CMakeLists.txt
author Ozkan Sezer <sezeroz@gmail.com>
Fri, 23 Aug 2019 03:01:10 +0300
changeset 13033 70bf772a32d7
parent 13006 4a410f099040
permissions -rw-r--r--
fix permissions
     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     #enable gles
   937     if(VIDEO_OPENGLES)
   938       set(SDL_VIDEO_OPENGL_EGL 1)
   939       set(HAVE_VIDEO_OPENGLES TRUE)
   940       set(SDL_VIDEO_OPENGL_ES 1)
   941       set(SDL_VIDEO_RENDER_OGL_ES 1)
   942       set(SDL_VIDEO_OPENGL_ES2 1)
   943       set(SDL_VIDEO_RENDER_OGL_ES2 1)
   944 
   945       find_library(OpenGLES1_LIBRARY GLESv1_CM)
   946       find_library(OpenGLES2_LIBRARY GLESv2)
   947       list(APPEND EXTRA_LIBS ${OpenGLES1_LIBRARY} ${OpenGLES2_LIBRARY})
   948     endif()
   949 
   950     CHECK_C_SOURCE_COMPILES("
   951     #if defined(__ARM_ARCH) && __ARM_ARCH < 7
   952     #error Vulkan doesn't work on this configuration
   953     #endif
   954     int main()
   955     {
   956         return 0;
   957     }
   958     " VULKAN_PASSED_ANDROID_CHECKS)
   959     if(NOT VULKAN_PASSED_ANDROID_CHECKS)
   960       set(VIDEO_VULKAN OFF)
   961       message(STATUS "Vulkan doesn't work on this configuration")
   962     endif()
   963   endif()
   964 
   965   CheckPTHREAD()
   966 
   967 elseif(EMSCRIPTEN)
   968   # Hide noisy warnings that intend to aid mostly during initial stages of porting a new
   969   # project. Uncomment at will for verbose cross-compiling -I/../ path info.
   970   add_definitions(-Wno-warn-absolute-paths)
   971   if(SDL_AUDIO)
   972     set(SDL_AUDIO_DRIVER_EMSCRIPTEN 1)
   973     file(GLOB EM_AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/emscripten/*.c)
   974     set(SOURCE_FILES ${SOURCE_FILES} ${EM_AUDIO_SOURCES})
   975     set(HAVE_SDL_AUDIO TRUE)
   976   endif()
   977   if(SDL_FILESYSTEM)
   978     set(SDL_FILESYSTEM_EMSCRIPTEN 1)
   979     file(GLOB EM_FILESYSTEM_SOURCES ${SDL2_SOURCE_DIR}/src/filesystem/emscripten/*.c)
   980     set(SOURCE_FILES ${SOURCE_FILES} ${EM_FILESYSTEM_SOURCES})
   981     set(HAVE_SDL_FILESYSTEM TRUE)
   982   endif()
   983   if(SDL_JOYSTICK)
   984     set(SDL_JOYSTICK_EMSCRIPTEN 1)
   985     file(GLOB EM_JOYSTICK_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/emscripten/*.c)
   986     set(SOURCE_FILES ${SOURCE_FILES} ${EM_JOYSTICK_SOURCES})
   987     set(HAVE_SDL_JOYSTICK TRUE)
   988   endif()
   989   if(SDL_POWER)
   990     set(SDL_POWER_EMSCRIPTEN 1)
   991     file(GLOB EM_POWER_SOURCES ${SDL2_SOURCE_DIR}/src/power/emscripten/*.c)
   992     set(SOURCE_FILES ${SOURCE_FILES} ${EM_POWER_SOURCES})
   993     set(HAVE_SDL_POWER TRUE)
   994   endif()
   995   if(SDL_TIMERS)
   996     set(SDL_TIMER_UNIX 1)
   997     file(GLOB TIMER_SOURCES ${SDL2_SOURCE_DIR}/src/timer/unix/*.c)
   998     set(SOURCE_FILES ${SOURCE_FILES} ${TIMER_SOURCES})
   999     set(HAVE_SDL_TIMERS TRUE)
  1000 
  1001     if(CLOCK_GETTIME)
  1002       set(HAVE_CLOCK_GETTIME 1)
  1003     endif()
  1004   endif()
  1005   if(SDL_VIDEO)
  1006     set(SDL_VIDEO_DRIVER_EMSCRIPTEN 1)
  1007     file(GLOB EM_VIDEO_SOURCES ${SDL2_SOURCE_DIR}/src/video/emscripten/*.c)
  1008     set(SOURCE_FILES ${SOURCE_FILES} ${EM_VIDEO_SOURCES})
  1009     set(HAVE_SDL_VIDEO TRUE)
  1010 
  1011     #enable gles
  1012     if(VIDEO_OPENGLES)
  1013       set(SDL_VIDEO_OPENGL_EGL 1)
  1014       set(HAVE_VIDEO_OPENGLES TRUE)
  1015       set(SDL_VIDEO_OPENGL_ES2 1)
  1016       set(SDL_VIDEO_RENDER_OGL_ES2 1)
  1017     endif()
  1018   endif()
  1019 
  1020 elseif(UNIX AND NOT APPLE AND NOT ANDROID)
  1021   if(SDL_AUDIO)
  1022     if(SYSV5 OR SOLARIS OR HPUX)
  1023         set(SDL_AUDIO_DRIVER_SUNAUDIO 1)
  1024         file(GLOB SUN_AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/sun/*.c)
  1025         set(SOURCE_FILES ${SOURCE_FILES} ${SUN_AUDIO_SOURCES})
  1026         set(HAVE_SDL_AUDIO TRUE)
  1027     elseif(NETBSD)
  1028         set(SDL_AUDIO_DRIVER_NETBSD 1)
  1029         file(GLOB NETBSD_AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/netbsd/*.c)
  1030         set(SOURCE_FILES ${SOURCE_FILES} ${NETBSD_AUDIO_SOURCES})
  1031         set(HAVE_SDL_AUDIO TRUE)
  1032     elseif(AIX)
  1033         set(SDL_AUDIO_DRIVER_PAUDIO 1)
  1034         file(GLOB AIX_AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/paudio/*.c)
  1035         set(SOURCE_FILES ${SOURCE_FILES} ${AIX_AUDIO_SOURCES})
  1036         set(HAVE_SDL_AUDIO TRUE)
  1037     endif()
  1038     CheckOSS()
  1039     CheckALSA()
  1040     CheckJACK()
  1041     CheckPulseAudio()
  1042     CheckESD()
  1043     CheckARTS()
  1044     CheckNAS()
  1045     CheckSNDIO()
  1046     CheckFusionSound()
  1047     CheckLibSampleRate()
  1048   endif()
  1049 
  1050   if(SDL_VIDEO)
  1051     # Need to check for Raspberry PI first and add platform specific compiler flags, otherwise the test for GLES fails!
