("testdriver", "driver overall fail");
+    print_results(fail(), pass());
+    print "\nFailure summary may be found in $testlogfile\n";
+}
+
+my $summary = "\nTESTS COMPLETE.  Summary:\n\n";
+$summary .=
+    sprintf("Total tests: %d\n" .
+	    "Passes: %d\n" .
+	    "Failures: %d\n" .
+	    "Unexpected Passes: %d\n" .
+	    "Expected Failures: %d\n" .
+	    "Missing Tests: %d\n" .
+	    "Extra Tests: %d\n",
+	    $tottests, $totpasses, $totfails, $totxpasses, $totxfails,
+	    $totmissing, $totextra);
+
+print_and_log($summary);
+print "\n";
+
+print_xml(" <testsummary\n" .
+	  "  overall-outcome=\"" . ($okay ? 'pass' : 'fail') . "\"\n" .
+	  "  total-cases=\"$tottests\"\n" .
+	  "  passes=\"$totpasses\"\n" .
+	  "  failures=\"$totfails\"\n" .
+	  "  unexpected-passes=\"$totxpasses\"\n" .
+	  "  expected-failures=\"$totxfails\"\n" .
+	  "  missing-cases=\"$totmissing\"\n" .
+	  "  extra-cases=\"$totextra\"\n");
+if (defined $tc_log)
+{
+    print_xml("  coverage-outcome=\"" .
+	      ($coverage_okay ? 'pass' : 'fail') . "\"\n");
+}
+print_xml(" />\n" .
+	  "</qtest-results>\n");
+
+exit ($okay ? 0 : 2);
+
+sub run_test
+{
+    my $prog = shift;
+    my @results = ();
+
+    # Open a socket for communication with subsidiary test drivers.
+    # Exchange some handshaking information over this socket.  When
+    # the subsidiary test suite exits, it reports its results over the
+    # socket.
+
+    my $use_socketpair = (defined $Config{d_sockpair});
+    if ($Config{'osname'} eq 'cygwin')
+    {
+	$use_socketpair = 0;
+    }
+
+    my $listensock;
+    my $for_parent;
+    my $for_child;
+
+    my @comm_args = ();
+
+    if ($use_socketpair)
+    {
+	socketpair($for_child, $for_parent, AF_UNIX, SOCK_STREAM, PF_UNSPEC)
+	    or fatal("socketpair: $!");
+	my $fd = fileno($for_child);
+	close($for_child);
+	close($for_parent);
+	local $^F = $fd; # prevent control fd from being closed on exec
+	socketpair($for_child, $for_parent, AF_UNIX, SOCK_STREAM, PF_UNSPEC)
+	    or fatal("socketpair: $!");
+	if (fileno($for_child) != $fd)
+	{
+	    fatal("FOR_CHILD socket has wrong file descriptor number: got " .
+		  fileno($for_child) . "; wanted $fd");
+	}
+	$for_parent->autoflush(1);
+	$for_child->autoflush(1);
+	binmode $for_parent;
+	binmode $for_child;
+	@comm_args = ('-fd', $fd);
+    }
+    else
+    {
+	$listensock = IO::Socket::INET->new(
+	    Listen => 1, Proto => 'tcp', LocalPort => 0) or
+	    fatal("listen: $!");
+	my ($s_port, $s_addr) = unpack_sockaddr_in($listensock->sockname());
+	@comm_args = ('-port', $s_port);
+    }
+
+    my $pid = fork;
+    fatal("fork failed: $!") unless defined $pid;
+    if ($pid == 0)
+    {
+	if ($use_socketpair)
+	{
+	    close($for_parent);
+	}
+	chdir($datadir) or fatal("chdir $datadir failed: $!");
+
+	if (defined $tc_log)
+	{
+	    # Set these environment variables in the child process so
+	    # that we can actually use the coverage system
+	    # successfully to test the test driver itself.
+	    $ENV{'TC_SCOPE'} = $tc_scope;
+	    $ENV{'TC_FILENAME'} = $tc_log;
+	    if (defined $tc_winlog)
+	    {
+		$ENV{'TC_WIN_FILENAME'} = $tc_winlog;
+	    }
+	}
+
+	# Clear this environment variable so that nested test suites
+	# don't inherit the value from this test suite.  Note that as
+	# of perl 5.8.7 in cygwin, deleting an environment variable
+	# doesn't work.
+	$ENV{'TESTS'} = "";
+
+	exec +('perl', '-I', $module_dir, '-I', $qtc_dir,
+	       basename($prog),
+	       @comm_args,
+	       '-origdir', $cwd,
+	       '-tempdir', $tempdir,
+	       '-testlog', "$cwd/$testlogfile",
+	       '-testxml', "$cwd/$testxmlfile",
+	       "-stdout-tty=$stdout_tty") or
+		   fatal("exec $prog failed: $!");
+    }
+    if ($use_socketpair)
+    {
+	close($for_child);
+    }
+    else
+    {
+	$for_parent = $listensock->accept() or die $!;
+	$for_parent->autoflush();
+	$listensock->close();
+    }
+
+    eval
+    {
+	# Either CHLD or PIPE here indicates premature exiting of
+	# subsidiary process which will be detected by either a
+	# protocol error or a timeout on the select below.
+	local $SIG{'CHLD'} = local $SIG{'PIPE'} = 'IGNORE';
+	print $for_parent "TEST_DRIVER 1\n"
+	    or die "--child--\n";
+	my $rin = '';
+	vec($rin, fileno($for_parent), 1) = 1;
+	my $nfound = select($rin, '', '', 5);
+	if ($nfound == 0)
+	{
+	    fatal("timed out waiting for input on $for_parent");
+	}
+	# Setting to DEFAULT should be unnecessary because of "local"
+	# above, but there seems to be a race condition that this
+	# helps to correct.
+	$SIG{'CHLD'} = $SIG{'PIPE'} = 'DEFAULT';
+    };
+    if ($@)
+    {
+	if ($@ =~ m/--child--/)
+	{
+	    error("subsidiary test driver exited");
+	}
+	else
+	{
+	    die $@;
+	}
+    }
+    else
+    {
+	my $line = <$for_parent>;
+	if (! ((defined $line) && ($line =~ m/^TEST_DRIVER_CLIENT 1$/)))
+	{
+	    error("invalid protocol with subdiary test driver");
+	    kill 1, $pid;
+	}
+	waitpid $pid, 0;
+	my $results = <$for_parent>;
+	close($for_parent);
+	if (! ((defined $results) && ($results =~ m/^\d+(?: \d+){4}$/)))
+	{
+	    &QTC::TC("testdriver", "driver test returned invalid results");
+	    error("invalid results from subsidiary test driver");
+	}
+	else
+	{
+	    @results = split(/ /, $results);
+	}
+    }
+    @results;
+}
+
+sub parse_tc_file
+{
+    return unless defined $tc_input;
+
+    my $tc = new IO::File("<$tc_input") or fatal("can't read $tc_input: $!");
+    while (<$tc>)
+    {
+	s/\r?\n$//s;
+	next if m/^\#/;
+	next if m/^\s*$/;
+	if (m/^ignored-scope: (\S+)$/)
+	{
+	    $tc_ignored_scopes{$1} = 1;
+	}
+	elsif (m/^\s*?(\S.+?)\s+(\d+)$/)
+	{
+	    my ($case, $n) = ($1, $2);
+	    if (exists $tc_cases{$case})
+	    {
+		&QTC::TC("testdriver", "driver duplicate coverage case");
+		error("$tc_input:$.: duplicate case");
+	    }
+	    $tc_cases{$case} = $n;
+	}
+	else
+	{
+	    error("$tc_input:$.: invalid syntax");
+	}
+    }
+    $tc->close();
+}
+
+sub tc_do_initial_checks
+{
+    return unless defined $tc_input;
+
+    if (! exists $ENV{'TC_SRCS'})
+    {
+	fatal("TC_SRCS must be set");
+    }
+
+    my @tc_srcs = (grep { m/\S/ } (split(/\s+/, $ENV{'TC_SRCS'})));
+
+    my %seen_cases = ();
+    foreach my $src (@tc_srcs)
+    {
+	my $s = new IO::File("<$src") or die "$whoami: open $src: $!\n";
+	binmode $s;
+	while (<$s>)
+	{
+	    # Look for coverage calls in the source subject to certain
+	    # lexical constraints
+	    my ($lscope, $case);
+	    if (m/^\s*\&?QTC(?:::|\.)TC\(\"([^\"]+)\",\s*\"([^\"]+)\"/)
+	    {
+		# C++, Java, Perl, etc.
