add_library(SDL3-collector INTERFACE) add_library(SDL3_test-collector INTERFACE) # Use sdl_glob_sources to add glob sources to SDL3-shared, to SDL3-static, or to both. function(sdl_glob_sources) cmake_parse_arguments(ARGS "" "" "SHARED;STATIC" ${ARGN}) file(GLOB shared_sources ${ARGS_SHARED}) file(GLOB static_sources ${ARGS_STATIC}) file(GLOB both_sources ${ARGS_UNPARSED_ARGUMENTS}) if(TARGET SDL3-shared) target_sources(SDL3-shared PRIVATE ${shared_sources} ${both_sources}) endif() if(TARGET SDL3-static) target_sources(SDL3-static PRIVATE ${static_sources} ${both_sources}) endif() set_property(TARGET SDL3-collector APPEND PROPERTY INTERFACE_SOURCES ${shared_sources} ${static_sources} ${both_sources}) endfunction() # Use sdl_sources to add sources to SDL3-shared, to SDL3-static, or to both. function(sdl_sources) cmake_parse_arguments(ARGS "" "" "SHARED;STATIC" ${ARGN}) if(TARGET SDL3-shared) target_sources(SDL3-shared PRIVATE ${ARGS_SHARED} ${ARGS_UNPARSED_ARGUMENTS}) endif() if(TARGET SDL3-static) target_sources(SDL3-static PRIVATE ${ARGS_STATIC} ${ARGS_UNPARSED_ARGUMENTS}) endif() set_property(TARGET SDL3-collector APPEND PROPERTY INTERFACE_SOURCES ${ARGS_SHARED} ${ARGS_STATIC} ${ARGS_UNPARSED_ARGUMENTS}) endfunction() # Use sdl_generic_link_dependency to describe a private depency of SDL3. All options are optional. # Users should use sdl_link_dependency and sdl_test_link_dependency instead # - SHARED_TARGETS: shared targets to add this dependency to # - STATIC_TARGETS: static targets to add this dependency to # - COLLECTOR: target that stores information, for pc and Config.cmake generation. # - INCLUDES: the include directories of the dependency # - PKG_CONFIG_PREFIX: name of the prefix, when using the functions of FindPkgConfig # - PKG_CONFIG_SPECS: pkg-config spec, used as argument for the functions of FindPkgConfig # - PKG_CONFIG_LIBS: libs that will only end up in the Libs.private of sdl3.pc # - CMAKE_MODULE: CMake module name of the dependency, used as argument of find_package # - LIBS: list of libraries to link to # - LINK_OPTIONS: list of link options function(sdl_generic_link_dependency ID) cmake_parse_arguments(ARGS "" "COLLECTOR" "SHARED_TARGETS;STATIC_TARGETS;INCLUDES;PKG_CONFIG_LIBS;PKG_CONFIG_PREFIX;PKG_CONFIG_SPECS;CMAKE_MODULE;LIBS;LINK_OPTIONS" ${ARGN}) foreach(target IN LISTS ARGS_SHARED_TARGETS) if(TARGET ${target}) target_include_directories(${target} SYSTEM PRIVATE ${ARGS_INCLUDES}) target_link_libraries(${target} PRIVATE ${ARGS_LIBS}) target_link_options(${target} PRIVATE ${ARGS_LINK_OPTIONS}) endif() endforeach() foreach(target IN LISTS ARGS_STATIC_TARGETS) if(TARGET ${target}) target_include_directories(${target} SYSTEM PRIVATE ${ARGS_INCLUDES}) target_link_libraries(${target} PRIVATE ${ARGS_LIBS}) target_link_options(${target} INTERFACE ${ARGS_LINK_OPTIONS}) endif() endforeach() get_property(ids TARGET ${ARGS_COLLECTOR} PROPERTY INTERFACE_SDL_DEP_IDS) if(NOT ID IN_LIST