CMakeLists.txt
author Sylvain Becker
Tue, 27 Aug 2019 11:38:43 +0200
changeset 13039 bfed06214c2a
parent 13006 4a410f099040
child 13079 82de37dd809d
permissions -rw-r--r--
Fixed bug 3918 - HIDAPI, CMake support for android project
     1 if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR})
     2   message(FATAL_ERROR "Prevented in-tree built. Please create a build directory outside of the SDL source code and call cmake from there")
     3 endif()
     4 
     5 cmake_minimum_required(VERSION 2.8.11)
     6 project(SDL2 C CXX)
     7 
     8 # !!! FIXME: this should probably do "MACOSX_RPATH ON" as a target property
     9 # !!! FIXME:  for the SDL2 shared library (so you get an
    10 # !!! FIXME:  install_name ("soname") of "@rpath/libSDL-whatever.dylib"
    11 # !!! FIXME:  instead of "/usr/local/lib/libSDL-whatever.dylib"), but I'm
    12 # !!! FIXME:  punting for now and leaving the existing behavior. Until this
    13 # !!! FIXME:  properly resolved, this line silences a warning in CMake 3.0+.
    14 # !!! FIXME:  remove it and this comment entirely once the problem is
    15 # !!! FIXME:  properly resolved.
    16 #cmake_policy(SET CMP0042 OLD)
    17 
    18 include(CheckFunctionExists)
    19 include(CheckLibraryExists)
    20 include(CheckIncludeFiles)
    21 include(CheckIncludeFile)
    22 include(CheckSymbolExists)
    23 include(CheckCSourceCompiles)
    24 include(CheckCSourceRuns)
    25 include(CheckCCompilerFlag)
    26 include(CheckTypeSize)
    27 include(CheckStructHasMember)
    28 include(CMakeDependentOption)
    29 include(FindPkgConfig)
    30 include(GNUInstallDirs)
    31 set(CMAKE_MODULE_PATH "${SDL2_SOURCE_DIR}/cmake")
    32 include(${SDL2_SOURCE_DIR}/cmake/macros.cmake)
    33 include(${SDL2_SOURCE_DIR}/cmake/sdlchecks.cmake)
    34 
    35 # General settings
    36 # Edit include/SDL_version.h and change the version, then:
    37 #   SDL_MICRO_VERSION += 1;
    38 #   SDL_INTERFACE_AGE += 1;
    39 #   SDL_BINARY_AGE += 1;
    40 # if any functions have been added, set SDL_INTERFACE_AGE to 0.
    41 # if backwards compatibility has been broken,
    42 # set SDL_BINARY_AGE and SDL_INTERFACE_AGE to 0.
    43 set(SDL_MAJOR_VERSION 2)
    44 set(SDL_MINOR_VERSION 0)
    45 set(SDL_MICRO_VERSION 10)
    46 set(SDL_INTERFACE_AGE 0)
    47 set(SDL_BINARY_AGE 10)
    48 set(SDL_VERSION "${SDL_MAJOR_VERSION}.${SDL_MINOR_VERSION}.${SDL_MICRO_VERSION}")
    49 # the following should match the versions in Xcode project file:
    50 set(DYLIB_CURRENT_VERSION 10.0.0)
    51 set(DYLIB_COMPATIBILITY_VERSION 1.0.0)
    52 
    53 # Set defaults preventing destination file conflicts
    54 set(SDL_CMAKE_DEBUG_POSTFIX "d"
    55     CACHE STRING "Name suffix for debug builds")
    56 
    57 mark_as_advanced(CMAKE_IMPORT_LIBRARY_SUFFIX SDL_CMAKE_DEBUG_POSTFIX)
    58 
    59 # Calculate a libtool-like version number
    60 math(EXPR LT_CURRENT "${SDL_MICRO_VERSION} - ${SDL_INTERFACE_AGE}")
    61 math(EXPR LT_AGE "${SDL_BINARY_AGE} - ${SDL_INTERFACE_AGE}")
    62 math(EXPR LT_MAJOR "${LT_CURRENT}- ${LT_AGE}")
    63 set(LT_REVISION "${SDL_INTERFACE_AGE}")
    64 set(LT_RELEASE "${SDL_MAJOR_VERSION}.${SDL_MINOR_VERSION}")
    65 set(LT_VERSION "${LT_MAJOR}.${LT_AGE}.${LT_REVISION}")
    66 
    67 #message(STATUS "${LT_VERSION} :: ${LT_AGE} :: ${LT_REVISION} :: ${LT_CURRENT} :: ${LT_RELEASE}")
    68 
    69 # General settings & flags
    70 set(LIBRARY_OUTPUT_DIRECTORY "build")
    71 # Check for 64 or 32 bit
    72 set(SIZEOF_VOIDP ${CMAKE_SIZEOF_VOID_P})
    73 if(CMAKE_SIZEOF_VOID_P EQUAL 8)
    74   set(ARCH_64 TRUE)
    75   set(PROCESSOR_ARCH "x64")
    76 else()
    77   set(ARCH_64 FALSE)
    78   set(PROCESSOR_ARCH "x86")
    79 endif()
    80 set(LIBNAME SDL2)
    81 if(NOT LIBTYPE)
    82   set(LIBTYPE SHARED)
    83 endif()
    84 
    85 # Get the platform
    86 if(WIN32)
    87   if(NOT WINDOWS)
    88     set(WINDOWS TRUE)
    89   endif()
    90 elseif(UNIX AND NOT APPLE)
    91   if(CMAKE_SYSTEM_NAME MATCHES ".*Linux")
    92     set(LINUX TRUE)
    93   elseif(CMAKE_SYSTEM_NAME MATCHES "kFreeBSD.*")
    94     set(FREEBSD TRUE)
    95   elseif(CMAKE_SYSTEM_NAME MATCHES "kNetBSD.*|NetBSD.*")
    96     set(NETBSD TRUE)
    97   elseif(CMAKE_SYSTEM_NAME MATCHES "kOpenBSD.*|OpenBSD.*")
    98     set(OPENBSD TRUE)
    99   elseif(CMAKE_SYSTEM_NAME MATCHES ".*GNU.*")
   100     set(GNU TRUE)
   101   elseif(CMAKE_SYSTEM_NAME MATCHES ".*BSDI.*")
   102     set(BSDI TRUE)
   103   elseif(CMAKE_SYSTEM_NAME MATCHES "DragonFly.*|FreeBSD")
   104     set(FREEBSD TRUE)
   105   elseif(CMAKE_SYSTEM_NAME MATCHES "SYSV5.*")
   106     set(SYSV5 TRUE)
   107   elseif(CMAKE_SYSTEM_NAME MATCHES "Solaris.*")
   108     set(SOLARIS TRUE)
   109   elseif(CMAKE_SYSTEM_NAME MATCHES "HP-UX.*")
   110     set(HPUX TRUE)
   111   elseif(CMAKE_SYSTEM_NAME MATCHES "AIX.*")
   112     set(AIX TRUE)
   113   elseif(CMAKE_SYSTEM_NAME MATCHES "Minix.*")
   114     set(MINIX TRUE)
   115   endif()
   116 elseif(APPLE)
   117   if(CMAKE_SYSTEM_NAME MATCHES ".*Darwin.*")
   118     set(DARWIN TRUE)
   119   elseif(CMAKE_SYSTEM_NAME MATCHES ".*MacOS.*")
   120     set(MACOSX TRUE)
   121   endif()
   122   # TODO: iOS?
   123 elseif(CMAKE_SYSTEM_NAME MATCHES "BeOS.*")
   124   message_error("BeOS support has been removed as of SDL 2.0.2.")
   125 elseif(CMAKE_SYSTEM_NAME MATCHES "Haiku.*")
   126   set(HAIKU TRUE)
   127 endif()
   128 
   129 # Don't mistake osx for unix
   130 if(UNIX AND NOT APPLE)
   131   set(UNIX_SYS ON)
   132 else()
   133   set(UNIX_SYS OFF)
   134 endif()
   135 
   136 if(UNIX OR APPLE)
   137   set(UNIX_OR_MAC_SYS ON)
   138 else()
   139   set(UNIX_OR_MAC_SYS OFF)
   140 endif()
   141 
   142 if (UNIX_OR_MAC_SYS AND NOT EMSCRIPTEN) # JavaScript does not yet have threading support, so disable pthreads when building for Emscripten.
   143   set(SDL_PTHREADS_ENABLED_BY_DEFAULT ON)
   144 else()
   145   set(SDL_PTHREADS_ENABLED_BY_DEFAULT OFF)
   146 endif()
   147 
   148 # Default option knobs
   149 if(APPLE OR ARCH_64)
   150   if(NOT "${CMAKE_OSX_ARCHITECTURES}" MATCHES "arm")
   151     set(OPT_DEF_SSEMATH ON)
   152   endif()
   153 endif()
   154 if(UNIX OR MINGW OR MSYS)
   155   set(OPT_DEF_LIBC ON)
   156 endif()
   157 
   158 # The hidraw support doesn't catch Xbox, PS4 and Nintendo controllers,
   159 #  so we'll just use libusb when it's available. libusb does not support iOS,
   160 #  so we default to yes on iOS.
   161 #  TODO: Windows can support libusb, the hid.c file just depends on Unix APIs
   162 if(WINDOWS OR IOS OR ANDROID)
   163   set(HIDAPI_SKIP_LIBUSB TRUE)
   164 else()
   165   set(HIDAPI_SKIP_LIBUSB FALSE)
   166 endif()
   167 if (HIDAPI_SKIP_LIBUSB)
   168   set(OPT_DEF_HIDAPI ON)
   169 endif()
   170 
   171 # On the other hand, *BSD specifically uses libusb only, so we make a special
   172 #  case just for them.
   173 if(FREEBSD OR NETBSD OR OPENBSD OR BSDI)
   174   set(HIDAPI_ONLY_LIBUSB TRUE)
   175 else()
   176   set(HIDAPI_ONLY_LIBUSB FALSE)
   177 endif()
   178 
   179 # Compiler info
   180 if(CMAKE_COMPILER_IS_GNUCC)
   181   set(USE_GCC TRUE)
   182   set(OPT_DEF_ASM TRUE)
   183 elseif(CMAKE_C_COMPILER_ID MATCHES "Clang")
   184   set(USE_CLANG TRUE)
   185   set(OPT_DEF_ASM TRUE)
   186 elseif(MSVC_VERSION GREATER 1400) # VisualStudio 8.0+
   187   set(OPT_DEF_ASM TRUE)
   188   #set(CMAKE_C_FLAGS "/ZI /WX- /
   189 else()
   190   set(OPT_DEF_ASM FALSE)
   191 endif()
   192 
   193 if(USE_GCC OR USE_CLANG)
   194   set(OPT_DEF_GCC_ATOMICS ON)
   195 endif()
   196 
   197 # Default flags, if not set otherwise
   198 if("$ENV{CFLAGS}" STREQUAL "")
   199   if(CMAKE_BUILD_TYPE STREQUAL "")
   200     if(USE_GCC OR USE_CLANG)
   201       set(CMAKE_C_FLAGS "-g -O3")
   202     endif()
   203   endif()
   204 else()
   205   set(CMAKE_C_FLAGS "$ENV{CFLAGS}")
   206   list(APPEND EXTRA_CFLAGS "$ENV{CFLAGS}")
   207 endif()
   208 if(NOT ("$ENV{CFLAGS}" STREQUAL "")) # Hackish, but does the trick on Win32
   209   list(APPEND EXTRA_LDFLAGS "$ENV{LDFLAGS}")
   210 endif()
   211 
   212 if(MSVC)
   213   option(FORCE_STATIC_VCRT "Force /MT for static VC runtimes" OFF)
   214   if(FORCE_STATIC_VCRT)
   215     foreach(flag_var
   216         CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
   217         CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO)
   218       if(${flag_var} MATCHES "/MD")
   219         string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
   220       endif()
   221     endforeach()
   222   endif()
   223 
   224   # Make sure /RTC1 is disabled, otherwise it will use functions from the CRT
   225   foreach(flag_var
   226       CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
   227       CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO)
   228     string(REGEX REPLACE "/RTC(su|[1su])" "" ${flag_var} "${${flag_var}}")
   229   endforeach(flag_var)
   230 endif()
   231 
   232 # Those are used for pkg-config and friends, so that the SDL2.pc, sdl2-config,
   233 # etc. are created correctly.
   234 set(SDL_LIBS "-lSDL2")
   235 set(SDL_CFLAGS "")
   236 
   237 # When building shared lib for Windows with MinGW,
   238 # avoid the DLL having a "lib" prefix
   239 if(WINDOWS)
   240   set(CMAKE_SHARED_LIBRARY_PREFIX "")
   241 endif()
   242 
   243 # Emscripten toolchain has a nonempty default value for this, and the checks
   244 # in this file need to change that, so remember the original value, and
   245 # restore back to that afterwards. For check_function_exists() to work in
   246 # Emscripten, this value must be at its default value.
   247 set(ORIG_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
   248 
   249 if(CYGWIN)
   250   # We build SDL on cygwin without the UNIX emulation layer
   251   include_directories("-I/usr/include/mingw")
   252   set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -mno-cygwin")
   253   check_c_source_compiles("int main(int argc, char **argv) {}"
   254     HAVE_GCC_NO_CYGWIN)
   255   set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS})
   256   if(HAVE_GCC_NO_CYGWIN)
   257     list(APPEND EXTRA_LDFLAGS "-mno-cygwin")
   258     list(APPEND SDL_LIBS "-mno-cygwin")
   259   endif()
   260   set(SDL_CFLAGS "${SDL_CFLAGS} -I/usr/include/mingw")
   261 endif()
   262 
   263 add_definitions(-DUSING_GENERATED_CONFIG_H)
   264 # General includes
   265 include_directories(${SDL2_BINARY_DIR}/include ${SDL2_SOURCE_DIR}/include)
   266 if(USE_GCC OR USE_CLANG)
   267   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -idirafter ${SDL2_SOURCE_DIR}/src/video/khronos")
   268 else()
   269   include_directories(${SDL2_SOURCE_DIR}/src/video/khronos)
   270 endif()
   271 
   272 # All these ENABLED_BY_DEFAULT vars will default to ON if not specified, so
   273 #  you only need to have a platform override them if they are disabling.
   274 set(OPT_DEF_ASM TRUE)
   275 if(EMSCRIPTEN)
   276   # Set up default values for the currently supported set of subsystems:
   277   # Emscripten/Javascript does not have assembly support, a dynamic library
   278   # loading architecture, low-level CPU inspection or multithreading.