+		($lscope, $case) = ($1, $2);
+	    }
+	    elsif (m/^[^\#]*\$\(call QTC.TC,([^,]+),([^,\)]+)/)
+	    {
+		# make
+		($lscope, $case) = ($1, $2);
+	    }
+	    if ((defined $lscope) && (defined $case))
+	    {
+		if ($lscope eq $tc_scope)
+		{
+		    push(@{$seen_cases{$case}}, [$src, $.]);
+		}
+		elsif (exists $tc_ignored_scopes{$lscope})
+		{
+		    &QTC::TC("testdriver", "driver ignored scope");
+		}
+		else
+		{
+		    &QTC::TC("testdriver", "driver out-of-scope case");
+		    error("$src:$.: out-of-scope coverage case");
+		}
+	    }
+	}
+	$s->close();
+    }
+
+    my %wanted_cases = %tc_cases;
+    foreach my $case (sort keys %seen_cases)
+    {
+	my $wanted = 1;
+	my $whybad = undef;
+	if (exists $wanted_cases{$case})
+	{
+	    delete $wanted_cases{$case};
+	}
+	else
+	{
+	    &QTC::TC("testdriver", "driver unregistered coverage case");
+	    $wanted = 0;
+	    $whybad = "unregistered";
+	}
+	if (scalar(@{$seen_cases{$case}}) > $wanted)
+	{
+	    $whybad = $whybad || "duplicate";
+	    foreach my $d (@{$seen_cases{$case}})
+	    {
+		my ($file, $lineno) = @$d;
+		&QTC::TC("testdriver", "driver coverage error in src",
+			 ($whybad eq 'unregistered' ? 0 :
+			  $whybad eq 'duplicate' ? 1 :
+			  9999));
+		error("$file:$lineno: $whybad coverage case \"$case\"");
+	    }
+	}
+    }
+    foreach my $case (sort keys %wanted_cases)
+    {
+	&QTC::TC("testdriver", "driver unseen coverage case");
+	error("$whoami: coverage case \"$case\" was not seen");
+    }
+
+    fatal("errors detected; exiting") if $errors;
+
+    $tc_log = "$cwd/$tc_scope.cov_out";
+    if ($^O eq 'cygwin')
+    {
+	chop(my $f = `cygpath --windows $tc_log`);
+	$tc_winlog = $f;
+    }
+    unlink $tc_log;
+    print_and_log("Test coverage active in scope $tc_scope\n");
+}
+
+sub tc_do_final_checks
+{
+    return unless (defined $tc_log);
+
+    my %seen_cases = ();
+    my $tc = new IO::File("<$tc_log");
+    if ($tc)
+    {
+	binmode $tc;
+	while (<$tc>)
+	{
+	    s/\r?\n$//s;
+	    next if m/^\#/;
+	    next if m/^\s*$/;
+	    if (m/^(.+) (\d+)$/)
+	    {
+		$seen_cases{$1}{$2} = 1;
+	    }
+	}
+	$tc->close();
+    }
+
+    my $testlog = open_log();
+
+    $testlog->print("\nTest coverage results:\n");
+
+    my @problems = ();
+    foreach my $c (sort keys %tc_cases)
+    {
+	my ($case, $n) = ($c, $tc_cases{$c});
+	for (my $i = 0; $i <= $n; ++$i)
+	{
+	    if (exists $seen_cases{$c}{$i})
+	    {
+		delete $seen_cases{$c}{$i};
+	    }
+	    else
+	    {
+		&QTC::TC("testdriver", "driver missing coverage case");
+		push(@problems, "missing: $c $i");
+	    }
+	}
+    }
+    foreach my $c (sort keys %seen_cases)
+    {
+	foreach my $n (sort { $a <=> $b } (keys %{$seen_cases{$c}}))
+	{
+	    &QTC::TC("testdriver", "driver extra coverage case");
+	    push(@problems, "extra: $c $n");
+	}
+    }
+
+    if (@problems)
+    {
+	my $testxml = open_xml();
+	$testxml->print(" <coverage-errors count=\"" .
+			scalar(@problems) . "\">\n");
+	foreach my $p (@problems)
+	{
+	    $testlog->print("$p\n");
+	    $testxml->print("  <coverage-error case=\"$p\"/>\n");
+	}
+	$testxml->print(" </coverage-errors>\n");
+	$testxml->close();
+	$testlog->print("coverage errors: " . scalar(@problems) . "\n");
+    }
+    my $passed = (@problems == 0);
+    $testlog->print("\nCoverage analysis: ", ($passed ? 'PASSED' : 'FAILED'),
+		    "\n");
+    $testlog->close();
+
+    print "\n";
+    print_and_pad("Coverage analysis");
+    if ($passed)
+    {
+	print_results(pass(), pass());
+	my $passlog = $tc_log;
+	$passlog =~ s/(\.[^\.]+)$/-passed$1/;
+	copy($tc_log, $passlog);
+    }
+    else
+    {
+	$coverage_okay = 0;
+	print_results(fail(), pass());
+    }
+}
+
+sub open_binary
+{
+    my $file = shift;
+    my $fh = new IO::File(">>$file") or fatal("can't open $file: $!");
+    binmode $fh;
+    $fh;
+}
+
+sub open_log
+{
+    open_binary($testlogfile);
+}
+
+sub open_xml
+{
+    open_binary($testxmlfile);
+}
+
+sub print_and_log
+{
+    my $fh = open_log();
+    print @_;
+    print $fh @_;
+    $fh->close();
+}
+
+sub print_xml
+{
+    my $fh = open_xml();
+    print $fh @_;
+    $fh->close();
+}
+
+sub print_and_pad
+{
+    TestDriver::print_and_pad(@_);
+}
+
+sub print_results
+{
+    TestDriver::print_results(@_);
+}
+
+sub pass
+{
+    TestDriver->PASS;
+}
+
+sub fail
+{
+    TestDriver->FAIL;
+}
+
+sub error
+{
+    my $msg = shift;
+    warn $msg, "\n";
+    ++$errors;
+}
+
+sub fatal
+{
+    my $msg = shift;
+    warn "$whoami: $msg\n";
+    exit 2;
+}
+
+sub usage
+{
+    warn "
+Usage: $whoami --print-path
+
+Prints full path to ${whoami}'s installation directory and exits.
+
+ - OR -
+
+Usage: $whoami options
+
+Options include:
+
+  -datadir datadir
+  -bindirs bindir[:bindir...]
+  [ -covdir [coverage-dir] ]
+  [ -stdout-tty=[01] ]
+
+Subsidiary test programs are run with the -bindirs argument (a
+colon-separated list of directories, which may be relative but will be
+internally converted to absolute) prepended to the path and with the
+-datadir argument set as the current working directory.
+
+By default, this program runs datadir/*.test as subsidiary test
+suites.  If the TESTS environment variable is set, it is taken to be a
+space-separated list of test suite names.  For each name n,
+datadir/n.test is run.
+
+Test coverage support is built in.  If a file whose name matches
+*.testcov in the coverage directory (which defaults to \".\") that is
+a valid test coverage file, the full path to the file into which test
+coverage results are written will be placed in the TC_FILENAME
+environment variable.  (If running under cygwin, the Windows path will
+be in TC_WIN_FILENAME.)  The test coverage scope, which is equal to
+the part of the testcov file name excluding the extension, is placed
+in the TC_SCOPE environment variable.
+
+If the -stdout-tty option is passed, its value overrides ${whoami}'s
+determination of whether standard output is a terminal.  This can be
+useful for cases in which another program is invoking ${whoami} and
+passing its output through a pipe to a terminal.
+
+";
+    exit 2;
+
+}
diff --git a/qtest/module/TestDriver.pm b/qtest/module/TestDriver.pm
new file mode 100644
index 00000000..6e1fa313
--- /dev/null
+++ b/qtest/module/TestDriver.pm
@@ -0,0 +1,1566 @@
+# -*- perl -*-
+#
+# This file is part of qtest.
+#
+# Copyright 1993-2007, Jay Berkenbilt
+#
+# QTest is distributed under the terms of version 2.0 of the Artistic
+# license which may be found in the source distribution.
+#
+
+# Search for "PUBLIC METHODS" to find the public methods and
+# documentation on how to use them.
+
+require 5.008;
+use strict;
+
+package TestDriver::PidKiller;
+
+use vars qw($f_pid);
+$f_pid = 'pid';
+
+sub new
+{
+    my $class = shift;
+    my $rep = +{+__PACKAGE__ => {} };
+    $rep->{+__PACKAGE__}{$f_pid} = shift;
+    bless $rep, $class;
+}
+
+sub DESTROY
+{
+    my $rep = shift;
+    my $pid = $rep->{+__PACKAGE__}{$f_pid};
+    defined($$pid) && $$pid && kill 15, $$pid;
+}
+
+package TestDriver::TmpFileDeleter;
+
+use vars qw($f_files);
+$f_files = 'files';
+
+sub new
+{
+    my $class = shift;
+    my $rep = +{+__PACKAGE__ => {} };
+    $rep->{+__PACKAGE__}{$f_files} = shift;
+    bless $rep, $class;
+}
+
+sub DESTROY
+{
+    local $?;
+    my $rep = shift;
+    my $files = ($rep->{+__PACKAGE__}{$f_files});
+    map { TestDriver::rmrf($_) } @$files;
+}
+
+package TestDriver;
+
+use IO::Handle;
+use IO::File;
+use IO::Socket;
+use IO::Select;
+use POSIX ':sys_wait_h';
+use File::Copy;
+use File::Find;
+use Carp;
+use Cwd;
+require QTC;
+
+# Constants
+
+# Possible test case outcomes
+use constant PASS => 'PASS';
+use constant FAIL => 'FAIL';
+
+# Input/Output keys
+use constant STRING => 'STRING';
+use constant FILE => 'FILE';
+use constant COMMAND => 'COMMAND';
+use constant FILTER => 'FILTER';
+use constant REGEXP => 'REGEXP';
+use constant EXIT_STATUS => 'EXIT_STATUS';
+use constant THREAD_DATA => 'THREAD_DATA';
+use constant TD_THREADS => 'TD_THREADS';
+use constant TD_SEQGROUPS => 'TD_SEQGROUPS';
+
+# Flags
+use constant NORMALIZE_NEWLINES =>   1 << 0;
+use constant NORMALIZE_WHITESPACE => 1 << 1;
+use constant EXPECT_FAILURE =>       1 << 2;
+
+# Field names
+use vars qw($f_socket $f_origdir $f_tempdir $f_testlog $f_testxml $f_suitename);
+$f_socket = 'socket';
+$f_origdir = 'origdir';
+$f_tempdir = 'tempdir';
+$f_testlog = 'testlog';
+$f_testxml = 'testxml';
+$f_suitename = 'suitename';
+
+use vars qw($f_passes $f_fails $f_xpasses $f_xfails $f_testnum);
+$f_passes = 'passes';		# expected passes
+$f_fails = 'fails';		# unexpected failures
+$f_xpasses = 'xpasses';		# unexpected passes
+$f_xfails = 'xfails';		# expected failures
+$f_testnum = 'testnum';
+
+# Static Variables
+
+# QTEST_MARGIN sets the number of spaces to after PASSED or FAILED and
+# before the rightmost column of the screen.
