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|
cmake_minimum_required(VERSION 3.16)
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake")
# See docs/release_checklist.md
set(MAJOR_VERSION 2)
set(MINOR_VERSION 8)
set(MICRO_VERSION 8)
set(SDL_REQUIRED_VERSION 2.0.9)
include(PrivateSdlFunctions)
sdl_calculate_derived_version_variables()
if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR)
message(FATAL_ERROR "Prevented in-tree built. Please create a build directory outside of the SDL_image source code and call cmake from there")
endif()
project(SDL2_image
LANGUAGES C
VERSION "${FULL_VERSION}"
)
message(STATUS "Configuring ${PROJECT_NAME} ${PROJECT_VERSION}")
if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
set(SDL2IMAGE_ROOTPROJECT ON)
else()
set(SDL2IMAGE_ROOTPROJECT OFF)
endif()
set(SDL2IMAGE_SAMPLES_DEFAULT ${SDL2IMAGE_ROOTPROJECT})
if(ANDROID)
set(SDL2IMAGE_SAMPLES_DEFAULT OFF)
endif()
# Set defaults preventing destination file conflicts
set(SDL2IMAGE_DEBUG_POSTFIX "d"
CACHE STRING "Name suffix for debug builds")
mark_as_advanced(SDL2IMAGE_DEBUG_POSTFIX)
# Assume MSVC projects don't have a package manager and need vendored dependencies (by default).
# Most other platforms have some kind of package manager.
# FIXME: consider a package manager such as conan/vcpkg instead of vendoring
if(MSVC)
set(vendored_default ON)
else()
set(vendored_default OFF)
endif()
set(sdl2image_install_enableable ON)
if ((TARGET SDL2 OR TARGET SDL2-static) AND SDL2_DISABLE_INSTALL)
# Cannot install SDL2_image when SDL2 is built in same built, and is not installed.
set(sdl2image_install_enableable OFF)
endif()
include(CMakeDependentOption)
include(CMakePackageConfigHelpers)
include(GNUInstallDirs)
option(CMAKE_POSITION_INDEPENDENT_CODE "Build static libraries with -fPIC" ON)
option(BUILD_SHARED_LIBS "Build the library as a shared library" ON)
cmake_dependent_option(SDL2IMAGE_INSTALL "Enable SDL2_image install target" ${SDL2IMAGE_ROOTPROJECT} "${sdl2image_install_enableable}" OFF)
option(SDL2IMAGE_DEPS_SHARED "Load dependencies dynamically" ON)
option(SDL2IMAGE_VENDORED "Use vendored third-party libraries" ${vendored_default})
option(SDL2IMAGE_STRICT "Fail when a dependency could not be found" OFF)
set(required "")
set(fatal_error "STATUS")
if(SDL2IMAGE_STRICT)
set(required "REQUIRED")
set(fatal_error "FATAL_ERROR")
endif()
option(SDL2IMAGE_SAMPLES "Build the SDL2_image sample program(s)" ${SDL2IMAGE_SAMPLES_DEFAULT})
cmake_dependent_option(SDL2IMAGE_SAMPLES_INSTALL "Install the SDL2_image sample program(s)" OFF "SDL2IMAGE_SAMPLES;SDL2IMAGE_INSTALL" OFF)
option(SDL2IMAGE_TESTS "Build unit tests?" OFF)
cmake_dependent_option(SDL2IMAGE_TESTS_INSTALL "Install unit tests?" OFF "SDL2IMAGE_TESTS;SDL2IMAGE_INSTALL" OFF)
option(SDL2IMAGE_BACKEND_STB "Use stb_image for loading JPEG and PNG files" ON)
cmake_dependent_option(SDL2IMAGE_BACKEND_WIC "Add WIC backend (Windows Imaging Component)" OFF WIN32 OFF)
cmake_dependent_option(SDL2IMAGE_BACKEND_IMAGEIO "Use native Mac OS X frameworks for loading images" ON APPLE OFF)
option(SDL2IMAGE_AVIF "Support loading AVIF images" ON)
option(SDL2IMAGE_BMP "Support loading BMP images" ON)
option(SDL2IMAGE_GIF "Support loading GIF images" ON)
option(SDL2IMAGE_JPG "Support loading JPEG images" ON)
option(SDL2IMAGE_JXL "Support loading JXL images" OFF)
option(SDL2IMAGE_LBM "Support loading LBM images" ON)
option(SDL2IMAGE_PCX "Support loading PCX images" ON)
option(SDL2IMAGE_PNG "Support loading PNG images" ON)
option(SDL2IMAGE_PNM "Support loading PNM images" ON)
option(SDL2IMAGE_QOI "Support loading QOI images" ON)
option(SDL2IMAGE_SVG "Support loading SVG images" ON)
option(SDL2IMAGE_TGA "Support loading TGA images" ON)
option(SDL2IMAGE_TIF "Support loading TIFF images" ON)
option(SDL2IMAGE_WEBP "Support loading WEBP images" ON)
option(SDL2IMAGE_XCF "Support loading XCF images" ON)
option(SDL2IMAGE_XPM "Support loading XPM images" ON)
option(SDL2IMAGE_XV "Support loading XV images" ON)
cmake_dependent_option(SDL2IMAGE_JPG_SAVE "Add JPEG save support" ON SDL2IMAGE_JPG OFF)
cmake_dependent_option(SDL2IMAGE_PNG_SAVE "Add PNG save support" ON SDL2IMAGE_PNG OFF)
set(LIBAVIF_MINIMUM_VERSION "0.9.3")
if(SDL2IMAGE_VENDORED AND SDL2IMAGE_AVIF)
set(SDL2IMAGE_AVIF_VENDORED ON)
else()
set(SDL2IMAGE_AVIF_VENDORED OFF)
endif()
cmake_dependent_option(SDL2IMAGE_AVIF_SHARED "Dynamically load AVIF support (requires shared libavif)"
${SDL2IMAGE_DEPS_SHARED} SDL2IMAGE_AVIF OFF)
if(SDL2IMAGE_AVIF_VENDORED)
set(SDL2IMAGE_DAV1D ON)
set(SDL2IMAGE_DAV1D_VENDORED ON)
else()
set(SDL2IMAGE_DAV1D OFF)
set(SDL2IMAGE_DAV1D_VENDORED OFF)
endif()
if(SDL2IMAGE_AVIF_SHARED)
set(SDL2IMAGE_DAV1D_SHARED ON)
else()
set(SDL2IMAGE_DAV1D_SHARED OFF)
endif()
if(SDL2IMAGE_VENDORED AND SDL2IMAGE_JPG AND NOT (SDL2IMAGE_BACKEND_WIC OR SDL2IMAGE_BACKEND_STB OR SDL2IMAGE_BACKEND_IMAGEIO))
