SDL/CMakeLists.txt

if(${CMAKE_CURRENT_SOURCE_DIR} STREQUAL ${CMAKE_CURRENT_BINARY_DIR})
  message(FATAL_ERROR "Prevented in-tree build. Please create a build directory outside of the SDL source code and run \"cmake -S ${CMAKE_SOURCE_DIR} -B .\" from there")
endif()

cmake_minimum_required(VERSION 3.0.0)
project(SDL3 C CXX)

if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
  set(SDL3_SUBPROJECT OFF)
else()
  set(SDL3_SUBPROJECT ON)
endif()

set(SDL_EXTRA_LIBS)
set(SDL_EXTRA_LDFLAGS)

set(SDL_CMAKE_DEPENDS)
set(SDL_PC_PRIVATE_REQUIRES)

# The sdl-build-options interface library collects all PRIVATE build options for the SDL libraries
add_library(sdl-build-options INTERFACE)

# The sdl-shared-build-options interface library collects all PRIVATE build options for the SDL shared library
add_library(sdl-shared-build-options INTERFACE)

# The sdl-global-options interface library collects all PRIVATE build options for the SDL libraries + test + ...
add_library(sdl-global-options INTERFACE)

if(WINDOWS_STORE)
  target_compile_definitions(sdl-build-options INTERFACE "SDL_BUILDING_WINRT=1")
  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()

# 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()

# !!! FIXME: this should probably do "MACOSX_RPATH ON" as a target property
# !!! FIXME:  for the SDL shared library (so you get an
# !!! FIXME:  install_name ("soname") of "@rpath/libSDL-whatever.dylib"
# !!! FIXME:  instead of "/usr/local/lib/libSDL-whatever.dylib"), but I'm
# !!! FIXME:  punting for now and leaving the existing behavior. Until this
# !!! FIXME:  properly resolved, this line silences a warning in CMake 3.0+.
# !!! FIXME:  remove it and this comment entirely once the problem is
# !!! FIXME:  properly resolved.
#cmake_policy(SET CMP0042 OLD)

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)

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/sdlfind.cmake)
include(${SDL3_SOURCE_DIR}/cmake/sdlplatform.cmake)
include(${SDL3_SOURCE_DIR}/cmake/CheckCPUArchitecture.cmake)
include(${SDL3_SOURCE_DIR}/cmake/GetGitRevisionDescription.cmake)

# 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)
    target_compile_definitions(sdl-build-options INTERFACE "_FILE_OFFSET_BITS=64")
endif()

# See docs/release_checklist.md
set(SDL_MAJOR_VERSION 3)
set(SDL_MINOR_VERSION 0)
set(SDL_MICRO_VERSION 0)
set(SDL_VERSION "${SDL_MAJOR_VERSION}.${SDL_MINOR_VERSION}.${SDL_MICRO_VERSION}")

# 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 "${SDL_MINOR_VERSION}")
set(SDL_SO_VERSION_MICRO "${SDL_MICRO_VERSION}")
set(SDL_SO_VERSION "${SDL_SO_VERSION_MAJOR}.${SDL_SO_VERSION_MINOR}.${SDL_SO_VERSION_MICRO}")

if(SDL_MINOR_VERSION MATCHES "[02468]$")
  math(EXPR SDL_DYLIB_COMPAT_VERSION_MAJOR "100 * ${SDL_MINOR_VERSION} + 1")
  set(SDL_DYLIB_COMPAT_VERSION_MINOR "0")
  math(EXPR SDL_DYLIB_CURRENT_VERSION_MAJOR "${SDL_DYLIB_COMPAT_VERSION_MAJOR}")
  set(SDL_DYLIB_CURRENT_VERSION_MINOR "${SDL_MICRO_VERSION}")
else()
  math(EXPR SDL_DYLIB_COMPAT_VERSION_MAJOR "100 * ${SDL_MINOR_VERSION} + ${SDL_MICRO_VERSION} + 1")
  set(SDL_DYLIB_COMPAT_VERSION_MINOR "0")
  math(EXPR SDL_DYLIB_CURRENT_VERSION_MAJOR "${SDL_DYLIB_COMPAT_VERSION_MAJOR}")
  set(SDL_DYLIB_CURRENT_VERSION_MINOR "0")
endif()
set(SDL_DYLIB_COMPAT_VERSION_MICRO "0")
set(SDL_DYLIB_CURRENT_VERSION_MICRO "0")

set(SDL_DYLIB_CURRENT_VERSION "${SDL_DYLIB_CURRENT_VERSION_MAJOR}.${SDL_DYLIB_CURRENT_VERSION_MINOR}.${SDL_DYLIB_CURRENT_VERSION_MICRO}")
set(SDL_DYLIB_COMPAT_VERSION "${SDL_DYLIB_COMPAT_VERSION_MAJOR}.${SDL_DYLIB_COMPAT_VERSION_MINOR}.${SDL_DYLIB_COMPAT_VERSION_MICRO}")

#message("SDL_SO_VERSION=${SDL_SO_VERSION} SDL_DYLIB_CURRENT_VERSION=${SDL_DYLIB_CURRENT_VERSION} SDL_DYLIB_COMPAT_VERSION=${SDL_DYLIB_COMPAT_VERSION}")

check_cpu_architecture(x86 SDL_CPU_X86)
check_cpu_architecture(x64 SDL_CPU_X64)
check_cpu_architecture(arm32 SDL_CPU_ARM32)
check_cpu_architecture(arm64 SDL_CPU_ARM64)
check_cpu_architecture(loongarch64 SDL_CPU_LOONGARCH64)

# Check for 64 or 32 bit
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
  set(ARCH_64 TRUE)
  set(PROCESSOR_ARCH "x64")
else()
  set(ARCH_64 FALSE)
  set(PROCESSOR_ARCH "x86")
endif()

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)

set(CMAKE_REQUIRED_FLAGS "${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 with change to ON once this becomes
#  commonly supported in browsers or the Emscripten teams makes a single
#  binary work everywhere.
if (UNIX_OR_MAC_SYS AND NOT EMSCRIPTEN)
  set(SDL_PTHREADS_ENABLED_BY_DEFAULT ON)
else()
  set(SDL_PTHREADS_ENABLED_BY_DEFAULT OFF)
endif()

if(UNIX_SYS OR ANDROID)
  set(SDL_CLOCK_GETTIME_ENABLED_BY_DEFAULT ON)
else()
  set(SDL_CLOCK_GETTIME_ENABLED_BY_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.
#  TODO: Windows can support libusb, the hid.c file just depends on Unix APIs
if((WINDOWS AND NOT WINDOWS_STORE) OR IOS OR TVOS OR ANDROID)
  set(HIDAPI_SKIP_LIBUSB TRUE)
else()
  set(HIDAPI_SKIP_LIBUSB FALSE)
endif()

# On the other hand, *BSD specifically uses libusb only, so we make a special
#  case just for them.
if(FREEBSD OR NETBSD OR OPENBSD OR BSDI)
  set(HIDAPI_ONLY_LIBUSB TRUE)
else()
  set(HIDAPI_ONLY_LIBUSB FALSE)
endif()

# Compiler info
if(CMAKE_C_COMPILER_ID MATCHES "Clang")
  set(USE_CLANG TRUE)
  set(SDL_ASSEMBLY_DEFAULT TRUE)
  # Visual Studio 2019 v16.2 added support for Clang/LLVM.
  # Check if a Visual Studio project is being generated with the Clang toolset.
  if(MSVC)
    set(MSVC_CLANG TRUE)
  endif()
elseif(CMAKE_COMPILER_IS_GNUCC)
  set(USE_GCC TRUE)
  set(SDL_ASSEMBLY_DEFAULT TRUE)
elseif(MSVC_VERSION GREATER 1400) # VisualStudio 8.0+
  set(SDL_ASSEMBLY_DEFAULT TRUE)
else()
  set(SDL_ASSEMBLY_DEFAULT FALSE)
endif()

if(USE_GCC OR USE_CLANG)
  set(OPT_DEF_GCC_ATOMICS ON)
endif()

# Default option knobs
set(SDL_LIBC_DEFAULT ON)
set(SDL_SYSTEM_ICONV_DEFAULT ON)
if(WINDOWS)
  set(SDL_LIBC_DEFAULT OFF)
  set(SDL_SYSTEM_ICONV_DEFAULT OFF)
endif()

if(NOT ("$ENV{CFLAGS}" STREQUAL ""))
  if(CMAKE_VERSION VERSION_LESS 3.11.0)
     message(WARNING "SDL's CMakeLists.txt no longer checks the CFLAGS environment.")
     message(WARNING "Please use CMake's CMAKE_C_FLAGS and CMAKE_BUILD_TYPE variables directly.")
     message(WARNING "Or upgrade to CMake >= 3.11.0, which respects the CFLAGS environment var.")
  endif()
endif()

if(MSVC)
  option(SDL_FORCE_STATIC_VCRT "Force /MT for static VC runtimes" OFF)
  if(SDL_FORCE_STATIC_VCRT)
    foreach(flag_var
        CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
        CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO)
      if(${flag_var} MATCHES "/MD")
        string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
      endif()
    endforeach()
  endif()

  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)
      string(REGEX REPLACE "/RTC(su|[1su])" "" ${flag_var} "${${flag_var}}")
    endforeach(flag_var)
  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()

# Those are used for pkg-config so sdl3.pc is created correctly.
set(SDL_PC_LIBS "-lSDL3")
set(SDL_PC_CFLAGS )

# When building shared lib for Windows with MinGW,
# avoid the DLL having a "lib" prefix
if(WINDOWS)
  set(CMAKE_SHARED_LIBRARY_PREFIX "")
endif()

check_linker_flag(C "-Wl,--version-script=${CMAKE_CURRENT_SOURCE_DIR}/src/dynapi/SDL_dynapi.sym" HAVE_WL_VERSION_SCRIPT)
if(HAVE_WL_VERSION_SCRIPT)
  target_link_libraries(sdl-shared-build-options INTERFACE "-Wl,--version-script=${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
  target_include_directories(sdl-build-options INTERFACE "/usr/include/mingw")
  cmake_push_check_state()
  set(CMAKE_REQUIRED_FLAGS "${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)
    target_link_libraries(sdl-shared-build-options INTERFACE "-mno-cygwin")
  endif()
  list(APPEND SDL_PC_CFLAGS "-I/usr/include/mingw")
endif()

# General includes
target_compile_definitions(sdl-build-options INTERFACE "USING_GENERATED_CONFIG_H")
target_include_directories(sdl-build-options
  INTERFACE
    "${SDL3_BINARY_DIR}/include-config-$<LOWER_CASE:$<CONFIG>>"
    "${SDL3_BINARY_DIR}/include"
    "${SDL3_SOURCE_DIR}/include"
)
# Note: The clang toolset for Visual Studio does not support the '-idirafter' option.
if(USE_GCC OR (USE_CLANG AND NOT MSVC_CLANG))
  if(CMAKE_VERSION VERSION_LESS 3.12)
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -idirafter \"${SDL3_SOURCE_DIR}/src/video/khronos\"")
  else()
    target_compile_options(sdl-global-options INTERFACE "SHELL:-idirafter \"${SDL3_SOURCE_DIR}/src/video/khronos\"")
  endif()
else()
  target_include_directories(sdl-global-options INTERFACE "${SDL3_SOURCE_DIR}/src/video/khronos")
endif()

# All these ENABLED_BY_DEFAULT vars will default to ON if not specified, so
#  you only need to have a platform override them if they are disabling.
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.

  # SDL_THREADS_ENABLED_BY_DEFAULT now defaults to ON, but pthread support might be disabled by default.
  # !!! FIXME: most of these subsystems should default to ON if there are dummy implementations to be used.

  set(SDL_ASSEMBLY_DEFAULT FALSE)
  set(SDL_SHARED_ENABLED_BY_DEFAULT OFF)
  set(SDL_ATOMIC_ENABLED_BY_DEFAULT OFF)
  set(SDL_LOADSO_ENABLED_BY_DEFAULT OFF)
  set(SDL_CPUINFO_ENABLED_BY_DEFAULT OFF)
endif()

if(VITA OR PSP OR PS2 OR N3DS)
  set(SDL_SHARED_ENABLED_BY_DEFAULT OFF)
  set(SDL_LOADSO_ENABLED_BY_DEFAULT OFF)
endif()

# When defined, respect CMake's BUILD_SHARED_LIBS setting:
set(SDL_STATIC_ENABLED_BY_DEFAULT ON)
if (NOT DEFINED SDL_SHARED_ENABLED_BY_DEFAULT)
  # ...unless decided already (as for EMSCRIPTEN)

  set(SDL_SHARED_ENABLED_BY_DEFAULT OFF)

  if (NOT DEFINED BUILD_SHARED_LIBS)
    # No preference? Build both, just like the AC/AM configure
    set(SDL_SHARED_ENABLED_BY_DEFAULT ON)

  elseif (BUILD_SHARED_LIBS)
    # In this case, we assume the user wants a shared lib and don't build
    # the static one
    set(SDL_SHARED_ENABLED_BY_DEFAULT ON)
    set(SDL_STATIC_ENABLED_BY_DEFAULT OFF)
  endif()
endif()

if (NOT DEFINED SDL_TEST_ENABLED_BY_DEFAULT)
  set(SDL_TEST_ENABLED_BY_DEFAULT ON)
endif()

set(LONGESTOPTIONNAME 0)  # set_option and friends will change this.

set(SDL_SUBSYSTEMS
    Atomic Audio Video Render Events Joystick Haptic Hidapi Power Threads Timers
    File Loadso CPUinfo Filesystem Sensor Locale Misc)
foreach(_SUB ${SDL_SUBSYSTEMS})
  string(TOUPPER ${_SUB} _OPT)
  if (NOT DEFINED SDL_${_OPT}_ENABLED_BY_DEFAULT)
    set(SDL_${_OPT}_ENABLED_BY_DEFAULT ON)
  endif()
  option(SDL_${_OPT} "Enable the ${_SUB} subsystem" ${SDL_${_OPT}_ENABLED_BY_DEFAULT})
endforeach()

# Allow some projects to be built conditionally.
set_option(SDL3_DISABLE_INSTALL    "Disable installation of SDL3" ${SDL3_SUBPROJECT})
set_option(SDL3_DISABLE_UNINSTALL  "Disable uninstallation of SDL3" 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_ASSEMBLY            "Enable assembly routines" ${SDL_ASSEMBLY_DEFAULT})
dep_option(SDL_SSEMATH             "Allow GCC to use SSE floating point math" 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_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" OFF)
dep_option(SDL_ARMSIMD             "Use SIMD assembly blitters on ARM" OFF "SDL_ASSEMBLY;SDL_CPU_ARM32" OFF)
dep_option(SDL_ARMNEON             "Use NEON assembly blitters on ARM" OFF "SDL_ASSEMBLY;SDL_CPU_ARM32" 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)

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_GCC_ATOMICS         "Use gcc builtin atomics" ${OPT_DEF_GCC_ATOMICS})
dep_option(SDL_DBUS                "Enable D-Bus support" ON ${UNIX_SYS} OFF)
set_option(SDL_DISKAUDIO           "Support the disk writer audio driver" ON)
set_option(SDL_DUMMYAUDIO          "Support the dummy audio driver" ON)
set_option(SDL_DUMMYVIDEO          "Use dummy video driver" ON)
dep_option(SDL_IBUS                "Enable IBus support" ON ${UNIX_SYS} OFF)
set_option(SDL_OPENGL              "Include OpenGL support" ON)
set_option(SDL_OPENGLES            "Include OpenGL ES support" ON)
set_option(SDL_PTHREADS            "Use POSIX threads for multi-threading" ${SDL_PTHREADS_ENABLED_BY_DEFAULT})
dep_option(SDL_PTHREADS_SEM        "Use pthread semaphores" ON "SDL_PTHREADS" OFF)
dep_option(SDL_OSS                 "Support the OSS audio API" ON "UNIX_SYS OR RISCOS" OFF)
set_option(SDL_ALSA                "Support the ALSA audio API" ${UNIX_SYS})
dep_option(SDL_ALSA_SHARED         "Dynamically load ALSA audio support" ON "SDL_ALSA" OFF)
set_option(SDL_JACK                "Support the JACK audio API" ${UNIX_SYS})
dep_option(SDL_JACK_SHARED         "Dynamically load JACK audio support" ON "SDL_JACK" OFF)
set_option(SDL_PIPEWIRE            "Use Pipewire audio" ${UNIX_SYS})
dep_option(SDL_PIPEWIRE_SHARED     "Dynamically load Pipewire support" ON "SDL_PIPEWIRE" OFF)
set_option(SDL_PULSEAUDIO          "Use PulseAudio" ${UNIX_SYS})
dep_option(SDL_PULSEAUDIO_SHARED   "Dynamically load PulseAudio support" ON "SDL_PULSEAUDIO" OFF)
set_option(SDL_SNDIO               "Support the sndio audio API" ${UNIX_SYS})
dep_option(SDL_SNDIO_SHARED        "Dynamically load the sndio audio API" ON "SDL_SNDIO" OFF)
set_option(SDL_LIBSAMPLERATE       "Use libsamplerate for audio rate conversion" ${UNIX_SYS})
dep_option(SDL_LIBSAMPLERATE_SHARED "Dynamically load libsamplerate" ON "SDL_LIBSAMPLERATE" OFF)
set_option(SDL_RPATH               "Use an rpath when linking SDL" ${UNIX_SYS})
set_option(SDL_CLOCK_GETTIME       "Use clock_gettime() instead of gettimeofday()" ${SDL_CLOCK_GETTIME_ENABLED_BY_DEFAULT})
set_option(SDL_X11                 "Use X11 video driver" ${UNIX_SYS})
dep_option(SDL_X11_SHARED          "Dynamically load X11 support" ON "SDL_X11" OFF)
set(SDL_X11_OPTIONS Xcursor Xdbe XInput Xfixes Xrandr Xscrnsaver XShape)
foreach(_SUB ${SDL_X11_OPTIONS})
  string(TOUPPER "SDL_X11_${_SUB}" _OPT)
  dep_option(${_OPT}               "Enable ${_SUB} support" ON "SDL_X11" OFF)
endforeach()
set_option(SDL_WAYLAND             "Use Wayland video driver" ${UNIX_SYS})
dep_option(SDL_WAYLAND_SHARED      "Dynamically load Wayland support" ON "SDL_WAYLAND" 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" OFF)
dep_option(SDL_WAYLAND_QT_TOUCH    "QtWayland server support for Wayland video driver" ON "SDL_WAYLAND" OFF)
set_option(SDL_RPI                 "Use Raspberry Pi video driver" ${UNIX_SYS})
set_option(SDL_ROCKCHIP            "Use ROCKCHIP Hardware Acceleration video driver" ${UNIX_SYS})
set_option(SDL_COCOA               "Use Cocoa video driver" ${APPLE})
set_option(SDL_DIRECTX             "Use DirectX for Windows audio/video" ${WINDOWS})
set_option(SDL_XINPUT              "Use Xinput for Windows" ${WINDOWS})
set_option(SDL_WASAPI              "Use the Windows WASAPI audio driver" ${WINDOWS})
set_option(SDL_RENDER_D3D          "Enable the Direct3D render driver" ${WINDOWS})
set_option(SDL_RENDER_METAL        "Enable the Metal render driver" ${APPLE})
set_option(SDL_VIVANTE             "Use Vivante EGL video driver" ${UNIX_SYS})
dep_option(SDL_VULKAN              "Enable Vulkan support" ON "ANDROID OR APPLE OR LINUX OR WINDOWS" OFF)
set_option(SDL_METAL               "Enable Metal support" ${APPLE})
set_option(SDL_KMSDRM              "Use KMS DRM video driver" ${UNIX_SYS})
dep_option(SDL_KMSDRM_SHARED       "Dynamically load KMS DRM support" ON "SDL_KMSDRM" OFF)
set_option(SDL_OFFSCREEN           "Use offscreen video driver" ON)
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)
set_option(SDL_HIDAPI              "Enable the HIDAPI subsystem" ON)
dep_option(SDL_HIDAPI_LIBUSB       "Use libusb for low level joystick drivers" OFF SDL_HIDAPI 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)
option_string(SDL_VENDOR_INFO      "Vendor name and/or version to add to SDL_REVISION" "")
set_option(SDL_CCACHE              "Use Ccache to speed up build" ON)

option(SDL_WERROR "Enable -Werror" OFF)

option(SDL_SHARED "Build a shared version of the library" ${SDL_SHARED_ENABLED_BY_DEFAULT})
option(SDL_STATIC "Build a static version of the library" ${SDL_STATIC_ENABLED_BY_DEFAULT})
option(SDL_TEST   "Build the SDL3_test library" ${SDL_TEST_ENABLED_BY_DEFAULT})

dep_option(SDL_STATIC_PIC      "Static version of the library should be built with Position Independent Code" "${CMAKE_POSITION_INDEPENDENT_CODE}" "SDL_STATIC" OFF)
dep_option(SDL_TESTS           "Build the test directory" OFF SDL_TEST OFF)
set_option(SDL_INSTALL_TESTS   "Install test-cases" OFF)

set(HAVE_STATIC_PIC "${SDL_STATIC_PIC}")

if(SDL_HIDAPI)
  if(HIDAPI_ONLY_LIBUSB)
    set(SDL_HIDAPI_LIBUSB ON CACHE BOOL "" FORCE)
  elseif(HIDAPI_SKIP_LIBUSB)
    set(SDL_HIDAPI_LIBUSB OFF CACHE BOOL "" FORCE)
  endif()
endif()

