1if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR}) 2 message(FATAL_ERROR "Prevented in-tree built. Please create a build directory outside of the SDL source code and call cmake from there") 3endif() 4 5cmake_minimum_required(VERSION 2.8.5) 6project(SDL2 C) 7 8# !!! FIXME: this should probably do "MACOSX_RPATH ON" as a target property 9# !!! FIXME: for the SDL2 shared library (so you get an 10# !!! FIXME: install_name ("soname") of "@rpath/libSDL-whatever.dylib" 11# !!! FIXME: instead of "/usr/local/lib/libSDL-whatever.dylib"), but I'm 12# !!! FIXME: punting for now and leaving the existing behavior. Until this 13# !!! FIXME: properly resolved, this line silences a warning in CMake 3.0+. 14# !!! FIXME: remove it and this comment entirely once the problem is 15# !!! FIXME: properly resolved. 16#cmake_policy(SET CMP0042 OLD) 17 18include(CheckFunctionExists) 19include(CheckLibraryExists) 20include(CheckIncludeFiles) 21include(CheckIncludeFile) 22include(CheckSymbolExists) 23include(CheckCSourceRuns) 24include(CheckCCompilerFlag) 25include(CheckTypeSize) 26include(CheckStructHasMember) 27include(CMakeDependentOption) 28include(FindPkgConfig) 29include(GNUInstallDirs) 30set(CMAKE_MODULE_PATH "${SDL2_SOURCE_DIR}/cmake") 31include(${SDL2_SOURCE_DIR}/cmake/macros.cmake) 32include(${SDL2_SOURCE_DIR}/cmake/sdlchecks.cmake) 33 34# General settings 35# Edit include/SDL_version.h and change the version, then: 36# SDL_MICRO_VERSION += 1; 37# SDL_INTERFACE_AGE += 1; 38# SDL_BINARY_AGE += 1; 39# if any functions have been added, set SDL_INTERFACE_AGE to 0. 40# if backwards compatibility has been broken, 41# set SDL_BINARY_AGE and SDL_INTERFACE_AGE to 0. 42set(SDL_MAJOR_VERSION 2) 43set(SDL_MINOR_VERSION 0) 44set(SDL_MICRO_VERSION 5) 45set(SDL_INTERFACE_AGE 1) 46set(SDL_BINARY_AGE 5) 47set(SDL_VERSION "${SDL_MAJOR_VERSION}.${SDL_MINOR_VERSION}.${SDL_MICRO_VERSION}") 48 49# Calculate a libtool-like version number 50math(EXPR LT_CURRENT "${SDL_MICRO_VERSION} - ${SDL_INTERFACE_AGE}") 51math(EXPR LT_AGE "${SDL_BINARY_AGE} - ${SDL_INTERFACE_AGE}") 52math(EXPR LT_MAJOR "${LT_CURRENT}- ${LT_AGE}") 53set(LT_REVISION "${SDL_INTERFACE_AGE}") 54set(LT_RELEASE "${SDL_MAJOR_VERSION}.${SDL_MINOR_VERSION}") 55set(LT_VERSION "${LT_MAJOR}.${LT_AGE}.${LT_REVISION}") 56 57message(STATUS "${LT_VERSION} :: ${LT_AGE} :: ${LT_REVISION} :: ${LT_CURRENT} :: ${LT_RELEASE}") 58 59# General settings & flags 60set(LIBRARY_OUTPUT_DIRECTORY "build") 61# Check for 64 or 32 bit 62set(SIZEOF_VOIDP ${CMAKE_SIZEOF_VOID_P}) 63if(CMAKE_SIZEOF_VOID_P EQUAL 8) 64 set(ARCH_64 TRUE) 65 set(PROCESSOR_ARCH "x64") 66else() 67 set(ARCH_64 FALSE) 68 set(PROCESSOR_ARCH "x86") 69endif() 70set(LIBNAME SDL2) 71if(NOT LIBTYPE) 72 set(LIBTYPE SHARED) 73endif() 74 75# Get the platform 76if(WIN32) 77 if(NOT WINDOWS) 78 set(WINDOWS TRUE) 79 endif() 80elseif(UNIX AND NOT APPLE) 81 if(CMAKE_SYSTEM_NAME MATCHES ".*Linux") 82 set(LINUX TRUE) 83 elseif(CMAKE_SYSTEM_NAME MATCHES "kFreeBSD.*") 84 set(FREEBSD TRUE) 85 elseif(CMAKE_SYSTEM_NAME MATCHES "kNetBSD.*|NetBSD.*") 86 set(NETBSD TRUE) 87 elseif(CMAKE_SYSTEM_NAME MATCHES "kOpenBSD.*|OpenBSD.*") 88 set(OPENBSD TRUE) 89 elseif(CMAKE_SYSTEM_NAME MATCHES ".*GNU.*") 90 set(GNU TRUE) 91 elseif(CMAKE_SYSTEM_NAME MATCHES ".*BSDI.