tomato/Xcode/SDL/pkg-support/resources/CMake/sdl3-config.cmake
Green Sky dec0d4ec41 Squashed 'external/sdl/SDL/' content from commit b8d91252c
git-subtree-dir: external/sdl/SDL
git-subtree-split: b8d91252c6488cf9c645aba447b56bb9dbd9609a
2023-07-25 22:27:55 +02:00

105 lines
3.5 KiB
CMake

# SDL CMake configuration file:
# This file is meant to be placed in Resources/CMake of a SDL3 framework
# INTERFACE_LINK_OPTIONS needs CMake 3.12
cmake_minimum_required(VERSION 3.12)
include(FeatureSummary)
set_package_properties(SDL3 PROPERTIES
URL "https://www.libsdl.org/"
DESCRIPTION "low level access to audio, keyboard, mouse, joystick, and graphics hardware"
)
# Copied from `configure_package_config_file`
macro(set_and_check _var _file)
set(${_var} "${_file}")
if(NOT EXISTS "${_file}")
message(FATAL_ERROR "File or directory ${_file} referenced by variable ${_var} does not exist !")
endif()
endmacro()
# Copied from `configure_package_config_file`
macro(check_required_components _NAME)
foreach(comp ${${_NAME}_FIND_COMPONENTS})
if(NOT ${_NAME}_${comp}_FOUND)
if(${_NAME}_FIND_REQUIRED_${comp})
set(${_NAME}_FOUND FALSE)
endif()
endif()
endforeach()
endmacro()
set(SDL3_FOUND TRUE)
# Compute the installation prefix relative to this file.
get_filename_component(_sdl3_framework_path "${CMAKE_CURRENT_LIST_FILE}" PATH) # /SDL3.framework/Resources/CMake/
get_filename_component(_sdl3_framework_path "${_IMPORT_PREFIX}" PATH) # /SDL3.framework/Resources/
get_filename_component(_sdl3_framework_path "${_IMPORT_PREFIX}" PATH) # /SDL3.framework/
get_filename_component(_sdl3_framework_parent_path "${_sdl3_framework_path}" PATH) # /
set_and_check(_sdl3_include_dirs "${_sdl3_framework_path}/Headers")
set(SDL3_LIBRARIES "SDL3::SDL3")
# All targets are created, even when some might not be requested though COMPONENTS.
# This is done for compatibility with CMake generated SDL3-target.cmake files.
if(NOT TARGET SDL3::Headers)
add_library(SDL3::Headers INTERFACE IMPORTED)
set_target_properties(SDL3::Headers
PROPERTIES
INTERFACE_COMPILE_OPTIONS "SHELL:-F \"${_sdl3_framework_parent_path}\""
INTERFACE_INCLUDE_DIRECTORIES "${_sdl3_include_dirs}"
)
endif()
set(SDL3_Headers_FOUND TRUE)
unset(_sdl3_include_dirs)
if(NOT TARGET SDL3::SDL3-shared)
add_library(SDL3::SDL3-shared SHARED IMPORTED)
set_target_properties(SDL3::SDL3-shared
PROPERTIES
FRAMEWORK "TRUE"
INTERFACE_LINK_LIBRARIES "SDL3::Headers"
IMPORTED_LOCATION "${_sdl3_framework_path}/SDL3"
IMPORTED_SONAME "${_sdl3_framework_path}/SDL3"
COMPATIBLE_INTERFACE_BOOL "SDL3_SHARED"
INTERFACE_SDL3_SHARED "ON"
COMPATIBLE_INTERFACE_STRING "SDL_VERSION"
INTERFACE_SDL_VERSION "SDL3"
)
endif()
set(SDL3_SDL3-shared_FOUND TRUE)
set(SDL3_SDL3-static FALSE)
set(SDL3_SDL3_test FALSE)
unset(_sdl3_framework_parent_path)
unset(_sdl3_framework_path)
if(SDL3_SDL3-shared_FOUND OR SDL3_SDL3-static_FOUND)
set(SDL3_SDL3_FOUND TRUE)
endif()
function(_sdl_create_target_alias_compat NEW_TARGET TARGET)
if(CMAKE_VERSION VERSION_LESS "3.18")
# Aliasing local targets is not supported on CMake < 3.18, so make it global.
add_library(${NEW_TARGET} INTERFACE IMPORTED)
set_target_properties(${NEW_TARGET} PROPERTIES INTERFACE_LINK_LIBRARIES "${TARGET}")
else()
add_library(${NEW_TARGET} ALIAS ${TARGET})
endif()
endfunction()
# Make sure SDL3::SDL3 always exists
if(NOT TARGET SDL3::SDL3)
if(TARGET SDL3::SDL3-shared)
_sdl_create_target_alias_compat(SDL3::SDL3 SDL3::SDL3-shared)
else()
_sdl_create_target_alias_compat(SDL3::SDL3 SDL3::SDL3-static)
endif()
endif()
check_required_components(SDL3)