   279   set(OPT_DEF_ASM FALSE)
   280   set(SDL_SHARED_ENABLED_BY_DEFAULT OFF)
   281   set(SDL_ATOMIC_ENABLED_BY_DEFAULT OFF)
   282   set(SDL_THREADS_ENABLED_BY_DEFAULT OFF)
   283   set(SDL_LOADSO_ENABLED_BY_DEFAULT OFF)
   284   set(SDL_CPUINFO_ENABLED_BY_DEFAULT OFF)
   285   set(SDL_DLOPEN_ENABLED_BY_DEFAULT OFF)
   286 endif()
   287 
   288 # When defined, respect CMake's BUILD_SHARED_LIBS setting:
   289 set(SDL_STATIC_ENABLED_BY_DEFAULT ON)
   290 if (NOT DEFINED SDL_SHARED_ENABLED_BY_DEFAULT)
   291   # ...unless decided already (as for EMSCRIPTEN)
   292 
   293   set(SDL_SHARED_ENABLED_BY_DEFAULT OFF)
   294 
   295   if (NOT DEFINED BUILD_SHARED_LIBS)
   296     # No preference? Build both, just like the AC/AM configure
   297     set(SDL_SHARED_ENABLED_BY_DEFAULT ON)
   298 
   299   elseif (BUILD_SHARED_LIBS)
   300     # In this case, we assume the user wants a shared lib and don't build
   301     # the static one
   302     set(SDL_SHARED_ENABLED_BY_DEFAULT ON)
   303     set(SDL_STATIC_ENABLED_BY_DEFAULT OFF)
   304   endif()
   305 endif()
   306 
   307 set(SDL_SUBSYSTEMS
   308     Atomic Audio Video Render Events Joystick Haptic Power Threads Timers
   309     File Loadso CPUinfo Filesystem Dlopen Sensor)
   310 foreach(_SUB ${SDL_SUBSYSTEMS})
   311   string(TOUPPER ${_SUB} _OPT)
   312   if (NOT DEFINED SDL_${_OPT}_ENABLED_BY_DEFAULT)
   313     set(SDL_${_OPT}_ENABLED_BY_DEFAULT ON)
   314   endif()
   315   option(SDL_${_OPT} "Enable the ${_SUB} subsystem" ${SDL_${_OPT}_ENABLED_BY_DEFAULT})
   316 endforeach()
   317 
   318 option_string(ASSERTIONS "Enable internal sanity checks (auto/disabled/release/enabled/paranoid)" "auto")
   319 #set_option(DEPENDENCY_TRACKING "Use gcc -MMD -MT dependency tracking" ON)
   320 set_option(LIBC                "Use the system C library" ${OPT_DEF_LIBC})
   321 set_option(GCC_ATOMICS         "Use gcc builtin atomics" ${OPT_DEF_GCC_ATOMICS})
   322 set_option(ASSEMBLY            "Enable assembly routines" ${OPT_DEF_ASM})
   323 set_option(SSEMATH             "Allow GCC to use SSE floating point math" ${OPT_DEF_SSEMATH})
   324 set_option(MMX                 "Use MMX assembly routines" ${OPT_DEF_ASM})
   325 set_option(3DNOW               "Use 3Dnow! MMX assembly routines" ${OPT_DEF_ASM})
   326 set_option(SSE                 "Use SSE assembly routines" ${OPT_DEF_ASM})
   327 set_option(SSE2                "Use SSE2 assembly routines" ${OPT_DEF_SSEMATH})
   328 set_option(SSE3                "Use SSE3 assembly routines" ${OPT_DEF_SSEMATH})
   329 set_option(ALTIVEC             "Use Altivec assembly routines" ${OPT_DEF_ASM})
   330 set_option(DISKAUDIO           "Support the disk writer audio driver" ON)
   331 set_option(DUMMYAUDIO          "Support the dummy audio driver" ON)
   332 set_option(VIDEO_DIRECTFB      "Use DirectFB video driver" OFF)
   333 dep_option(DIRECTFB_SHARED     "Dynamically load directfb support" ON "VIDEO_DIRECTFB" OFF)
   334 set_option(VIDEO_DUMMY         "Use dummy video driver" ON)
   335 set_option(VIDEO_OPENGL        "Include OpenGL support" ON)
   336 set_option(VIDEO_OPENGLES      "Include OpenGL ES support" ON)
   337 set_option(PTHREADS            "Use POSIX threads for multi-threading" ${SDL_PTHREADS_ENABLED_BY_DEFAULT})
   338 dep_option(PTHREADS_SEM        "Use pthread semaphores" ON "PTHREADS" OFF)
   339 set_option(SDL_DLOPEN          "Use dlopen for shared object loading" ${SDL_DLOPEN_ENABLED_BY_DEFAULT})
   340 set_option(OSS                 "Support the OSS audio API" ${UNIX_SYS})
   341 set_option(ALSA                "Support the ALSA audio API" ${UNIX_SYS})
   342 dep_option(ALSA_SHARED         "Dynamically load ALSA audio support" ON "ALSA" OFF)
   343 set_option(JACK                "Support the JACK audio API" ${UNIX_SYS})
   344 dep_option(JACK_SHARED         "Dynamically load JACK audio support" ON "JACK" OFF)
   345 set_option(ESD                 "Support the Enlightened Sound Daemon" ${UNIX_SYS})
   346 dep_option(ESD_SHARED          "Dynamically load ESD audio support" ON "ESD" OFF)
   347 set_option(PULSEAUDIO          "Use PulseAudio" ${UNIX_SYS})
   348 dep_option(PULSEAUDIO_SHARED   "Dynamically load PulseAudio support" ON "PULSEAUDIO" OFF)
   349 set_option(ARTS                "Support the Analog Real Time Synthesizer" ${UNIX_SYS})
   350 dep_option(ARTS_SHARED         "Dynamically load aRts audio support" ON "ARTS" OFF)
   351 set_option(NAS                 "Support the NAS audio API" ${UNIX_SYS})
   352 set_option(NAS_SHARED          "Dynamically load NAS audio API" ${UNIX_SYS})
   353 set_option(SNDIO               "Support the sndio audio API" ${UNIX_SYS})
   354 set_option(FUSIONSOUND         "Use FusionSound audio driver" OFF)
   355 dep_option(FUSIONSOUND_SHARED  "Dynamically load fusionsound audio support" ON "FUSIONSOUND" OFF)
   356 set_option(LIBSAMPLERATE       "Use libsamplerate for audio rate conversion" ${UNIX_SYS})
   357 dep_option(LIBSAMPLERATE_SHARED "Dynamically load libsamplerate" ON "LIBSAMPLERATE" OFF)
   358 set_option(RPATH               "Use an rpath when linking SDL" ${UNIX_SYS})
   359 set_option(CLOCK_GETTIME       "Use clock_gettime() instead of gettimeofday()" OFF)
   360 set_option(INPUT_TSLIB         "Use the Touchscreen library for input" ${UNIX_SYS})
   361 set_option(VIDEO_X11           "Use X11 video driver" ${UNIX_SYS})
   362 set_option(VIDEO_WAYLAND       "Use Wayland video driver" ${UNIX_SYS})
   363 dep_option(WAYLAND_SHARED      "Dynamically load Wayland support" ON "VIDEO_WAYLAND" OFF)
   364 dep_option(VIDEO_WAYLAND_QT_TOUCH  "QtWayland server support for Wayland video driver" ON "VIDEO_WAYLAND" OFF)
   365 set_option(VIDEO_RPI           "Use Raspberry Pi video driver" ${UNIX_SYS})
   366 dep_option(X11_SHARED          "Dynamically load X11 support" ON "VIDEO_X11" OFF)
   367 set(SDL_X11_OPTIONS Xcursor Xinerama XInput Xrandr Xscrnsaver XShape Xvm)
   368 foreach(_SUB ${SDL_X11_OPTIONS})
   369   string(TOUPPER "VIDEO_X11_${_SUB}" _OPT)
   370   dep_option(${_OPT}           "Enable ${_SUB} support" ON "VIDEO_X11" OFF)
   371 endforeach()
   372 set_option(VIDEO_COCOA         "Use Cocoa video driver" ${APPLE})
   373 set_option(DIRECTX             "Use DirectX for Windows audio/video" ${WINDOWS})
   374 set_option(WASAPI              "Use the Windows WASAPI audio driver" ${WINDOWS})
   375 set_option(RENDER_D3D          "Enable the Direct3D render driver" ${WINDOWS})
   376 set_option(RENDER_METAL        "Enable the Metal render driver" ${APPLE})
   377 set_option(VIDEO_VIVANTE       "Use Vivante EGL video driver" ${UNIX_SYS})
   378 dep_option(VIDEO_VULKAN        "Enable Vulkan support" ON "ANDROID OR APPLE OR LINUX OR WINDOWS" OFF)
   379 set_option(VIDEO_METAL         "Enable Metal support" ${APPLE})
   380 set_option(VIDEO_KMSDRM        "Use KMS DRM video driver" ${UNIX_SYS})
   381 dep_option(KMSDRM_SHARED       "Dynamically load KMS DRM support" ON "VIDEO_KMSDRM" OFF)
   382 option_string(BACKGROUNDING_SIGNAL "number to use for magic backgrounding signal or 'OFF'" "OFF")
   383 option_string(FOREGROUNDING_SIGNAL "number to use for magic foregrounding signal or 'OFF'" "OFF")
   384 set_option(HIDAPI              "Use HIDAPI for low level joystick drivers" ${OPT_DEF_HIDAPI})
   385 
   386 set(SDL_SHARED ${SDL_SHARED_ENABLED_BY_DEFAULT} CACHE BOOL "Build a shared version of the library")
   387 set(SDL_STATIC ${SDL_STATIC_ENABLED_BY_DEFAULT} CACHE BOOL "Build a static version of the library")
   388 
   389 dep_option(SDL_STATIC_PIC      "Static version of the library should be built with Position Independent Code" OFF "SDL_STATIC" OFF)
   390 set_option(SDL_TEST            "Build the test directory" OFF)
   391 
   392 # General source files
   393 file(GLOB SOURCE_FILES
   394   ${SDL2_SOURCE_DIR}/src/*.c
   395   ${SDL2_SOURCE_DIR}/src/atomic/*.c
   396   ${SDL2_SOURCE_DIR}/src/audio/*.c
   397   ${SDL2_SOURCE_DIR}/src/cpuinfo/*.c
   398   ${SDL2_SOURCE_DIR}/src/dynapi/*.c
   399   ${SDL2_SOURCE_DIR}/src/events/*.c
   400   ${SDL2_SOURCE_DIR}/src/file/*.c
   401   ${SDL2_SOURCE_DIR}/src/libm/*.c
   402   ${SDL2_SOURCE_DIR}/src/render/*.c
   403   ${SDL2_SOURCE_DIR}/src/render/*/*.c
   404   ${SDL2_SOURCE_DIR}/src/stdlib/*.c
   405   ${SDL2_SOURCE_DIR}/src/thread/*.c
   406   ${SDL2_SOURCE_DIR}/src/timer/*.c
   407   ${SDL2_SOURCE_DIR}/src/video/*.c
   408   ${SDL2_SOURCE_DIR}/src/video/yuv2rgb/*.c)
   409 
   410 
   411 if(ASSERTIONS STREQUAL "auto")
   412   # Do nada - use optimization settings to determine the assertion level
   413 elseif(ASSERTIONS STREQUAL "disabled")
   414   set(SDL_DEFAULT_ASSERT_LEVEL 0)
   415 elseif(ASSERTIONS STREQUAL "release")
   416   set(SDL_DEFAULT_ASSERT_LEVEL 1)
   417 elseif(ASSERTIONS STREQUAL "enabled")
   418   set(SDL_DEFAULT_ASSERT_LEVEL 2)
   419 elseif(ASSERTIONS STREQUAL "paranoid")
   420   set(SDL_DEFAULT_ASSERT_LEVEL 3)
   421 else()
   422   message_error("unknown assertion level")
   423 endif()
   424 set(HAVE_ASSERTIONS ${ASSERTIONS})
   425 
   426 if(NOT BACKGROUNDING_SIGNAL STREQUAL "OFF")
   427   add_definitions("-DSDL_BACKGROUNDING_SIGNAL=${BACKGROUNDING_SIGNAL}")
   428 endif()
   429 
   430 if(NOT FOREGROUNDING_SIGNAL STREQUAL "OFF")
   431   add_definitions("-DSDL_FOREGROUNDING_SIGNAL=${FOREGROUNDING_SIGNAL}")
   432 endif()
   433 
   434 # Compiler option evaluation
   435 if(USE_GCC OR USE_CLANG)
   436   # Check for -Wall first, so later things can override pieces of it.
