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 dependency. 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 the .pc file
# - PKG_CONFIG_LINK_OPTIONS: ldflags 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 (cmake and pkg-config)
# - LINK_OPTIONS: list of link options (also used in pc file, unless PKG_CONFIG_LINK_OPTION is used)
function(sdl_generic_link_dependency ID)
cmake_parse_arguments(ARGS "" "COLLECTOR" "SHARED_TARGETS;STATIC_TARGETS;INCLUDES;PKG_CONFIG_LINK_OPTIONS;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}_PKG_CONFIG_LINK_OPTIONS ${ARGS_PKG_CONFIG_LINK_OPTIONS})
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 ${ARGS_UNPARSED_ARGUMENTS})
if(ARGS_NO_EXPORT)
set(escaped_opts "$<BUILD_INTERFACE:${ARGS_UNPARSED_ARGUMENTS}>")
endif()
if(TARGET SDL3-shared)
target_compile_options(SDL3-shared ${visibility} ${escaped_opts})
endif()
if(TARGET SDL3-static)
target_compile_options(SDL3-static ${visibility} ${escaped_opts})
endif()
if(NOT ARGS_NO_EXPORT AND (ARGS_PUBLIC OR ARGS_INTERFACE))
set_property(TARGET SDL3-collector APPEND PROPERTY INTERFACE_COMPILE_OPTIONS "${ARGS_UNPARSED_ARGUMENTS}")
endif()
endfunction()
# Use sdl_link_dependency to add include 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(PKG_CONFIG_LDFLAGS TARGET SDL3-collector PROPERTY INTERFACE_SDL_DEP_${ID}_PKG_CONFIG_LINK_OPTIONS)
get_property(LIBS TARGET SDL3-collector PROPERTY INTERFACE_SDL_DEP_${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(PKG_CONFIG_SPECS OR PKG_CONFIG_LIBS OR PKG_CONFIG_LDFLAGS)
list(APPEND private_ldflags ${PKG_CONFIG_LDFLAGS})
else()
list(APPEND private_ldflags ${LINK_OPTIONS})
if(NOT CMAKE_MODULE)
list(APPEND private_libs ${LIBS})
endif()
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 "${SDL_PC_LIBS}")
endif()
if(TARGET SDL3-shared AND TARGET SDL3-static AND NOT sdl_static_libname STREQUAL "SDL3")
message(STATUS "\"pkg-config --static --libs sdl3\" will return invalid information")
endif()
if(SDL_RELOCATABLE)
# Calculate prefix relative to location of sdl3.pc
if(NOT IS_ABSOLUTE "${CMAKE_INSTALL_PREFIX}")
set(CMAKE_INSTALL_PREFIX "${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_PREFIX}")
endif()
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}")
else()
set(SDL_PKGCONFIG_PREFIX "${CMAKE_INSTALL_PREFIX}")
endif()
if(IS_ABSOLUTE "${CMAKE_INSTALL_INCLUDEDIR}")
set(INCLUDEDIR_FOR_PKG_CONFIG "${CMAKE_INSTALL_INCLUDEDIR}")
else()
set(INCLUDEDIR_FOR_PKG_CONFIG "\${prefix}/${CMAKE_INSTALL_INCLUDEDIR}")
endif()
if(IS_ABSOLUTE "${CMAKE_INSTALL_LIBDIR}")
set(LIBDIR_FOR_PKG_CONFIG "${CMAKE_INSTALL_LIBDIR}")
else()
set(LIBDIR_FOR_PKG_CONFIG "\${prefix}/${CMAKE_INSTALL_LIBDIR}")
endif()
configure_file("${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()