set(SDL2IMAGE_JPG_VENDORED ON)
else()
set(SDL2IMAGE_JPG_VENDORED OFF)
endif()
cmake_dependent_option(SDL2IMAGE_JPG_SHARED "Dynamically load JPG support (requires shared libjpeg)"
${SDL2IMAGE_DEPS_SHARED} "SDL2IMAGE_JPG;NOT SDL2IMAGE_BACKEND_WIC;NOT SDL2IMAGE_BACKEND_STB;NOT SDL2IMAGE_BACKEND_IMAGEIO" OFF)
if(SDL2IMAGE_VENDORED AND SDL2IMAGE_JXL)
set(SDL2IMAGE_JXL_VENDORED ON)
else()
set(SDL2IMAGE_JXL_VENDORED OFF)
endif()
cmake_dependent_option(SDL2IMAGE_JXL_SHARED "Dynamically load JXL support (requires shared libjxl)"
${SDL2IMAGE_DEPS_SHARED} SDL2IMAGE_JXL OFF)
if(SDL2IMAGE_VENDORED AND SDL2IMAGE_PNG AND NOT (SDL2IMAGE_BACKEND_WIC OR SDL2IMAGE_BACKEND_STB OR SDL2IMAGE_BACKEND_IMAGEIO))
set(SDL2IMAGE_PNG_VENDORED ON)
else()
set(SDL2IMAGE_PNG_VENDORED OFF)
endif()
cmake_dependent_option(SDL2IMAGE_PNG_SHARED "Dynamically load PNG support (requires shared libpng)"
${SDL2IMAGE_DEPS_SHARED} "SDL2IMAGE_PNG;NOT SDL2IMAGE_BACKEND_WIC;NOT SDL2IMAGE_BACKEND_STB;NOT SDL2IMAGE_BACKEND_IMAGEIO" OFF)
if(SDL2IMAGE_VENDORED AND SDL2IMAGE_TIF)
set(SDL2IMAGE_TIF_VENDORED ON)
else()
set(SDL2IMAGE_TIF_VENDORED OFF)
endif()
cmake_dependent_option(SDL2IMAGE_TIF_SHARED "Dynamically load TIFF support (requires shared libtiff)"
${SDL2IMAGE_DEPS_SHARED} SDL2IMAGE_TIF OFF)
if(SDL2IMAGE_VENDORED AND SDL2IMAGE_WEBP)
set(SDL2IMAGE_WEBP_VENDORED ON)
else()
set(SDL2IMAGE_WEBP_VENDORED OFF)
endif()
cmake_dependent_option(SDL2IMAGE_WEBP_SHARED "Dynamically load WEBP support (requires shared libwebp)"
${SDL2IMAGE_DEPS_SHARED} SDL2IMAGE_WEBP OFF)
if(SDL2IMAGE_PNG_VENDORED)
set(SDL2IMAGE_ZLIB ON)
else()
set(SDL2IMAGE_ZLIB OFF)
endif()
if(SDL2IMAGE_VENDORED AND SDL2IMAGE_PNG_VENDORED)
set(SDL2IMAGE_ZLIB_VENDORED ON)
else()
set(SDL2IMAGE_ZLIB_VENDORED OFF)
endif()
if(SDL2IMAGE_PNG_SHARED)
set(SDL2IMAGE_ZLIB_SHARED ON)
else()
set(SDL2IMAGE_ZLIB_SHARED OFF)
endif()
# Save BUILD_SHARED_LIBS variable
set(SDL2IMAGE_BUILD_SHARED_LIBS ${BUILD_SHARED_LIBS})
if(SDL2IMAGE_BUILD_SHARED_LIBS)
set(sdl2_image_export_name SDL2_image)
set(sdl2_image_install_name_infix shared)
set(sdl2_target_name SDL2::SDL2)
else()
set(sdl2_image_export_name SDL2_image-static)
set(sdl2_image_install_name_infix static)
set(sdl2_target_name SDL2::SDL2-static)
endif()
sdl_find_sdl2(${sdl2_target_name} ${SDL_REQUIRED_VERSION})
# Set PROJECT_VERSION of subprojects to "" if it's project call does not set VERSION
cmake_policy(SET CMP0048 NEW)
# Allow cmake_dependent_option to use "Full Condition Syntax"
if(POLICY CMP0127)
cmake_policy(SET CMP0127 NEW)
endif()
# OpenGL is required by dependencies of (dependencies of) some vendored libraries
if(NOT DEFINED OpenGL_GL_PREFERENCE)
set(OpenGL_GL_PREFERENCE GLVND)
endif()
add_library(SDL2_image
src/IMG.c
src/IMG_WIC.c
src/IMG_avif.c
src/IMG_bmp.c
src/IMG_gif.c
src/IMG_jpg.c
src/IMG_jxl.c
src/IMG_lbm.c
src/IMG_pcx.c
src/IMG_png.c
src/IMG_pnm.c
src/IMG_qoi.c
src/IMG_stb.c
src/IMG_svg.c
src/IMG_tga.c
src/IMG_tif.c
src/IMG_webp.c
src/IMG_xcf.c
src/IMG_xpm.c
src/IMG_xv.c
)
add_library(SDL2_image::${sdl2_image_export_name} ALIAS SDL2_image)
target_include_directories(SDL2_image PUBLIC
"$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>"
"$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>"
"$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/SDL2>"
)
target_compile_definitions(SDL2_image PRIVATE
BUILD_SDL
SDL_BUILD_MAJOR_VERSION=${MAJOR_VERSION}
SDL_BUILD_MINOR_VERSION=${MINOR_VERSION}
SDL_BUILD_MICRO_VERSION=${MICRO_VERSION}
)
target_link_libraries(SDL2_image PRIVATE $<BUILD_INTERFACE:${sdl2_target_name}>)
if(WIN32 AND SDL2IMAGE_BUILD_SHARED_LIBS)
target_sources(SDL2_image PRIVATE
src/version.rc
)
if(MINGW)
target_link_options(SDL2_image PRIVATE -static-libgcc)
endif()
endif()
set_target_properties(SDL2_image PROPERTIES
DEFINE_SYMBOL DLL_EXPORT
EXPORT_NAME ${sdl2_image_export_name}
C_VISIBILITY_PRESET "hidden"
)
if(NOT ANDROID)
set_target_properties(SDL2_image PROPERTIES
DEBUG_POSTFIX "${SDL2IMAGE_DEBUG_POSTFIX}"
SOVERSION "${LT_MAJOR}"
VERSION "${LT_VERSION}"
)
if(APPLE)
cmake_minimum_required(VERSION 3.17)
set_target_properties(SDL2_image PROPERTIES
MACHO_COMPATIBILITY_VERSION "${DYLIB_COMPATIBILITY_VERSION}"
MACHO_CURRENT_VERSION "${DYLIB_CURRENT_VERSION}"
)
endif()
endif()
if(SDL2IMAGE_BUILD_SHARED_LIBS AND (APPLE OR (UNIX AND NOT ANDROID)))
add_custom_command(TARGET SDL2_image POST_BUILD
COMMAND "${CMAKE_COMMAND}" -E create_symlink "$<TARGET_SONAME_FILE_NAME:SDL2_image>" "libSDL2_image$<$<CONFIG:Debug>:${SDL2IMAGE_DEBUG_POSTFIX}>$<TARGET_FILE_SUFFIX:SDL2_image>"
# BYPRODUCTS "libSDL2_image$<$<CONFIG:Debug>:${SDL2IMAGE_DEBUG_POSTFIX}>$<TARGET_FILE_SUFFIX:SDL2_image>" # Needs CMake 3.20
WORKING_DIRECTORY "${PROJECT_BINARY_DIR}"
)
endif()
if(SDL2IMAGE_BUILD_SHARED_LIBS)
if(WIN32 OR OS2)
set_target_properties(SDL2_image PROPERTIES
PREFIX ""
)
endif()
if(OS2)
