SDL.git · CMakeLists.txt
SDL.git / CMakeLists.txt
revision 2c8c2d72b501a945e35097f6056a7e4d54065e3f · bounded preview
cmake_minimum_required(VERSION 3.16)
if(NOT DEFINED CMAKE_BUILD_TYPE)
set(cmake_build_type_undefined 1)
endif()
# See docs/release_checklist.md
project(SDL3 LANGUAGES C VERSION "3.3.0")
if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
set(SDL3_MAINPROJECT ON)
else()
set(SDL3_MAINPROJECT OFF)
endif()
# Add UTF-8 encoding support for MSVC compiler.
# This ensures that the MSVC compiler interprets source files as UTF-8 encoded,
# which is useful for projects containing non-ASCII characters in source files.
add_compile_options("$<$<C_COMPILER_ID:MSVC>:/utf-8>")
add_compile_options("$<$<CXX_COMPILER_ID:MSVC>:/utf-8>")
# By default, configure SDL3 in RelWithDebInfo configuration
if(SDL3_MAINPROJECT)
get_property(is_multi_config GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
if(is_multi_config)
# The first item in CMAKE_CONFIGURATION_TYPES is the default configuration
if(DEFINED CMAKE_CONFIGURATION_TYPES AND "RelWithDebInfo" IN_LIST CMAKE_CONFIGURATION_TYPES)
list(REMOVE_ITEM CMAKE_CONFIGURATION_TYPES "RelWithDebInfo")
list(INSERT CMAKE_CONFIGURATION_TYPES 0 "RelWithDebInfo")
set(CMAKE_CONFIGURATION_TYPES "${CMAKE_CONFIGURATION_TYPES}" CACHE STRING "CMake configuration types" FORCE)
endif()
else()
if(cmake_build_type_undefined)
set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING "CMake build type" FORCE)
endif()
endif()
endif()
# CMake 3.0 expands the "if(${A})" in "set(OFF 1);set(A OFF);if(${A})" to "if(1)"
# CMake 3.24+ emits a warning when not set.
unset(OFF)
unset(ON)
if(POLICY CMP0054)
cmake_policy(SET CMP0054 NEW)
endif()
include(CheckLibraryExists)
include(CheckIncludeFile)
include(CheckLanguage)
include(CheckSymbolExists)
include(CheckCSourceCompiles)
include(CheckCSourceRuns)
include(CheckCCompilerFlag)
include(CheckCXXCompilerFlag)
include(CheckStructHasMember)
include(CMakeDependentOption)
include(CMakeParseArguments)
include(CMakePushCheckState)
include(GNUInstallDirs)
if(NOT DEFINED OpenGL_GL_PREFERENCE)
set(OpenGL_GL_PREFERENCE GLVND)
endif()
find_package(PkgConfig)
list(APPEND CMAKE_MODULE_PATH "${SDL3_SOURCE_DIR}/cmake")
include("${SDL3_SOURCE_DIR}/cmake/macros.cmake")
include("${SDL3_SOURCE_DIR}/cmake/sdlchecks.cmake")
include("${SDL3_SOURCE_DIR}/cmake/sdlcommands.cmake")
include("${SDL3_SOURCE_DIR}/cmake/sdlcompilers.cmake")
include("${SDL3_SOURCE_DIR}/cmake/sdlcpu.cmake")
include("${SDL3_SOURCE_DIR}/cmake/sdlmanpages.cmake")
include("${SDL3_SOURCE_DIR}/cmake/sdlplatform.cmake")
include("${SDL3_SOURCE_DIR}/cmake/GetGitRevisionDescription.cmake")
include("${SDL3_SOURCE_DIR}/cmake/3rdparty.cmake")
include("${SDL3_SOURCE_DIR}/cmake/PreseedMSVCCache.cmake")
include("${SDL3_SOURCE_DIR}/cmake/PreseedEmscriptenCache.cmake")
include("${SDL3_SOURCE_DIR}/cmake/PreseedNokiaNGageCache.cmake")
SDL_DetectCompiler()
SDL_DetectTargetCPUArchitectures(SDL_CPUS)
if(APPLE AND CMAKE_OSX_ARCHITECTURES)
list(LENGTH CMAKE_OSX_ARCHITECTURES _num_arches)
if(_num_arches GREATER 1)
set(APPLE_MULTIARCH TRUE)
endif()
endif()
# Increment this if there is an incompatible change - but if that happens,
# we should rename the library from SDL3 to SDL4, at which point this would
# reset to 0 anyway.
set(SDL_SO_VERSION_MAJOR "0")
set(SDL_SO_VERSION_MINOR "${PROJECT_VERSION_MINOR}")
set(SDL_SO_VERSION_PATCH "${PROJECT_VERSION_PATCH}")
set(SDL_SO_VERSION "${SDL_SO_VERSION_MAJOR}.${SDL_SO_VERSION_MINOR}.${SDL_SO_VERSION_PATCH}")
if(PROJECT_VERSION_MINOR MATCHES "[02468]$")
math(EXPR SDL_DYLIB_COMPAT_VERSION_MAJOR "100 * ${PROJECT_VERSION_MINOR} + 1")
set(SDL_DYLIB_COMPAT_VERSION_MINOR "0")
math(EXPR SDL_DYLIB_CURRENT_VERSION_MAJOR "${SDL_DYLIB_COMPAT_VERSION_MAJOR}")
set(SDL_DYLIB_CURRENT_VERSION_MINOR "${PROJECT_VERSION_PATCH}")
else()
math(EXPR SDL_DYLIB_COMPAT_VERSION_MAJOR "100 * ${PROJECT_VERSION_MINOR} + ${PROJECT_VERSION_PATCH} + 1")
set(SDL_DYLIB_COMPAT_VERSION_MINOR "0")
math(EXPR SDL_DYLIB_CURRENT_VERSION_MAJOR "${SDL_DYLIB_COMPAT_VERSION_MAJOR}")
set(SDL_DYLIB_CURRENT_VERSION_MINOR "0")
endif()
set(SDL_DYLIB_CURRENT_VERSION_PATCH "0")
set(SDL_DYLIB_COMPAT_VERSION_PATCH "0")
set(SDL_DYLIB_CURRENT_VERSION "${SDL_DYLIB_CURRENT_VERSION_MAJOR}.${SDL_DYLIB_CURRENT_VERSION_MINOR}.${SDL_DYLIB_CURRENT_VERSION_PATCH}")
set(SDL_DYLIB_COMPAT_VERSION "${SDL_DYLIB_COMPAT_VERSION_MAJOR}.${SDL_DYLIB_COMPAT_VERSION_MINOR}.${SDL_DYLIB_COMPAT_VERSION_PATCH}")
message(DEBUG "SDL_SO_VERSION=${SDL_SO_VERSION} SDL_DYLIB_CURRENT_VERSION=${SDL_DYLIB_CURRENT_VERSION} SDL_DYLIB_COMPAT_VERSION=${SDL_DYLIB_COMPAT_VERSION}")
set(SDL_FRAMEWORK_VERSION "A")
set(SDL_CHECK_REQUIRED_INCLUDES "" CACHE STRING "Extra includes (for CMAKE_REQUIRED_INCLUDES)")
set(SDL_CHECK_REQUIRED_LINK_OPTIONS "" CACHE STRING "Extra link options (for CMAKE_REQUIRED_LINK_OPTIONS)")
mark_as_advanced(SDL_CHECK_REQUIRED_INCLUDES SDL_CHECK_REQUIRED_LINK_OPTIONS)
string(APPEND CMAKE_REQUIRED_FLAGS " -D_GNU_SOURCE=1")
list(APPEND CMAKE_REQUIRED_INCLUDES ${SDL_CHECK_REQUIRED_INCLUDES})
list(APPEND CMAKE_REQUIRED_LINK_OPTIONS ${SDL_CHECK_REQUIRED_LINK_OPTIONS})
# Get the platform
SDL_DetectCMakePlatform()
# Don't mistake macOS for unix
if(UNIX AND NOT ANDROID AND NOT APPLE AND NOT RISCOS)
set(UNIX_SYS ON)
else()
set(UNIX_SYS OFF)
endif()
if(UNIX OR APPLE)
set(UNIX_OR_MAC_SYS ON)
else()
set(UNIX_OR_MAC_SYS OFF)
endif()
# Emscripten pthreads work, but you need to have a non-pthread fallback build
# for systems without support. It's not currently enough to not use
# pthread functions in a pthread-build; it won't start up on unsupported
# browsers. As such, you have to explicitly enable it on Emscripten builds
# for the time being. This default will change to ON once this becomes
# commonly supported in browsers or the Emscripten team makes a single
# binary work everywhere.
if (UNIX_OR_MAC_SYS AND NOT EMSCRIPTEN)
set(SDL_PTHREADS_DEFAULT ON)
else()
set(SDL_PTHREADS_DEFAULT OFF)
endif()
if(UNIX_SYS OR ANDROID)
set(SDL_CLOCK_GETTIME_DEFAULT ON)
else()
set(SDL_CLOCK_GETTIME_DEFAULT OFF)
endif()
# The hidraw support doesn't catch Xbox, PS4 and Nintendo controllers,
# so we'll just use libusb when it's available. libusb does not support iOS,
# so we default to yes on iOS.
if(IOS OR TVOS OR VISIONOS OR WATCHOS OR ANDROID OR NGAGE)
set(SDL_HIDAPI_LIBUSB_AVAILABLE FALSE)
else()
set(SDL_HIDAPI_LIBUSB_AVAILABLE TRUE)
endif()
set(SDL_ASSEMBLY_DEFAULT OFF)
if(USE_CLANG OR USE_GCC OR USE_INTELCC OR MSVC_VERSION GREATER 1400)
set(SDL_ASSEMBLY_DEFAULT ON)
endif()
set(SDL_GCC_ATOMICS_DEFAULT OFF)
if(USE_GCC OR USE_CLANG OR USE_INTELCC OR USE_QCC)
set(SDL_GCC_ATOMICS_DEFAULT ON)
endif()
# Default option knobs
set(SDL_LIBC_DEFAULT ON)
set(SDL_SYSTEM_ICONV_DEFAULT ON)
if(WINDOWS OR MACOS OR IOS OR TVOS OR VISIONOS OR WATCHOS)
set(SDL_SYSTEM_ICONV_DEFAULT OFF)
endif()
set(SDL_RELOCATABLE_DEFAULT OFF)
if(MSVC)
set(SDL_RELOCATABLE_DEFAULT ON)
endif()
set(SDL_SHARED_DEFAULT ON)
set(SDL_STATIC_DEFAULT ON)
set(SDL_SHARED_AVAILABLE ON)
set(SDL_STATIC_AVAILABLE ON)
# All these *_DEFAULT vars will default to ON if not specified,
# so you only need to override them if they need to be disabled.
if(EMSCRIPTEN)