  1052     CheckRPI()
  1053     CheckX11()
  1054     CheckDirectFB()
  1055     CheckOpenGLX11()
  1056     CheckOpenGLESX11()
  1057     CheckWayland()
  1058     CheckVivante()
  1059     CheckKMSDRM()
  1060   endif()
  1061 
  1062   if(UNIX)
  1063     file(GLOB CORE_UNIX_SOURCES ${SDL2_SOURCE_DIR}/src/core/unix/*.c)
  1064     set(SOURCE_FILES ${SOURCE_FILES} ${CORE_UNIX_SOURCES})
  1065   endif()
  1066 
  1067   if(LINUX)
  1068     check_c_source_compiles("
  1069         #include <linux/input.h>
  1070         #ifndef EVIOCGNAME
  1071         #error EVIOCGNAME() ioctl not available
  1072         #endif
  1073         int main(int argc, char** argv) {}" HAVE_INPUT_EVENTS)
  1074 
  1075     check_c_source_compiles("
  1076         #include <linux/kd.h>
  1077         #include <linux/keyboard.h>
  1078 
  1079         int main(int argc, char **argv)
  1080         {
  1081             struct kbentry kbe;
  1082             kbe.kb_table = KG_CTRL;
  1083             ioctl(0, KDGKBENT, &kbe);
  1084         }" HAVE_INPUT_KD)
  1085 
  1086     file(GLOB CORE_LINUX_SOURCES ${SDL2_SOURCE_DIR}/src/core/linux/*.c)
  1087     set(SOURCE_FILES ${SOURCE_FILES} ${CORE_LINUX_SOURCES})
  1088 
  1089     if(HAVE_INPUT_EVENTS)
  1090       set(SDL_INPUT_LINUXEV 1)
  1091     endif()
  1092 
  1093     if(SDL_HAPTIC AND HAVE_INPUT_EVENTS)
  1094       set(SDL_HAPTIC_LINUX 1)
  1095       file(GLOB HAPTIC_SOURCES ${SDL2_SOURCE_DIR}/src/haptic/linux/*.c)
  1096       set(SOURCE_FILES ${SOURCE_FILES} ${HAPTIC_SOURCES})
  1097       set(HAVE_SDL_HAPTIC TRUE)
  1098     endif()
  1099 
  1100     if(HAVE_INPUT_KD)
  1101       set(SDL_INPUT_LINUXKD 1)
  1102     endif()
  1103 
  1104     check_include_file("libudev.h" HAVE_LIBUDEV_H)
  1105 
  1106     if(PKG_CONFIG_FOUND)
  1107       pkg_search_module(DBUS dbus-1 dbus)
  1108       if(DBUS_FOUND)
  1109         set(HAVE_DBUS_DBUS_H TRUE)
  1110         include_directories(${DBUS_INCLUDE_DIRS})
  1111         list(APPEND EXTRA_LIBS ${DBUS_LIBRARIES})
  1112       endif()
  1113 
  1114       pkg_search_module(IBUS ibus-1.0 ibus)
  1115       if(IBUS_FOUND)
  1116         set(HAVE_IBUS_IBUS_H TRUE)
  1117         include_directories(${IBUS_INCLUDE_DIRS})
  1118         list(APPEND EXTRA_LIBS ${IBUS_LIBRARIES})
  1119         add_definitions(-DSDL_USE_IME)
  1120       endif()
  1121       if(HAVE_LIBUNWIND_H)
  1122         # We've already found the header, so REQUIRE the lib to be present
  1123         pkg_search_module(UNWIND REQUIRED libunwind)
  1124         pkg_search_module(UNWIND_GENERIC REQUIRED libunwind-generic)
  1125         list(APPEND EXTRA_LIBS ${UNWIND_LIBRARIES} ${UNWIND_GENERIC_LIBRARIES})
  1126       endif()
  1127     endif()
  1128 
  1129     check_include_file("fcitx/frontend.h" HAVE_FCITX_FRONTEND_H)
  1130   endif()
  1131 
  1132   if(INPUT_TSLIB)
  1133     check_c_source_compiles("
  1134         #include \"tslib.h\"
  1135         int main(int argc, char** argv) { }" HAVE_INPUT_TSLIB)
  1136     if(HAVE_INPUT_TSLIB)
  1137       set(SDL_INPUT_TSLIB 1)
  1138       list(APPEND EXTRA_LIBS ts)
  1139     endif()
  1140   endif()
  1141 
  1142   if(SDL_JOYSTICK)
  1143     if(FREEBSD OR NETBSD OR OPENBSD OR BSDI)
  1144       CheckUSBHID()
  1145     endif()
  1146     CheckHIDAPI()
  1147     if(LINUX AND NOT ANDROID)
  1148       set(SDL_JOYSTICK_LINUX 1)
  1149       file(GLOB JOYSTICK_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/linux/*.c ${SDL2_SOURCE_DIR}/src/joystick/steam/*.c)
  1150       set(SOURCE_FILES ${SOURCE_FILES} ${JOYSTICK_SOURCES})
  1151       set(HAVE_SDL_JOYSTICK TRUE)
  1152     endif()
  1153   endif()
  1154 
  1155   CheckPTHREAD()
  1156 
  1157   if(CLOCK_GETTIME)
  1158     check_library_exists(rt clock_gettime "" FOUND_CLOCK_GETTIME)
  1159     if(FOUND_CLOCK_GETTIME)
  1160       list(APPEND EXTRA_LIBS rt)
  1161       set(HAVE_CLOCK_GETTIME 1)
  1162     else()
  1163       check_library_exists(c clock_gettime "" FOUND_CLOCK_GETTIME)
  1164       if(FOUND_CLOCK_GETTIME)
  1165         set(HAVE_CLOCK_GETTIME 1)
  1166       endif()
  1167     endif()
  1168   endif()
  1169 
  1170   check_include_file(linux/version.h HAVE_LINUX_VERSION_H)
  1171   if(HAVE_LINUX_VERSION_H)
  1172     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DHAVE_LINUX_VERSION_H")
  1173   endif()
  1174 
  1175   if(SDL_POWER)
  1176     if(LINUX)
  1177       set(SDL_POWER_LINUX 1)
  1178       file(GLOB POWER_SOURCES ${SDL2_SOURCE_DIR}/src/power/linux/*.c)
  1179       set(SOURCE_FILES ${SOURCE_FILES} ${POWER_SOURCES})
  1180       set(HAVE_SDL_POWER TRUE)
  1181     endif()
  1182   endif()
  1183 
  1184   if(SDL_FILESYSTEM)
  1185     set(SDL_FILESYSTEM_UNIX 1)
  1186     file(GLOB FILESYSTEM_SOURCES ${SDL2_SOURCE_DIR}/src/filesystem/unix/*.c)
  1187     set(SOURCE_FILES ${SOURCE_FILES} ${FILESYSTEM_SOURCES})
  1188     set(HAVE_SDL_FILESYSTEM TRUE)
  1189   endif()
  1190 
  1191   if(SDL_TIMERS)
  1192     set(SDL_TIMER_UNIX 1)
  1193     file(GLOB TIMER_SOURCES ${SDL2_SOURCE_DIR}/src/timer/unix/*.c)
  1194     set(SOURCE_FILES ${SOURCE_FILES} ${TIMER_SOURCES})
  1195     set(HAVE_SDL_TIMERS TRUE)
  1196   endif()
  1197 
  1198   if(RPATH)
  1199     set(SDL_RLD_FLAGS "")
  1200     if(BSDI OR FREEBSD OR LINUX OR NETBSD)
  1201       set(CMAKE_REQUIRED_FLAGS "-Wl,--enable-new-dtags")
  1202       check_c_compiler_flag("" HAVE_ENABLE_NEW_DTAGS)
  1203       set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS})
  1204       if(HAVE_ENABLE_NEW_DTAGS)
  1205         set(SDL_RLD_FLAGS "-Wl,-rpath,\${libdir} -Wl,--enable-new-dtags")
  1206       else()
  1207         set(SDL_RLD_FLAGS "-Wl,-rpath,\${libdir}")
  1208       endif()
  1209     elseif(SOLARIS)
  1210       set(SDL_RLD_FLAGS "-R\${libdir}")
  1211     endif()
  1212     set(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE)
  1213     set(HAVE_RPATH TRUE)
  1214   endif()
  1215 
  1216 elseif(WINDOWS)
  1217   find_program(WINDRES windres)
  1218 
  1219   check_c_source_compiles("
  1220     #include <windows.h>
  1221     int main(int argc, char **argv) { }" HAVE_WIN32_CC)
  1222 
  1223   file(GLOB CORE_SOURCES ${SDL2_SOURCE_DIR}/src/core/windows/*.c)
  1224   set(SOURCE_FILES ${SOURCE_FILES} ${CORE_SOURCES})
  1225 
  1226   if(MSVC)
  1227     # Prevent codegen that would use the VC runtime libraries.
