Update SDL2 to latest source (1a50334)

This commit is contained in:
Alex Szpakowski
2022-01-15 18:04:29 -04:00
parent efebc0bef9
commit c47dad7f2f
1058 changed files with 13019 additions and 10172 deletions
+234 -43
View File
@@ -23,6 +23,11 @@ if(WINDOWS_STORE)
target_compile_options(sdl-build-options INTERFACE "-ZW")
endif()
# Build in parallel under Visual Studio. Not enabled by default.
if(MSVC)
target_compile_options(sdl-build-options INTERFACE "/MP")
endif(MSVC)
# !!! FIXME: this should probably do "MACOSX_RPATH ON" as a target property
# !!! FIXME: for the SDL2 shared library (so you get an
@@ -61,12 +66,12 @@ include(${SDL2_SOURCE_DIR}/cmake/sdlchecks.cmake)
# set SDL_BINARY_AGE and SDL_INTERFACE_AGE to 0.
set(SDL_MAJOR_VERSION 2)
set(SDL_MINOR_VERSION 0)
set(SDL_MICRO_VERSION 18)
set(SDL_INTERFACE_AGE 0)
set(SDL_BINARY_AGE 18)
set(SDL_MICRO_VERSION 20)
set(SDL_INTERFACE_AGE 2)
set(SDL_BINARY_AGE 20)
set(SDL_VERSION "${SDL_MAJOR_VERSION}.${SDL_MINOR_VERSION}.${SDL_MICRO_VERSION}")
# the following should match the versions in Xcode project file:
set(DYLIB_CURRENT_VERSION 19.0.0)
set(DYLIB_CURRENT_VERSION 19.2.0)
set(DYLIB_COMPATIBILITY_VERSION 1.0.0)
# Set defaults preventing destination file conflicts
@@ -224,7 +229,7 @@ if(APPLE OR ARCH_64 OR MSVC_CLANG)
set(OPT_DEF_SSEMATH ON)
endif()
endif()
if(UNIX OR MINGW OR MSYS OR (USE_CLANG AND NOT WINDOWS) OR VITA)
if(UNIX OR MINGW OR MSYS OR (USE_CLANG AND NOT WINDOWS) OR VITA OR PSP)
set(OPT_DEF_LIBC ON)
endif()
@@ -328,7 +333,7 @@ if(EMSCRIPTEN)
set(SDL_CPUINFO_ENABLED_BY_DEFAULT OFF)
endif()
if(VITA)
if(VITA OR PSP)
set(SDL_SHARED_ENABLED_BY_DEFAULT OFF)
set(SDL_LOADSO_ENABLED_BY_DEFAULT OFF)
endif()
@@ -367,6 +372,10 @@ foreach(_SUB ${SDL_SUBSYSTEMS})
option(SDL_${_OPT} "Enable the ${_SUB} subsystem" ${SDL_${_OPT}_ENABLED_BY_DEFAULT})
endforeach()