*") 92 set(BSDI TRUE) 93 elseif(CMAKE_SYSTEM_NAME MATCHES "DragonFly.*|FreeBSD") 94 set(FREEBSD TRUE) 95 elseif(CMAKE_SYSTEM_NAME MATCHES "SYSV5.*") 96 set(SYSV5 TRUE) 97 elseif(CMAKE_SYSTEM_NAME MATCHES "Solaris.*") 98 set(SOLARIS TRUE) 99 elseif(CMAKE_SYSTEM_NAME MATCHES "HP-UX.*") 100 set(HPUX TRUE) 101 elseif(CMAKE_SYSTEM_NAME MATCHES "AIX.*") 102 set(AIX TRUE) 103 elseif(CMAKE_SYSTEM_NAME MATCHES "Minix.*") 104 set(MINIX TRUE) 105 endif() 106elseif(APPLE) 107 if(CMAKE_SYSTEM_NAME MATCHES ".*Darwin.*") 108 set(DARWIN TRUE) 109 elseif(CMAKE_SYSTEM_NAME MATCHES ".*MacOS.*") 110 set(MACOSX TRUE) 111 endif() 112 # TODO: iOS? 113elseif(CMAKE_SYSTEM_NAME MATCHES "BeOS.*") 114 message_error("BeOS support has been removed as of SDL 2.0.2.") 115elseif(CMAKE_SYSTEM_NAME MATCHES "Haiku.*") 116 set(HAIKU TRUE) 117endif() 118 119# Don't mistake osx for unix 120if(UNIX AND NOT APPLE) 121 set(UNIX_SYS ON) 122else() 123 set(UNIX_SYS OFF) 124endif() 125 126if(UNIX OR APPLE) 127 set(UNIX_OR_MAC_SYS ON) 128else() 129 set(UNIX_OR_MAC_SYS OFF) 130endif() 131 132if (UNIX_OR_MAC_SYS AND NOT EMSCRIPTEN) # JavaScript does not yet have threading support, so disable pthreads when building for Emscripten. 133 set(SDL_PTHREADS_ENABLED_BY_DEFAULT ON) 134else() 135 set(SDL_PTHREADS_ENABLED_BY_DEFAULT OFF) 136endif() 137 138# Default option knobs 139if(APPLE OR ARCH_64) 140 set(OPT_DEF_SSEMATH ON) 141endif() 142if(UNIX OR MINGW OR MSYS) 143 set(OPT_DEF_LIBC ON) 144endif() 145 146# Compiler info 147if(CMAKE_COMPILER_IS_GNUCC) 148 set(USE_GCC TRUE) 149 set(OPT_DEF_ASM TRUE) 150elseif(CMAKE_C_COMPILER_ID MATCHES "Clang") 151 set(USE_CLANG TRUE) 152 set(OPT_DEF_ASM TRUE) 153elseif(MSVC_VERSION GREATER 1400) # VisualStudio 8.0+ 154 set(OPT_DEF_ASM TRUE) 155 #set(CMAKE_C_FLAGS "/ZI /WX- / 156else() 157 set(OPT_DEF_ASM FALSE) 158endif() 159 160# Default flags, if not set otherwise 161if("$ENV{CFLAGS}" STREQUAL "") 162 if(CMAKE_BUILD_TYPE STREQUAL "") 163 if(USE_GCC OR USE_CLANG) 164 set(CMAKE_C_FLAGS "-g -O3") 165 endif() 166 endif() 167else() 168 set(CMAKE_C_FLAGS "$ENV{CFLAGS}") 169 list(APPEND EXTRA_CFLAGS "$ENV{CFLAGS}") 170endif() 171if(NOT ("$ENV{CFLAGS}" STREQUAL "")) # Hackish, but does the trick on Win32 172 list(APPEND EXTRA_LDFLAGS "$ENV{LDFLAGS}") 173endif() 174 175if(MSVC) 176 option(FORCE_STATIC_VCRT "Force /MT for static VC runtimes" OFF) 177 if(FORCE_STATIC_VCRT) 178 foreach(flag_var 179 CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE 180 CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO) 181 if(${flag_var} MATCHES "/MD") 182 string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}") 183 endif() 184 endforeach() 185 endif() 186 187 # Make sure /RTC1 is disabled, otherwise it will use functions from the CRT 188 foreach(flag_var 189 CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE 190 CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO) 191 string(REGEX REPLACE "/RTC(su|[1su])" "" ${flag_var} "${${flag_var}}") 192 endforeach(flag_var) 193endif() 194 195# Those are used for pkg-config and friends, so that the SDL2.pc, sdl2-config, 196# etc. are created correctly. 197set(SDL_LIBS "-lSDL2") 198set(SDL_CFLAGS "") 199 200# Emscripten toolchain has a nonempty default value for this, and the checks 201# in this file need to change that, so remember the original value, and 202# restore back to that afterwards. For check_function_exists() to work in 203# Emscripten, this value must be at its default value. 