ids) set_property(TARGET ${ARGS_COLLECTOR} APPEND PROPERTY INTERFACE_SDL_DEP_IDS ${ID}) endif() set_property(TARGET ${ARGS_COLLECTOR} APPEND PROPERTY INTERFACE_SDL_DEP_${ID}_PKG_CONFIG_PREFIX ${ARGS_PKG_CONFIG_PREFIX}) set_property(TARGET ${ARGS_COLLECTOR} APPEND PROPERTY INTERFACE_SDL_DEP_${ID}_PKG_CONFIG_SPECS ${ARGS_PKG_CONFIG_SPECS}) set_property(TARGET ${ARGS_COLLECTOR} APPEND PROPERTY INTERFACE_SDL_DEP_${ID}_PKG_CONFIG_LIBS ${ARGS_PKG_CONFIG_LIBS}) set_property(TARGET ${ARGS_COLLECTOR} APPEND PROPERTY INTERFACE_SDL_DEP_${ID}_LIBS ${ARGS_LIBS}) set_property(TARGET ${ARGS_COLLECTOR} APPEND PROPERTY INTERFACE_SDL_DEP_${ID}_LINK_OPTIONS ${ARGS_LINK_OPTIONS}) set_property(TARGET ${ARGS_COLLECTOR} APPEND PROPERTY INTERFACE_SDL_DEP_${ID}_CMAKE_MODULE ${ARGS_CMAKE_MODULE}) set_property(TARGET ${ARGS_COLLECTOR} APPEND PROPERTY INTERFACE_SDL_DEP_${ID}_INCLUDES ${ARGS_INCLUDES}) endfunction() function(sdl_link_dependency ) sdl_generic_link_dependency(${ARGN} COLLECTOR SDL3-collector SHARED_TARGETS SDL3-shared STATIC_TARGETS SDL3-static) endfunction() function(sdl_test_link_dependency ) sdl_generic_link_dependency(${ARGN} COLLECTOR SDL3_test-collector STATIC_TARGETS SDL3_test) endfunction() macro(_get_ARGS_visibility) set(_conflict FALSE) set(visibility) if(ARGS_PRIVATE) set(visibility PRIVATE) elseif(ARGS_PUBLIC) if(visibility) set(_conflict TRUE) endif() set(visibility PUBLIC) elseif(ARGS_INTERFACE) if(visibility) set(_conflict TRUE) endif() set(visibility INTERFACE) endif() if(_conflict OR NOT visibility) message(FATAL_ERROR "PRIVATE/PUBLIC/INTERFACE must be used exactly once") endif() unset(_conflict) endmacro() # Use sdl_link_dependency to add compile definitions to the SDL3 libraries. function(sdl_compile_definitions) cmake_parse_arguments(ARGS "PRIVATE;PUBLIC;INTERFACE;NO_EXPORT" "" "" ${ARGN}) _get_ARGS_visibility() if(TARGET SDL3-shared) target_compile_definitions(SDL3-shared ${visibility} ${ARGS_UNPARSED_ARGUMENTS}) endif() if(TARGET SDL3-static) target_compile_definitions(SDL3-static ${visibility} ${ARGS_UNPARSED_ARGUMENTS}) endif() if(NOT ARGS_NO_EXPORT AND (ARGS_PUBLIC OR ARGS_INTERFACE)) set_property(TARGET SDL3-collector APPEND PROPERTY INTERFACE_COMPILE_DEFINITIONS "${ARGS_UNPARSED_ARGUMENTS}") endif() endfunction() # Use sdl_link_dependency to add compile options to the SDL3 libraries. function(sdl_compile_options) cmake_parse_arguments(ARGS "PRIVATE;PUBLIC;INTERFACE;NO_EXPORT" "" "" ${ARGN}) _get_ARGS_visibility() set(escaped_opts ${ARGS_UNPARSED_ARGUMENTS}) if(ARGS_NO_EXPORT) set(escaped_opts "$") endif() if(TARGET SDL3-shared) target_compile_options(SDL3-shared ${visibility} ${escaped_opts}) endif() if(TARGET SDL3-static) target_compile_options(SDL3-static ${visibility} ${escaped_opts}) endif() if(NOT ARGS_NO_EXPORT AND (ARGS_PUBLIC OR ARGS_INTERFACE)) set_property(TARGET SDL3-collector APPEND PROPERTY INTERFACE_COMPILE_COMPILE_OPTIONS "${ARGS_UNPARSED_ARGUMENTS}") endif() endfunction() # Use