# OS/2 doesn't support a DLL name longer than 8 characters.
set_target_properties(SDL2_image PROPERTIES
OUTPUT_NAME "SDL2img"
)
elseif(UNIX AND NOT ANDROID)
set_target_properties(SDL2_image PROPERTIES
OUTPUT_NAME "SDL2_image-${LT_RELEASE}"
)
endif()
else()
if(MSVC OR (WATCOM AND (WIN32 OR OS2)))
set_target_properties(SDL2_image PROPERTIES
OUTPUT_NAME "SDL2_image-static"
)
endif()
endif()
# Use `Compatible Interface Properties` to ensure a shared SDL2_image is built with a shared SDL2
if(SDL2IMAGE_BUILD_SHARED_LIBS)
set_property(TARGET SDL2_image PROPERTY INTERFACE_SDL2_SHARED ${SDL2IMAGE_BUILD_SHARED_LIBS})
set_property(TARGET SDL2_image APPEND PROPERTY COMPATIBLE_INTERFACE_BOOL SDL2_SHARED)
endif()
if(SDL2IMAGE_BUILD_SHARED_LIBS)
sdl_target_link_options_no_undefined(SDL2_image)
endif()
if(SDL2IMAGE_BUILD_SHARED_LIBS)
# Make sure static library dependencies are built with -fPIC when building a shared SDL2_image
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
endif()
set(INSTALL_EXTRA_TARGETS)
set(PC_LIBS)
set(PC_REQUIRES)
set(SDL2IMAGE_BACKENDS)
list(APPEND SDL2IMAGE_BACKENDS STB)
set(SDL2IMAGE_STB_ENABLED FALSE)
if(SDL2IMAGE_BACKEND_STB)
set(SDL2IMAGE_STB_ENABLED TRUE)
target_compile_definitions(SDL2_image PRIVATE USE_STBIMAGE)
endif()
list(APPEND SDL2IMAGE_BACKENDS IMAGEIO)
set(SDL2IMAGE_IMAGEIO_ENABLED FALSE)
if(APPLE)
if(SDL2IMAGE_BACKEND_IMAGEIO)
set(SDL2IMAGE_IMAGEIO_ENABLED TRUE)
if(CMAKE_SYSTEM_NAME MATCHES ".*(Darwin|MacOS).*")
target_link_libraries(SDL2_image PRIVATE -Wl,-framework,ApplicationServices)
endif()
target_link_libraries(SDL2_image PRIVATE objc)
target_sources(SDL2_image PRIVATE
src/IMG_ImageIO.m
)
if (SDL2IMAGE_PNG AND NOT SDL2IMAGE_BACKEND_STB)
target_compile_definitions(SDL2_image PRIVATE PNG_USES_IMAGEIO)
endif()
if (SDL2IMAGE_JPG AND NOT SDL2IMAGE_BACKEND_STB)
target_compile_definitions(SDL2_image PRIVATE JPG_USES_IMAGEIO)
endif()
else()
target_compile_definitions(SDL2_image PRIVATE SDL_IMAGE_USE_COMMON_BACKEND)
endif()
endif()
list(APPEND SDL2IMAGE_BACKENDS WIC)
set(SDL2IMAGE_WIC_ENABLED FALSE)
if(SDL2IMAGE_BACKEND_WIC)
set(SDL2IMAGE_WIC_ENABLED TRUE)
target_compile_definitions(SDL2_image PRIVATE SDL_IMAGE_USE_WIC_BACKEND)
endif()
if(SDL2IMAGE_ZLIB)
if(SDL2IMAGE_ZLIB_VENDORED)
message(STATUS "${PROJECT_NAME}: Using vendored zlib")
# disable build of zlib example programs:
set(ZLIB_BUILD_EXAMPLES OFF CACHE BOOL "zlib examples" FORCE)
sdl_check_project_in_subfolder(external/zlib zlib SDL2IMAGE_VENDORED)
add_subdirectory(external/zlib EXCLUDE_FROM_ALL)
set(ZLIB_ROOT "${CMAKE_CURRENT_SOURCE_DIR}/external/zlib;${CMAKE_CURRENT_BINARY_DIR}/external/zlib")
# ZLIB_INCLUDE_DIR variable is used by vendored libpng
set(ZLIB_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/external/zlib;${CMAKE_CURRENT_BINARY_DIR}/external/zlib" CACHE STRING "path of zlib, passed to libpng" FORCE)
# ZLIB_LIBRARY variable is used by vendored libpng
if(SDL2IMAGE_ZLIB_SHARED)
set(ZLIB_LIBRARY zlib)
else()
set(ZLIB_LIBRARY zlibstatic)
set(SKIP_INSTALL_CONFIG_FILE ON)
endif()
if(NOT TARGET ZLIB::ZLIB)
add_library(ZLIB::ZLIB ALIAS ${ZLIB_LIBRARY})
endif()
# ZLIB_INCLUDE_DIRS variable is used by vendored libpng
set(ZLIB_INCLUDE_DIRS "${ZLIB_INCLUDE_DIR}")
# ZLIB_LIBRARIES variable is used by vendored libpng
set(ZLIB_LIBRARIES "${ZLIB_LIBRARY}")
list(APPEND INSTALL_EXTRA_TARGETS ${ZLIB_LIBRARY})
set_target_properties(${ZLIB_LIBRARY} PROPERTIES EXPORT_NAME external_zlib)
add_library(SDL2_image::external_zlib ALIAS ${ZLIB_LIBRARY})
else()
message(FATAL_ERROR "Internal error (zlib is only required when requesting vendored dependencies)")
endif()
endif()
if(SDL2IMAGE_DAV1D)
if(SDL2IMAGE_DAV1D_VENDORED)
message(STATUS "${PROJECT_NAME}: Using vendored dav1d")
add_subdirectory(external/dav1d)
set(DAV1D_LIBRARY dav1d)
list(APPEND INSTALL_EXTRA_TARGETS dav1d)
else()
message(FATAL_ERROR "Internal error (dav1d is only required when requesting vendored dependencies)")
endif()
endif()
list(APPEND SDL2IMAGE_BACKENDS AVIF)
set(SDL2IMAGE_AVIF_ENABLED FALSE)
if(SDL2IMAGE_AVIF)
if(SDL2IMAGE_AVIF_VENDORED)
set(SDL2IMAGE_AVIF_ENABLED TRUE)
message(STATUS "${PROJECT_NAME}: Using vendored libavif")
sdl_check_project_in_subfolder(external/libavif libavif SDL2IMAGE_VENDORED)
set(BUILD_SHARED_LIBS ${SDL2IMAGE_AVIF_SHARED})
set(AVIF_CODEC_DAV1D ON CACHE BOOL "Use dav1d codec for decoding" FORCE)
set(AVIF_LOCAL_DAV1D OFF CACHE BOOL "Build dav1d by libaf" FORCE)
#FIXME: This requires upgrading vendored libwebp to >= 1.2.4.
