From 846c9f6bcc9aa86067850088808ff8d724a0d18f Mon Sep 17 00:00:00 2001 From: Jay Berkenbilt Date: Sat, 17 Oct 2009 03:14:47 +0000 Subject: checkpoint -- started doing some R4 encryption support git-svn-id: svn+q:///qpdf/trunk@807 71b93d88-0707-0410-a8cf-f5a4172ac649 --- README | 36 +++++++++++++++++++++++++++++++----- 1 file changed, 31 insertions(+), 5 deletions(-) (limited to 'README') diff --git a/README b/README index 40e0f33a..2e74f388 100644 --- a/README +++ b/README @@ -8,6 +8,32 @@ Artistic License which may be found in the source distribution as "Artistic-2.0". It is provided "as is" without express or implied warranty. + +Licensing terms of embedded software +==================================== + +Some additional software with additional licensing terms is embedded +within the qpdf source distribution in "external-libs". This software +is not actually used by the qpdf build unless the +--enable-build-external-libs option is passed to ./configure. These +packages have their own licensing terms, both of which are compatible +with qpdf's license. + +Zlib's license can be read in external-libs/zlib/zlib.h + +PCRE's licensing terms can be found in external-libs/pcre/LICENSE. +PCRE's licensing terms require that we include the following +information: + + Regular expression support is provided by the PCRE library package, + which is open source software, written by Philip Hazel, and + copyright by the University of Cambridge, England. + +The sources to PCRE can be independently obtained from + + ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/ + + Building on UNIX/Linux ====================== @@ -24,11 +50,11 @@ Building on Windows =================== QPDF is known to build and pass its test suite with mingw (gcc 4.4.0) -and Microsoft Visual C++ .NET 2008 Express. In both cases, cygwin is -required to run the test suite. Either cygwin or MSYS is required to -build as well in order to get make and other related tools. The MSVC -build has only been tested under cygwin. The mingw build requires -MSYS and will probably not work with cygwin. +and Microsoft Visual C++ .NET 2008 Express. Either cygwin or MSYS +plus ActivateState Perl is required to build as well in order to get +make and other related tools. The MSVC works with either cygwin or +MSYS. The mingw build requires MSYS and will probably not work with +cygwin. For details on how to build under Windows, see README.windows. -- cgit v1.2.3-54-g00ecf