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()

# General source files
file(GLOB SOURCE_FILES
  ${SDL3_SOURCE_DIR}/src/*.c
  ${SDL3_SOURCE_DIR}/src/atomic/*.c
  ${SDL3_SOURCE_DIR}/src/audio/*.c
  ${SDL3_SOURCE_DIR}/src/core/*.c
  ${SDL3_SOURCE_DIR}/src/cpuinfo/*.c
  ${SDL3_SOURCE_DIR}/src/dynapi/*.c
  ${SDL3_SOURCE_DIR}/src/events/*.c
  ${SDL3_SOURCE_DIR}/src/file/*.c
  ${SDL3_SOURCE_DIR}/src/joystick/*.c
  ${SDL3_SOURCE_DIR}/src/haptic/*.c
  ${SDL3_SOURCE_DIR}/src/hidapi/*.c
  ${SDL3_SOURCE_DIR}/src/libm/*.c
  ${SDL3_SOURCE_DIR}/src/locale/*.c
  ${SDL3_SOURCE_DIR}/src/misc/*.c
  ${SDL3_SOURCE_DIR}/src/power/*.c
  ${SDL3_SOURCE_DIR}/src/render/*.c
  ${SDL3_SOURCE_DIR}/src/render/*/*.c
  ${SDL3_SOURCE_DIR}/src/sensor/*.c
  ${SDL3_SOURCE_DIR}/src/stdlib/*.c
  ${SDL3_SOURCE_DIR}/src/thread/*.c
  ${SDL3_SOURCE_DIR}/src/timer/*.c
  ${SDL3_SOURCE_DIR}/src/video/*.c
  ${SDL3_SOURCE_DIR}/src/video/yuv2rgb/*.c)


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_error("unknown assertion level")
endif()
set(HAVE_ASSERTIONS ${SDL_ASSERTIONS})

if(NOT SDL_BACKGROUNDING_SIGNAL STREQUAL "OFF")
  target_compile_definitions(sdl-build-options INTERFACE "SDL_BACKGROUNDING_SIGNAL=${SDL_BACKGROUNDING_SIGNAL}")
endif()

if(NOT SDL_FOREGROUNDING_SIGNAL STREQUAL "OFF")
  target_compile_definitions(sdl-build-options INTERFACE "SDL_FOREGROUNDING_SIGNAL=${SDL_FOREGROUNDING_SIGNAL}")
endif()

# Compiler option evaluation
if(USE_GCC OR USE_CLANG)
  # Check for -Wall first, so later things can override pieces of it.
  # Note: clang-cl treats -Wall as -Weverything (which is very loud),
  #       /W3 as -Wall, and /W4 as -Wall -Wextra.  So: /W3 is enough.
  check_c_compiler_flag(-Wall HAVE_GCC_WALL)
  if(MSVC_CLANG)
    target_compile_options(sdl-global-options INTERFACE "/W3")
  elseif(HAVE_GCC_WALL)
    target_compile_options(sdl-global-options INTERFACE "-Wall")
    if(HAIKU)
      target_compile_options(sdl-global-options INTERFACE "-Wno-multichar")
    endif()
  endif()

  check_c_compiler_flag(-fno-strict-aliasing HAVE_GCC_NO_STRICT_ALIASING)
  if(HAVE_GCC_NO_STRICT_ALIASING)
    target_compile_options(sdl-global-options INTERFACE "-fno-strict-aliasing")
  endif()

  # command-line option ‘-Wdeclaration-after-statement’ is valid for C/ObjC but not for C++
  check_c_compiler_flag(-Wdeclaration-after-statement HAVE_GCC_WDECLARATION_AFTER_STATEMENT)
  if(HAVE_GCC_WDECLARATION_AFTER_STATEMENT)
    if(SDL_WERROR)
      check_c_compiler_flag(-Werror=declaration-after-statement HAVE_GCC_WERROR_DECLARATION_AFTER_STATEMENT)
      if(HAVE_GCC_WERROR_DECLARATION_AFTER_STATEMENT)
        if(CMAKE_VERSION VERSION_LESS 3.3)
          target_compile_options(sdl-global-options INTERFACE "-Werror=declaration-after-statement")
        else()
          target_compile_options(sdl-global-options INTERFACE "$<$<COMPILE_LANGUAGE:C>:-Werror=declaration-after-statement>")
          if(CMAKE_OBJC_COMPILER)
              target_compile_options(sdl-global-options INTERFACE "$<$<COMPILE_LANGUAGE:OBJC>:-Werror=declaration-after-statement>")
          endif()
        endif()
      endif()
    endif()
    if(CMAKE_VERSION VERSION_LESS 3.3)
      target_compile_options(sdl-global-options INTERFACE "-Wdeclaration-after-statement")
    else()
      target_compile_options(sdl-global-options INTERFACE "$<$<COMPILE_LANGUAGE:C>:-Wdeclaration-after-statement>")
      if(CMAKE_OBJC_COMPILER)
          target_compile_options(sdl-global-options INTERFACE "$<$<COMPILE_LANGUAGE:OBJC>:-Wdeclaration-after-statement>")
      endif()
    endif()
  endif()

  check_c_compiler_flag(-Wdocumentation HAVE_GCC_WDOCUMENTATION)
  if(HAVE_GCC_WDOCUMENTATION)
    if(SDL_WERROR)
      check_c_compiler_flag(-Werror=documentation HAVE_GCC_WERROR_DOCUMENTATION)
      if(HAVE_GCC_WERROR_DOCUMENTATION)
        target_compile_options(sdl-global-options INTERFACE "-Werror=documentation")
      endif()
    endif()
    target_compile_options(sdl-global-options INTERFACE "-Wdocumentation")
  endif()

  check_c_compiler_flag(-Wdocumentation-unknown-command HAVE_GCC_WDOCUMENTATION_UNKNOWN_COMMAND)
  if(HAVE_GCC_WDOCUMENTATION_UNKNOWN_COMMAND)
    if(SDL_WERROR)
      check_c_compiler_flag(-Werror=documentation-unknown-command HAVE_GCC_WERROR_DOCUMENTATION_UNKNOWN_COMMAND)
      if(HAVE_GCC_WERROR_DOCUMENTATION_UNKNOWN_COMMAND)
        target_compile_options(sdl-global-options INTERFACE "-Werror=documentation-unknown-command")
      endif()
    endif()
    target_compile_options(sdl-global-options INTERFACE "-Wdocumentation-unknown-command")
  endif()

  if(DEPENDENCY_TRACKING)
    check_c_source_compiles("
        #if !defined(__GNUC__) || __GNUC__ < 3
        #error Dependency tracking requires GCC 3.0 or newer
        #endif
        int main(int argc, char **argv) { return 0; }" HAVE_DEPENDENCY_TRACKING)
  endif()

  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; }" HAVE_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; }" HAVE_GCC_SYNC_LOCK_TEST_AND_SET)
    endif()
  endif()

  check_c_compiler_flag(-Wshadow HAVE_GCC_WSHADOW)
  if(HAVE_GCC_WSHADOW)
    target_compile_options(sdl-global-options INTERFACE "-Wshadow")
  endif()

  if(APPLE)
    cmake_push_check_state()
    # FIXME: don't use deprecated declarations
    check_c_compiler_flag(-Wno-error=deprecated-declarations HAVE_WNO_ERROR_DEPRECATED_DECLARATIONS)
    if(HAVE_WNO_ERROR_DEPRECATED_DECLARATIONS)
      target_compile_options(sdl-build-options INTERFACE "-Wno-error=deprecated-declarations")
    endif()
    cmake_pop_check_state()

    if(CMAKE_VERSION VERSION_LESS "3.6")
      target_link_libraries(sdl-shared-build-options INTERFACE "-Wl,-compatibility_version,${SDL_DYLIB_COMPAT_VERSION}")
      target_link_libraries(sdl-shared-build-options INTERFACE "-Wl,-current_version,${SDL_DYLIB_CURRENT_VERSION}")
    endif()
  elseif(NOT OPENBSD)
    cmake_push_check_state()
    set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Wl,--no-undefined")
    check_c_compiler_flag("" HAVE_NO_UNDEFINED)
    cmake_pop_check_state()
    if(HAVE_NO_UNDEFINED AND NOT (USE_CLANG AND WINDOWS))
      target_link_libraries(sdl-shared-build-options INTERFACE "-Wl,--no-undefined")
    endif()
  endif()

  if(MINGW)
    # See if GCC's -gdwarf-4 is supported
    # See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101377 for why this is needed on Windows
    cmake_push_check_state()
    check_c_compiler_flag("-gdwarf-4" HAVE_GDWARF_4)
    if(HAVE_GDWARF_4)
      target_compile_options(sdl-global-options INTERFACE "-gdwarf-4")
    endif()
    cmake_pop_check_state()
  endif()

  # Force color diagnostics when one of these conditions are met
  if(DEFINED ENV{CI} OR DEFINED ENV{USE_CCACHE} OR CMAKE_GENERATOR MATCHES Ninja)
    if(EMSCRIPTEN OR (USE_GCC AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.9))
      target_compile_options(sdl-global-options INTERFACE -fdiagnostics-color=always)
    elseif(USE_CLANG AND NOT CMAKE_C_COMPILER_ID MATCHES AppleClang)
      target_compile_options(sdl-global-options INTERFACE -fcolor-diagnostics)
    endif()
  endif()
endif()
if(MSVC)
  target_compile_definitions(sdl-build-options INTERFACE "_CRT_SECURE_NO_DEPRECATE")
  target_compile_definitions(sdl-build-options INTERFACE "_CRT_NONSTDC_NO_DEPRECATE")
  target_compile_definitions(sdl-build-options INTERFACE "_CRT_SECURE_NO_WARNINGS")

  # CET support was added in VS 16.7
  if(MSVC_VERSION GREATER 1926 AND CMAKE_GENERATOR_PLATFORM MATCHES "Win32|x64")
    target_link_libraries(sdl-shared-build-options INTERFACE "-CETCOMPAT")
  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 src/stdlib/SDL_mslibc.c APPEND_STRING PROPERTY COMPILE_FLAGS " /GL-")
endif()

if(SDL_ASSEMBLY)
  if(USE_GCC OR USE_CLANG)
    # TODO: Those all seem to be quite GCC specific - needs to be
    # reworked for better compiler support
    set(HAVE_ASSEMBLY TRUE)
    if(SDL_MMX)
      cmake_push_check_state()
      set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -mmmx")
      check_c_source_compiles("
          #ifdef __MINGW32__
          #include <_mingw.h>
          #ifdef __MINGW64_VERSION_MAJOR
          #include <intrin.h>
          #else
          #include <mmintrin.h>
          #endif
          #else
          #include <mmintrin.h>
          #endif
          #ifndef __MMX__
          #error Assembler CPP flag not enabled
          #endif
          int main(int argc, char **argv) { return 0; }" HAVE_MMX)
      cmake_pop_check_state()
      if(HAVE_MMX)
        target_compile_options(sdl-build-options INTERFACE "-mmmx")
      endif()
    endif()

    if(SDL_SSE)
      cmake_push_check_state()
      set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -msse")
      check_c_source_compiles("
          #ifdef __MINGW32__
          #include <_mingw.h>
          #ifdef __MINGW64_VERSION_MAJOR
          #include <intrin.h>
          #else
          #include <xmmintrin.h>
          #endif
          #else
          #include <xmmintrin.h>
          #endif
          #ifndef __SSE__
          #error Assembler CPP flag not enabled
          #endif
          int main(int argc, char **argv) { return 0; }" CPU_SUPPORTS_SSE)
      cmake_pop_check_state()
      if(CPU_SUPPORTS_SSE)
        set(HAVE_SSE ON)
        target_compile_options(sdl-build-options INTERFACE "-msse")
      endif()
    endif()

    if(SDL_SSE2)
      cmake_push_check_state()
      set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -msse2")
      check_c_source_compiles("
          #ifdef __MINGW32__
          #include <_mingw.h>
          #ifdef __MINGW64_VERSION_MAJOR
          #include <intrin.h>
          #else
          #include <emmintrin.h>
          #endif
          #else
          #include <emmintrin.h>
          #endif
          #ifndef __SSE2__
          #error Assembler CPP flag not enabled
          #endif
          int main(int argc, char **argv) { return 0; }" CPU_SUPPORTS_SSE2)
      cmake_pop_check_state()
      if(CPU_SUPPORTS_SSE2)
        set(HAVE_SSE2 TRUE)
        target_compile_options(sdl-build-options INTERFACE "-msse2")
      endif()
    endif()

    if(SDL_SSE3)
      cmake_push_check_state()
      set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -msse3")
      check_c_source_compiles("
          #ifdef __MINGW32__
          #include <_mingw.h>
          #ifdef __MINGW64_VERSION_MAJOR
          #include <intrin.h>
          #else
          #include <pmmintrin.h>
          #endif
          #else
          #include <pmmintrin.h>
          #endif
          #ifndef __SSE3__
          #error Assembler CPP flag not enabled
          #endif
          int main(int argc, char **argv) { return 0; }" CPU_SUPPORTS_SSE3)
      cmake_pop_check_state()
      if(CPU_SUPPORTS_SSE3)
        set(HAVE_SSE3 TRUE)
        target_compile_options(sdl-build-options INTERFACE "-msse3")
      endif()
    endif()

    if(NOT SDL_SSEMATH)
      if(SDL_SSE OR SDL_SSE2 OR SDL_SSE3)
        if(USE_GCC)
          check_c_compiler_flag(-mfpmath=387 HAVE_FP_387)
          if(HAVE_FP_387)
            target_compile_options(sdl-build-options INTERFACE "-mfpmath=387")
          endif()
        endif()
      endif()
    else()
      set(HAVE_SSEMATH TRUE)
    endif()

    check_include_file("immintrin.h" HAVE_IMMINTRIN_H)

    if(SDL_ALTIVEC)
      cmake_push_check_state()
      set(CMAKE_REQUIRED_FLAGS "${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; }" HAVE_ALTIVEC_H_HDR)
      check_c_source_compiles("
          vector unsigned int vzero() {
              return vec_splat_u32(0);
          }
          int main(int argc, char **argv) { return 0; }" CPU_SUPPORTS_ALTIVEC)
      cmake_pop_check_state()
      if(CPU_SUPPORTS_ALTIVEC OR HAVE_ALTIVEC_H_HDR)
        set(HAVE_ALTIVEC TRUE) # if only HAVE_ALTIVEC_H_HDR is set
        target_compile_options(sdl-build-options INTERFACE "-maltivec")
        set(SDL_ALTIVEC_BLITTERS 1)
        if(HAVE_ALTIVEC_H_HDR)
          set(HAVE_ALTIVEC_H 1)
        endif()
      endif()
    endif()

    if(SDL_LSX)
      cmake_push_check_state()
      set(CMAKE_REQUIRED_FLAGS "${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; }" CPU_SUPPORTS_LSX)
      check_include_file("lsxintrin.h" HAVE_LSXINTRIN_H)
      cmake_pop_check_state()

      if(CPU_SUPPORTS_LSX AND HAVE_LSXINTRIN_H)
        target_compile_options(sdl-build-options INTERFACE "-mlsx")
        set(HAVE_LSX TRUE)
      endif()
    endif()

    if(SDL_LASX)
      cmake_push_check_state()
      set(CMAKE_REQUIRED_FLAGS "${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; }" CPU_SUPPORTS_LASX)
      check_include_file("lasxintrin.h" HAVE_LASXINTRIN_H)
      cmake_pop_check_state()
      if(CPU_SUPPORTS_LASX AND HAVE_LASXINTRIN_H)
        target_compile_options(sdl-build-options INTERFACE "-mlasx")
        set(HAVE_LASX TRUE)
      endif()
    endif()

    if(SDL_ARMSIMD)
      cmake_push_check_state()
      set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -x assembler-with-cpp")
      check_c_source_compiles("
        .text
        .arch armv6
        .object_arch armv4
        .arm
        .altmacro
        #ifndef __ARM_EABI__
        #error EABI is required (to be sure that calling conventions are compatible)
        #endif
        pld [r0]
        uqadd8 r0, r0, r0
      " ARMSIMD_FOUND)
      cmake_pop_check_state()

      if(ARMSIMD_FOUND)
        set(HAVE_ARMSIMD TRUE)
        set(SDL_ARM_SIMD_BLITTERS 1)
        file(GLOB ARMSIMD_SOURCES ${SDL3_SOURCE_DIR}/src/video/arm/pixman-arm-simd*.S)
        list(APPEND SOURCE_FILES ${ARMSIMD_SOURCES})
        set(WARN_ABOUT_ARM_SIMD_ASM_MIT TRUE)
      endif()
    endif()

    if(SDL_ARMNEON)
      cmake_push_check_state()
      set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -x assembler-with-cpp")
      check_c_source_compiles("
        .text
        .fpu neon
        .arch armv7a
        .object_arch armv4
        .eabi_attribute 10, 0
        .arm
        .altmacro
        #ifndef __ARM_EABI__
        #error EABI is required (to be sure that calling conventions are compatible)
        #endif
        pld [r0]
        vmovn.u16 d0, q0
      " ARMNEON_FOUND)
      cmake_pop_check_state()

      if(ARMNEON_FOUND)
        set(HAVE_ARMNEON TRUE)
        set(SDL_ARM_NEON_BLITTERS 1)
        file(GLOB ARMNEON_SOURCES ${SDL3_SOURCE_DIR}/src/video/arm/pixman-arm-neon*.S)
        list(APPEND SOURCE_FILES ${ARMNEON_SOURCES})
        set(WARN_ABOUT_ARM_NEON_ASM_MIT TRUE)
      endif()
    endif()

  elseif(MSVC_VERSION GREATER 1500)
    # TODO: SDL_cpuinfo.h needs to support the user's configuration wish
    # for MSVC - right now it is always activated
    if(SDL_CPU_X86)
      if(SDL_MMX)
        set(HAVE_MMX TRUE)
      endif()
    endif()
    if(SDL_SSE)
      set(HAVE_SSE TRUE)
    endif()
    if(SDL_SSE2)
      set(HAVE_SSE2 TRUE)
    endif()
    if(SDL_SSE3)
      set(HAVE_SSE3 TRUE)
    endif()
    check_include_file("immintrin.h" HAVE_IMMINTRIN_H)
  endif()
endif()