+my $margin = $ENV{'QTEST_MARGIN'} || 8;
+$margin += $ENV{'QTEST_EXTRA_MARGIN'} || 0;
+
+my $ncols = 80;
+
+my $color_reset = "";
+my $color_green = "";
+my $color_yellow = "";
+my $color_red = "";
+my $color_magenta = "";
+my $color_emph = "";
+
+sub get_tty_features
+{
+    my $got_size = 0;
+    eval
+    {
+	require Term::ReadKey;
+	($ncols, undef, undef, undef) = Term::ReadKey::GetTerminalSize();
+	$got_size = 1;
+    };
+    if (! $got_size)
+    {
+	eval
+	{
+	    # Get screen columns if possible
+	    no strict;
+	    local $^W = 0;
+	    local *X;
+	    require 'sys/ioctl.ph';
+	    if ((defined &TIOCGWINSZ) && open(X, "+</dev/tty"))
+	    {
+		my $winsize = "";
+		if (ioctl(X, &TIOCGWINSZ, $winsize))
+		{
+		    (undef, $ncols) = unpack('S4', $winsize);
+		    $got_size = 1;
+		}
+		close(X);
+	    }
+	};
+    }
+    eval
+    {
+	require Term::ANSIColor;
+	$color_reset = Term::ANSIColor::RESET();
+	$color_green = Term::ANSIColor::GREEN();
+	$color_yellow = Term::ANSIColor::YELLOW();
+	$color_red = Term::ANSIColor::RED();
+	$color_magenta = Term::ANSIColor::MAGENTA();
+	$color_emph = Term::ANSIColor::color('bold blue on_black');
+    };
+}
+
+# Static Methods
+
+sub print_and_pad
+{
+    my $str = shift;
+    my $spaces = $ncols - 10 - length($str) - $margin;
+    $spaces = 0 if $spaces < 0;
+    print $str . (' ' x $spaces) . ' ... ';
+}
+
+sub print_results
+{
+    my ($outcome, $exp_outcome) = @_;
+
+    my $color = "";
+    my $outcome_text;
+    if ($outcome eq $exp_outcome)
+    {
+	if ($outcome eq PASS)
+	{
+	    &QTC::TC("testdriver", "TestDriver expected pass");
+	    $color = $color_green;
+	    $outcome_text = "PASSED";
+	}
+	else
+	{
+	    &QTC::TC("testdriver", "TestDriver expected fail");
+	    $color = $color_yellow;
+	    # " (exp)" is fewer characters than the default margin
+	    # which keeps this from wrapping lines with default
+	    # settings.
+	    $outcome_text = "FAILED (exp)";
+	}
+    }
+    else
+    {
+	if ($outcome eq PASS)
+	{
+	    &QTC::TC("testdriver", "TestDriver unexpected pass");
+	    $color = $color_magenta;
+	    $outcome_text = "PASSED-UNEXP";
+	}
+	else
+	{
+	    &QTC::TC("testdriver", "TestDriver unexpected fail");
+	    $color = $color_red;
+	    $outcome_text = "FAILED";
+	}
+    }
+
+    print $color, $outcome_text, $color_reset, "\n";
+    $outcome_text;
+}
+
+# Normal Methods
+
+sub new
+{
+    my $class = shift;
+    my $rep = +{+__PACKAGE__ => {} };
+
+    if (@_ != 1)
+    {
+	croak "Usage: ", __PACKAGE__, "->new(\"test-suite name\")\n";
+    }
+    my $suitename = shift;
+
+    if (! ((@ARGV == 11) &&
+	   (($ARGV[0] eq '-fd') || ($ARGV[0] eq '-port')) &&
+	   ($ARGV[2] eq '-origdir') &&
+	   ($ARGV[4] eq '-tempdir') &&
+	   ($ARGV[6] eq '-testlog') &&
+	   ($ARGV[8] eq '-testxml') &&
+	   ($ARGV[10] =~ m/^-stdout-tty=([01])$/) &&
+	   (-d $ARGV[5])))
+    {
+	die +__PACKAGE__, ": improper invocation of test driver $0\n";
+    }
+    my $fd = ($ARGV[0] eq '-fd') ? $ARGV[1] : undef;
+    my $port = ($ARGV[0] eq '-port') ? $ARGV[1] : undef;
+    my $origdir = $ARGV[3];
+    my $tempdir = $ARGV[5];
+    my $testlogfile = $ARGV[7];
+    my $testxmlfile = $ARGV[9];
+    my $testlog = new IO::File(">>$testlogfile");
+    binmode $testlog;
+    my $testxml = new IO::File(">>$testxmlfile");
+    binmode $testxml;
+    $ARGV[10] =~ m/=([01])/ or die +__PACKAGE__, ": INTERNAL ERROR in ARGV[10]";
+    my $stdout_is_tty = $1;
+    if ($stdout_is_tty)
+    {
+	get_tty_features();
+    }
+
+    my $socket;
+    if (defined $fd)
+    {
+	$socket = new IO::Handle;
+	if (! $socket->fdopen($fd, "w+"))
+	{
+	    warn +__PACKAGE__, ": unable to open file descriptor $fd.\n";
+	    warn +__PACKAGE__, " must be created from a program invoked by" .
+		" the test driver system\n";
+	    die +__PACKAGE__, ": initialization failed";
+	}
+    }
+    else
+    {
+	$socket = IO::Socket::INET->new(
+	    PeerAddr => '127.0.0.1', PeerPort => $port) or
+	    die "unable to connect to port $port: $!\n";
+    }
+    $socket->autoflush();
+    binmode $socket;
+
+    # Do some setup that would ordinarily be reserved for a main
+    # program.  We want test suites to behave in a certain way so tha
+    # the overall system works as desired.
+
+    # Killing the driver should cause to to exit.  Without this, it
+    # may cause whatever subsidiary program is being run to exit and
+    # the driver to continue to the next test case.
+    $SIG{'INT'} = $SIG{'HUP'} = $SIG{'TERM'} = $SIG{'QUIT'} = sub { exit 2 };
+
+    # Unbuffer our output.
+    $| = 1;
+
+    $rep->{+__PACKAGE__}{$f_socket} = $socket;
+    $rep->{+__PACKAGE__}{$f_origdir} = $origdir;
+    $rep->{+__PACKAGE__}{$f_tempdir} = $tempdir;
+    $rep->{+__PACKAGE__}{$f_testlog} = $testlog;
+    $rep->{+__PACKAGE__}{$f_testxml} = $testxml;
+    $rep->{+__PACKAGE__}{$f_suitename} = $suitename;
+    $rep->{+__PACKAGE__}{$f_passes} = 0;
+    $rep->{+__PACKAGE__}{$f_fails} = 0;
+    $rep->{+__PACKAGE__}{$f_xpasses} = 0;
+    $rep->{+__PACKAGE__}{$f_xfails} = 0;
+    $rep->{+__PACKAGE__}{$f_testnum} = 1;
+
+    # Do protocol handshaking with the test driver system
+    my $init = scalar(<$socket>);
+    if ($init !~ m/^TEST_DRIVER 1$/)
+    {
+	die +__PACKAGE__, ": incorrect protocol with test driver system\n";
+    }
+    $socket->print("TEST_DRIVER_CLIENT 1\n");
+
+    bless $rep, $class;
+}
+
+sub _socket
+{
+    my $rep = shift;
+    $rep->{+__PACKAGE__}{$f_socket};
+}
+
+sub _tempdir
+{
+    my $rep = shift;
+    $rep->{+__PACKAGE__}{$f_tempdir};
+}
+
+sub _testlog
+{
+    my $rep = shift;
+    $rep->{+__PACKAGE__}{$f_testlog};
+}
+
+sub _testxml
+{
+    my $rep = shift;
+    $rep->{+__PACKAGE__}{$f_testxml};
+}
+
+sub _suitename
+{
+    my $rep = shift;
+    $rep->{+__PACKAGE__}{$f_suitename};
+}
+
+sub _testnum
+{
+    my $rep = shift;
+    $rep->{+__PACKAGE__}{$f_testnum} = $_[0] if @_;
+    $rep->{+__PACKAGE__}{$f_testnum};
+}
+
+# PUBLIC METHODS
+
+# Usage: report(n)
+# Specify the number of tests that are expected to have been run.
