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authorAkira Kakuto <kakuto@fuk.kindai.ac.jp>2016-01-16 04:46:18 +0000
committerAkira Kakuto <kakuto@fuk.kindai.ac.jp>2016-01-16 04:46:18 +0000
commit06810b92096c164496abf31156ab85b867691001 (patch)
tree4ed66c9532b2083ecdce55c6a7110d2a3ec1dfad /Build/source/libs/libpng
parent799de7aef13b992e6e3c7563ebc1fd4a411c0c4f (diff)
Remove readme.txt
git-svn-id: svn://tug.org/texlive/trunk@39403 c570f23f-e606-0410-a88d-b1316a301751
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-
-VisualStudio instructions
-
-libpng version 1.6.21 - January 15, 2016
-
-Copyright (c) 2010,2013,2015 Glenn Randers-Pehrson
-
-This code is released under the libpng license.
-For conditions of distribution and use, see the disclaimer
-and license in png.h
-
-This directory contains support for building libpng under MicroSoft
-VisualStudio 2010. It may also work under later versions of VisualStudio.
-You should be familiar with VisualStudio before using this directory.
-
-Initial preparations
-====================
-You must enter some information in zlib.props before attempting to build
-with this 'solution'. Please read and edit zlib.props first. You will
-probably not be familiar with the contents of zlib.props - do not worry,
-it is mostly harmless.
-
-This is all you need to do to build the 'release' and 'release library'
-configurations.
-
-Debugging
-=========
-The release configurations default to /Ox optimization. Full debugging
-information is produced (in the .pdb), but if you encounter a problem the
-optimization may make it difficult to debug. Simply rebuild with a lower
-optimization level (e.g. /Od.)
-
-Linking your application
-========================
-Normally you should link against the 'release' configuration. This builds a
-DLL for libpng with the default runtime options used by Visual Studio 2010.
-In particular the runtime library is the "MultiThreaded DLL" version.
-If you use Visual Studio defaults to build your application you will have no
-problems.
-
-If you don't use the Visual Studio defaults your application must still be
-built with the default runtime option (/MD). If, for some reason, it is not
-then your application will crash inside libpng16.dll as soon as libpng
-tries to read from a file handle you pass in.
-
-If you do not want to use the DLL, for example for a very small application,
-the 'release library' configuration may be more appropriate. This is built
-with a non-standard runtime library - the "MultiThreaded" version. When you
-build your application it must be compiled with this option (/MT), otherwise
-it will not build (if you are lucky) or crash (if you are not.) See the
-WARNING file that is distributed along with this readme.txt.
-
-Stop reading here
-=================
-You have enough information to build a working application.
-
-Debug versions have limited support
-===================================
-This solution includes limited support for debug versions of libpng. You
-do not need these unless your own solution itself uses debug builds (it is
-far more effective to debug on the release builds, there is no point building
-a special debug build unless you have heap corruption problems that you can't
-track down.)
-
-The debug build of libpng is minimally supported. Support for debug builds of
-zlib is also minimal. You really don't want to do this.
-
-WARNING
-=======
-Libpng 1.6.x does not use the default run-time library when building static
-library builds of libpng; instead of the shared DLL runtime it uses a static
-runtime. If you need to change this make sure to change the setting on all the
-relevant projects:
-
- libpng
- zlib
- all the test programs
-
-The runtime library settings for each build are as follows:
-
- Release Debug
- DLL /MD /MDd
- Library /MT /MTd
-
-NOTICE that libpng 1.5.x erroneously used /MD for Debug DLL builds; if you used
-the debug builds in your app and you changed your app to use /MD you will need
-to change it back to /MDd for libpng 1.6.0 and later.
-
-The Visual Studio 2010 defaults for a Win32 DLL or Static Library project are
-as follows:
-
- Release Debug
- DLL /MD /MDd
- Static Library /MD /MDd
-