# TODO: Can't deactivate on FreeBSD? w/o LIBC, SDL_stdinc.h can't define
# anything.
if(SDL_LIBC)
  if(WINDOWS AND NOT MINGW)
    set(HAVE_LIBC TRUE)
    check_include_file(stdint.h HAVE_STDINT_H)
    foreach(_HEADER stdio.h string.h wchar.h ctype.h math.h limits.h)
      string(TOUPPER "HAVE_${_HEADER}" _UPPER)
      string(REPLACE "." "_" _HAVE_H ${_UPPER})
      set(${_HAVE_H} 1)
    endforeach()
    set(HAVE_SIGNAL_H 1)
    foreach(_FN
            malloc calloc realloc free bsearch qsort abs memset memcpy memmove memcmp
            wcslen _wcsdup wcsdup wcsstr wcscmp wcsncmp _wcsicmp _wcsnicmp
            strlen _strrev _strupr _strlwr strchr strrchr strstr itoa _ltoa
            _ultoa strtol strtoul strtoll strtod atoi atof strcmp strncmp
            _stricmp _strnicmp sscanf
            acos acosf asin asinf atan atanf atan2 atan2f ceil ceilf
            copysign copysignf cos cosf exp expf fabs fabsf floor floorf fmod fmodf
            log logf log10 log10f lround lroundf modf modff pow powf round roundf
            scalbn scalbnf sin sinf sqrt sqrtf tan tanf trunc truncf)
      string(TOUPPER ${_FN} _UPPER)
      set(HAVE_${_UPPER} 1)
    endforeach()
    set(HAVE_ALLOCA 1)
  else()
    set(HAVE_LIBC TRUE)
    set(headers_to_check
        ctype.h
        float.h
        iconv.h
        inttypes.h
        limits.h
        malloc.h
        math.h
        memory.h
        signal.h
        stdarg.h
        stddef.h
        stdint.h
        stdio.h
        stdlib.h
        string.h
        strings.h
        sys/types.h
        wchar.h
    )
    if(NOT EMSCRIPTEN)
      list(APPEND headers_to_check libunwind.h)
    endif()
    foreach(_HEADER ${headers_to_check})
      string(TOUPPER "${_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}})
    endforeach()
    check_include_file(linux/input.h HAVE_LINUX_INPUT_H)

    set(STDC_HEADER_NAMES "stddef.h;stdarg.h;stdlib.h;string.h;stdio.h;wchar.h;float.h")
    # TODO: refine the mprotect check
    check_c_source_compiles("#include <sys/types.h>
                             #include <sys/mman.h>
                             int main(void) { return 0; }" HAVE_MPROTECT)
    foreach(_FN
            strtod malloc calloc realloc free getenv setenv putenv unsetenv
            bsearch qsort abs bcopy memset memcpy memmove memcmp strlen strlcpy strlcat
            _strrev _strupr _strlwr index rindex strchr strrchr strstr strtok_r
            itoa _ltoa _uitoa _ultoa strtol strtoul _i64toa _ui64toa strtoll strtoull
            atoi atof strcmp strncmp _stricmp strcasecmp _strnicmp strncasecmp strcasestr
            wcscmp _wcsdup wcsdup wcslcat wcslcpy wcslen wcsncmp wcsstr
            wcscasecmp _wcsicmp wcsncasecmp _wcsnicmp
            sscanf vsscanf vsnprintf fopen64 fseeko fseeko64 _Exit
            )
      string(TOUPPER ${_FN} _UPPER)
      set(LIBC_HAS_VAR "LIBC_HAS_${_UPPER}")
      check_symbol_exists("${_FN}" "${STDC_HEADER_NAMES}" ${LIBC_HAS_VAR})
      set(HAVE_${_UPPER} ${${LIBC_HAS_VAR}})
    endforeach()

    check_symbol_exists(sigaction "signal.h" HAVE_SIGACTION)
    check_symbol_exists(setjmp "setjmp.h" HAVE_SETJMP)
    check_symbol_exists(nanosleep "time.h" HAVE_NANOSLEEP)
    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_library_exists(m pow "" HAVE_LIBM)
    if(HAVE_LIBM)
      cmake_push_check_state()
      list(APPEND CMAKE_REQUIRED_LIBRARIES m)
    endif()
    foreach(_FN
              atan atan2 atanf atan2f ceil ceilf copysign copysignf cos cosf
              exp expf fabs fabsf floor floorf fmod fmodf log logf log10 log10f
              lround lroundf pow powf round roundf scalbn scalbnf sin sinf sqrt
              sqrtf tan tanf acos acosf asin asinf trunc truncf)
        string(TOUPPER ${_FN} _UPPER)
        set(LIBC_HASVAR "LIBC_HAS_${_UPPER}")
        check_symbol_exists("${_FN}" "math.h" ${LIBC_HASVAR})
        set(HAVE_${_UPPER} ${${LIBC_HASVAR}})
    endforeach()
    if(HAVE_LIBM)
      cmake_pop_check_state()
      if(NOT VITA)
        list(APPEND SDL_EXTRA_LIBS m)
      endif()
    endif()

    if(SDL_SYSTEM_ICONV)
      check_library_exists(iconv iconv_open "" HAVE_LIBICONV)
      if(HAVE_LIBICONV)
        list(APPEND SDL_EXTRA_LIBS iconv)
        set(HAVE_ICONV 1)
        set(HAVE_SYSTEM_ICONV TRUE)
      else()
        check_library_exists(c iconv_open "" HAVE_BUILTIN_ICONV)
        if(HAVE_BUILTIN_ICONV)
          set(HAVE_ICONV 1)
          set(HAVE_SYSTEM_ICONV TRUE)
        endif()
      endif()
    endif()

    if(NOT APPLE)
      check_include_file(alloca.h HAVE_ALLOCA_H)
      check_symbol_exists(alloca "alloca.h" HAVE_ALLOCA1)
      check_symbol_exists(alloca "stdlib.h" HAVE_ALLOCA2)
      check_symbol_exists(alloca "malloc.h" HAVE_ALLOCA3)
      if(HAVE_ALLOCA1 OR HAVE_ALLOCA2 OR HAVE_ALLOCA3)
        set(HAVE_ALLOCA 1)
      endif()
    else()
      set(HAVE_ALLOCA_H 1)
      set(HAVE_ALLOCA 1)
    endif()

    check_struct_has_member("struct sigaction" "sa_sigaction" "signal.h" HAVE_SA_SIGACTION)
  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()
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_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)
    file(GLOB DUMMYAUDIO_SOURCES ${SDL3_SOURCE_DIR}/src/audio/dummy/*.c)
    list(APPEND SOURCE_FILES ${DUMMYAUDIO_SOURCES})
    set(HAVE_DUMMYAUDIO TRUE)
    set(HAVE_SDL_AUDIO TRUE)
  endif()
  if(SDL_DISKAUDIO)
    set(SDL_AUDIO_DRIVER_DISK 1)
    file(GLOB DISKAUDIO_SOURCES ${SDL3_SOURCE_DIR}/src/audio/disk/*.c)
    list(APPEND SOURCE_FILES ${DISKAUDIO_SOURCES})
    set(HAVE_DISKAUDIO TRUE)
    set(HAVE_SDL_AUDIO TRUE)
  endif()
endif()

if(UNIX OR APPLE)
  # Relevant for Unix/Darwin only
  set(DYNAPI_NEEDS_DLOPEN 1)
  CheckDLOPEN()
  if(SDL_LOADSO AND HAVE_DLOPEN)
    set(SDL_LOADSO_DLOPEN 1)
    file(GLOB DLOPEN_SOURCES ${SDL3_SOURCE_DIR}/src/loadso/dlopen/*.c)
    list(APPEND SOURCE_FILES ${DLOPEN_SOURCES})
    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)
    file(GLOB JOYSTICK_VIRTUAL_SOURCES ${SDL3_SOURCE_DIR}/src/joystick/virtual/*.c)
    list(APPEND SOURCE_FILES ${JOYSTICK_VIRTUAL_SOURCES})
  endif()
endif()

if(SDL_VIDEO)
  if(SDL_DUMMYVIDEO)
    set(SDL_VIDEO_DRIVER_DUMMY 1)
    file(GLOB VIDEO_DUMMY_SOURCES ${SDL3_SOURCE_DIR}/src/video/dummy/*.c)
    list(APPEND SOURCE_FILES ${VIDEO_DUMMY_SOURCES})
    set(HAVE_DUMMYVIDEO TRUE)
    set(HAVE_SDL_VIDEO TRUE)
  endif()
endif()

# Platform-specific options and settings
if(ANDROID)
  file(GLOB ANDROID_CORE_SOURCES ${SDL3_SOURCE_DIR}/src/core/android/*.c)
  list(APPEND SOURCE_FILES ${ANDROID_CORE_SOURCES} ${ANDROID_NDK}/sources/android/cpufeatures/cpu-features.c)
  set_property(SOURCE "${ANDROID_NDK}/sources/android/cpufeatures/cpu-features.c" APPEND_STRING PROPERTY COMPILE_FLAGS " -Wno-declaration-after-statement")

  if(SDL_MISC)
    file(GLOB ANDROID_MISC_SOURCES ${SDL3_SOURCE_DIR}/src/misc/android/*.c)
    list(APPEND SOURCE_FILES ${ANDROID_MISC_SOURCES})
    set(HAVE_SDL_MISC TRUE)
  endif()

  # 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()
  set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Werror=unused-command-line-argument")
  check_c_compiler_flag(-marm HAVE_ARM_MODE)
  cmake_pop_check_state()
  if(HAVE_ARM_MODE)
    set_property(SOURCE "${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_ANDROID 1)
    file(GLOB ANDROID_AUDIO_SOURCES ${SDL3_SOURCE_DIR}/src/audio/android/*.c)
    list(APPEND SOURCE_FILES ${ANDROID_AUDIO_SOURCES})

    set(SDL_AUDIO_DRIVER_OPENSLES 1)
    file(GLOB OPENSLES_AUDIO_SOURCES ${SDL3_SOURCE_DIR}/src/audio/openslES/*.c)
    list(APPEND SOURCE_FILES ${OPENSLES_AUDIO_SOURCES})

    list(APPEND SDL_EXTRA_LIBS ${ANDROID_DL_LIBRARY} OpenSLES)

    set(SDL_AUDIO_DRIVER_AAUDIO 1)
    file(GLOB AAUDIO_AUDIO_SOURCES ${SDL3_SOURCE_DIR}/src/audio/aaudio/*.c)
    list(APPEND SOURCE_FILES ${AAUDIO_AUDIO_SOURCES})

    set(HAVE_SDL_AUDIO TRUE)
  endif()
  if(SDL_FILESYSTEM)
    set(SDL_FILESYSTEM_ANDROID 1)
    file(GLOB ANDROID_FILESYSTEM_SOURCES ${SDL3_SOURCE_DIR}/src/filesystem/android/*.c)
    list(APPEND SOURCE_FILES ${ANDROID_FILESYSTEM_SOURCES})
    set(HAVE_SDL_FILESYSTEM TRUE)
  endif()
  if(SDL_HAPTIC)
    set(SDL_HAPTIC_ANDROID 1)
    file(GLOB ANDROID_HAPTIC_SOURCES ${SDL3_SOURCE_DIR}/src/haptic/android/*.c)
    list(APPEND SOURCE_FILES ${ANDROID_HAPTIC_SOURCES})
    set(HAVE_SDL_HAPTIC TRUE)
  endif()
  if(SDL_HIDAPI)
    CheckHIDAPI()
  endif()
  if(SDL_JOYSTICK)
    set(SDL_JOYSTICK_ANDROID 1)
    file(GLOB ANDROID_JOYSTICK_SOURCES ${SDL3_SOURCE_DIR}/src/joystick/android/*.c ${SDL3_SOURCE_DIR}/src/joystick/steam/*.c)
    list(APPEND SOURCE_FILES ${ANDROID_JOYSTICK_SOURCES})
    set(HAVE_SDL_JOYSTICK TRUE)
  endif()
  if(SDL_LOADSO)
    set(SDL_LOADSO_DLOPEN 1)
    file(GLOB LOADSO_SOURCES ${SDL3_SOURCE_DIR}/src/loadso/dlopen/*.c)
    list(APPEND SOURCE_FILES ${LOADSO_SOURCES})
    set(HAVE_SDL_LOADSO TRUE)
  endif()
  if(SDL_POWER)
    set(SDL_POWER_ANDROID 1)
    file(GLOB ANDROID_POWER_SOURCES ${SDL3_SOURCE_DIR}/src/power/android/*.c)
    list(APPEND SOURCE_FILES ${ANDROID_POWER_SOURCES})
    set(HAVE_SDL_POWER TRUE)
  endif()
  if(SDL_LOCALE)
    file(GLOB ANDROID_LOCALE_SOURCES ${SDL3_SOURCE_DIR}/src/locale/android/*.c)
    list(APPEND SOURCE_FILES ${ANDROID_LOCALE_SOURCES})
    set(HAVE_SDL_LOCALE TRUE)
  endif()
  if(SDL_TIMERS)
    set(SDL_TIMER_UNIX 1)
    file(GLOB TIMER_SOURCES ${SDL3_SOURCE_DIR}/src/timer/unix/*.c)
    list(APPEND SOURCE_FILES ${TIMER_SOURCES})
    set(HAVE_SDL_TIMERS TRUE)
  endif()
  if(SDL_SENSOR)
    set(SDL_SENSOR_ANDROID 1)
    set(HAVE_SDL_SENSORS TRUE)
    file(GLOB ANDROID_SENSOR_SOURCES ${SDL3_SOURCE_DIR}/src/sensor/android/*.c)
    list(APPEND SOURCE_FILES ${ANDROID_SENSOR_SOURCES})
  endif()
  if(SDL_VIDEO)
    set(SDL_VIDEO_DRIVER_ANDROID 1)
    file(GLOB ANDROID_VIDEO_SOURCES ${SDL3_SOURCE_DIR}/src/video/android/*.c)
    list(APPEND SOURCE_FILES ${ANDROID_VIDEO_SOURCES})
    set(HAVE_SDL_VIDEO TRUE)

    # Core stuff
    # find_library(ANDROID_DL_LIBRARY dl)
    # FIXME failing dlopen https://github.com/android-ndk/ndk/issues/929
    list(APPEND SDL_EXTRA_LIBS dl log android)
    target_compile_definitions(sdl-build-options INTERFACE "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)

      list(APPEND SDL_EXTRA_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)
      endif()
    endif()
  endif()

  CheckPTHREAD()
  if(SDL_CLOCK_GETTIME)
    set(HAVE_CLOCK_GETTIME 1)
  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.
  target_compile_options(sdl-build-options INTERFACE "-Wno-warn-absolute-paths")

  if(SDL_MISC)
    file(GLOB EMSRIPTEN_MISC_SOURCES ${SDL3_SOURCE_DIR}/src/misc/emscripten/*.c)
    list(APPEND SOURCE_FILES ${EMSRIPTEN_MISC_SOURCES})
    set(HAVE_SDL_MISC TRUE)
  endif()
  if(SDL_AUDIO)
    set(SDL_AUDIO_DRIVER_EMSCRIPTEN 1)
    file(GLOB EM_AUDIO_SOURCES ${SDL3_SOURCE_DIR}/src/audio/emscripten/*.c)
    list(APPEND SOURCE_FILES ${EM_AUDIO_SOURCES})
    set(HAVE_SDL_AUDIO TRUE)
  endif()
  if(SDL_FILESYSTEM)
    set(SDL_FILESYSTEM_EMSCRIPTEN 1)
    file(GLOB EM_FILESYSTEM_SOURCES ${SDL3_SOURCE_DIR}/src/filesystem/emscripten/*.c)
    list(APPEND SOURCE_FILES ${EM_FILESYSTEM_SOURCES})
    set(HAVE_SDL_FILESYSTEM TRUE)
  endif()
  if(SDL_JOYSTICK)
    set(SDL_JOYSTICK_EMSCRIPTEN 1)
    file(GLOB EM_JOYSTICK_SOURCES ${SDL3_SOURCE_DIR}/src/joystick/emscripten/*.c)
    list(APPEND SOURCE_FILES ${EM_JOYSTICK_SOURCES})
    set(HAVE_SDL_JOYSTICK TRUE)
  endif()
  if(SDL_POWER)
    set(SDL_POWER_EMSCRIPTEN 1)
    file(GLOB EM_POWER_SOURCES ${SDL3_SOURCE_DIR}/src/power/emscripten/*.c)
    list(APPEND SOURCE_FILES ${EM_POWER_SOURCES})
    set(HAVE_SDL_POWER TRUE)
  endif()
  if(SDL_LOCALE)
    file(GLOB LOCALE_SOURCES ${SDL3_SOURCE_DIR}/src/locale/emscripten/*.c)
    list(APPEND SOURCE_FILES ${LOCALE_SOURCES})
    set(HAVE_SDL_LOCALE TRUE)
  endif()
  if(SDL_TIMERS)
    set(SDL_TIMER_UNIX 1)
    file(GLOB TIMER_SOURCES ${SDL3_SOURCE_DIR}/src/timer/unix/*.c)
    list(APPEND SOURCE_FILES ${TIMER_SOURCES})
    set(HAVE_SDL_TIMERS TRUE)

    if(SDL_CLOCK_GETTIME)
      set(HAVE_CLOCK_GETTIME 1)
    endif()
  endif()
  if(SDL_VIDEO)
    set(SDL_VIDEO_DRIVER_EMSCRIPTEN 1)
    file(GLOB EM_VIDEO_SOURCES ${SDL3_SOURCE_DIR}/src/video/emscripten/*.c)
    list(APPEND SOURCE_FILES ${EM_VIDEO_SOURCES})
    set(HAVE_SDL_VIDEO TRUE)

    #enable gles
    if(SDL_OPENGLES)
      set(SDL_VIDEO_OPENGL_EGL 1)
      set(HAVE_OPENGLES TRUE)
      set(SDL_VIDEO_OPENGL_ES2 1)
      set(SDL_VIDEO_RENDER_OGL_ES2 1)
    endif()
  endif()