#set(LIBAVIF_WITH_SHARPYUV_SDLIMAGE ${SDL2IMAGE_WEBP} CACHE BOOL "Build libavif with sharpyuv support (re-use sharpyuv built by libwebp)" FORCE)
add_subdirectory(external/libavif EXCLUDE_FROM_ALL)
list(APPEND INSTALL_EXTRA_TARGETS avif)
set_target_properties(avif PROPERTIES EXPORT_NAME external_libavif)
add_library(SDL2_image::external_libavif ALIAS avif)
if(NOT SDL2IMAGE_AVIF_SHARED)
list(APPEND PC_LIBS -l$<TARGET_FILE_BASE_NAME:avif>)
endif()
if(NOT MSVC AND NOT CMAKE_SYSTEM_NAME MATCHES ".*OpenBSD.*")
check_linker_flag(C "-Wl,--no-undefined" LINKER_SUPPORTS_WL_NO_UNDEFINED)
if(LINKER_SUPPORTS_WL_NO_UNDEFINED)
target_link_options(avif PRIVATE "-Wl,--no-undefined")
endif()
endif()
else()
find_package(libavif 1.0 QUIET)
if(NOT libavif_FOUND)
message(STATUS "libavif-1.0 or compatible not found")
find_package(libavif ${LIBAVIF_MINIMUM_VERSION} QUIET)
endif()
if(libavif_FOUND)
set(SDL2IMAGE_AVIF_ENABLED TRUE)
message(STATUS "${PROJECT_NAME}: Using system libavif")
message(STATUS "libavif-${libavif_VERSION} found")
if(NOT SDL2IMAGE_AVIF_SHARED)
list(APPEND PC_REQUIRES libavif)
endif()
else()
message(STATUS "libavif-${LIBAVIF_MINIMUM_VERSION} or compatible not found")
message(${fatal_error} "libavif NOT found")
endif()
endif()
if(SDL2IMAGE_AVIF_ENABLED)
target_compile_definitions(SDL2_image PRIVATE LOAD_AVIF)
if(SDL2IMAGE_AVIF_SHARED)
target_include_directories(SDL2_image PRIVATE
$<TARGET_PROPERTY:avif,INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:avif,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:avif,INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
)
target_get_dynamic_library(dynamic_avif avif)
message(STATUS "Dynamic libavif: ${dynamic_avif}")
target_compile_definitions(SDL2_image PRIVATE "LOAD_AVIF_DYNAMIC=\"${dynamic_avif}\"")
if(SDL2IMAGE_AVIF_VENDORED)
add_dependencies(SDL2_image avif)
endif()
else()
target_link_libraries(SDL2_image PRIVATE avif)
endif()
endif()
endif()
list(APPEND SDL2IMAGE_BACKENDS BMP)
set(SDL2IMAGE_BMP_ENABLED FALSE)
if(SDL2IMAGE_BMP)
set(SDL2IMAGE_BMP_ENABLED TRUE)
target_compile_definitions(SDL2_image PRIVATE LOAD_BMP)
endif()
list(APPEND SDL2IMAGE_BACKENDS GIF)
set(SDL2IMAGE_GIF_ENABLED FALSE)
if(SDL2IMAGE_GIF)
set(SDL2IMAGE_GIF_ENABLED TRUE)
target_compile_definitions(SDL2_image PRIVATE LOAD_GIF)
endif()
list(APPEND SDL2IMAGE_BACKENDS JPG)
set(SDL2IMAGE_JPG_ENABLED FALSE)
if(SDL2IMAGE_JPG)
if(SDL2IMAGE_BACKEND_STB OR SDL2IMAGE_BACKEND_WIC OR SDL2IMAGE_BACKEND_IMAGEIO)
set(SDL2IMAGE_JPG_ENABLED TRUE)
else()
if(SDL2IMAGE_JPG_VENDORED)
set(SDL2IMAGE_JPG_ENABLED TRUE)
message(STATUS "${PROJECT_NAME}: Using vendored libjpeg")
sdl_check_project_in_subfolder(external/jpeg libjpeg SDL2IMAGE_VENDORED)
set(BUILD_SHARED_LIBS ${SDL2IMAGE_JPG_SHARED})
add_subdirectory(external/jpeg EXCLUDE_FROM_ALL)
list(APPEND INSTALL_EXTRA_TARGETS jpeg)
set_target_properties(jpeg PROPERTIES EXPORT_NAME external_libjpeg)
add_library(SDL2_image::external_libjpeg ALIAS jpeg)
if(NOT SDL2IMAGE_JPG_SHARED)
list(APPEND PC_LIBS -l$<TARGET_FILE_BASE_NAME:jpeg>)
endif()
else()
find_package(JPEG ${required})
if(JPEG_FOUND)
set(SDL2IMAGE_JPG_ENABLED TRUE)
message(STATUS "${PROJECT_NAME}: Using system libjpeg")
if(NOT SDL2IMAGE_JPG_SHARED)
list(APPEND PC_REQUIRES libjpeg)
endif()
else()
message(${fatal_error} "libjpeg NOT found")
endif()
endif()
if(SDL2IMAGE_JPG_ENABLED)
if(SDL2IMAGE_JPG_SHARED)
target_include_directories(SDL2_image PRIVATE
$<TARGET_PROPERTY:JPEG::JPEG,INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:JPEG::JPEG,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:JPEG::JPEG,INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
)
target_get_dynamic_library(dynamic_jpeg JPEG::JPEG)
message(STATUS "Dynamic libjpeg: ${dynamic_jpeg}")
target_compile_definitions(SDL2_image PRIVATE "LOAD_JPG_DYNAMIC=\"${dynamic_jpeg}\"")
if(SDL2IMAGE_JPG_VENDORED)
add_dependencies(SDL2_image JPEG::JPEG)
endif()
else()
target_link_libraries(SDL2_image PRIVATE JPEG::JPEG)
endif()
endif()
endif()
if(SDL2IMAGE_JPG_ENABLED)
target_compile_definitions(SDL2_image PRIVATE
LOAD_JPG
SDL_IMAGE_SAVE_JPG=$<BOOL:${SDL2IMAGE_JPG_SAVE}>
)
endif()
endif()
list(APPEND SDL2IMAGE_BACKENDS JXL)
set(SDL2IMAGE_JXL_ENABLED FALSE)
if(SDL2IMAGE_JXL)
if(SDL2IMAGE_JXL_VENDORED)
set(SDL2IMAGE_JXL_ENABLED TRUE)
