cmake: make SDL2Config.cmake compatible with autotools' sdl2-config.cmake
This commit is contained in:
Anonymous Maarten
committed by
Sam Lantinga
Sam Lantinga
parent
9ff8f29f43
commit
5ec2d46f47
@@ -287,7 +287,7 @@ if(MSVC)
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endif()
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endif()
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# Those are used for pkg-config and friends, so that the SDL2.pc, sdl2-config,
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# Those are used for pkg-config and friends, so that the sdl2.pc, sdl2-config,
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# etc. are created correctly.
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set(SDL_LIBS "-lSDL2")
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set(SDL_CFLAGS "")
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@@ -312,7 +312,7 @@ if(CYGWIN)
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HAVE_GCC_NO_CYGWIN)
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set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS})
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if(HAVE_GCC_NO_CYGWIN)
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list(APPEND EXTRA_LDFLAGS "-mno-cygwin")
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list(APPEND EXTRA_LDFLAGS_BUILD "-mno-cygwin")
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list(APPEND SDL_LIBS "-mno-cygwin")
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endif()
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set(SDL_CFLAGS "${SDL_CFLAGS} -I/usr/include/mingw")
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@@ -612,15 +612,16 @@ if(USE_GCC OR USE_CLANG)
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endif()
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if(APPLE)
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list(APPEND EXTRA_LDFLAGS "-Wl,-undefined,error")
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list(APPEND EXTRA_LDFLAGS "-Wl,-compatibility_version,${DYLIB_COMPATIBILITY_VERSION}")
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list(APPEND EXTRA_LDFLAGS "-Wl,-current_version,${DYLIB_CURRENT_VERSION}")
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# FIXME: use generator expression instead of appending to EXTRA_LDFLAGS_BUILD
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list(APPEND EXTRA_LDFLAGS_BUILD "-Wl,-undefined,error")
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list(APPEND EXTRA_LDFLAGS_BUILD "-Wl,-compatibility_version,${DYLIB_COMPATIBILITY_VERSION}")
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list(APPEND EXTRA_LDFLAGS_BUILD "-Wl,-current_version,${DYLIB_CURRENT_VERSION}")
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elseif(NOT OPENBSD)
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set(CMAKE_REQUIRED_FLAGS "-Wl,--no-undefined")
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check_c_compiler_flag("" HAVE_NO_UNDEFINED)
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set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS})
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if(HAVE_NO_UNDEFINED AND NOT (USE_CLANG AND WINDOWS))
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list(APPEND EXTRA_LDFLAGS "-Wl,--no-undefined")
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list(APPEND EXTRA_LDFLAGS_BUILD "-Wl,--no-undefined")
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endif()
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endif()
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@@ -1838,8 +1839,6 @@ elseif(WINDOWS)
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file(GLOB VERSION_SOURCES ${SDL2_SOURCE_DIR}/src/main/windows/*.rc)
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file(GLOB SDLMAIN_SOURCES ${SDL2_SOURCE_DIR}/src/main/windows/*.c)
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if(MINGW OR CYGWIN)
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list(APPEND EXTRA_LIBS mingw32)
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list(APPEND EXTRA_LDFLAGS "-mwindows")
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list(APPEND SDL_LIBS "-lmingw32" "-mwindows")
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if(NOT SDL2_DISABLE_SDL2MAIN)
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set(SDL_CFLAGS "${SDL_CFLAGS} -Dmain=SDL_main")
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@@ -2850,7 +2849,7 @@ endif()
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message(STATUS "")
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message(STATUS " CFLAGS: ${CMAKE_C_FLAGS}")
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message(STATUS " EXTRA_CFLAGS: ${EXTRA_CFLAGS}")
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message(STATUS " EXTRA_LDFLAGS: ${EXTRA_LDFLAGS}")
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message(STATUS " EXTRA_LDFLAGS: ${EXTRA_LDFLAGS} ${EXTRA_LDFLAGS_BUILD}")
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message(STATUS " EXTRA_LIBS: ${EXTRA_LIBS}")
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message(STATUS "")
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message(STATUS " Build Shared Library: ${SDL_SHARED}")
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@@ -2897,6 +2896,14 @@ if(NOT WINDOWS_STORE AND NOT SDL2_DISABLE_SDL2MAIN)
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if (WIN32)
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target_link_libraries(SDL2main PRIVATE shell32)
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endif()
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if(MINGW OR CYGWIN)
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cmake_minimum_required(VERSION 3.13)
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if(CMAKE_SIZEOF_VOID_P EQUAL 4)
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target_link_options(SDL2main PUBLIC "-Wl,--undefined=_WinMain@16")
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else()
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target_link_options(SDL2main PUBLIC "-Wl,--undefined=WinMain")
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endif()
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endif()
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if (NOT ANDROID)
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set_target_properties(SDL2main PROPERTIES DEBUG_POSTFIX "${SDL_CMAKE_DEBUG_POSTFIX}")
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endif()
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@@ -2945,11 +2952,17 @@ if(SDL_SHARED)
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endif()
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set_target_properties(SDL2 PROPERTIES STATIC_LIBRARY_FLAGS "/NODEFAULTLIB")
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endif()
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target_link_libraries(SDL2 PRIVATE ${EXTRA_LIBS} ${EXTRA_LDFLAGS})
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# FIXME: if CMAKE_VERSION >= 3.13, use target_link_options for EXTRA_LDFLAGS
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target_link_libraries(SDL2 PRIVATE ${EXTRA_LIBS} ${EXTRA_LDFLAGS} ${EXTRA_LDFLAGS_BUILD})
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target_include_directories(SDL2 BEFORE PRIVATE "${SDL2_BINARY_DIR}/include")
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target_include_directories(SDL2 PUBLIC "$<BUILD_INTERFACE:${SDL2_SOURCE_DIR}/include>;$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>;$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/SDL2>")
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# This picks up all the compiler options and such we've accumulated up to here.