   437   check_c_compiler_flag(-Wall HAVE_GCC_WALL)
   438   if(HAVE_GCC_WALL)
   439     list(APPEND EXTRA_CFLAGS "-Wall")
   440     if(HAIKU)
   441       set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-multichar")
   442     endif()
   443   endif()
   444 
   445   check_c_compiler_flag(-fno-strict-aliasing HAVE_GCC_NO_STRICT_ALIASING)
   446   if(HAVE_GCC_NO_STRICT_ALIASING)
   447     list(APPEND EXTRA_CFLAGS "-fno-strict-aliasing")
   448   endif()
   449 
   450   check_c_compiler_flag(-Wdeclaration-after-statement HAVE_GCC_WDECLARATION_AFTER_STATEMENT)
   451   if(HAVE_GCC_WDECLARATION_AFTER_STATEMENT)
   452     check_c_compiler_flag(-Werror=declaration-after-statement HAVE_GCC_WERROR_DECLARATION_AFTER_STATEMENT)
   453     if(HAVE_GCC_WERROR_DECLARATION_AFTER_STATEMENT)
   454       list(APPEND EXTRA_CFLAGS "-Werror=declaration-after-statement")
   455     endif()
   456     list(APPEND EXTRA_CFLAGS "-Wdeclaration-after-statement")
   457   endif()
   458 
   459   if(DEPENDENCY_TRACKING)
   460     check_c_source_compiles("
   461         #if !defined(__GNUC__) || __GNUC__ < 3
   462         #error Dependency tracking requires GCC 3.0 or newer
   463         #endif
   464         int main(int argc, char **argv) { }" HAVE_DEPENDENCY_TRACKING)
   465   endif()
   466 
   467   if(GCC_ATOMICS)
   468     check_c_source_compiles("int main(int argc, char **argv) {
   469         int a;
   470         void *x, *y, *z;
   471         __sync_lock_test_and_set(&a, 4);
   472         __sync_lock_test_and_set(&x, y);
   473         __sync_fetch_and_add(&a, 1);
   474         __sync_bool_compare_and_swap(&a, 5, 10);
   475         __sync_bool_compare_and_swap(&x, y, z); }" HAVE_GCC_ATOMICS)
   476     if(NOT HAVE_GCC_ATOMICS)
   477       check_c_source_compiles("int main(int argc, char **argv) {
   478           int a;
   479           __sync_lock_test_and_set(&a, 1);
   480           __sync_lock_release(&a); }" HAVE_GCC_SYNC_LOCK_TEST_AND_SET)
   481     endif()
   482   endif()
   483 
   484   set(CMAKE_REQUIRED_FLAGS "-mpreferred-stack-boundary=2")
   485   check_c_source_compiles("int x = 0; int main(int argc, char **argv) {}"
   486     HAVE_GCC_PREFERRED_STACK_BOUNDARY)
   487   set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS})
   488 
   489   set(CMAKE_REQUIRED_FLAGS "-fvisibility=hidden -Werror")
   490   check_c_source_compiles("
   491       #if !defined(__GNUC__) || __GNUC__ < 4
   492       #error SDL only uses visibility attributes in GCC 4 or newer
   493       #endif
   494       int main(int argc, char **argv) {}" HAVE_GCC_FVISIBILITY)
   495   if(HAVE_GCC_FVISIBILITY)
   496     list(APPEND EXTRA_CFLAGS "-fvisibility=hidden")
   497   endif()
   498   set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS})
   499 
   500   check_c_compiler_flag(-Wshadow HAVE_GCC_WSHADOW)
   501   if(HAVE_GCC_WSHADOW)
   502     list(APPEND EXTRA_CFLAGS "-Wshadow")
   503   endif()
   504 
   505   if(APPLE)
   506     list(APPEND EXTRA_LDFLAGS "-Wl,-undefined,error")
   507     list(APPEND EXTRA_LDFLAGS "-Wl,-compatibility_version,${DYLIB_COMPATIBILITY_VERSION}")
   508     list(APPEND EXTRA_LDFLAGS "-Wl,-current_version,${DYLIB_CURRENT_VERSION}")
   509   else()
   510     set(CMAKE_REQUIRED_FLAGS "-Wl,--no-undefined")
   511     check_c_compiler_flag("" HAVE_NO_UNDEFINED)
   512     set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS})
   513     if(HAVE_NO_UNDEFINED)
   514       list(APPEND EXTRA_LDFLAGS "-Wl,--no-undefined")
   515     endif()
   516   endif()
   517 endif()
   518 
   519 if(ASSEMBLY)
   520   if(USE_GCC OR USE_CLANG)
   521     set(SDL_ASSEMBLY_ROUTINES 1)
   522     # TODO: Those all seem to be quite GCC specific - needs to be
   523     # reworked for better compiler support
   524     set(HAVE_ASSEMBLY TRUE)
   525     if(MMX)
   526       set(CMAKE_REQUIRED_FLAGS "-mmmx")
   527       check_c_source_compiles("
   528           #ifdef __MINGW32__
   529           #include <_mingw.h>
   530           #ifdef __MINGW64_VERSION_MAJOR
   531           #include <intrin.h>
   532           #else
   533           #include <mmintrin.h>
   534           #endif
   535           #else
   536           #include <mmintrin.h>
   537           #endif
   538           #ifndef __MMX__
   539           #error Assembler CPP flag not enabled
   540           #endif
   541           int main(int argc, char **argv) { }" HAVE_MMX)
   542       if(HAVE_MMX)
   543         list(APPEND EXTRA_CFLAGS "-mmmx")
   544       endif()
   545       set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS})
   546     endif()
   547 
   548     if(3DNOW)
   549       set(CMAKE_REQUIRED_FLAGS "-m3dnow")
   550       check_c_source_compiles("
   551           #include <mm3dnow.h>
   552           #ifndef __3dNOW__
   553           #error Assembler CPP flag not enabled
   554           #endif
   555           int main(int argc, char **argv) {
   556             void *p = 0;
   557             _m_prefetch(p);
   558           }" HAVE_3DNOW)
   559       if(HAVE_3DNOW)
   560         list(APPEND EXTRA_CFLAGS "-m3dnow")
   561       endif()
   562       set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS})
   563     endif()
   564 
   565     if(SSE)
   566       set(CMAKE_REQUIRED_FLAGS "-msse")
   567       check_c_source_compiles("
   568           #ifdef __MINGW32__
   569           #include <_mingw.h>
   570           #ifdef __MINGW64_VERSION_MAJOR
   571           #include <intrin.h>
   572           #else
   573           #include <xmmintrin.h>
   574           #endif
   575           #else
   576           #include <xmmintrin.h>
   577           #endif
   578           #ifndef __SSE__
   579           #error Assembler CPP flag not enabled
   580           #endif
   581           int main(int argc, char **argv) { }" HAVE_SSE)
   582       if(HAVE_SSE)
   583         list(APPEND EXTRA_CFLAGS "-msse")
   584       endif()
   585       set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS})
   586     endif()
   587 
   588     if(SSE2)
   589       set(CMAKE_REQUIRED_FLAGS "-msse2")
   590       check_c_source_compiles("
   591           #ifdef __MINGW32__
   592           #include <_mingw.h>
   593           #ifdef __MINGW64_VERSION_MAJOR
   594           #include <intrin.h>
   595           #else
   596           #include <emmintrin.h>
   597           #endif
   598           #else
   599           #include <emmintrin.h>
   600           #endif
   601           #ifndef __SSE2__
   602           #error Assembler CPP flag not enabled
   603           #endif
   604           int main(int argc, char **argv) { }" HAVE_SSE2)
   605       if(HAVE_SSE2)
   606         list(APPEND EXTRA_CFLAGS "-msse2")
   607       endif()
   608       set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS})
   609     endif()
   610 
   611     if(SSE3)
   612       set(CMAKE_REQUIRED_FLAGS "-msse3")
   613       check_c_source_compiles("
   614           #ifdef __MINGW32__
   615           #include <_mingw.h>
   616           #ifdef __MINGW64_VERSION_MAJOR
   617           #include <intrin.h>
   618           #else
   619           #include <pmmintrin.h>
   620           #endif
   621           #else
   622           #include <pmmintrin.h>
   623           #endif
   624           #ifndef __SSE3__
   625           #error Assembler CPP flag not enabled
   626           #endif
   627           int main(int argc, char **argv) { }" HAVE_SSE3)
   628       if(HAVE_SSE3)
   629         list(APPEND EXTRA_CFLAGS "-msse3")
   630       endif()
   631       set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS})
   632     endif()
   633 
   634     if(NOT SSEMATH)
   635       if(SSE OR SSE2 OR SSE3)
   636         if(USE_GCC)
   637           check_c_compiler_flag(-mfpmath=387 HAVE_FP_387)
   638           if(HAVE_FP_387)
   639             list(APPEND EXTRA_CFLAGS "-mfpmath=387")
   640           endif()
   641         endif()
   642         set(HAVE_SSEMATH TRUE)
   643       endif()
   644     endif()
   645 
   646     check_include_file("immintrin.h" HAVE_IMMINTRIN_H)
   647 
   648     if(ALTIVEC)
   649       set(CMAKE_REQUIRED_FLAGS "-maltivec")
   650       check_c_source_compiles("
   651           #include <altivec.h>
   652           vector unsigned int vzero() {
   653               return vec_splat_u32(0);
   654           }
   655           int main(int argc, char **argv) { }" HAVE_ALTIVEC_H_HDR)
   656       check_c_source_compiles("
   657           vector unsigned int vzero() {
   658               return vec_splat_u32(0);
   659           }
   660           int main(int argc, char **argv) { }" HAVE_ALTIVEC)
   661       set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS})
   662       if(HAVE_ALTIVEC OR HAVE_ALTIVEC_H_HDR)
   663         set(HAVE_ALTIVEC TRUE) # if only HAVE_ALTIVEC_H_HDR is set
   664         list(APPEND EXTRA_CFLAGS "-maltivec")
   665         set(SDL_ALTIVEC_BLITTERS 1)
   666         if(HAVE_ALTIVEC_H_HDR)
   667           set(HAVE_ALTIVEC_H 1)
   668         endif()
   669       endif()
   670     endif()
   671   elseif(MSVC_VERSION GREATER 1500)
   672     # TODO: SDL_cpuinfo.h needs to support the user's configuration wish
   673     # for MSVC - right now it is always activated
   674     if(NOT ARCH_64)
   675       set(HAVE_MMX TRUE)
   676       set(HAVE_3DNOW TRUE)
   677     endif()
   678     set(HAVE_SSE TRUE)
   679     set(HAVE_SSE2 TRUE)
   680     set(HAVE_SSE3 TRUE)
   681     set(SDL_ASSEMBLY_ROUTINES 1)
   682   endif()
   683 # TODO:
   684 #else()
   685 #  if(USE_GCC OR USE_CLANG)
   686 #    list(APPEND EXTRA_CFLAGS "-mno-sse" "-mno-sse2" "-mno-sse3" "-mno-mmx")
   687 #  endif()
   688 endif()
   689 
   690 # TODO: Can't deactivate on FreeBSD? w/o LIBC, SDL_stdinc.h can't define
   691 # anything.
   692 if(LIBC)
   693   if(WINDOWS AND NOT MINGW)
   694     set(HAVE_LIBC TRUE)
   695     foreach(_HEADER stdio.h string.h wchar.h ctype.h math.h limits.h)
   696       string(TOUPPER "HAVE_${_HEADER}" _UPPER)
   697       string(REPLACE "." "_" _HAVE_H ${_UPPER})
   698       set(${_HAVE_H} 1)
   699     endforeach()
   700     set(HAVE_SIGNAL_H 1)
   701     foreach(_FN
   702             malloc calloc realloc free qsort abs memset memcpy memmove memcmp
   703             wcslen wcscmp
   704             strlen _strrev _strupr _strlwr strchr strrchr strstr itoa _ltoa
   705             _ultoa strtol strtoul strtoll strtod atoi atof strcmp strncmp
   706             _stricmp _strnicmp sscanf
   707             acos acosf asin asinf atan atanf atan2 atan2f ceil ceilf
   708             copysign copysignf cos cosf exp expf fabs fabsf floor floorf fmod fmodf
   709             log logf log10 log10f pow powf scalbn scalbnf sin sinf sqrt sqrtf tan tanf)
   710       string(TOUPPER ${_FN} _UPPER)
   711       set(HAVE_${_UPPER} 1)
   712     endforeach()
   713     if(NOT CYGWIN AND NOT MINGW)
   714       set(HAVE_ALLOCA 1)
   715     endif()
   716     set(HAVE_M_PI 1)
   717     add_definitions(-D_USE_MATH_DEFINES) # needed for M_PI
   718     set(STDC_HEADERS 1)
   719   else()
   720     set(HAVE_LIBC TRUE)
   721     check_include_file(sys/types.h HAVE_SYS_TYPES_H)
   722     foreach(_HEADER
   723             stdio.h stdlib.h stddef.h stdarg.h malloc.h memory.h string.h limits.h
   724             strings.h wchar.h inttypes.h stdint.h ctype.h math.h iconv.h signal.h libunwind.h)
   725       string(TOUPPER "HAVE_${_HEADER}" _UPPER)
   726       string(REPLACE "." "_" _HAVE_H ${_UPPER})
   727       check_include_file("${_HEADER}" ${_HAVE_H})
   728     endforeach()
   729 
   730     check_include_files("dlfcn.h;stdint.h;stddef.h;inttypes.h;stdlib.h;strings.h;string.h;float.h" STDC_HEADERS)
   731     check_type_size("size_t" SIZEOF_SIZE_T)
   732     check_symbol_exists(M_PI math.h HAVE_M_PI)
   733     # TODO: refine the mprotect check
   734     check_c_source_compiles("#include <sys/types.h>
   735                              #include <sys/mman.h>
   736                              int main() { }" HAVE_MPROTECT)
   737     foreach(_FN
   738             strtod malloc calloc realloc free getenv setenv putenv unsetenv
   739             qsort abs bcopy memset memcpy memmove memcmp strlen strlcpy strlcat
   740             _strrev _strupr _strlwr strchr strrchr strstr itoa _ltoa
   741             _uitoa _ultoa strtol strtoul _i64toa _ui64toa strtoll strtoull
   742             atoi atof strcmp strncmp _stricmp strcasecmp _strnicmp strncasecmp
   743             vsscanf vsnprintf fopen64 fseeko fseeko64 sigaction setjmp
   744             nanosleep sysconf sysctlbyname getauxval poll _Exit
   745             )
   746       string(TOUPPER ${_FN} _UPPER)
   747       set(_HAVEVAR "HAVE_${_UPPER}")
   748       check_function_exists("${_FN}" ${_HAVEVAR})
   749     endforeach()
   750 
   751     check_library_exists(m pow "" HAVE_LIBM)
   752     if(HAVE_LIBM)
   753       set(CMAKE_REQUIRED_LIBRARIES m)
   754       foreach(_FN
   755               atan atan2 ceil copysign cos cosf fabs floor log pow scalbn sin
   756               sinf sqrt sqrtf tan tanf acos asin)
   757         string(TOUPPER ${_FN} _UPPER)
   758         set(_HAVEVAR "HAVE_${_UPPER}")
   759         check_function_exists("${_FN}" ${_HAVEVAR})
   760       endforeach()
   761       set(CMAKE_REQUIRED_LIBRARIES)
   762       list(APPEND EXTRA_LIBS m)
   763     endif()
   764 
   765     check_library_exists(iconv iconv_open "" HAVE_LIBICONV)
   766     if(HAVE_LIBICONV)
   767       list(APPEND EXTRA_LIBS iconv)
   768       set(HAVE_ICONV 1)
   769     endif()
   770 
   771     if(NOT APPLE)
   772       check_include_file(alloca.h HAVE_ALLOCA_H)
   773       check_function_exists(alloca HAVE_ALLOCA)
   774     else()
   775       set(HAVE_ALLOCA_H 1)
   776       set(HAVE_ALLOCA 1)
   777     endif()
   778 
   779     check_struct_has_member("struct sigaction" "sa_sigaction" "signal.h" HAVE_SA_SIGACTION)
   780   endif()
   781 else()
   782   if(WINDOWS)
   783     set(HAVE_STDARG_H 1)
   784     set(HAVE_STDDEF_H 1)
   785   endif()
   786 endif()
   787 
   788 
   789 # Enable/disable various subsystems of the SDL library
   790 foreach(_SUB ${SDL_SUBSYSTEMS})
   791   string(TOUPPER ${_SUB} _OPT)
   792   if(NOT SDL_${_OPT})
   793     set(SDL_${_OPT}_DISABLED 1)
   794   endif()
   795 endforeach()
   796 if(SDL_JOYSTICK)
   797   file(GLOB JOYSTICK_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/*.c)
   798   set(SOURCE_FILES ${SOURCE_FILES} ${JOYSTICK_SOURCES})
   799 endif()
   800 if(SDL_HAPTIC)
   801   if(NOT SDL_JOYSTICK)
   802     # Haptic requires some private functions from the joystick subsystem.