  1228     set_property(DIRECTORY . APPEND PROPERTY COMPILE_OPTIONS "/GS-")
  1229     if(NOT ARCH_64)
  1230       set_property(DIRECTORY . APPEND PROPERTY COMPILE_OPTIONS "/arch:SSE")
  1231     endif()
  1232   endif()
  1233 
  1234   # Check for DirectX
  1235   if(DIRECTX)
  1236     if(DEFINED MSVC_VERSION AND NOT ${MSVC_VERSION} LESS 1700)
  1237         set(USE_WINSDK_DIRECTX TRUE)
  1238     endif()
  1239     if(NOT CMAKE_COMPILER_IS_MINGW AND NOT USE_WINSDK_DIRECTX)
  1240       if("$ENV{DXSDK_DIR}" STREQUAL "")
  1241         message_error("DIRECTX requires the \$DXSDK_DIR environment variable to be set")
  1242       endif()
  1243       set(CMAKE_REQUIRED_FLAGS "/I\"$ENV{DXSDK_DIR}\\Include\"")
  1244     endif()
  1245 
  1246     if(HAVE_WIN32_CC)
  1247       # xinput.h may need windows.h, but doesn't include it itself.
  1248       check_c_source_compiles("
  1249         #include <windows.h>
  1250         #include <xinput.h>
  1251         int main(int argc, char **argv) { }" HAVE_XINPUT_H)
  1252       check_c_source_compiles("
  1253         #include <windows.h>
  1254         #include <xinput.h>
  1255         XINPUT_GAMEPAD_EX x1;
  1256         int main(int argc, char **argv) { }" HAVE_XINPUT_GAMEPAD_EX)
  1257       check_c_source_compiles("
  1258         #include <windows.h>
  1259         #include <xinput.h>
  1260         XINPUT_STATE_EX s1;
  1261         int main(int argc, char **argv) { }" HAVE_XINPUT_STATE_EX)
  1262     else()
  1263       check_include_file(xinput.h HAVE_XINPUT_H)
  1264     endif()
  1265 
  1266     check_include_file(d3d9.h HAVE_D3D_H)
  1267     check_include_file(d3d11_1.h HAVE_D3D11_H)
  1268     check_include_file(ddraw.h HAVE_DDRAW_H)
  1269     check_include_file(dsound.h HAVE_DSOUND_H)
  1270     check_include_file(dinput.h HAVE_DINPUT_H)
  1271     check_include_file(dxgi.h HAVE_DXGI_H)
  1272     if(HAVE_D3D_H OR HAVE_D3D11_H OR HAVE_DDRAW_H OR HAVE_DSOUND_H OR HAVE_DINPUT_H)
  1273       set(HAVE_DIRECTX TRUE)
  1274       if(NOT CMAKE_COMPILER_IS_MINGW AND NOT USE_WINSDK_DIRECTX)
  1275       # TODO: change $ENV{DXSDL_DIR} to get the path from the include checks
  1276         link_directories($ENV{DXSDK_DIR}\\lib\\${PROCESSOR_ARCH})
  1277         include_directories($ENV{DXSDK_DIR}\\Include)
  1278       endif()
  1279     endif()
  1280     set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS})
  1281   endif()
  1282 
  1283   # headers needed elsewhere ...
  1284   check_include_file(mmdeviceapi.h HAVE_MMDEVICEAPI_H)
  1285   check_include_file(audioclient.h HAVE_AUDIOCLIENT_H)
  1286   check_include_file(endpointvolume.h HAVE_ENDPOINTVOLUME_H)
  1287 
  1288   if(SDL_AUDIO)
  1289     set(SDL_AUDIO_DRIVER_WINMM 1)
  1290     file(GLOB WINMM_AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/winmm/*.c)
  1291     set(SOURCE_FILES ${SOURCE_FILES} ${WINMM_AUDIO_SOURCES})
  1292     set(HAVE_SDL_AUDIO TRUE)
  1293 
  1294     if(HAVE_DSOUND_H)
  1295       set(SDL_AUDIO_DRIVER_DSOUND 1)
  1296       file(GLOB DSOUND_AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/directsound/*.c)
  1297       set(SOURCE_FILES ${SOURCE_FILES} ${DSOUND_AUDIO_SOURCES})
  1298     endif()
  1299 
  1300     if(WASAPI AND HAVE_AUDIOCLIENT_H AND HAVE_MMDEVICEAPI_H)
  1301       set(SDL_AUDIO_DRIVER_WASAPI 1)
  1302       file(GLOB WASAPI_AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/wasapi/*.c)
  1303       set(SOURCE_FILES ${SOURCE_FILES} ${WASAPI_AUDIO_SOURCES})
  1304     endif()
  1305   endif()
  1306 
  1307   if(SDL_VIDEO)
  1308     # requires SDL_LOADSO on Windows (IME, DX, etc.)
  1309     if(NOT SDL_LOADSO)
  1310       message_error("SDL_VIDEO requires SDL_LOADSO, which is not enabled")
  1311     endif()
  1312     set(SDL_VIDEO_DRIVER_WINDOWS 1)
  1313     file(GLOB WIN_VIDEO_SOURCES ${SDL2_SOURCE_DIR}/src/video/windows/*.c)
  1314     set(SOURCE_FILES ${SOURCE_FILES} ${WIN_VIDEO_SOURCES})
  1315 
  1316     if(RENDER_D3D AND HAVE_D3D_H)
  1317       set(SDL_VIDEO_RENDER_D3D 1)
  1318       set(HAVE_RENDER_D3D TRUE)
  1319     endif()
  1320     if(RENDER_D3D AND HAVE_D3D11_H)
  1321       set(SDL_VIDEO_RENDER_D3D11 1)
  1322       set(HAVE_RENDER_D3D TRUE)
  1323     endif()
  1324     set(HAVE_SDL_VIDEO TRUE)
  1325   endif()
  1326 
  1327   if(SDL_THREADS)
  1328     set(SDL_THREAD_WINDOWS 1)
  1329     set(SOURCE_FILES ${SOURCE_FILES}
  1330       ${SDL2_SOURCE_DIR}/src/thread/windows/SDL_sysmutex.c
  1331       ${SDL2_SOURCE_DIR}/src/thread/windows/SDL_syssem.c
  1332       ${SDL2_SOURCE_DIR}/src/thread/windows/SDL_systhread.c
  1333       ${SDL2_SOURCE_DIR}/src/thread/windows/SDL_systls.c
  1334       ${SDL2_SOURCE_DIR}/src/thread/generic/SDL_syscond.c)
  1335     set(HAVE_SDL_THREADS TRUE)
  1336   endif()
  1337 
  1338   if(SDL_POWER)
  1339     set(SDL_POWER_WINDOWS 1)
  1340     set(SOURCE_FILES ${SOURCE_FILES} ${SDL2_SOURCE_DIR}/src/power/windows/SDL_syspower.c)
  1341     set(HAVE_SDL_POWER TRUE)
  1342   endif()
  1343 
  1344   if(SDL_FILESYSTEM)
  1345     set(SDL_FILESYSTEM_WINDOWS 1)
  1346     file(GLOB FILESYSTEM_SOURCES ${SDL2_SOURCE_DIR}/src/filesystem/windows/*.c)
  1347     set(SOURCE_FILES ${SOURCE_FILES} ${FILESYSTEM_SOURCES})
  1348     set(HAVE_SDL_FILESYSTEM TRUE)
  1349   endif()
  1350 
  1351   # Libraries for Win32 native and MinGW
  1352   list(APPEND EXTRA_LIBS user32 gdi32 winmm imm32 ole32 oleaut32 version uuid advapi32 setupapi shell32)
  1353 
  1354   # TODO: in configure.ac the check for timers is set on
  1355   # cygwin | mingw32* - does this include mingw32CE?
