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authorJay Berkenbilt <ejb@ql.org>2010-08-14 18:34:30 +0200
committerJay Berkenbilt <ejb@ql.org>2010-08-14 18:34:30 +0200
commitcda1458159b603d53d05edd0a3d69b73c4106576 (patch)
treefce6603d8a6326ff253c90fbd686c1a813fc9d20 /README.windows
parentf7a18c42a0142f36d8cc575fcd10f0e4638ba084 (diff)
downloadqpdf-cda1458159b603d53d05edd0a3d69b73c4106576.tar.zst
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-Common Setup
-============
-
-To be able to build qpdf and run its test suite, you must have either
-Cygwin or MSYS from MinGW (>= 1.0.11) installed. If you want to build
-with Microsoft Visual C++, either Cygwin or MSYS will do. If you want
-to build with MinGW, you must use MSYS rather than Cygwin.
-
-As of this writing, the image comparison tests confuse ghostscript in
-cygwin, but there's a chance they might work at some point. If you
-want to run them, you need ghostscript and tiff utils as well. Then
-omit --disable-test-compare-images from the configure statements given
-below. The image comparison tests have not been tried under MSYS.
-
-
-External Libraries
-==================
-
-In order to build qpdf, you must have copies of zlib and pcre. The
-easy way to get them is to download them from the qpdf download area.
-There are packages called external-libs-bin.zip and
-external-libs-src.zip. If you are building with MSVC 9 (.NET 2008) or
-MINGW 4.4, you can just extract the external-libs-bin.zip zip file
-into the top-level qpdf source tree. It will create a directory
-called external-libs which contains header files and precompiled
-libraries. Passing --enable-external-libs to ./configure (which is
-done automatically if you follow the instructions below) is sufficient
-to find them.
-
-You can also obtain pcre and zlib directly on your own and install
-them. If you are using mingw, you can just set CPPFLAGS, LDFLAGS, and
-LIBS when you run ./configure so that it can find the header files and
-libraries. If you are building with msvc and you want to do this, it
-probably won't work because ./configure doesn't know how to interpret
-LDFLAGS and LIBS properly for MSVC (though qpdf's own build system
-does). In this case, you can probably get away with cheating by
-passing --enable-external-libs to ./configure and then just editing
-CPPFLAGS, LDFLAGS, LIBS in the generated autoconf.mk file. Note that
-you should use UNIX-like syntax (-I, -L, -l) even though this is not
-what cl takes on the command line. qpdf's build rules will fix it.
-
-
-Building with MinGW
-===================
-
-QPDF is known to build and pass its test suite with MSYS-1.0.11 and
-gcc 4.4.0 with C++ support. If you also have ActiveState Perl in your
-path and the external-libs distribution described above, you can fully
-configure, build, and test qpdf in this environment. You will most
-likely not be able to build qpdf with mingw using cygwin.
-
-From your MSYS prompt, run
-
- ./config-mingw
-
-and then
-
- make
-
-Note that ./config-mingw just runs ./configure with specific
-arguments, so you can look at it, make adjustments, and manually run
-configure instead.
-
-Add the absolute path to the libqpdf/build directory to your PATH.
-Make sure you can run the qpdf command by typing qpdf/build/qpdf and
-making sure you get a help message rather than an error loading the
-DLL or no output at all. Run the test suite by typing
-
- make check
-
-If all goes well, you should get a passing test suite.
-
-To create an installation directory, run make install. This will
-create install-mingw/qpdf-VERSION and populate it. The binary
-download of qpdf for Windows with mingw is created from this
-directory.
-
-
-Building with MSVC .NET 2008 Express
-====================================
-
-These instructions would likely work with newer version of MSVC or
-with full version of MSVC. They may also work with .NET 2005. They
-have only been tested with .NET 2008 Express (VC9.0). You may follow
-these instructions from either Cygwin or from MSYS, though only MSYS
-is regularly tested.
-
-You should first set up your environment to be able to run MSVC from
-the command line. There is usually a batch file included with MSVC
-that does this. From that cmd prompt, you can start your cygwin
-shell.
-
-Configure as follows:
-
- ./config-msvc
-
-and then
-
- make
-
-Note that ./config-msvc just runs ./configure with specific arguments,
-so you can look at it, make adjustments, and manually run configure
-instead.
-
-NOTE: automated dependencies are not generated with the msvc build.
-If you're planning on making modifications, you should probably work
-with mingw. If there is a need, I can add dependency information to
-the msvc build, but since I only use it for generating release
-versions, I haven't bothered.
-
-Once built, add the full path to the libqpdf/build directory to your
-path and run
-
- make check
-
-to run the test suite.
-
-If you are building with MSVC and want to debug a crash in MSVC's
-debugger, first start an instance of Visual C++. Then run qpdf. When
-the abort/retry/ignore dialog pops up, first attach the process from
-within visual C++, and then click Retry in qpdf.
-
-A release version of qpdf is built by default. If you want to link
-against debugging libraries, you will have to change /MD to /MDd in
-make/msvc.mk. Note that you must redistribute the Microsoft runtime
-DLLs. Linking with static runtime (/MT) won't work; see "Static
-Runtime" below for details.
-
-
-Runtime DLLs
-============
-
-Both build methods create executables and DLLs that are dependent on
-the compiler's runtime DLLs. When you run make install, the
-installation process will automatically detect the DLLs and copy them
-into the installation bin directory. Look at the copy_dlls script for
-details on how this is accomplished.
-
-Redistribution of the runtime DLL is unavoidable as of this writing;
-see "Static Runtime" below for details.
-
-
-Static Runtime
-==============
-
-Building the DLL and executables with static runtime does not work
-with either Visual C++ .NET 2008 (a.k.a. vc9) using /MT or with mingw
-(at least as of 4.4.0) using -static-libgcc. The reason is that, in
-both cases, there is static data involved with exception handling, and
-when the runtime is linked in statically, exceptions cannot be thrown
-across the DLL to EXE boundary. Since qpdf uses exception handling
-extensively for error handling, we have no choice but to redistribute
-the C++ runtime DLLs. Maybe this will be addressed in a future
-version of the compilers.