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

This commit is contained in:
Anonymous Maarten 2022-06-03 20:13:57 +02:00 committed by Sam Lantinga
parent 5a8ccf4522
commit 96e3733a18
1 changed files with 36 additions and 21 deletions

View File

@ -4,35 +4,47 @@
# INTERFACE_LINK_OPTIONS needs CMake 3.12
cmake_minimum_required(VERSION 3.12)
set(_sdl2_known_comps SDL2)
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: ${missing_required_comps}")
endif()
set(SDL2_FOUND FALSE)
return()
endif()
endif()
endmacro()
set(SDL2_FOUND TRUE)
string(REGEX REPLACE "SDL2\\.framework.*" "SDL2.framework" SDL2_FRAMEWORK_PATH "${CMAKE_CURRENT_LIST_DIR}")
string(REGEX REPLACE "SDL2\\.framework.*" "" SDL2_FRAMEWORK_PARENT_PATH "${CMAKE_CURRENT_LIST_DIR}")
# For compatibility with autotools sdl2-config.cmake, provide SDL2_* variables.
set_and_check(SDL2_PREFIX "${SDL2_FRAMEWORK_PATH}")
set_and_check(SDL2_EXEC_PREFIX "${SDL2_FRAMEWORK_PATH}")
set_and_check(SDL2_INCLUDE_DIR "${SDL2_FRAMEWORK_PATH}/Headers")
set(SDL2_INCLUDE_DIRS "${SDL2_INCLUDE_DIR}")
set_and_check(SDL2_BINDIR "${SDL2_FRAMEWORK_PATH}")
set_and_check(SDL2_LIBDIR "${SDL2_FRAMEWORK_PATH}")
set(SDL2_LIBRARIES "SDL2::SDL2")
# All targets are created, even when some might not be requested though COMPONENTS.
# This is done for compatibility with CMake generated SDL2-target.cmake files.
@ -41,9 +53,12 @@ if(NOT TARGET SDL2::SDL2)
set_target_properties(SDL2::SDL2
PROPERTIES
INTERFACE_COMPILE_OPTIONS "-F;${SDL2_FRAMEWORK_PARENT_PATH}"
INTERFACE_INCLUDE_DIRECTORIES "${SDL2_FRAMEWORK_PATH}/Headers"
INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIR}"
INTERFACE_LINK_OPTIONS "-F;${SDL2_FRAMEWORK_PARENT_PATH};-framework;SDL2"
COMPATIBLE_INTERFACE_BOOL "SDL2_SHARED"
INTERFACE_SDL2_SHARED "ON"
)
endif()
set(SDL2_SDL2_FOUND)
check_required_components(SDL2)