# Set up default values for the currently supported set of subsystems:
# Emscripten/Javascript does not have assembly support, a dynamic library
# loading architecture, or low-level CPU inspection.
set(SDL_ASSEMBLY_DEFAULT OFF)
set(SDL_SHARED_AVAILABLE OFF)
endif()
if(VITA OR PSP OR PS2 OR N3DS OR RISCOS OR NGAGE)
set(SDL_SHARED_AVAILABLE OFF)
endif()
if((RISCOS OR UNIX_SYS) AND NOT (LINUX OR NETBSD OR OPENBSD))
set(SDL_OSS_DEFAULT ON)
else()
set(SDL_OSS_DEFAULT OFF)
endif()
if(SDL_SHARED_DEFAULT AND SDL_STATIC_DEFAULT AND SDL_SHARED_AVAILABLE)
if(DEFINED BUILD_SHARED_LIBS)
# When defined, use BUILD_SHARED_LIBS as default
if(BUILD_SHARED_LIBS)
set(SDL_STATIC_DEFAULT OFF)
else()
set(SDL_SHARED_DEFAULT OFF)
endif()
else()
# Default to just building the shared library
set(SDL_STATIC_DEFAULT OFF)
endif()
endif()
dep_option(SDL_DEPS_SHARED "Load dependencies dynamically" ON SDL_SHARED_AVAILABLE OFF)
set(SDL_SUBSYSTEMS )
macro(define_sdl_subsystem _name)
cmake_parse_arguments("_ds" "" "" "DEPS" ${ARGN})
string(TOUPPER ${_name} _uname)
if(NOT DEFINED SDL_${_uname}_DEFAULT)
set(SDL_${_uname}_DEFAULT ON)
endif()
if(_ds_DEPS)
cmake_dependent_option(SDL_${_uname} "Enable the ${_name} subsystem" "${SDL_${_uname}_DEFAULT}" "${_ds_DEPS}" OFF)
else()
option(SDL_${_uname} "Enable the ${_name} subsystem" "${SDL_${_uname}_DEFAULT}")
endif()
list(APPEND SDL_SUBSYSTEMS "${_name}")
endmacro()
define_sdl_subsystem(Audio)
define_sdl_subsystem(Video)
define_sdl_subsystem(GPU DEPS SDL_VIDEO)
define_sdl_subsystem(Render DEPS SDL_VIDEO)
define_sdl_subsystem(Camera DEPS SDL_VIDEO)
define_sdl_subsystem(Joystick)
define_sdl_subsystem(Haptic)
define_sdl_subsystem(Hidapi)
define_sdl_subsystem(Power)
define_sdl_subsystem(Sensor)
define_sdl_subsystem(Dialog)
define_sdl_subsystem(Tray)
cmake_dependent_option(SDL_FRAMEWORK "Build SDL libraries as Apple Framework" OFF "APPLE" OFF)
if(SDL_FRAMEWORK)
set(SDL_STATIC_AVAILABLE FALSE)
endif()
if(UNIX AND NOT ANDROID AND NOT RISCOS AND NOT SDL_FRAMEWORK)
set(SDL_RPATH_DEFAULT ON)
else()
set(SDL_RPATH_DEFAULT OFF)
endif()
set(SDL_PRESEED_AVAILABLE OFF)
if(COMMAND SDL_Preseed_CMakeCache)
set(SDL_PRESEED_AVAILABLE ON)
endif()
set(SDL_X11_XRANDR_DEFAULT ON)
if(SOLARIS)
set(SDL_X11_XRANDR_DEFAULT OFF)
endif()
# Allow some projects to be built conditionally.
set_option(SDL_INSTALL "Enable installation of SDL3" ${SDL3_MAINPROJECT})
cmake_dependent_option(SDL_INSTALL_CPACK "Create binary SDL3 archive using CPack" ${SDL3_MAINPROJECT} "SDL_INSTALL" ON)
cmake_dependent_option(SDL_INSTALL_DOCS "Install docs for SDL3" OFF "SDL_INSTALL;NOT SDL_FRAMEWORK" ON)
set_option(SDL_UNINSTALL "Enable uninstallation of SDL3" ${SDL3_MAINPROJECT})
cmake_dependent_option(SDL_PRESEED "Preseed CMake cache to speed up configuration" ON "${SDL_PRESEED_AVAILABLE}" OFF)
cmake_dependent_option(SDL_RELOCATABLE "Create relocatable SDL package" ${SDL_RELOCATABLE_DEFAULT} "SDL_INSTALL" OFF)
cmake_dependent_option(SDL_ANDROID_JAR "Enable creation of SDL3.jar" ${SDL3_MAINPROJECT} "ANDROID" ON)
option_string(SDL_ASSERTIONS "Enable internal sanity checks (auto/disabled/release/enabled/paranoid)" "auto")
set_option(SDL_ASSEMBLY "Enable assembly routines" ${SDL_ASSEMBLY_DEFAULT})
dep_option(SDL_AVX "Use AVX assembly routines" ON "SDL_ASSEMBLY;SDL_CPU_X86 OR SDL_CPU_X64" OFF)
dep_option(SDL_AVX2 "Use AVX2 assembly routines" ON "SDL_ASSEMBLY;SDL_CPU_X86 OR SDL_CPU_X64" OFF)
dep_option(SDL_AVX512F "Use AVX512F assembly routines" ON "SDL_ASSEMBLY;SDL_CPU_X86 OR SDL_CPU_X64" OFF)
dep_option(SDL_SSE "Use SSE assembly routines" ON "SDL_ASSEMBLY;SDL_CPU_X86 OR SDL_CPU_X64" OFF)
dep_option(SDL_SSE2 "Use SSE2 assembly routines" ON "SDL_ASSEMBLY;SDL_CPU_X86 OR SDL_CPU_X64" OFF)
dep_option(SDL_SSE3 "Use SSE3 assembly routines" ON "SDL_ASSEMBLY;SDL_CPU_X86 OR SDL_CPU_X64" OFF)
dep_option(SDL_SSE4_1 "Use SSE4.1 assembly routines" ON "SDL_ASSEMBLY;SDL_CPU_X86 OR SDL_CPU_X64" OFF)
dep_option(SDL_SSE4_2 "Use SSE4.2 assembly routines" ON "SDL_ASSEMBLY;SDL_CPU_X86 OR SDL_CPU_X64" OFF)
dep_option(SDL_MMX "Use MMX assembly routines" ON "SDL_ASSEMBLY;SDL_CPU_X86 OR SDL_CPU_X64" OFF)
dep_option(SDL_ALTIVEC "Use Altivec assembly routines" ON "SDL_ASSEMBLY;SDL_CPU_POWERPC32 OR SDL_CPU_POWERPC64" OFF)
dep_option(SDL_ARMNEON "Use NEON assembly routines" ON "SDL_ASSEMBLY;SDL_CPU_ARM32 OR SDL_CPU_ARM64" OFF)
dep_option(SDL_LSX "Use LSX assembly routines" ON "SDL_ASSEMBLY;SDL_CPU_LOONGARCH64" OFF)
dep_option(SDL_LASX "Use LASX assembly routines" ON "SDL_ASSEMBLY;SDL_CPU_LOONGARCH64" OFF)
dep_option(SDL_DLOPEN_NOTES "Record dlopen dependencies in .note.dlopen section" TRUE UNIX_SYS OFF)
set_option(SDL_LIBC "Use the system C library" ${SDL_LIBC_DEFAULT})
set_option(SDL_SYSTEM_ICONV "Use iconv() from system-installed libraries" ${SDL_SYSTEM_ICONV_DEFAULT})
set_option(SDL_LIBICONV "Prefer iconv() from libiconv, if available, over libc version" OFF)
set_option(SDL_GCC_ATOMICS "Use gcc builtin atomics" ${SDL_GCC_ATOMICS_DEFAULT})
dep_option(SDL_DBUS "Enable D-Bus support" ON "${UNIX_SYS}" OFF)
dep_option(SDL_LIBURING "Enable liburing support" ON "${UNIX_SYS}" OFF)
dep_option(SDL_DISKAUDIO "Support the disk writer audio driver" ON "SDL_AUDIO" OFF)
dep_option(SDL_DUMMYAUDIO "Support the dummy audio driver" ON "SDL_AUDIO" OFF)
dep_option(SDL_DUMMYVIDEO "Use dummy video driver" ON "SDL_VIDEO" OFF)
dep_option(SDL_IBUS "Enable IBus support" ON "${UNIX_SYS}" OFF)
dep_option(SDL_OPENGL "Include OpenGL support" ON "SDL_VIDEO;NOT IOS;NOT VISIONOS;NOT TVOS;NOT WATCHOS" OFF)
dep_option(SDL_OPENGLES "Include OpenGL ES support" ON "SDL_VIDEO;NOT VISIONOS;NOT TVOS;NOT WATCHOS" OFF)
set_option(SDL_PTHREADS "Use POSIX threads for multi-threading" ${SDL_PTHREADS_DEFAULT})
dep_option(SDL_PTHREADS_SEM "Use pthread semaphores" ON "SDL_PTHREADS" OFF)
dep_option(SDL_OSS "Support the OSS audio API" ${SDL_OSS_DEFAULT} "UNIX_SYS OR RISCOS;SDL_AUDIO" OFF)
dep_option(SDL_ALSA "Support the ALSA audio API" ${UNIX_SYS} "SDL_AUDIO" OFF)
dep_option(SDL_ALSA_SHARED "Dynamically load ALSA audio support" ON "SDL_ALSA;SDL_DEPS_SHARED" OFF)
dep_option(SDL_JACK "Support the JACK audio API" ${UNIX_SYS} "SDL_AUDIO" OFF)
dep_option(SDL_JACK_SHARED "Dynamically load JACK audio support" ON "SDL_JACK;SDL_DEPS_SHARED" OFF)
set_option(SDL_PIPEWIRE "Use Pipewire audio" ${UNIX_SYS})
dep_option(SDL_PIPEWIRE_SHARED "Dynamically load Pipewire support" ON "SDL_PIPEWIRE;SDL_DEPS_SHARED" OFF)
dep_option(SDL_PULSEAUDIO "Use PulseAudio" ${UNIX_SYS} "SDL_AUDIO" OFF)
dep_option(SDL_PULSEAUDIO_SHARED "Dynamically load PulseAudio support" ON "SDL_PULSEAUDIO;SDL_DEPS_SHARED" OFF)
dep_option(SDL_SNDIO "Support the sndio audio API" ${UNIX_SYS} "SDL_AUDIO" OFF)
dep_option(SDL_SNDIO_SHARED "Dynamically load the sndio audio API" ON "SDL_SNDIO;SDL_DEPS_SHARED" OFF)
set_option(SDL_RPATH "Use an rpath when linking SDL" ${SDL_RPATH_DEFAULT})
set_option(SDL_CLOCK_GETTIME "Use clock_gettime() instead of gettimeofday()" ${SDL_CLOCK_GETTIME_DEFAULT})
dep_option(SDL_X11 "Use X11 video driver" ${UNIX_SYS} "SDL_VIDEO" OFF)
dep_option(SDL_X11_SHARED "Dynamically load X11 support" ON "SDL_X11;SDL_DEPS_SHARED" OFF)
dep_option(SDL_X11_XCURSOR "Enable Xcursor support" ON SDL_X11 OFF)
dep_option(SDL_X11_XDBE "Enable Xdbe support" ON SDL_X11 OFF)
dep_option(SDL_X11_XINPUT "Enable XInput support" ON SDL_X11 OFF)
dep_option(SDL_X11_XFIXES "Enable Xfixes support" ON SDL_X11 OFF)
dep_option(SDL_X11_XRANDR "Enable Xrandr support" "${SDL_X11_XRANDR_DEFAULT}" SDL_X11 OFF)
dep_option(SDL_X11_XSCRNSAVER "Enable Xscrnsaver support" ON SDL_X11 OFF)
dep_option(SDL_X11_XSHAPE "Enable XShape support" ON SDL_X11 OFF)
dep_option(SDL_X11_XSYNC "Enable Xsync support" ON SDL_X11 OFF)
dep_option(SDL_X11_XTEST "Enable XTest support" ON SDL_X11 OFF)