  CheckPTHREAD()

  if(HAVE_LIBUNWIND_H)
    list(APPEND EXTRA_TEST_LIBS unwind)
  endif()

elseif(UNIX AND NOT APPLE AND NOT RISCOS AND NOT HAIKU)
  if(SDL_AUDIO)
    if(NETBSD)
        set(SDL_AUDIO_DRIVER_NETBSD 1)
        file(GLOB NETBSD_AUDIO_SOURCES ${SDL3_SOURCE_DIR}/src/audio/netbsd/*.c)
        list(APPEND SOURCE_FILES ${NETBSD_AUDIO_SOURCES})
        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 depends on it.
    CheckEGL()
    CheckKMSDRM()
    CheckGLX()
    CheckOpenGL()
    CheckOpenGLES()
    CheckWayland()
    CheckVivante()
    # FIXME: implement CheckVulkan()
    if(SDL_VULKAN)
      set(SDL_VIDEO_VULKAN 1)
      set(HAVE_VULKAN TRUE)
    endif()
  endif()

  if(UNIX)
    file(GLOB CORE_UNIX_SOURCES ${SDL3_SOURCE_DIR}/src/core/unix/*.c)
    list(APPEND SOURCE_FILES ${CORE_UNIX_SOURCES})

    if (HAVE_LINUX_INPUT_H)
        check_c_source_compiles("
            #include <linux/input.h>
            #ifndef EVIOCGNAME
            #error EVIOCGNAME() ioctl not available
            #endif
            int main(int argc, char** argv) { return 0; }" HAVE_INPUT_EVENTS)
    endif()

    if(LINUX)
      check_c_source_compiles("
          #include <linux/kd.h>
          #include <linux/keyboard.h>
          #include <sys/ioctl.h>
          int main(int argc, char **argv) {
              struct kbentry kbe;
              kbe.kb_table = KG_CTRL;
              ioctl(0, KDGKBENT, &kbe);
              return 0;
          }" HAVE_INPUT_KD)
    elseif(FREEBSD)
      check_c_source_compiles("
          #include <sys/kbio.h>
          #include <sys/ioctl.h>
          int main(int argc, char **argv) {
              accentmap_t accTable;
              ioctl(0, KDENABIO, 1);
              return 0;
          }" HAVE_INPUT_KBIO)
    elseif(OPENBSD OR NETBSD)
      check_c_source_compiles("
          #include <sys/time.h>
          #include <dev/wscons/wsconsio.h>
          #include <dev/wscons/wsksymdef.h>
          #include <dev/wscons/wsksymvar.h>
          #include <sys/ioctl.h>
          int main(int argc, char **argv) {
              struct wskbd_map_data data;
              ioctl(0, WSKBDIO_GETMAP, &data);
              return 0;
          }" HAVE_INPUT_WSCONS)
    endif()

    if(HAVE_INPUT_EVENTS)
      set(SDL_INPUT_LINUXEV 1)
    endif()

    if(SDL_HAPTIC AND HAVE_INPUT_EVENTS)
      set(SDL_HAPTIC_LINUX 1)
      file(GLOB HAPTIC_SOURCES ${SDL3_SOURCE_DIR}/src/haptic/linux/*.c)
      list(APPEND SOURCE_FILES ${HAPTIC_SOURCES})
      set(HAVE_SDL_HAPTIC TRUE)
    endif()

    if(HAVE_INPUT_KD)
      set(SDL_INPUT_LINUXKD 1)
    endif()

    if(HAVE_INPUT_KBIO)
      set(SDL_INPUT_FBSDKBIO 1)
    endif()

    if(HAVE_INPUT_WSCONS)
      set(SDL_INPUT_WSCONS 1)
    endif()

    CheckLibUDev()
    check_include_file("sys/inotify.h" HAVE_SYS_INOTIFY_H)
    check_symbol_exists(inotify_init "sys/inotify.h" HAVE_INOTIFY_INIT)
    check_symbol_exists(inotify_init1 "sys/inotify.h" HAVE_INOTIFY_INIT1)

    if(HAVE_SYS_INOTIFY_H AND HAVE_INOTIFY_INIT)
      set(HAVE_INOTIFY 1)
    endif()

    if(PKG_CONFIG_FOUND)
      if(SDL_DBUS)
        pkg_search_module(DBUS dbus-1 dbus)
        if(DBUS_FOUND)
          set(HAVE_DBUS_DBUS_H TRUE)
          target_include_directories(sdl-build-options INTERFACE ${DBUS_INCLUDE_DIRS})
          # Fcitx need only dbus.
          set(HAVE_FCITX TRUE)
          set(HAVE_DBUS TRUE)
        endif()
      endif()

      if(SDL_IBUS)
        pkg_search_module(IBUS ibus-1.0 ibus)
        find_path(HAVE_SYS_INOTIFY_H NAMES sys/inotify.h)
        if(IBUS_FOUND AND HAVE_SYS_INOTIFY_H)
          set(HAVE_IBUS_IBUS_H TRUE)
          target_include_directories(sdl-build-options INTERFACE ${IBUS_INCLUDE_DIRS})
          set(HAVE_IBUS TRUE)
        endif()
      endif()

      if (HAVE_IBUS_IBUS_H OR HAVE_FCITX)
        set(SDL_USE_IME 1)
      endif()

      if(FREEBSD AND NOT HAVE_INOTIFY)
        pkg_search_module(INOTIFY libinotify)
        if(INOTIFY_FOUND)
          set(HAVE_INOTIFY 1)
          target_include_directories(sdl-build-options INTERFACE ${INOTIFY_INCLUDE_DIRS})
          list(APPEND SDL_EXTRA_LIBS ${INOTIFY_LIBRARIES})
        endif()
      endif()

      if(HAVE_LIBUNWIND_H)
        # We've already found the header, so link the lib if present.
        # NB: This .pc file is not present on FreeBSD where the implicitly
        # linked base system libgcc_s includes all libunwind ABI.
        pkg_search_module(UNWIND libunwind)
        pkg_search_module(UNWIND_GENERIC libunwind-generic)
        list(APPEND EXTRA_TEST_LIBS ${UNWIND_LIBRARIES} ${UNWIND_GENERIC_LIBRARIES})
      endif()
    endif()

    if(HAVE_DBUS_DBUS_H)
      list(APPEND SOURCE_FILES "${SDL3_SOURCE_DIR}/src/core/linux/SDL_dbus.c")
    endif()

    if(SDL_USE_IME)
      list(APPEND SOURCE_FILES "${SDL3_SOURCE_DIR}/src/core/linux/SDL_ime.c")
    endif()

    if(HAVE_IBUS_IBUS_H)
      list(APPEND SOURCE_FILES "${SDL3_SOURCE_DIR}/src/core/linux/SDL_ibus.c")
    endif()

    if(HAVE_FCITX)
      list(APPEND SOURCE_FILES "${SDL3_SOURCE_DIR}/src/core/linux/SDL_fcitx.c")
    endif()

    if(HAVE_LIBUDEV_H)
      list(APPEND SOURCE_FILES "${SDL3_SOURCE_DIR}/src/core/linux/SDL_udev.c")
    endif()

    if(HAVE_INPUT_EVENTS)
      list(APPEND SOURCE_FILES "${SDL3_SOURCE_DIR}/src/core/linux/SDL_evdev.c")
      list(APPEND SOURCE_FILES "${SDL3_SOURCE_DIR}/src/core/linux/SDL_evdev_kbd.c")
    endif()

    if(HAVE_INPUT_KBIO)
      list(APPEND SOURCE_FILES "${SDL3_SOURCE_DIR}/src/core/freebsd/SDL_evdev_kbd_freebsd.c")
    endif()

    # Always compiled for Linux, unconditionally:
    list(APPEND SOURCE_FILES "${SDL3_SOURCE_DIR}/src/core/linux/SDL_evdev_capabilities.c")
    list(APPEND SOURCE_FILES "${SDL3_SOURCE_DIR}/src/core/linux/SDL_threadprio.c")
    list(APPEND SOURCE_FILES "${SDL3_SOURCE_DIR}/src/core/linux/SDL_sandbox.c")

    # src/core/unix/*.c is included in a generic if(UNIX) section, elsewhere.
  endif()

  if(SDL_HIDAPI)
    CheckHIDAPI()
  endif()

  if(SDL_JOYSTICK)
    if(FREEBSD OR NETBSD OR OPENBSD OR BSDI)
      CheckUSBHID()
    endif()
    if(LINUX AND HAVE_LINUX_INPUT_H AND NOT ANDROID)
      set(SDL_JOYSTICK_LINUX 1)
      file(GLOB JOYSTICK_SOURCES ${SDL3_SOURCE_DIR}/src/joystick/linux/*.c ${SDL3_SOURCE_DIR}/src/joystick/steam/*.c)
      list(APPEND SOURCE_FILES ${JOYSTICK_SOURCES})
      set(HAVE_SDL_JOYSTICK TRUE)
    endif()
  endif()

  CheckPTHREAD()

  if(SDL_CLOCK_GETTIME)
    check_library_exists(rt clock_gettime "" FOUND_CLOCK_GETTIME_LIBRT)
    if(FOUND_CLOCK_GETTIME_LIBRT)
      list(APPEND SDL_EXTRA_LIBS rt)
      set(HAVE_CLOCK_GETTIME 1)
    else()
      check_library_exists(c clock_gettime "" FOUND_CLOCK_GETTIME_LIBC)
      if(FOUND_CLOCK_GETTIME_LIBC)
        set(HAVE_CLOCK_GETTIME 1)
      endif()
    endif()
  endif()

  if(SDL_MISC)
    file(GLOB MISC_SOURCES ${SDL3_SOURCE_DIR}/src/misc/unix/*.c)
    list(APPEND SOURCE_FILES ${MISC_SOURCES})
    set(HAVE_SDL_MISC TRUE)
  endif()

  if(SDL_POWER)
    if(LINUX)
      set(SDL_POWER_LINUX 1)
      file(GLOB POWER_SOURCES ${SDL3_SOURCE_DIR}/src/power/linux/*.c)
      list(APPEND SOURCE_FILES ${POWER_SOURCES})
      set(HAVE_SDL_POWER TRUE)
    endif()
  endif()

  if(SDL_LOCALE)
    file(GLOB LOCALE_SOURCES ${SDL3_SOURCE_DIR}/src/locale/unix/*.c)
    list(APPEND SOURCE_FILES ${LOCALE_SOURCES})
    set(HAVE_SDL_LOCALE TRUE)
  endif()

  if(SDL_FILESYSTEM)
    set(SDL_FILESYSTEM_UNIX 1)
    file(GLOB FILESYSTEM_SOURCES ${SDL3_SOURCE_DIR}/src/filesystem/unix/*.c)
    list(APPEND SOURCE_FILES ${FILESYSTEM_SOURCES})
    set(HAVE_SDL_FILESYSTEM TRUE)
  endif()

  if(SDL_TIMERS)
    set(SDL_TIMER_UNIX 1)
    file(GLOB TIMER_SOURCES ${SDL3_SOURCE_DIR}/src/timer/unix/*.c)
    list(APPEND SOURCE_FILES ${TIMER_SOURCES})
    set(HAVE_SDL_TIMERS TRUE)
  endif()

  set(SDL_RLD_FLAGS "")
  if(SDL_RPATH AND SDL_SHARED)
    if(BSDI OR FREEBSD OR LINUX OR NETBSD)
      cmake_push_check_state()
      set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Wl,--enable-new-dtags")
      check_c_compiler_flag("" HAVE_ENABLE_NEW_DTAGS)
      cmake_pop_check_state()
      if(HAVE_ENABLE_NEW_DTAGS)
        set(SDL_RLD_FLAGS "-Wl,-rpath,\${libdir} -Wl,--enable-new-dtags")
      else()
        set(SDL_RLD_FLAGS "-Wl,-rpath,\${libdir}")
      endif()
    elseif(SOLARIS)
      set(SDL_RLD_FLAGS "-R\${libdir}")
    endif()
    set(HAVE_RPATH TRUE)
  endif()

elseif(WINDOWS)
  find_program(WINDRES windres)

  check_c_source_compiles("
    #include <windows.h>
    int main(int argc, char **argv) { return 0; }" HAVE_WIN32_CC)

  file(GLOB CORE_SOURCES ${SDL3_SOURCE_DIR}/src/core/windows/*.c)
  list(APPEND SOURCE_FILES ${CORE_SOURCES})

  if(WINDOWS_STORE)
    file(GLOB WINRT_SOURCE_FILES ${SDL3_SOURCE_DIR}/src/core/winrt/*.c ${SDL3_SOURCE_DIR}/src/core/winrt/*.cpp)
    list(APPEND SOURCE_FILES ${WINRT_SOURCE_FILES})
  endif()

  if(MSVC AND NOT SDL_LIBC)
    # Prevent codegen that would use the VC runtime libraries.
    set_property(DIRECTORY . APPEND PROPERTY COMPILE_OPTIONS "/GS-")
    if(SDL_CPU_X86)
      set_property(DIRECTORY . APPEND PROPERTY COMPILE_OPTIONS "/arch:SSE")
    endif()
  endif()

  if(SDL_MISC)
    if(WINDOWS_STORE)
      file(GLOB MISC_SOURCES ${SDL3_SOURCE_DIR}/src/misc/winrt/*.cpp)
    else()
      file(GLOB MISC_SOURCES ${SDL3_SOURCE_DIR}/src/misc/windows/*.c)
    endif()
    list(APPEND SOURCE_FILES ${MISC_SOURCES})
    set(HAVE_SDL_MISC TRUE)
  endif()

  # Check for DirectX
  if(SDL_DIRECTX)
    cmake_push_check_state()
    if(DEFINED MSVC_VERSION AND NOT ${MSVC_VERSION} LESS 1700)
        set(USE_WINSDK_DIRECTX TRUE)
    endif()
    if(NOT MINGW AND NOT USE_WINSDK_DIRECTX)
      if("$ENV{DXSDK_DIR}" STREQUAL "")
        message_error("DIRECTX requires the \$DXSDK_DIR environment variable to be set")
      endif()
      set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} /I\"$ENV{DXSDK_DIR}\\Include\"")
    endif()

    check_include_file(d3d9.h HAVE_D3D_H)
    check_include_file(d3d11_1.h HAVE_D3D11_H)
    check_c_source_compiles("
      #include <winsdkver.h>
      #include <sdkddkver.h>
      #include <d3d12.h>
      ID3D12Device1 *device;
      #if WDK_NTDDI_VERSION > 0x0A000008
      int main(int argc, char **argv) { return 0; }
      #endif" HAVE_D3D12_H)
    check_include_file(ddraw.h HAVE_DDRAW_H)
    check_include_file(dsound.h HAVE_DSOUND_H)
    check_include_file(dinput.h HAVE_DINPUT_H)
    if(WINDOWS_STORE OR CMAKE_GENERATOR_PLATFORM STREQUAL "ARM")
      set(HAVE_DINPUT_H 0)
    endif()
    check_include_file(dxgi.h HAVE_DXGI_H)
    cmake_pop_check_state()
    if(HAVE_D3D_H OR HAVE_D3D11_H OR HAVE_D3D12_H OR HAVE_DDRAW_H OR HAVE_DSOUND_H OR HAVE_DINPUT_H)
      set(HAVE_DIRECTX TRUE)
      if(NOT MINGW AND NOT USE_WINSDK_DIRECTX)
      # TODO: change $ENV{DXSDL_DIR} to get the path from the include checks
        target_link_directories(sdl-build-options INTERFACE "$$ENV{DXSDK_DIR}\\lib\\${PROCESSOR_ARCH}")
        target_include_directories(sdl-build-options INTERFACE "$ENV{DXSDK_DIR}\\Include")
      endif()
    endif()
  endif()

  if(SDL_XINPUT)
    # xinput.h may need windows.h, but does not include it itself.
    check_c_source_compiles("
      #include <windows.h>
      #include <xinput.h>
      int main(int argc, char **argv) { return 0; }" HAVE_XINPUT_H)
    check_c_source_compiles("
      #include <windows.h>
      #include <xinput.h>
      XINPUT_GAMEPAD_EX x1;
      int main(int argc, char **argv) { return 0; }" HAVE_XINPUT_GAMEPAD_EX)
    check_c_source_compiles("
      #include <windows.h>
      #include <xinput.h>
      XINPUT_STATE_EX s1;
      int main(int argc, char **argv) { return 0; }" HAVE_XINPUT_STATE_EX)
    check_c_source_compiles("
      #define COBJMACROS
      #include <windows.gaming.input.h>
      __x_ABI_CWindows_CGaming_CInput_CIGamepadStatics2 *s2;
      int main(int argc, char **argv) { return 0; }" HAVE_WINDOWS_GAMING_INPUT_H)
  endif()

  # headers needed elsewhere
  check_include_file(tpcshrd.h HAVE_TPCSHRD_H)
  check_include_file(roapi.h HAVE_ROAPI_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)
  check_include_file(shellscalingapi.h HAVE_SHELLSCALINGAPI_H)

  if(SDL_AUDIO)
    if(HAVE_DSOUND_H AND NOT WINDOWS_STORE)
      set(SDL_AUDIO_DRIVER_DSOUND 1)
      file(GLOB DSOUND_AUDIO_SOURCES ${SDL3_SOURCE_DIR}/src/audio/directsound/*.c)
      list(APPEND SOURCE_FILES ${DSOUND_AUDIO_SOURCES})
      set(HAVE_SDL_AUDIO TRUE)
    endif()

    if(SDL_WASAPI AND HAVE_AUDIOCLIENT_H AND HAVE_MMDEVICEAPI_H)
      set(SDL_AUDIO_DRIVER_WASAPI 1)
      set(HAVE_WASAPI TRUE)
      file(GLOB WASAPI_AUDIO_SOURCES ${SDL3_SOURCE_DIR}/src/audio/wasapi/*.c)
      if(WINDOWS_STORE)
        list(APPEND WASAPI_AUDIO_SOURCES ${SDL3_SOURCE_DIR}/src/audio/wasapi/SDL_wasapi_winrt.cpp)
      endif()
      list(APPEND SOURCE_FILES ${WASAPI_AUDIO_SOURCES})
      set(HAVE_SDL_AUDIO TRUE)
    endif()
  endif()

  if(SDL_VIDEO)
    # requires SDL_LOADSO on Windows (IME, DX, etc.)
    if(NOT SDL_LOADSO)
      message_error("SDL_VIDEO requires SDL_LOADSO, which is not enabled")
    endif()
    if(WINDOWS_STORE)
      set(SDL_VIDEO_DRIVER_WINRT 1)
      file(GLOB WIN_VIDEO_SOURCES
        ${SDL3_SOURCE_DIR}/src/video/winrt/*.c
        ${SDL3_SOURCE_DIR}/src/video/winrt/*.cpp
        ${SDL3_SOURCE_DIR}/src/render/direct3d11/*.cpp
        )
    else()
      set(SDL_VIDEO_DRIVER_WINDOWS 1)
      file(GLOB WIN_VIDEO_SOURCES ${SDL3_SOURCE_DIR}/src/video/windows/*.c)
    endif()
    list(APPEND SOURCE_FILES ${WIN_VIDEO_SOURCES})

    if(SDL_RENDER_D3D AND HAVE_D3D_H AND NOT WINDOWS_STORE)
      set(SDL_VIDEO_RENDER_D3D 1)
      set(HAVE_RENDER_D3D TRUE)
    endif()
    if(SDL_RENDER_D3D AND HAVE_D3D11_H)
      set(SDL_VIDEO_RENDER_D3D11 1)
      set(HAVE_RENDER_D3D TRUE)
    endif()
    if(SDL_RENDER_D3D AND HAVE_D3D12_H AND NOT WINDOWS_STORE)
      set(SDL_VIDEO_RENDER_D3D12 1)
      set(HAVE_RENDER_D3D TRUE)
    endif()
    set(HAVE_SDL_VIDEO TRUE)
  endif()

  if(SDL_THREADS)
    set(SDL_THREAD_GENERIC_COND_SUFFIX 1)
    set(SDL_THREAD_WINDOWS 1)
    list(APPEND SOURCE_FILES
      ${SDL3_SOURCE_DIR}/src/thread/generic/SDL_syscond.c
      ${SDL3_SOURCE_DIR}/src/thread/windows/SDL_syscond_cv.c
      ${SDL3_SOURCE_DIR}/src/thread/windows/SDL_sysmutex.c
      ${SDL3_SOURCE_DIR}/src/thread/windows/SDL_syssem.c
      ${SDL3_SOURCE_DIR}/src/thread/windows/SDL_systhread.c
      ${SDL3_SOURCE_DIR}/src/thread/windows/SDL_systls.c)
    set(HAVE_SDL_THREADS TRUE)
  endif()

  if(SDL_SENSOR AND HAVE_SENSORSAPI_H AND NOT WINDOWS_STORE)
    set(SDL_SENSOR_WINDOWS 1)
    set(HAVE_SDL_SENSORS TRUE)
    file(GLOB WINDOWS_SENSOR_SOURCES ${SDL3_SOURCE_DIR}/src/sensor/windows/*.c)
    list(APPEND SOURCE_FILES ${WINDOWS_SENSOR_SOURCES})
  endif()

  if(SDL_POWER)
    if(WINDOWS_STORE)
      set(SDL_POWER_WINRT 1)
      list(APPEND SOURCE_FILES ${SDL3_SOURCE_DIR}/src/power/winrt/SDL_syspower.cpp)
    else()
      set(SDL_POWER_WINDOWS 1)
      list(APPEND SOURCE_FILES ${SDL3_SOURCE_DIR}/src/power/windows/SDL_syspower.c)
      set(HAVE_SDL_POWER TRUE)
    endif()
  endif()

  if(SDL_LOCALE)
    if(WINDOWS_STORE)
      file(GLOB LOCALE_SOURCES ${SDL3_SOURCE_DIR}/src/locale/winrt/*.c)
    else()
      file(GLOB LOCALE_SOURCES ${SDL3_SOURCE_DIR}/src/locale/windows/*.c)
    endif()
    list(APPEND SOURCE_FILES ${LOCALE_SOURCES})
    set(HAVE_SDL_LOCALE TRUE)
  endif()

  if(SDL_FILESYSTEM)
    set(SDL_FILESYSTEM_WINDOWS 1)
    if(WINDOWS_STORE)
      file(GLOB FILESYSTEM_SOURCES ${SDL3_SOURCE_DIR}/src/filesystem/winrt/*.cpp)
    else()
      file(GLOB FILESYSTEM_SOURCES ${SDL3_SOURCE_DIR}/src/filesystem/windows/*.c)
    endif()
    list(APPEND SOURCE_FILES ${FILESYSTEM_SOURCES})
    set(HAVE_SDL_FILESYSTEM TRUE)
  endif()

