150 lines
3.2 KiB
CMake
150 lines
3.2 KiB
CMake
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project(libpng)
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SET(PNG_VER_MAJOR 1)
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SET(PNG_VER_MINOR 4)
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SET(PNG_VER_PATCH 0)
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# needed packages
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find_package(ZLIB REQUIRED)
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# command line options
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option(PNG_SHARED "Build shared lib" YES)
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option(PNG_TESTS "Build pngtest" YES)
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#TODO:
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# PNG_NO_CONSOLE_IO
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# PNG_NO_STDIO
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# PNG_CONSOLE_IO_SUPPORTED
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# PNGARG
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# some others :)
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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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endif(NOT WIN32)
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option(PNG_MMX "Use MMX assembler code (x86 only)" ${png_asm_tmp})
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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 ${PNG_LIB_NAME}png-${PNG_VER_MAJOR}.${PNG_VER_MINOR})
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set(PNG_LIB_NAME ${PNG_LIB_NAME}png)
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# to distinguish between debug and release lib
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set(CMAKE_DEBUG_POSTFIX "d")
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# append _static to static lib
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if(NOT PNG_SHARED)
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set(PNG_LIB_NAME ${PNG_LIB_NAME}_static)
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endif(NOT PNG_SHARED)
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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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pngdefs.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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if(MSVC)
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add_definitions(-DPNG_NO_MODULEDEF -D_CRT_SECURE_NO_DEPRECATE)
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FILE(WRITE pngdefs.h "#define PNG_USE_PNGVCRD\n")
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set(libpng_sources ${libpng_sources}
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pngvcrd.c
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)
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else(MSVC)
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FILE(WRITE pngdefs.h "#define PNG_USE_PNGGCCRD\n")
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FILE(APPEND pngdefs.h "#define PNG_USE_GLOBAL_ARRAYS\n")
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set(libpng_sources ${libpng_sources}
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pnggccrd.c
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)
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endif(MSVC)
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if(NOT PNG_MMX)
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FILE(APPEND pngdefs.h "#define PNG_NO_MMX_CODE\n")
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endif(NOT PNG_MMX)
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if(NOT WIN32)
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find_library(M_LIBRARY
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NAMES m
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PATHS /usr/lib /usr/local/lib
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)
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endif(NOT WIN32)
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# now build our target
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include_directories(${CMAKE_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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else(PNG_SHARED)
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add_library(STATIC ${libpng_sources})
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endif(PNG_SHARED)
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target_link_libraries(${PNG_LIB_NAME} ${ZLIB_LIBRARY} ${M_LIBRARY})
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if(PNG_SHARED AND WIN32)
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set_target_properties(${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 ${CMAKE_SOURCE_DIR}/pngtest.png)
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endif(PNG_TESTS)
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# install
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install_targets(/bin ${PNG_LIB_NAME})
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install(FILES libpng.so DESTINATION lib)
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install(FILES png.h pngconf.h pngpriv.h pngdefs.h DESTINATION include)
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install(FILES libpng.3 libpngpf.3 DESTINATION man/man3)
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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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