dep_option(SDL_WAYLAND "Use Wayland video driver" ${UNIX_SYS} "SDL_VIDEO" OFF)
dep_option(SDL_WAYLAND_SHARED "Dynamically load Wayland support" ON "SDL_WAYLAND;SDL_DEPS_SHARED" OFF)
dep_option(SDL_WAYLAND_LIBDECOR "Use client-side window decorations on Wayland" ON "SDL_WAYLAND" OFF)
dep_option(SDL_WAYLAND_LIBDECOR_SHARED "Dynamically load libdecor support" ON "SDL_WAYLAND_LIBDECOR;SDL_WAYLAND_SHARED;SDL_DEPS_SHARED" OFF)
dep_option(SDL_RPI "Use Raspberry Pi video driver" ON "SDL_VIDEO;UNIX_SYS;SDL_CPU_ARM32 OR SDL_CPU_ARM64" OFF)
dep_option(SDL_ROCKCHIP "Use ROCKCHIP Hardware Acceleration video driver" ON "SDL_VIDEO;UNIX_SYS;SDL_CPU_ARM32 OR SDL_CPU_ARM64" OFF)
dep_option(SDL_COCOA "Use Cocoa video driver" ON "APPLE" OFF)
dep_option(SDL_DIRECTX "Use DirectX for Windows audio/video" ON "SDL_AUDIO OR SDL_VIDEO;WINDOWS" OFF)
dep_option(SDL_XINPUT "Use Xinput for Windows" ON "WINDOWS" OFF)
dep_option(SDL_WASAPI "Use the Windows WASAPI audio driver" ON "WINDOWS;SDL_AUDIO" OFF)
dep_option(SDL_RENDER_D3D "Enable the Direct3D 9 render driver" ON "SDL_RENDER;SDL_DIRECTX" OFF)
dep_option(SDL_RENDER_D3D11 "Enable the Direct3D 11 render driver" ON "SDL_RENDER;SDL_DIRECTX" OFF)
dep_option(SDL_RENDER_D3D12 "Enable the Direct3D 12 render driver" ON "SDL_RENDER;SDL_DIRECTX" OFF)
dep_option(SDL_RENDER_METAL "Enable the Metal render driver" ON "SDL_RENDER;APPLE" OFF)
dep_option(SDL_RENDER_GPU "Enable the SDL_GPU render driver" ON "SDL_RENDER;SDL_GPU" OFF)
dep_option(SDL_VIVANTE "Use Vivante EGL video driver" ON "${UNIX_SYS};SDL_CPU_ARM32" OFF)
dep_option(SDL_VULKAN "Enable Vulkan support" ON "SDL_VIDEO;ANDROID OR APPLE OR LINUX OR FREEBSD OR WINDOWS" OFF)
dep_option(SDL_RENDER_VULKAN "Enable the Vulkan render driver" ON "SDL_RENDER;SDL_VULKAN" OFF)
dep_option(SDL_METAL "Enable Metal support" ON "APPLE" OFF)
set_option(SDL_OPENVR "Use OpenVR video driver" OFF)
dep_option(SDL_KMSDRM "Use KMS DRM video driver" ${UNIX_SYS} "SDL_VIDEO" OFF)
dep_option(SDL_KMSDRM_SHARED "Dynamically load KMS DRM support" ON "SDL_KMSDRM;SDL_DEPS_SHARED" OFF)
set_option(SDL_OFFSCREEN "Use offscreen video driver" ON)
dep_option(SDL_DUMMYCAMERA "Support the dummy camera driver" ON SDL_CAMERA OFF)
option_string(SDL_BACKGROUNDING_SIGNAL "number to use for magic backgrounding signal or 'OFF'" OFF)
option_string(SDL_FOREGROUNDING_SIGNAL "number to use for magic foregrounding signal or 'OFF'" OFF)
dep_option(SDL_HIDAPI "Enable the HIDAPI subsystem" ON "NOT VISIONOS" OFF)
dep_option(SDL_HIDAPI_LIBUSB "Use libusb for low level joystick drivers" ON SDL_HIDAPI_LIBUSB_AVAILABLE OFF)
dep_option(SDL_HIDAPI_LIBUSB_SHARED "Dynamically load libusb support" ON "SDL_HIDAPI_LIBUSB;SDL_DEPS_SHARED" OFF)
dep_option(SDL_HIDAPI_JOYSTICK "Use HIDAPI for low level joystick drivers" ON SDL_HIDAPI OFF)
dep_option(SDL_VIRTUAL_JOYSTICK "Enable the virtual-joystick driver" ON SDL_HIDAPI OFF)
set_option(SDL_LIBUDEV "Enable libudev support" ON)
set_option(SDL_ASAN "Use AddressSanitizer to detect memory errors" OFF)
set_option(SDL_CCACHE "Use Ccache to speed up build" OFF)
set_option(SDL_CLANG_TIDY "Run clang-tidy static analysis" OFF)
set(SDL_VENDOR_INFO "" CACHE STRING "Vendor name and/or version to add to SDL_REVISION")
cmake_dependent_option(SDL_SHARED "Build a shared version of the library" ${SDL_SHARED_DEFAULT} ${SDL_SHARED_AVAILABLE} OFF)
cmake_dependent_option(SDL_STATIC "Build a static version of the library" ${SDL_STATIC_DEFAULT} ${SDL_STATIC_AVAILABLE} OFF)
option(SDL_TEST_LIBRARY "Build the SDL3_test library" ON)
dep_option(SDL_TESTS "Build the test directory" OFF SDL_TEST_LIBRARY OFF)
dep_option(SDL_INSTALL_TESTS "Install test-cases" OFF "SDL_INSTALL;NOT SDL_FRAMEWORK" OFF)
dep_option(SDL_TESTS_LINK_SHARED "link tests to shared SDL library" "${SDL_SHARED}" "SDL_SHARED;SDL_STATIC" "${SDL_SHARED}")
set(SDL_TESTS_TIMEOUT_MULTIPLIER "1" CACHE STRING "Timeout multiplier to account for really slow machines")
set_option(SDL_EXAMPLES "Build the examples directory")
dep_option(SDL_EXAMPLES_LINK_SHARED "link examples to shared SDL library" "${SDL_SHARED}" "SDL_SHARED;SDL_STATIC" "${SDL_SHARED}")
if(VITA)
set_option(VIDEO_VITA_PIB "Build with PSVita piglet gles2 support" OFF)
set_option(VIDEO_VITA_PVR "Build with PSVita PVR gles/gles2 support" OFF)
endif()
if (NGAGE)
set(SDL_GPU OFF)
set(SDL_CAMERA OFF)
set(SDL_JOYSTICK OFF)
set(SDL_HAPTIC OFF)
set(SDL_HIDAPI OFF)
set(SDL_POWER OFF)
set(SDL_SENSOR OFF)
set(SDL_DIALOG OFF)
set(SDL_DISKAUDIO OFF)
set(SDL_DUMMYAUDIO OFF)
set(SDL_DUMMYCAMERA OFF)
set(SDL_DUMMYVIDEO OFF)
set(SDL_OFFSCREEN OFF)
set(SDL_RENDER_GPU OFF)
set(SDL_TRAY OFF)
set(SDL_VIRTUAL_JOYSTICK OFF)
endif()
if(NOT (SDL_SHARED OR SDL_STATIC))
message(FATAL_ERROR "SDL_SHARED and SDL_STATIC cannot both be disabled")
endif()
if(SDL_PRESEED)
SDL_Preseed_CMakeCache()
endif()
if(MSVC)
if(NOT SDL_LIBC)
# Make sure /RTC1 is disabled, otherwise it will use functions from the CRT
foreach(flag_var
CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO
CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
string(REGEX REPLACE "/RTC(su|[1su])" "" ${flag_var} "${${flag_var}}")
endforeach(flag_var)
set(CMAKE_MSVC_RUNTIME_CHECKS "")
endif()
if(MSVC_CLANG)
# clang-cl treats /W4 as '-Wall -Wextra' -- we don't need -Wextra
foreach(flag_var
CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO)
string(REGEX REPLACE "/W4" "/W3" ${flag_var} "${${flag_var}}")
endforeach(flag_var)
endif()
endif()
if(SDL_SHARED)
add_library(SDL3-shared SHARED)
add_library(SDL3::SDL3-shared ALIAS SDL3-shared)
SDL_AddCommonCompilerFlags(SDL3-shared)
target_compile_definitions(SDL3-shared PRIVATE "$<$<CONFIG:Debug>:DEBUG>")
set_property(TARGET SDL3-shared PROPERTY UNITY_BUILD OFF)
if ("c_std_99" IN_LIST CMAKE_C_COMPILE_FEATURES)
target_compile_features(SDL3-shared PRIVATE c_std_99)
else()
message(WARNING "target_compile_features does not know c_std_99 for C compiler")
endif()
endif()
if(SDL_STATIC)
add_library(SDL3-static STATIC)
add_library(SDL3::SDL3-static ALIAS SDL3-static)
SDL_AddCommonCompilerFlags(SDL3-static)
target_compile_definitions(SDL3-static PRIVATE "$<$<CONFIG:Debug>:DEBUG>")
set_property(TARGET SDL3-static PROPERTY UNITY_BUILD OFF)
if ("c_std_99" IN_LIST CMAKE_C_COMPILE_FEATURES)
target_compile_features(SDL3-static PRIVATE c_std_99)
else()
message(WARNING "target_compile_features does not know c_std_99 for C compiler")
endif()
endif()
if(SDL_TEST_LIBRARY)
add_library(SDL3_test STATIC)
add_library(SDL3::SDL3_test ALIAS SDL3_test)
SDL_AddCommonCompilerFlags(SDL3_test)
target_compile_definitions(SDL3_test PRIVATE "$<$<CONFIG:Debug>:DEBUG>")
endif()
# Make sure SDL3::SDL3 always exists
if(TARGET SDL3::SDL3-shared)
add_library(SDL3::SDL3 ALIAS SDL3-shared)
else()
add_library(SDL3::SDL3 ALIAS SDL3-static)
endif()
sdl_pc_link_options("-lSDL3")
# Enable large file support on 32-bit glibc, so that we can access files
# with large inode numbers
check_symbol_exists("__GLIBC__" "stdlib.h" LIBC_IS_GLIBC)
if (LIBC_IS_GLIBC AND CMAKE_SIZEOF_VOID_P EQUAL 4)
# Enable large file support on 32-bit glibc, so that we can access files with large inode numbers
sdl_compile_definitions(PRIVATE "_FILE_OFFSET_BITS=64")
# Enable 64-bit time_t on 32-bit glibc, so that time stamps remain correct beyond January 2038
sdl_compile_definitions(PRIVATE "_TIME_BITS=64")
endif()
check_linker_supports_version_file(HAVE_WL_VERSION_SCRIPT)
if(HAVE_WL_VERSION_SCRIPT)
sdl_shared_link_options("-Wl,--version-script=${CMAKE_CURRENT_SOURCE_DIR}/src/dynapi/SDL_dynapi.sym")
else()
if((LINUX AND LIBC_IS_GLIBC) OR ANDROID)
message(FATAL_ERROR "Linker does not support '-Wl,--version-script=xxx.sym'. This is required on the current host platform (${SDL_CMAKE_PLATFORM}).")