  1356   if(SDL_TIMERS)
  1357     set(SDL_TIMER_WINDOWS 1)
  1358     file(GLOB TIMER_SOURCES ${SDL2_SOURCE_DIR}/src/timer/windows/*.c)
  1359     set(SOURCE_FILES ${SOURCE_FILES} ${TIMER_SOURCES})
  1360     set(HAVE_SDL_TIMERS TRUE)
  1361   endif()
  1362 
  1363   if(SDL_LOADSO)
  1364     set(SDL_LOADSO_WINDOWS 1)
  1365     file(GLOB LOADSO_SOURCES ${SDL2_SOURCE_DIR}/src/loadso/windows/*.c)
  1366     set(SOURCE_FILES ${SOURCE_FILES} ${LOADSO_SOURCES})
  1367     set(HAVE_SDL_LOADSO TRUE)
  1368   endif()
  1369 
  1370   file(GLOB CORE_SOURCES ${SDL2_SOURCE_DIR}/src/core/windows/*.c)
  1371   set(SOURCE_FILES ${SOURCE_FILES} ${CORE_SOURCES})
  1372 
  1373   if(SDL_VIDEO)
  1374     if(VIDEO_OPENGL)
  1375       set(SDL_VIDEO_OPENGL 1)
  1376       set(SDL_VIDEO_OPENGL_WGL 1)
  1377       set(SDL_VIDEO_RENDER_OGL 1)
  1378       set(HAVE_VIDEO_OPENGL TRUE)
  1379     endif()
  1380 
  1381     if(VIDEO_OPENGLES)
  1382       set(SDL_VIDEO_OPENGL_EGL 1)
  1383       set(SDL_VIDEO_OPENGL_ES2 1)
  1384       set(SDL_VIDEO_RENDER_OGL_ES2 1)
  1385       set(HAVE_VIDEO_OPENGLES TRUE)
  1386     endif()
  1387   endif()
  1388 
  1389   if(SDL_JOYSTICK)
  1390     CheckHIDAPI()
  1391     # TODO: Remove this hid.c block when SDL_hidapi.c is supported on Windows!
  1392     if(HAVE_HIDAPI)
  1393       set(SOURCE_FILES ${SOURCE_FILES} ${SDL2_SOURCE_DIR}/src/hidapi/windows/hid.c)
  1394     endif()
  1395     file(GLOB JOYSTICK_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/windows/*.c)
  1396     set(SOURCE_FILES ${SOURCE_FILES} ${JOYSTICK_SOURCES})
  1397     if(HAVE_DINPUT_H)
  1398       set(SDL_JOYSTICK_DINPUT 1)
  1399       list(APPEND EXTRA_LIBS dinput8)
  1400       if(CMAKE_COMPILER_IS_MINGW)
  1401         list(APPEND EXTRA_LIBS dxerr8)
  1402       elseif (NOT USE_WINSDK_DIRECTX)
  1403         list(APPEND EXTRA_LIBS dxerr)
  1404       endif()
  1405     endif()
  1406     if(HAVE_XINPUT_H)
  1407       set(SDL_JOYSTICK_XINPUT 1)
  1408     endif()
  1409     if(NOT HAVE_DINPUT_H AND NOT HAVE_XINPUT_H)
  1410       set(SDL_JOYSTICK_WINMM 1)
  1411     endif()
  1412     set(HAVE_SDL_JOYSTICK TRUE)
  1413 
  1414     if(SDL_HAPTIC)
  1415       if(HAVE_DINPUT_H OR HAVE_XINPUT_H)
  1416         file(GLOB HAPTIC_SOURCES ${SDL2_SOURCE_DIR}/src/haptic/windows/*.c)
  1417         if(HAVE_DINPUT_H)
  1418           set(SDL_HAPTIC_DINPUT 1)
  1419         endif()
  1420         if(HAVE_XINPUT_H)
  1421           set(SDL_HAPTIC_XINPUT 1)
  1422         endif()
  1423       else()
  1424         file(GLOB HAPTIC_SOURCES ${SDL2_SOURCE_DIR}/src/haptic/dummy/*.c)
  1425         set(SDL_HAPTIC_DUMMY 1)
  1426       endif()
  1427       set(SOURCE_FILES ${SOURCE_FILES} ${HAPTIC_SOURCES})
  1428       set(HAVE_SDL_HAPTIC TRUE)
  1429     endif()
  1430   endif()
  1431 
  1432   file(GLOB VERSION_SOURCES ${SDL2_SOURCE_DIR}/src/main/windows/*.rc)
  1433   file(GLOB SDLMAIN_SOURCES ${SDL2_SOURCE_DIR}/src/main/windows/*.c)
  1434   if(MINGW OR CYGWIN)
  1435     list(APPEND EXTRA_LIBS mingw32)
  1436     list(APPEND EXTRA_LDFLAGS "-mwindows")
  1437     set(SDL_CFLAGS "${SDL_CFLAGS} -Dmain=SDL_main")
  1438     list(APPEND SDL_LIBS "-lmingw32" "-lSDL2main" "-mwindows")
  1439   endif()
  1440 
  1441 elseif(APPLE)
  1442   # TODO: rework this all for proper MacOS X, iOS and Darwin support
  1443 
  1444   # We always need these libs on macOS at the moment.
  1445   # !!! FIXME: we need Carbon for some very old API calls in
  1446   # !!! FIXME:  src/video/cocoa/SDL_cocoakeyboard.c, but we should figure out
  1447   # !!! FIXME:  how to dump those.
  1448   if(NOT IOS)
  1449     set(SDL_FRAMEWORK_COCOA 1)
  1450     set(SDL_FRAMEWORK_CARBON 1)
  1451   endif()
  1452 
  1453   # Requires the darwin file implementation
  1454   if(SDL_FILE)
  1455     file(GLOB EXTRA_SOURCES ${SDL2_SOURCE_DIR}/src/file/cocoa/*.m)
  1456     set(SOURCE_FILES ${EXTRA_SOURCES} ${SOURCE_FILES})
  1457     # !!! FIXME: modern CMake doesn't need "LANGUAGE C" for Objective-C.
  1458     set_source_files_properties(${EXTRA_SOURCES} PROPERTIES LANGUAGE C)
  1459     set(HAVE_SDL_FILE TRUE)
  1460     # !!! FIXME: why is COREVIDEO inside this if() block?
  1461     set(SDL_FRAMEWORK_COREVIDEO 1)
  1462   else()
  1463     message_error("SDL_FILE must be enabled to build on MacOS X")
  1464   endif()
  1465 
  1466   if(SDL_AUDIO)
  1467     set(SDL_AUDIO_DRIVER_COREAUDIO 1)
  1468     file(GLOB AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/coreaudio/*.m)
  1469     # !!! FIXME: modern CMake doesn't need "LANGUAGE C" for Objective-C.