enable_language(CXX)
message(STATUS "${PROJECT_NAME}: Using vendored libjxl")
# BUILD_TESTING variable is used by libjxl
set(BUILD_TESTING OFF CACHE BOOL "build testing" FORCE)
# JPEGXL_ENABLE_TOOLS variable is used by libjxl
set(JPEGXL_ENABLE_JNI OFF CACHE BOOL "build jpegxl jni" FORCE)
# JPEGXL_ENABLE_MANPAGES variable is used by libjxl
set(JPEGXL_ENABLE_MANPAGES OFF CACHE BOOL "libjxl manpage option" FORCE)
# JPEGXL_ENABLE_PLUGINS variable is used by libjxl
set(JPEGXL_ENABLE_PLUGINS OFF CACHE BOOL "libjxl manpage option" FORCE)
# JPEGXL_ENABLE_SKCMS variable is used by libjxl
set(JPEGXL_ENABLE_SKCMS OFF CACHE BOOL "libjxl skcms option" FORCE)
# JPEGXL_FORCE_SYSTEM_HWY variable is used by libjxl
set(JPEGXL_FORCE_SYSTEM_HWY OFF CACHE BOOL "libjxl highway option" FORCE)
sdl_check_project_in_subfolder(external/libjxl libjxl SDL2IMAGE_VENDORED)
set(BUILD_SHARED_LIBS ${SDL2IMAGE_JXL_SHARED})
add_subdirectory(external/libjxl EXCLUDE_FROM_ALL)
if(BUILD_SHARED_LIBS)
set(jxl_lib jxl)
list(APPEND INSTALL_EXTRA_TARGETS brotlidec brotlicommon brotlienc hwy ${jxl_lib})
if(NOT SDL2IMAGE_JXL_SHARED)
list(APPEND PC_LIBS
-l$<TARGET_FILE_BASE_NAME:brotlidec> -l$<TARGET_FILE_BASE_NAME:brotlicommon>
-l$<TARGET_FILE_BASE_NAME:brotlienc> -l$<TARGET_FILE_BASE_NAME:${jxl_lib}>
)
endif()
else()
set(jxl_lib jxl_dec-static)
list(APPEND INSTALL_EXTRA_TARGETS brotlidec brotlicommon hwy ${jxl_lib})
endif()
set_target_properties(${jxl_lib} PROPERTIES EXPORT_NAME external_libjxl)
add_library(SDL2_image::external_libjxl ALIAS ${jxl_lib})
if(NOT TARGET libjxl::libjxl)
add_library(libjxl::libjxl ALIAS ${jxl_lib})
endif()
else()
find_package(libjxl ${required})
if(libjxl_FOUND)
set(SDL2IMAGE_JXL_ENABLED TRUE)
message(STATUS "${PROJECT_NAME}: Using system libjxl")
if(NOT SDL2IMAGE_JXL_SHARED)
list(APPEND PC_REQUIRES libjxl)
endif()
else()
message(${fatal_error} "libjxl NOT found")
endif()
endif()
if(SDL2IMAGE_JXL_ENABLED)
target_compile_definitions(SDL2_image PRIVATE LOAD_JXL)
if(SDL2IMAGE_JXL_SHARED)
target_include_directories(SDL2_image PRIVATE
$<TARGET_PROPERTY:libjxl::libjxl,INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:libjxl::libjxl,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:libjxl::libjxl,INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
)
target_get_dynamic_library(dynamic_jxl libjxl::libjxl)
message(STATUS "Dynamic libjxl: ${dynamic_jxl}")
target_compile_definitions(SDL2_image PRIVATE "LOAD_JXL_DYNAMIC=\"${dynamic_jxl}\"")
if(SDL2IMAGE_JXL_VENDORED)
add_dependencies(SDL2_image libjxl::libjxl)
endif()
else()
target_link_libraries(SDL2_image PRIVATE libjxl::libjxl)
endif()
endif()
endif()
list(APPEND SDL2IMAGE_BACKENDS LBM)
set(SDL2IMAGE_LBM_ENABLED FALSE)
if(SDL2IMAGE_LBM)
set(SDL2IMAGE_LBM_ENABLED TRUE)
target_compile_definitions(SDL2_image PRIVATE LOAD_LBM)
endif()
list(APPEND SDL2IMAGE_BACKENDS PCX)
set(SDL2IMAGE_PCX_ENABLED FALSE)
if(SDL2IMAGE_PCX)
set(SDL2IMAGE_PCX_ENABLED TRUE)
target_compile_definitions(SDL2_image PRIVATE LOAD_PCX)
endif()
list(APPEND SDL2IMAGE_BACKENDS PNG)
set(SDL2IMAGE_PNG_ENABLED FALSE)
if(SDL2IMAGE_PNG)
if(SDL2IMAGE_BACKEND_STB OR SDL2IMAGE_BACKEND_WIC OR SDL2IMAGE_BACKEND_IMAGEIO)
set(SDL2IMAGE_PNG_ENABLED TRUE)
else()
if(SDL2IMAGE_PNG_VENDORED)
set(SDL2IMAGE_PNG_ENABLED TRUE)
message(STATUS "${PROJECT_NAME}: Using vendored libpng")
sdl_check_project_in_subfolder(external/libpng libpng SDL2IMAGE_VENDORED)
add_subdirectory(external/libpng EXCLUDE_FROM_ALL)
if(SDL2IMAGE_PNG_SHARED)
set(PNG_LIBRARY png_shared)
else()
set(PNG_LIBRARY png_static)
endif()
add_library(PNG::PNG ALIAS ${PNG_LIBRARY})
target_include_directories(SDL2_image PRIVATE external/libpng)
list(APPEND INSTALL_EXTRA_TARGETS ${PNG_LIBRARY})
set_target_properties(${PNG_LIBRARY} PROPERTIES EXPORT_NAME external_libpng)
add_library(SDL2_image::external_libpng ALIAS ${PNG_LIBRARY})
if(NOT SDL2IMAGE_PNG_SHARED)
list(APPEND PC_LIBS -l$<TARGET_FILE_BASE_NAME:${PNG_LIBRARY}>)
if(SDL2IMAGE_ZLIB_VENDORED)
list(APPEND PC_LIBS -l$<TARGET_FILE_BASE_NAME:${ZLIB_LIBRARY}>)
else()
list(APPEND PC_REQUIRES zlib)
endif()
endif()
else()
find_package(PNG ${required})
if(PNG_FOUND)
set(SDL2IMAGE_PNG_ENABLED TRUE)
message(STATUS "${PROJECT_NAME}: Using system libpng")
if(NOT SDL2IMAGE_PNG_SHARED)
