diff --git a/VisualC/pkg-support/cmake/sdl2-config.cmake b/VisualC/pkg-support/cmake/sdl2-config.cmake index 8722b0db6..f01367837 100644 --- a/VisualC/pkg-support/cmake/sdl2-config.cmake +++ b/VisualC/pkg-support/cmake/sdl2-config.cmake @@ -3,29 +3,30 @@ cmake_minimum_required(VERSION 3.0) -set(_sdl2_known_comps SDL2 SDL2main SDL2test) -if(NOT SDL2_FIND_COMPONENTS) - set(SDL2_FIND_COMPONENTS ${_sdl2_known_comps}) -endif() +include(FeatureSummary) +set_package_properties(SDL2 PROPERTIES + URL "https://www.libsdl.org/" + DESCRIPTION "low level access to audio, keyboard, mouse, joystick, and graphics hardware" +) -# Fail early when an unknown component is requested -list(REMOVE_DUPLICATES SDL2_FIND_COMPONENTS) -list(REMOVE_ITEM SDL2_FIND_COMPONENTS ${_sdl2_known_comps}) -if(SDL2_FIND_COMPONENTS) - set(missing_required_comps) - foreach(missingcomp ${SDL2_FIND_COMPONENTS}) - if(SDL2_FIND_REQUIRED_${missingcomp}) - list(APPEND missing_required_comps ${missingcomp}) +# Copied from `configure_package_config_file` +macro(set_and_check _var _file) + set(${_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() - if(missing_required_comps) - if(NOT SDL2_FIND_QUIETLY) - message(WARNING "SDL2: following component(s) are not available: ${missing_required_comps}") - endif() - set(SDL2_FOUND FALSE) - return() - endif() -endif() +endmacro() set(SDL2_FOUND TRUE) @@ -38,42 +39,73 @@ else() return() endif() -set(SDL2_INCLUDE_DIR "${CMAKE_CURRENT_LIST_DIR}/../include") -set(SDL2_INCLUDE_DIRS "${SDL2_INCLUDE_DIR}") -set(SDL2_LIBRARY "${CMAKE_CURRENT_LIST_DIR}/../lib/${_sdl_arch_subdir}/SDL2.lib") -set(SDL2_DLL_LIBRARY "${CMAKE_CURRENT_LIST_DIR}/../lib/${_sdl_arch_subdir}/SDL2.dll") -set(SDL2main_LIBRARY "${CMAKE_CURRENT_LIST_DIR}/../lib/${_sdl_arch_subdir}/SDL2main.lib") -set(SDL2test_LIBRARY "${CMAKE_CURRENT_LIST_DIR}/../lib/${_sdl_arch_subdir}/SDL2test.lib") +# For compatibility with autotools sdl2-config.cmake, provide SDL2_* variables. + +set_and_check(SDL2_PREFIX "${CMAKE_CURRENT_LIST_DIR}/..") +set_and_check(SDL2_EXEC_PREFIX "${CMAKE_CURRENT_LIST_DIR}/..") +set_and_check(SDL2_INCLUDE_DIR "${SDL2_PREFIX}/include/SDL2") +set(SDL2_INCLUDE_DIRS "${CMAKE_CURRENT_LIST_DIR}/../include;${SDL2_INCLUDE_DIR}") +set_and_check(SDL2_BINDIR "${SDL2_PREFIX}/lib/${_sdl_arch_subdir}") +set_and_check(SDL2_LIBDIR "${SDL2_PREFIX}/lib/${_sdl_arch_subdir}") + +set(SDL2_LIBRARIES SDL2::SDL2main SDL2::SDL2) +set(SDL2MAIN_LIBRARY SDL2::SDL2main) +set(SDL2TEST_LIBRARY SDL2::SDL2test) # All targets are created, even when some might not be requested though COMPONENTS. # This is done for compatibility with CMake generated SDL2-target.cmake files. -if(NOT TARGET SDL2::SDL2) - add_library(SDL2::SDL2 SHARED IMPORTED) - set_target_properties(SDL2::SDL2 - PROPERTIES - INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIR}" - IMPORTED_IMPLIB "${SDL2_LIBRARY}" - IMPORTED_LOCATION "${SDL2_DLL_LIBRARY}" - COMPATIBLE_INTERFACE_BOOL "SDL2_SHARED" - INTERFACE_SDL2_SHARED "ON" - ) +set(_sdl2_library "${SDL2_LIBDIR}/SDL2.lib") +set(_sdl2_dll_library "${SDL2_BINDIR}/SDL2.dll") +if(EXISTS "${_sdl2_library}" AND EXISTS "${_sdl2_dll_library}") + if(NOT TARGET SDL2::SDL2) + add_library(SDL2::SDL2 SHARED IMPORTED) + set_target_properties(SDL2::SDL2 + PROPERTIES + INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIRS}" + IMPORTED_IMPLIB "${_sdl2_library}" + IMPORTED_LOCATION "${_sdl2_dll_library}" + COMPATIBLE_INTERFACE_BOOL "SDL2_SHARED" + INTERFACE_SDL2_SHARED "ON" + ) + endif() + set(SDL2_SDL2_FOUND TRUE) +else() + set(SDL2_SDL2_FOUND FALSE) endif() +unset(_sdl2_library) +unset(_sdl2_dll_library) -if(NOT TARGET SDL2::SDL2main) - add_library(SDL2::SDL2main STATIC IMPORTED) - set_target_properties(SDL2::SDL2main +set(_sdl2main_library "${SDL2_LIBDIR}/SDL2main.lib") +if(EXISTS "${_sdl2main_library}") + if(NOT TARGET SDL2::SDL2main) + add_library(SDL2::SDL2main STATIC IMPORTED) + set_target_properties(SDL2::SDL2main PROPERTIES - IMPORTED_LOCATION "${SDL2main_LIBRARY}" - ) + IMPORTED_LOCATION "${_sdl2main_library}" + ) + endif() + set(SDL2_SDL2main_FOUND TRUE) +else() + set(SDL2_SDL2_FOUND FALSE) endif() +unset(_sdl2main_library) -if(NOT TARGET SDL2::SDL2test) - add_library(SDL2::SDL2test STATIC IMPORTED) - set_target_properties(SDL2::SDL2test - PROPERTIES - INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIR}" - IMPORTED_LOCATION "${SDL2test_LIBRARY}" - ) +set(_sdl2test_library "${SDL2_LIBDIR}/SDL2test.lib") +if(EXISTS "${_sdl2test_library}") + if(NOT TARGET SDL2::SDL2test) + add_library(SDL2::SDL2test STATIC IMPORTED) + set_target_properties(SDL2::SDL2test + PROPERTIES + INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIRS}" + IMPORTED_LOCATION "${_sdl2test_library}" + ) + endif() + set(SDL2_SDL2test_FOUND TRUE) +else() + set(SDL2_SDL2_FOUND FALSE) endif() +unset(_sdl2test_library) + +check_required_components(SDL2)