  1470     set_source_files_properties(${AUDIO_SOURCES} PROPERTIES LANGUAGE C)
  1471     set(SOURCE_FILES ${SOURCE_FILES} ${AUDIO_SOURCES})
  1472     set(HAVE_SDL_AUDIO TRUE)
  1473     set(SDL_FRAMEWORK_COREAUDIO 1)
  1474     set(SDL_FRAMEWORK_AUDIOTOOLBOX 1)
  1475   endif()
  1476 
  1477   if(SDL_JOYSTICK)
  1478     CheckHIDAPI()
  1479     if(HAVE_HIDAPI)
  1480       if(IOS)
  1481         set(SOURCE_FILES ${SOURCE_FILES} ${SDL2_SOURCE_DIR}/src/hidapi/ios/hid.m)
  1482       endif()
  1483     endif()
  1484     set(SDL_JOYSTICK_IOKIT 1)
  1485     if (IOS)
  1486       file(GLOB JOYSTICK_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/iphoneos/*.m ${SDL2_SOURCE_DIR}/src/joystick/steam/*.c)
  1487     else()
  1488       file(GLOB JOYSTICK_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/darwin/*.c)
  1489     endif()
  1490     set(SOURCE_FILES ${SOURCE_FILES} ${JOYSTICK_SOURCES})
  1491     set(HAVE_SDL_JOYSTICK TRUE)
  1492     set(SDL_FRAMEWORK_IOKIT 1)
  1493     set(SDL_FRAMEWORK_FF 1)
  1494   endif()
  1495 
  1496   if(SDL_HAPTIC)
  1497     set(SDL_HAPTIC_IOKIT 1)
  1498     if (IOS)
  1499       file(GLOB HAPTIC_SOURCES ${SDL2_SOURCE_DIR}/src/haptic/dummy/*.c)
  1500       set(SDL_HAPTIC_DUMMY 1)
  1501     else()
  1502       file(GLOB HAPTIC_SOURCES ${SDL2_SOURCE_DIR}/src/haptic/darwin/*.c)
  1503     endif()
  1504     set(SOURCE_FILES ${SOURCE_FILES} ${HAPTIC_SOURCES})
  1505     set(HAVE_SDL_HAPTIC TRUE)
  1506     set(SDL_FRAMEWORK_IOKIT 1)
  1507     set(SDL_FRAMEWORK_FF 1)
  1508     if(NOT SDL_JOYSTICK)
  1509       message(FATAL_ERROR "SDL_HAPTIC requires SDL_JOYSTICK to be enabled")
  1510     endif()
  1511   endif()
  1512 
  1513   if(SDL_POWER)
  1514     set(SDL_POWER_MACOSX 1)
  1515     if (IOS)
  1516       file(GLOB POWER_SOURCES ${SDL2_SOURCE_DIR}/src/power/uikit/*.m)
  1517     else()
  1518       file(GLOB POWER_SOURCES ${SDL2_SOURCE_DIR}/src/power/macosx/*.c)
  1519     endif()
  1520     set(SOURCE_FILES ${SOURCE_FILES} ${POWER_SOURCES})
  1521     set(HAVE_SDL_POWER TRUE)
  1522     set(SDL_FRAMEWORK_IOKIT 1)
  1523   endif()
  1524 
  1525   if(SDL_TIMERS)
  1526     set(SDL_TIMER_UNIX 1)
  1527     file(GLOB TIMER_SOURCES ${SDL2_SOURCE_DIR}/src/timer/unix/*.c)
  1528     set(SOURCE_FILES ${SOURCE_FILES} ${TIMER_SOURCES})
  1529     set(HAVE_SDL_TIMERS TRUE)
  1530   endif(SDL_TIMERS)
  1531 
  1532   if(SDL_FILESYSTEM)
  1533     set(SDL_FILESYSTEM_COCOA 1)
  1534     file(GLOB FILESYSTEM_SOURCES ${SDL2_SOURCE_DIR}/src/filesystem/cocoa/*.m)
  1535     # !!! FIXME: modern CMake doesn't need "LANGUAGE C" for Objective-C.
  1536     set_source_files_properties(${FILESYSTEM_SOURCES} PROPERTIES LANGUAGE C)
  1537     set(SOURCE_FILES ${SOURCE_FILES} ${FILESYSTEM_SOURCES})
  1538     set(HAVE_SDL_FILESYSTEM TRUE)
  1539   endif()
  1540 
  1541   # iOS hack needed - http://code.google.com/p/ios-cmake/ ?
  1542   if(SDL_VIDEO)
  1543     if (IOS)
  1544       set(SDL_VIDEO_DRIVER_UIKIT 1)
  1545       file(GLOB UIKITVIDEO_SOURCES ${SDL2_SOURCE_DIR}/src/video/uikit/*.m)
  1546       set(SOURCE_FILES ${SOURCE_FILES} ${UIKITVIDEO_SOURCES})
  1547     else()
  1548       CheckCOCOA()
  1549       if(VIDEO_OPENGL)
  1550         set(SDL_VIDEO_OPENGL 1)
  1551         set(SDL_VIDEO_OPENGL_CGL 1)
  1552         set(SDL_VIDEO_RENDER_OGL 1)
  1553         set(HAVE_VIDEO_OPENGL TRUE)
  1554       endif()
  1555 
  1556       if(VIDEO_OPENGLES)
  1557         set(SDL_VIDEO_OPENGL_EGL 1)
  1558         set(SDL_VIDEO_OPENGL_ES2 1)
  1559         set(SDL_VIDEO_RENDER_OGL_ES2 1)
  1560         set(HAVE_VIDEO_OPENGLES TRUE)
  1561       endif()
  1562     endif()
  1563     
  1564     if(VIDEO_VULKAN OR VIDEO_METAL OR RENDER_METAL)
  1565       set(ORIG_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
  1566       set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -x objective-c")
  1567       check_c_source_compiles("
  1568         #include <AvailabilityMacros.h>
  1569         #import <Metal/Metal.h>
  1570         #import <QuartzCore/CAMetalLayer.h>
  1571 
  1572         #if TARGET_OS_SIMULATOR || (!TARGET_CPU_X86_64 && !TARGET_CPU_ARM64)
  1573         #error Metal doesn't work on this configuration
  1574         #endif
  1575         int main()
  1576         {
  1577             return 0;
  1578         }
  1579         " HAVE_FRAMEWORK_METAL)
  1580       set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS})
  1581       if(HAVE_FRAMEWORK_METAL)
  1582         set(SDL_FRAMEWORK_METAL 1)
  1583         set(SDL_FRAMEWORK_QUARTZCORE 1)
  1584       else()
  1585         set(VIDEO_VULKAN 0)
  1586         set(VIDEO_METAL 0)
  1587         set(RENDER_METAL 0)
  1588       endif()
  1589     endif()
  1590 
  1591     if(VIDEO_METAL)
  1592       set(SDL_VIDEO_METAL 1)
  1593       set(HAVE_VIDEO_METAL TRUE)
  1594     endif()
  1595 
  1596     if(RENDER_METAL)
  1597       file(GLOB RENDER_METAL_SOURCES ${SDL2_SOURCE_DIR}/src/render/metal/*.m)
  1598       set(SOURCE_FILES ${SOURCE_FILES} ${RENDER_METAL_SOURCES})
  1599       set(SDL_VIDEO_RENDER_METAL 1)
  1600       set(HAVE_RENDER_METAL TRUE)
  1601     endif()
  1602   endif()
  1603 
  1604   # Actually load the frameworks at the end so we don't duplicate include.