list(APPEND PC_REQUIRES libpng)
endif()
else()
message(${FATAL_ERROR} "libpng NOT found")
endif()
endif()
if(SDL2IMAGE_PNG_ENABLED)
if(SDL2IMAGE_PNG_SHARED)
target_include_directories(SDL2_image PRIVATE
$<TARGET_PROPERTY:PNG::PNG,INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:PNG::PNG,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:PNG::PNG,INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
)
target_get_dynamic_library(dynamic_png PNG::PNG)
message(STATUS "Dynamic libpng: ${dynamic_png}")
target_compile_definitions(SDL2_image PRIVATE "LOAD_PNG_DYNAMIC=\"${dynamic_png}\"")
if(SDL2IMAGE_PNG_VENDORED)
add_dependencies(SDL2_image PNG::PNG)
endif()
else()
target_link_libraries(SDL2_image PRIVATE PNG::PNG)
endif()
endif()
endif()
if(SDL2IMAGE_PNG_ENABLED)
target_compile_definitions(SDL2_image PRIVATE
LOAD_PNG
SDL_IMAGE_SAVE_PNG=$<BOOL:${SDL2IMAGE_PNG_SAVE}>
)
endif()
endif()
list(APPEND SDL2IMAGE_BACKENDS PNM)
set(SDL2IMAGE_PNM_ENABLED FALSE)
if(SDL2IMAGE_PNM)
set(SDL2IMAGE_PNM_ENABLED TRUE)
target_compile_definitions(SDL2_image PRIVATE LOAD_PNM)
endif()
list(APPEND SDL2IMAGE_BACKENDS QOI)
set(SDL2IMAGE_QOI_ENABLED FALSE)
if(SDL2IMAGE_QOI)
set(SDL2IMAGE_QOI_ENABLED TRUE)
target_compile_definitions(SDL2_image PRIVATE LOAD_QOI)
endif()
list(APPEND SDL2IMAGE_BACKENDS SVG)
set(SDL2IMAGE_SVG_ENABLED FALSE)
if(SDL2IMAGE_SVG)
set(SDL2IMAGE_SVG_ENABLED TRUE)
target_compile_definitions(SDL2_image PRIVATE LOAD_SVG)
endif()
list(APPEND SDL2IMAGE_BACKENDS TGA)
set(SDL2IMAGE_TGA_ENABLED FALSE)
if(SDL2IMAGE_TGA)
set(SDL2IMAGE_TGA_ENABLED TRUE)
target_compile_definitions(SDL2_image PRIVATE LOAD_TGA)
endif()
list(APPEND SDL2IMAGE_BACKENDS TIF)
set(SDL2IMAGE_TIF_ENABLED FALSE)
if(SDL2IMAGE_TIF)
if(SDL2IMAGE_TIF_VENDORED)
set(SDL2IMAGE_TIF_ENABLED TRUE)
message(STATUS "${PROJECT_NAME}: Using vendored libtiff")
# jpeg variable is used by vendored libtiff
set(jpeg OFF CACHE BOOL "libtiff: jpeg option" FORCE)
# libdeflate variable is used by vendored libtiff
set(libdeflate OFF CACHE BOOL "libtiff: libdeflate option" FORCE)
# DEFLATE_FOUND variable is used by vendored libtiff
set(DEFLATE_FOUND OFF CACHE BOOL "libtiff: libdeflate option" FORCE)
# zlib variable is used by vendored libtiff (controls use of `find_package`)
set(zlib OFF CACHE BOOL "libtiff: find zlib using find_package" FORCE)
# ZLIB_FOUND is used by vendored libtiff
set(ZLIB_FOUND "")
# lzma variable is used by vendored libtiff
set(lzma OFF CACHE BOOL "libtiff: lzma option" FORCE)
# webp variable is used by vendored libtiff
set(webp OFF CACHE BOOL "libtiff: webp option" FORCE)
# zstd variable is used by vendored libtiff
set(zstd OFF CACHE BOOL "libtiff: zstd option" FORCE)
# ZSTD_FOUND variable is used by vendored libtiff
set(ZSTD_FOUND OFF)
# WEBP_LIBRARY variable is used by vendored libtiff
set(WEBP_LIBRARY "")
sdl_check_project_in_subfolder(external/libtiff libtiff SDL2IMAGE_VENDORED)
set(BUILD_SHARED_LIBS ${SDL2IMAGE_TIF_SHARED})
add_subdirectory(external/libtiff EXCLUDE_FROM_ALL)
add_library(TIFF::TIFF ALIAS tiff)
set(SDL2IMAGE_TIF_TARGET "TIFF::TIFF")
list(APPEND INSTALL_EXTRA_TARGETS tiff)
set_target_properties(tiff PROPERTIES EXPORT_NAME external_libtiff)
add_library(SDL2_image::external_libtiff ALIAS tiff)
if(NOT SDL2IMAGE_TIF_SHARED)
list(APPEND PC_LIBS -l$<TARGET_FILE_BASE_NAME:tiff>)
endif()
else()
find_package(TIFF ${required})
if(TIFF_FOUND)
set(SDL2IMAGE_TIF_ENABLED TRUE)
message(STATUS "${PROJECT_NAME}: Using system libtiff")
if(NOT SDL2IMAGE_TIF_SHARED)
list(APPEND PC_REQUIRES libtiff-4)
endif()
if(TARGET TIFF::tiff)
# Introduced in CMake 3.28
# TIFF::TIFF still exists, but it is an INTERFACE library linking to TIFF::tiff (no ALIAS library)
set(SDL2IMAGE_TIF_TARGET "TIFF::tiff")
else()
set(SDL2IMAGE_TIF_TARGET "TIFF::TIFF")
endif()
else()
message(${fatal_error} "libtiff NOT found")
endif()
endif()
if(SDL2IMAGE_TIF_ENABLED)
target_compile_definitions(SDL2_image PRIVATE LOAD_TIF)
if(SDL2IMAGE_TIF_SHARED)
target_include_directories(SDL2_image PRIVATE
$<TARGET_PROPERTY:${SDL2IMAGE_TIF_TARGET},INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:${SDL2IMAGE_TIF_TARGET},INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:${SDL2IMAGE_TIF_TARGET},INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
)