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target_link_libraries(SDL2 PRIVATE $<BUILD_INTERFACE:sdl-build-options>)
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if(MINGW OR CYGWIN)
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if(NOT CMAKE_VERSION VERSION_LESS "3.13")
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target_link_options(SDL2 PRIVATE -static-libgcc)
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endif()
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endif()
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if(NOT ANDROID)
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set_target_properties(SDL2 PROPERTIES DEBUG_POSTFIX "${SDL_CMAKE_DEBUG_POSTFIX}")
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endif()
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@@ -2963,12 +2976,11 @@ if(SDL_STATIC)
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add_library(SDL2-static STATIC ${SOURCE_FILES})
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# alias target for in-tree builds
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add_library(SDL2::SDL2-static ALIAS SDL2-static)
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if (NOT SDL_SHARED OR NOT WIN32 OR MINGW)
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if(MSVC OR (WATCOM AND (WIN32 OR OS2)))
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# Avoid conflict between the dll import library and the static library
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set_target_properties(SDL2-static PROPERTIES OUTPUT_NAME "SDL2-static")
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else()
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set_target_properties(SDL2-static PROPERTIES OUTPUT_NAME "SDL2")
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# Note: Apparently, OUTPUT_NAME must really be unique; even when
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# CMAKE_IMPORT_LIBRARY_SUFFIX or the like are given. Otherwise
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# the static build may race with the import lib and one will get
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# clobbered, when the suffix is realized via subsequent rename.
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endif()
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set_target_properties(SDL2-static PROPERTIES POSITION_INDEPENDENT_CODE ${SDL_STATIC_PIC})
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# Note: The clang toolset for Visual Studio does not support /NODEFAULTLIB.
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@@ -2979,7 +2991,7 @@ if(SDL_STATIC)
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endif()
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# TODO: Win32 platforms keep the same suffix .lib for import and static
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# libraries - do we need to consider this?
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target_link_libraries(SDL2-static PRIVATE ${EXTRA_LIBS} ${EXTRA_LDFLAGS})
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target_link_libraries(SDL2-static PRIVATE ${EXTRA_LIBS} ${EXTRA_LDFLAGS} ${EXTRA_LDFLAGS_BUILD})
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target_include_directories(SDL2-static BEFORE PRIVATE "${SDL2_BINARY_DIR}/include")
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target_include_directories(SDL2-static PUBLIC "$<BUILD_INTERFACE:${SDL2_SOURCE_DIR}/include>" $<INSTALL_INTERFACE:include> $<INSTALL_INTERFACE:include/SDL2>)
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# This picks up all the compiler options and such we've accumulated up to here.
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@@ -3047,6 +3059,10 @@ if(NOT SDL2_DISABLE_INSTALL)
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endif ()
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include(CMakePackageConfigHelpers)
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configure_package_config_file(SDL2Config.cmake.in "${CMAKE_BINARY_DIR}/SDL2Config.cmake"
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PATH_VARS CMAKE_INSTALL_PREFIX CMAKE_INSTALL_FULL_BINDIR CMAKE_INSTALL_FULL_INCLUDEDIR CMAKE_INSTALL_FULL_LIBDIR
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INSTALL_DESTINATION ${PKG_PREFIX}
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)
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write_basic_package_version_file("${CMAKE_BINARY_DIR}/SDL2ConfigVersion.cmake"
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VERSION ${SDL_VERSION}
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COMPATIBILITY AnyNewerVersion
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@@ -3086,7 +3102,7 @@ if(NOT SDL2_DISABLE_INSTALL)
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install(
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FILES
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${CMAKE_CURRENT_SOURCE_DIR}/SDL2Config.cmake
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${CMAKE_CURRENT_BINARY_DIR}/SDL2Config.cmake
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${CMAKE_BINARY_DIR}/SDL2ConfigVersion.cmake
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DESTINATION ${PKG_PREFIX}
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COMPONENT Devel
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