   803     message_error("SDL_HAPTIC requires SDL_JOYSTICK, which is not enabled")
   804   endif()
   805   file(GLOB HAPTIC_SOURCES ${SDL2_SOURCE_DIR}/src/haptic/*.c)
   806   set(SOURCE_FILES ${SOURCE_FILES} ${HAPTIC_SOURCES})
   807 endif()
   808 if(SDL_SENSOR)
   809   file(GLOB SENSOR_SOURCES ${SDL2_SOURCE_DIR}/src/sensor/*.c)
   810   set(SOURCE_FILES ${SOURCE_FILES} ${SENSOR_SOURCES})
   811 endif()
   812 if(SDL_POWER)
   813   file(GLOB POWER_SOURCES ${SDL2_SOURCE_DIR}/src/power/*.c)
   814   set(SOURCE_FILES ${SOURCE_FILES} ${POWER_SOURCES})
   815 endif()
   816 # TODO: in configure.ac, the test for LOADSO and SDL_DLOPEN is a bit weird:
   817 # if LOADSO is not wanted, SDL_LOADSO_DISABLED is set
   818 # If however on Unix or APPLE dlopen() is detected via CheckDLOPEN(),
   819 # SDL_LOADSO_DISABLED will not be set, regardless of the LOADSO settings
   820 
   821 # General SDL subsystem options, valid for all platforms
   822 if(SDL_AUDIO)
   823   # CheckDummyAudio/CheckDiskAudio - valid for all platforms
   824   if(DUMMYAUDIO)
   825     set(SDL_AUDIO_DRIVER_DUMMY 1)
   826     file(GLOB DUMMYAUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/dummy/*.c)
   827     set(SOURCE_FILES ${SOURCE_FILES} ${DUMMYAUDIO_SOURCES})
   828     set(HAVE_DUMMYAUDIO TRUE)
   829   endif()
   830   if(DISKAUDIO)
   831     set(SDL_AUDIO_DRIVER_DISK 1)
   832     file(GLOB DISKAUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/disk/*.c)
   833     set(SOURCE_FILES ${SOURCE_FILES} ${DISKAUDIO_SOURCES})
   834     set(HAVE_DISKAUDIO TRUE)
   835   endif()
   836 endif()
   837 
   838 if(SDL_DLOPEN)
   839   # Relevant for Unix/Darwin only
   840   if(UNIX OR APPLE)
   841     CheckDLOPEN()
   842   endif()
   843 endif()
   844 
   845 if(SDL_VIDEO)
   846   if(VIDEO_DUMMY)
   847     set(SDL_VIDEO_DRIVER_DUMMY 1)
   848     file(GLOB VIDEO_DUMMY_SOURCES ${SDL2_SOURCE_DIR}/src/video/dummy/*.c)
   849     set(SOURCE_FILES ${SOURCE_FILES} ${VIDEO_DUMMY_SOURCES})
   850     set(HAVE_VIDEO_DUMMY TRUE)
   851     set(HAVE_SDL_VIDEO TRUE)
   852   endif()
   853 endif()
   854 
   855 # Platform-specific options and settings
   856 if(ANDROID)
   857   file(GLOB ANDROID_CORE_SOURCES ${SDL2_SOURCE_DIR}/src/core/android/*.c)
   858   set(SOURCE_FILES ${SOURCE_FILES} ${ANDROID_CORE_SOURCES})
   859 
   860   # SDL_spinlock.c Needs to be compiled in ARM mode.
   861   # There seems to be no better way currently to set the ARM mode.
   862   # see: https://issuetracker.google.com/issues/62264618
   863   # Another option would be to set ARM mode to all compiled files
   864   check_c_compiler_flag(-marm HAVE_ARM_MODE)
   865   if(HAVE_ARM_MODE)
   866     set_source_files_properties(${SDL2_SOURCE_DIR}/src/atomic/SDL_spinlock.c PROPERTIES COMPILE_FLAGS -marm)
   867   endif()
   868 
   869   file(GLOB ANDROID_MAIN_SOURCES ${SDL2_SOURCE_DIR}/src/main/android/*.c)
   870   set(SDLMAIN_SOURCES ${SDLMAIN_SOURCES} ${ANDROID_MAIN_SOURCES})
   871 
   872   if(SDL_AUDIO)
   873     set(SDL_AUDIO_DRIVER_ANDROID 1)
   874     file(GLOB ANDROID_AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/android/*.c)
   875     set(SOURCE_FILES ${SOURCE_FILES} ${ANDROID_AUDIO_SOURCES})
   876     set(HAVE_SDL_AUDIO TRUE)
   877   endif()
   878   if(SDL_FILESYSTEM)
   879     set(SDL_FILESYSTEM_ANDROID 1)
   880     file(GLOB ANDROID_FILESYSTEM_SOURCES ${SDL2_SOURCE_DIR}/src/filesystem/android/*.c)
   881     set(SOURCE_FILES ${SOURCE_FILES} ${ANDROID_FILESYSTEM_SOURCES})
   882     set(HAVE_SDL_FILESYSTEM TRUE)
   883   endif()
   884   if(SDL_HAPTIC)
   885     set(SDL_HAPTIC_ANDROID 1)
   886     file(GLOB ANDROID_HAPTIC_SOURCES ${SDL2_SOURCE_DIR}/src/haptic/android/*.c)
   887     set(SOURCE_FILES ${SOURCE_FILES} ${ANDROID_HAPTIC_SOURCES})
   888     set(HAVE_SDL_HAPTIC TRUE)
   889   endif()
   890   if(SDL_JOYSTICK)
   891     CheckHIDAPI()
   892     set(SDL_JOYSTICK_ANDROID 1)
   893     file(GLOB ANDROID_JOYSTICK_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/android/*.c ${SDL2_SOURCE_DIR}/src/joystick/steam/*.c)
   894     set(SOURCE_FILES ${SOURCE_FILES} ${ANDROID_JOYSTICK_SOURCES})
   895     set(HAVE_SDL_JOYSTICK TRUE)
   896   endif()
   897   if(SDL_LOADSO)
   898     set(SDL_LOADSO_DLOPEN 1)
   899     file(GLOB LOADSO_SOURCES ${SDL2_SOURCE_DIR}/src/loadso/dlopen/*.c)
   900     set(SOURCE_FILES ${SOURCE_FILES} ${LOADSO_SOURCES})
   901     set(HAVE_SDL_LOADSO TRUE)
   902   endif()
   903   if(SDL_POWER)
   904     set(SDL_POWER_ANDROID 1)
   905     file(GLOB ANDROID_POWER_SOURCES ${SDL2_SOURCE_DIR}/src/power/android/*.c)
   906     set(SOURCE_FILES ${SOURCE_FILES} ${ANDROID_POWER_SOURCES})
   907     set(HAVE_SDL_POWER TRUE)
   908   endif()
   909   if(SDL_TIMERS)
   910     set(SDL_TIMER_UNIX 1)
   911     file(GLOB TIMER_SOURCES ${SDL2_SOURCE_DIR}/src/timer/unix/*.c)
   912     set(SOURCE_FILES ${SOURCE_FILES} ${TIMER_SOURCES})
   913     set(HAVE_SDL_TIMERS TRUE)
   914   endif()
   915   if(SDL_SENSOR)
   916     set(SDL_SENSOR_ANDROID 1)
   917     set(HAVE_SDL_SENSORS TRUE)
   918     file(GLOB ANDROID_SENSOR_SOURCES ${SDL2_SOURCE_DIR}/src/sensor/android/*.c)
   919     set(SOURCE_FILES ${SOURCE_FILES} ${ANDROID_SENSOR_SOURCES})
   920   endif()
   921   if(SDL_VIDEO)
   922     set(SDL_VIDEO_DRIVER_ANDROID 1)
   923     file(GLOB ANDROID_VIDEO_SOURCES ${SDL2_SOURCE_DIR}/src/video/android/*.c)
   924     set(SOURCE_FILES ${SOURCE_FILES} ${ANDROID_VIDEO_SOURCES})
   925     set(HAVE_SDL_VIDEO TRUE)
   926 
   927     # Core stuff
   928     # find_library(ANDROID_DL_LIBRARY dl)
   929     # FIXME failing dlopen https://github.com/android-ndk/ndk/issues/929
   930     find_library(ANDROID_DL_LIBRARY NAMES libdl.so dl)
   931     find_library(ANDROID_LOG_LIBRARY log)
   932     find_library(ANDROID_LIBRARY_LIBRARY android)
   933     list(APPEND EXTRA_LIBS ${ANDROID_DL_LIBRARY} ${ANDROID_LOG_LIBRARY} ${ANDROID_LIBRARY_LIBRARY})
   934     add_definitions(-DGL_GLEXT_PROTOTYPES)
   935 
   936     if (HAVE_HIDAPI)
   937         list(APPEND EXTRA_LIBS hidapi)
   938     endif()
   939 
   940     #enable gles
   941     if(VIDEO_OPENGLES)
   942       set(SDL_VIDEO_OPENGL_EGL 1)
   943       set(HAVE_VIDEO_OPENGLES TRUE)
   944       set(SDL_VIDEO_OPENGL_ES 1)
   945       set(SDL_VIDEO_RENDER_OGL_ES 1)
   946       set(SDL_VIDEO_OPENGL_ES2 1)
   947       set(SDL_VIDEO_RENDER_OGL_ES2 1)
   948 
   949       find_library(OpenGLES1_LIBRARY GLESv1_CM)
   950       find_library(OpenGLES2_LIBRARY GLESv2)
   951       list(APPEND EXTRA_LIBS ${OpenGLES1_LIBRARY} ${OpenGLES2_LIBRARY})
   952     endif()
   953 
   954     CHECK_C_SOURCE_COMPILES("
   955     #if defined(__ARM_ARCH) && __ARM_ARCH < 7
   956     #error Vulkan doesn't work on this configuration
   957     #endif
   958     int main()
   959     {
   960         return 0;
   961     }
   962     " VULKAN_PASSED_ANDROID_CHECKS)
   963     if(NOT VULKAN_PASSED_ANDROID_CHECKS)
   964       set(VIDEO_VULKAN OFF)
   965       message(STATUS "Vulkan doesn't work on this configuration")
   966     endif()
   967   endif()
   968 
   969   CheckPTHREAD()
   970 
   971 elseif(EMSCRIPTEN)
   972   # Hide noisy warnings that intend to aid mostly during initial stages of porting a new
   973   # project. Uncomment at will for verbose cross-compiling -I/../ path info.
   974   add_definitions(-Wno-warn-absolute-paths)
   975   if(SDL_AUDIO)
   976     set(SDL_AUDIO_DRIVER_EMSCRIPTEN 1)
   977     file(GLOB EM_AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/emscripten/*.c)
   978     set(SOURCE_FILES ${SOURCE_FILES} ${EM_AUDIO_SOURCES})
   979     set(HAVE_SDL_AUDIO TRUE)
   980   endif()
   981   if(SDL_FILESYSTEM)
   982     set(SDL_FILESYSTEM_EMSCRIPTEN 1)
   983     file(GLOB EM_FILESYSTEM_SOURCES ${SDL2_SOURCE_DIR}/src/filesystem/emscripten/*.c)
   984     set(SOURCE_FILES ${SOURCE_FILES} ${EM_FILESYSTEM_SOURCES})
   985     set(HAVE_SDL_FILESYSTEM TRUE)
   986   endif()
   987   if(SDL_JOYSTICK)
   988     set(SDL_JOYSTICK_EMSCRIPTEN 1)
   989     file(GLOB EM_JOYSTICK_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/emscripten/*.c)
   990     set(SOURCE_FILES ${SOURCE_FILES} ${EM_JOYSTICK_SOURCES})
   991     set(HAVE_SDL_JOYSTICK TRUE)
   992   endif()
   993   if(SDL_POWER)
   994     set(SDL_POWER_EMSCRIPTEN 1)
   995     file(GLOB EM_POWER_SOURCES ${SDL2_SOURCE_DIR}/src/power/emscripten/*.c)
   996     set(SOURCE_FILES ${SOURCE_FILES} ${EM_POWER_SOURCES})
   997     set(HAVE_SDL_POWER TRUE)
   998   endif()
   999   if(SDL_TIMERS)
  1000     set(SDL_TIMER_UNIX 1)
  1001     file(GLOB TIMER_SOURCES ${SDL2_SOURCE_DIR}/src/timer/unix/*.c)
  1002     set(SOURCE_FILES ${SOURCE_FILES} ${TIMER_SOURCES})
  1003     set(HAVE_SDL_TIMERS TRUE)
  1004 
  1005     if(CLOCK_GETTIME)
  1006       set(HAVE_CLOCK_GETTIME 1)
  1007     endif()
  1008   endif()
  1009   if(SDL_VIDEO)
  1010     set(SDL_VIDEO_DRIVER_EMSCRIPTEN 1)
  1011     file(GLOB EM_VIDEO_SOURCES ${SDL2_SOURCE_DIR}/src/video/emscripten/*.c)
  1012     set(SOURCE_FILES ${SOURCE_FILES} ${EM_VIDEO_SOURCES})
  1013     set(HAVE_SDL_VIDEO TRUE)
  1014 
  1015     #enable gles
  1016     if(VIDEO_OPENGLES)
  1017       set(SDL_VIDEO_OPENGL_EGL 1)
  1018       set(HAVE_VIDEO_OPENGLES TRUE)
  1019       set(SDL_VIDEO_OPENGL_ES2 1)
  1020       set(SDL_VIDEO_RENDER_OGL_ES2 1)
  1021     endif()
  1022   endif()
  1023 
  1024 elseif(UNIX AND NOT APPLE AND NOT ANDROID)
  1025   if(SDL_AUDIO)
  1026     if(SYSV5 OR SOLARIS OR HPUX)
  1027         set(SDL_AUDIO_DRIVER_SUNAUDIO 1)
  1028         file(GLOB SUN_AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/sun/*.c)
  1029         set(SOURCE_FILES ${SOURCE_FILES} ${SUN_AUDIO_SOURCES})
  1030         set(HAVE_SDL_AUDIO TRUE)
  1031     elseif(NETBSD)
  1032         set(SDL_AUDIO_DRIVER_NETBSD 1)
  1033         file(GLOB NETBSD_AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/netbsd/*.c)
  1034         set(SOURCE_FILES ${SOURCE_FILES} ${NETBSD_AUDIO_SOURCES})
  1035         set(HAVE_SDL_AUDIO TRUE)
  1036     elseif(AIX)
  1037         set(SDL_AUDIO_DRIVER_PAUDIO 1)
  1038         file(GLOB AIX_AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/paudio/*.c)
  1039         set(SOURCE_FILES ${SOURCE_FILES} ${AIX_AUDIO_SOURCES})
  1040         set(HAVE_SDL_AUDIO TRUE)
  1041     endif()
  1042     CheckOSS()
  1043     CheckALSA()
  1044     CheckJACK()
  1045     CheckPulseAudio()
  1046     CheckESD()
  1047     CheckARTS()
  1048     CheckNAS()
  1049     CheckSNDIO()
  1050     CheckFusionSound()
  1051     CheckLibSampleRate()
  1052   endif()
  1053 
  1054   if(SDL_VIDEO)
  1055     # Need to check for Raspberry PI first and add platform specific compiler flags, otherwise the test for GLES fails!