# Allow some projects to be built conditionally.
set_option(SDL2_DISABLE_SDL2MAIN "Disable building/installation of SDL2main" OFF)
set_option(SDL2_DISABLE_UNINSTALL "Disable uninstallation of SDL2" OFF)
option_string(SDL_ASSERTIONS "Enable internal sanity checks (auto/disabled/release/enabled/paranoid)" "auto")
#set_option(SDL_DEPENDENCY_TRACKING "Use gcc -MMD -MT dependency tracking" ON)
set_option(SDL_LIBC "Use the system C library" ${OPT_DEF_LIBC})
@@ -916,12 +925,14 @@ if(SDL_LIBC)
endif()
check_library_exists(iconv iconv_open "" HAVE_LIBICONV)
check_library_exists(c iconv_open "" HAVE_BUILTIN_ICONV)
if(HAVE_BUILTIN_ICONV)
set(HAVE_ICONV 1)
elseif(HAVE_LIBICONV)
if(HAVE_LIBICONV)
list(APPEND EXTRA_LIBS iconv)
set(HAVE_ICONV 1)
else()
check_library_exists(c iconv_open "" HAVE_BUILTIN_ICONV)
if(HAVE_BUILTIN_ICONV)
set(HAVE_ICONV 1)
endif()
endif()
if(NOT APPLE)
@@ -1360,7 +1371,7 @@ elseif(UNIX AND NOT APPLE AND NOT ANDROID AND NOT RISCOS AND NOT HAIKU)
if(HAVE_LIBUNWIND_H)
# We've already found the header, so REQUIRE the lib to be present
pkg_search_module(UNWIND REQUIRED libunwind)
pkg_search_module(UNWIND_GENERIC REQUIRED libunwind-generic)
pkg_search_module(UNWIND_GENERIC libunwind-generic)
list(APPEND EXTRA_LIBS ${UNWIND_LIBRARIES} ${UNWIND_GENERIC_LIBRARIES})
endif()
endif()
@@ -1572,10 +1583,15 @@ elseif(WINDOWS)
#include <xinput.h>
XINPUT_STATE_EX s1;
int main(int argc, char **argv) { }" HAVE_XINPUT_STATE_EX)
check_include_file(windows.gaming.input.h HAVE_WINDOWS_GAMING_INPUT_H)
check_c_source_compiles("
#define COBJMACROS
#include <windows.gaming.input.h>
__x_ABI_CWindows_CGaming_CInput_CIGamepadStatics2 *s2;
int main(int argc, char **argv) { }" HAVE_WINDOWS_GAMING_INPUT_H)
endif()
# headers needed elsewhere
check_include_file(tpcshrd.h HAVE_TPCSHRD_H)
check_include_file(mmdeviceapi.h HAVE_MMDEVICEAPI_H)
check_include_file(audioclient.h HAVE_AUDIOCLIENT_H)
check_include_file(sensorsapi.h HAVE_SENSORSAPI_H)
@@ -1780,8 +1796,11 @@ elseif(WINDOWS)
if(MINGW OR CYGWIN)
list(APPEND EXTRA_LIBS mingw32)
list(APPEND EXTRA_LDFLAGS "-mwindows")
set(SDL_CFLAGS "${SDL_CFLAGS} -Dmain=SDL_main")
list(APPEND SDL_LIBS "-lmingw32" "-lSDL2main" "-mwindows")
list(APPEND SDL_LIBS "-lmingw32" "-mwindows")
if(NOT SDL2_DISABLE_SDL2MAIN)
set(SDL_CFLAGS "${SDL_CFLAGS} -Dmain=SDL_main")
list(APPEND SDL_LIBS "-lSDL2main")
endif(NOT SDL2_DISABLE_SDL2MAIN)
endif()
elseif(APPLE)
@@ -2205,6 +2224,7 @@ elseif(RISCOS)
if(SDL_AUDIO)
CheckOSS()
endif()
elseif(VITA)
