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[devel] Moved scripts/CMakeLists.txt to main libpng directory
This commit is contained in:
Glenn Randers-Pehrson
210
CMakeLists.txt
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210
CMakeLists.txt
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project(PNG)
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# Copyright (C) 2007 Glenn Randers-Pehrson
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# This code is released under the libpng license.
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# For conditions of distribution and use, see the disclaimer
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# and license in png.h
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set(PNGLIB_MAJOR 1)
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set(PNGLIB_MINOR 4)
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set(PNGLIB_RELEASE 0)
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set(PNGLIB_NAME libpng${PNGLIB_MAJOR}${PNGLIB_MINOR})
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set(PNGLIB_VERSION ${PNGLIB_MAJOR}.${PNGLIB_MINOR}.${PNGLIB_RELEASE})
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# needed packages
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find_package(ZLIB REQUIRED)
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if(NOT WIN32)
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find_library(M_LIBRARY
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NAMES m
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PATHS /usr/lib /usr/local/lib
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)
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if(NOT M_LIBRARY)
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message(STATUS
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"math library 'libm' not found - floating point support disabled")
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endif(NOT M_LIBRARY)
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else(NOT WIN32)
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# not needed on windows
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set(M_LIBRARY "")
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endif(NOT WIN32)
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# COMMAND LINE OPTIONS
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option(PNG_SHARED "Build shared lib" YES)
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option(PNG_STATIC "Build static lib" YES)
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if(MINGW)
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option(PNG_TESTS "Build pngtest" NO)
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else(MINGW)
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option(PNG_TESTS "Build pngtest" YES)
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endif(MINGW)
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option(PNG_NO_CONSOLE_IO "FIXME" YES)
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option(PNG_NO_STDIO "FIXME" YES)
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option(PNG_DEBUG "Build with debug output" YES)
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option(PNGARG "FIXME" YES)
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#TODO:
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# PNG_CONSOLE_IO_SUPPORTED
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# maybe needs improving, but currently I don't know when we can enable what :)
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set(png_asm_tmp "OFF")
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if(NOT WIN32)
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find_program(uname_executable NAMES uname PATHS /bin /usr/bin /usr/local/bin)
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if(uname_executable)
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EXEC_PROGRAM(${uname_executable} ARGS --machine OUTPUT_VARIABLE uname_output)
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if("uname_output" MATCHES "^.*i[1-9]86.*$")
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set(png_asm_tmp "ON")
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else("uname_output" MATCHES "^.*i[1-9]86.*$")
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set(png_asm_tmp "OFF")
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endif("uname_output" MATCHES "^.*i[1-9]86.*$")
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endif(uname_executable)
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else(NOT WIN32)
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# this env var is normally only set on win64
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SET(TEXT "ProgramFiles(x86)")
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if("$ENV{${TEXT}}" STREQUAL "")
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set(png_asm_tmp "ON")
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endif("$ENV{${TEXT}}" STREQUAL "")
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endif(NOT WIN32)
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# SET LIBNAME
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# msvc does not append 'lib' - do it here to have consistent name
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if(MSVC)
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set(PNG_LIB_NAME lib)
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endif(MSVC)
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set(PNG_LIB_NAME ${PNG_LIB_NAME}png${PNGLIB_MAJOR}${PNGLIB_MINOR})
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# to distinguish between debug and release lib
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set(CMAKE_DEBUG_POSTFIX "d")
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# OUR SOURCES
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set(libpng_sources
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png.h
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pngconf.h
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pngpriv.h
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png.c
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pngerror.c
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pngget.c
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pngmem.c
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pngpread.c
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pngread.c
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pngrio.c
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pngrtran.c
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pngrutil.c
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pngset.c
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pngtrans.c
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pngwio.c
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pngwrite.c
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pngwtran.c
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pngwutil.c
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)
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set(pngtest_sources
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pngtest.c
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)
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# SOME NEEDED DEFINITIONS
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if(MSVC)
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add_definitions(-DPNG_NO_MODULEDEF -D_CRT_SECURE_NO_DEPRECATE)
