SDL/VisualC/pkg-support/cmake/sdl3-config.cmake

136 lines
4.1 KiB
CMake

# SDL CMake configuration file:
# This file is meant to be placed in a cmake subfolder of SDL3-devel-3.x.y-VC
cmake_minimum_required(VERSION 3.0...3.5)
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(${_NAME}_FOUND FALSE)
endif()
endif()
endforeach()
endmacro()
set(SDL3_FOUND TRUE)
if(SDL_CPU_X86)
set(_sdl_arch_subdir "x86")
elseif(SDL_CPU_X64 OR SDL_CPU_ARM64EC)
set(_sdl_arch_subdir "x64")
elseif(SDL_CPU_ARM64)
set(_sdl_arch_subdir "arm64")
else()
set(SDL3_FOUND FALSE)
return()
endif()
get_filename_component(_sdl3_prefix "${CMAKE_CURRENT_LIST_DIR}/.." ABSOLUTE)
set_and_check(_sdl3_prefix "${_sdl3_prefix}")
set(_sdl3_include_dirs "${_sdl3_prefix}/include")
set(_sdl3_implib "${_sdl3_prefix}/lib/${_sdl_arch_subdir}/SDL3.lib")
set(_sdl3_dll "${_sdl3_prefix}/lib/${_sdl_arch_subdir}/SDL3.dll")
set(_sdl3test_lib "${_sdl3_prefix}/lib/${_sdl_arch_subdir}/SDL3_test.lib")
unset(_sdl_arch_subdir)
unset(_sdl3_prefix)
# 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_INCLUDE_DIRECTORIES "${_sdl3_include_dirs}"
)
endif()
set(SDL3_Headers_FOUND TRUE)
unset(_sdl3_include_dirs)
if(EXISTS "${_sdl3_implib}" AND EXISTS "${_sdl3_dll}")
if(NOT TARGET SDL3::SDL3-shared)
add_library(SDL3::SDL3-shared SHARED IMPORTED)
set_target_properties(SDL3::SDL3-shared
PROPERTIES
INTERFACE_LINK_LIBRARIES "SDL3::Headers"
IMPORTED_IMPLIB "${_sdl3_implib}"
IMPORTED_LOCATION "${_sdl3_dll}"
COMPATIBLE_INTERFACE_BOOL "SDL3_SHARED"
INTERFACE_SDL3_SHARED "ON"
COMPATIBLE_INTERFACE_STRING "SDL_VERSION"
INTERFACE_SDL_VERSION "SDL3"
)
endif()
set(SDL3_SDL3-shared_FOUND TRUE)
else()
set(SDL3_SDL3-shared_FOUND FALSE)
endif()
unset(_sdl3_implib)
unset(_sdl3_dll)
set(SDL3_SDL3-static_FOUND FALSE)
if(EXISTS "${_sdl3test_lib}")
if(NOT TARGET SDL3::SDL3_test)
add_library(SDL3::SDL3_test STATIC IMPORTED)
set_target_properties(SDL3::SDL3_test
PROPERTIES
INTERFACE_LINK_LIBRARIES "SDL3::Headers"
IMPORTED_LOCATION "${_sdl3test_lib}"
COMPATIBLE_INTERFACE_STRING "SDL_VERSION"
INTERFACE_SDL_VERSION "SDL3"
)
endif()
set(SDL3_SDL3_test_FOUND TRUE)
else()
set(SDL3_SDL3_test_FOUND FALSE)
endif()
unset(_sdl3test_lib)
if(SDL3_SDL3-shared_FOUND)
set(SDL3_SDL3_FOUND TRUE)
endif()
function(_sdl_create_target_alias_compat NEW_TARGET TARGET)
if(CMAKE_VERSION VERSION_LESS "3.18")
# Aliasing local targets is not supported on CMake < 3.18, so make it global.
add_library(${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)
endif()
endif()
check_required_components(SDL3)
set(SDL3_LIBRARIES SDL3::SDL3)
set(SDL3_STATIC_LIBRARIES SDL3::SDL3-static)
set(SDL3_STATIC_PRIVATE_LIBS)
set(SDL3TEST_LIBRARY SDL3::SDL3_test)