# SDL_spinlock.c Needs to be compiled in ARM mode.
check_c_compiler_flag(-marm HAVE_ARM_MODE)
@@ -2285,7 +2305,6 @@ elseif(VITA)
if(VIDEO_VITA_PVR)
check_include_file(gpu_es4/psp2_pvr_hint.h HAVE_PVR_H)
if(HAVE_PVR_H)
target_compile_definitions(sdl-build-options INTERFACE "-D__psp2__")
set(SDL_VIDEO_OPENGL_EGL 1)
@@ -2334,21 +2353,25 @@ elseif(VITA)
taihen_stub
)
endif()
if(HAVE_VITA_PVR)
list(PREPEND EXTRA_LIBS
SceIme_stub
)
endif()
endif()
set(HAVE_ARMSIMD TRUE)
set(SDL_ARM_SIMD_BLITTERS 1)
file(GLOB ARMSIMD_SOURCES ${SDL2_SOURCE_DIR}/src/video/arm/pixman-arm-simd*.S)
set(SOURCE_FILES ${SOURCE_FILES} ${ARMSIMD_SOURCES})
# set(HAVE_ARMSIMD TRUE)
# set(SDL_ARM_SIMD_BLITTERS 1)
# file(GLOB ARMSIMD_SOURCES ${SDL2_SOURCE_DIR}/src/video/arm/pixman-arm-simd*.S)
# set(SOURCE_FILES ${SOURCE_FILES} ${ARMSIMD_SOURCES})
set(HAVE_ARMNEON TRUE)
set(SDL_ARM_NEON_BLITTERS 1)
file(GLOB ARMNEON_SOURCES ${SDL2_SOURCE_DIR}/src/video/arm/pixman-arm-neon*.S)
set(SOURCE_FILES ${SOURCE_FILES} ${ARMNEON_SOURCES})
# set(HAVE_ARMNEON TRUE)
# set(SDL_ARM_NEON_BLITTERS 1)
# file(GLOB ARMNEON_SOURCES ${SDL2_SOURCE_DIR}/src/video/arm/pixman-arm-neon*.S)
# set(SOURCE_FILES ${SOURCE_FILES} ${ARMNEON_SOURCES})
set_property(SOURCE ${SDL2_SOURCE_DIR}/src/video/arm/pixman-arm-simd-asm.S PROPERTY LANGUAGE C)
set_property(SOURCE ${SDL2_SOURCE_DIR}/src/video/arm/pixman-arm-neon-asm.S PROPERTY LANGUAGE C)
# set_property(SOURCE ${SDL2_SOURCE_DIR}/src/video/arm/pixman-arm-simd-asm.S PROPERTY LANGUAGE C)
# set_property(SOURCE ${SDL2_SOURCE_DIR}/src/video/arm/pixman-arm-neon-asm.S PROPERTY LANGUAGE C)
target_compile_definitions(sdl-build-options INTERFACE "-D__VITA__")
target_compile_definitions(sdl-build-options INTERFACE "-Dmemcpy=sceClibMemcpy")
@@ -2358,6 +2381,137 @@ elseif(VITA)
# CheckPTHREAD()
elseif(PSP)
file(GLOB PSP_MAIN_SOURCES ${SDL2_SOURCE_DIR}/src/main/psp/*.c)
set(SDLMAIN_SOURCES ${SDLMAIN_SOURCES} ${PSP_MAIN_SOURCES})
if(SDL_AUDIO)
set(SDL_AUDIO_DRIVER_PSP 1)
file(GLOB PSP_AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/psp/*.c)
set(SOURCE_FILES ${SOURCE_FILES} ${PSP_AUDIO_SOURCES})
set(HAVE_SDL_AUDIO TRUE)
endif()
if(SDL_FILESYSTEM)
set(SDL_FILESYSTEM_PSP 1)
file(GLOB PSP_FILESYSTEM_SOURCES ${SDL2_SOURCE_DIR}/src/filesystem/psp/*.c)
set(SOURCE_FILES ${SOURCE_FILES} ${PSP_FILESYSTEM_SOURCES})
set(HAVE_SDL_FILESYSTEM TRUE)
endif()
if(SDL_JOYSTICK)
set(SDL_JOYSTICK_PSP 1)
file(GLOB PSP_JOYSTICK_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/psp/*.c)
set(SOURCE_FILES ${SOURCE_FILES} ${PSP_JOYSTICK_SOURCES})
set(HAVE_SDL_JOYSTICK TRUE)
endif()
if(SDL_POWER)
set(SDL_POWER_PSP 1)
file(GLOB PSP_POWER_SOURCES ${SDL2_SOURCE_DIR}/src/power/psp/*.c)
set(SOURCE_FILES ${SOURCE_FILES} ${PSP_POWER_SOURCES})
set(HAVE_SDL_POWER TRUE)
endif()
if(SDL_THREADS)
set(SDL_THREAD_PSP 1)