+# Please note: the purpose of reporting the number of test cases with
+# "report" is as an extra check to make sure that the test suite
+# itself didn't have a logic error that caused some test cases to be
+# skipped.  The argument to "report" should therefore be a hard-coded
+# number or a number computed only from static features in the test
+# suite.  It should not be a number that is counted up during the
+# process of running the test suite.  Computing this number as a side
+# effect of running test cases would defeat the purpose of the number.
+# For example, if the test suite consists of an array of test cases,
+# and the test suite code iterates through that loop and calls
+# "runtest" twice for each element, it would be reasonable to pass an
+# expression that includes the size of the array as an argument to
+# "report", but it would not be appropriate to have a variable called
+# "$ntests" that is incremented each time "runtest" is called and then
+# passed to "report".
+sub report
+{
+    my $rep = shift;
+    croak "Usage: ", __PACKAGE__, "->report(num-tests-expected)\n"
+	unless @_ && $_[0] =~ m/^\d+$/;
+
+    # Message to test driver system:
+    # n-expected-tests passes fails unexpected-passes expected-fails
+
+    my @vals = (shift);
+    push(@vals, map { $rep->{+__PACKAGE__}{$_} } ($f_passes, $f_fails,
+						  $f_xpasses, $f_xfails));
+    my $socket = $rep->_socket();
+    $socket->print(join(' ', @vals)), "\n";
+}
+
+# Usage: notify(string)
+# Prints the string followed by a newline to standard output of the
+# test suite.
+sub notify
+{
+    my $rep = shift;
+    my $msg = shift;
+    &QTC::TC("testdriver", "TestDriver notify");
+    print $msg, "\n";
+}
+
+# Usage: emphasize(string)
+# Prints the string followed by a newline to standard output of the
+# test suite.  The string is printed with emphasis if the terminal
+# supports color.
+sub emphasize
+{
+    my $rep = shift;
+    my $msg = shift;
+    &QTC::TC("testdriver", "TestDriver emphasize");
+    print $color_emph, $msg, $color_reset, "\n";
+}
+
+# Usage: prompt(msg, env, default)
+# If the environment variable "env" is set, its value is returned.
+# Otherwise, if STDIN is a tty, the user is prompted for an answer
+# using msg as the prompt, or if STDIN is not a tty, the value
+# specified in "default" is returned.  Note that careless use of
+# prompt in test suites may make the test suites unable to be run in
+# batch mode.
+sub prompt
+{
+    my $rep = shift;
+    my ($msg, $env, $default) = @_;
+    &QTC::TC("testdriver", "TestDriver prompt");
+    my $answer = $ENV{$env};
+    if (defined $answer)
+    {
+	print "$msg\n";
+	print "[Question answered from environment variable \$$env: $answer]\n";
+    }
+    else
+    {
+	print "To avoid question, place answer in" .
+	    " environment variable \$$env\n";
+	if (-t STDIN)
+	{
+	    print "$msg ";
+	    chop($answer = <STDIN>);
+	    if ($answer eq '')
+	    {
+		print "[Using default answer for question: $default]\n";
+		$answer = $default;
+	    }
+	}
+	else
+	{
+	    print "$msg\n";
+	    print "[Using default answer for question: $default]\n";
+	    $answer = $default;
+	}
+    }
+    $answer;
+}
+
+# Usage: get_start_dir()
+# Returns the name of the directory from which the test driver was
+# originally invoked.  This can be useful for test suites that are
+# designed to be run from read-only areas or from multiple locations
+# simultaneously: they can get the original invocation directory and
+# use it as a place to write temporary files.
+sub get_start_dir
+{
+    my $rep = shift;
+    $rep->{+__PACKAGE__}{$f_origdir};
+}
+
+# Usage: runtest description input output [ flags ]
+# Returns true iff test passes; i.e., input matches output
+
+# Parameters:
+
+#   description: a short textual description of the test case
+
+#   input: a hash reference that defines the input to the test case
+#   input keys and associated values:
+
+#      STRING: a string that is used verbatim as the test input
+
+#      FILE: a file whose contents are used as the test input
+
+#      COMMAND: an array reference containing a command and arguments
+#      or a string representing the command.  This is passed to exec,
+#      so the rules that exec uses to determine whether to pass this
+#      to a shell are followed.  The command is run with STDIN set to
+#      /dev/null, STDOUT redirected to an internal file, and STDERR
+#      copied to STDOUT.
+
+#      Note that exactly one of STRING, FILE, or COMMAND must appear.
+
+#      FILTER: if specified, it is a program that is run on the test
+#      input specified above to generate the true test input.
+
+#   output: a hash reference that defines the expected output of the
+#   test case
+
+#      STRING: a string that contains the expected test output
+
+#      FILE: a file that contains the expected test output
+
+#      REGEXP: a regular expression that must match the test output
+
+#      Note that exactly one of STRING, FILE, or REGEXP must appear.
+
+#      EXIT_STATUS: the exit status of the command.  Required iff the
+#      intput is specified by COMMAND.  A value of undef means that we
+#      don't care about the exit status of a command.  An integer
+#      value is the ordinary exit status of a command.  A string of
+#      the form SIG:n indicates that the program has exited with
+#      signal n.
+
+#      THREAD_DATA: If specified, the test output is expected to
+#      contain multithreaded output with output lines marked by thread
+#      and sequence group identifiers.  The value must be a hash that
+#      contains required key TD_THREADS and optional key TD_SEQGROUPS.
+#      The value of each key is an array reference containing a list
+#      of threads or sequence groups as appropriate.  When THREAD_DATA
+#      is specified, the single call to runtest actually generates t +
+#      s + 3 tests where "t" is the number of threads and "s" is the
+#      number of sequence groups specified.  See the documentation for
+#      full details on how multithreaded output is handled by the test
+#      driver.
+
+#   flags: additional flags to control the test case; should be
+#   logically orred together (e.g. NORMALIZE_WHITESPACE | EXPECT_FAILURE)
+
+#      NORMALIZE_NEWLINES: If specified, all newlines or carriage
+#      return/newline combinations in the input are translated to
+#      straight UNIX-style newlines.  This is done before writing
+#      through any filter.  Newlines are also normalized in the
+#      expected output.
+
+#      NORMALIZE_WHITESPACE: If specified, all carriage returns are
+#      removed, and all strings of one or more space or tab characters
+#      are replaced by a single space character in the input.  This is
+#      done before writing through any filter.  The expected output
+#      must be normalized in this way as well in order for the test to
+#      pass.
+
+#      EXPECT_FAILURE: If specified, the test case is expected to
+#      fail.  In this case, a test case failure will not generate
+#      verbose output or cause overall test suite failure, and a pass
+#      will generate test suite failure.  This should be used for
+#      place-holder test cases that exercise a known bug that cannot
+#      yet be fixed.
+
+sub runtest
+{
+    my $rep = shift;
+
+    if (! ((@_ == 3) || (@_ == 4)))
+    {
+	croak +("Usage: ", +__PACKAGE__,
+		"->runtest(description, input, output[, flags])\n");
+    }
+
+    my ($description, $input, $output, $flags) = @_;
+    $flags = 0 unless defined $flags;
+
+    my $tempdir = $rep->_tempdir();
+
+    if (ref($description) ne '')
+    {
+	&QTC::TC("testdriver", "TestDriver description not string");
+	croak +__PACKAGE__, "->runtest: description must be a string\n";
+    }
+    if (ref($input) ne 'HASH')
+    {
+	&QTC::TC("testdriver", "TestDriver input not hash");
+	croak +__PACKAGE__, "->runtest: input must be a hash reference\n";
+    }
+    if (ref($output) ne 'HASH')
+    {
+	&QTC::TC("testdriver", "TestDriver output not hash");
+	croak +__PACKAGE__, "->runtest: output must be a hash reference\n";
+    }
+    if ((ref($flags) ne '') || ($flags !~ m/^\d+$/))
+    {
+	&QTC::TC("testdriver", "TestDriver flags not integer");
+	croak +__PACKAGE__, "->runtest: flags must be an integer\n";
+    }
+
+    my ($extra_in_keys, $in_string, $in_file, $in_command, $in_filter) =
+	check_hash_keys($input, $rep->STRING,
+			$rep->FILE, $rep->COMMAND, $rep->FILTER);
+    if ($extra_in_keys)
+    {
+	&QTC::TC("testdriver", "TestDriver extraneous input keys");
+	croak +(+__PACKAGE__,
+		"->runtest: extraneous keys in intput hash: $extra_in_keys\n");
+    }
+    my ($extra_out_keys, $out_string, $out_file, $out_regexp,
+	$out_exit_status, $thread_data) =
+	    check_hash_keys($output, $rep->STRING,
+			    $rep->FILE, $rep->REGEXP, $rep->EXIT_STATUS,
+			    $rep->THREAD_DATA);
+    if ($extra_out_keys)
+    {
+	&QTC::TC("testdriver", "TestDriver extraneous output keys");
+	croak +(+__PACKAGE__,
+		"->runtest: extraneous keys in output hash: $extra_out_keys\n");
+    }
+
+    if ((((defined $in_string) ? 1 : 0) +
+	 ((defined $in_file) ? 1 : 0) +
+	 ((defined $in_command) ? 1 : 0)) != 1)
+    {
+	&QTC::TC("testdriver", "TestDriver invalid input");
+	croak +__PACKAGE__, "->runtest: exactly one of" .
