cmake: make VisualC's sdl2-config.cmake compatible with the one from autotools

This commit is contained in:
Anonymous Maarten 2022-06-03 20:13:38 +02:00 committed by Sam Lantinga
parent 5ec2d46f47
commit 5a8ccf4522

View file

@ -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.
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 "${SDL2_INCLUDE_DIR}"
IMPORTED_IMPLIB "${SDL2_LIBRARY}"
IMPORTED_LOCATION "${SDL2_DLL_LIBRARY}"
INTERFACE_INCLUDE_DIRECTORIES "${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)
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)
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 "${SDL2_INCLUDE_DIR}"
IMPORTED_LOCATION "${SDL2test_LIBRARY}"
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)