file(GLOB PSP_THREAD_SOURCES ${SDL2_SOURCE_DIR}/src/thread/generic/SDL_systls.c ${SDL2_SOURCE_DIR}/src/thread/psp/*.c)
set(SOURCE_FILES ${SOURCE_FILES} ${PSP_THREAD_SOURCES})
set(HAVE_SDL_THREADS TRUE)
endif()
if(SDL_TIMERS)
set(SDL_TIMER_PSP 1)
file(GLOB PSP_TIMER_SOURCES ${SDL2_SOURCE_DIR}/src/timer/psp/*.c)
set(SOURCE_FILES ${SOURCE_FILES} ${PSP_TIMER_SOURCES})
set(HAVE_SDL_TIMERS TRUE)
endif()
if(SDL_VIDEO)
set(SDL_VIDEO_DRIVER_PSP 1)
set(SDL_VIDEO_RENDER_PSP 1)
file(GLOB PSP_VIDEO_SOURCES ${SDL2_SOURCE_DIR}/src/video/psp/*.c)
set(SOURCE_FILES ${SOURCE_FILES} ${PSP_VIDEO_SOURCES})
set(SDL_VIDEO_OPENGL 1)
set(HAVE_SDL_VIDEO TRUE)
endif()
list(APPEND EXTRA_LIBS
psppower
pspctrl
psphprm
pspge
pspgu
pspdisplay
pspvfpu
pspaudio
pspvram
GL
)
elseif(OS2)
list(APPEND EXTRA_CFLAGS "-DOS2EMX_PLAIN_CHAR")
file(GLOB CORE_SOURCES ${SDL2_SOURCE_DIR}/src/core/os2/*.c)
set(SOURCE_FILES ${SOURCE_FILES} ${CORE_SOURCES})
if(NOT (HAVE_ICONV AND HAVE_ICONV_H))
file(GLOB CORE_SOURCES ${SDL2_SOURCE_DIR}/src/core/os2/geniconv/*.c)
set(SOURCE_FILES ${SOURCE_FILES} ${CORE_SOURCES})
endif()
if(SDL_THREADS)
set(SDL_THREAD_OS2 1)
file(GLOB OS2_THREAD_SOURCES ${SDL2_SOURCE_DIR}/src/thread/os2/*.c)
set(SOURCE_FILES ${SOURCE_FILES} ${OS2_THREAD_SOURCES})
set(HAVE_SDL_THREADS TRUE)
endif()
if(SDL_TIMERS)
set(SDL_TIMER_UNIX 1)
file(GLOB OS2_TIMER_SOURCES ${SDL2_SOURCE_DIR}/src/timer/os2/*.c)
set(SOURCE_FILES ${SOURCE_FILES} ${OS2_TIMER_SOURCES})
set(HAVE_SDL_TIMERS TRUE)
endif()
if(SDL_LOADSO)
set(SDL_LOADSO_OS2 1)
file(GLOB OS2_LOADSO_SOURCES ${SDL2_SOURCE_DIR}/src/loadso/os2/*.c)
set(SOURCE_FILES ${SOURCE_FILES} ${OS2_LOADSO_SOURCES})
set(HAVE_SDL_LOADSO TRUE)
endif()
if(SDL_FILESYSTEM)
set(SDL_FILESYSTEM_OS2 1)
file(GLOB FILESYSTEM_SOURCES ${SDL2_SOURCE_DIR}/src/filesystem/os2/*.c)
set(SOURCE_FILES ${SOURCE_FILES} ${FILESYSTEM_SOURCES})
set(HAVE_SDL_FILESYSTEM TRUE)
endif()
if(SDL_LOCALE)
file(GLOB LOCALE_SOURCES ${SDL2_SOURCE_DIR}/src/locale/unix/*.c)
set(SOURCE_FILES ${SOURCE_FILES} ${LOCALE_SOURCES})
set(HAVE_SDL_LOCALE TRUE)
endif()
if(SDL_VIDEO)
set(SDL_VIDEO_DRIVER_OS2 1)
file(GLOB OS2_VIDEO_SOURCES ${SDL2_SOURCE_DIR}/src/video/os2/*.c)
set(SOURCE_FILES ${SOURCE_FILES} ${OS2_VIDEO_SOURCES})
set(HAVE_SDL_VIDEO TRUE)
endif()
if(SDL_AUDIO)
set(SDL_AUDIO_DRIVER_OS2 1)
file(GLOB OS2_AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/os2/*.c)
set(SOURCE_FILES ${SOURCE_FILES} ${OS2_AUDIO_SOURCES})
set(HAVE_SDL_AUDIO TRUE)
list(APPEND EXTRA_LIBS mmpm2)
endif()
if(SDL_JOYSTICK)
set(SDL_JOYSTICK_OS2 1)
file(GLOB OS2_JOYSTICK_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/os2/*.c)
set(SOURCE_FILES ${SOURCE_FILES} ${OS2_JOYSTICK_SOURCES})
set(HAVE_SDL_JOYSTICK TRUE)
endif()
if(SDL_HIDAPI)
CheckHIDAPI()
endif()
endif()
if(SDL_VULKAN AND NOT SDL_LOADSO)
@@ -2602,7 +2756,7 @@ if (SDL_ASAN)
asan_check_add_debug_flag("leak")