endif()
endif()
if(CYGWIN)
# We build SDL on cygwin without the UNIX emulation layer
sdl_include_directories(PUBLIC SYSTEM "/usr/include/mingw")
cmake_push_check_state()
string(APPEND CMAKE_REQUIRED_FLAGS " -mno-cygwin")
check_c_source_compiles("int main(int argc, char **argv) { return 0; }"
HAVE_GCC_NO_CYGWIN)
cmake_pop_check_state()
if(HAVE_GCC_NO_CYGWIN)
sdl_shared_link_options("-mno-cygwin")
endif()
endif()
# General includes
sdl_compile_definitions(PRIVATE "USING_GENERATED_CONFIG_H")
sdl_include_directories(
PRIVATE
"${SDL3_BINARY_DIR}/include-config-$<LOWER_CASE:$<CONFIG>>/build_config"
"${SDL3_BINARY_DIR}/include-revision"
"${SDL3_SOURCE_DIR}/include"
)
# Note: The clang toolset for Visual Studio does not support the '-idirafter' option.
if(USE_GCC OR USE_INTELCC OR (USE_CLANG AND NOT MSVC_CLANG))
sdl_compile_options(NO_EXPORT PRIVATE "$<BUILD_INTERFACE:-idirafter${SDL3_SOURCE_DIR}/src/video/khronos>")
else()
sdl_include_directories(NO_EXPORT SYSTEM PRIVATE "$<BUILD_INTERFACE:${SDL3_SOURCE_DIR}/src/video/khronos>")
endif()
if(MSVC AND TARGET SDL3-shared AND NOT SDL_LIBC)
if(SDL_CPU_X64)
enable_language(ASM_MASM)
set(asm_src "${SDL3_SOURCE_DIR}/src/stdlib/SDL_mslibc_x64.masm")
target_compile_options(SDL3-shared PRIVATE "$<$<COMPILE_LANGUAGE:ASM_MASM>:/nologo>")
set_property(SOURCE "${asm_src}" PROPERTY LANGUAGE "ASM_MASM")
target_sources(SDL3-shared PRIVATE "${asm_src}")
elseif(SDL_CPU_ARM64)
enable_language(ASM_MARMASM)
set(asm_src "${SDL3_SOURCE_DIR}/src/stdlib/SDL_mslibc_arm64.masm")
target_compile_options(SDL3-shared PRIVATE "$<$<COMPILE_LANGUAGE:ASM_MARMASM>:/nologo>")
set_property(SOURCE "${asm_src}" PROPERTY LANGUAGE "ASM_MARMASM")
target_sources(SDL3-shared PRIVATE "${asm_src}")
elseif(SDL_CPU_ARM32)
# FIXME
endif()
endif()
if(USE_INTELCC)
# warning #39: division by zero
# warning #239: floating point underflow
# warning #264: floating-point value does not fit in required floating-point type
set_property(SOURCE "${SDL3_SOURCE_DIR}/src/libm/e_exp.c" APPEND_STRING PROPERTY COMPILE_FLAGS " -wd239 -wd264")
set_property(SOURCE "${SDL3_SOURCE_DIR}/src/libm/e_log.c" APPEND_STRING PROPERTY COMPILE_FLAGS " -wd39")
set_property(SOURCE "${SDL3_SOURCE_DIR}/src/libm/e_log10.c" APPEND_STRING PROPERTY COMPILE_FLAGS " -wd39")
set_property(SOURCE
"${SDL3_SOURCE_DIR}/src/libm/e_exp.c"
"${SDL3_SOURCE_DIR}/src/libm/e_log.c"
"${SDL3_SOURCE_DIR}/src/libm/e_log10.c"
PROPERTY SKIP_PRECOMPILE_HEADERS 1)
endif()
set(SDL_DEFAULT_ASSERT_LEVEL_CONFIGURED 1)
if(SDL_ASSERTIONS MATCHES "^(auto|)$")
# Do nada - use optimization settings to determine the assertion level
set(SDL_DEFAULT_ASSERT_LEVEL )
set(SDL_DEFAULT_ASSERT_LEVEL_CONFIGURED 0)
elseif(SDL_ASSERTIONS MATCHES "^(disabled|0)$")
set(SDL_DEFAULT_ASSERT_LEVEL 0)
elseif(SDL_ASSERTIONS MATCHES "^(release|1)$")
set(SDL_DEFAULT_ASSERT_LEVEL 1)
elseif(SDL_ASSERTIONS MATCHES "^(enabled|2)$")
set(SDL_DEFAULT_ASSERT_LEVEL 2)
elseif(SDL_ASSERTIONS MATCHES "^(paranoid|3)$")
set(SDL_DEFAULT_ASSERT_LEVEL 3)
else()
message(FATAL_ERROR "unknown assertion level")
endif()
set(HAVE_ASSERTIONS ${SDL_ASSERTIONS})
if(NOT SDL_BACKGROUNDING_SIGNAL STREQUAL "OFF")
sdl_compile_definitions(PRIVATE "SDL_BACKGROUNDING_SIGNAL=${SDL_BACKGROUNDING_SIGNAL}")
endif()
if(NOT SDL_FOREGROUNDING_SIGNAL STREQUAL "OFF")
sdl_compile_definitions(PRIVATE "SDL_FOREGROUNDING_SIGNAL=${SDL_FOREGROUNDING_SIGNAL}")
endif()
# Compiler option evaluation
if(USE_GCC OR USE_CLANG OR USE_INTELCC OR USE_QCC)
if(SDL_GCC_ATOMICS)
check_c_source_compiles("int main(int argc, char **argv) {
int a;
void *x, *y, *z;
__sync_lock_test_and_set(&a, 4);
__sync_lock_test_and_set(&x, y);
__sync_fetch_and_add(&a, 1);
__sync_bool_compare_and_swap(&a, 5, 10);
__sync_bool_compare_and_swap(&x, y, z);
return 0; }" COMPILER_SUPPORTS_GCC_ATOMICS)
set(HAVE_GCC_ATOMICS ${COMPILER_SUPPORTS_GCC_ATOMICS})
if(NOT HAVE_GCC_ATOMICS)
check_c_source_compiles("int main(int argc, char **argv) {
int a;
__sync_lock_test_and_set(&a, 1);
__sync_lock_release(&a);
return 0; }" COMPILER_SUPPORTS_SYNC_LOCK_TEST_AND_SET)
set(HAVE_GCC_SYNC_LOCK_TEST_AND_SET ${COMPILER_SUPPORTS_SYNC_LOCK_TEST_AND_SET})
endif()
endif()
cmake_push_check_state()
string(APPEND CMAKE_REQUIRED_FLAGS " -fvisibility=hidden -Werror")
check_c_source_compiles("
#if !defined(__GNUC__) || __GNUC__ < 4
#error SDL only uses visibility attributes in GCC 4 or newer
#endif
__attribute__((visibility(\"default\"))) int foo(void);
__attribute__((visibility(\"hidden\"))) int bar(void);
int foo(void) { return 0; }
int bar(void) { return 1; }
int main(void) { return 0; }" HAVE_GCC_FVISIBILITY)
cmake_pop_check_state()
if(APPLE)
check_c_compiler_flag(-Wno-error=deprecated-declarations COMPILER_SUPPORTS_WNO_ERROR_DEPRECATED_DECLARATIONS)
if(COMPILER_SUPPORTS_WNO_ERROR_DEPRECATED_DECLARATIONS)
sdl_compile_options(PRIVATE "-Wno-error=deprecated-declarations")
endif()
check_c_compiler_flag(-Wno-deprecated-declarations COMPILER_SUPPORTS_WNO_DEPRECATED_DECLARATIONS)
if(COMPILER_SUPPORTS_WNO_DEPRECATED_DECLARATIONS)
sdl_compile_options(PRIVATE "-Wno-deprecated-declarations")
endif()
endif()
if(APPLE)
check_linker_flag(C "-Wl,-undefined,error" LINKER_SUPPORTS_WL_UNDEFINED_ERROR)
if(LINKER_SUPPORTS_WL_UNDEFINED_ERROR)
sdl_shared_link_options("-Wl,-undefined,error")
endif()
elseif(NOT OPENBSD)
cmake_push_check_state()
check_linker_flag(C "-Wl,--no-undefined" LINKER_SUPPORTS_WL_NO_UNDEFINED)
#FIXME: originally this if had an additional "AND NOT (USE_CLANG AND WINDOWS)"
if(LINKER_SUPPORTS_WL_NO_UNDEFINED)
sdl_shared_link_options("-Wl,--no-undefined")
endif()
endif()
endif()
if(MSVC)
sdl_compile_definitions(
PRIVATE
"_CRT_SECURE_NO_DEPRECATE"
"_CRT_NONSTDC_NO_DEPRECATE"
"_CRT_SECURE_NO_WARNINGS"
)
# CET support was added in VS 2019 16.7
if(MSVC_VERSION GREATER 1926 AND CMAKE_GENERATOR_PLATFORM MATCHES "Win32|x64")
# Mark SDL3.dll as compatible with Control-flow Enforcement Technology (CET)
sdl_shared_link_options("-CETCOMPAT")
endif()
# for VS >= 17.14 targeting ARM64: inline the Interlocked funcs
if(MSVC_VERSION GREATER 1943 AND SDL_CPU_ARM64 AND NOT SDL_LIBC)
sdl_compile_options(PRIVATE "/forceInterlockedFunctions-")
endif()
endif()
if(CMAKE_C_COMPILER_ID STREQUAL "MSVC")