+	    " STRING, FILE, or COMMAND must be present for input\n";
+    }
+    if ((((defined $out_string) ? 1 : 0) +
+	 ((defined $out_file) ? 1 : 0) +
+	 ((defined $out_regexp) ? 1 : 0)) != 1)
+    {
+	&QTC::TC("testdriver", "TestDriver invalid output");
+	croak +__PACKAGE__, "->runtest: exactly one of" .
+	    " STRING, FILE, or REGEXP must be present for output\n";
+    }
+    if ((defined $in_command) != (exists $output->{$rep->EXIT_STATUS}))
+    {
+	&QTC::TC("testdriver", "TestDriver invalid status");
+	croak +__PACKAGE__, "->runtest: input COMMAND and output EXIT_STATUS"
+	    . " must either both appear both not appear\n";
+    }
+
+    my ($threads, $seqgroups) = (undef, undef);
+    if (defined $thread_data)
+    {
+	if (ref($thread_data) ne 'HASH')
+	{
+	    &QTC::TC("testdriver", "TestDriver thread_data not hash");
+	    croak +__PACKAGE__, "->runtest: THREAD_DATA" .
+		" must be a hash reference\n";
+	}
+	my $extra_thread_keys;
+	($extra_thread_keys, $threads, $seqgroups) =
+	    check_hash_keys($thread_data, $rep->TD_THREADS, $rep->TD_SEQGROUPS);
+	if ($extra_thread_keys)
+	{
+	    &QTC::TC("testdriver", "TestDriver extraneous thread_data keys");
+	    croak +(+__PACKAGE__,
+		    "->runtest: extraneous keys in THREAD_DATA hash:" .
+		    " $extra_thread_keys\n");
+	}
+	if (! defined $threads)
+	{
+	    &QTC::TC("testdriver", "TestDriver thread_data no threads");
+	    croak +__PACKAGE__, "->runtest: THREAD_DATA" .
+		" must contain TD_THREADS\n";
+	}
+	elsif (ref($threads) ne 'ARRAY')
+	{
+	    &QTC::TC("testdriver", "TestDriver threads not array ref");
+	    croak +__PACKAGE__, "->runtest: TD_THREADS" .
+		" must be an array reference\n";
+	}
+	if ((defined $seqgroups) && (ref($seqgroups) ne 'ARRAY'))
+	{
+	    &QTC::TC("testdriver", "TestDriver seqgroups not array ref");
+	    croak +__PACKAGE__, "->runtest: TD_SEQGROUPS" .
+		" must be an array reference\n";
+	}
+    }
+
+    # testnum is incremented by print_testid
+    my $testnum = $rep->_testnum();
+    my $category = $rep->_suitename();
+    $rep->print_testid($description);
+
+    # Open a file handle to read the raw (unfiltered) test input
+    my $pid = undef;
+    my $pid_killer = new TestDriver::PidKiller(\$pid);
+    my $in = new IO::Handle;
+    if (defined $in_string)
+    {
+	&QTC::TC("testdriver", "TestDriver input string");
+	open($in, '<', \$in_string) or
+	    die +(+__PACKAGE__,
+		  "->runtest: unable to read from input string: $!\n");
+    }
+    elsif (defined $in_file)
+    {
+	&QTC::TC("testdriver", "TestDriver input file");
+	open($in, '<', $in_file) or
+	    croak +(+__PACKAGE__,
+		    "->runtest: unable to read from input file $in_file: $!\n");
+    }
+    elsif (defined $in_command)
+    {
+	$pid = open($in, "-|");
+	croak +__PACKAGE__, "->runtest: fork failed: $!\n" unless defined $pid;
+	if ($pid == 0)
+	{
+	    # child
+	    open(STDERR, ">&STDOUT");
+	    open(STDIN, '<', \ "");
+	    if (ref($in_command) eq 'ARRAY')
+	    {
+		&QTC::TC("testdriver", "TestDriver input command array");
+		exec @$in_command or
+		    croak+(+__PACKAGE__,
+			   "->runtest: unable to run command ",
+			   join(' ', @$in_command), "\n");
+	    }
+	    else
+	    {
+		&QTC::TC("testdriver", "TestDriver input command string");
+		exec $in_command or
+		    croak+(+__PACKAGE__,
+			   "->runtest: unable to run command ",
+			   $in_command, "\n");
+	    }
+	}
+    }
+    else
+    {
+	die +__PACKAGE__, ": INTERNAL ERROR: invalid test input";
+    }
+    binmode $in;
+
+    # Open file handle into which to write the actual output
+    my $actual = new IO::File;
+    my $actual_file = "$tempdir/actual";
+    if (defined $in_filter)
+    {
+	&QTC::TC("testdriver", "TestDriver filter defined");
+	# Write through filter to actual file
+	open($actual, "| $in_filter > $actual_file") or
+	    croak +(+__PACKAGE__, ": pipe to filter $in_filter failed: $!\n");
+	binmode $actual;
+    }
+    else
+    {
+	&QTC::TC("testdriver", "TestDriver filter not defined");
+	open($actual, ">$actual_file") or
+	    die +(+__PACKAGE__, ": write to $actual_file failed: $!\n");
+	binmode $actual;
+    }
+
+    # Write from input to actual output, normalizing spaces and
+    # newlines if needed
+    my $exit_status = undef;
+    while (1)
+    {
+	my ($line, $status) = read_line($in, $pid);
+	$exit_status = $status if defined $status;
+	last unless defined $line;
+	if ($flags & $rep->NORMALIZE_WHITESPACE)
+	{
+	    &QTC::TC("testdriver", "TestDriver normalize whitespace");
+	    $line =~ s/[ \t]+/ /g;
+	}
+	else
+	{
+	    &QTC::TC("testdriver", "TestDriver no normalize whitespace");
+	}
+	if ($flags & $rep->NORMALIZE_NEWLINES)
+	{
+	    &QTC::TC("testdriver", "TestDriver normalize newlines");
+	    $line =~ s/\r$//;
+	}
+	else
+	{
+	    &QTC::TC("testdriver", "TestDriver no normalize newlines");
+	}
+	$actual->print($line);
+	$actual->flush();
+	last if defined $exit_status;
+    }
+    $in->close();
+    if (defined $in_command)
+    {
+	if (! defined $exit_status)
+	{
+	    $exit_status = $?;
+	}
+	if (($exit_status > 0) && ($exit_status < 256))
+	{
+	    &QTC::TC("testdriver", "TestDriver exit status signal");
+	    $exit_status &= 127; # clear core dump flag
+	    $exit_status = "SIG:$exit_status";
+	}
+	else
+	{
+	    &QTC::TC("testdriver", "TestDriver exit status number");
+	    $exit_status >>= 8;
+	}
+    }
+    $? = 0;
+    $actual->close();
+    $pid = undef;
+    if ($?)
+    {
+	die +(+__PACKAGE__,
+	      "->runtest: failure closing actual output; status = $?\n");
+    }
+
+    # Compare exit statuses.  This expression is always true when the
+    # input was not from a command.
+    my $status_match = ((! defined $out_exit_status) ||
+			((defined $exit_status) &&
+			 ($exit_status eq $out_exit_status)));
+
+    # Compare actual output with expected output.
+    my $expected_file = undef;
+    my $output_match = undef;
+    if (defined $out_string)
+    {
+	&QTC::TC("testdriver", "TestDriver output string");
+	# Write output string to a file so we can run diff
+	$expected_file = "$tempdir/expected";
+	my $e = new IO::File;
+	open($e, ">$expected_file") or
+	    die +(__PACKAGE__,
+		  "->runtest: unable to write to $expected_file: $!\n");
+	binmode $e;
+	$e->print($out_string);
+	$e->close();
+    }
+    elsif (defined $out_file)
+    {
+	&QTC::TC("testdriver", "TestDriver output file");
+	if ($flags & $rep->NORMALIZE_NEWLINES)
+	{
+	    # Normalize newlines in expected output file
+	    $expected_file = "$tempdir/expected";
+	    unlink $expected_file;
+	    my $in = new IO::File;
+	    if (open($in, "<$out_file"))
+	    {
+		binmode $in;
+		my $e = new IO::File;
+		open($e, ">$expected_file") or
+		    die +(__PACKAGE__,
+			  "->runtest: unable to write to $expected_file: $!\n");
+		binmode $e;
+		while (<$in>)
+		{
+		    s/\r?$//;
+		    $e->print($_);
+		}
+		$e->close();
+		$in->close();
+	    }
+	}
+	else
+	{
+	    $expected_file = $out_file;
+	}
+    }
+    elsif (defined $out_regexp)
+    {
+	&QTC::TC("testdriver", "TestDriver output regexp");
+	# No expected file; do regexp test to determine whether output
+	# matches
+	$actual = new IO::File;
+	open($actual, "<$actual_file") or
+	    die +(__PACKAGE__,
+		  "->runtest: unable to read $actual_file: $!\n");
+	binmode $actual;
+	local $/ = undef;
+	my $actual_output = <$actual>;
+	$actual->close();
+	$output_match = ($actual_output =~ m/$out_regexp/);
+    }
+    else
+    {
+	die +__PACKAGE__, ": INTERNAL ERROR: invalid test output";
+    }
+
+    my $output_diff = undef;
+    if (! defined $output_match)
+    {
+	if (! defined $expected_file)
+	{
+	    die +__PACKAGE__, ": INTERNAL ERROR: expected_file not defined";
+	}
+	if (defined $threads)
+	{
+	    # Real output comparisons are done later.