  # Libraries for Win32 native and MinGW
  if(NOT WINDOWS_STORE)
    list(APPEND SDL_EXTRA_LIBS user32 gdi32 winmm imm32 ole32 oleaut32 version uuid advapi32 setupapi shell32)
  endif()

  if(WINDOWS_STORE)
    list(APPEND SDL_EXTRA_LIBS
      -nodefaultlib:vccorlib$<$<CONFIG:Debug>:d>
      -nodefaultlib:msvcrt$<$<CONFIG:Debug>:d>
      vccorlib$<$<CONFIG:Debug>:d>.lib
      msvcrt$<$<CONFIG:Debug>:d>.lib
    )
  endif()

  if(SDL_TIMERS)
    set(SDL_TIMER_WINDOWS 1)
    file(GLOB TIMER_SOURCES ${SDL3_SOURCE_DIR}/src/timer/windows/*.c)
    list(APPEND SOURCE_FILES ${TIMER_SOURCES})
    set(HAVE_SDL_TIMERS TRUE)
  endif()

  if(SDL_LOADSO)
    set(SDL_LOADSO_WINDOWS 1)
    file(GLOB LOADSO_SOURCES ${SDL3_SOURCE_DIR}/src/loadso/windows/*.c)
    list(APPEND SOURCE_FILES ${LOADSO_SOURCES})
    set(HAVE_SDL_LOADSO TRUE)
  endif()

  file(GLOB CORE_SOURCES ${SDL3_SOURCE_DIR}/src/core/windows/*.c)
  list(APPEND SOURCE_FILES ${CORE_SOURCES})

  if(SDL_VIDEO)
    if(SDL_OPENGL AND NOT WINDOWS_STORE)
      set(SDL_VIDEO_OPENGL 1)
      set(SDL_VIDEO_OPENGL_WGL 1)
      set(SDL_VIDEO_RENDER_OGL 1)
      set(HAVE_OPENGL TRUE)
    endif()

    if(SDL_OPENGLES)
      set(SDL_VIDEO_OPENGL_EGL 1)
      set(SDL_VIDEO_OPENGL_ES2 1)
      set(SDL_VIDEO_RENDER_OGL_ES2 1)
      set(HAVE_OPENGLES TRUE)
    endif()

    if(SDL_VULKAN)
      set(SDL_VIDEO_VULKAN 1)
      set(HAVE_VULKAN TRUE)
    endif()
  endif()

  if(SDL_HIDAPI)
    CheckHIDAPI()
  endif()

  if(SDL_JOYSTICK)
    file(GLOB JOYSTICK_SOURCES ${SDL3_SOURCE_DIR}/src/joystick/windows/*.c)
    list(APPEND SOURCE_FILES ${JOYSTICK_SOURCES})

    if(NOT WINDOWS_STORE)
      set(SDL_JOYSTICK_RAWINPUT 1)
    endif()
    if(HAVE_DINPUT_H)
      set(SDL_JOYSTICK_DINPUT 1)
      list(APPEND SDL_EXTRA_LIBS dinput8)
    endif()
    if(HAVE_XINPUT_H)
      if(NOT WINDOWS_STORE)
        set(SDL_JOYSTICK_XINPUT 1)
        set(HAVE_XINPUT TRUE)
      endif()
      if(HAVE_WINDOWS_GAMING_INPUT_H)
        set(SDL_JOYSTICK_WGI 1)
      endif()
    endif()
    set(HAVE_SDL_JOYSTICK TRUE)

    if(SDL_HAPTIC)
      if((HAVE_DINPUT_H OR HAVE_XINPUT_H) AND NOT WINDOWS_STORE)
        file(GLOB HAPTIC_SOURCES ${SDL3_SOURCE_DIR}/src/haptic/windows/*.c)
        if(HAVE_DINPUT_H)
          set(SDL_HAPTIC_DINPUT 1)
        endif()
        if(HAVE_XINPUT_H)
          set(SDL_HAPTIC_XINPUT 1)
        endif()
      else()
        file(GLOB HAPTIC_SOURCES ${SDL3_SOURCE_DIR}/src/haptic/dummy/*.c)
        set(SDL_HAPTIC_DUMMY 1)
      endif()
      list(APPEND SOURCE_FILES ${HAPTIC_SOURCES})
      set(HAVE_SDL_HAPTIC TRUE)
    endif()
  endif()

  file(GLOB VERSION_SOURCES ${SDL3_SOURCE_DIR}/src/core/windows/*.rc)
  if(MINGW OR CYGWIN)
    list(APPEND SDL_PC_LIBS "-mwindows")
  endif()

elseif(APPLE)
  # TODO: rework this all for proper macOS, iOS and Darwin support

  # We always need these libs on macOS at the moment.
  # !!! FIXME: we need Carbon for some very old API calls in
  # !!! FIXME:  src/video/cocoa/SDL_cocoakeyboard.c, but we should figure out
  # !!! FIXME:  how to dump those.
  if(DARWIN OR MACOSX)
    set(SDL_FRAMEWORK_COCOA 1)
    set(SDL_FRAMEWORK_CARBON 1)
  endif()
  set(SDL_FRAMEWORK_FOUNDATION 1)
  set(SDL_FRAMEWORK_COREVIDEO 1)

  # Requires the darwin file implementation
  if(SDL_FILE)
    file(GLOB EXTRA_SOURCES ${SDL3_SOURCE_DIR}/src/file/cocoa/*.m)
    list(APPEND SOURCE_FILES ${EXTRA_SOURCES})
    set(HAVE_SDL_FILE TRUE)
  endif()

  if(SDL_MISC)
    if(IOS OR TVOS)
      file(GLOB MISC_SOURCES ${SDL3_SOURCE_DIR}/src/misc/ios/*.m)
    else()
      file(GLOB MISC_SOURCES ${SDL3_SOURCE_DIR}/src/misc/macos/*.m)
    endif()
    list(APPEND SOURCE_FILES ${MISC_SOURCES})
    set(HAVE_SDL_MISC TRUE)
  endif()

  if(SDL_AUDIO)
    set(SDL_AUDIO_DRIVER_COREAUDIO 1)
    file(GLOB AUDIO_SOURCES ${SDL3_SOURCE_DIR}/src/audio/coreaudio/*.m)
    list(APPEND SOURCE_FILES ${AUDIO_SOURCES})
    set(HAVE_SDL_AUDIO TRUE)
    set(SDL_FRAMEWORK_COREAUDIO 1)
    set(SDL_FRAMEWORK_AUDIOTOOLBOX 1)
    set(SDL_FRAMEWORK_AVFOUNDATION 1)
  endif()

  if(SDL_HIDAPI)
    CheckHIDAPI()
  endif()

  if(SDL_JOYSTICK)
    file(GLOB MFI_JOYSTICK_SOURCES ${SDL3_SOURCE_DIR}/src/joystick/apple/*.m)
    if(IOS OR TVOS)
      file(GLOB JOYSTICK_SOURCES ${SDL3_SOURCE_DIR}/src/joystick/steam/*.c)
      set(SDL_JOYSTICK_MFI 1)
      if(IOS)
        set(SDL_FRAMEWORK_COREMOTION 1)
      endif()
      set(SDL_FRAMEWORK_GAMECONTROLLER 1)
      set(SDL_FRAMEWORK_COREHAPTICS 1)
    else()
      file(GLOB JOYSTICK_SOURCES ${SDL3_SOURCE_DIR}/src/joystick/darwin/*.c)
      set_property(SOURCE ${MFI_JOYSTICK_SOURCES} APPEND_STRING PROPERTY COMPILE_FLAGS " -fobjc-weak")
      check_objc_source_compiles("
          #include <AvailabilityMacros.h>
          #include <TargetConditionals.h>
          #import <Foundation/Foundation.h>
          #import <GameController/GameController.h>
          #if MAC_OS_X_VERSION_MIN_REQUIRED < 1080
          #error GameController framework doesn't work on this configuration
          #endif
          #if TARGET_CPU_X86
          #error GameController framework doesn't work on this configuration
          #endif
          int main() { return 0; }" HAVE_FRAMEWORK_GAMECONTROLLER)
      check_objc_source_compiles("
          #include <AvailabilityMacros.h>
          #include <TargetConditionals.h>
          #import <Foundation/Foundation.h>
          #import <CoreHaptics/CoreHaptics.h>
          int main() { return 0; }" HAVE_FRAMEWORK_COREHAPTICS)
      if(HAVE_FRAMEWORK_GAMECONTROLLER AND HAVE_FRAMEWORK_COREHAPTICS)
        # Only enable MFI if we also have CoreHaptics to ensure rumble works
        set(SDL_JOYSTICK_MFI 1)
        set(SDL_FRAMEWORK_GAMECONTROLLER 1)
        set(SDL_FRAMEWORK_COREHAPTICS 1)
      endif()
      set(SDL_JOYSTICK_IOKIT 1)
      set(SDL_FRAMEWORK_IOKIT 1)
      set(SDL_FRAMEWORK_FF 1)
    endif()
    list(APPEND SOURCE_FILES ${JOYSTICK_SOURCES} ${MFI_JOYSTICK_SOURCES})
    set(HAVE_SDL_JOYSTICK TRUE)
  endif()

  if(SDL_HAPTIC)
    if (IOS OR TVOS)
      file(GLOB HAPTIC_SOURCES ${SDL3_SOURCE_DIR}/src/haptic/dummy/*.c)
      set(SDL_HAPTIC_DUMMY 1)
    else()
      file(GLOB HAPTIC_SOURCES ${SDL3_SOURCE_DIR}/src/haptic/darwin/*.c)
      set(SDL_HAPTIC_IOKIT 1)
      set(SDL_FRAMEWORK_IOKIT 1)
      set(SDL_FRAMEWORK_FF 1)
    endif()
    list(APPEND SOURCE_FILES ${HAPTIC_SOURCES})
    set(HAVE_SDL_HAPTIC TRUE)
  endif()

  if(SDL_POWER)
    if (IOS OR TVOS)
      file(GLOB POWER_SOURCES ${SDL3_SOURCE_DIR}/src/power/uikit/*.m)
      set(SDL_POWER_UIKIT 1)
    else()
      file(GLOB POWER_SOURCES ${SDL3_SOURCE_DIR}/src/power/macos/*.c)
      set(SDL_POWER_MACOSX 1)
      set(SDL_FRAMEWORK_IOKIT 1)
    endif()
    list(APPEND SOURCE_FILES ${POWER_SOURCES})
    set(HAVE_SDL_POWER TRUE)
  endif()

  if(SDL_LOCALE)
    file(GLOB LOCALE_SOURCES ${SDL3_SOURCE_DIR}/src/locale/macos/*.m)
    list(APPEND SOURCE_FILES ${LOCALE_SOURCES})
    set(HAVE_SDL_LOCALE TRUE)
  endif()

  if(SDL_TIMERS)
    set(SDL_TIMER_UNIX 1)
    file(GLOB TIMER_SOURCES ${SDL3_SOURCE_DIR}/src/timer/unix/*.c)
    list(APPEND SOURCE_FILES ${TIMER_SOURCES})
    set(HAVE_SDL_TIMERS TRUE)
  endif(SDL_TIMERS)

  if(SDL_FILESYSTEM)
    set(SDL_FILESYSTEM_COCOA 1)
    file(GLOB FILESYSTEM_SOURCES ${SDL3_SOURCE_DIR}/src/filesystem/cocoa/*.m)
    list(APPEND SOURCE_FILES ${FILESYSTEM_SOURCES})
    set(HAVE_SDL_FILESYSTEM TRUE)
  endif()

  if(SDL_SENSOR)
    if(IOS)
      set(SDL_SENSOR_COREMOTION 1)
      set(HAVE_SDL_SENSORS TRUE)
      file(GLOB SENSOR_SOURCES ${SDL3_SOURCE_DIR}/src/sensor/coremotion/*.m)
      list(APPEND SOURCE_FILES ${SENSOR_SOURCES})
    endif()
  endif()

  # iOS hack needed - http://code.google.com/p/ios-cmake/ ?
  if(SDL_VIDEO)
    if (IOS OR TVOS)
      set(SDL_VIDEO_DRIVER_UIKIT 1)
      set(SDL_FRAMEWORK_COREGRAPHICS 1)
      set(SDL_FRAMEWORK_QUARTZCORE 1)
      set(SDL_FRAMEWORK_UIKIT 1)
      set(SDL_IPHONE_KEYBOARD 1)
      set(SDL_IPHONE_LAUNCHSCREEN 1)
      file(GLOB UIKITVIDEO_SOURCES ${SDL3_SOURCE_DIR}/src/video/uikit/*.m)
      list(APPEND SOURCE_FILES ${UIKITVIDEO_SOURCES})
      set(HAVE_SDL_VIDEO TRUE)
    else()
      CheckCOCOA()
      if(SDL_OPENGL)
        set(SDL_VIDEO_OPENGL 1)
        set(SDL_VIDEO_OPENGL_CGL 1)
        set(SDL_VIDEO_RENDER_OGL 1)
        set(HAVE_OPENGL TRUE)
      endif()
    endif()

    if(SDL_OPENGLES)
      if(IOS OR TVOS)
        set(SDL_FRAMEWORK_OPENGLES 1)
        set(SDL_VIDEO_OPENGL_ES 1)
      else()
        set(SDL_VIDEO_OPENGL_EGL 1)
      endif()
      set(SDL_VIDEO_OPENGL_ES2 1)
      set(SDL_VIDEO_RENDER_OGL_ES2 1)
      set(HAVE_OPENGLES TRUE)
    endif()

    if(SDL_VULKAN OR SDL_METAL OR SDL_RENDER_METAL)
      check_objc_source_compiles("
        #include <AvailabilityMacros.h>
        #import <Metal/Metal.h>
        #import <QuartzCore/CAMetalLayer.h>

        #if (!TARGET_CPU_X86_64 && !TARGET_CPU_ARM64)
        #error Metal doesn't work on this configuration
        #endif
        int main(int argc, char **argv) { return 0; }" HAVE_FRAMEWORK_METAL)
      if(HAVE_FRAMEWORK_METAL)
        set(SDL_FRAMEWORK_METAL 1)
        set(SDL_FRAMEWORK_QUARTZCORE 1)
        if(SDL_VULKAN)
          set(SDL_VIDEO_VULKAN 1)
          set(HAVE_VULKAN TRUE)
        endif()
        if(SDL_METAL)
          set(SDL_VIDEO_METAL 1)
          set(HAVE_METAL TRUE)
        endif()
        if(SDL_RENDER_METAL)
          file(GLOB RENDER_METAL_SOURCES ${SDL3_SOURCE_DIR}/src/render/metal/*.m)
          list(APPEND SOURCE_FILES ${RENDER_METAL_SOURCES})
          set(SDL_VIDEO_RENDER_METAL 1)
          set(HAVE_RENDER_METAL TRUE)
        endif()
      endif()
    endif()
  endif()

  # Actually load the frameworks at the end so we don't duplicate include.
  if(SDL_FRAMEWORK_COREVIDEO)
    list(APPEND SDL_EXTRA_LDFLAGS "-Wl,-framework,CoreVideo")
  endif()
  if(SDL_FRAMEWORK_COCOA)
    list(APPEND SDL_EXTRA_LDFLAGS "-Wl,-framework,Cocoa")
  endif()
  if(SDL_FRAMEWORK_IOKIT)
    list(APPEND SDL_EXTRA_LDFLAGS "-Wl,-framework,IOKit")
  endif()
  if(SDL_FRAMEWORK_FF)
    list(APPEND SDL_EXTRA_LDFLAGS "-Wl,-framework,ForceFeedback")
  endif()
  if(SDL_FRAMEWORK_CARBON)
    list(APPEND SDL_EXTRA_LDFLAGS "-Wl,-framework,Carbon")
  endif()
  if(SDL_FRAMEWORK_COREAUDIO)
    list(APPEND SDL_EXTRA_LDFLAGS "-Wl,-framework,CoreAudio")
  endif()
  if(SDL_FRAMEWORK_AUDIOTOOLBOX)
    list(APPEND SDL_EXTRA_LDFLAGS "-Wl,-framework,AudioToolbox")
  endif()
  if(SDL_FRAMEWORK_AVFOUNDATION)
    list(APPEND SDL_EXTRA_LDFLAGS "-Wl,-framework,AVFoundation")
  endif()
  if(SDL_FRAMEWORK_COREBLUETOOTH)
    list(APPEND SDL_EXTRA_LDFLAGS "-Wl,-framework,CoreBluetooth")
  endif()
  if(SDL_FRAMEWORK_COREGRAPHICS)
    list(APPEND SDL_EXTRA_LDFLAGS "-Wl,-framework,CoreGraphics")
  endif()
  if(SDL_FRAMEWORK_COREMOTION)
    list(APPEND SDL_EXTRA_LDFLAGS "-Wl,-framework,CoreMotion")
  endif()
  if(SDL_FRAMEWORK_FOUNDATION)
    list(APPEND SDL_EXTRA_LDFLAGS "-Wl,-framework,Foundation")
  endif()
  if(SDL_FRAMEWORK_GAMECONTROLLER)
    find_library(GAMECONTROLLER GameController)
    if(GAMECONTROLLER)
      list(APPEND SDL_EXTRA_LDFLAGS "-Wl,-weak_framework,GameController")
    endif()
  endif()
  if(SDL_FRAMEWORK_METAL)
    if(IOS OR TVOS)
      list(APPEND SDL_EXTRA_LDFLAGS "-Wl,-framework,Metal")
    else()
      list(APPEND SDL_EXTRA_LDFLAGS "-Wl,-weak_framework,Metal")
    endif()
  endif()
  if(SDL_FRAMEWORK_OPENGLES)
    list(APPEND SDL_EXTRA_LDFLAGS "-Wl,-framework,OpenGLES")
  endif()
  if(SDL_FRAMEWORK_QUARTZCORE)
    if(IOS OR TVOS)
      list(APPEND SDL_EXTRA_LDFLAGS "-Wl,-framework,QuartzCore")
    else()
      list(APPEND SDL_EXTRA_LDFLAGS "-Wl,-weak_framework,QuartzCore")
    endif()
  endif()
  if(SDL_FRAMEWORK_UIKIT)
    list(APPEND SDL_EXTRA_LDFLAGS "-Wl,-framework,UIKit")
  endif()
  if(SDL_FRAMEWORK_COREHAPTICS)
    find_library(COREHAPTICS CoreHaptics)
    if(COREHAPTICS)
      list(APPEND SDL_EXTRA_LDFLAGS "-Wl,-weak_framework,CoreHaptics")
    endif()
  endif()