# Due to a limitation of Microsoft's LTO implementation, LTO must be disabled for memcpy and memset.
# The same applies to various functions normally belonging in the C library (for x86 architecture).
set_property(SOURCE "${SDL3_SOURCE_DIR}/src/stdlib/SDL_mslibc.c" APPEND_STRING PROPERTY COMPILE_FLAGS " /GL-")
endif()
if(SDL_ASSEMBLY)
set(HAVE_ASSEMBLY TRUE)
if(SDL_MMX)
cmake_push_check_state()
if(USE_GCC OR USE_CLANG OR USE_INTELCC)
string(APPEND CMAKE_REQUIRED_FLAGS " -mmmx")
endif()
check_x86_source_compiles([==[
#include <mmintrin.h>
void ints_add(int *dest, int *a, int *b, unsigned size) {
for (; size >= 2; size -= 2, dest += 2, a += 2, b += 2) {
*(__m64*)dest = _mm_add_pi32(*(__m64*)a, *(__m64*)b);
}
}
int main(int argc, char *argv[]) {
ints_add((int*)0, (int*)0, (int*)0, 0);
return 0;
}]==] COMPILER_SUPPORTS_MMX)
cmake_pop_check_state()
if(COMPILER_SUPPORTS_MMX)
set(HAVE_MMX TRUE)
endif()
endif()
if(SDL_SSE)
cmake_push_check_state()
if(USE_GCC OR USE_CLANG OR USE_INTELCC)
string(APPEND CMAKE_REQUIRED_FLAGS " -msse")
endif()
check_x86_source_compiles([==[
#include <xmmintrin.h>
void floats_add(float *dest, float *a, float *b, unsigned size) {
for (; size >= 4; size -= 4, dest += 4, a += 4, b += 4) {
_mm_storeu_ps(dest, _mm_add_ps(_mm_loadu_ps(a), _mm_loadu_ps (b)));
}
}
int main(int argc, char **argv) {
floats_add((float*)0, (float*)0, (float*)0, 0);
return 0;
}]==] COMPILER_SUPPORTS_SSE)
cmake_pop_check_state()
if(COMPILER_SUPPORTS_SSE)
set(HAVE_SSE TRUE)
endif()
endif()
if(SDL_SSE2)
cmake_push_check_state()
if(USE_GCC OR USE_CLANG OR USE_INTELCC)
string(APPEND CMAKE_REQUIRED_FLAGS " -msse2")
endif()
check_x86_source_compiles([==[
#include <emmintrin.h>
void doubles_add(double *dest, double *a, double *b, unsigned size) {
for (; size >= 4; size -= 4, dest += 4, a += 4, b += 4) {
_mm_store_pd(dest, _mm_add_pd(_mm_loadu_pd(a), _mm_loadu_pd(b)));
}
}
int main(int argc, char **argv) {
doubles_add((double*)0, (double*)0, (double*)0, 0);
return 0;
}]==] COMPILER_SUPPORTS_SSE2)
cmake_pop_check_state()
if(COMPILER_SUPPORTS_SSE2)
set(HAVE_SSE2 TRUE)
endif()
endif()
if(SDL_SSE3)
cmake_push_check_state()
if(USE_GCC OR USE_CLANG OR USE_INTELCC)
string(APPEND CMAKE_REQUIRED_FLAGS " -msse3")
endif()
check_x86_source_compiles([==[
#include <pmmintrin.h>
void ints_add(int *dest, int *a, int *b, unsigned size) {
for (; size >= 4; size -= 4, dest += 4, a += 4, b += 4) {
_mm_storeu_si128((__m128i*)dest, _mm_add_epi32(_mm_lddqu_si128((__m128i*)a), _mm_lddqu_si128((__m128i*)b)));
}
}
int main(int argc, char **argv) {
ints_add((int*)0, (int*)0, (int*)0, 0);
return 0;
}]==] COMPILER_SUPPORTS_SSE3)
cmake_pop_check_state()
if(COMPILER_SUPPORTS_SSE3)
set(HAVE_SSE3 TRUE)
endif()
endif()
if(SDL_SSE4_1)
cmake_push_check_state()
if(USE_GCC OR USE_CLANG OR USE_INTELCC)
string(APPEND CMAKE_REQUIRED_FLAGS " -msse4.1")
endif()
check_x86_source_compiles([==[
#include <smmintrin.h>
void ints_mul(int *dest, int *a, int *b, unsigned size) {
for (; size >= 4; size -= 4, dest += 4, a += 4, b += 4) {
_mm_storeu_si128((__m128i*)dest, _mm_mullo_epi32(_mm_lddqu_si128((__m128i*)a), _mm_lddqu_si128((__m128i*)b)));
}
}
int main(int argc, char **argv) {
ints_mul((int*)0, (int*)0, (int*)0, 0);
return 0;
}]==] COMPILER_SUPPORTS_SSE4_1)
cmake_pop_check_state()
if(COMPILER_SUPPORTS_SSE4_1)
set(HAVE_SSE4_1 TRUE)
endif()
endif()
if(SDL_SSE4_2)
cmake_push_check_state()
if(USE_GCC OR USE_CLANG OR USE_INTELCC)
string(APPEND CMAKE_REQUIRED_FLAGS " -msse4.2")
endif()
check_x86_source_compiles([==[
#include <nmmintrin.h>
__m128i bitmask;
char data[16];
int main(int argc, char **argv) {
bitmask = _mm_cmpgt_epi64(_mm_set1_epi64x(0), _mm_loadu_si128((void*)data));
return 0;
}]==] COMPILER_SUPPORTS_SSE4_2)
cmake_pop_check_state()
if(COMPILER_SUPPORTS_SSE4_2)
set(HAVE_SSE4_2 TRUE)
endif()
endif()
if(SDL_AVX)
cmake_push_check_state()
if(USE_GCC OR USE_CLANG OR USE_INTELCC)
string(APPEND CMAKE_REQUIRED_FLAGS " -mavx")
endif()
check_x86_source_compiles([==[
#include <immintrin.h>
void floats_add(float *dest, float *a, float *b, unsigned size) {
for (; size >= 8; size -= 8, dest += 8, a += 8, b += 8) {
_mm256_storeu_ps(dest, _mm256_add_ps(_mm256_loadu_ps(a), _mm256_loadu_ps(b)));
}
}
int main(int argc, char **argv) {
floats_add((float*)0, (float*)0, (float*)0, 0);
return 0;
}]==] COMPILER_SUPPORTS_AVX)
cmake_pop_check_state()
if(COMPILER_SUPPORTS_AVX)
set(HAVE_AVX TRUE)
endif()
endif()
if(SDL_AVX2)
cmake_push_check_state()
if(USE_GCC OR USE_CLANG OR USE_INTELCC)
string(APPEND CMAKE_REQUIRED_FLAGS " -mavx2")
endif()
check_x86_source_compiles([==[
#include <immintrin.h>
void ints_add(int *dest, int *a, int *b, unsigned size) {
for (; size >= 8; size -= 8, dest += 8, a += 8, b += 8) {
_mm256_storeu_si256((__m256i*)dest, _mm256_add_epi32(_mm256_loadu_si256((__m256i*)a), _mm256_loadu_si256((__m256i*)b)));
}
}
int main(int argc, char **argv) {
ints_add((int*)0, (int*)0, (int*)0, 0);
return 0;
}]==] COMPILER_SUPPORTS_AVX2)
cmake_pop_check_state()
if(COMPILER_SUPPORTS_AVX2)
set(HAVE_AVX2 TRUE)
endif()
endif()
if(SDL_AVX512F)
cmake_push_check_state()
if(USE_GCC OR USE_CLANG OR USE_INTELCC)
string(APPEND CMAKE_REQUIRED_FLAGS " -mavx512f")
endif()
check_x86_source_compiles([==[
#include <immintrin.h>
void floats_add(float *dest, float *a, float *b, unsigned size) {
for (; size >= 16; size -= 16, dest += 16, a += 16, b += 16) {
_mm512_storeu_ps(dest, _mm512_add_ps(_mm512_loadu_ps(a), _mm512_loadu_ps(b)));
}
}
int main(int argc, char **argv) {
floats_add((float*)0, (float*)0, (float*)0, 0);
return 0;
}]==] COMPILER_SUPPORTS_AVX512F)
cmake_pop_check_state()
if(COMPILER_SUPPORTS_AVX512F)
set(HAVE_AVX512F TRUE)
endif()
endif()
if(SDL_ARMNEON)
check_arm_source_compiles([==[
#include <arm_neon.h>
void floats_add(float *dest, float *a, float *b, unsigned size) {
for (; size >= 4; size -= 4, dest += 4, a += 4, b += 4) {
vst1q_f32(dest, vaddq_f32(vld1q_f32(a), vld1q_f32(b)));
}
}
int main(int argc, char *argv[]) {
floats_add((float*)0, (float*)0, (float*)0, 0);
return 0;
}]==] COMPILER_SUPPORTS_ARMNEON)
if(COMPILER_SUPPORTS_ARMNEON)
set(HAVE_ARMNEON TRUE)
endif()
endif()
if(USE_GCC OR USE_CLANG)
# TODO: Those all seem to be quite GCC specific - needs to be
# reworked for better compiler support
if(SDL_ALTIVEC)
cmake_push_check_state()
string(APPEND CMAKE_REQUIRED_FLAGS " -maltivec")
check_c_source_compiles("
#include <altivec.h>
vector unsigned int vzero() {
return vec_splat_u32(0);
}
int main(int argc, char **argv) { return 0; }" COMPILER_SUPPORTS_ALTIVEC)
cmake_pop_check_state()
if(COMPILER_SUPPORTS_ALTIVEC)
set(HAVE_ALTIVEC TRUE)
set(SDL_ALTIVEC_BLITTERS 1)
sdl_compile_options(PRIVATE "-maltivec")
set_property(SOURCE "${SDL3_SOURCE_DIR}/src/video/SDL_blit_N.c" APPEND PROPERTY COMPILE_DEFINITIONS "SDL_ENABLE_ALTIVEC")
set_property(SOURCE "${SDL3_SOURCE_DIR}/src/video/SDL_blit_N.c" PROPERTY SKIP_PRECOMPILE_HEADERS 1)
endif()
endif()
if(SDL_LSX)
cmake_push_check_state()
string(APPEND CMAKE_REQUIRED_FLAGS " -mlsx")
check_c_source_compiles("
#ifndef __loongarch_sx
#error Assembler CPP flag not enabled
#endif
int main(int argc, char **argv) { return 0; }" COMPILER_SUPPORTS_LSX)
check_include_file("lsxintrin.h" HAVE_LSXINTRIN_H)
cmake_pop_check_state()
if(COMPILER_SUPPORTS_LSX AND HAVE_LSXINTRIN_H)
set_property(SOURCE "${SDL3_SOURCE_DIR}/src/video/yuv2rgb/yuv_rgb_lsx.c" APPEND PROPERTY COMPILE_OPTIONS "-mlsx")
set(HAVE_LSX TRUE)
endif()
endif()
if(SDL_LASX)
cmake_push_check_state()
string(APPEND CMAKE_REQUIRED_FLAGS " -mlasx")
check_c_source_compiles("
#ifndef __loongarch_asx
#error Assembler CPP flag not enabled
#endif
int main(int argc, char **argv) { return 0; }" COMPILER_SUPPORTS_LASX)
check_include_file("lasxintrin.h" HAVE_LASXINTRIN_H)
cmake_pop_check_state()
if(COMPILER_SUPPORTS_LASX AND HAVE_LASXINTRIN_H)
set(HAVE_LASX TRUE)
endif()
endif()
endif()
endif()
if(NOT HAVE_MMX)
set(SDL_DISABLE_MMX 1)
endif()
if(NOT HAVE_SSE)
set(SDL_DISABLE_SSE 1)
endif()
if(NOT HAVE_SSE2)
set(SDL_DISABLE_SSE2 1)
endif()
if(NOT HAVE_SSE3)
set(SDL_DISABLE_SSE3 1)
endif()
if(NOT HAVE_SSE4_1)
set(SDL_DISABLE_SSE4_1 1)
endif()
if(NOT HAVE_SSE4_2)
set(SDL_DISABLE_SSE4_2 1)
endif()
if(NOT HAVE_AVX)
set(SDL_DISABLE_AVX 1)
endif()
if(NOT HAVE_AVX2)
set(SDL_DISABLE_AVX2 1)
endif()
if(NOT HAVE_AVX512F)
set(SDL_DISABLE_AVX512F 1)
endif()
if(NOT HAVE_LSX)
set(SDL_DISABLE_LSX 1)
endif()
if(NOT HAVE_LASX)
set(SDL_DISABLE_LASX 1)
endif()
if(NOT HAVE_ARMNEON)
set(SDL_DISABLE_NEON 1)
endif()
set(SDL_DISABLE_ALLOCA 0)
check_include_file("alloca.h" "HAVE_ALLOCA_H")
if(MSVC)
check_include_file("malloc.h" "HAVE_MALLOC_H")
check_symbol_exists("_alloca" "malloc.h" _ALLOCA_IN_MALLOC_H)
if(NOT HAVE_ALLOCA_H AND NOT _ALLOCA_IN_MALLOC_H)
set(SDL_DISABLE_ALLOCA 1)
endif()
endif()