+	    $output_match = 1;
+	}
+	else
+	{
+	    $output_diff = "$tempdir/difference";
+	    my $r = safe_pipe(['diff', '-a', '-u',
+			       $expected_file, $actual_file],
+			      $output_diff);
+	    $output_match = ($r == 0);
+	}
+    }
+
+    my $outcome = ($output_match && $status_match) ? PASS : FAIL;
+    my $exp_outcome = (($flags & $rep->EXPECT_FAILURE) ? FAIL : PASS);
+    my $outcome_text = print_results($outcome, $exp_outcome);
+    my $passed = $rep->update_counters($outcome, $exp_outcome);
+
+    my $testxml = $rep->_testxml();
+    my $testlog = $rep->_testlog();
+    # $outcome_text is for the human-readable.  We need something
+    # different for the xml file.
+    $testxml->print("  <testcase\n" .
+		    "   testid=\"$category $testnum\"\n" .
+		    "   description=\"$description\"\n" .
+		    "   outcome=\"" .
+		    (($outcome eq PASS)
+		     ? ($passed ? "pass" : "unexpected-pass")
+		     : ($passed ? "expected-fail" : "fail")) .
+		    "\"\n");
+
+    if (($outcome eq FAIL) && ($outcome ne $exp_outcome))
+    {
+	# Test failed and failure was not expected
+
+	$testxml->print("  >\n");
+	$testlog->printf("$category test %d (%s) FAILED\n",
+			 $testnum, $description);
+	my $cwd = getcwd();
+	$testlog->print("cwd: $cwd\n");
+	$testxml->print("   <cwd>$cwd</cwd>\n");
+	my $cmd = $in_command;
+	if ((defined $cmd) && (ref($cmd) eq 'ARRAY'))
+	{
+	    $cmd = join(' ', @$cmd);
+	}
+	if (defined $cmd)
+	{
+	    $testlog->print("command: $cmd\n");
+	    $testxml->print("   <command>$cmd</command>\n");
+	}
+	if (defined $out_file)
+	{
+	    # Use $out_file, not $expected_file -- we are only
+	    # interested in dispaying this information if the user's
+	    # real output was original in a file.
+	    $testlog->print("expected output in $out_file\n");
+	    $testxml->print(
+		"   <expected-output-file>$out_file</expected-output-file>\n");
+	}
+
+	# It would be nice if we could filter out internal calls for
+	# times when runtest is called inside of the module for
+	# multithreaded testing.
+	$testlog->print(Carp::longmess());
+
+	$testxml->print("   <stacktrace>test failure" .
+			Carp::longmess() .
+			"</stacktrace>\n");
+
+	if (! $status_match)
+	{
+	    &QTC::TC("testdriver", "TestDriver status mismatch");
+	    $testlog->printf("\tExpected status: %s\n", $out_exit_status);
+	    $testlog->printf("\tActual   status: %s\n", $exit_status);
+	    $testxml->print(
+		"   <expected-status>$out_exit_status</expected-status>\n");
+	    $testxml->print(
+		"   <actual-status>$exit_status</actual-status>\n");
+	}
+	if (! $output_match)
+	{
+	    &QTC::TC("testdriver", "TestDriver output mismatch");
+	    $testlog->print("--> BEGIN EXPECTED OUTPUT <--\n");
+	    $testxml->print("   <expected-output>");
+	    if (defined $expected_file)
+	    {
+		write_file_to_fh($expected_file, $testlog);
+		xml_write_file_to_fh($expected_file, $testxml);
+	    }
+	    elsif (defined $out_regexp)
+	    {
+		$testlog->print("regexp: " . $out_regexp);
+		if ($out_regexp !~ m/\n$/s)
+		{
+		    $testlog->print("\n");
+		}
+		$testxml->print("regexp: " . $out_regexp);
+	    }
+	    else
+	    {
+		die +(+__PACKAGE__,
+		      "->runtest: INTERNAL ERROR: no expected output\n");
+	    }
+	    $testlog->print("--> END EXPECTED OUTPUT <--\n" .
+			    "--> BEGIN ACTUAL OUTPUT <--\n");
+	    $testxml->print("</expected-output>\n" .
+			    "   <actual-output>");
+	    write_file_to_fh($actual_file, $testlog);
+	    xml_write_file_to_fh($actual_file, $testxml);
+	    $testlog->print("--> END ACTUAL OUTPUT <--\n");
+	    $testxml->print("</actual-output>\n");
+	    if (defined $output_diff)
+	    {
+		&QTC::TC("testdriver", "TestDriver display diff");
+		$testlog->print("--> DIFF EXPECTED ACTUAL <--\n");
+		$testxml->print("   <diff-output>");
+		write_file_to_fh($output_diff, $testlog);
+		xml_write_file_to_fh($output_diff, $testxml);
+		$testlog->print("--> END DIFFERENCES <--\n");
+		$testxml->print("</diff-output>\n");
+	    }
+	    else
+	    {
+		&QTC::TC("testdriver", "TestDriver display no diff");
+	    }
+	}
+	$testxml->print("  </testcase>\n");
+    }
+    else
+    {
+	$testxml->print("  />\n");
+    }
+
+    if (defined $threads)
+    {
+	if (! defined $expected_file)
+	{
+	    &QTC::TC("testdriver", "TestDriver thread data but no exp output");
+	    croak +(+__PACKAGE__,
+		    "->runtest: thread data invalid".
+		    " without fixed test output\n");
+	}
+
+	my $thread_expected = "$tempdir/thread-expected";
+	my $thread_actual = "$tempdir/thread-actual";
+	copy($actual_file, $thread_actual);
+	filter_seqgroups($expected_file, $thread_expected);
+
+	$passed =
+	    $rep->analyze_thread_data($description,
+				      $expected_file, $actual_file,
+				      $threads, $seqgroups)
+	    && $passed;
+
+	if ($passed)
+	{
+	    $rep->runtest($description . ": all subcases passed",
+			  {$rep->STRING => ""},
+			  {$rep->STRING => ""});
+	}
+	else
+	{
+	    $rep->runtest($description . ": original output",
+			  {$rep->FILE => $thread_actual},
+			  {$rep->FILE => $thread_expected});
+	}
+
+	unlink $thread_expected, $thread_actual;
+    }
+
+    $passed;
+}
+
+sub read_line
+{
+    my ($fh, $pid) = @_;
+    my $line = undef;
+    my $status = undef;
+
+    if (defined $pid)
+    {
+	# It doesn't work to just call <$fh> in this case.  For some
+	# unknown reason, some programs occasionally exit and cause an
+	# interrupted system call return from read which perl just
+	# ignores, making the call to <$fh> hang.  To protect
+	# ourselves, we explicitly check for the program having exited
+	# periodically if read hasn't returned anything.