sdl_link_dependency to add incude directories to the SDL3 libraries. function(sdl_include_directories) cmake_parse_arguments(ARGS "SYSTEM;BEFORE;AFTER;PRIVATE;PUBLIC;INTERFACE;NO_EXPORT" "" "" ${ARGN}) set(system "") if(ARGS_SYSTEM) set(system "SYSTEM") endif() set(before_after ) if(ARGS_AFTER) set(before_after "AFTER") endif() if(ARGS_BEFORE) if(before_after) message(FATAL_ERROR "before and after are exclusive options") endif() set(before_after "BEFORE") endif() _get_ARGS_visibility() if(TARGET SDL3-shared) target_include_directories(SDL3-shared ${system} ${before_after} ${visibility} ${ARGS_UNPARSED_ARGUMENTS}) endif() if(TARGET SDL3-static) target_include_directories(SDL3-static ${system} ${before_after} ${visibility} ${ARGS_UNPARSED_ARGUMENTS}) endif() if(NOT NO_EXPORT AND (ARGS_PUBLIC OR ARGS_INTERFACE)) set_property(TARGET SDL3-collector APPEND PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${ARGS_UNPARSED_ARGUMENTS}") endif() endfunction() # Use sdl_link_dependency to add link directories to the SDL3 libraries. function(sdl_link_directories) if(TARGET SDL3-shared) target_link_directories(SDL3-shared PRIVATE ${ARGN}) endif() if(TARGET SDL3-static) target_link_directories(SDL3-static INTERFACE ${ARGN}) endif() endfunction() # Use sdl_pc_link_options to add a link option, only visible in sdl3.pc function(sdl_pc_link_options) set_property(TARGET SDL3-collector APPEND PROPERTY INTERFACE_SDL_PC_LINK_OPTIONS "${ARGN}") endfunction() # Use sdl_pc_link_options to add a link option only to SDL3-shared function(sdl_shared_link_options) if(TARGET SDL3-shared) target_link_options(SDL3-shared PRIVATE ${ARGN}) endif() endfunction() # Return minimum list of custom SDL CMake modules, used for finding dependencies of SDL. function(sdl_cmake_config_required_modules OUTPUT) set(cmake_modules) foreach(collector SDL3-collector SDL3_test-collector) get_property(ids TARGET ${collector} PROPERTY INTERFACE_SDL_DEP_IDS) foreach(ID IN LISTS ids) get_property(CMAKE_MODULE TARGET ${collector} PROPERTY INTERFACE_SDL_DEP_${ID}_CMAKE_MODULE) if(CMAKE_MODULE) if(EXISTS "${SDL3_SOURCE_DIR}/cmake/Find${CMAKE_MODULE}.cmake") list(APPEND cmake_modules "${SDL3_SOURCE_DIR}/cmake/Find${CMAKE_MODULE}.cmake") endif() endif() endforeach() if(cmake_modules) list(APPEND cmake_modules "${SDL3_SOURCE_DIR}/cmake/PkgConfigHelper.cmake") endif() endforeach() set(${OUTPUT} "${cmake_modules}" PARENT_SCOPE) endfunction() # Generate string for SDL3Config.cmake, finding all pkg-config dependencies of SDL3. function(sdl_cmake_config_find_pkg_config_commands OUTPUT) cmake_parse_arguments(ARGS "" "COLLECTOR;CONFIG_COMPONENT_FOUND_NAME" "" ${ARGN}) if(NOT ARGS_COLLECTOR OR NOT ARGS_CONFIG_COMPONENT_FOUND_NAME) message(FATAL_ERROR "COLLECTOR AND CONFIG_COMPONENT_FOUND_NAME are required arguments") endif() get_property(ids TARGET ${ARGS_COLLECTOR} PROPERTY INTERFACE_SDL_DEP_IDS) set(static_pkgconfig_deps_checks) set(static_module_deps_checks) set(cmake_modules_seen) foreach(ID