  1605   if(SDL_FRAMEWORK_COREVIDEO)
  1606     find_library(COREVIDEO CoreVideo)
  1607     list(APPEND EXTRA_LIBS ${COREVIDEO})
  1608   endif()
  1609   if(SDL_FRAMEWORK_COCOA)
  1610     find_library(COCOA_LIBRARY Cocoa)
  1611     list(APPEND EXTRA_LIBS ${COCOA_LIBRARY})
  1612   endif()
  1613   if(SDL_FRAMEWORK_IOKIT)
  1614     find_library(IOKIT IOKit)
  1615     list(APPEND EXTRA_LIBS ${IOKIT})
  1616   endif()
  1617   if(SDL_FRAMEWORK_FF)
  1618     find_library(FORCEFEEDBACK ForceFeedback)
  1619     list(APPEND EXTRA_LIBS ${FORCEFEEDBACK})
  1620   endif()
  1621   if(SDL_FRAMEWORK_CARBON)
  1622     find_library(CARBON_LIBRARY Carbon)
  1623     list(APPEND EXTRA_LIBS ${CARBON_LIBRARY})
  1624   endif()
  1625   if(SDL_FRAMEWORK_COREAUDIO)
  1626     find_library(COREAUDIO CoreAudio)
  1627     list(APPEND EXTRA_LIBS ${COREAUDIO})
  1628   endif()
  1629   if(SDL_FRAMEWORK_AUDIOTOOLBOX)
  1630     find_library(AUDIOTOOLBOX AudioToolbox)
  1631     list(APPEND EXTRA_LIBS ${AUDIOTOOLBOX})
  1632   endif()
  1633   if(SDL_FRAMEWORK_METAL)
  1634     if(IOS)
  1635       find_library(METAL Metal)
  1636       list(APPEND EXTRA_LIBS ${METAL})
  1637     else()
  1638       list(APPEND EXTRA_LDFLAGS "-Wl,-weak_framework,Metal")
  1639     endif()
  1640   endif()
  1641   if(SDL_FRAMEWORK_QUARTZCORE)
  1642     if(IOS)
  1643       find_library(QUARTZCORE QuartzCore)
  1644       list(APPEND EXTRA_LIBS ${QUARTZCORE})
  1645     else()
  1646       list(APPEND EXTRA_LDFLAGS "-Wl,-weak_framework,QuartzCore")
  1647     endif()
  1648   endif()
  1649 
  1650   CheckPTHREAD()
  1651 
  1652 elseif(HAIKU)
  1653   if(SDL_VIDEO)
  1654     set(SDL_VIDEO_DRIVER_HAIKU 1)
  1655     file(GLOB HAIKUVIDEO_SOURCES ${SDL2_SOURCE_DIR}/src/video/haiku/*.c)
  1656     set(SOURCE_FILES ${SOURCE_FILES} ${HAIKUVIDEO_SOURCES})
  1657     set(HAVE_SDL_VIDEO TRUE)
  1658 
  1659     set(SDL_FILESYSTEM_HAIKU 1)
  1660     file(GLOB FILESYSTEM_SOURCES ${SDL2_SOURCE_DIR}/src/filesystem/haiku/*.cc)
  1661     set(SOURCE_FILES ${SOURCE_FILES} ${FILESYSTEM_SOURCES})
  1662     set(HAVE_SDL_FILESYSTEM TRUE)
  1663 
  1664     if(SDL_TIMERS)
  1665       set(SDL_TIMER_HAIKU 1)
  1666       file(GLOB TIMER_SOURCES ${SDL2_SOURCE_DIR}/src/timer/haiku/*.c)
  1667       set(SOURCE_FILES ${SOURCE_FILES} ${TIMER_SOURCES})
  1668       set(HAVE_SDL_TIMERS TRUE)
  1669     endif(SDL_TIMERS)
  1670 
  1671     if(VIDEO_OPENGL)
  1672       # TODO: Use FIND_PACKAGE(OpenGL) instead
  1673       set(SDL_VIDEO_OPENGL 1)
  1674       set(SDL_VIDEO_OPENGL_BGL 1)
  1675       set(SDL_VIDEO_RENDER_OGL 1)
  1676       list(APPEND EXTRA_LIBS GL)
  1677       set(HAVE_VIDEO_OPENGL TRUE)
  1678     endif()
  1679   endif()
  1680 
  1681   CheckPTHREAD()
  1682 endif()
  1683 
  1684 if(VIDEO_VULKAN)
  1685   set(SDL_VIDEO_VULKAN 1)
  1686   set(HAVE_VIDEO_VULKAN TRUE)
  1687 endif()
  1688 
  1689 # Dummies
  1690 # configure.ac does it differently:
  1691 # if not have X
  1692 #   if enable_X {  SDL_X_DISABLED = 1 }
  1693 #   [add dummy sources]
  1694 # so it always adds a dummy, without checking, if it was actually requested.
  1695 # This leads to missing internal references on building, since the
  1696 # src/X/*.c does not get included.
  1697 if(NOT HAVE_SDL_JOYSTICK)
  1698   set(SDL_JOYSTICK_DUMMY 1)
  1699   if(SDL_JOYSTICK AND NOT APPLE) # results in unresolved symbols on OSX
  1700 
  1701     file(GLOB JOYSTICK_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/dummy/*.c)
  1702     set(SOURCE_FILES ${SOURCE_FILES} ${JOYSTICK_SOURCES})
  1703   endif()
  1704 endif()
  1705 if(NOT HAVE_SDL_HAPTIC)
  1706   set(SDL_HAPTIC_DUMMY 1)
  1707   file(GLOB HAPTIC_SOURCES ${SDL2_SOURCE_DIR}/src/haptic/dummy/*.c)
  1708   set(SOURCE_FILES ${SOURCE_FILES} ${HAPTIC_SOURCES})
  1709 endif()
  1710 if(NOT HAVE_SDL_SENSORS)
  1711   set(SDL_SENSOR_DUMMY 1)
  1712   file(GLOB SENSORS_SOURCES ${SDL2_SOURCE_DIR}/src/sensor/dummy/*.c)
  1713   set(SOURCE_FILES ${SOURCE_FILES} ${SENSORS_SOURCES})
  1714 endif()
  1715 if(NOT HAVE_SDL_LOADSO)
  1716   set(SDL_LOADSO_DISABLED 1)
  1717   file(GLOB LOADSO_SOURCES ${SDL2_SOURCE_DIR}/src/loadso/dummy/*.c)
  1718   set(SOURCE_FILES ${SOURCE_FILES} ${LOADSO_SOURCES})
  1719 endif()
  1720 if(NOT HAVE_SDL_FILESYSTEM)
  1721   set(SDL_FILESYSTEM_DISABLED 1)
  1722   file(GLOB FILESYSTEM_SOURCES ${SDL2_SOURCE_DIR}/src/filesystem/dummy/*.c)
  1723   set(SOURCE_FILES ${SOURCE_FILES} ${FILESYSTEM_SOURCES})
  1724 endif()
  1725 
  1726 # We always need to have threads and timers around
  1727 if(NOT HAVE_SDL_THREADS)
  1728   set(SDL_THREADS_DISABLED 1)
  1729   file(GLOB THREADS_SOURCES ${SDL2_SOURCE_DIR}/src/thread/generic/*.c)
  1730   set(SOURCE_FILES ${SOURCE_FILES} ${THREADS_SOURCES})
  1731 endif()
  1732 if(NOT HAVE_SDL_TIMERS)
  1733   set(SDL_TIMERS_DISABLED 1)
  1734   file(GLOB TIMER_SOURCES ${SDL2_SOURCE_DIR}/src/timer/dummy/*.c)
  1735   set(SOURCE_FILES ${SOURCE_FILES} ${TIMER_SOURCES})
  1736 endif()
  1737 
  1738 if(NOT SDLMAIN_SOURCES)
  1739   file(GLOB SDLMAIN_SOURCES ${SDL2_SOURCE_DIR}/src/main/dummy/*.c)
  1740 endif()
  1741 
  1742 # Append the -MMD -MT flags
  1743 # if(DEPENDENCY_TRACKING)
  1744 #   if(COMPILER_IS_GNUCC)
  1745 #     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -MMD -MT \$@")
  1746 #   endif()
  1747 # endif()
  1748 
  1749 configure_file("${SDL2_SOURCE_DIR}/include/SDL_config.h.cmake"
  1750   "${SDL2_BINARY_DIR}/include/SDL_config.h")
  1751 
  1752 # Prepare the flags and remove duplicates
  1753 if(EXTRA_LDFLAGS)
  1754   list(REMOVE_DUPLICATES EXTRA_LDFLAGS)
  1755 endif()
  1756 if(EXTRA_LIBS)
  1757   list(REMOVE_DUPLICATES EXTRA_LIBS)
  1758 endif()
  1759 if(EXTRA_CFLAGS)
  1760   list(REMOVE_DUPLICATES EXTRA_CFLAGS)
  1761 endif()
  1762 listtostr(EXTRA_CFLAGS _EXTRA_CFLAGS)
  1763 set(EXTRA_CFLAGS ${_EXTRA_CFLAGS})