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endif(MSVC)
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add_definitions(-DZLIB_DLL)
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if(PNG_CONSOLE_IO_SUPPORTED)
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add_definitions(-DPNG_CONSOLE_IO_SUPPORTED)
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endif(PNG_CONSOLE_IO_SUPPORTED)
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if(PNG_NO_CONSOLE_IO)
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add_definitions(-DPNG_NO_CONSOLE_IO)
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endif(PNG_NO_CONSOLE_IO)
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if(PNG_NO_STDIO)
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add_definitions(-DPNG_NO_STDIO)
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endif(PNG_NO_STDIO)
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if(PNG_DEBUG)
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add_definitions(-DPNG_DEBUG)
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endif(PNG_DEBUG)
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if(NOT M_LIBRARY AND NOT WIN32)
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add_definitions(-DPNG_NO_FLOATING_POINT_SUPPORTED)
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endif(NOT M_LIBRARY AND NOT WIN32)
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# NOW BUILD OUR TARGET
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include_directories(${PNG_SOURCE_DIR} ${ZLIB_INCLUDE_DIR})
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if(PNG_SHARED)
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add_library(${PNG_LIB_NAME} SHARED ${libpng_sources})
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target_link_libraries(${PNG_LIB_NAME} ${ZLIB_LIBRARY} ${M_LIBRARY})
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endif(PNG_SHARED)
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if(PNG_STATIC)
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# does not work without changing name
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set(PNG_LIB_NAME_STATIC ${PNG_LIB_NAME}_static)
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add_library(${PNG_LIB_NAME_STATIC} STATIC ${libpng_sources})
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endif(PNG_STATIC)
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if(PNG_SHARED AND WIN32)
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set_target_properties(${PNG_LIB_NAME} PROPERTIES DEFINE_SYMBOL PNG_BUILD_DLL)
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endif(PNG_SHARED AND WIN32)
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if(PNG_TESTS)
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# does not work with msvc due to png_lib_ver issue
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add_executable(pngtest ${pngtest_sources})
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target_link_libraries(pngtest ${PNG_LIB_NAME})
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# add_test(pngtest ${PNG_SOURCE_DIR}/pngtest.png)
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endif(PNG_TESTS)
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# CREATE PKGCONFIG FILES
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# we use the same files like ./configure, so we have to set its vars
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set(prefix ${CMAKE_INSTALL_PREFIX})
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set(exec_prefix ${CMAKE_INSTALL_PREFIX})
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set(libdir ${CMAKE_INSTALL_PREFIX}/lib)
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set(includedir ${CMAKE_INSTALL_PREFIX}/include)
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configure_file(${PNG_SOURCE_DIR}/scripts/libpng.pc.in
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${PNG_BINARY_DIR}/libpng.pc)
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configure_file(${PNG_SOURCE_DIR}/scripts/libpng-config.in
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${PNG_BINARY_DIR}/libpng-config)
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configure_file(${PNG_SOURCE_DIR}/scripts/libpng.pc.in
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${PNG_BINARY_DIR}/${PNGLIB_NAME}.pc)
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configure_file(${PNG_SOURCE_DIR}/scripts/libpng-config.in
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${PNG_BINARY_DIR}/${PNGLIB_NAME}-config)
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# SET UP LINKS
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set_target_properties(${PNG_LIB_NAME} PROPERTIES
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# VERSION 14.${PNGLIB_RELEASE}.1.4.0beta77
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VERSION 14.${PNGLIB_RELEASE}.0
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SOVERSION 14
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CLEAN_DIRECT_OUTPUT 1)
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if(NOT WIN32)
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# that's uncool on win32 - it overwrites our static import lib...
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set_target_properties(${PNG_LIB_NAME_STATIC} PROPERTIES
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OUTPUT_NAME ${PNG_LIB_NAME}
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CLEAN_DIRECT_OUTPUT 1)
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endif(NOT WIN32)
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# INSTALL
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install_targets(/lib ${PNG_LIB_NAME})
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if(PNG_STATIC)
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install_targets(/lib ${PNG_LIB_NAME_STATIC})
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endif(PNG_STATIC)
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install(FILES png.h pngconf.h pngpriv.h DESTINATION include)
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install(FILES png.h pngconf.h pngpriv.h DESTINATION include/${PNGLIB_NAME})
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install(FILES libpng.3 libpngpf.3 DESTINATION man/man3)
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install(FILES png.5 DESTINATION man/man5)
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install(FILES ${PNG_BINARY_DIR}/libpng.pc DESTINATION lib/pkgconfig)
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install(FILES ${PNG_BINARY_DIR}/libpng-config DESTINATION bin)
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install(FILES ${PNG_BINARY_DIR}/${PNGLIB_NAME}.pc DESTINATION lib/pkgconfig)
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install(FILES ${PNG_BINARY_DIR}/${PNGLIB_NAME}-config DESTINATION bin)
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# what's with libpng.txt and all the extra files?
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# UNINSTALL
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# do we need this?
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# DIST
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# do we need this?
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# to create msvc import lib for mingw compiled shared lib
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# pexports libpng.dll > libpng.def
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# lib /def:libpng.def /machine:x86
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