# The object size sanitizer has no effect on unoptimized builds on Clang,
# but causes warnings.
if((NOT USE_CLANG) OR (CMAKE_BUILD_TYPE STREQUAL ""))
if((NOT USE_CLANG) OR ("${CMAKE_BUILD_TYPE}" STREQUAL ""))
asan_check_add_debug_flag("object-size")
endif()
endif()
@@ -2631,7 +2785,7 @@ foreach(_OPT ${ALLOPTIONS})
string(RANDOM LENGTH ${_PADLEN} ALPHABET " " _PADDING)
message_tested_option(${_OPT} ${_PADDING})
endforeach()
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
if("${CMAKE_BUILD_TYPE}" STREQUAL "Debug")
message(STATUS "")
message(STATUS " CMAKE_C_FLAGS_DEBUG: ${CMAKE_C_FLAGS_DEBUG}")
message(STATUS " CMAKE_CXX_FLAGS_DEBUG: ${CMAKE_CXX_FLAGS_DEBUG}")
@@ -2676,14 +2830,13 @@ endif()
# Ensure that the extra cflags are used at compile time
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_CFLAGS}")
# Always build SDLmain
if(NOT WINDOWS_STORE)
if(NOT WINDOWS_STORE AND NOT SDL2_DISABLE_SDL2MAIN)
# Build SDLmain
add_library(SDL2main STATIC ${SDLMAIN_SOURCES})
# alias target for in-tree builds
add_library(SDL2::SDL2main ALIAS SDL2main)
target_include_directories(SDL2main BEFORE PRIVATE "${SDL2_BINARY_DIR}/include")
target_include_directories(SDL2main PUBLIC "$<BUILD_INTERFACE:${SDL2_SOURCE_DIR}/include>" $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}> $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/SDL2>)
set(_INSTALL_LIBS "SDL2main")
if (NOT ANDROID)
set_target_properties(SDL2main PROPERTIES DEBUG_POSTFIX "${SDL_CMAKE_DEBUG_POSTFIX}")
endif()
@@ -2714,6 +2867,9 @@ if(SDL_SHARED)
if(WINDOWS OR CYGWIN)
set_target_properties(SDL2 PROPERTIES
DEFINE_SYMBOL DLL_EXPORT)
elseif(OS2)
set_target_properties(SDL2 PROPERTIES
DEFINE_SYMBOL BUILD_SDL)
endif()
set_target_properties(SDL2 PROPERTIES
VERSION ${SDL_VERSION}
@@ -2729,7 +2885,6 @@ if(SDL_SHARED)
endif()
set_target_properties(SDL2 PROPERTIES STATIC_LIBRARY_FLAGS "/NODEFAULTLIB")
endif()
set(_INSTALL_LIBS "SDL2" ${_INSTALL_LIBS})
target_link_libraries(SDL2 PRIVATE ${EXTRA_LIBS} ${EXTRA_LDFLAGS})
target_include_directories(SDL2 BEFORE PRIVATE "${SDL2_BINARY_DIR}/include")
target_include_directories(SDL2 PUBLIC "$<BUILD_INTERFACE:${SDL2_SOURCE_DIR}/include>;$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>;$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/SDL2>")
@@ -2761,7 +2916,6 @@ if(SDL_STATIC)
endif()
