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