  CheckPTHREAD()

elseif(HAIKU)
  if(SDL_AUDIO)
    set(SDL_AUDIO_DRIVER_HAIKU 1)
    file(GLOB HAIKU_AUDIO_SOURCES ${SDL3_SOURCE_DIR}/src/audio/haiku/*.cc)
    list(APPEND SOURCE_FILES ${HAIKU_AUDIO_SOURCES})
    set(HAVE_SDL_AUDIO TRUE)
  endif()

  if(SDL_JOYSTICK)
    set(SDL_JOYSTICK_HAIKU 1)
    file(GLOB HAIKU_JOYSTICK_SOURCES ${SDL3_SOURCE_DIR}/src/joystick/haiku/*.cc)
    list(APPEND SOURCE_FILES ${HAIKU_JOYSTICK_SOURCES})
    set(HAVE_SDL_JOYSTICK TRUE)
  endif()

  if(SDL_MISC)
    file(GLOB MISC_SOURCES ${SDL3_SOURCE_DIR}/src/misc/haiku/*.cc)
    list(APPEND SOURCE_FILES ${MISC_SOURCES})
    set(HAVE_SDL_MISC TRUE)
  endif()

  if(SDL_VIDEO)
    set(SDL_VIDEO_DRIVER_HAIKU 1)
    file(GLOB HAIKUVIDEO_SOURCES ${SDL3_SOURCE_DIR}/src/video/haiku/*.cc)
    list(APPEND SOURCE_FILES ${HAIKUVIDEO_SOURCES})
    set(HAVE_SDL_VIDEO TRUE)

    if(SDL_OPENGL)
      # TODO: Use FIND_PACKAGE(OpenGL) instead
      set(SDL_VIDEO_OPENGL 1)
      set(SDL_VIDEO_OPENGL_HAIKU 1)
      set(SDL_VIDEO_RENDER_OGL 1)
      list(APPEND SDL_EXTRA_LIBS GL)
      set(HAVE_OPENGL TRUE)
    endif()
  endif()

  if(SDL_FILESYSTEM)
    set(SDL_FILESYSTEM_HAIKU 1)
    file(GLOB FILESYSTEM_SOURCES ${SDL3_SOURCE_DIR}/src/filesystem/haiku/*.cc)
    list(APPEND SOURCE_FILES ${FILESYSTEM_SOURCES})
    set(HAVE_SDL_FILESYSTEM TRUE)
  endif()

  if(SDL_TIMERS)
    set(SDL_TIMER_HAIKU 1)
    file(GLOB TIMER_SOURCES ${SDL3_SOURCE_DIR}/src/timer/haiku/*.c)
    list(APPEND SOURCE_FILES ${TIMER_SOURCES})
    set(HAVE_SDL_TIMERS TRUE)
  endif()

  if(SDL_POWER)
    set(SDL_POWER_HAIKU 1)
    file(GLOB HAIKU_POWER_SOURCES ${SDL3_SOURCE_DIR}/src/power/haiku/*.c)
    list(APPEND SOURCE_FILES ${HAIKU_POWER_SOURCES})
    set(HAVE_SDL_POWER TRUE)
  endif()

  if(SDL_LOCALE)
    file(GLOB LOCALE_SOURCES ${SDL3_SOURCE_DIR}/src/locale/haiku/*.cc)
    list(APPEND SOURCE_FILES ${LOCALE_SOURCES})
    set(HAVE_SDL_LOCALE TRUE)
  endif()

  file(GLOB HAIKU_CORE_SOURCES ${SDL3_SOURCE_DIR}/src/core/haiku/*.cc)
  list(APPEND SOURCE_FILES ${HAIKU_CORE_SOURCES})

  CheckPTHREAD()
  list(APPEND SDL_EXTRA_LIBS root be media game device textencoding)

elseif(RISCOS)
  if(SDL_MISC)
    file(GLOB MISC_SOURCES ${SDL3_SOURCE_DIR}/src/misc/riscos/*.c)
    list(APPEND SOURCE_FILES ${MISC_SOURCES})
    set(HAVE_SDL_MISC TRUE)
  endif()

  if(SDL_VIDEO)
    set(SDL_VIDEO_DRIVER_RISCOS 1)
    file(GLOB RISCOSVIDEO_SOURCES ${SDL3_SOURCE_DIR}/src/video/riscos/*.c)
    list(APPEND SOURCE_FILES ${RISCOSVIDEO_SOURCES})
    set(HAVE_SDL_VIDEO TRUE)
  endif()

  if(SDL_FILESYSTEM)
    set(SDL_FILESYSTEM_RISCOS 1)
    file(GLOB FILESYSTEM_SOURCES ${SDL3_SOURCE_DIR}/src/filesystem/riscos/*.c)
    list(APPEND SOURCE_FILES ${FILESYSTEM_SOURCES})
    set(HAVE_SDL_FILESYSTEM TRUE)
  endif()

  if(SDL_TIMERS)
    set(SDL_TIMER_UNIX 1)
    file(GLOB TIMER_SOURCES ${SDL3_SOURCE_DIR}/src/timer/unix/*.c)
    list(APPEND SOURCE_FILES ${TIMER_SOURCES})
    set(HAVE_SDL_TIMERS TRUE)

    if(SDL_CLOCK_GETTIME)
      set(HAVE_CLOCK_GETTIME 1)
    endif()
  endif()

  CheckPTHREAD()

  if(SDL_AUDIO)
    CheckOSS()
  endif()

elseif(VITA)
  # SDL_spinlock.c Needs to be compiled in ARM mode.
  cmake_push_check_state()
  set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Werror=unused-command-line-argument")
  check_c_compiler_flag(-marm HAVE_ARM_MODE)
  cmake_pop_check_state()
  if(HAVE_ARM_MODE)
    set_property(SOURCE "${SDL3_SOURCE_DIR}/src/atomic/SDL_spinlock.c" APPEND_STRING PROPERTY COMPILE_FLAGS " -marm")
  endif()

  if(SDL_MISC)
    file(GLOB MISC_SOURCES ${SDL3_SOURCE_DIR}/src/misc/vita/*.c)
    list(APPEND SOURCE_FILES ${MISC_SOURCES})
    set(HAVE_SDL_MISC TRUE)
  endif()

  if(SDL_AUDIO)
    set(SDL_AUDIO_DRIVER_VITA 1)
    file(GLOB VITA_AUDIO_SOURCES ${SDL3_SOURCE_DIR}/src/audio/vita/*.c)
    list(APPEND SOURCE_FILES ${VITA_AUDIO_SOURCES})
    set(HAVE_SDL_AUDIO TRUE)
  endif()
  if(SDL_FILESYSTEM)
    set(SDL_FILESYSTEM_VITA 1)
    file(GLOB VITA_FILESYSTEM_SOURCES ${SDL3_SOURCE_DIR}/src/filesystem/vita/*.c)
    list(APPEND SOURCE_FILES ${VITA_FILESYSTEM_SOURCES})
    set(HAVE_SDL_FILESYSTEM TRUE)
  endif()
  if(SDL_JOYSTICK)
    set(SDL_JOYSTICK_VITA 1)
    file(GLOB VITA_JOYSTICK_SOURCES ${SDL3_SOURCE_DIR}/src/joystick/vita/*.c)
    list(APPEND SOURCE_FILES ${VITA_JOYSTICK_SOURCES})
    set(HAVE_SDL_JOYSTICK TRUE)
  endif()
  if(SDL_POWER)
    set(SDL_POWER_VITA 1)
    file(GLOB VITA_POWER_SOURCES ${SDL3_SOURCE_DIR}/src/power/vita/*.c)
    list(APPEND SOURCE_FILES ${VITA_POWER_SOURCES})
    set(HAVE_SDL_POWER TRUE)
  endif()
  if(SDL_THREADS)
    set(SDL_THREAD_VITA 1)
    list(APPEND SOURCE_FILES
      ${SDL3_SOURCE_DIR}/src/thread/vita/SDL_sysmutex.c
      ${SDL3_SOURCE_DIR}/src/thread/vita/SDL_syssem.c
      ${SDL3_SOURCE_DIR}/src/thread/vita/SDL_systhread.c
      ${SDL3_SOURCE_DIR}/src/thread/vita/SDL_syscond.c
      ${SDL3_SOURCE_DIR}/src/thread/generic/SDL_systls.c)
    set(HAVE_SDL_THREADS TRUE)
  endif()
  if(SDL_LOCALE)
    file(GLOB LOCALE_SOURCES ${SDL3_SOURCE_DIR}/src/locale/vita/*.c)
    list(APPEND SOURCE_FILES ${LOCALE_SOURCES})
    set(HAVE_SDL_LOCALE TRUE)
  endif()
  if(SDL_TIMERS)
    set(SDL_TIMER_VITA 1)
    file(GLOB TIMER_SOURCES ${SDL3_SOURCE_DIR}/src/timer/vita/*.c)
    list(APPEND SOURCE_FILES ${TIMER_SOURCES})
    set(HAVE_SDL_TIMERS TRUE)
  endif()
  if(SDL_SENSOR)
    set(SDL_SENSOR_VITA 1)
    set(HAVE_SDL_SENSORS TRUE)
    file(GLOB VITA_SENSOR_SOURCES ${SDL3_SOURCE_DIR}/src/sensor/vita/*.c)
    list(APPEND SOURCE_FILES ${VITA_SENSOR_SOURCES})
  endif()
  if(SDL_VIDEO)
    set(SDL_VIDEO_DRIVER_VITA 1)
    file(GLOB VITA_VIDEO_SOURCES ${SDL3_SOURCE_DIR}/src/video/vita/*.c)
    list(APPEND SOURCE_FILES ${VITA_VIDEO_SOURCES})
    set(HAVE_SDL_VIDEO TRUE)

    if(VIDEO_VITA_PIB)
      check_include_file(pib.h HAVE_PIGS_IN_BLANKET_H)

      if(HAVE_PIGS_IN_BLANKET_H)
        set(SDL_VIDEO_OPENGL_ES2 1)
        list(APPEND SDL_EXTRA_LIBS
          pib
          libScePiglet_stub_weak
          taihen_stub_weak
          SceShaccCg_stub_weak
        )
        set(HAVE_VIDEO_VITA_PIB ON)
        set(SDL_VIDEO_VITA_PIB 1)
      else()
        set(HAVE_VIDEO_VITA_PIB OFF)
      endif()
    endif()

    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 "__psp2__")
        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)

        list(APPEND SDL_EXTRA_LIBS
          libgpu_es4_ext_stub_weak
          libIMGEGL_stub_weak
          SceIme_stub
        )

        set(HAVE_VIDEO_VITA_PVR ON)
        set(SDL_VIDEO_VITA_PVR 1)

        if(SDL_OPENGL)
          check_include_file(gl4esinit.h HAVE_GL4ES_H)
          if(HAVE_GL4ES_H)
            set(HAVE_OPENGL TRUE)
            set(SDL_VIDEO_OPENGL 1)
            set(SDL_VIDEO_RENDER_OGL 1)
            list(APPEND SDL_EXTRA_LIBS libGL_stub)
            set(SDL_VIDEO_VITA_PVR_OGL 1)
          endif()
        endif()

      else()
        set(HAVE_VIDEO_VITA_PVR OFF)
      endif()
    endif()

    set(SDL_VIDEO_RENDER_VITA_GXM 1)

    list(APPEND SDL_EXTRA_LIBS
      SceGxm_stub
      SceDisplay_stub
      SceCtrl_stub
      SceAppMgr_stub
      SceAppUtil_stub
      SceAudio_stub
      SceAudioIn_stub
      SceSysmodule_stub
      SceDisplay_stub
      SceCtrl_stub
      SceIofilemgr_stub
      SceCommonDialog_stub
      SceTouch_stub
      SceHid_stub
      SceMotion_stub
      ScePower_stub
      SceProcessmgr_stub
      m
    )
  endif()

  set(HAVE_ARMSIMD TRUE)
#  set(SDL_ARM_SIMD_BLITTERS 1)
#  file(GLOB ARMSIMD_SOURCES ${SDL3_SOURCE_DIR}/src/video/arm/pixman-arm-simd*.S)
#  list(APPEND SOURCE_FILES ${ARMSIMD_SOURCES})

  set(HAVE_ARMNEON TRUE)
#  set(SDL_ARM_NEON_BLITTERS 1)
#  file(GLOB ARMNEON_SOURCES ${SDL3_SOURCE_DIR}/src/video/arm/pixman-arm-neon*.S)
#  list(APPEND SOURCE_FILES ${ARMNEON_SOURCES})

#  set_property(SOURCE ${SDL3_SOURCE_DIR}/src/video/arm/pixman-arm-simd-asm.S PROPERTY LANGUAGE C)
#  set_property(SOURCE ${SDL3_SOURCE_DIR}/src/video/arm/pixman-arm-neon-asm.S PROPERTY LANGUAGE C)

  target_compile_definitions(sdl-build-options INTERFACE "__VITA__")

#  CheckPTHREAD()

elseif(PSP)
  file(GLOB PSP_CORE_SOURCES ${SDL3_SOURCE_DIR}/src/core/psp/*.c)
  list(APPEND SOURCE_FILES ${PSP_CORE_SOURCES})

  if(SDL_AUDIO)
    set(SDL_AUDIO_DRIVER_PSP 1)
    file(GLOB PSP_AUDIO_SOURCES ${SDL3_SOURCE_DIR}/src/audio/psp/*.c)
    list(APPEND SOURCE_FILES ${PSP_AUDIO_SOURCES})
    set(HAVE_SDL_AUDIO TRUE)
  endif()
  if(SDL_FILESYSTEM)
    set(SDL_FILESYSTEM_PSP 1)
    file(GLOB PSP_FILESYSTEM_SOURCES ${SDL3_SOURCE_DIR}/src/filesystem/psp/*.c)
    list(APPEND SOURCE_FILES ${PSP_FILESYSTEM_SOURCES})
    set(HAVE_SDL_FILESYSTEM TRUE)
  endif()
  if(SDL_JOYSTICK)
    set(SDL_JOYSTICK_PSP 1)
    file(GLOB PSP_JOYSTICK_SOURCES ${SDL3_SOURCE_DIR}/src/joystick/psp/*.c)
    list(APPEND SOURCE_FILES ${PSP_JOYSTICK_SOURCES})
    set(HAVE_SDL_JOYSTICK TRUE)
  endif()
  if(SDL_POWER)
    set(SDL_POWER_PSP 1)
    file(GLOB PSP_POWER_SOURCES ${SDL3_SOURCE_DIR}/src/power/psp/*.c)
    list(APPEND SOURCE_FILES ${PSP_POWER_SOURCES})
    set(HAVE_SDL_POWER TRUE)
  endif()
  if(SDL_THREADS)
    set(SDL_THREAD_PSP 1)
    file(GLOB PSP_THREAD_SOURCES ${SDL3_SOURCE_DIR}/src/thread/generic/SDL_systls.c ${SDL3_SOURCE_DIR}/src/thread/psp/*.c)
    list(APPEND SOURCE_FILES ${PSP_THREAD_SOURCES})
    set(HAVE_SDL_THREADS TRUE)
  endif()
  if(SDL_TIMERS)
    set(SDL_TIMER_PSP 1)
    file(GLOB PSP_TIMER_SOURCES ${SDL3_SOURCE_DIR}/src/timer/psp/*.c)
    list(APPEND 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 ${SDL3_SOURCE_DIR}/src/video/psp/*.c)
    list(APPEND SOURCE_FILES ${PSP_VIDEO_SOURCES})
    set(SDL_VIDEO_OPENGL 1)
    set(HAVE_SDL_VIDEO TRUE)
  endif()

  list(APPEND SDL_EXTRA_LIBS
      GL
      pspvram
      pspaudio
      pspvfpu
      pspdisplay
      pspgu
      pspge
      psphprm
      pspctrl
      psppower
  )

elseif(PS2)
  target_compile_definitions(sdl-build-options INTERFACE "PS2" "__PS2__")
  target_include_directories(sdl-build-options INTERFACE "$ENV{PS2SDK}/ports/include" "$ENV{PS2DEV}/gsKit/include")

  file(GLOB PS2_CORE_SOURCES ${SDL3_SOURCE_DIR}/src/core/ps2/*.c)
  set(SOURCE_FILES ${SOURCE_FILES} ${PS2_CORE_SOURCES})

  if(SDL_AUDIO)
    set(SDL_AUDIO_DRIVER_PS2 1)
    file(GLOB PS2_AUDIO_SOURCES ${SDL3_SOURCE_DIR}/src/audio/ps2/*.c)
    set(SOURCE_FILES ${SOURCE_FILES} ${PS2_AUDIO_SOURCES})
    set(HAVE_SDL_AUDIO TRUE)
  endif()
  if(SDL_FILESYSTEM)
    set(SDL_FILESYSTEM_PS2 1)
    file(GLOB PS2_FILESYSTEM_SOURCES ${SDL3_SOURCE_DIR}/src/filesystem/ps2/*.c)
    list(APPEND SOURCE_FILES ${PS2_FILESYSTEM_SOURCES})
    set(HAVE_SDL_FILESYSTEM TRUE)
  endif()
  if(SDL_JOYSTICK)
    set(SDL_JOYSTICK_PS2 1)
    file(GLOB PS2_JOYSTICK_SOURCES ${SDL3_SOURCE_DIR}/src/joystick/ps2/*.c)
    list(APPEND SOURCE_FILES ${PS2_JOYSTICK_SOURCES})
    set(HAVE_SDL_JOYSTICK TRUE)
  endif()
  if(SDL_THREADS)
    set(SDL_THREAD_PS2 1)
    file(GLOB PS2_THREAD_SOURCES ${SDL3_SOURCE_DIR}/src/thread/generic/SDL_syscond.c ${SDL3_SOURCE_DIR}/src/thread/generic/SDL_sysmutex.c ${SDL3_SOURCE_DIR}/src/thread/generic/SDL_systls.c ${SDL3_SOURCE_DIR}/src/thread/ps2/*.c)
    list(APPEND SOURCE_FILES ${PS2_THREAD_SOURCES})
    set(HAVE_SDL_THREADS TRUE)
  endif()
  if(SDL_TIMERS)
    set(SDL_TIMER_PS2 1)
    file(GLOB PS2_TIMER_SOURCES ${SDL3_SOURCE_DIR}/src/timer/ps2/*.c)
    list(APPEND SOURCE_FILES ${PS2_TIMER_SOURCES})
    set(HAVE_SDL_TIMERS TRUE)
  endif()
  if(SDL_VIDEO)
    set(SDL_VIDEO_DRIVER_PS2 1)
    set(SDL_VIDEO_RENDER_PS2 1)
    file(GLOB PS2_VIDEO_SOURCES ${SDL3_SOURCE_DIR}/src/video/ps2/*.c ${SDL3_SOURCE_DIR}/src/render/ps2/*.c)
    list(APPEND SOURCE_FILES ${PS2_VIDEO_SOURCES})
    set(SDL_VIDEO_OPENGL 0)
    set(HAVE_SDL_VIDEO TRUE)
  endif()

  list(APPEND SDL_EXTRA_LIBS
    patches
    gskit
    dmakit
    ps2_drivers
  )

elseif(N3DS)
  file(GLOB N3DS_CORE_SOURCES ${SDL3_SOURCE_DIR}/src/core/n3ds/*.c)
  list(APPEND SOURCE_FILES ${N3DS_CORE_SOURCES})