# TODO: Win32 platforms keep the same suffix .lib for import and static
# libraries - do we need to consider this?
set(_INSTALL_LIBS "SDL2-static" ${_INSTALL_LIBS})
target_link_libraries(SDL2-static PRIVATE ${EXTRA_LIBS} ${EXTRA_LDFLAGS})
target_include_directories(SDL2-static BEFORE PRIVATE "${SDL2_BINARY_DIR}/include")
target_include_directories(SDL2-static PUBLIC "$<BUILD_INTERFACE:${SDL2_SOURCE_DIR}/include>" $<INSTALL_INTERFACE:include> $<INSTALL_INTERFACE:include/SDL2>)
@@ -2790,10 +2944,26 @@ if(SDL_TEST)
endif()
##### Installation targets #####
install(TARGETS ${_INSTALL_LIBS} EXPORT SDL2Targets
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
if(SDL_SHARED)
install(TARGETS SDL2 EXPORT SDL2Targets
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
endif()
if(NOT WINDOWS_STORE AND NOT SDL2_DISABLE_SDL2MAIN)
install(TARGETS SDL2main EXPORT SDL2mainTargets
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
endif()
if(SDL_STATIC)
install(TARGETS SDL2-static EXPORT SDL2staticTargets
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
endif()
##### Export files #####
if (WINDOWS AND NOT MINGW)
@@ -2808,11 +2978,30 @@ write_basic_package_version_file("${CMAKE_BINARY_DIR}/SDL2ConfigVersion.cmake"
COMPATIBILITY AnyNewerVersion
)
install(EXPORT SDL2Targets
FILE SDL2Targets.cmake
NAMESPACE SDL2::
DESTINATION ${PKG_PREFIX}
)
if(SDL_SHARED)
install(EXPORT SDL2Targets
FILE SDL2Targets.cmake
NAMESPACE SDL2::
DESTINATION ${PKG_PREFIX}
)
endif()
if(NOT WINDOWS_STORE AND NOT SDL2_DISABLE_SDL2MAIN)
install(EXPORT SDL2mainTargets
FILE SDL2mainTargets.cmake
NAMESPACE SDL2::
DESTINATION ${PKG_PREFIX}
)
endif()
if(SDL_STATIC)
install(EXPORT SDL2staticTargets
FILE SDL2staticTargets.cmake
NAMESPACE SDL2::
DESTINATION ${PKG_PREFIX}
)
endif()
install(
FILES
${CMAKE_CURRENT_SOURCE_DIR}/SDL2Config.cmake
@@ -2841,7 +3030,7 @@ if(NOT (WINDOWS OR CYGWIN) OR MINGW)
if(SDL_SHARED)
set(SOEXT ${CMAKE_SHARED_LIBRARY_SUFFIX}) # ".so", ".dylib", etc.
get_target_property(SONAME SDL2 OUTPUT_NAME)
if(NOT ANDROID AND NOT MINGW)
if(NOT ANDROID AND NOT MINGW AND NOT OS2)
install(CODE "
execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink
\"lib${SONAME}${SOPOSTFIX}${SOEXT}\" \"libSDL2${SOPOSTFIX}${SOEXT}\"
@@ -2863,6 +3052,7 @@ endif()
##### Uninstall target #####
if(NOT SDL2_DISABLE_UNINSTALL)
if(NOT TARGET uninstall)
configure_file(
"${CMAKE_CURRENT_SOURCE_DIR}/cmake_uninstall.cmake.in"
@@ -2872,3 +3062,4 @@ if(NOT TARGET uninstall)
add_custom_target(uninstall
COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake)
endif()
endif(NOT SDL2_DISABLE_UNINSTALL)