IN LISTS ids) get_property(PKG_CONFIG_PREFIX TARGET ${ARGS_COLLECTOR} PROPERTY INTERFACE_SDL_DEP_${ID}_PKG_CONFIG_PREFIX) get_property(PKG_CONFIG_SPECS TARGET ${ARGS_COLLECTOR} PROPERTY INTERFACE_SDL_DEP_${ID}_PKG_CONFIG_SPECS) get_property(CMAKE_MODULE TARGET ${ARGS_COLLECTOR} PROPERTY INTERFACE_SDL_DEP_${ID}_CMAKE_MODULE) if(CMAKE_MODULE AND NOT CMAKE_MODULE IN_LIST cmake_modules_seen) list(APPEND static_module_deps_checks "find_package(${CMAKE_MODULE})" "if(NOT ${CMAKE_MODULE}_FOUND)" " set(${ARGS_CONFIG_COMPONENT_FOUND_NAME} OFF)" "endif()" ) list(APPEND cmake_modules_seen ${CMAKE_MODULE}) endif() if(PKG_CONFIG_PREFIX AND PKG_CONFIG_SPECS) string(JOIN " " pkg_config_specs_str ${PKG_CONFIG_SPECS}) list(APPEND static_pkgconfig_deps_checks " pkg_check_modules(${PKG_CONFIG_PREFIX} QUIET IMPORTED_TARGET ${pkg_config_specs_str})" " if(NOT ${PKG_CONFIG_PREFIX}_FOUND)" " set(${ARGS_CONFIG_COMPONENT_FOUND_NAME} OFF)" " endif()" ) endif() endforeach() set(prefix " ") set(static_module_deps_texts) if(static_module_deps_checks) set(static_module_deps_texts [[set(_original_module_path "${CMAKE_MODULE_PATH}")]] [[list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}")]] ${static_module_deps_checks} [[set(CMAKE_MODULE_PATH "${_original_module_path}")]] [[unset(_original_module_path)]] ) endif() set(static_pkgconfig_deps_texts) if(static_pkgconfig_deps_checks) string(JOIN "\n${prefix}" static_deps_texts_str ${static_deps_texts}) list(APPEND static_pkgconfig_deps_texts "find_package(PkgConfig)" "if(PkgConfig_FOUND)" ${static_pkgconfig_deps_checks} "else()" " set(${ARGS_CONFIG_COMPONENT_FOUND_NAME} OFF)" "endif()" ) endif() set(text) string(JOIN "\n${prefix}" text ${static_module_deps_texts} ${static_pkgconfig_deps_texts}) if(text) set(text "${prefix}${text}") endif() set(${OUTPUT} "${text}" PARENT_SCOPE) endfunction() # Create sdl3.pc. function(configure_sdl3_pc) # Clean up variables for sdl3.pc if(TARGET SDL3-shared) set(SDL_PC_SECTION_LIBS_PRIVATE "\nLibs.private:") else() set(SDL_PC_SECTION_LIBS_PRIVATE "") endif() get_property(ids TARGET SDL3-collector PROPERTY SDL3-collector PROPERTY INTERFACE_SDL_DEP_IDS) set(private_requires) set(private_libs) set(private_ldflags) foreach(ID IN LISTS ids) get_property(CMAKE_MODULE TARGET SDL3-collector PROPERTY INTERFACE_SDL_DEP_${ID}_CMAKE_MODULE) get_property(PKG_CONFIG_SPECS TARGET SDL3-collector PROPERTY INTERFACE_SDL_DEP_${ID}_PKG_CONFIG_SPECS) get_property(PKG_CONFIG_LIBS TARGET SDL3-collector PROPERTY INTERFACE_SDL_DEP_${ID}_PKG_CONFIG_LIBS) get_property(LIBS TARGET SDL3-collector PROPERTY INTERFACE_SDL_DEP_${ID}_LIBS) get_property(LINK_OPTIONS TARGET SDL3-collector PROPERTY INTERFACE_SDL_DEP_${ID}_LINK_OPTIONS) list(APPEND private_requires ${PKG_CONFIG_SPECS}) list(APPEND private_libs ${PKG_CONFIG_LIBS}) if(NOT PKG_CONFIG_SPECS AND NOT CMAKE_MODULE) list(APPEND private_libs ${LIBS}) list(APPEND private_ldflags ${LINK_OPTIONS}) endif() endforeach() list(TRANSFORM private_libs PREPEND "-l") set(SDL_PC_STATIC_LIBS ${private_ldflags} ${private_libs}) list(REMOVE_DUPLICATES SDL_PC_STATIC_LIBS) string(JOIN " " SDL_PC_STATIC_LIBS ${SDL_PC_STATIC_LIBS}) string(JOIN " " SDL_PC_PRIVATE_REQUIRES ${private_requires}) string(REGEX REPLACE "(>=|>|=|<|<=)" [[ \1 ]] SDL_PC_PRIVATE_REQUIRES "${SDL_PC_PRIVATE_REQUIRES}") get_property(interface_defines TARGET SDL3-collector PROPERTY INTERFACE_COMPILE_DEFINITIONS) list(TRANSFORM interface_defines PREPEND "-D") get_property(interface_includes TARGET SDL3-collector PROPERTY INTERFACE_INCLUDE_DIRECTORIES) list(TRANSFORM interface_includes PREPEND "-I") set(SDL_PC_CFLAGS ${interface_defines} ${interface_includes}) string(JOIN " " SDL_PC_CFLAGS ${SDL_PC_CFLAGS}) get_property(SDL_PC_LIBS TARGET SDL3-collector PROPERTY INTERFACE_SDL_PC_LINK_OPTIONS) string(JOIN " " SDL_PC_LIBS ${SDL_PC_LIBS}) string(REGEX REPLACE "-lSDL3( |$)" "-l${sdl_static_libname} " SDL_PC_STATIC_LIBS "${SDL_PC_STATIC_LIBS}") if(NOT SDL_SHARED) string(REGEX REPLACE "-lSDL3( |$)" "-l${sdl_static_libname} " SDL_PC_LIBS "${SDL_PC_LIBS}") endif() if(TARGET SDL3-shared AND TARGET SDL3-static AND NOT sdl_static_libname STREQUAL "SDL3") message(STATUS "\"pkg-config --static --libs sdl3\" will return invalid information") endif() # Calculate prefix relative to location of sdl3.pc file(RELATIVE_PATH SDL_PATH_PREFIX_RELATIVE_TO_PKGCONFIG "${CMAKE_INSTALL_PREFIX}/${SDL_PKGCONFIG_INSTALLDIR}" "${CMAKE_INSTALL_PREFIX}") string(REGEX REPLACE "[/]+$" "" SDL_PATH_PREFIX_RELATIVE_TO_PKGCONFIG "${SDL_PATH_PREFIX_RELATIVE_TO_PKGCONFIG}") set(SDL_PKGCONFIG_PREFIX "\${pcfiledir}/${SDL_PATH_PREFIX_RELATIVE_TO_PKGCONFIG}") configure_file("${SDL3_SOURCE_DIR}/cmake/sdl3.pc.in" "${SDL3_BINARY_DIR}/sdl3.pc" @ONLY) endfunction() # Write list of dependencies to output. Only visible when configuring with --log-level=DEBUG. function(debug_show_sdl_deps) get_property(ids TARGET SDL3-collector PROPERTY SDL3-collector PROPERTY INTERFACE_SDL_DEP_IDS) foreach(ID IN LISTS ids) message(DEBUG "- id: ${ID}") get_property(INCLUDES TARGET SDL3-collector PROPERTY INTERFACE_SDL_DEP_${ID}_INCLUDES) get_property(CMAKE_MODULE TARGET SDL3-collector PROPERTY INTERFACE_SDL_DEP_${ID}_CMAKE_MODULE) get_property(PKG_CONFIG_PREFIX TARGET SDL3-collector PROPERTY INTERFACE_SDL_DEP_${ID}_PKG_CONFIG_PREFIX) get_property(PKG_CONFIG_SPECS TARGET SDL3-collector PROPERTY INTERFACE_SDL_DEP_${ID}_PKG_CONFIG_SPECS) get_property(LIBS TARGET SDL3-collector PROPERTY INTERFACE_SDL_DEP_${ID}_LIBS) get_property(LINK_OPTIONS TARGET SDL3-collector PROPERTY INTERFACE_SDL_DEP_${ID}_LINK_OPTIONS) message(DEBUG " INCLUDES: ${INCLUDES}") message(DEBUG " CMAKE_MODULE: ${CMAKE_MODULE}") message(DEBUG " PKG_CONFIG_PREFIX: ${PKG_CONFIG_PREFIX}") message(DEBUG " PKG_CONFIG_SPECS: ${PKG_CONFIG_SPECS}") message(DEBUG " LIBS: ${LIBS}") message(DEBUG " LINK_OPTIONS: ${LINK_OPTIONS}") endforeach() endfunction()