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131 lines
3.6 KiB
CMake
131 lines
3.6 KiB
CMake
cmake_minimum_required(VERSION 2.6)
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project(SDL2_image C)
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### configuration ###
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# enable all file formats which are supported natively
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set(SUPPORTED_FORMATS BMP GIF LBM PCX PNM TGA XPM XCF XV SVG)
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# enable all file formats which are supported through external dependencies
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option(USE_WEBP "Enable support for WebP format" OFF)
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option(USE_PNG "Enable support for PNG format" OFF)
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option(USE_JPEG "Enable support for JPEG format" OFF)
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option(USE_TIFF "Enable support for TIFF format" OFF)
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### implementation ###
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add_library(SDL2_image
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IMG.c
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IMG_bmp.c
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IMG_gif.c
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IMG_jpg.c
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IMG_lbm.c
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IMG_pcx.c
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IMG_png.c
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IMG_pnm.c
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IMG_svg.c
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IMG_tga.c
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IMG_tif.c
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IMG_webp.c
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IMG_xcf.c
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IMG_xpm.c
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IMG_xv.c
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IMG_xxx.c
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IMG_WIC.c
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version.rc
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)
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if (APPLE)
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target_sources(SDL2_image PRIVATE
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IMG_ImageIO.m
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)
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target_compile_options(SDL2_image BEFORE PRIVATE
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"-x" "objective-c"
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)
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endif()
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set_target_properties(SDL2_image PROPERTIES DEFINE_SYMBOL DLL_EXPORT)
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foreach(FORMAT ${SUPPORTED_FORMATS})
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add_definitions(-DLOAD_${FORMAT})
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endforeach(FORMAT)
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# SDL
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find_path(SDL_INCLUDE_DIR SDL2/SDL.h)
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find_package(SDL2 CONFIG REQUIRED)
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include_directories(${SDL_INCLUDE_DIR})
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include_directories(${SDL_INCLUDE_DIR}/SDL2)
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include_directories(${CMAKE_SOURCE_DIR})
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target_link_libraries(SDL2_image SDL2::SDL2)
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# external dependencies
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if(USE_WEBP)
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find_package(WebP CONFIG REQUIRED)
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add_definitions(-DLOAD_WEBP)
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target_link_libraries(SDL2_image PRIVATE WebP::webp)
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endif()
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if(USE_PNG)
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find_package(PNG REQUIRED)
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add_definitions(-DLOAD_PNG)
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target_link_libraries(SDL2_image PRIVATE PNG::PNG)
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endif()
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if(USE_JPEG)
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find_package(JPEG REQUIRED)
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add_definitions(-DLOAD_JPG)
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target_link_libraries(SDL2_image PRIVATE ${JPEG_LIBRARIES})
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endif()
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if(USE_TIFF)
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find_package(TIFF REQUIRED)
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add_definitions(-DLOAD_TIF)
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target_link_libraries(SDL2_image PRIVATE TIFF::TIFF)
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if(CMAKE_SYSTEM_NAME STREQUAL "WindowsStore")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /wd4996")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4996")
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endif()
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endif()
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install(TARGETS SDL2_image
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EXPORT SDL2_image
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RUNTIME DESTINATION bin
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ARCHIVE DESTINATION lib
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LIBRARY DESTINATION lib)
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install(FILES SDL_image.h DESTINATION include/SDL2 CONFIGURATIONS Release)
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configure_file("${CMAKE_CURRENT_SOURCE_DIR}/sdl2-image-config.cmake.in"
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"${CMAKE_CURRENT_BINARY_DIR}/sdl2-image-config.cmake" @ONLY
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INSTALL_DESTINATION "share/sdl2-image")
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set(prefix "")
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set(exec_prefix [[${prefix}]])
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set(libdir [[${prefix}/lib]])
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set(includedir [[${prefix}/include]])
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set(PACKAGE "SDL2_image")
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file(READ "SDL_image.h" header_contents)
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# #define SDL_IMAGE_MAJOR_VERSION 2
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# #define SDL_IMAGE_MINOR_VERSION 0
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# #define SDL_IMAGE_PATCHLEVEL 5
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string(REGEX MATCH "define *SDL_IMAGE_MAJOR_VERSION *([0-9]+)" _ "${header_contents}")
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set(VERSION ${CMAKE_MATCH_1})
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string(REGEX MATCH "define *SDL_IMAGE_MINOR_VERSION *([0-9]+)" _ "${header_contents}")
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string(APPEND VERSION ".${CMAKE_MATCH_1}")
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string(REGEX MATCH "define *SDL_IMAGE_PATCHLEVEL *([0-9]+)" _ "${header_contents}")
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string(APPEND VERSION ".${CMAKE_MATCH_1}")
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set(SDL_VERSION 0.0)
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configure_file(SDL2_image.pc.in "${CMAKE_CURRENT_BINARY_DIR}/SDL2_image.pc" @ONLY)
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install(FILES ${CMAKE_CURRENT_BINARY_DIR}/SDL2_image.pc DESTINATION lib/pkgconfig)
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install(FILES ${CMAKE_CURRENT_BINARY_DIR}/sdl2-image-config.cmake DESTINATION share/sdl2-image)
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install(EXPORT SDL2_image
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DESTINATION share/sdl2-image/
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FILE sdl2-image-targets.cmake
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NAMESPACE SDL2::
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)
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