  if(SDL_AUDIO)
    set(SDL_AUDIO_DRIVER_N3DS 1)
    file(GLOB N3DS_AUDIO_SOURCES ${SDL3_SOURCE_DIR}/src/audio/n3ds/*.c)
    list(APPEND SOURCE_FILES ${N3DS_AUDIO_SOURCES})
    set(HAVE_SDL_AUDIO TRUE)
  endif()

  if(SDL_FILESYSTEM)
    set(SDL_FILESYSTEM_N3DS 1)
    file(GLOB N3DS_FILESYSTEM_SOURCES ${SDL3_SOURCE_DIR}/src/filesystem/n3ds/*.c)
    list(APPEND SOURCE_FILES ${N3DS_FILESYSTEM_SOURCES})
    set(HAVE_SDL_FILESYSTEM TRUE)
  endif()

  if(SDL_JOYSTICK)
    set(SDL_JOYSTICK_N3DS 1)
    file(GLOB N3DS_JOYSTICK_SOURCES ${SDL3_SOURCE_DIR}/src/joystick/n3ds/*.c)
    list(APPEND SOURCE_FILES ${N3DS_JOYSTICK_SOURCES})
    set(HAVE_SDL_JOYSTICK TRUE)
  endif()

  if(SDL_POWER)
    set(SDL_POWER_N3DS 1)
    file(GLOB N3DS_POWER_SOURCES ${SDL3_SOURCE_DIR}/src/power/n3ds/*.c)
    list(APPEND SOURCE_FILES ${N3DS_POWER_SOURCES})
    set(HAVE_SDL_POWER TRUE)
  endif()

  if(SDL_THREADS)
    set(SDL_THREAD_N3DS 1)
    file(GLOB N3DS_THREAD_SOURCES ${SDL3_SOURCE_DIR}/src/thread/n3ds/*.c)
    list(APPEND SOURCE_FILES ${N3DS_THREAD_SOURCES} ${SDL3_SOURCE_DIR}/src/thread/generic/SDL_systls.c)
    set(HAVE_SDL_THREADS TRUE)
  endif()

  if(SDL_TIMERS)
    set(SDL_TIMER_N3DS 1)
    file(GLOB N3DS_TIMER_SOURCES ${SDL3_SOURCE_DIR}/src/timer/n3ds/*.c)
    list(APPEND SOURCE_FILES ${N3DS_TIMER_SOURCES})
    set(HAVE_SDL_TIMERS TRUE)
  endif()

  if(SDL_SENSOR)
    set(SDL_SENSOR_N3DS 1)
    file(GLOB N3DS_SENSOR_SOURCES ${SDL3_SOURCE_DIR}/src/sensor/n3ds/*.c)
    list(APPEND SOURCE_FILES ${N3DS_SENSOR_SOURCES})
    set(HAVE_SDL_SENSORS TRUE)
  endif()

  if(SDL_VIDEO)
    set(SDL_VIDEO_DRIVER_N3DS 1)
    file(GLOB N3DS_VIDEO_SOURCES ${SDL3_SOURCE_DIR}/src/video/n3ds/*.c)
    list(APPEND SOURCE_FILES ${N3DS_VIDEO_SOURCES})
    set(HAVE_SDL_VIDEO TRUE)
  endif()

  if(SDL_LOCALE)
    file(GLOB N3DS_LOCALE_SOURCES ${SDL3_SOURCE_DIR}/src/locale/n3ds/*.c)
    list(APPEND SOURCE_FILES ${N3DS_LOCALE_SOURCES})
    set(HAVE_SDL_LOCALE TRUE)
  endif()

  # Requires the n3ds file implementation
  if(SDL_FILE)
    file(GLOB N3DS_FILE_SOURCES ${SDL3_SOURCE_DIR}/src/file/n3ds/*.c)
    list(APPEND SOURCE_FILES ${N3DS_FILE_SOURCES})
    set(HAVE_SDL_FILE TRUE)
  else()
    message_error("SDL_FILE must be enabled to build on N3DS")
  endif()

  foreach(lib ${CMAKE_C_STANDARD_LIBRARIES})
    if(lib MATCHES "^-l")
      string(SUBSTRING "${lib}" 2 -1 lib)
    endif()
    list(APPEND SDL_EXTRA_LIBS ${lib})
  endforeach()
endif()

if(HAVE_VULKAN AND NOT SDL_LOADSO)
  message(STATUS "Vulkan support is available, but disabled because there's no loadso.")
  set(HAVE_VULKAN FALSE)
  set(SDL_VIDEO_VULKAN 0)
endif()

# Platform-independent options
CheckLibSampleRate()

if(SDL_VIDEO)
  if(SDL_OFFSCREEN AND SDL_VIDEO_OPENGL_EGL)
    set(SDL_VIDEO_DRIVER_OFFSCREEN 1)
    file(GLOB VIDEO_OFFSCREEN_SOURCES ${SDL3_SOURCE_DIR}/src/video/offscreen/*.c)
    list(APPEND SOURCE_FILES ${VIDEO_OFFSCREEN_SOURCES})
    set(HAVE_OFFSCREEN TRUE)
    set(HAVE_SDL_VIDEO TRUE)
  endif()
endif()

# Dummies
# configure.ac does it differently:
# if not have X
#   if enable_X {  SDL_X_DISABLED = 1 }
#   [add dummy sources]
# so it always adds a dummy, without checking, if it was actually requested.
# This leads to missing internal references on building, since the
# src/X/*.c does not get included.
if(NOT HAVE_SDL_AUDIO)
  set(SDL_AUDIO_DRIVER_DUMMY 1)
  file(GLOB AUDIO_SOURCES ${SDL3_SOURCE_DIR}/src/audio/dummy/*.c)
  list(APPEND SOURCE_FILES ${AUDIO_SOURCES})
endif()
if(NOT HAVE_SDL_VIDEO)
  set(SDL_VIDEO_DRIVER_DUMMY 1)
  file(GLOB VIDEO_SOURCES ${SDL3_SOURCE_DIR}/src/video/dummy/*.c)
  list(APPEND SOURCE_FILES ${VIDEO_SOURCES})
endif()
if(NOT HAVE_SDL_JOYSTICK)
  set(SDL_JOYSTICK_DUMMY 1)
  file(GLOB JOYSTICK_SOURCES ${SDL3_SOURCE_DIR}/src/joystick/dummy/*.c)
  list(APPEND SOURCE_FILES ${JOYSTICK_SOURCES})
endif()
if(NOT HAVE_SDL_HAPTIC)
  set(SDL_HAPTIC_DUMMY 1)
  file(GLOB HAPTIC_SOURCES ${SDL3_SOURCE_DIR}/src/haptic/dummy/*.c)
  list(APPEND SOURCE_FILES ${HAPTIC_SOURCES})
endif()
if(NOT HAVE_SDL_SENSORS)
  set(SDL_SENSOR_DUMMY 1)
  file(GLOB SENSORS_SOURCES ${SDL3_SOURCE_DIR}/src/sensor/dummy/*.c)
  list(APPEND SOURCE_FILES ${SENSORS_SOURCES})
endif()
if(NOT HAVE_SDL_LOADSO)
  set(SDL_LOADSO_DUMMY 1)
  file(GLOB LOADSO_SOURCES ${SDL3_SOURCE_DIR}/src/loadso/dummy/*.c)
  list(APPEND SOURCE_FILES ${LOADSO_SOURCES})
endif()
if(NOT HAVE_SDL_FILESYSTEM)
  set(SDL_FILESYSTEM_DUMMY 1)
  file(GLOB FILESYSTEM_SOURCES ${SDL3_SOURCE_DIR}/src/filesystem/dummy/*.c)
  list(APPEND SOURCE_FILES ${FILESYSTEM_SOURCES})
endif()
if(NOT HAVE_SDL_LOCALE)
  set(SDL_LOCALE_DUMMY 1)
  file(GLOB LOCALE_SOURCES ${SDL3_SOURCE_DIR}/src/locale/dummy/*.c)
  list(APPEND SOURCE_FILES ${LOCALE_SOURCES})
endif()
if(NOT HAVE_SDL_MISC)
  set(SDL_MISC_DUMMY 1)
  file(GLOB MISC_SOURCES ${SDL3_SOURCE_DIR}/src/misc/dummy/*.c)
  list(APPEND SOURCE_FILES ${MISC_SOURCES})
endif()

# We always need to have threads and timers around
if(NOT HAVE_SDL_THREADS)
  # The emscripten platform has been carefully vetted to work without threads
  if (EMSCRIPTEN)
    set(SDL_THREADS_DISABLED 1)
    file(GLOB THREADS_SOURCES ${SDL3_SOURCE_DIR}/src/thread/generic/*.c)
    list(APPEND SOURCE_FILES ${THREADS_SOURCES})
  else()
    message_error("Threads are needed by many SDL subsystems and may not be disabled")
  endif()
endif()
if(NOT HAVE_SDL_TIMERS)
  set(SDL_TIMER_DUMMY 1)
  file(GLOB TIMER_SOURCES ${SDL3_SOURCE_DIR}/src/timer/dummy/*.c)
  list(APPEND SOURCE_FILES ${TIMER_SOURCES})
endif()

if(SDL_WERROR)
  if(MSVC)
    check_c_compiler_flag(/WX HAVE_WX)
    if(HAVE_WX)
      target_compile_options(sdl-global-options INTERFACE "/WX")
    endif()
  elseif(USE_GCC OR USE_CLANG)
    check_c_compiler_flag(-Werror HAVE_WERROR)
    if(HAVE_WERROR)
      target_compile_options(sdl-global-options INTERFACE "-Werror")
    endif()
  endif()
endif()

# config variables may contain generator expression, so we need to generate SDL_build_config.h in 2 steps:
# 1. replace all `#cmakedefine`'s and `@abc@`
configure_file("${SDL3_SOURCE_DIR}/include/build_config/SDL_build_config.h.cmake"
  "${SDL3_BINARY_DIR}/SDL_build_config.h.intermediate")
# 2. Create the "include-config-${CMAKE_BUILD_TYPE}" folder (fails on older CMake versions when it does not exist)
string(TOLOWER "${CMAKE_BUILD_TYPE}" lower_build_type)
execute_process(COMMAND "${CMAKE_COMMAND}" -E make_directory "${CMAKE_CURRENT_BINARY_DIR}/include-config-${lower_build_type}/build_config")
# 3. generate SDL_build_config.h in an build_type-dependent folder (which should be first in the include search path)
file(GENERATE
    OUTPUT "${SDL3_BINARY_DIR}/include-config-$<LOWER_CASE:$<CONFIG>>/build_config/SDL_build_config.h"
    INPUT "${SDL3_BINARY_DIR}/SDL_build_config.h.intermediate")

# Prepare the flags and remove duplicates
if(SDL_EXTRA_LDFLAGS)
  list(REMOVE_DUPLICATES SDL_EXTRA_LDFLAGS)
endif()
if(SDL_EXTRA_LIBS)
  list(REMOVE_DUPLICATES SDL_EXTRA_LIBS)
endif()
if(EXTRA_CFLAGS)
  list(REMOVE_DUPLICATES EXTRA_CFLAGS)
endif()
listtostr(EXTRA_CFLAGS _EXTRA_CFLAGS)
set(EXTRA_CFLAGS ${_EXTRA_CFLAGS})

file(GLOB SDL3_INCLUDE_FILES ${SDL3_SOURCE_DIR}/include/SDL3/*.h)
file(GLOB SDL3_TEST_INCLUDE_FILES ${SDL3_SOURCE_DIR}/include/SDL3/SDL_test*.h)
foreach(_hdr IN LISTS SDL3_INCLUDE_FILES)
  if(_hdr MATCHES ".*SDL_revision\\.h" OR _hdr MATCHES ".*SDL_test.*\\.h")
    list(REMOVE_ITEM SDL3_INCLUDE_FILES "${_hdr}")
  endif()
endforeach()

set(SDL_REVISION_SUFFIX "" CACHE STRING "Suffix for the SDL revision")
if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/VERSION.txt")
  # If VERSION exists, it contains the SDL version
  file(READ "${CMAKE_CURRENT_SOURCE_DIR}/VERSION.txt" SDL_REVISION_CENTER)
  string(STRIP "${SDL_REVISION_CENTER}" SDL_REVISION_CENTER)
else()
  # If VERSION does not exist, use git to calculate a version
  git_describe(SDL_REVISION_CENTER)
  if(NOT SDL_REVISION_CENTER)
    set(SDL_REVISION_CENTER "${SDL_VERSION}-no-vcs")
  endif()
endif()
set(SDL_REVISION "SDL-${SDL_REVISION_CENTER}${SDL_REVISION_SUFFIX}")

execute_process(COMMAND "${CMAKE_COMMAND}" -E make_directory "${SDL3_BINARY_DIR}/include/SDL3")
configure_file("${SDL3_SOURCE_DIR}/include/build_config/SDL_revision.h.cmake"
  "${SDL3_BINARY_DIR}/include/SDL3/SDL_revision.h")

if(CMAKE_STATIC_LIBRARY_PREFIX STREQUAL "" AND CMAKE_STATIC_LIBRARY_SUFFIX STREQUAL ".lib")
  # Avoid conflict between the dll import library and the static library
  set(sdl_static_libname "SDL3-static")
else()
  set(sdl_static_libname "SDL3")
endif()

macro(check_add_debug_flag FLAG SUFFIX)
    check_c_compiler_flag(${FLAG} HAS_C_FLAG_${SUFFIX})
    if (HAS_C_FLAG_${SUFFIX})
        set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${FLAG}")
    endif()

    check_cxx_compiler_flag(${FLAG} HAS_CXX_${SUFFIX})
    if (HAS_CXX_${SUFFIX})
        set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${FLAG}")
    endif()
endmacro()

macro(asan_check_add_debug_flag ASAN_FLAG)
    check_add_debug_flag("-fsanitize=${ASAN_FLAG}" "${ASAN_FLAG}")
    if(HAS_C_${ASAN_FLAG} OR HAS_CXX_${ASAN_FLAG})
      set(HAVE_ASAN ON)
    endif()
endmacro()

macro(asan_check_add_debug_flag2 ASAN_FLAG)
    # for some sanitize flags we have to manipulate the CMAKE_REQUIRED_LIBRARIES:
    # http://cmake.3232098.n2.nabble.com/CHECK-CXX-COMPILER-FLAG-doesn-t-give-correct-result-for-fsanitize-address-tp7600216p7600217.html

    set(FLAG "-fsanitize=${ASAN_FLAG}")

    cmake_push_check_state()
    list(APPEND CMAKE_REQUIRED_LIBRARIES ${FLAG} asan)
    check_c_compiler_flag (${FLAG} HAS_C_FLAG_${ASAN_FLAG})
    check_cxx_compiler_flag (${FLAG} HAS_CXX_FLAG_${ASAN_FLAG})
    cmake_pop_check_state()

    if (HAS_C_FLAG_${ASAN_FLAG})
        set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${FLAG}")
    endif()

    if (HAS_CXX_${ASAN_FLAG})
        set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${FLAG}")
    endif()

    if(HAS_C_${ASAN_FLAG} OR HAS_CXX_${ASAN_FLAG})
      set(HAVE_ASAN ON)
    endif()
endmacro()

# enable AddressSanitizer if supported
if(SDL_ASAN)
  asan_check_add_debug_flag2("address")
  asan_check_add_debug_flag("bool")
  asan_check_add_debug_flag("bounds")
  asan_check_add_debug_flag("enum")
  asan_check_add_debug_flag("float-cast-overflow")
  asan_check_add_debug_flag("float-divide-by-zero")
  asan_check_add_debug_flag("nonnull-attribute")
  asan_check_add_debug_flag("returns-nonnull-attribute")
  asan_check_add_debug_flag("signed-integer-overflow")
  asan_check_add_debug_flag("undefined")
  asan_check_add_debug_flag("vla-bound")
  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 ""))
    asan_check_add_debug_flag("object-size")
  endif()
endif()

if(SDL_CCACHE AND NOT CMAKE_VERSION VERSION_LESS 3.4)
  find_program(CCACHE_BINARY ccache)
  if(CCACHE_BINARY)
    set(CMAKE_C_COMPILER_LAUNCHER ${CCACHE_BINARY})
    set(CMAKE_CXX_COMPILER_LAUNCHER ${CCACHE_BINARY})
    set(CMAKE_OBJC_COMPILER_LAUNCHER ${CCACHE_BINARY})
    set(HAVE_CCACHE ON)
  else()
    set(HAVE_CCACHE OFF)
  endif()
else()
  set(HAVE_CCACHE OFF)
endif()

if(SDL_TESTS)
  set(HAVE_TESTS ON)
endif()

get_property(INFO_CFLAGS TARGET sdl-build-options PROPERTY INTERFACE_COMPILE_OPTIONS)
list(REMOVE_DUPLICATES INFO_CFLAGS)
listtostr(INFO_CFLAGS INFO_CFLAGS)

get_property(INFO_INCDIRS TARGET sdl-build-options PROPERTY INTERFACE_INCLUDE_DIRECTORIES)
list(REMOVE_DUPLICATES INFO_INCDIRS)
listtostr(INFO_INCDIRS INFO_INCDIRS "-I")

get_property(INFO_DEFS TARGET sdl-build-options PROPERTY INTERFACE_COMPILE_DEFINITIONS)
list(REMOVE_DUPLICATES INFO_DEFS)
listtostr(INFO_DEFS INFO_DEFS "-D")

get_property(INFO_CHECKS TARGET sdl-global-options PROPERTY INTERFACE_COMPILE_OPTIONS)
list(REMOVE_DUPLICATES INFO_CHECKS)
listtostr(INFO_CHECKS INFO_CHECKS)

listtostr(SDL_EXTRA_LDFLAGS INFO_EXTRA_LDFLAGS)

get_property(INFO_SHARED_LDFLAGS TARGET sdl-shared-build-options PROPERTY INTERFACE_LINK_LIBRARIES)
list(REMOVE_DUPLICATES INFO_SHARED_LDFLAGS)
listtostr(INFO_SHARED_LDFLAGS INFO_SHARED_LDFLAGS)

listtostr(SDL_EXTRA_LIBS INFO_EXTRA_LIBS)
listtostr(SDL_CMAKE_DEPENDS INFO_CMAKE_DEPENDS)

