mirror of
https://github.com/microsoft/vcpkg.git
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136 lines
3.5 KiB
CMake
136 lines
3.5 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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list(APPEND CMAKE_MODULE_PATH "${CURRENT_INSTALLED_DIR}/share/libwebp")
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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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# first try to load them statically (lib file in vcpkg installation)
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# if this fails try to make them a dynamic dependency (dll will be loaded at runtime) if possible. vcpkg cannot resolve these dependencies!
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# else do not support this file format at all
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# Can be explicitly enabled or disabled via USE_XYZ
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set(DEPENDENCIES PNG JPEG TIFF WEBP)
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# patch library names for preprocessor flags
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set(JPEG_FLAG JPG)
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set(TIFF_FLAG TIF)
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# names of potentially dynamically loaded libraries
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set(JPEG_DYNAMIC \"libjpeg-9.dll\")
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set(PNG_DYNAMIC \"libpng16-16.dll\")
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set(TIFF_DYNAMIC \"libtiff-5.dll\")
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set(WEBP_DYNAMIC \"libwebp-4.dll\")
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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 SDL2_EXPORTS)
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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(${CMAKE_SOURCE_DIR})
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target_link_libraries(SDL2_image SDL2::SDL2)
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# external dependencies
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foreach(DEPENDENCY IN LISTS DEPENDENCIES)
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if(NOT USE_${DEPENDENCY})
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continue()
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endif()
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find_package(${DEPENDENCY})
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if(NOT DEFINED ${DEPENDENCY}_FLAG)
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set(${DEPENDENCY}_FLAG ${DEPENDENCY})
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endif()
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add_definitions(-DLOAD_${${DEPENDENCY}_FLAG})
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if(${DEPENDENCY}_FOUND)
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message(STATUS " --> linking statically.")
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target_link_libraries(SDL2_image ${${DEPENDENCY}_LIBRARIES})
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elseif(DEFINED ${DEPENDENCY}_DYNAMIC)
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message(STATUS " --> linking dynamically.")
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add_definitions(-DLOAD_${${DEPENDENCY}_FLAG}_DYNAMIC=${${DEPENDENCY}_DYNAMIC})
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set(RUNTIME_DEPENDENCIES ON)
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else()
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message(STATUS " --> skipping.")
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endif()
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endforeach(DEPENDENCY)
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if(DEFINED RUNTIME_DEPENDENCIES)
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include_directories(VisualC/external/include)
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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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install(EXPORT SDL2_image
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DESTINATION share/sdl2-image/
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FILE sdl2-image-config.cmake
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NAMESPACE SDL2::
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)
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message(STATUS "Link-time dependencies:")
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message(STATUS " " SDL2::SDL2)
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foreach(DEPENDENCY ${DEPENDENCIES})
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if(${DEPENDENCY}_FOUND)
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message(STATUS " " ${DEPENDENCY})
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endif()
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endforeach(DEPENDENCY)
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if(DEFINED RUNTIME_DEPENDENCIES)
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message(STATUS "Run-time dependencies:")
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foreach(DEPENDENCY ${DEPENDENCIES})
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if(NOT ${DEPENDENCY}_FOUND AND DEFINED ${DEPENDENCY}_DYNAMIC)
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message(STATUS " " ${${DEPENDENCY}_DYNAMIC})
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endif()
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endforeach(DEPENDENCY)
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endif()
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