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cmake: make VisualC's sdl2-config.cmake compatible with the one from autotools
This commit is contained in:
Anonymous Maarten
Sam Lantinga
parent
5ec2d46f47
commit
5a8ccf4522
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@ -3,29 +3,30 @@
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cmake_minimum_required(VERSION 3.0)
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set(_sdl2_known_comps SDL2 SDL2main SDL2test)
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if(NOT SDL2_FIND_COMPONENTS)
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set(SDL2_FIND_COMPONENTS ${_sdl2_known_comps})
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endif()
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include(FeatureSummary)
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set_package_properties(SDL2 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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# Fail early when an unknown component is requested
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list(REMOVE_DUPLICATES SDL2_FIND_COMPONENTS)
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list(REMOVE_ITEM SDL2_FIND_COMPONENTS ${_sdl2_known_comps})
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if(SDL2_FIND_COMPONENTS)
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set(missing_required_comps)
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foreach(missingcomp ${SDL2_FIND_COMPONENTS})
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if(SDL2_FIND_REQUIRED_${missingcomp})
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list(APPEND missing_required_comps ${missingcomp})
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# Copied from `configure_package_config_file`
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macro(set_and_check _var _file)
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set(${_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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if(missing_required_comps)
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if(NOT SDL2_FIND_QUIETLY)
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message(WARNING "SDL2: following component(s) are not available: ${missing_required_comps}")
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endif()
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set(SDL2_FOUND FALSE)
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return()
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endif()
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endif()
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endmacro()
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set(SDL2_FOUND TRUE)
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@ -38,42 +39,73 @@ else()
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return()
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endif()
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set(SDL2_INCLUDE_DIR "${CMAKE_CURRENT_LIST_DIR}/../include")
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set(SDL2_INCLUDE_DIRS "${SDL2_INCLUDE_DIR}")
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set(SDL2_LIBRARY "${CMAKE_CURRENT_LIST_DIR}/../lib/${_sdl_arch_subdir}/SDL2.lib")
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set(SDL2_DLL_LIBRARY "${CMAKE_CURRENT_LIST_DIR}/../lib/${_sdl_arch_subdir}/SDL2.dll")
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set(SDL2main_LIBRARY "${CMAKE_CURRENT_LIST_DIR}/../lib/${_sdl_arch_subdir}/SDL2main.lib")
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set(SDL2test_LIBRARY "${CMAKE_CURRENT_LIST_DIR}/../lib/${_sdl_arch_subdir}/SDL2test.lib")
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# For compatibility with autotools sdl2-config.cmake, provide SDL2_* variables.
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set_and_check(SDL2_PREFIX "${CMAKE_CURRENT_LIST_DIR}/..")
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set_and_check(SDL2_EXEC_PREFIX "${CMAKE_CURRENT_LIST_DIR}/..")
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set_and_check(SDL2_INCLUDE_DIR "${SDL2_PREFIX}/include/SDL2")
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set(SDL2_INCLUDE_DIRS "${CMAKE_CURRENT_LIST_DIR}/../include;${SDL2_INCLUDE_DIR}")
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set_and_check(SDL2_BINDIR "${SDL2_PREFIX}/lib/${_sdl_arch_subdir}")
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set_and_check(SDL2_LIBDIR "${SDL2_PREFIX}/lib/${_sdl_arch_subdir}")
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set(SDL2_LIBRARIES SDL2::SDL2main SDL2::SDL2)
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set(SDL2MAIN_LIBRARY SDL2::SDL2main)
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set(SDL2TEST_LIBRARY SDL2::SDL2test)
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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 SDL2-target.cmake files.
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if(NOT TARGET SDL2::SDL2)
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add_library(SDL2::SDL2 SHARED IMPORTED)
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set_target_properties(SDL2::SDL2
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PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIR}"
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IMPORTED_IMPLIB "${SDL2_LIBRARY}"
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IMPORTED_LOCATION "${SDL2_DLL_LIBRARY}"
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COMPATIBLE_INTERFACE_BOOL "SDL2_SHARED"
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INTERFACE_SDL2_SHARED "ON"
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)
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set(_sdl2_library "${SDL2_LIBDIR}/SDL2.lib")
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set(_sdl2_dll_library "${SDL2_BINDIR}/SDL2.dll")
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if(EXISTS "${_sdl2_library}" AND EXISTS "${_sdl2_dll_library}")
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if(NOT TARGET SDL2::SDL2)
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add_library(SDL2::SDL2 SHARED IMPORTED)
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set_target_properties(SDL2::SDL2
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PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIRS}"
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IMPORTED_IMPLIB "${_sdl2_library}"
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IMPORTED_LOCATION "${_sdl2_dll_library}"
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COMPATIBLE_INTERFACE_BOOL "SDL2_SHARED"
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INTERFACE_SDL2_SHARED "ON"
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)
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endif()
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set(SDL2_SDL2_FOUND TRUE)
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else()
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set(SDL2_SDL2_FOUND FALSE)
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endif()
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unset(_sdl2_library)
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unset(_sdl2_dll_library)
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if(NOT TARGET SDL2::SDL2main)
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add_library(SDL2::SDL2main STATIC IMPORTED)
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set_target_properties(SDL2::SDL2main
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set(_sdl2main_library "${SDL2_LIBDIR}/SDL2main.lib")
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if(EXISTS "${_sdl2main_library}")
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if(NOT TARGET SDL2::SDL2main)
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add_library(SDL2::SDL2main STATIC IMPORTED)
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set_target_properties(SDL2::SDL2main
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PROPERTIES
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IMPORTED_LOCATION "${SDL2main_LIBRARY}"
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)
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IMPORTED_LOCATION "${_sdl2main_library}"
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)
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endif()
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set(SDL2_SDL2main_FOUND TRUE)
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else()
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set(SDL2_SDL2_FOUND FALSE)
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endif()
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unset(_sdl2main_library)
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if(NOT TARGET SDL2::SDL2test)
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add_library(SDL2::SDL2test STATIC IMPORTED)
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set_target_properties(SDL2::SDL2test
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PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIR}"
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IMPORTED_LOCATION "${SDL2test_LIBRARY}"
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)
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set(_sdl2test_library "${SDL2_LIBDIR}/SDL2test.lib")
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if(EXISTS "${_sdl2test_library}")
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if(NOT TARGET SDL2::SDL2test)
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add_library(SDL2::SDL2test STATIC IMPORTED)
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set_target_properties(SDL2::SDL2test
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PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIRS}"
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IMPORTED_LOCATION "${_sdl2test_library}"
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)
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endif()
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set(SDL2_SDL2test_FOUND TRUE)
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else()
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set(SDL2_SDL2_FOUND FALSE)
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endif()
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unset(_sdl2test_library)
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check_required_components(SDL2)
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