##### Info output #####
message(STATUS "")
message(STATUS "SDL3 was configured with the following options:")
message(STATUS "")
message(STATUS "Platform: ${CMAKE_SYSTEM}")
message(STATUS "64-bit:   ${ARCH_64}")
message(STATUS "Compiler: ${CMAKE_C_COMPILER}")
message(STATUS "Revision: ${SDL_REVISION}")
message(STATUS "")
message(STATUS "Subsystems:")

find_stringlength_longest_item(SDL_SUBSYSTEMS maxLength)
foreach(_SUB IN LISTS SDL_SUBSYSTEMS)
  string(LENGTH ${_SUB} _SUBLEN)
  math(EXPR _PADLEN "(${maxLength} + 1) - ${_SUBLEN}")
  string(RANDOM LENGTH ${_PADLEN} ALPHABET " " _PADDING)
  string(TOUPPER ${_SUB} _OPT)
  message_bool_option(${_SUB} SDL_${_OPT} ${_PADDING})
endforeach()
message(STATUS "")
message(STATUS "Options:")
list(SORT ALLOPTIONS)
message_dictlist(ALLOPTIONS)
message(STATUS "")
message(STATUS " CMAKE_C_FLAGS: ${CMAKE_C_FLAGS}")
if("${CMAKE_BUILD_TYPE}" STREQUAL "Debug")
  message(STATUS " CMAKE_C_FLAGS_DEBUG:   ${CMAKE_C_FLAGS_DEBUG}")
  message(STATUS " CMAKE_CXX_FLAGS_DEBUG: ${CMAKE_CXX_FLAGS_DEBUG}")
  message(STATUS "")
endif()
message(STATUS " EXTRA DEFS:    ${INFO_DEFS}")
message(STATUS " EXTRA CFLAGS:  ${INFO_CFLAGS} ${INFO_CHECKS}")
message(STATUS " EXTRA INCDIRS: ${INFO_INCDIRS}")
message(STATUS " EXTRA LDFLAGS: ${INFO_SHARED_LDFLAGS} ${INFO_EXTRA_LDFLAGS}")
message(STATUS " EXTRA LIBS:    ${INFO_EXTRA_LIBS} ${INFO_CMAKE_DEPENDS}")
message(STATUS "")
message(STATUS " Build Shared Library: ${SDL_SHARED}")
message(STATUS " Build Static Library: ${SDL_STATIC}")
if(SDL_STATIC)
    message(STATUS " Build Static Library with Position Independent Code: ${SDL_STATIC_PIC}")
endif()
message(STATUS "")
if(UNIX)
  message(STATUS "If something was not detected, although the libraries")
  message(STATUS "were installed, then make sure you have set the")
  message(STATUS "CFLAGS and LDFLAGS environment variables correctly.")
  message(STATUS "")
endif()

if(WARN_ABOUT_ARM_SIMD_ASM_MIT)
  message(STATUS "")
  message(STATUS "SDL is being built with ARM SIMD optimizations, which")
  message(STATUS "uses code licensed under the MIT license. If this is a")
  message(STATUS "problem, please disable that code by rerunning CMake with:")
  message(STATUS "")
  message(STATUS "    -DSDL_ARMSIMD=OFF")
endif()

if(WARN_ABOUT_ARM_NEON_ASM_MIT)
  message(STATUS "")
  message(STATUS "SDL is being built with ARM NEON optimizations, which")
  message(STATUS "uses code licensed under the MIT license. If this is a")
  message(STATUS "problem, please disable that code by rerunning CMake with:")
  message(STATUS "")
  message(STATUS "    -DSDL_ARMNEON=OFF")
endif()

if(ANDROID)
  target_include_directories(sdl-build-options INTERFACE "${ANDROID_NDK}/sources/android/cpufeatures")
endif()

if(APPLE)
  target_compile_options(sdl-build-options INTERFACE "-fobjc-arc")
endif()

if(PS2)
  target_compile_options(sdl-build-options INTERFACE "-Wno-error=declaration-after-statement")
endif()

if(APPLE)
  foreach(SOURCE_FILE ${SOURCE_FILES})
    get_filename_component(FILE_EXTENSION ${SOURCE_FILE} EXT)
    if(FILE_EXTENSION STREQUAL "m")
      set_property(SOURCE ${SOURCE_FILE} APPEND_STRING PROPERTY COMPILE_FLAGS " -x objective-c")
    endif()
  endforeach()
endif()

# Disable precompiled headers on SDL_dynapi.c to avoid applying dynapi overrides
set_source_files_properties(src/dynapi/SDL_dynapi.c PROPERTIES SKIP_PRECOMPILE_HEADERS 1)

if(SDL_SHARED)
  add_library(SDL3 SHARED ${SOURCE_FILES} ${VERSION_SOURCES})
  # alias target for in-tree builds
  add_library(SDL3::SDL3 ALIAS SDL3)
  set_target_properties(SDL3 PROPERTIES
    C_VISIBILITY_PRESET "hidden"
    CXX_VISIBILITY_PRESET "hidden"
    OBJC_VISIBILITY_PRESET "hidden"
    POSITION_INDEPENDENT_CODE TRUE
    LINK_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/src/dynapi/SDL_dynapi.sym"
    INTERFACE_LINK_DEPENDS "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src/dynapi/SDL_dynapi.sym>"
  )
  if(NOT SDL_LIBC)
    if(MSVC AND SDL_CPU_X86)
      # FIXME: should be added for all architectures (missing symbols for ARM)
      target_link_libraries(SDL3 PRIVATE "-nodefaultlib:MSVCRT")
    endif()
  endif()
  if(APPLE)
    set_target_properties(SDL3 PROPERTIES
      MACOSX_RPATH 1
    )
    if(NOT CMAKE_VERSION VERSION_LESS "3.6")
      set_target_properties(SDL3 PROPERTIES
        SOVERSION "${SDL_DYLIB_COMPAT_VERSION}" # SOVERSION corresponds to compatibility version
        VERSION "${SDL_DYLIB_CURRENT_VERSION}"  # VERSION corresponds to the current version
      )
    endif()
  elseif(UNIX AND NOT ANDROID)
    set_target_properties(SDL3 PROPERTIES
      VERSION "${SDL_SO_VERSION}"
      SOVERSION "${SDL_SO_VERSION_MAJOR}")
  else()
    if(WINDOWS OR CYGWIN)
      set_target_properties(SDL3 PROPERTIES
        DEFINE_SYMBOL DLL_EXPORT)
    endif()
  endif()
  # Note: The clang toolset for Visual Studio does not support /NODEFAULTLIB.
  if(MSVC AND NOT SDL_LIBC AND NOT MSVC_CLANG AND NOT CMAKE_GENERATOR_PLATFORM STREQUAL "ARM")
    # Don't try to link with the default set of libraries.
    if(NOT WINDOWS_STORE)
      set_target_properties(SDL3 PROPERTIES LINK_FLAGS_RELEASE "/NODEFAULTLIB")
      set_target_properties(SDL3 PROPERTIES LINK_FLAGS_DEBUG "/NODEFAULTLIB")
    endif()
    set_target_properties(SDL3 PROPERTIES STATIC_LIBRARY_FLAGS "/NODEFAULTLIB")
  endif()
  # FIXME: if CMAKE_VERSION >= 3.13, use target_link_options for SDL_EXTRA_LDFLAGS
  target_link_libraries(SDL3 PRIVATE ${SDL_EXTRA_LIBS} ${SDL_EXTRA_LDFLAGS} ${SDL_CMAKE_DEPENDS})
  target_include_directories(SDL3
    PRIVATE
      "$<BUILD_INTERFACE:${SDL3_BINARY_DIR}/include-config-$<LOWER_CASE:$<CONFIG>>>"
      "$<BUILD_INTERFACE:${SDL3_SOURCE_DIR}/src>"
    PUBLIC
      "$<BUILD_INTERFACE:${SDL3_BINARY_DIR}/include>"
      "$<BUILD_INTERFACE:${SDL3_SOURCE_DIR}/include>"
      "$<BUILD_INTERFACE:${SDL3_SOURCE_DIR}/include/SDL3>"
      "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>"
      "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/SDL3>"
  )
  # This picks up all the compiler options and such we've accumulated up to here.
  target_link_libraries(SDL3 PRIVATE $<BUILD_INTERFACE:sdl-build-options>)
  target_link_libraries(SDL3 PRIVATE $<BUILD_INTERFACE:sdl-shared-build-options>)
  target_link_libraries(SDL3 PRIVATE $<BUILD_INTERFACE:sdl-global-options>)
  if(MINGW OR CYGWIN)
    if(NOT CMAKE_VERSION VERSION_LESS "3.13")
      target_link_options(SDL3 PRIVATE -static-libgcc)
    endif()
  endif()
  # Use `Compatible Interface Properties` to allow consumers to enforce a shared/static library
  set_property(TARGET SDL3 PROPERTY INTERFACE_SDL3_SHARED TRUE)
  set_property(TARGET SDL3 APPEND PROPERTY COMPATIBLE_INTERFACE_BOOL SDL3_SHARED)
  if(NOT CMAKE_VERSION VERSION_LESS "3.16")
    target_precompile_headers(SDL3 PRIVATE "${PROJECT_SOURCE_DIR}/src/SDL_internal.h")
  endif()
endif()

if(SDL_STATIC)
  add_library(SDL3-static STATIC ${SOURCE_FILES})
  # alias target for in-tree builds
  add_library(SDL3::SDL3-static ALIAS SDL3-static)
  set_target_properties(SDL3-static PROPERTIES
    OUTPUT_NAME "${sdl_static_libname}"
    POSITION_INDEPENDENT_CODE "${SDL_STATIC_PIC}"
  )
  target_compile_definitions(SDL3-static PRIVATE SDL_STATIC_LIB)
  target_link_libraries(SDL3-static PRIVATE ${SDL_EXTRA_LIBS} ${SDL_EXTRA_LDFLAGS} ${SDL_CMAKE_DEPENDS})
  target_include_directories(SDL3-static
    PRIVATE
      "$<BUILD_INTERFACE:${SDL3_BINARY_DIR}/include-config-$<LOWER_CASE:$<CONFIG>>>"
      "$<BUILD_INTERFACE:${SDL3_SOURCE_DIR}/src>"
    PUBLIC
      "$<BUILD_INTERFACE:${SDL3_BINARY_DIR}/include>"
      "$<BUILD_INTERFACE:${SDL3_SOURCE_DIR}/include>"
      "$<BUILD_INTERFACE:${SDL3_SOURCE_DIR}/include/SDL3>"
      "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>"
      "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/SDL3>"
  )
  # This picks up all the compiler options and such we've accumulated up to here.
  target_link_libraries(SDL3-static PRIVATE $<BUILD_INTERFACE:sdl-build-options>)
  target_link_libraries(SDL3-static PRIVATE $<BUILD_INTERFACE:sdl-global-options>)
  # Use `Compatible Interface Properties` to allow consumers to enforce a shared/static library
  set_property(TARGET SDL3-static PROPERTY INTERFACE_SDL3_SHARED FALSE)
  set_property(TARGET SDL3-static APPEND PROPERTY COMPATIBLE_INTERFACE_BOOL SDL3_SHARED)
  if(NOT CMAKE_VERSION VERSION_LESS "3.16")
    target_precompile_headers(SDL3-static PRIVATE "${PROJECT_SOURCE_DIR}/src/SDL_internal.h")
  endif()
endif()

target_compile_definitions(sdl-build-options INTERFACE
  "SDL_BUILD_MAJOR_VERSION=${SDL_MAJOR_VERSION}"
  "SDL_BUILD_MINOR_VERSION=${SDL_MINOR_VERSION}"
  "SDL_BUILD_MICRO_VERSION=${SDL_MICRO_VERSION}"
)

##### Tests #####

if(SDL_TEST)
  file(GLOB TEST_SOURCES ${SDL3_SOURCE_DIR}/src/test/*.c)
  add_library(SDL3_test STATIC ${TEST_SOURCES})
  add_library(SDL3::SDL3_test ALIAS SDL3_test)
  target_link_libraries(SDL3_test PRIVATE $<BUILD_INTERFACE:sdl-global-options>)
  set_target_properties(SDL3_test PROPERTIES
      EXPORT_NAME SDL3_test)
  target_include_directories(SDL3_test
    PRIVATE
      "$<BUILD_INTERFACE:${SDL3_BINARY_DIR}/include-config-$<LOWER_CASE:$<CONFIG>>>"
    PUBLIC
      "$<BUILD_INTERFACE:${SDL3_BINARY_DIR}/include>"
      "$<BUILD_INTERFACE:${SDL3_SOURCE_DIR}/include>"
      "$<BUILD_INTERFACE:${SDL3_SOURCE_DIR}/include/SDL3>"
      "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>"
      "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/SDL3>"
  )
  target_link_libraries(SDL3_test PRIVATE ${EXTRA_TEST_LIBS})
endif()

if(NOT SDL3_DISABLE_INSTALL)

  ##### Configure installation folders #####

  if(WINDOWS AND NOT MINGW)
    set(SDL_INSTALL_CMAKEDIR_ROOT_DEFAULT "cmake")
  else()
    set(SDL_INSTALL_CMAKEDIR_ROOT_DEFAULT "${CMAKE_INSTALL_LIBDIR}/cmake")
  endif()
  set(SDL_INSTALL_CMAKEDIR_ROOT "${SDL_INSTALL_CMAKEDIR_ROOT_DEFAULT}" CACHE STRING "Root folder where to install SDL3Config.cmake related files (SDL3 subfolder for MSVC projects)")

  if(FREEBSD)
    # FreeBSD uses ${PREFIX}/libdata/pkgconfig
    set(SDL_PKGCONFIG_INSTALLDIR "libdata/pkgconfig")
  else()
    set(SDL_PKGCONFIG_INSTALLDIR "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
  endif()

  if(WINDOWS AND NOT MINGW)
    set(SDL_INSTALL_CMAKEDIR "${SDL_INSTALL_CMAKEDIR_ROOT}")
    set(LICENSES_PREFIX "licenses/SDL3")
  else()
    set(SDL_INSTALL_CMAKEDIR "${SDL_INSTALL_CMAKEDIR_ROOT}/SDL3")
    set(LICENSES_PREFIX "${CMAKE_INSTALL_DATAROOTDIR}/licenses/${PROJECT_NAME}")
  endif()

  ##### Installation targets #####

  if(SDL_SHARED)
    install(TARGETS SDL3 EXPORT SDL3Targets
      LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
      ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
      RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
  endif()

  if(SDL_STATIC)
    install(TARGETS SDL3-static EXPORT SDL3staticTargets
      LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
      ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
      RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
  endif()

  if(SDL_TEST)
    install(TARGETS SDL3_test EXPORT SDL3testTargets
      LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
      ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
      RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
  endif()

  ##### sdl3.pc #####

  # Clean up variables for sdl3.pc
  if(SDL_SHARED)
    set(PKGCONFIG_LIBS_PRIV "\nLibs.private:")
  else()
    set(PKGCONFIG_LIBS_PRIV "")
  endif()

  # Clean up the different lists
  listtostr(SDL_EXTRA_LIBS EXTRA_LIBS_L "-l")
  set(SDL_PC_STATIC_LIBS ${SDL_EXTRA_LDFLAGS} ${EXTRA_LIBS_L})
  list(REMOVE_DUPLICATES SDL_PC_STATIC_LIBS)
  listtostr(SDL_PC_STATIC_LIBS SDL_PC_STATIC_LIBS)
  listtostr(SDL_PC_LIBS SDL_PC_LIBS)
  listtostr(SDL_PC_CFLAGS SDL_PC_CFLAGS)
  listtostr(SDL_PC_PRIVATE_REQUIRES SDL_PC_PRIVATE_REQUIRES)
  string(REGEX REPLACE "-lSDL3( |$)" "-l${sdl_static_libname} " SDL_PC_STATIC_LIBS "${SDL_PC_STATIC_LIBS}")
  if(NOT SDL_SHARED)
    string(REGEX REPLACE "-lSDL3( |$)" "-l${sdl_static_libname} " SDL_PC_LIBS "${SDL_PC_LIBS}")
  endif()

  if(SDL_STATIC AND SDL_SHARED AND NOT sdl_static_libname STREQUAL "SDL3")
    message(STATUS "\"pkg-config --static --libs sdl3\" will return invalid information")
  endif()

  file(RELATIVE_PATH SDL_PATH_PREFIX_RELATIVE_TO_PKGCONFIG "${CMAKE_INSTALL_PREFIX}/${SDL_PKGCONFIG_INSTALLDIR}" "${CMAKE_INSTALL_PREFIX}")
  string(REGEX REPLACE "[/]+$" "" SDL_PATH_PREFIX_RELATIVE_TO_PKGCONFIG "${SDL_PATH_PREFIX_RELATIVE_TO_PKGCONFIG}")
  set(SDL_PKGCONFIG_PREFIX "\${pcfiledir}/${SDL_PATH_PREFIX_RELATIVE_TO_PKGCONFIG}")

  # message(STATUS "SDL_PC_CFLAGS:   ${SDL_PC_CFLAGS}")
  # message(STATUS "SDL_PC_LIBS:     ${SDL_PC_LIBS}")
  # message(STATUS "SDL_PC_STATIC_LIBS: ${SDL_PC_STATIC_LIBS}")

  configure_file(cmake/sdl3.pc.in sdl3.pc @ONLY)
  install(FILES ${SDL3_BINARY_DIR}/sdl3.pc DESTINATION "${SDL_PKGCONFIG_INSTALLDIR}")

  ##### CMake Export files #####

  include(CMakePackageConfigHelpers)
  configure_package_config_file(cmake/SDL3Config.cmake.in SDL3Config.cmake
    PATH_VARS CMAKE_INSTALL_PREFIX CMAKE_INSTALL_FULL_BINDIR CMAKE_INSTALL_FULL_INCLUDEDIR CMAKE_INSTALL_FULL_LIBDIR
    INSTALL_DESTINATION "${SDL_INSTALL_CMAKEDIR}"
  )
  write_basic_package_version_file("${CMAKE_CURRENT_BINARY_DIR}/SDL3ConfigVersion.cmake"
    VERSION ${SDL_VERSION}
    COMPATIBILITY AnyNewerVersion
  )

  if(SDL_SHARED)
    install(EXPORT SDL3Targets
      FILE SDL3Targets.cmake
      NAMESPACE SDL3::
      DESTINATION "${SDL_INSTALL_CMAKEDIR}"
    )
    if(ANDROID AND NOT CMAKE_VERSION VERSION_LESS 3.7)
      install(EXPORT_ANDROID_MK SDL3Targets
        DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/ndk-modules/SDL3")
    endif()
  endif()

  if(SDL_STATIC)
    install(EXPORT SDL3staticTargets
      FILE SDL3staticTargets.cmake
      NAMESPACE SDL3::
      DESTINATION "${SDL_INSTALL_CMAKEDIR}"
    )
    if(ANDROID AND NOT CMAKE_VERSION VERSION_LESS 3.7)
      install(EXPORT_ANDROID_MK SDL3staticTargets
        DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/ndk-modules/SDL3-static")
    endif()
  endif()

  if(SDL_TEST)
    install(EXPORT SDL3testTargets
      FILE SDL3testTargets.cmake
      NAMESPACE SDL3::
      DESTINATION "${SDL_INSTALL_CMAKEDIR}"
    )
    if(ANDROID AND NOT CMAKE_VERSION VERSION_LESS 3.7)
      install(EXPORT_ANDROID_MK SDL3testTargets
        DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/ndk-modules/SDL3_test")
    endif()
  endif()

  install(
    FILES
      ${CMAKE_CURRENT_BINARY_DIR}/SDL3Config.cmake
      ${CMAKE_CURRENT_BINARY_DIR}/SDL3ConfigVersion.cmake
      ${SDL3_SOURCE_DIR}/cmake/sdlfind.cmake
    DESTINATION "${SDL_INSTALL_CMAKEDIR}"
    COMPONENT Devel
  )

  install(
    FILES
      ${SDL3_INCLUDE_FILES}
      "${SDL3_BINARY_DIR}/include/SDL3/SDL_revision.h"
    DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/SDL3
  )
  if(SDL_TEST)
    install(
      FILES ${SDL3_TEST_INCLUDE_FILES}
      DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/SDL3
    )
  endif()

  install(FILES "LICENSE.txt" DESTINATION "${LICENSES_PREFIX}")
endif()

##### Uninstall target #####

if(NOT SDL3_DISABLE_UNINSTALL)
  if(NOT TARGET uninstall)
    configure_file(cmake/cmake_uninstall.cmake.in cmake_uninstall.cmake IMMEDIATE @ONLY)

    add_custom_target(uninstall
        COMMAND ${CMAKE_COMMAND} -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")
  endif()
endif()

##### Tests subproject (must appear after the install/uninstall targets) #####

if(SDL_TESTS)
  set(HAVE_TESTS ON)
  enable_testing()
  add_subdirectory(test)
endif()

##### Fix Objective C builds #####
set(CMAKE_OBJC_FLAGS "${CMAKE_OBJC_FLAGS} ${CMAKE_C_FLAGS}")

# Make sure SDL3::SDL3 always exists
if(TARGET SDL3::SDL3-static AND NOT TARGET SDL3::SDL3)
  add_library(SDL3::SDL3 ALIAS SDL3-static)
endif()