204set(ORIG_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS}) 205 206if(CYGWIN) 207 # We build SDL on cygwin without the UNIX emulation layer 208 include_directories("-I/usr/include/mingw") 209 set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -mno-cygwin") 210 check_c_source_compiles("int main(int argc, char **argv) {}" 211 HAVE_GCC_NO_CYGWIN) 212 set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS}) 213 if(HAVE_GCC_NO_CYGWIN) 214 list(APPEND EXTRA_LDFLAGS "-mno-cygwin") 215 list(APPEND SDL_LIBS "-mno-cygwin") 216 endif() 217 set(SDL_CFLAGS "${SDL_CFLAGS} -I/usr/include/mingw") 218endif() 219 220add_definitions(-DUSING_GENERATED_CONFIG_H) 221# General includes 222include_directories(${SDL2_BINARY_DIR}/include ${SDL2_SOURCE_DIR}/include) 223 224# All these ENABLED_BY_DEFAULT vars will default to ON if not specified, so 225# you only need to have a platform override them if they are disabling. 226set(OPT_DEF_ASM TRUE) 227if(EMSCRIPTEN) 228 # Set up default values for the currently supported set of subsystems: 229 # Emscripten/Javascript does not have assembly support, a dynamic library 230 # loading architecture, low-level CPU inspection or multithreading. 231 set(OPT_DEF_ASM FALSE) 232 set(SDL_SHARED_ENABLED_BY_DEFAULT OFF) 233 set(SDL_ATOMIC_ENABLED_BY_DEFAULT OFF) 234 set(SDL_THREADS_ENABLED_BY_DEFAULT OFF) 235 set(SDL_LOADSO_ENABLED_BY_DEFAULT OFF) 236 set(SDL_CPUINFO_ENABLED_BY_DEFAULT OFF) 237 set(SDL_DLOPEN_ENABLED_BY_DEFAULT OFF) 238endif() 239 240if (NOT DEFINED SDL_SHARED_ENABLED_BY_DEFAULT) 241 set(SDL_SHARED_ENABLED_BY_DEFAULT ON) 242endif() 243 244set(SDL_SUBSYSTEMS 245 Atomic Audio Video Render Events Joystick Haptic Power Threads Timers 246 File Loadso CPUinfo Filesystem Dlopen) 247foreach(_SUB ${SDL_SUBSYSTEMS}) 248 string(TOUPPER ${_SUB} _OPT) 249 if (NOT DEFINED SDL_${_OPT}_ENABLED_BY_DEFAULT) 250 set(SDL_${_OPT}_ENABLED_BY_DEFAULT ON) 251 endif() 252 option(SDL_${_OPT} "Enable the ${_SUB} subsystem" ${SDL_${_OPT}_ENABLED_BY_DEFAULT}) 253endforeach() 254 255option_string(ASSERTIONS "Enable internal sanity checks (auto/disabled/release/enabled/paranoid)" "auto") 256#set_option(DEPENDENCY_TRACKING "Use gcc -MMD -MT dependency tracking" ON) 257set_option(LIBC "Use the system C library" ${OPT_DEF_LIBC}) 258set_option(GCC_ATOMICS "Use gcc builtin atomics" ${USE_GCC}) 259set_option(ASSEMBLY "Enable assembly routines" ${OPT_DEF_ASM}) 260set_option(SSEMATH "Allow GCC to use SSE floating point math" ${OPT_DEF_SSEMATH}) 261set_option(MMX "Use MMX assembly routines" ${OPT_DEF_ASM}) 262set_option(3DNOW "Use 3Dnow! MMX assembly routines" ${OPT_DEF_ASM}) 263set_option(SSE "Use SSE assembly routines" ${OPT_DEF_ASM}) 264set_option(SSE2 "Use SSE2 assembly routines" ${OPT_DEF_SSEMATH}) 265set_option(ALTIVEC "Use Altivec assembly routines" ${OPT_DEF_ASM}) 266set_option(DISKAUDIO "Support the disk writer audio driver" ON) 267set_option(DUMMYAUDIO "Support the dummy audio driver" ON) 268set_option(VIDEO_DIRECTFB "Use DirectFB video driver" OFF) 269dep_option(DIRECTFB_SHARED "Dynamically load directfb support" ON "VIDEO_DIRECTFB" OFF) 270set_option(FUSIONSOUND "Use FusionSound audio driver" OFF) 