  1764 
  1765 # Compat helpers for the configuration files
  1766 if(NOT WINDOWS OR CYGWIN)
  1767   # TODO: we need a Windows script, too
  1768   execute_process(COMMAND sh ${SDL2_SOURCE_DIR}/build-scripts/updaterev.sh)
  1769 
  1770   set(prefix ${CMAKE_INSTALL_PREFIX})
  1771   set(exec_prefix "\${prefix}")
  1772   set(libdir "\${exec_prefix}/lib${LIB_SUFFIX}")
  1773   set(bindir "\${exec_prefix}/bin")
  1774   set(includedir "\${prefix}/include")
  1775   if(SDL_STATIC)
  1776     set(ENABLE_STATIC_TRUE "")
  1777     set(ENABLE_STATIC_FALSE "#")
  1778   else()
  1779     set(ENABLE_STATIC_TRUE "#")
  1780     set(ENABLE_STATIC_FALSE "")
  1781   endif()
  1782   if(SDL_SHARED)
  1783     set(ENABLE_SHARED_TRUE "")
  1784     set(ENABLE_SHARED_FALSE "#")
  1785   else()
  1786     set(ENABLE_SHARED_TRUE "#")
  1787     set(ENABLE_SHARED_FALSE "")
  1788   endif()
  1789 
  1790   # Clean up the different lists
  1791   listtostr(EXTRA_LIBS _EXTRA_LIBS "-l")
  1792   set(SDL_STATIC_LIBS ${SDL_LIBS} ${EXTRA_LDFLAGS} ${_EXTRA_LIBS})
  1793   list(REMOVE_DUPLICATES SDL_STATIC_LIBS)
  1794   listtostr(SDL_STATIC_LIBS _SDL_STATIC_LIBS)
  1795   set(SDL_STATIC_LIBS ${_SDL_STATIC_LIBS})
  1796   listtostr(SDL_LIBS _SDL_LIBS)
  1797   set(SDL_LIBS ${_SDL_LIBS})
  1798 
  1799   # MESSAGE(STATUS "SDL_LIBS: ${SDL_LIBS}")
  1800   # MESSAGE(STATUS "SDL_STATIC_LIBS: ${SDL_STATIC_LIBS}")
  1801 
  1802   configure_file("${SDL2_SOURCE_DIR}/sdl2.pc.in"
  1803     "${SDL2_BINARY_DIR}/sdl2.pc" @ONLY)
  1804   configure_file("${SDL2_SOURCE_DIR}/sdl2-config.in"
  1805     "${SDL2_BINARY_DIR}/sdl2-config")
  1806   configure_file("${SDL2_SOURCE_DIR}/sdl2-config.in"
  1807     "${SDL2_BINARY_DIR}/sdl2-config" @ONLY)
  1808   configure_file("${SDL2_SOURCE_DIR}/SDL2.spec.in"
  1809     "${SDL2_BINARY_DIR}/SDL2.spec" @ONLY)
  1810 endif()
  1811 
  1812 ##### Info output #####
  1813 message(STATUS "")
  1814 message(STATUS "SDL2 was configured with the following options:")
  1815 message(STATUS "")
  1816 message(STATUS "Platform: ${CMAKE_SYSTEM}")
  1817 message(STATUS "64-bit:   ${ARCH_64}")
  1818 message(STATUS "Compiler: ${CMAKE_C_COMPILER}")
  1819 message(STATUS "")
  1820 message(STATUS "Subsystems:")
  1821 foreach(_SUB ${SDL_SUBSYSTEMS})
  1822   string(TOUPPER ${_SUB} _OPT)
  1823   message_bool_option(${_SUB} SDL_${_OPT})
  1824 endforeach()
  1825 message(STATUS "")
  1826 message(STATUS "Options:")
  1827 list(SORT ALLOPTIONS)
  1828 foreach(_OPT ${ALLOPTIONS})
  1829   # Longest option is VIDEO_X11_XSCREENSAVER = 22 characters
  1830   # Get the padding
  1831   string(LENGTH ${_OPT} _OPTLEN)
  1832   math(EXPR _PADLEN "23 - ${_OPTLEN}")
  1833   string(RANDOM LENGTH ${_PADLEN} ALPHABET " " _PADDING)
  1834   message_tested_option(${_OPT} ${_PADDING})
  1835 endforeach()
  1836 message(STATUS "")
  1837 message(STATUS " CFLAGS:        ${CMAKE_C_FLAGS}")
  1838 message(STATUS " EXTRA_CFLAGS:  ${EXTRA_CFLAGS}")
  1839 message(STATUS " EXTRA_LDFLAGS: ${EXTRA_LDFLAGS}")
  1840 message(STATUS " EXTRA_LIBS:    ${EXTRA_LIBS}")
  1841 message(STATUS "")
  1842 message(STATUS " Build Shared Library: ${SDL_SHARED}")
  1843 message(STATUS " Build Static Library: ${SDL_STATIC}")
  1844 if(SDL_STATIC)
  1845     message(STATUS " Build Static Library with Position Independent Code: ${SDL_STATIC_PIC}")
  1846 endif()
  1847 message(STATUS "")
  1848 if(UNIX)
  1849   message(STATUS "If something was not detected, although the libraries")
  1850   message(STATUS "were installed, then make sure you have set the")
  1851   message(STATUS "CFLAGS and LDFLAGS environment variables correctly.")
  1852   message(STATUS "")
  1853 endif()
  1854 
  1855 # Ensure that the extra cflags are used at compile time
  1856 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_CFLAGS}")
  1857 
  1858 # Always build SDLmain
  1859 add_library(SDL2main STATIC ${SDLMAIN_SOURCES})
  1860 target_include_directories(SDL2main PUBLIC "$<BUILD_INTERFACE:${SDL2_SOURCE_DIR}/include>" $<INSTALL_INTERFACE:include/SDL2>)
  1861 set(_INSTALL_LIBS "SDL2main")
  1862 if (NOT ANDROID)
  1863   set_target_properties(SDL2main PROPERTIES DEBUG_POSTFIX ${SDL_CMAKE_DEBUG_POSTFIX})
  1864 endif()
  1865 
  1866 if(SDL_SHARED)
  1867   add_library(SDL2 SHARED ${SOURCE_FILES} ${VERSION_SOURCES})
  1868   if(APPLE)
  1869     set_target_properties(SDL2 PROPERTIES
  1870       MACOSX_RPATH 1
  1871       OUTPUT_NAME "SDL2-${LT_RELEASE}")
  1872   elseif(UNIX AND NOT ANDROID)
  1873     set_target_properties(SDL2 PROPERTIES
  1874       VERSION ${LT_VERSION}
  1875       SOVERSION ${LT_REVISION}
  1876       OUTPUT_NAME "SDL2-${LT_RELEASE}")
  1877   else()
  1878     set_target_properties(SDL2 PROPERTIES
  1879       VERSION ${SDL_VERSION}
  1880       SOVERSION ${LT_REVISION}
  1881       OUTPUT_NAME "SDL2")
  1882   endif()
  1883   if(MSVC AND NOT LIBC)
  1884     # Don't try to link with the default set of libraries.
  1885     set_target_properties(SDL2 PROPERTIES LINK_FLAGS_RELEASE "/NODEFAULTLIB")
  1886     set_target_properties(SDL2 PROPERTIES LINK_FLAGS_DEBUG "/NODEFAULTLIB")
  1887     set_target_properties(SDL2 PROPERTIES STATIC_LIBRARY_FLAGS "/NODEFAULTLIB")
  1888   endif()
  1889   set(_INSTALL_LIBS "SDL2" ${_INSTALL_LIBS})
  1890   target_link_libraries(SDL2 ${EXTRA_LIBS} ${EXTRA_LDFLAGS})
  1891   target_include_directories(SDL2 PUBLIC "$<BUILD_INTERFACE:${SDL2_SOURCE_DIR}/include>" $<INSTALL_INTERFACE:include/SDL2>)
  1892   if (NOT ANDROID)
  1893     set_target_properties(SDL2 PROPERTIES DEBUG_POSTFIX ${SDL_CMAKE_DEBUG_POSTFIX})
  1894   endif()
  1895 endif()
  1896 
  1897 if(ANDROID)
  1898   if(HAVE_HIDAPI)
  1899     add_library(hidapi SHARED ${SDL2_SOURCE_DIR}/src/hidapi/android/hid.cpp)
  1900   endif()
  1901 
  1902   if(MSVC AND NOT LIBC)
  1903     # Don't try to link with the default set of libraries.