+
+	while (1)
+	{
+	    my $s = new IO::Select();
+	    $s->add($fh);
+	    my @ready = $s->can_read(1);
+	    if (@ready == 0)
+	    {
+		if (waitpid($pid, WNOHANG) > 0)
+		{
+		    $status = $?;
+		    last;
+		}
+		next;
+	    }
+	    else
+	    {
+		my $buf = "";
+		my $status = sysread($fh, $buf, 1);
+		if ((defined $status) && ($status == 1))
+		{
+		    $line = "" unless defined $line;
+		    $line .= $buf;
+		    last if $buf eq "\n";
+		}
+		else
+		{
+		    last;
+		}
+	    }
+	}
+    }
+    else
+    {
+	$line = <$fh>;
+    }
+    ($line, $status);
+}
+
+sub write_file_to_fh
+{
+    my ($file, $out) = @_;
+    my $in = new IO::File("<$file");
+    if (defined $in)
+    {
+	binmode $in;
+	my $ended_with_newline = 1;
+	while (<$in>)
+	{
+	    $out->print($_);
+	    $ended_with_newline = m/\n$/s;
+	}
+	if (! $ended_with_newline)
+	{
+	    $out->print("[no newline at end of data]\n");
+	}
+	$in->close();
+    }
+    else
+    {
+	$out->print("[unable to open $file: $!]\n");
+    }
+}
+
+sub xml_write_file_to_fh
+{
+    my ($file, $out) = @_;
+    my $in = new IO::File("<$file");
+    if (defined $in)
+    {
+	binmode $in;
+	while (defined ($_ = <$in>))
+	{
+	    s/\&/\&amp;/g;
+	    s/</&lt;/g;
+	    s/>/&gt;/g;
+	    s/([\000-\011\013-\037\177-\377])/sprintf("&#x%02x;", ord($1))/ge;
+	    $out->print($_);
+	}
+	$in->close();
+    }
+    else
+    {
+	$out->print("[unable to open $file: $!]");
+    }
+}
+
+sub check_hash_keys
+{
+    my ($hash, @keys) = @_;
+    my %actual_keys = ();
+    foreach my $k (keys %$hash)
+    {
+	$actual_keys{$k} = 1;
+    }
+    foreach my $k (@keys)
+    {
+	delete $actual_keys{$k};
+    }
+    my $extra_keys = join(', ', sort (keys %actual_keys));
+    ($extra_keys, (map { $hash->{$_} } @keys));
+}
+
+sub print_testid
+{
+    my $rep = shift;
+    my ($description) = @_;
+
+    my $testnum = $rep->_testnum();
+    my $category = $rep->_suitename();
+    print_and_pad(sprintf("$category %2d (%s)", $testnum, $description));
+    my $tc_filename = $ENV{'TC_FILENAME'} || "";
+    if ($tc_filename && open(F, ">>$tc_filename"))
+    {
+	printf F "# $category %2d (%s)\n", $testnum, $description;
+	close(F);
+    }
+    $rep->_testnum(++$testnum);
+}
+
+sub update_counters
+{
+    my $rep = shift;
+    my ($outcome, $exp_outcome) = @_;
+
+    (($outcome eq PASS) && ($exp_outcome eq PASS)) &&
+	$rep->{+__PACKAGE__}{$f_passes}++;
+    (($outcome eq PASS) && ($exp_outcome eq FAIL)) &&
+	$rep->{+__PACKAGE__}{$f_xpasses}++;
+    (($outcome eq FAIL) && ($exp_outcome eq PASS)) &&
+	$rep->{+__PACKAGE__}{$f_fails}++;
+    (($outcome eq FAIL) && ($exp_outcome eq FAIL)) &&
+	$rep->{+__PACKAGE__}{$f_xfails}++;
+
+    ($outcome eq PASS);
+}
+
+sub analyze_thread_data
+{
+    my $rep = shift;
+    my ($description, $expected, $actual,
+	$expected_threads, $expected_seqgroups) = @_;
+
+    my $tempdir = $rep->_tempdir();
+
+    my %actual_threads = ();
+    my %actual_seqgroups = ();
+    my @errors = ();
+
+    $rep->thread_cleanup();
+    $rep->split_combined($expected);
+    $rep->analyze_threaded_output
+	($actual, \%actual_threads, \%actual_seqgroups, \@errors);
+
+    # Make sure we saw the right threads and sequences
+
+    my $desired = "threads:\n";
+    $desired .= join('', map { "  $_\n" } (sort @$expected_threads));
+    $desired .= "sequence groups:\n";
+    if (defined $expected_seqgroups)
+    {
+	$desired .= join('', map { "  $_\n" } (sort @$expected_seqgroups));
+    }
+
+    my $observed = "threads:\n";
+    $observed .= join('', map { "  $_\n" } (sort keys %actual_threads));
+    $observed .= "sequence groups:\n";
+    $observed .= join('', map { "  $_\n" } (sort keys %actual_seqgroups));
+
+    if (@errors)
+    {
+	$observed .= join('', @errors);
+    }
+
+    my $passed =
+	$rep->runtest("$description: multithreaded data",
+		      {$rep->STRING => $observed},
+		      {$rep->STRING => $desired});
+
+
+    foreach my $th (@{$expected_threads})
+    {
+	create_if_missing("$tempdir/$th.thread-actual",
+			  "[no actual output]\n");
+	filter_seqgroups("$tempdir/$th.thread-expected",
+			 "$tempdir/$th.thread-filtered");
+	$passed =
+	    $rep->runtest($description . ": thread $th",
+			  {$rep->FILE => "$tempdir/$th.thread-actual"},
+			  {$rep->FILE => "$tempdir/$th.thread-filtered"})
+	    && $passed;
+    }
+    if (defined $expected_seqgroups)
+    {
+	foreach my $sg (@{$expected_seqgroups})
+	{
+	    create_if_missing("$tempdir/$sg.seq-actual",
+			      "[no actual output]\n");
+	    $passed =
+		$rep->runtest($description . ": seqgroup $sg",
+			      {$rep->FILE => "$tempdir/$sg.seq-actual"},
+			      {$rep->FILE => "$tempdir/$sg.seq-expected"})
+		&& $passed;
+	}
+    }
+
+    $rep->thread_cleanup();
+
+    $passed;
+}
+
+sub analyze_threaded_output
+{
+    my $rep = shift;
+    my ($file, $threads, $seqgroups, $errors) = @_;
+    my $sequence_checking = 1;
+    open(F, "<$file") or die +__PACKAGE__, ": can't open $file: $!\n";
+    my $cur_thread = undef;
+    while (<F>)
+    {
+	if (m/^(\[\[(.+?)\]\]:)/)
+	{
+	    my $tag = $1;
+	    my $thread = $2;
+	    my $rest = $';	#' [unconfuse emacs font lock mode]
+
+	    $rep->handle_line($file, $., $tag, $thread, $rest,
+			      \$sequence_checking, $threads, $seqgroups,
+			      $errors);
+
+	    $cur_thread = $thread;
+	}
+	else
+	{
+	    $rep->handle_line($file, $., "", $cur_thread, $_,
+			      \$sequence_checking, $threads, $seqgroups,
+			      $errors);
+	}
+    }
+    close(F);
+}
+
+sub handle_line
+{
+    my $rep = shift;
+    my ($file, $lineno, $tag, $thread, $rest,
+	$sequence_checking, $threads, $seqgroups, $errors) = @_;
+
+    my $tempdir = $rep->_tempdir();
+
+    if (! exists $threads->{$thread})
+    {
+	my $fh = new IO::File("<$tempdir/$thread.thread-expected");
+	if (! $fh)
+	{
+	    &QTC::TC("testdriver", "TestDriver no input file for thread");
+	    $fh = undef;
+	    $$sequence_checking = 0;
+	    push(@$errors,
+		 "$file:$.: no input file for thread $thread; " .
+		 "sequence checking abandoned\n");
+	}
+	$threads->{$thread} = $fh;
+    }
+    my $known = defined($threads->{$thread});
+
+    my $seqs = "";
+    if ($$sequence_checking)
+    {
+	my $fh = $threads->{$thread};
+	my $next_input_line = scalar(<$fh>);
+	if (! defined $next_input_line)
+	{
+	    $next_input_line = "[EOF]\n";
+	}
+	$seqs = $rep->strip_seqs(\$next_input_line);
+	if ($next_input_line eq $rest)
+	{
+	    if ($seqs ne "")
+	    {
+		$rep->handle_seqs($seqs, $tag . $rest, $seqgroups);
+	    }
+	}
+	else
+	{
+	    &QTC::TC("testdriver", "TestDriver thread mismatch");
+	    $$sequence_checking = 0;
+	    push(@$errors,
+		 "$file:$.: thread $thread mismatch; " .
+		 "sequencing checking abandoned\n" .
+		 "actual $rest" .