target_get_dynamic_library(dynamic_tif ${SDL2IMAGE_TIF_TARGET})
message(STATUS "Dynamic libtiff: ${dynamic_tif}")
target_compile_definitions(SDL2_image PRIVATE "LOAD_TIF_DYNAMIC=\"${dynamic_tif}\"")
if(SDL2IMAGE_TIF_VENDORED)
add_dependencies(SDL2_image ${SDL2IMAGE_TIF_TARGET})
endif()
else()
target_link_libraries(SDL2_image PRIVATE ${SDL2IMAGE_TIF_TARGET})
endif()
endif()
endif()
list(APPEND SDL2IMAGE_BACKENDS WEBP)
set(SDL2IMAGE_WEBP_ENABLED FALSE)
if(SDL2IMAGE_WEBP)
# missing cpufeatures
if(SDL2IMAGE_WEBP_VENDORED)
set(SDL2IMAGE_WEBP_ENABLED TRUE)
message(STATUS "${PROJECT_NAME}: Using vendored libwebp")
sdl_check_project_in_subfolder(external/libwebp libwebp SDL2IMAGE_VENDORED)
set(BUILD_SHARED_LIBS ${SDL2IMAGE_WEBP_SHARED})
add_subdirectory(external/libwebp EXCLUDE_FROM_ALL)
target_include_directories(SDL2_image PRIVATE external/libwebp/src)
add_library(WebP::webp ALIAS webp)
add_library(WebP::webpdemux ALIAS webpdemux)
list(APPEND INSTALL_EXTRA_TARGETS webp webpdemux)
set_target_properties(webp PROPERTIES EXPORT_NAME "external_libwebp")
add_library(SDL2_image::external_libwebp ALIAS webp)
else()
find_package(webp ${required})
if(webp_FOUND)
set(SDL2IMAGE_WEBP_ENABLED TRUE)
message(STATUS "${PROJECT_NAME}: Using system libwebp")
if(NOT SDL2IMAGE_WEBP_SHARED)
list(APPEND PC_REQUIRES libwebp libwebpdemux)
endif()
else()
message(${fatal_error} "libwebp NOT found")
endif()
endif()
if(SDL2IMAGE_WEBP_ENABLED)
target_compile_definitions(SDL2_image PRIVATE LOAD_WEBP)
if(SDL2IMAGE_WEBP_SHARED)
target_include_directories(SDL2_image PRIVATE
$<TARGET_PROPERTY:WebP::webp,INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:WebP::webp,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:WebP::webp,INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:WebP::webpdemux,INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:WebP::webpdemux,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:WebP::webpdemux,INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
)
target_get_dynamic_library(dynamic_webpdemux WebP::webpdemux)
message(STATUS "Dynamic libwebpdemux: ${dynamic_webpdemux}")
target_compile_definitions(SDL2_image PRIVATE "LOAD_WEBPDEMUX_DYNAMIC=\"${dynamic_webpdemux}\"")
target_get_dynamic_library(dynamic_webp WebP::webp)
message(STATUS "Dynamic libwebp: ${dynamic_webp}")
target_compile_definitions(SDL2_image PRIVATE "LOAD_WEBP_DYNAMIC=\"${dynamic_webp}\"")
if(SDL2IMAGE_WEBP_VENDORED)
add_dependencies(SDL2_image WebP::webp WebP::webpdemux)
endif()
else()
target_link_libraries(SDL2_image PRIVATE WebP::webp WebP::webpdemux)
endif()
endif()
endif()
list(APPEND SDL2IMAGE_BACKENDS XCF)
set(SDL2IMAGE_XCF_ENABLED FALSE)
if(SDL2IMAGE_XCF)
set(SDL2IMAGE_XCF_ENABLED TRUE)
target_compile_definitions(SDL2_image PRIVATE LOAD_XCF)
endif()
list(APPEND SDL2IMAGE_BACKENDS XPM)
set(SDL2IMAGE_XPM_ENABLED FALSE)
if(SDL2IMAGE_XPM)
set(SDL2IMAGE_XPM_ENABLED TRUE)
target_compile_definitions(SDL2_image PRIVATE LOAD_XPM)
endif()
list(APPEND SDL2IMAGE_BACKENDS XV)
set(SDL2IMAGE_XV_ENABLED FALSE)
if(SDL2IMAGE_XV)
set(SDL2IMAGE_XV_ENABLED TRUE)
target_compile_definitions(SDL2_image PRIVATE LOAD_XV)
endif()
# Restore BUILD_SHARED_LIBS
set(BUILD_SHARED_LIBS ${SDL2IMAGE_BUILD_SHARED_LIBS})
if(SDL2IMAGE_INSTALL)
install(
TARGETS SDL2_image
EXPORT SDL2ImageExports
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}" COMPONENT devel
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}" COMPONENT library
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" COMPONENT library
)
install(
FILES "${CMAKE_CURRENT_SOURCE_DIR}/include/SDL_image.h"
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/SDL2" COMPONENT DEVEL
)
if(INSTALL_EXTRA_TARGETS)
install(
TARGETS ${INSTALL_EXTRA_TARGETS}
EXPORT SDL2ImageExports
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}" COMPONENT devel
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}" COMPONENT library
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" COMPONENT library
PUBLIC_HEADER DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}" COMPONENT devel
)
endif()
if(WIN32 AND NOT MINGW)
set(SDLIMAGE_INSTALL_CMAKEDIR_DEFAULT "cmake")
else()
set(SDLIMAGE_INSTALL_CMAKEDIR_DEFAULT "${CMAKE_INSTALL_LIBDIR}/cmake/SDL2_image")
endif()