# TODO: Can't deactivate on FreeBSD? w/o LIBC, SDL_stdinc.h can't define anything.
if(SDL_LIBC)
set(available_headers)
set(HAVE_LIBC TRUE)
set(headers_to_check
float.h
iconv.h
inttypes.h
limits.h
malloc.h
math.h
memory.h
signal.h
stdarg.h
stdbool.h
stddef.h
stdint.h
stdio.h
stdlib.h
string.h
strings.h
sys/types.h
time.h
wchar.h
)
foreach(_HEADER IN LISTS headers_to_check)
string(TOUPPER "${_HEADER}" HEADER_IDENTIFIER)
string(REGEX REPLACE "[./]" "_" HEADER_IDENTIFIER "${HEADER_IDENTIFIER}")
set(LIBC_HAS_VAR "LIBC_HAS_${HEADER_IDENTIFIER}")
check_include_file("${_HEADER}" "${LIBC_HAS_VAR}")
set(HAVE_${HEADER_IDENTIFIER} ${${LIBC_HAS_VAR}})
if(HAVE_${HEADER_IDENTIFIER})
list(APPEND available_headers "${_HEADER}")
endif()
endforeach()
set(symbols_to_check
abs acos acosf asin asinf atan atan2 atan2f atanf atof atoi
bcopy
ceil ceilf copysign copysignf cos cosf
_Exit exp expf
fabs fabsf floor floorf fmod fmodf fopen64 fseeko fseeko64
getenv
_i64toa index itoa
log log10 log10f logf lround lroundf _ltoa
malloc memcmp memcpy memmove memset modf modff
pow powf putenv
rindex round roundf
scalbn scalbnf setenv sin sinf sqr sqrt sqrtf sscanf strchr
strcmp strlcat strlcpy strlen strncmp strnlen strpbrk
strrchr strstr strnstr strtod strtok_r strtol strtoll strtoul strtoull
tan tanf trunc truncf
unsetenv
vsnprintf vsscanf
wcsnlen wcscmp wcsdup wcslcat wcslcpy wcslen wcsncmp wcsstr wcstol
)
if(WINDOWS)
list(APPEND symbols_to_check
_copysign _fseeki64 _strrev _ui64toa _uitoa _ultoa _wcsdup
)
else()
list(APPEND symbols_to_check
strcasestr
)
endif()
check_library_exists(m pow "" HAVE_LIBM)
cmake_push_check_state()
if(HAVE_LIBM)
sdl_link_dependency(math LIBS m)
list(APPEND CMAKE_REQUIRED_LIBRARIES m)
endif()
foreach(_FN IN LISTS symbols_to_check)
string(TOUPPER ${_FN} _UPPER)
set(LIBC_HAS_VAR "LIBC_HAS_${_UPPER}")
check_symbol_exists("${_FN}" "${available_headers}" ${LIBC_HAS_VAR})
set(HAVE_${_UPPER} ${${LIBC_HAS_VAR}})
endforeach()
cmake_pop_check_state()
cmake_push_check_state()
if(MSVC)
string(APPEND CMAKE_REQUIRED_FLAGS " -we4244 -WX") # 'conversion' conversion from 'type1' to 'type2', possible loss of data
elseif(HAVE_GCC_WFLOAT_CONVERSION)
string(APPEND CMAKE_REQUIRED_FLAGS " -Wfloat-conversion -Werror")
else()
string(APPEND CMAKE_REQUIRED_FLAGS " -Wconversion -Werror")
endif()
foreach(math_fn isinf isnan)
string(TOUPPER "${math_fn}" MATH_FN)
check_c_source_compiles("
#include <math.h>
int main() {
double d = 3.14159;
return ${math_fn}(d);
}
" LIBC_HAS_${MATH_FN})
set(HAVE_${MATH_FN} ${LIBC_HAS_${MATH_FN}})
check_c_source_compiles("
#include <math.h>
int main() {
float f = 3.14159f;
return ${math_fn}(f);
}
" LIBC_${MATH_FN}_HANDLES_FLOAT)
set(HAVE_${MATH_FN}_FLOAT_MACRO ${LIBC_${MATH_FN}_HANDLES_FLOAT})
check_c_source_compiles("
#include <math.h>
int main() {
float f = 3.14159f;
return ${math_fn}f(f);
}
" LIBC_HAS_${MATH_FN}F)
set(HAVE_${MATH_FN}F "${LIBC_HAS_${MATH_FN}F}")
endforeach()
cmake_pop_check_state()
if(NOT WINDOWS)
check_symbol_exists(fdatasync "unistd.h" HAVE_FDATASYNC)
check_symbol_exists(gethostname "unistd.h" HAVE_GETHOSTNAME)
check_symbol_exists(getpagesize "unistd.h" HAVE_GETPAGESIZE)
check_symbol_exists(sigaction "signal.h" HAVE_SIGACTION)
check_symbol_exists(sigtimedwait "signal.h" HAVE_SIGTIMEDWAIT)
check_symbol_exists(setjmp "setjmp.h" HAVE_SETJMP)
check_symbol_exists(nanosleep "time.h" HAVE_NANOSLEEP)
check_symbol_exists(gmtime_r "time.h" HAVE_GMTIME_R)
check_symbol_exists(localtime_r "time.h" HAVE_LOCALTIME_R)
check_symbol_exists(nl_langinfo "langinfo.h" HAVE_NL_LANGINFO)
check_symbol_exists(sysconf "unistd.h" HAVE_SYSCONF)
check_symbol_exists(sysctlbyname "sys/types.h;sys/sysctl.h" HAVE_SYSCTLBYNAME)
check_symbol_exists(getauxval "sys/auxv.h" HAVE_GETAUXVAL)
check_symbol_exists(elf_aux_info "sys/auxv.h" HAVE_ELF_AUX_INFO)
check_symbol_exists(poll "poll.h" HAVE_POLL)
check_symbol_exists(memfd_create "sys/mman.h" HAVE_MEMFD_CREATE)
check_symbol_exists(posix_fallocate "fcntl.h" HAVE_POSIX_FALLOCATE)
check_symbol_exists(posix_spawn_file_actions_addchdir "spawn.h" HAVE_POSIX_SPAWN_FILE_ACTIONS_ADDCHDIR)
check_symbol_exists(posix_spawn_file_actions_addchdir_np "spawn.h" HAVE_POSIX_SPAWN_FILE_ACTIONS_ADDCHDIR_NP)
if(SDL_SYSTEM_ICONV)
check_c_source_compiles("
#define LIBICONV_PLUG 1 /* in case libiconv header is in include path */
#include <stddef.h>
#include <iconv.h>
int main(int argc, char **argv) {
return !iconv_open(NULL,NULL);
}" ICONV_IN_LIBC)
cmake_push_check_state()
list(APPEND CMAKE_REQUIRED_LIBRARIES iconv)
check_c_source_compiles("
#include <stddef.h>
#include <iconv.h>
int main(int argc, char **argv) {
return !iconv_open(NULL,NULL);
}" ICONV_IN_LIBICONV)
cmake_pop_check_state()
if(ICONV_IN_LIBC OR ICONV_IN_LIBICONV)
set(HAVE_ICONV 1)
set(HAVE_SYSTEM_ICONV TRUE)
if(ICONV_IN_LIBICONV AND (SDL_LIBICONV OR (NOT ICONV_IN_LIBC)))
sdl_link_dependency(iconv LIBS iconv)
set(SDL_USE_LIBICONV 1)
set(HAVE_LIBICONV TRUE)
endif()
endif()
endif()
check_struct_has_member("struct sigaction" "sa_sigaction" "signal.h" HAVE_SA_SIGACTION)
check_struct_has_member("struct stat" "st_mtim" "sys/stat.h" HAVE_ST_MTIM)
endif()
else()
set(headers
stdarg.h
stddef.h
stdint.h
)
foreach(_HEADER ${headers})
string(TOUPPER "${_HEADER}" HEADER_IDENTIFIER)
string(REGEX REPLACE "[./]" "_" HEADER_IDENTIFIER "${HEADER_IDENTIFIER}")
set(LIBC_HAS_VAR "LIBC_HAS_${HEADER_IDENTIFIER}")
check_include_file("${_HEADER}" "${LIBC_HAS_VAR}")
set(HAVE_${HEADER_IDENTIFIER} ${${LIBC_HAS_VAR}})
endforeach()
if(MSVC AND USE_CLANG)
check_c_compiler_flag("/Q_no-use-libirc" HAS_Q_NO_USE_LIBIRC)
endif()
endif()
# General source files
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/*.c"
"${SDL3_SOURCE_DIR}/src/*.h"
"${SDL3_SOURCE_DIR}/src/atomic/*.c"
"${SDL3_SOURCE_DIR}/src/atomic/*.h"
"${SDL3_SOURCE_DIR}/src/audio/*.c"
"${SDL3_SOURCE_DIR}/src/audio/*.h"
"${SDL3_SOURCE_DIR}/src/camera/*.c"
"${SDL3_SOURCE_DIR}/src/camera/*.h"
"${SDL3_SOURCE_DIR}/src/core/*.c"
"${SDL3_SOURCE_DIR}/src/core/*.h"
"${SDL3_SOURCE_DIR}/src/cpuinfo/*.c"
"${SDL3_SOURCE_DIR}/src/cpuinfo/*.h"
"${SDL3_SOURCE_DIR}/src/dynapi/*.c"
"${SDL3_SOURCE_DIR}/src/dynapi/*.h"
"${SDL3_SOURCE_DIR}/src/events/*.c"
"${SDL3_SOURCE_DIR}/src/events/*.h"
"${SDL3_SOURCE_DIR}/src/io/*.c"
"${SDL3_SOURCE_DIR}/src/io/*.h"
"${SDL3_SOURCE_DIR}/src/io/generic/*.c"
"${SDL3_SOURCE_DIR}/src/io/generic/*.h"
"${SDL3_SOURCE_DIR}/src/filesystem/*.c"
"${SDL3_SOURCE_DIR}/src/filesystem/*.h"
"${SDL3_SOURCE_DIR}/src/gpu/*.c"
"${SDL3_SOURCE_DIR}/src/gpu/*.h"
"${SDL3_SOURCE_DIR}/src/joystick/*.c"
"${SDL3_SOURCE_DIR}/src/joystick/*.h"
"${SDL3_SOURCE_DIR}/src/haptic/*.c"
"${SDL3_SOURCE_DIR}/src/haptic/*.h"
"${SDL3_SOURCE_DIR}/src/hidapi/*.c"
"${SDL3_SOURCE_DIR}/src/hidapi/*.h"
"${SDL3_SOURCE_DIR}/src/locale/*.c"
"${SDL3_SOURCE_DIR}/src/locale/*.h"
"${SDL3_SOURCE_DIR}/src/main/*.c"
"${SDL3_SOURCE_DIR}/src/main/*.h"
"${SDL3_SOURCE_DIR}/src/misc/*.c"
"${SDL3_SOURCE_DIR}/src/misc/*.h"
"${SDL3_SOURCE_DIR}/src/power/*.c"
"${SDL3_SOURCE_DIR}/src/power/*.h"
"${SDL3_SOURCE_DIR}/src/render/*.c"
"${SDL3_SOURCE_DIR}/src/render/*.h"
"${SDL3_SOURCE_DIR}/src/render/*/*.c"
"${SDL3_SOURCE_DIR}/src/render/*/*.h"
"${SDL3_SOURCE_DIR}/src/sensor/*.c"
"${SDL3_SOURCE_DIR}/src/sensor/*.h"
"${SDL3_SOURCE_DIR}/src/stdlib/*.c"
"${SDL3_SOURCE_DIR}/src/stdlib/*.h"
"${SDL3_SOURCE_DIR}/src/storage/*.c"
"${SDL3_SOURCE_DIR}/src/storage/*.h"
"${SDL3_SOURCE_DIR}/src/thread/*.c"
"${SDL3_SOURCE_DIR}/src/thread/*.h"
"${SDL3_SOURCE_DIR}/src/time/*.c"
"${SDL3_SOURCE_DIR}/src/time/*.h"
"${SDL3_SOURCE_DIR}/src/timer/*.c"
"${SDL3_SOURCE_DIR}/src/timer/*.h"
"${SDL3_SOURCE_DIR}/src/video/*.c"
"${SDL3_SOURCE_DIR}/src/video/*.h"
"${SDL3_SOURCE_DIR}/src/video/yuv2rgb/*.c"
"${SDL3_SOURCE_DIR}/src/video/yuv2rgb/*.h"
)