  1056     CheckRPI()
  1057     CheckX11()
  1058     CheckDirectFB()
  1059     CheckOpenGLX11()
  1060     CheckOpenGLESX11()
  1061     CheckWayland()
  1062     CheckVivante()
  1063     CheckKMSDRM()
  1064   endif()
  1065 
  1066   if(UNIX)
  1067     file(GLOB CORE_UNIX_SOURCES ${SDL2_SOURCE_DIR}/src/core/unix/*.c)
  1068     set(SOURCE_FILES ${SOURCE_FILES} ${CORE_UNIX_SOURCES})
  1069   endif()
  1070 
  1071   if(LINUX)
  1072     check_c_source_compiles("
  1073         #include <linux/input.h>
  1074         #ifndef EVIOCGNAME
  1075         #error EVIOCGNAME() ioctl not available
  1076         #endif
  1077         int main(int argc, char** argv) {}" HAVE_INPUT_EVENTS)
  1078 
  1079     check_c_source_compiles("
  1080         #include <linux/kd.h>
  1081         #include <linux/keyboard.h>
  1082 
  1083         int main(int argc, char **argv)
  1084         {
  1085             struct kbentry kbe;
  1086             kbe.kb_table = KG_CTRL;
  1087             ioctl(0, KDGKBENT, &kbe);
  1088         }" HAVE_INPUT_KD)
  1089 
  1090     file(GLOB CORE_LINUX_SOURCES ${SDL2_SOURCE_DIR}/src/core/linux/*.c)
  1091     set(SOURCE_FILES ${SOURCE_FILES} ${CORE_LINUX_SOURCES})
  1092 
  1093     if(HAVE_INPUT_EVENTS)
  1094       set(SDL_INPUT_LINUXEV 1)
  1095     endif()
  1096 
  1097     if(SDL_HAPTIC AND HAVE_INPUT_EVENTS)
  1098       set(SDL_HAPTIC_LINUX 1)
  1099       file(GLOB HAPTIC_SOURCES ${SDL2_SOURCE_DIR}/src/haptic/linux/*.c)
  1100       set(SOURCE_FILES ${SOURCE_FILES} ${HAPTIC_SOURCES})
  1101       set(HAVE_SDL_HAPTIC TRUE)
  1102     endif()
  1103 
  1104     if(HAVE_INPUT_KD)
  1105       set(SDL_INPUT_LINUXKD 1)
  1106     endif()
  1107 
  1108     check_include_file("libudev.h" HAVE_LIBUDEV_H)
  1109 
  1110     if(PKG_CONFIG_FOUND)
  1111       pkg_search_module(DBUS dbus-1 dbus)
  1112       if(DBUS_FOUND)
  1113         set(HAVE_DBUS_DBUS_H TRUE)
  1114         include_directories(${DBUS_INCLUDE_DIRS})
  1115         list(APPEND EXTRA_LIBS ${DBUS_LIBRARIES})
  1116       endif()
  1117 
  1118       pkg_search_module(IBUS ibus-1.0 ibus)
  1119       if(IBUS_FOUND)
  1120         set(HAVE_IBUS_IBUS_H TRUE)
  1121         include_directories(${IBUS_INCLUDE_DIRS})
  1122         list(APPEND EXTRA_LIBS ${IBUS_LIBRARIES})
  1123         add_definitions(-DSDL_USE_IME)
  1124       endif()
  1125       if(HAVE_LIBUNWIND_H)
  1126         # We've already found the header, so REQUIRE the lib to be present
  1127         pkg_search_module(UNWIND REQUIRED libunwind)
  1128         pkg_search_module(UNWIND_GENERIC REQUIRED libunwind-generic)
  1129         list(APPEND EXTRA_LIBS ${UNWIND_LIBRARIES} ${UNWIND_GENERIC_LIBRARIES})
  1130       endif()
  1131     endif()
  1132 
  1133     check_include_file("fcitx/frontend.h" HAVE_FCITX_FRONTEND_H)
  1134   endif()
  1135 
  1136   if(INPUT_TSLIB)
  1137     check_c_source_compiles("
  1138         #include \"tslib.h\"
  1139         int main(int argc, char** argv) { }" HAVE_INPUT_TSLIB)
  1140     if(HAVE_INPUT_TSLIB)
  1141       set(SDL_INPUT_TSLIB 1)
  1142       list(APPEND EXTRA_LIBS ts)
  1143     endif()
  1144   endif()
  1145 
  1146   if(SDL_JOYSTICK)
  1147     if(FREEBSD OR NETBSD OR OPENBSD OR BSDI)
  1148       CheckUSBHID()
  1149     endif()
  1150     CheckHIDAPI()
  1151     if(LINUX AND NOT ANDROID)
  1152       set(SDL_JOYSTICK_LINUX 1)
  1153       file(GLOB JOYSTICK_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/linux/*.c ${SDL2_SOURCE_DIR}/src/joystick/steam/*.c)
  1154       set(SOURCE_FILES ${SOURCE_FILES} ${JOYSTICK_SOURCES})
  1155       set(HAVE_SDL_JOYSTICK TRUE)
  1156     endif()
  1157   endif()
  1158 
  1159   CheckPTHREAD()
  1160 
  1161   if(CLOCK_GETTIME)
  1162     check_library_exists(rt clock_gettime "" FOUND_CLOCK_GETTIME)
  1163     if(FOUND_CLOCK_GETTIME)
  1164       list(APPEND EXTRA_LIBS rt)
  1165       set(HAVE_CLOCK_GETTIME 1)
  1166     else()
  1167       check_library_exists(c clock_gettime "" FOUND_CLOCK_GETTIME)
  1168       if(FOUND_CLOCK_GETTIME)
  1169         set(HAVE_CLOCK_GETTIME 1)
  1170       endif()
  1171     endif()
  1172   endif()
  1173 
  1174   check_include_file(linux/version.h HAVE_LINUX_VERSION_H)
  1175   if(HAVE_LINUX_VERSION_H)
  1176     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DHAVE_LINUX_VERSION_H")
  1177   endif()
  1178 
  1179   if(SDL_POWER)
  1180     if(LINUX)
  1181       set(SDL_POWER_LINUX 1)
  1182       file(GLOB POWER_SOURCES ${SDL2_SOURCE_DIR}/src/power/linux/*.c)
  1183       set(SOURCE_FILES ${SOURCE_FILES} ${POWER_SOURCES})
  1184       set(HAVE_SDL_POWER TRUE)
  1185     endif()
  1186   endif()
  1187 
  1188   if(SDL_FILESYSTEM)
  1189     set(SDL_FILESYSTEM_UNIX 1)
  1190     file(GLOB FILESYSTEM_SOURCES ${SDL2_SOURCE_DIR}/src/filesystem/unix/*.c)
  1191     set(SOURCE_FILES ${SOURCE_FILES} ${FILESYSTEM_SOURCES})
  1192     set(HAVE_SDL_FILESYSTEM TRUE)
  1193   endif()
  1194 
  1195   if(SDL_TIMERS)
  1196     set(SDL_TIMER_UNIX 1)
  1197     file(GLOB TIMER_SOURCES ${SDL2_SOURCE_DIR}/src/timer/unix/*.c)
  1198     set(SOURCE_FILES ${SOURCE_FILES} ${TIMER_SOURCES})
  1199     set(HAVE_SDL_TIMERS TRUE)
  1200   endif()
  1201 
  1202   if(RPATH)
  1203     set(SDL_RLD_FLAGS "")
  1204     if(BSDI OR FREEBSD OR LINUX OR NETBSD)
  1205       set(CMAKE_REQUIRED_FLAGS "-Wl,--enable-new-dtags")
  1206       check_c_compiler_flag("" HAVE_ENABLE_NEW_DTAGS)
  1207       set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS})
  1208       if(HAVE_ENABLE_NEW_DTAGS)
  1209         set(SDL_RLD_FLAGS "-Wl,-rpath,\${libdir} -Wl,--enable-new-dtags")
  1210       else()
  1211         set(SDL_RLD_FLAGS "-Wl,-rpath,\${libdir}")
  1212       endif()
  1213     elseif(SOLARIS)
  1214       set(SDL_RLD_FLAGS "-R\${libdir}")
  1215     endif()
  1216     set(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE)
  1217     set(HAVE_RPATH TRUE)
  1218   endif()
  1219 
  1220 elseif(WINDOWS)
  1221   find_program(WINDRES windres)
  1222 
  1223   check_c_source_compiles("
  1224     #include <windows.h>
  1225     int main(int argc, char **argv) { }" HAVE_WIN32_CC)
  1226 
  1227   file(GLOB CORE_SOURCES ${SDL2_SOURCE_DIR}/src/core/windows/*.c)
  1228   set(SOURCE_FILES ${SOURCE_FILES} ${CORE_SOURCES})
  1229 
  1230   if(MSVC)
  1231     # Prevent codegen that would use the VC runtime libraries.
  1232     set_property(DIRECTORY . APPEND PROPERTY COMPILE_OPTIONS "/GS-")
  1233     if(NOT ARCH_64)
  1234       set_property(DIRECTORY . APPEND PROPERTY COMPILE_OPTIONS "/arch:SSE")
  1235     endif()
  1236   endif()
  1237 
  1238   # Check for DirectX
  1239   if(DIRECTX)
  1240     if(DEFINED MSVC_VERSION AND NOT ${MSVC_VERSION} LESS 1700)
  1241         set(USE_WINSDK_DIRECTX TRUE)
  1242     endif()
  1243     if(NOT CMAKE_COMPILER_IS_MINGW AND NOT USE_WINSDK_DIRECTX)
  1244       if("$ENV{DXSDK_DIR}" STREQUAL "")
  1245         message_error("DIRECTX requires the \$DXSDK_DIR environment variable to be set")
  1246       endif()
  1247       set(CMAKE_REQUIRED_FLAGS "/I\"$ENV{DXSDK_DIR}\\Include\"")
  1248     endif()
  1249 
  1250     if(HAVE_WIN32_CC)
  1251       # xinput.h may need windows.h, but doesn't include it itself.
  1252       check_c_source_compiles("
  1253         #include <windows.h>
  1254         #include <xinput.h>
  1255         int main(int argc, char **argv) { }" HAVE_XINPUT_H)
  1256       check_c_source_compiles("
  1257         #include <windows.h>
  1258         #include <xinput.h>
  1259         XINPUT_GAMEPAD_EX x1;
  1260         int main(int argc, char **argv) { }" HAVE_XINPUT_GAMEPAD_EX)
  1261       check_c_source_compiles("
  1262         #include <windows.h>
  1263         #include <xinput.h>
  1264         XINPUT_STATE_EX s1;
  1265         int main(int argc, char **argv) { }" HAVE_XINPUT_STATE_EX)
  1266     else()
  1267       check_include_file(xinput.h HAVE_XINPUT_H)
  1268     endif()
  1269 
  1270     check_include_file(d3d9.h HAVE_D3D_H)
  1271     check_include_file(d3d11_1.h HAVE_D3D11_H)
  1272     check_include_file(ddraw.h HAVE_DDRAW_H)
  1273     check_include_file(dsound.h HAVE_DSOUND_H)
  1274     check_include_file(dinput.h HAVE_DINPUT_H)
  1275     check_include_file(dxgi.h HAVE_DXGI_H)
  1276     if(HAVE_D3D_H OR HAVE_D3D11_H OR HAVE_DDRAW_H OR HAVE_DSOUND_H OR HAVE_DINPUT_H)
  1277       set(HAVE_DIRECTX TRUE)
  1278       if(NOT CMAKE_COMPILER_IS_MINGW AND NOT USE_WINSDK_DIRECTX)
  1279       # TODO: change $ENV{DXSDL_DIR} to get the path from the include checks
  1280         link_directories($ENV{DXSDK_DIR}\\lib\\${PROCESSOR_ARCH})
  1281         include_directories($ENV{DXSDK_DIR}\\Include)
  1282       endif()
  1283     endif()
  1284     set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS})
  1285   endif()
  1286 
  1287   # headers needed elsewhere ...