set(SDLIMAGE_INSTALL_CMAKEDIR "${SDLIMAGE_INSTALL_CMAKEDIR_DEFAULT}" CACHE STRING "Location where to install SDL2_imageConfig.cmake")
configure_package_config_file(SDL2_imageConfig.cmake.in SDL2_imageConfig.cmake
INSTALL_DESTINATION "${SDLIMAGE_INSTALL_CMAKEDIR}"
)
write_basic_package_version_file("${PROJECT_BINARY_DIR}/SDL2_imageConfigVersion.cmake"
VERSION ${FULL_VERSION}
COMPATIBILITY AnyNewerVersion
)
install(
FILES
"${CMAKE_CURRENT_BINARY_DIR}/SDL2_imageConfig.cmake"
"${CMAKE_CURRENT_BINARY_DIR}/SDL2_imageConfigVersion.cmake"
cmake/Findlibjxl.cmake
cmake/Findwebp.cmake
DESTINATION "${SDLIMAGE_INSTALL_CMAKEDIR}"
COMPONENT devel
)
install(EXPORT SDL2ImageExports
FILE SDL2_image-${sdl2_image_install_name_infix}-targets.cmake
NAMESPACE SDL2_image::
DESTINATION "${SDLIMAGE_INSTALL_CMAKEDIR}"
COMPONENT devel
)
set(prefix "${CMAKE_INSTALL_PREFIX}")
set(exec_prefix "\${prefix}")
set(libdir "\${exec_prefix}/${CMAKE_INSTALL_LIBDIR}")
set(includedir "\${prefix}/${CMAKE_INSTALL_INCLUDEDIR}")
set(PACKAGE "${PROJECT_NAME}")
set(VERSION "${FULL_VERSION}")
set(SDL_VERSION "${SDL_REQUIRED_VERSION}")
string(JOIN " " PC_REQUIRES ${PC_REQUIRES})
string(JOIN " " PC_LIBS ${PC_LIBS})
configure_file("${PROJECT_SOURCE_DIR}/SDL2_image.pc.in" "${CMAKE_CURRENT_BINARY_DIR}/SDL2_image.pc.intermediate" @ONLY)
file(GENERATE OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/SDL2_image-$<CONFIG>.pc" INPUT "${CMAKE_CURRENT_BINARY_DIR}/SDL2_image.pc.intermediate")
set(PC_DESTDIR)
if(CMAKE_SYSTEM_NAME MATCHES FreeBSD)
# FreeBSD uses ${PREFIX}/libdata/pkgconfig
set(PC_DESTDIR "libdata/pkgconfig")
else()
set(PC_DESTDIR "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
endif()
# Always install SDL2_net.pc file: libraries might be different between config modes
install(CODE "
# FIXME: use file(COPY_FILE) if minimum CMake version >= 3.21
execute_process(COMMAND \"\${CMAKE_COMMAND}\" -E copy_if_different
\"${CMAKE_CURRENT_BINARY_DIR}/SDL2_image-$<CONFIG>.pc\"
\"${CMAKE_CURRENT_BINARY_DIR}/SDL2_image.pc\")
file(INSTALL DESTINATION \"\${CMAKE_INSTALL_PREFIX}/${PC_DESTDIR}\"
TYPE FILE
FILES \"${CMAKE_CURRENT_BINARY_DIR}/SDL2_image.pc\")" COMPONENT devel)
if(SDL2IMAGE_BUILD_SHARED_LIBS AND (APPLE OR (UNIX AND NOT ANDROID)))
install(
FILES
"${PROJECT_BINARY_DIR}/libSDL2_image$<$<CONFIG:Debug>:${SDL2IMAGE_DEBUG_POSTFIX}>$<TARGET_FILE_SUFFIX:SDL2_image>"
DESTINATION "${CMAKE_INSTALL_LIBDIR}"
COMPONENT devel
)
endif()
install(FILES "LICENSE.txt"
DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/licenses/${PROJECT_NAME}"
COMPONENT library
)
endif()
if(SDL2IMAGE_SAMPLES)
add_executable(showanim examples/showanim.c)
add_executable(showimage examples/showimage.c)
find_package(SDL2main)
foreach(prog showanim showimage)
# FIXME: mingw should be handled by SDL2::SDL2(-static) target
if(MINGW)
target_link_libraries(${prog} PRIVATE mingw32)
target_link_options(${prog} PRIVATE -mwindows)
endif()
target_link_libraries(${prog} PRIVATE SDL2_image::${sdl2_image_export_name})
if(TARGET SDL2::SDL2main)
target_link_libraries(${prog} PRIVATE SDL2::SDL2main)
endif()
target_link_libraries(${prog} PRIVATE ${sdl2_target_name})
if(SDL2IMAGE_SAMPLES_INSTALL)
install(TARGETS ${prog}
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
)
endif()
endforeach()
endif()
add_library(SDL2::image INTERFACE IMPORTED GLOBAL)
set_target_properties(SDL2::image PROPERTIES
INTERFACE_LINK_LIBRARIES "SDL2_image"
)
if(CMAKE_VERSION VERSION_GREATER_EQUAL "3.17")
set_target_properties(SDL2::image PROPERTIES
DEPRECATION "Use SDL2_image::SDL2_image or SDL2_image::SDL2_image-static instead"
)
endif()
if(SDL2IMAGE_TESTS)
enable_testing()
add_subdirectory(test)
endif()
set(available_deps)
set(unavailable_deps)
foreach(dep IN LISTS SDL2IMAGE_BACKENDS)
set(var SDL2IMAGE_${dep}_ENABLED)
if(NOT DEFINED ${var})
message(AUTHOR_WARNING "${var} not defined")
endif()
if(${var})
list(APPEND available_deps ${dep})
else()
list(APPEND unavailable_deps ${dep})
endif()
endforeach()
string(JOIN " " avail_str ${available_deps})
string(TOLOWER "${avail_str}" avail_str)
string(JOIN " " unavail_str ${unavailable_deps})
string(TOLOWER "${unavail_str}" unavail_str)
message(STATUS "SDL2_image backends:")
message(STATUS "- enabled: ${avail_str}")
message(STATUS "- disabled: ${unavail_str}")
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