+		 "expected $next_input_line");
+	}
+    }
+    output_line("$tempdir/$thread.thread-actual", $rest);
+    if (! $known)
+    {
+	&QTC::TC("testdriver", "TestDriver output from unknown thread");
+	push(@$errors, "[[$thread]]:$rest");
+    }
+}
+
+sub strip_seqs
+{
+    my $rep = shift;
+    my $linep = shift;
+    my $seqs = "";
+    if ($$linep =~ s/^\(\(.*?\)\)//)
+    {
+	$seqs = $&;
+    }
+    $seqs;
+}
+
+sub handle_seqs
+{
+    my $rep = shift;
+    my ($seqs, $line, $seqgroups) = @_;
+    my $tempdir = $rep->_tempdir();
+    $seqs =~ s/^\(\((.*?)\)\)/$1/;
+    foreach my $seq (split(',', $seqs))
+    {
+	$seqgroups->{$seq} = 1;
+	output_line("$tempdir/$seq.seq-actual", $line);
+    }
+}
+
+sub filter_seqgroups
+{
+    my ($infile, $outfile) = @_;
+    open(F, "<$infile") or
+	die +__PACKAGE__, ": can't open $infile: $!\n";
+    binmode F;
+    open(O, ">$outfile") or
+	die +__PACKAGE__, ": can't create $outfile: $!\n";
+    binmode O;
+    while (<F>)
+    {
+	s/^((?:\[\[.+?\]\]:)?)\(\(.+?\)\)/$1/;
+	print O;
+    }
+    close(O);
+    close(F);
+}
+
+sub output_line
+{
+    my ($file, $line) = @_;
+    open(O, ">>$file") or die +__PACKAGE__, ": can't open $file: $!\n";
+    print O $line or die +__PACKAGE__, ": can't append to $file: $!\n";
+    close(O) or die +__PACKAGE__, ": close $file failed: $!\n";
+}
+
+sub create_if_missing
+{
+    my ($file, $line) = @_;
+    if (! -e $file)
+    {
+	open(O, ">$file") or die +__PACKAGE__, ": can't create $file: $!\n";
+	print O $line;
+	close(O);
+    }
+}
+
+sub split_combined
+{
+    my $rep = shift;
+    my $combined = shift;
+    my $tempdir = $rep->_tempdir();
+
+    open(C, "<$combined") or die +__PACKAGE__, ": can't open $combined: $!\n";
+    my %files = ();
+    my $last_thread_fh = undef;
+    while (<C>)
+    {
+	my $thread_fh = $last_thread_fh;
+	my $thread_out = undef;
+	if (m/^(\[\[(.+?)\]\]:)(\(\((.+?)\)\))?(.*\n?)$/)
+	{
+	    my $thread_full = $1;
+	    my $thread = $2;
+	    my $seq_full = $3;
+	    my $seq = $4;
+	    my $rest = $5;
+	    my $seq_out = undef;
+	    $thread_out = $rest;
+
+	    my @seq_files = ();
+	    my $thread_file = "$tempdir/$thread.thread-expected";
+	    if (defined $seq_full)
+	    {
+		$thread_out = $seq_full . $thread_out;
+		$seq_out = $thread_full . $rest;
+		foreach my $s (split(/,/, $seq))
+		{
+		    my $f = "$tempdir/$s.seq-expected";
+		    my $fh = cache_open(\%files, $f);
+		    $fh->print($seq_out);
+		}
+	    }
+
+	    $thread_fh = cache_open(\%files, $thread_file);
+	}
+	else
+	{
+	    $thread_out = $_;
+	}
+	if ((defined $thread_out) && (! defined $thread_fh))
+	{
+	    die +__PACKAGE__, ": no place to put output lines\n";
+	}
+	$thread_fh->print($thread_out) if defined $thread_out;
+	$last_thread_fh = $thread_fh;
+    }
+    close(C);
+    map { $_->close() } (values %files);
+}
+
+sub cache_open
+{
+    my ($cache, $file) = @_;
+    if (! defined $file)
+    {
+	return undef;
+    }
+    if (! exists $cache->{$file})
+    {
+	unlink $file;
+	my $fh = new IO::File(">$file") or
+	    die +__PACKAGE__, ": can't open $file: $!\n";
+	$cache->{$file} = $fh;
+    }
+    $cache->{$file};
+}
+
+sub thread_cleanup
+{
+    my $rep = shift;
+    my $dir = $rep->_tempdir();
+    my @files = +(grep { m/\.(thread|seq)-(actual|expected|filtered)$/ }
+		  (glob("$dir/*")));
+    if (@files)
+    {
+	unlink @files;
+    }
+}
+
+sub rmrf
+{
+    my $path = shift;
+    return unless -e $path;
+    my $wanted = sub
+    {
+	if ((-d $_) && (! -l $_))
+	{
+	    rmdir $_ or die "rmdir $_ failed: $!\n";
+	}
+	else
+	{
+	    unlink $_ or die "unlink $_ failed: $!\n";
+	}
+    };
+    finddepth({wanted => $wanted, no_chdir => 1}, $path);
+}
+
+sub safe_pipe
+{
+    my ($cmd, $outfile) = @_;
+    my $pid = open(C, "-|");
+    my $result = 0;
+
+    if ($pid)
+    {
+	# parent
+	my $out = new IO::File(">$outfile") or
+	    die +__PACKAGE__, ": can't open $outfile: $!\n";
+	binmode C;
+	while (<C>)
+	{
+	    $out->print($_);
+	}
+	close(C);
+	$result = $?;
+	$out->close();
+    }
+    else
+    {
+	# child
+	open(STDERR, ">&STDOUT");
+	exec(@$cmd) || die +__PACKAGE__, ": $cmd->[0] failed: $!\n";
+    }
+
+    $result;
+}
+1;
+
+#
+# END OF TestDriver
+#
diff --git a/zlib-flate/Makefile b/zlib-flate/Makefile
new file mode 100644
index 00000000..90899055
--- /dev/null
+++ b/zlib-flate/Makefile
@@ -0,0 +1 @@
+include ../make/proxy.mk
diff --git a/zlib-flate/build.mk b/zlib-flate/build.mk
new file mode 100644
index 00000000..57d2c98c
--- /dev/null
+++ b/zlib-flate/build.mk
@@ -0,0 +1,22 @@
+TARGETS_zlib-flate = \
+	zlib-flate/$(OUTPUT_DIR)/zlib-flate
+
+$(TARGETS_zlib-flate): $(TARGETS_libqpdf)
+
+INCLUDES_zlib-flate = include
+
+SRCS_zlib-flate = zlib-flate/zlib-flate.cc
+
+# -----
+
+OBJS_zlib-flate = $(call src_to_obj,$(SRCS_zlib-flate))
+
+ifeq ($(GENDEPS),1)
+-include $(call obj_to_dep,$(OBJS_zlib-flate))
+endif
+
+$(OBJS_zlib-flate): zlib-flate/$(OUTPUT_DIR)/%.o: zlib-flate/%.cc
+	$(call compile,$<,$(INCLUDES_zlib-flate))
+
+zlib-flate/$(OUTPUT_DIR)/zlib-flate: $(OBJS_zlib-flate)
+	$(call makebin,$(OBJS_zlib-flate),$@)
diff --git a/zlib-flate/qtest/1.compressed b/zlib-flate/qtest/1.compressed
new file mode 100644
index 00000000..3d05ab1c
--- /dev/null
+++ b/zlib-flate/qtest/1.compressed
diff --git a/zlib-flate/qtest/1.uncompressed b/zlib-flate/qtest/1.uncompressed
new file mode 100644
index 00000000..0446561f
--- /dev/null
+++ b/zlib-flate/qtest/1.uncompressed
@@ -0,0 +1,5 @@
+Once upon a time there lived three qowws.  They didn't like poridge
+much, so they had salad for breakfast.  Goldilocks, upon breaking and
+entering, found this to be distasteful and so she just went away
+without eating any.  This somewhat short-circuited the story.  The
+End.
diff --git a/zlib-flate/qtest/zf.test b/zlib-flate/qtest/zf.test
new file mode 100644
index 00000000..39271e16
--- /dev/null
+++ b/zlib-flate/qtest/zf.test
@@ -0,0 +1,26 @@
+#!/usr/bin/env perl
+require 5.008;
+BEGIN { $^W = 1; }
+use strict;
+
+require TestDriver;
+
+my $td = new TestDriver('zlib-flate');
+
+$td->runtest("compress",
+	     {$td->COMMAND => "zlib-flate -compress < 1.uncompressed"},
+	     {$td->FILE => "1.compressed",
+	      $td->EXIT_STATUS => 0});
+
+$td->runtest("uncompress",
+	     {$td->COMMAND => "zlib-flate -uncompress < 1.compressed"},
+	     {$td->FILE => "1.uncompressed",
+	      $td->EXIT_STATUS => 0});
+
+$td->runtest("error",
+	     {$td->COMMAND => "zlib-flate -uncompress < 1.uncompressed"},
+	     {$td->REGEXP => "flate: inflate: data: .*\n",
+	      $td->EXIT_STATUS => 2},
+	     $td->NORMALIZE_NEWLINES);
+
+$td->report(3);
diff --git a/zlib-flate/zlib-flate.cc b/zlib-flate/zlib-flate.cc
new file mode 100644
index 00000000..33a3cdd9
--- /dev/null
+++ b/zlib-flate/zlib-flate.cc
@@ -0,0 +1,92 @@
+
+#include <qpdf/Pl_Flate.hh>
+#include <qpdf/Pl_StdioFile.hh>
+
+#include <stdio.h>
+#include <string.h>
+#include <iostream>
+#include <stdlib.h>
+#include <unistd.h>
+
+static char const* whoami = 0;
+
+void usage()
+{
+    std::cerr << "Usage: " << whoami << " { -uncompress | -compress }"
+	      << std::endl;
+    exit(2);
+}
+
+int main(int argc, char* argv[])
+{
+    if ((whoami = strrchr(argv[0], '/')) == NULL)
+    {
+	whoami = argv[0];
+    }
+    else
+    {
+	++whoami;
+    }
+    // For libtool's sake....
+    if (strncmp(whoami, "lt-", 3) == 0)
+    {
+	whoami += 3;
+    }
+
+    if ((argc == 2) && (strcmp(argv[1], "--version") == 0))
+    {
+	std::cout << whoami << " version 1.0" << std::endl;
+	exit(0);
+    }
+
+    if (argc != 2)
+    {
+	usage();
+    }
+
+    Pl_Flate::action_e action = Pl_Flate::a_inflate;
+
+    if ((strcmp(argv[1], "-uncompress") == 0))
+    {
+	// okay
+    }
+    else if ((strcmp(argv[1], "-compress") == 0))
+    {
+	action = Pl_Flate::a_deflate;
+    }
+    else
+    {
+	usage();
+    }
+
+    Pl_StdioFile* out = new Pl_StdioFile("stdout", stdout);
+    Pl_Flate* flate = new Pl_Flate("flate", out, action);
+
+    try
+    {
+	unsigned char buf[10000];
+	bool done = false;
+	while (! done)
+	{
+	    int len = read(0, buf, sizeof(buf));
+	    if (len <= 0)
+	    {
+		done = true;
+	    }
+	    else
+	    {
+		flate->write(buf, len);
+	    }
+	}
+	flate->finish();
+	delete flate;
+	delete out;
+    }
+    catch (std::exception& e)
+    {
+	std::cerr << e.what() << std::endl;
+	exit(2);
+    }
+
+    return 0;
+}