  1904     set_target_properties(hidapi PROPERTIES LINK_FLAGS_RELEASE "/NODEFAULTLIB")
  1905     set_target_properties(hidapi PROPERTIES LINK_FLAGS_DEBUG "/NODEFAULTLIB")
  1906     set_target_properties(hidapi PROPERTIES STATIC_LIBRARY_FLAGS "/NODEFAULTLIB")
  1907   endif()
  1908   if(HAVE_HIDAPI)
  1909     target_link_libraries(hidapi log)
  1910   endif()
  1911 endif()
  1912 
  1913 if(SDL_STATIC)
  1914   set (BUILD_SHARED_LIBS FALSE)
  1915   add_library(SDL2-static STATIC ${SOURCE_FILES})
  1916   if (NOT SDL_SHARED OR NOT WIN32)
  1917     set_target_properties(SDL2-static PROPERTIES OUTPUT_NAME "SDL2")
  1918     # Note: Apparently, OUTPUT_NAME must really be unique; even when
  1919     # CMAKE_IMPORT_LIBRARY_SUFFIX or the like are given. Otherwise
  1920     # the static build may race with the import lib and one will get
  1921     # clobbered, when the suffix is realized via subsequent rename.
  1922   endif()
  1923   set_target_properties(SDL2-static PROPERTIES POSITION_INDEPENDENT_CODE ${SDL_STATIC_PIC})
  1924   if(MSVC AND NOT LIBC)
  1925     set_target_properties(SDL2-static PROPERTIES LINK_FLAGS_RELEASE "/NODEFAULTLIB")
  1926     set_target_properties(SDL2-static PROPERTIES LINK_FLAGS_DEBUG "/NODEFAULTLIB")
  1927     set_target_properties(SDL2-static PROPERTIES STATIC_LIBRARY_FLAGS "/NODEFAULTLIB")
  1928   endif()
  1929   # TODO: Win32 platforms keep the same suffix .lib for import and static
  1930   # libraries - do we need to consider this?
  1931   set(_INSTALL_LIBS "SDL2-static" ${_INSTALL_LIBS})
  1932   target_link_libraries(SDL2-static ${EXTRA_LIBS} ${EXTRA_LDFLAGS})
  1933   target_include_directories(SDL2-static PUBLIC "$<BUILD_INTERFACE:${SDL2_SOURCE_DIR}/include>" $<INSTALL_INTERFACE:include/SDL2>)
  1934   if (NOT ANDROID)
  1935     set_target_properties(SDL2-static PROPERTIES DEBUG_POSTFIX ${SDL_CMAKE_DEBUG_POSTFIX})
  1936   endif()
  1937 endif()
  1938 
  1939 ##### Tests #####
  1940 
  1941 if(SDL_TEST)
  1942   file(GLOB TEST_SOURCES ${SDL2_SOURCE_DIR}/src/test/*.c)
  1943   add_library(SDL2_test STATIC ${TEST_SOURCES})
  1944 
  1945   add_subdirectory(test)
  1946 endif()
  1947 
  1948 ##### Installation targets #####
  1949 install(TARGETS ${_INSTALL_LIBS} EXPORT SDL2Targets
  1950   LIBRARY DESTINATION "lib${LIB_SUFFIX}"
  1951   ARCHIVE DESTINATION "lib${LIB_SUFFIX}"
  1952   RUNTIME DESTINATION bin)
  1953 
  1954 ##### Export files #####
  1955 if (WINDOWS)
  1956   set(PKG_PREFIX "cmake")
  1957 else ()
  1958   set(PKG_PREFIX "lib/cmake/SDL2")
  1959 endif ()
  1960 
  1961 include(CMakePackageConfigHelpers)
  1962 write_basic_package_version_file("${CMAKE_BINARY_DIR}/SDL2ConfigVersion.cmake"
  1963   VERSION ${SDL_VERSION}
  1964   COMPATIBILITY AnyNewerVersion
  1965 )
  1966 
  1967 install(EXPORT SDL2Targets
  1968   FILE SDL2Targets.cmake
  1969   NAMESPACE SDL2::
  1970   DESTINATION ${PKG_PREFIX}
  1971 )
  1972 install(
  1973   FILES
  1974     ${CMAKE_CURRENT_SOURCE_DIR}/SDL2Config.cmake
  1975     ${CMAKE_BINARY_DIR}/SDL2ConfigVersion.cmake
  1976   DESTINATION ${PKG_PREFIX}
  1977   COMPONENT Devel
  1978 )
  1979 
  1980 file(GLOB INCLUDE_FILES ${SDL2_SOURCE_DIR}/include/*.h)
  1981 file(GLOB BIN_INCLUDE_FILES ${SDL2_BINARY_DIR}/include/*.h)
  1982 foreach(_FNAME ${BIN_INCLUDE_FILES})
  1983   get_filename_component(_INCNAME ${_FNAME} NAME)
  1984   list(REMOVE_ITEM INCLUDE_FILES ${SDL2_SOURCE_DIR}/include/${_INCNAME})
  1985 endforeach()
  1986 list(APPEND INCLUDE_FILES ${BIN_INCLUDE_FILES})
  1987 install(FILES ${INCLUDE_FILES} DESTINATION include/SDL2)
  1988 
  1989 string(TOUPPER "${CMAKE_BUILD_TYPE}" UPPER_BUILD_TYPE)
  1990 if (UPPER_BUILD_TYPE MATCHES DEBUG)
  1991   set(SOPOSTFIX "${SDL_CMAKE_DEBUG_POSTFIX}")
  1992 else()
  1993   set(SOPOSTFIX "")
  1994 endif()
  1995 
  1996 if(NOT (WINDOWS OR CYGWIN))
  1997   if(SDL_SHARED)
  1998     set(SOEXT ${CMAKE_SHARED_LIBRARY_SUFFIX}) # ".so", ".dylib", etc.
  1999     get_target_property(SONAME SDL2 OUTPUT_NAME)
  2000     if(NOT ANDROID)
  2001         install(CODE "
  2002           execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink
  2003             \"lib${SONAME}${SOPOSTFIX}${SOEXT}\" \"libSDL2${SOPOSTFIX}${SOEXT}\"
  2004             WORKING_DIRECTORY \"${SDL2_BINARY_DIR}\")")
  2005         install(FILES ${SDL2_BINARY_DIR}/libSDL2${SOPOSTFIX}${SOEXT} DESTINATION "lib${LIB_SUFFIX}")
  2006     endif()
  2007   endif()
  2008   if(FREEBSD)
  2009     # FreeBSD uses ${PREFIX}/libdata/pkgconfig
  2010     install(FILES ${SDL2_BINARY_DIR}/sdl2.pc DESTINATION "libdata/pkgconfig")
  2011   else()
  2012     install(FILES ${SDL2_BINARY_DIR}/sdl2.pc
  2013       DESTINATION "lib${LIB_SUFFIX}/pkgconfig")
  2014   endif()
  2015   install(PROGRAMS ${SDL2_BINARY_DIR}/sdl2-config DESTINATION bin)
  2016   # TODO: what about the .spec file? Is it only needed for RPM creation?
  2017   install(FILES "${SDL2_SOURCE_DIR}/sdl2.m4" DESTINATION "${CMAKE_INSTALL_FULL_DATAROOTDIR}/aclocal")
  2018 endif()
  2019 
  2020 ##### Uninstall target #####
  2021 
  2022 if(NOT TARGET uninstall)
  2023   configure_file(
  2024       "${CMAKE_CURRENT_SOURCE_DIR}/cmake_uninstall.cmake.in"
  2025       "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
  2026       IMMEDIATE @ONLY)
  2027 
  2028   add_custom_target(uninstall
  2029       COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake)
  2030 endif()