  1288   check_include_file(mmdeviceapi.h HAVE_MMDEVICEAPI_H)
  1289   check_include_file(audioclient.h HAVE_AUDIOCLIENT_H)
  1290   check_include_file(endpointvolume.h HAVE_ENDPOINTVOLUME_H)
  1291 
  1292   if(SDL_AUDIO)
  1293     set(SDL_AUDIO_DRIVER_WINMM 1)
  1294     file(GLOB WINMM_AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/winmm/*.c)
  1295     set(SOURCE_FILES ${SOURCE_FILES} ${WINMM_AUDIO_SOURCES})
  1296     set(HAVE_SDL_AUDIO TRUE)
  1297 
  1298     if(HAVE_DSOUND_H)
  1299       set(SDL_AUDIO_DRIVER_DSOUND 1)
  1300       file(GLOB DSOUND_AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/directsound/*.c)
  1301       set(SOURCE_FILES ${SOURCE_FILES} ${DSOUND_AUDIO_SOURCES})
  1302     endif()
  1303 
  1304     if(WASAPI AND HAVE_AUDIOCLIENT_H AND HAVE_MMDEVICEAPI_H)
  1305       set(SDL_AUDIO_DRIVER_WASAPI 1)
  1306       file(GLOB WASAPI_AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/wasapi/*.c)
  1307       set(SOURCE_FILES ${SOURCE_FILES} ${WASAPI_AUDIO_SOURCES})
  1308     endif()
  1309   endif()
  1310 
  1311   if(SDL_VIDEO)
  1312     # requires SDL_LOADSO on Windows (IME, DX, etc.)
  1313     if(NOT SDL_LOADSO)
  1314       message_error("SDL_VIDEO requires SDL_LOADSO, which is not enabled")
  1315     endif()
  1316     set(SDL_VIDEO_DRIVER_WINDOWS 1)
  1317     file(GLOB WIN_VIDEO_SOURCES ${SDL2_SOURCE_DIR}/src/video/windows/*.c)
  1318     set(SOURCE_FILES ${SOURCE_FILES} ${WIN_VIDEO_SOURCES})
  1319 
  1320     if(RENDER_D3D AND HAVE_D3D_H)
  1321       set(SDL_VIDEO_RENDER_D3D 1)
  1322       set(HAVE_RENDER_D3D TRUE)
  1323     endif()
  1324     if(RENDER_D3D AND HAVE_D3D11_H)
  1325       set(SDL_VIDEO_RENDER_D3D11 1)
  1326       set(HAVE_RENDER_D3D TRUE)
  1327     endif()
  1328     set(HAVE_SDL_VIDEO TRUE)
  1329   endif()
  1330 
  1331   if(SDL_THREADS)
  1332     set(SDL_THREAD_WINDOWS 1)
  1333     set(SOURCE_FILES ${SOURCE_FILES}
  1334       ${SDL2_SOURCE_DIR}/src/thread/windows/SDL_sysmutex.c
  1335       ${SDL2_SOURCE_DIR}/src/thread/windows/SDL_syssem.c
  1336       ${SDL2_SOURCE_DIR}/src/thread/windows/SDL_systhread.c
  1337       ${SDL2_SOURCE_DIR}/src/thread/windows/SDL_systls.c
  1338       ${SDL2_SOURCE_DIR}/src/thread/generic/SDL_syscond.c)
  1339     set(HAVE_SDL_THREADS TRUE)
  1340   endif()
  1341 
  1342   if(SDL_POWER)
  1343     set(SDL_POWER_WINDOWS 1)
  1344     set(SOURCE_FILES ${SOURCE_FILES} ${SDL2_SOURCE_DIR}/src/power/windows/SDL_syspower.c)
  1345     set(HAVE_SDL_POWER TRUE)
  1346   endif()
  1347 
  1348   if(SDL_FILESYSTEM)
  1349     set(SDL_FILESYSTEM_WINDOWS 1)
  1350     file(GLOB FILESYSTEM_SOURCES ${SDL2_SOURCE_DIR}/src/filesystem/windows/*.c)
  1351     set(SOURCE_FILES ${SOURCE_FILES} ${FILESYSTEM_SOURCES})
  1352     set(HAVE_SDL_FILESYSTEM TRUE)
  1353   endif()
  1354 
  1355   # Libraries for Win32 native and MinGW
  1356   list(APPEND EXTRA_LIBS user32 gdi32 winmm imm32 ole32 oleaut32 version uuid advapi32 setupapi shell32)
  1357 
  1358   # TODO: in configure.ac the check for timers is set on
  1359   # cygwin | mingw32* - does this include mingw32CE?
  1360   if(SDL_TIMERS)
  1361     set(SDL_TIMER_WINDOWS 1)
  1362     file(GLOB TIMER_SOURCES ${SDL2_SOURCE_DIR}/src/timer/windows/*.c)
  1363     set(SOURCE_FILES ${SOURCE_FILES} ${TIMER_SOURCES})
  1364     set(HAVE_SDL_TIMERS TRUE)
  1365   endif()
  1366 
  1367   if(SDL_LOADSO)
  1368     set(SDL_LOADSO_WINDOWS 1)
  1369     file(GLOB LOADSO_SOURCES ${SDL2_SOURCE_DIR}/src/loadso/windows/*.c)
  1370     set(SOURCE_FILES ${SOURCE_FILES} ${LOADSO_SOURCES})
  1371     set(HAVE_SDL_LOADSO TRUE)
  1372   endif()
  1373 
  1374   file(GLOB CORE_SOURCES ${SDL2_SOURCE_DIR}/src/core/windows/*.c)
  1375   set(SOURCE_FILES ${SOURCE_FILES} ${CORE_SOURCES})
  1376 
  1377   if(SDL_VIDEO)
  1378     if(VIDEO_OPENGL)
  1379       set(SDL_VIDEO_OPENGL 1)
  1380       set(SDL_VIDEO_OPENGL_WGL 1)
  1381       set(SDL_VIDEO_RENDER_OGL 1)
  1382       set(HAVE_VIDEO_OPENGL TRUE)
  1383     endif()
  1384 
  1385     if(VIDEO_OPENGLES)
  1386       set(SDL_VIDEO_OPENGL_EGL 1)
  1387       set(SDL_VIDEO_OPENGL_ES2 1)
  1388       set(SDL_VIDEO_RENDER_OGL_ES2 1)
  1389       set(HAVE_VIDEO_OPENGLES TRUE)
  1390     endif()
  1391   endif()
  1392 
  1393   if(SDL_JOYSTICK)
  1394     CheckHIDAPI()
  1395     # TODO: Remove this hid.c block when SDL_hidapi.c is supported on Windows!
  1396     if(HAVE_HIDAPI)
  1397       set(SOURCE_FILES ${SOURCE_FILES} ${SDL2_SOURCE_DIR}/src/hidapi/windows/hid.c)
  1398     endif()
  1399     file(GLOB JOYSTICK_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/windows/*.c)
  1400     set(SOURCE_FILES ${SOURCE_FILES} ${JOYSTICK_SOURCES})
  1401     if(HAVE_DINPUT_H)
  1402       set(SDL_JOYSTICK_DINPUT 1)
  1403       list(APPEND EXTRA_LIBS dinput8)
  1404       if(CMAKE_COMPILER_IS_MINGW)
  1405         list(APPEND EXTRA_LIBS dxerr8)
  1406       elseif (NOT USE_WINSDK_DIRECTX)
  1407         list(APPEND EXTRA_LIBS dxerr)
  1408       endif()
  1409     endif()
  1410     if(HAVE_XINPUT_H)
  1411       set(SDL_JOYSTICK_XINPUT 1)
  1412     endif()
  1413     if(NOT HAVE_DINPUT_H AND NOT HAVE_XINPUT_H)
  1414       set(SDL_JOYSTICK_WINMM 1)
  1415     endif()
  1416     set(HAVE_SDL_JOYSTICK TRUE)
  1417 
  1418     if(SDL_HAPTIC)
  1419       if(HAVE_DINPUT_H OR HAVE_XINPUT_H)
  1420         file(GLOB HAPTIC_SOURCES ${SDL2_SOURCE_DIR}/src/haptic/windows/*.c)
  1421         if(HAVE_DINPUT_H)
  1422           set(SDL_HAPTIC_DINPUT 1)
  1423         endif()
  1424         if(HAVE_XINPUT_H)
  1425           set(SDL_HAPTIC_XINPUT 1)
  1426         endif()
  1427       else()
  1428         file(GLOB HAPTIC_SOURCES ${SDL2_SOURCE_DIR}/src/haptic/dummy/*.c)
  1429         set(SDL_HAPTIC_DUMMY 1)
  1430       endif()
  1431       set(SOURCE_FILES ${SOURCE_FILES} ${HAPTIC_SOURCES})
  1432       set(HAVE_SDL_HAPTIC TRUE)
  1433     endif()
  1434   endif()
  1435 
  1436   file(GLOB VERSION_SOURCES ${SDL2_SOURCE_DIR}/src/main/windows/*.rc)
  1437   file(GLOB SDLMAIN_SOURCES ${SDL2_SOURCE_DIR}/src/main/windows/*.c)
  1438   if(MINGW OR CYGWIN)
  1439     list(APPEND EXTRA_LIBS mingw32)
  1440     list(APPEND EXTRA_LDFLAGS "-mwindows")
  1441     set(SDL_CFLAGS "${SDL_CFLAGS} -Dmain=SDL_main")
  1442     list(APPEND SDL_LIBS "-lmingw32" "-lSDL2main" "-mwindows")
  1443   endif()
  1444 
  1445 elseif(APPLE)
  1446   # TODO: rework this all for proper MacOS X, iOS and Darwin support
  1447 
  1448   # We always need these libs on macOS at the moment.
  1449   # !!! FIXME: we need Carbon for some very old API calls in
  1450   # !!! FIXME:  src/video/cocoa/SDL_cocoakeyboard.c, but we should figure out
  1451   # !!! FIXME:  how to dump those.
  1452   if(NOT IOS)
  1453     set(SDL_FRAMEWORK_COCOA 1)
  1454     set(SDL_FRAMEWORK_CARBON 1)
  1455   endif()
  1456 
  1457   # Requires the darwin file implementation
  1458   if(SDL_FILE)
  1459     file(GLOB EXTRA_SOURCES ${SDL2_SOURCE_DIR}/src/file/cocoa/*.m)
  1460     set(SOURCE_FILES ${EXTRA_SOURCES} ${SOURCE_FILES})
  1461     # !!! FIXME: modern CMake doesn't need "LANGUAGE C" for Objective-C.
  1462     set_source_files_properties(${EXTRA_SOURCES} PROPERTIES LANGUAGE C)
  1463     set(HAVE_SDL_FILE TRUE)
  1464     # !!! FIXME: why is COREVIDEO inside this if() block?
  1465     set(SDL_FRAMEWORK_COREVIDEO 1)
  1466   else()
  1467     message_error("SDL_FILE must be enabled to build on MacOS X")
  1468   endif()
  1469 
  1470   if(SDL_AUDIO)
  1471     set(SDL_AUDIO_DRIVER_COREAUDIO 1)
  1472     file(GLOB AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/coreaudio/*.m)
  1473     # !!! FIXME: modern CMake doesn't need "LANGUAGE C" for Objective-C.
  1474     set_source_files_properties(${AUDIO_SOURCES} PROPERTIES LANGUAGE C)
  1475     set(SOURCE_FILES ${SOURCE_FILES} ${AUDIO_SOURCES})
  1476     set(HAVE_SDL_AUDIO TRUE)
  1477     set(SDL_FRAMEWORK_COREAUDIO 1)
  1478     set(SDL_FRAMEWORK_AUDIOTOOLBOX 1)
  1479   endif()
  1480 
  1481   if(SDL_JOYSTICK)
  1482     CheckHIDAPI()
  1483     if(HAVE_HIDAPI)
  1484       if(IOS)
  1485         set(SOURCE_FILES ${SOURCE_FILES} ${SDL2_SOURCE_DIR}/src/hidapi/ios/hid.m)
  1486       endif()
  1487     endif()
  1488     set(SDL_JOYSTICK_IOKIT 1)
  1489     if (IOS)
  1490       file(GLOB JOYSTICK_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/iphoneos/*.m ${SDL2_SOURCE_DIR}/src/joystick/steam/*.c)
  1491     else()
  1492       file(GLOB JOYSTICK_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/darwin/*.c)
  1493     endif()
  1494     set(SOURCE_FILES ${SOURCE_FILES} ${JOYSTICK_SOURCES})
  1495     set(HAVE_SDL_JOYSTICK TRUE)
  1496     set(SDL_FRAMEWORK_IOKIT 1)
  1497     set(SDL_FRAMEWORK_FF 1)
  1498   endif()
  1499 
  1500   if(SDL_HAPTIC)
  1501     set(SDL_HAPTIC_IOKIT 1)
  1502     if (IOS)
  1503       file(GLOB HAPTIC_SOURCES ${SDL2_SOURCE_DIR}/src/haptic/dummy/*.c)
  1504       set(SDL_HAPTIC_DUMMY 1)
  1505     else()
  1506       file(GLOB HAPTIC_SOURCES ${SDL2_SOURCE_DIR}/src/haptic/darwin/*.c)
  1507     endif()
  1508     set(SOURCE_FILES ${SOURCE_FILES} ${HAPTIC_SOURCES})
  1509     set(HAVE_SDL_HAPTIC TRUE)
  1510     set(SDL_FRAMEWORK_IOKIT 1)
  1511     set(SDL_FRAMEWORK_FF 1)
  1512     if(NOT SDL_JOYSTICK)
  1513       message(FATAL_ERROR "SDL_HAPTIC requires SDL_JOYSTICK to be enabled")
  1514     endif()
  1515   endif()
  1516 
  1517   if(SDL_POWER)
  1518     set(SDL_POWER_MACOSX 1)
  1519     if (IOS)
  1520       file(GLOB POWER_SOURCES ${SDL2_SOURCE_DIR}/src/power/uikit/*.m)
  1521     else()
  1522       file(GLOB POWER_SOURCES ${SDL2_SOURCE_DIR}/src/power/macosx/*.c)
  1523     endif()
  1524     set(SOURCE_FILES ${SOURCE_FILES} ${POWER_SOURCES})
  1525     set(HAVE_SDL_POWER TRUE)
  1526     set(SDL_FRAMEWORK_IOKIT 1)
  1527   endif()
  1528 
  1529   if(SDL_TIMERS)
  1530     set(SDL_TIMER_UNIX 1)
  1531     file(GLOB TIMER_SOURCES ${SDL2_SOURCE_DIR}/src/timer/unix/*.c)
  1532     set(SOURCE_FILES ${SOURCE_FILES} ${TIMER_SOURCES})
  1533     set(HAVE_SDL_TIMERS TRUE)
  1534   endif(SDL_TIMERS)
  1535 
  1536   if(SDL_FILESYSTEM)
  1537     set(SDL_FILESYSTEM_COCOA 1)
  1538     file(GLOB FILESYSTEM_SOURCES ${SDL2_SOURCE_DIR}/src/filesystem/cocoa/*.m)
  1539     # !!! FIXME: modern CMake doesn't need "LANGUAGE C" for Objective-C.