# Build uclibc as a static library such that non-used symbols don't end up in the SDL3 shared library.
file(GLOB SDL_UCLIBC_SOURCES "${SDL3_SOURCE_DIR}/src/libm/*.c")
add_library(SDL_uclibc STATIC "${SDL_UCLIBC_SOURCES}")
target_compile_definitions(SDL_uclibc PRIVATE USING_GENERATED_CONFIG_H)
target_include_directories(SDL_uclibc PRIVATE "${SDL3_BINARY_DIR}/include-config-$<LOWER_CASE:$<CONFIG>>/build_config")
target_include_directories(SDL_uclibc PRIVATE "${SDL3_SOURCE_DIR}/src")
target_include_directories(SDL_uclibc PRIVATE "${SDL3_SOURCE_DIR}/include")
SDL_AddCommonCompilerFlags(SDL_uclibc)
target_compile_definitions(SDL_uclibc PRIVATE "$<$<CONFIG:Debug>:DEBUG>")
sdl_sources(STATIC "$<TARGET_OBJECTS:SDL_uclibc>")
set_property(TARGET SDL_uclibc PROPERTY UNITY_BUILD OFF)
if(TARGET SDL3-shared)
target_link_libraries(SDL3-shared PRIVATE SDL_uclibc)
endif()
if(HAVE_GCC_FVISIBILITY)
set_property(TARGET SDL_uclibc PROPERTY C_VISIBILITY_PRESET "hidden")
endif()
# Enable/disable various subsystems of the SDL library
foreach(_SUB ${SDL_SUBSYSTEMS})
string(TOUPPER ${_SUB} _OPT)
if(NOT SDL_${_OPT})
set(SDL_${_OPT}_DISABLED 1)
endif()
endforeach()
if(SDL_HAPTIC)
if(NOT SDL_JOYSTICK)
# Haptic requires some private functions from the joystick subsystem.
message(FATAL_ERROR "SDL_HAPTIC requires SDL_JOYSTICK, which is not enabled")
endif()
endif()
# General SDL subsystem options, valid for all platforms
if(SDL_AUDIO)
# CheckDummyAudio/CheckDiskAudio - valid for all platforms
if(SDL_DUMMYAUDIO)
set(SDL_AUDIO_DRIVER_DUMMY 1)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/audio/dummy/*.c"
"${SDL3_SOURCE_DIR}/src/audio/dummy/*.h"
)
set(HAVE_DUMMYAUDIO TRUE)
set(HAVE_SDL_AUDIO TRUE)
endif()
if(SDL_DISKAUDIO)
set(SDL_AUDIO_DRIVER_DISK 1)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/audio/disk/*.c"
"${SDL3_SOURCE_DIR}/src/audio/disk/*.h"
)
set(HAVE_DISKAUDIO TRUE)
set(HAVE_SDL_AUDIO TRUE)
endif()
endif()
if(SDL_CAMERA)
# CheckDummyCamera/CheckDiskCamera - valid for all platforms
if(SDL_DUMMYCAMERA)
set(SDL_CAMERA_DRIVER_DUMMY 1)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/camera/dummy/*.c"
"${SDL3_SOURCE_DIR}/src/camera/dummy/*.h"
)
set(HAVE_DUMMYCAMERA TRUE)
set(HAVE_SDL_CAMERA TRUE)
endif()
# !!! FIXME: for later.
#if(SDL_DISKCAMERA)
# set(SDL_CAMERA_DRIVER_DISK 1)
# sdl_glob_sources("${SDL3_SOURCE_DIR}/src/camera/disk/*.c")
# set(HAVE_DISKCAMERA TRUE)
# set(HAVE_SDL_CAMERA TRUE)
#endif()
endif()
if(UNIX OR APPLE)
# Relevant for Unix/Darwin only
set(DYNAPI_NEEDS_DLOPEN 1)
CheckDLOPEN()
if(HAVE_DLOPEN)
set(SDL_LOADSO_DLOPEN 1)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/loadso/dlopen/*.c"
"${SDL3_SOURCE_DIR}/src/loadso/dlopen/*.h"
)
set(HAVE_SDL_LOADSO TRUE)
endif()
endif()
if(UNIX OR APPLE OR HAIKU OR RISCOS)
CheckO_CLOEXEC()
endif()
if(SDL_JOYSTICK)
if(SDL_VIRTUAL_JOYSTICK)
set(HAVE_VIRTUAL_JOYSTICK TRUE)
set(SDL_JOYSTICK_VIRTUAL 1)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/joystick/virtual/*.c"
"${SDL3_SOURCE_DIR}/src/joystick/virtual/*.h"
)
endif()
endif()
if(SDL_VIDEO)
if(SDL_DUMMYVIDEO)
set(SDL_VIDEO_DRIVER_DUMMY 1)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/video/dummy/*.c"
"${SDL3_SOURCE_DIR}/src/video/dummy/*.h"
)
set(HAVE_DUMMYVIDEO TRUE)
set(HAVE_SDL_VIDEO TRUE)
endif()
endif()
# Platform-specific options and settings
if(ANDROID)
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake/android")
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/core/android/*.c"
"${SDL3_SOURCE_DIR}/src/core/android/*.h"
)
sdl_sources("${CMAKE_ANDROID_NDK}/sources/android/cpufeatures/cpu-features.c")
set_property(SOURCE "${CMAKE_ANDROID_NDK}/sources/android/cpufeatures/cpu-features.c" APPEND_STRING PROPERTY COMPILE_FLAGS " -Wno-declaration-after-statement")
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/misc/android/*.c"
"${SDL3_SOURCE_DIR}/src/misc/android/*.h"
)
set(HAVE_SDL_MISC TRUE)
# SDL_spinlock.c Needs to be compiled in ARM mode.
# There seems to be no better way currently to set the ARM mode.
# see: https://issuetracker.google.com/issues/62264618
# Another option would be to set ARM mode to all compiled files
cmake_push_check_state()
string(APPEND CMAKE_REQUIRED_FLAGS " -Werror=unused-command-line-argument")
check_c_compiler_flag(-marm HAVE_ARM_MODE)
cmake_pop_check_state()
if(HAVE_ARM_MODE)
set_property(SOURCE "${SDL3_SOURCE_DIR}/src/atomic/SDL_spinlock.c" APPEND_STRING PROPERTY COMPILE_FLAGS " -marm")
set_source_files_properties(src/atomic/SDL_spinlock.c PROPERTIES SKIP_PRECOMPILE_HEADERS 1)
endif()
if(SDL_AUDIO)
set(SDL_AUDIO_DRIVER_OPENSLES 1)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/audio/openslES/*.c"
"${SDL3_SOURCE_DIR}/src/audio/openslES/*.h"
)
sdl_link_dependency(opensles LIBS ${ANDROID_DL_LIBRARY} OpenSLES)
set(SDL_AUDIO_DRIVER_AAUDIO 1)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/audio/aaudio/*.c"
"${SDL3_SOURCE_DIR}/src/audio/aaudio/*.h"
)
set(HAVE_SDL_AUDIO TRUE)
endif()
set(SDL_FILESYSTEM_ANDROID 1)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/filesystem/android/*.c"
"${SDL3_SOURCE_DIR}/src/filesystem/android/*.h"
)
set(HAVE_SDL_FILESYSTEM TRUE)
set(SDL_FSOPS_POSIX 1) # !!! FIXME: this might need something else for .apk data?