  1540     set_source_files_properties(${FILESYSTEM_SOURCES} PROPERTIES LANGUAGE C)
  1541     set(SOURCE_FILES ${SOURCE_FILES} ${FILESYSTEM_SOURCES})
  1542     set(HAVE_SDL_FILESYSTEM TRUE)
  1543   endif()
  1544 
  1545   # iOS hack needed - http://code.google.com/p/ios-cmake/ ?
  1546   if(SDL_VIDEO)
  1547     if (IOS)
  1548       set(SDL_VIDEO_DRIVER_UIKIT 1)
  1549       file(GLOB UIKITVIDEO_SOURCES ${SDL2_SOURCE_DIR}/src/video/uikit/*.m)
  1550       set(SOURCE_FILES ${SOURCE_FILES} ${UIKITVIDEO_SOURCES})
  1551     else()
  1552       CheckCOCOA()
  1553       if(VIDEO_OPENGL)
  1554         set(SDL_VIDEO_OPENGL 1)
  1555         set(SDL_VIDEO_OPENGL_CGL 1)
  1556         set(SDL_VIDEO_RENDER_OGL 1)
  1557         set(HAVE_VIDEO_OPENGL TRUE)
  1558       endif()
  1559 
  1560       if(VIDEO_OPENGLES)
  1561         set(SDL_VIDEO_OPENGL_EGL 1)
  1562         set(SDL_VIDEO_OPENGL_ES2 1)
  1563         set(SDL_VIDEO_RENDER_OGL_ES2 1)
  1564         set(HAVE_VIDEO_OPENGLES TRUE)
  1565       endif()
  1566     endif()
  1567     
  1568     if(VIDEO_VULKAN OR VIDEO_METAL OR RENDER_METAL)
  1569       set(ORIG_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
  1570       set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -x objective-c")
  1571       check_c_source_compiles("
  1572         #include <AvailabilityMacros.h>
  1573         #import <Metal/Metal.h>
  1574         #import <QuartzCore/CAMetalLayer.h>
  1575 
  1576         #if TARGET_OS_SIMULATOR || (!TARGET_CPU_X86_64 && !TARGET_CPU_ARM64)
  1577         #error Metal doesn't work on this configuration
  1578         #endif
  1579         int main()
  1580         {
  1581             return 0;
  1582         }
  1583         " HAVE_FRAMEWORK_METAL)
  1584       set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS})
  1585       if(HAVE_FRAMEWORK_METAL)
  1586         set(SDL_FRAMEWORK_METAL 1)
  1587         set(SDL_FRAMEWORK_QUARTZCORE 1)
  1588       else()
  1589         set(VIDEO_VULKAN 0)
  1590         set(VIDEO_METAL 0)
  1591         set(RENDER_METAL 0)
  1592       endif()
  1593     endif()
  1594 
  1595     if(VIDEO_METAL)
  1596       set(SDL_VIDEO_METAL 1)
  1597       set(HAVE_VIDEO_METAL TRUE)
  1598     endif()
  1599 
  1600     if(RENDER_METAL)
  1601       file(GLOB RENDER_METAL_SOURCES ${SDL2_SOURCE_DIR}/src/render/metal/*.m)
  1602       set(SOURCE_FILES ${SOURCE_FILES} ${RENDER_METAL_SOURCES})
  1603       set(SDL_VIDEO_RENDER_METAL 1)
  1604       set(HAVE_RENDER_METAL TRUE)
  1605     endif()
  1606   endif()
  1607 
  1608   # Actually load the frameworks at the end so we don't duplicate include.
  1609   if(SDL_FRAMEWORK_COREVIDEO)
  1610     find_library(COREVIDEO CoreVideo)
  1611     list(APPEND EXTRA_LIBS ${COREVIDEO})
  1612   endif()
  1613   if(SDL_FRAMEWORK_COCOA)
  1614     find_library(COCOA_LIBRARY Cocoa)
  1615     list(APPEND EXTRA_LIBS ${COCOA_LIBRARY})
  1616   endif()
  1617   if(SDL_FRAMEWORK_IOKIT)
  1618     find_library(IOKIT IOKit)
  1619     list(APPEND EXTRA_LIBS ${IOKIT})
  1620   endif()
  1621   if(SDL_FRAMEWORK_FF)
  1622     find_library(FORCEFEEDBACK ForceFeedback)
  1623     list(APPEND EXTRA_LIBS ${FORCEFEEDBACK})
  1624   endif()
  1625   if(SDL_FRAMEWORK_CARBON)
  1626     find_library(CARBON_LIBRARY Carbon)
  1627     list(APPEND EXTRA_LIBS ${CARBON_LIBRARY})
  1628   endif()
  1629   if(SDL_FRAMEWORK_COREAUDIO)
  1630     find_library(COREAUDIO CoreAudio)
  1631     list(APPEND EXTRA_LIBS ${COREAUDIO})
  1632   endif()
  1633   if(SDL_FRAMEWORK_AUDIOTOOLBOX)
  1634     find_library(AUDIOTOOLBOX AudioToolbox)
  1635     list(APPEND EXTRA_LIBS ${AUDIOTOOLBOX})
  1636   endif()
  1637   if(SDL_FRAMEWORK_METAL)
  1638     if(IOS)
  1639       find_library(METAL Metal)
  1640       list(APPEND EXTRA_LIBS ${METAL})
  1641     else()
  1642       list(APPEND EXTRA_LDFLAGS "-Wl,-weak_framework,Metal")
  1643     endif()
  1644   endif()
  1645   if(SDL_FRAMEWORK_QUARTZCORE)
  1646     if(IOS)
  1647       find_library(QUARTZCORE QuartzCore)
  1648       list(APPEND EXTRA_LIBS ${QUARTZCORE})
  1649     else()
  1650       list(APPEND EXTRA_LDFLAGS "-Wl,-weak_framework,QuartzCore")
  1651     endif()
  1652   endif()
  1653 
  1654   CheckPTHREAD()
  1655 
  1656 elseif(HAIKU)
  1657   if(SDL_VIDEO)
  1658     set(SDL_VIDEO_DRIVER_HAIKU 1)
  1659     file(GLOB HAIKUVIDEO_SOURCES ${SDL2_SOURCE_DIR}/src/video/haiku/*.c)
  1660     set(SOURCE_FILES ${SOURCE_FILES} ${HAIKUVIDEO_SOURCES})
  1661     set(HAVE_SDL_VIDEO TRUE)
  1662 
  1663     set(SDL_FILESYSTEM_HAIKU 1)
  1664     file(GLOB FILESYSTEM_SOURCES ${SDL2_SOURCE_DIR}/src/filesystem/haiku/*.cc)
  1665     set(SOURCE_FILES ${SOURCE_FILES} ${FILESYSTEM_SOURCES})
  1666     set(HAVE_SDL_FILESYSTEM TRUE)
  1667 
  1668     if(SDL_TIMERS)
  1669       set(SDL_TIMER_HAIKU 1)
  1670       file(GLOB TIMER_SOURCES ${SDL2_SOURCE_DIR}/src/timer/haiku/*.c)
  1671       set(SOURCE_FILES ${SOURCE_FILES} ${TIMER_SOURCES})
  1672       set(HAVE_SDL_TIMERS TRUE)
  1673     endif(SDL_TIMERS)
  1674 
  1675     if(VIDEO_OPENGL)
  1676       # TODO: Use FIND_PACKAGE(OpenGL) instead
  1677       set(SDL_VIDEO_OPENGL 1)
  1678       set(SDL_VIDEO_OPENGL_BGL 1)
  1679       set(SDL_VIDEO_RENDER_OGL 1)
  1680       list(APPEND EXTRA_LIBS GL)
  1681       set(HAVE_VIDEO_OPENGL TRUE)
  1682     endif()
  1683   endif()
  1684 
  1685   CheckPTHREAD()
  1686 endif()
  1687 
  1688 if(VIDEO_VULKAN)
  1689   set(SDL_VIDEO_VULKAN 1)
  1690   set(HAVE_VIDEO_VULKAN TRUE)
  1691 endif()
  1692 
  1693 # Dummies
  1694 # configure.ac does it differently:
  1695 # if not have X
  1696 #   if enable_X {  SDL_X_DISABLED = 1 }
  1697 #   [add dummy sources]
  1698 # so it always adds a dummy, without checking, if it was actually requested.
  1699 # This leads to missing internal references on building, since the
  1700 # src/X/*.c does not get included.
  1701 if(NOT HAVE_SDL_JOYSTICK)
  1702   set(SDL_JOYSTICK_DUMMY 1)
  1703   if(SDL_JOYSTICK AND NOT APPLE) # results in unresolved symbols on OSX
  1704 
  1705     file(GLOB JOYSTICK_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/dummy/*.c)
  1706     set(SOURCE_FILES ${SOURCE_FILES} ${JOYSTICK_SOURCES})
  1707   endif()
  1708 endif()
  1709 if(NOT HAVE_SDL_HAPTIC)
  1710   set(SDL_HAPTIC_DUMMY 1)
  1711   file(GLOB HAPTIC_SOURCES ${SDL2_SOURCE_DIR}/src/haptic/dummy/*.c)
  1712   set(SOURCE_FILES ${SOURCE_FILES} ${HAPTIC_SOURCES})
  1713 endif()
  1714 if(NOT HAVE_SDL_SENSORS)
  1715   set(SDL_SENSOR_DUMMY 1)
  1716   file(GLOB SENSORS_SOURCES ${SDL2_SOURCE_DIR}/src/sensor/dummy/*.c)
  1717   set(SOURCE_FILES ${SOURCE_FILES} ${SENSORS_SOURCES})
  1718 endif()
  1719 if(NOT HAVE_SDL_LOADSO)
  1720   set(SDL_LOADSO_DISABLED 1)
  1721   file(GLOB LOADSO_SOURCES ${SDL2_SOURCE_DIR}/src/loadso/dummy/*.c)
  1722   set(SOURCE_FILES ${SOURCE_FILES} ${LOADSO_SOURCES})
  1723 endif()
  1724 if(NOT HAVE_SDL_FILESYSTEM)
  1725   set(SDL_FILESYSTEM_DISABLED 1)
  1726   file(GLOB FILESYSTEM_SOURCES ${SDL2_SOURCE_DIR}/src/filesystem/dummy/*.c)
  1727   set(SOURCE_FILES ${SOURCE_FILES} ${FILESYSTEM_SOURCES})
  1728 endif()
  1729 
  1730 # We always need to have threads and timers around
  1731 if(NOT HAVE_SDL_THREADS)
  1732   set(SDL_THREADS_DISABLED 1)
  1733   file(GLOB THREADS_SOURCES ${SDL2_SOURCE_DIR}/src/thread/generic/*.c)
  1734   set(SOURCE_FILES ${SOURCE_FILES} ${THREADS_SOURCES})
  1735 endif()
  1736 if(NOT HAVE_SDL_TIMERS)
  1737   set(SDL_TIMERS_DISABLED 1)
  1738   file(GLOB TIMER_SOURCES ${SDL2_SOURCE_DIR}/src/timer/dummy/*.c)
  1739   set(SOURCE_FILES ${SOURCE_FILES} ${TIMER_SOURCES})
  1740 endif()
  1741 
  1742 if(NOT SDLMAIN_SOURCES)
  1743   file(GLOB SDLMAIN_SOURCES ${SDL2_SOURCE_DIR}/src/main/dummy/*.c)
  1744 endif()
  1745 
  1746 # Append the -MMD -MT flags
  1747 # if(DEPENDENCY_TRACKING)
  1748 #   if(COMPILER_IS_GNUCC)
  1749 #     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -MMD -MT \$@")
  1750 #   endif()
  1751 # endif()
  1752 
  1753 configure_file("${SDL2_SOURCE_DIR}/include/SDL_config.h.cmake"
  1754   "${SDL2_BINARY_DIR}/include/SDL_config.h")
  1755 
  1756 # Prepare the flags and remove duplicates
  1757 if(EXTRA_LDFLAGS)
  1758   list(REMOVE_DUPLICATES EXTRA_LDFLAGS)
  1759 endif()
  1760 if(EXTRA_LIBS)
  1761   list(REMOVE_DUPLICATES EXTRA_LIBS)
  1762 endif()
  1763 if(EXTRA_CFLAGS)
  1764   list(REMOVE_DUPLICATES EXTRA_CFLAGS)
  1765 endif()
  1766 listtostr(EXTRA_CFLAGS _EXTRA_CFLAGS)
  1767 set(EXTRA_CFLAGS ${_EXTRA_CFLAGS})
  1768 
  1769 # Compat helpers for the configuration files
  1770 if(NOT WINDOWS OR CYGWIN)
  1771   # TODO: we need a Windows script, too
  1772   execute_process(COMMAND sh ${SDL2_SOURCE_DIR}/build-scripts/updaterev.sh)
  1773 
  1774   set(prefix ${CMAKE_INSTALL_PREFIX})
  1775   set(exec_prefix "\${prefix}")
  1776   set(libdir "\${exec_prefix}/lib${LIB_SUFFIX}")
  1777   set(bindir "\${exec_prefix}/bin")
  1778   set(includedir "\${prefix}/include")
  1779   if(SDL_STATIC)
  1780     set(ENABLE_STATIC_TRUE "")
  1781     set(ENABLE_STATIC_FALSE "#")
  1782   else()
  1783     set(ENABLE_STATIC_TRUE "#")
  1784     set(ENABLE_STATIC_FALSE "")
  1785   endif()
  1786   if(SDL_SHARED)
  1787     set(ENABLE_SHARED_TRUE "")
  1788     set(ENABLE_SHARED_FALSE "#")
  1789   else()
  1790     set(ENABLE_SHARED_TRUE "#")
  1791     set(ENABLE_SHARED_FALSE "")
  1792   endif()
  1793 
  1794   # Clean up the different lists
  1795   listtostr(EXTRA_LIBS _EXTRA_LIBS "-l")
  1796   set(SDL_STATIC_LIBS ${SDL_LIBS} ${EXTRA_LDFLAGS} ${_EXTRA_LIBS})
  1797   list(REMOVE_DUPLICATES SDL_STATIC_LIBS)
  1798   listtostr(SDL_STATIC_LIBS _SDL_STATIC_LIBS)
  1799   set(SDL_STATIC_LIBS ${_SDL_STATIC_LIBS})
  1800   listtostr(SDL_LIBS _SDL_LIBS)
  1801   set(SDL_LIBS ${_SDL_LIBS})
  1802 
  1803   # MESSAGE(STATUS "SDL_LIBS: ${SDL_LIBS}")
  1804   # MESSAGE(STATUS "SDL_STATIC_LIBS: ${SDL_STATIC_LIBS}")
  1805 
  1806   configure_file("${SDL2_SOURCE_DIR}/sdl2.pc.in"
  1807     "${SDL2_BINARY_DIR}/sdl2.pc" @ONLY)
  1808   configure_file("${SDL2_SOURCE_DIR}/sdl2-config.in"
  1809     "${SDL2_BINARY_DIR}/sdl2-config")
  1810   configure_file("${SDL2_SOURCE_DIR}/sdl2-config.in"
  1811     "${SDL2_BINARY_DIR}/sdl2-config" @ONLY)
  1812   configure_file("${SDL2_SOURCE_DIR}/SDL2.spec.in"
  1813     "${SDL2_BINARY_DIR}/SDL2.spec" @ONLY)
  1814 endif()
  1815 
  1816 ##### Info output #####
  1817 message(STATUS "")
  1818 message(STATUS "SDL2 was configured with the following options:")
  1819 message(STATUS "")
  1820 message(STATUS "Platform: ${CMAKE_SYSTEM}")
  1821 message(STATUS "64-bit:   ${ARCH_64}")
  1822 message(STATUS "Compiler: ${CMAKE_C_COMPILER}")
  1823 message(STATUS "")
  1824 message(STATUS "Subsystems:")
  1825 foreach(_SUB ${SDL_SUBSYSTEMS})
  1826   string(TOUPPER ${_SUB} _OPT)
  1827   message_bool_option(${_SUB} SDL_${_OPT})
  1828 endforeach()
  1829 message(STATUS "")
  1830 message(STATUS "Options:")
  1831 list(SORT ALLOPTIONS)
  1832 foreach(_OPT ${ALLOPTIONS})
  1833   # Longest option is VIDEO_X11_XSCREENSAVER = 22 characters
  1834   # Get the padding
  1835   string(LENGTH ${_OPT} _OPTLEN)
  1836   math(EXPR _PADLEN "23 - ${_OPTLEN}")
  1837   string(RANDOM LENGTH ${_PADLEN} ALPHABET " " _PADDING)
  1838   message_tested_option(${_OPT} ${_PADDING})
  1839 endforeach()
  1840 message(STATUS "")
  1841 message(STATUS " CFLAGS:        ${CMAKE_C_FLAGS}")
  1842 message(STATUS " EXTRA_CFLAGS:  ${EXTRA_CFLAGS}")
  1843 message(STATUS " EXTRA_LDFLAGS: ${EXTRA_LDFLAGS}")
  1844 message(STATUS " EXTRA_LIBS:    ${EXTRA_LIBS}")
  1845 message(STATUS "")
  1846 message(STATUS " Build Shared Library: ${SDL_SHARED}")
  1847 message(STATUS " Build Static Library: ${SDL_STATIC}")
  1848 if(SDL_STATIC)
  1849     message(STATUS " Build Static Library with Position Independent Code: ${SDL_STATIC_PIC}")
  1850 endif()
  1851 message(STATUS "")
  1852 if(UNIX)
  1853   message(STATUS "If something was not detected, although the libraries")
  1854   message(STATUS "were installed, then make sure you have set the")
  1855   message(STATUS "CFLAGS and LDFLAGS environment variables correctly.")