sdl_sources("${SDL3_SOURCE_DIR}/src/filesystem/posix/SDL_sysfsops.c")
set(HAVE_SDL_FSOPS TRUE)
if(SDL_HAPTIC)
set(SDL_HAPTIC_ANDROID 1)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/haptic/android/*.c"
"${SDL3_SOURCE_DIR}/src/haptic/android/*.h"
)
set(HAVE_SDL_HAPTIC TRUE)
endif()
CheckHIDAPI()
if(SDL_JOYSTICK)
set(SDL_JOYSTICK_ANDROID 1)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/joystick/android/*.c"
"${SDL3_SOURCE_DIR}/src/joystick/android/*.h"
)
set(HAVE_SDL_JOYSTICK TRUE)
endif()
set(SDL_LOADSO_DLOPEN 1)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/loadso/dlopen/*.c"
"${SDL3_SOURCE_DIR}/src/loadso/dlopen/*.h"
)
set(HAVE_SDL_LOADSO TRUE)
if(SDL_POWER)
set(SDL_POWER_ANDROID 1)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/power/android/*.c"
"${SDL3_SOURCE_DIR}/src/power/android/*.h"
)
set(HAVE_SDL_POWER TRUE)
endif()
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/locale/android/*.c"
"${SDL3_SOURCE_DIR}/src/locale/android/*.h"
)
set(HAVE_SDL_LOCALE TRUE)
set(SDL_TIME_UNIX 1)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/time/unix/*.c"
"${SDL3_SOURCE_DIR}/src/time/unix/*.h"
)
set(HAVE_SDL_TIME TRUE)
set(SDL_TIMER_UNIX 1)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/timer/unix/*.c"
"${SDL3_SOURCE_DIR}/src/timer/unix/*.h"
)
set(HAVE_SDL_TIMERS TRUE)
if(SDL_SENSOR)
set(SDL_SENSOR_ANDROID 1)
set(HAVE_SDL_SENSORS TRUE)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/sensor/android/*.c"
"${SDL3_SOURCE_DIR}/src/sensor/android/*.h"
)
endif()
if(SDL_CAMERA)
set(SDL_CAMERA_DRIVER_ANDROID 1)
set(HAVE_CAMERA TRUE)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/camera/android/*.c"
"${SDL3_SOURCE_DIR}/src/camera/android/*.h"
)
endif()
if(SDL_VIDEO)
set(SDL_VIDEO_DRIVER_ANDROID 1)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/video/android/*.c"
"${SDL3_SOURCE_DIR}/src/video/android/*.h"
)
set(HAVE_SDL_VIDEO TRUE)
# Core stuff
# find_library(ANDROID_DL_LIBRARY dl)
# FIXME failing dlopen https://github.com/android-ndk/ndk/issues/929
sdl_link_dependency(android_video LIBS dl log android)
sdl_compile_definitions(PRIVATE "GL_GLEXT_PROTOTYPES")
#enable gles
if(SDL_OPENGLES)
set(SDL_VIDEO_OPENGL_EGL 1)
set(HAVE_OPENGLES TRUE)
set(SDL_VIDEO_OPENGL_ES 1)
set(SDL_VIDEO_OPENGL_ES2 1)
set(SDL_VIDEO_RENDER_OGL_ES2 1)
sdl_link_dependency(opengles LIBS GLESv1_CM GLESv2)
endif()
if(SDL_VULKAN)
check_c_source_compiles("
#if defined(__ARM_ARCH) && __ARM_ARCH < 7
#error Vulkan doesn't work on this configuration
#endif
int main(int argc, char **argv) { return 0; }
" VULKAN_PASSED_ANDROID_CHECKS)
if(VULKAN_PASSED_ANDROID_CHECKS)
set(SDL_VIDEO_VULKAN 1)
set(HAVE_VULKAN TRUE)
if(SDL_RENDER_VULKAN)
set(SDL_VIDEO_RENDER_VULKAN 1)
set(HAVE_RENDER_VULKAN TRUE)
endif()
endif()
endif()
endif()
CheckPTHREAD()
if(SDL_CLOCK_GETTIME)
set(HAVE_CLOCK_GETTIME 1)
endif()
if(SDL_ANDROID_JAR)
find_package(Java)
find_package(SdlAndroidPlatform MODULE)
if(Java_FOUND AND SdlAndroidPlatform_FOUND AND NOT CMAKE_VERSION VERSION_LESS "3.19")
include(UseJava)
set(path_android_jar "${SDL_ANDROID_PLATFORM_ROOT}/android.jar")
set(android_java_sources_root "${SDL3_SOURCE_DIR}/android-project/app/src/main/java")
file(GLOB SDL_JAVA_SOURCES "${android_java_sources_root}/org/libsdl/app/*.java")
set(CMAKE_JAVA_COMPILE_FLAGS "-encoding;utf-8")
add_jar(SDL3-jar
SOURCES ${SDL_JAVA_SOURCES}
INCLUDE_JARS "${path_android_jar}"
OUTPUT_NAME "SDL3"
VERSION "${SDL3_VERSION}"
)
set_property(TARGET SDL3-jar PROPERTY OUTPUT "${SDL3_BINARY_DIR}/SDL3-${SDL3_VERSION}.jar")
add_library(SDL3__Jar INTERFACE)
add_library(SDL3::Jar ALIAS SDL3__Jar)
get_property(sdl3_jar_location TARGET SDL3-jar PROPERTY JAR_FILE)
set_property(TARGET SDL3__Jar PROPERTY JAR_FILE "${sdl3_jar_location}")
set(javasourcesjar "${SDL3_BINARY_DIR}/SDL3-${SDL3_VERSION}-sources.jar")
string(REGEX REPLACE "${android_java_sources_root}/" "" sdl_relative_java_sources "${SDL_JAVA_SOURCES}")
add_custom_command(
OUTPUT "${javasourcesjar}"
COMMAND ${Java_JAR_EXECUTABLE} cf "${javasourcesjar}" ${sdl_relative_java_sources}
WORKING_DIRECTORY "${android_java_sources_root}"
DEPENDS ${SDL_JAVA_SOURCES}
)
add_custom_target(SDL3-javasources ALL DEPENDS "${javasourcesjar}")
if(SDL_INSTALL_DOCS)
set(javadocdir "${SDL3_BINARY_DIR}/docs/javadoc")
set(javadocjar "${SDL3_BINARY_DIR}/SDL3-${SDL3_VERSION}-javadoc.jar")
set(javadoc_index_html "${javadocdir}/index.html")
add_custom_command(
OUTPUT "${javadoc_index_html}"
COMMAND ${CMAKE_COMMAND} -E rm -rf "${javadocdir}" "${javadocjar}"
COMMAND ${Java_JAVADOC_EXECUTABLE} -encoding utf8 -d "${javadocdir}"
-classpath "${path_android_jar}"
-author -use -version ${SDL_JAVA_SOURCES}
DEPENDS ${SDL_JAVA_SOURCES} "${path_android_jar}"
)
add_custom_command(
OUTPUT "${javadocjar}"
COMMAND ${Java_JAR_EXECUTABLE} -c -f "${javadocjar}"
-C "${javadocdir}" *
WORKING_DIRECTORY "${javadocdir}"
DEPENDS ${javadoc_index_html}
)
add_custom_target(SDL3-javadoc ALL DEPENDS "${javadoc_index_html}" "${javadocjar}")
set_property(TARGET SDL3-javadoc PROPERTY OUTPUT_DIR "${javadocdir}")
endif()
endif()
endif()
elseif(EMSCRIPTEN)
# Hide noisy warnings that intend to aid mostly during initial stages of porting a new
# project. Uncomment at will for verbose cross-compiling -I/../ path info.
sdl_compile_options(PRIVATE "-Wno-warn-absolute-paths")
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/main/emscripten/*.c"
"${SDL3_SOURCE_DIR}/src/main/emscripten/*.h"
)
set(HAVE_SDL_MAIN_CALLBACKS TRUE)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/misc/emscripten/*.c"
"${SDL3_SOURCE_DIR}/src/misc/emscripten/*.h"
)
set(HAVE_SDL_MISC TRUE)
if(SDL_AUDIO)
set(SDL_AUDIO_DRIVER_EMSCRIPTEN 1)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/audio/emscripten/*.c"
"${SDL3_SOURCE_DIR}/src/audio/emscripten/*.h"
)
set(HAVE_SDL_AUDIO TRUE)
endif()
set(SDL_FILESYSTEM_EMSCRIPTEN 1)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/filesystem/emscripten/*.c"
"${SDL3_SOURCE_DIR}/src/filesystem/emscripten/*.h"
)
set(HAVE_SDL_FILESYSTEM TRUE)
set(SDL_FSOPS_POSIX 1)
sdl_sources("${SDL3_SOURCE_DIR}/src/filesystem/posix/SDL_sysfsops.c")
set(HAVE_SDL_FSOPS TRUE)
if(SDL_CAMERA)
set(SDL_CAMERA_DRIVER_EMSCRIPTEN 1)
set(HAVE_CAMERA TRUE)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/camera/emscripten/*.c"
"${SDL3_SOURCE_DIR}/src/camera/emscripten/*.h"
)
endif()
if(SDL_JOYSTICK)
set(SDL_JOYSTICK_EMSCRIPTEN 1)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/joystick/emscripten/*.c"
"${SDL3_SOURCE_DIR}/src/joystick/emscripten/*.h"
)
set(HAVE_SDL_JOYSTICK TRUE)
endif()
if(SDL_POWER)
set(SDL_POWER_EMSCRIPTEN 1)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/power/emscripten/*.c"
"${SDL3_SOURCE_DIR}/src/power/emscripten/*.h"
)
set(HAVE_SDL_POWER TRUE)
endif()
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/locale/emscripten/*.c"
"${SDL3_SOURCE_DIR}/src/locale/emscripten/*.h"
)
set(HAVE_SDL_LOCALE TRUE)
set(SDL_TIME_UNIX 1)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/time/unix/*.c"
"${SDL3_SOURCE_DIR}/src/time/unix/*.h"
)
set(HAVE_SDL_TIME TRUE)
set(SDL_TIMER_UNIX 1)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/timer/unix/*.c"
"${SDL3_SOURCE_DIR}/src/timer/unix/*.h"
)
set(HAVE_SDL_TIMERS TRUE)
if(SDL_CLOCK_GETTIME)
set(HAVE_CLOCK_GETTIME 1)
endif()
if(SDL_VIDEO)
set(SDL_VIDEO_DRIVER_EMSCRIPTEN 1)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/video/emscripten/*.c"
"${SDL3_SOURCE_DIR}/src/video/emscripten/*.h"
)
set(HAVE_SDL_VIDEO TRUE)
#enable gles
if(SDL_OPENGLES)
set(HAVE_OPENGLES TRUE)
set(SDL_VIDEO_OPENGL_ES2 1)
set(SDL_VIDEO_RENDER_OGL_ES2 1)
endif()
endif()
CheckPTHREAD()
CheckLibUnwind()
elseif(UNIX AND NOT APPLE AND NOT RISCOS AND NOT HAIKU)
if(SDL_DLOPEN_NOTES)
set(CHECK_ELF_DLNOTES_SRC [==[
#ifndef __ELF__
ELF DL notes is only supported on ELF platforms
#endif
__attribute__ ((used,aligned(4),section(".note.dlopen"))) static const struct {
struct { int a; int b; int c; } hdr; char name[4]; __attribute__((aligned(4))) char json[24];
} dlnote = { { 4, 0x407c0c0aU, 16 }, "FDO", "[\\"a\\":{\\"a\\":\\"1\\",\\"b\\":\\"2\\"}]" };
int main(int argc, char *argv[]) {
return argc + dlnote.hdr.a;
}
]==])
check_c_source_compiles("${CHECK_ELF_DLNOTES_SRC}" COMPILER_SUPPORTS_ELFNOTES)
if(COMPILER_SUPPORTS_ELFNOTES)
set(HAVE_DLOPEN_NOTES TRUE)
endif()
endif()
if(SDL_AUDIO)
if(NETBSD)
set(SDL_AUDIO_DRIVER_NETBSD 1)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/audio/netbsd/*.c"
"${SDL3_SOURCE_DIR}/src/audio/netbsd/*.h"
)
set(HAVE_SDL_AUDIO TRUE)
elseif(QNX)
set(SDL_AUDIO_DRIVER_QNX 1)
sdl_glob_sources(
"${SDL3_SOURCE_DIR}/src/audio/qnx/*.c"
"${SDL3_SOURCE_DIR}/src/audio/qnx/*.h"
)
sdl_link_dependency(asound LIBS asound)
set(HAVE_SDL_AUDIO TRUE)
endif()
CheckOSS()
CheckALSA()
CheckJACK()
CheckPipewire()
CheckPulseAudio()
CheckSNDIO()
endif()
if(SDL_VIDEO)
# Need to check for Raspberry PI first and add platform specific compiler flags, otherwise the test for GLES fails!
CheckRPI()
# Need to check for ROCKCHIP platform and get rid of "Can't window GBM/EGL surfaces on window creation."
CheckROCKCHIP()
CheckX11()
# Need to check for EGL first because KMSDRM and Wayland depen