  1856   message(STATUS "")
  1857 endif()
  1858 
  1859 # Ensure that the extra cflags are used at compile time
  1860 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_CFLAGS}")
  1861 
  1862 # Always build SDLmain
  1863 add_library(SDL2main STATIC ${SDLMAIN_SOURCES})
  1864 target_include_directories(SDL2main PUBLIC "$<BUILD_INTERFACE:${SDL2_SOURCE_DIR}/include>" $<INSTALL_INTERFACE:include/SDL2>)
  1865 set(_INSTALL_LIBS "SDL2main")
  1866 if (NOT ANDROID)
  1867   set_target_properties(SDL2main PROPERTIES DEBUG_POSTFIX ${SDL_CMAKE_DEBUG_POSTFIX})
  1868 endif()
  1869 
  1870 if (ANDROID AND HAVE_HIDAPI)
  1871   set(_INSTALL_LIBS ${_INSTALL_LIBS} "hidapi")
  1872 endif()
  1873 
  1874 if(SDL_SHARED)
  1875   add_library(SDL2 SHARED ${SOURCE_FILES} ${VERSION_SOURCES})
  1876   if(APPLE)
  1877     set_target_properties(SDL2 PROPERTIES
  1878       MACOSX_RPATH 1
  1879       OUTPUT_NAME "SDL2-${LT_RELEASE}")
  1880   elseif(UNIX AND NOT ANDROID)
  1881     set_target_properties(SDL2 PROPERTIES
  1882       VERSION ${LT_VERSION}
  1883       SOVERSION ${LT_REVISION}
  1884       OUTPUT_NAME "SDL2-${LT_RELEASE}")
  1885   else()
  1886     set_target_properties(SDL2 PROPERTIES
  1887       VERSION ${SDL_VERSION}
  1888       SOVERSION ${LT_REVISION}
  1889       OUTPUT_NAME "SDL2")
  1890   endif()
  1891   if(MSVC AND NOT LIBC)
  1892     # Don't try to link with the default set of libraries.
  1893     set_target_properties(SDL2 PROPERTIES LINK_FLAGS_RELEASE "/NODEFAULTLIB")
  1894     set_target_properties(SDL2 PROPERTIES LINK_FLAGS_DEBUG "/NODEFAULTLIB")
  1895     set_target_properties(SDL2 PROPERTIES STATIC_LIBRARY_FLAGS "/NODEFAULTLIB")
  1896   endif()
  1897   set(_INSTALL_LIBS "SDL2" ${_INSTALL_LIBS})
  1898   target_link_libraries(SDL2 ${EXTRA_LIBS} ${EXTRA_LDFLAGS})
  1899   target_include_directories(SDL2 PUBLIC "$<BUILD_INTERFACE:${SDL2_SOURCE_DIR}/include>" $<INSTALL_INTERFACE:include/SDL2>)
  1900   if (NOT ANDROID)
  1901     set_target_properties(SDL2 PROPERTIES DEBUG_POSTFIX ${SDL_CMAKE_DEBUG_POSTFIX})
  1902   endif()
  1903 endif()
  1904 
  1905 if(ANDROID)
  1906   if(HAVE_HIDAPI)
  1907     add_library(hidapi SHARED ${SDL2_SOURCE_DIR}/src/hidapi/android/hid.cpp)
  1908   endif()
  1909 
  1910   if(MSVC AND NOT LIBC)
  1911     # Don't try to link with the default set of libraries.
  1912     set_target_properties(hidapi PROPERTIES LINK_FLAGS_RELEASE "/NODEFAULTLIB")
  1913     set_target_properties(hidapi PROPERTIES LINK_FLAGS_DEBUG "/NODEFAULTLIB")
  1914     set_target_properties(hidapi PROPERTIES STATIC_LIBRARY_FLAGS "/NODEFAULTLIB")
  1915   endif()
  1916   if(HAVE_HIDAPI)
  1917     target_link_libraries(hidapi log)
  1918   endif()
  1919 endif()
  1920 
  1921 if(SDL_STATIC)
  1922   set (BUILD_SHARED_LIBS FALSE)
  1923   add_library(SDL2-static STATIC ${SOURCE_FILES})
  1924   if (NOT SDL_SHARED OR NOT WIN32)
  1925     set_target_properties(SDL2-static PROPERTIES OUTPUT_NAME "SDL2")
  1926     # Note: Apparently, OUTPUT_NAME must really be unique; even when
  1927     # CMAKE_IMPORT_LIBRARY_SUFFIX or the like are given. Otherwise
  1928     # the static build may race with the import lib and one will get
  1929     # clobbered, when the suffix is realized via subsequent rename.
  1930   endif()
  1931   set_target_properties(SDL2-static PROPERTIES POSITION_INDEPENDENT_CODE ${SDL_STATIC_PIC})
  1932   if(MSVC AND NOT LIBC)
  1933     set_target_properties(SDL2-static PROPERTIES LINK_FLAGS_RELEASE "/NODEFAULTLIB")
  1934     set_target_properties(SDL2-static PROPERTIES LINK_FLAGS_DEBUG "/NODEFAULTLIB")
  1935     set_target_properties(SDL2-static PROPERTIES STATIC_LIBRARY_FLAGS "/NODEFAULTLIB")
  1936   endif()
  1937   # TODO: Win32 platforms keep the same suffix .lib for import and static
  1938   # libraries - do we need to consider this?
  1939   set(_INSTALL_LIBS "SDL2-static" ${_INSTALL_LIBS})
  1940   target_link_libraries(SDL2-static ${EXTRA_LIBS} ${EXTRA_LDFLAGS})
  1941   target_include_directories(SDL2-static PUBLIC "$<BUILD_INTERFACE:${SDL2_SOURCE_DIR}/include>" $<INSTALL_INTERFACE:include/SDL2>)
  1942   if (NOT ANDROID)
  1943     set_target_properties(SDL2-static PROPERTIES DEBUG_POSTFIX ${SDL_CMAKE_DEBUG_POSTFIX})
  1944   endif()
  1945 endif()
  1946 
  1947 ##### Tests #####
  1948 
  1949 if(SDL_TEST)
  1950   file(GLOB TEST_SOURCES ${SDL2_SOURCE_DIR}/src/test/*.c)
  1951   add_library(SDL2_test STATIC ${TEST_SOURCES})
  1952 
  1953   add_subdirectory(test)
  1954 endif()
  1955 
  1956 ##### Installation targets #####
  1957 install(TARGETS ${_INSTALL_LIBS} EXPORT SDL2Targets
  1958   LIBRARY DESTINATION "lib${LIB_SUFFIX}"
  1959   ARCHIVE DESTINATION "lib${LIB_SUFFIX}"
  1960   RUNTIME DESTINATION bin)
  1961 
  1962 ##### Export files #####
  1963 if (WINDOWS)
  1964   set(PKG_PREFIX "cmake")
  1965 else ()
  1966   set(PKG_PREFIX "lib/cmake/SDL2")
  1967 endif ()
  1968 
  1969 include(CMakePackageConfigHelpers)
  1970 write_basic_package_version_file("${CMAKE_BINARY_DIR}/SDL2ConfigVersion.cmake"
  1971   VERSION ${SDL_VERSION}
  1972   COMPATIBILITY AnyNewerVersion
  1973 )
  1974 
  1975 install(EXPORT SDL2Targets
  1976   FILE SDL2Targets.cmake
  1977   NAMESPACE SDL2::
  1978   DESTINATION ${PKG_PREFIX}
  1979 )
  1980 install(
  1981   FILES
  1982     ${CMAKE_CURRENT_SOURCE_DIR}/SDL2Config.cmake
  1983     ${CMAKE_BINARY_DIR}/SDL2ConfigVersion.cmake
  1984   DESTINATION ${PKG_PREFIX}
  1985   COMPONENT Devel
  1986 )
  1987 
  1988 file(GLOB INCLUDE_FILES ${SDL2_SOURCE_DIR}/include/*.h)
  1989 file(GLOB BIN_INCLUDE_FILES ${SDL2_BINARY_DIR}/include/*.h)
  1990 foreach(_FNAME ${BIN_INCLUDE_FILES})
  1991   get_filename_component(_INCNAME ${_FNAME} NAME)
  1992   list(REMOVE_ITEM INCLUDE_FILES ${SDL2_SOURCE_DIR}/include/${_INCNAME})
  1993 endforeach()
  1994 list(APPEND INCLUDE_FILES ${BIN_INCLUDE_FILES})
  1995 install(FILES ${INCLUDE_FILES} DESTINATION include/SDL2)
  1996 
  1997 string(TOUPPER "${CMAKE_BUILD_TYPE}" UPPER_BUILD_TYPE)
  1998 if (UPPER_BUILD_TYPE MATCHES DEBUG)
  1999   set(SOPOSTFIX "${SDL_CMAKE_DEBUG_POSTFIX}")
  2000 else()
  2001   set(SOPOSTFIX "")
  2002 endif()
  2003 
  2004 if(NOT (WINDOWS OR CYGWIN))
  2005   if(SDL_SHARED)
  2006     set(SOEXT ${CMAKE_SHARED_LIBRARY_SUFFIX}) # ".so", ".dylib", etc.
  2007     get_target_property(SONAME SDL2 OUTPUT_NAME)
  2008     if(NOT ANDROID)
  2009         install(CODE "
  2010           execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink
  2011             \"lib${SONAME}${SOPOSTFIX}${SOEXT}\" \"libSDL2${SOPOSTFIX}${SOEXT}\"
  2012             WORKING_DIRECTORY \"${SDL2_BINARY_DIR}\")")
  2013         install(FILES ${SDL2_BINARY_DIR}/libSDL2${SOPOSTFIX}${SOEXT} DESTINATION "lib${LIB_SUFFIX}")
  2014     endif()
  2015   endif()
  2016   if(FREEBSD)
  2017     # FreeBSD uses ${PREFIX}/libdata/pkgconfig
  2018     install(FILES ${SDL2_BINARY_DIR}/sdl2.pc DESTINATION "libdata/pkgconfig")
  2019   else()
  2020     install(FILES ${SDL2_BINARY_DIR}/sdl2.pc
  2021       DESTINATION "lib${LIB_SUFFIX}/pkgconfig")
  2022   endif()
  2023   install(PROGRAMS ${SDL2_BINARY_DIR}/sdl2-config DESTINATION bin)
  2024   # TODO: what about the .spec file? Is it only needed for RPM creation?
  2025   install(FILES "${SDL2_SOURCE_DIR}/sdl2.m4" DESTINATION "${CMAKE_INSTALL_FULL_DATAROOTDIR}/aclocal")
  2026 endif()
  2027 
  2028 ##### Uninstall target #####
  2029 
  2030 if(NOT TARGET uninstall)
  2031   configure_file(
  2032       "${CMAKE_CURRENT_SOURCE_DIR}/cmake_uninstall.cmake.in"
  2033       "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
  2034       IMMEDIATE @ONLY)
  2035 
  2036   add_custom_target(uninstall
  2037       COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake)
  2038 endif()