271dep_option(FUSIONSOUND_SHARED "Dynamically load fusionsound audio support" ON "FUSIONSOUND" OFF) 272set_option(VIDEO_DUMMY "Use dummy video driver" ON) 273set_option(VIDEO_OPENGL "Include OpenGL support" ON) 274set_option(VIDEO_OPENGLES "Include OpenGL ES support" ON) 275set_option(PTHREADS "Use POSIX threads for multi-threading" ${SDL_PTHREADS_ENABLED_BY_DEFAULT}) 276dep_option(PTHREADS_SEM "Use pthread semaphores" ON "PTHREADS" OFF) 277set_option(SDL_DLOPEN "Use dlopen for shared object loading" ${SDL_DLOPEN_ENABLED_BY_DEFAULT}) 278set_option(OSS "Support the OSS audio API" ${UNIX_SYS}) 279set_option(ALSA "Support the ALSA audio API" ${UNIX_SYS}) 280dep_option(ALSA_SHARED "Dynamically load ALSA audio support" ON "ALSA" OFF) 281set_option(ESD "Support the Enlightened Sound Daemon" ${UNIX_SYS}) 282dep_option(ESD_SHARED "Dynamically load ESD audio support" ON "ESD" OFF) 283set_option(PULSEAUDIO "Use PulseAudio" ${UNIX_SYS}) 284dep_option(PULSEAUDIO_SHARED "Dynamically load PulseAudio support" ON "PULSEAUDIO" OFF) 285set_option(ARTS "Support the Analog Real Time Synthesizer" ${UNIX_SYS}) 286dep_option(ARTS_SHARED "Dynamically load aRts audio support" ON "ARTS" OFF) 287set_option(NAS "Support the NAS audio API" ${UNIX_SYS}) 288set_option(NAS_SHARED "Dynamically load NAS audio API" ${UNIX_SYS}) 289set_option(SNDIO "Support the sndio audio API" ${UNIX_SYS}) 290set_option(RPATH "Use an rpath when linking SDL" ${UNIX_SYS}) 291set_option(CLOCK_GETTIME "Use clock_gettime() instead of gettimeofday()" OFF) 292set_option(INPUT_TSLIB "Use the Touchscreen library for input" ${UNIX_SYS}) 293set_option(VIDEO_X11 "Use X11 video driver" ${UNIX_SYS}) 294set_option(VIDEO_WAYLAND "Use Wayland video driver" ${UNIX_SYS}) 295dep_option(WAYLAND_SHARED "Dynamically load Wayland support" ON "VIDEO_WAYLAND" OFF) 296dep_option(VIDEO_WAYLAND_QT_TOUCH "QtWayland server support for Wayland video driver" ON "VIDEO_WAYLAND" OFF) 297set_option(VIDEO_MIR "Use Mir video driver" ${UNIX_SYS}) 298dep_option(MIR_SHARED "Dynamically load Mir support" ON "VIDEO_MIR" OFF) 299set_option(VIDEO_RPI "Use Raspberry Pi video driver" ${UNIX_SYS}) 300dep_option(X11_SHARED "Dynamically load X11 support" ON "VIDEO_X11" OFF) 301set(SDL_X11_OPTIONS Xcursor Xinerama XInput Xrandr Xscrnsaver XShape Xvm) 302foreach(_SUB ${SDL_X11_OPTIONS}) 303 string(TOUPPER "VIDEO_X11_${_SUB}" _OPT) 304 dep_option(${_OPT} "Enable ${_SUB} support" ON "VIDEO_X11" OFF) 305endforeach() 306set_option(VIDEO_COCOA "Use Cocoa video driver" ${APPLE}) 307set_option(DIRECTX "Use DirectX for Windows audio/video" ${WINDOWS}) 308set_option(RENDER_D3D "Enable the Direct3D render driver" ${WINDOWS}) 309set_option(VIDEO_VIVANTE "Use Vivante EGL video driver" ${UNIX_SYS}) 310 311# TODO: We should (should we?) respect cmake's ${BUILD_SHARED_LIBS} flag here 312# The options below are for compatibility to configure's default behaviour. 313set(SDL_SHARED ${SDL_SHARED_ENABLED_BY_DEFAULT} CACHE BOOL "Build a shared version of the library") 314set(SDL_STATIC ON CACHE BOOL "Build a static version of the library") 315 316dep_option(SDL_STATIC_PIC "Static version of the library should be built with Position Independent Code" OFF "SDL_STATIC" OFF) 317 318# General source files 319file(GLOB SOURCE_FILES 320 ${SDL2_SOURCE_DIR}/src/*.c 321 ${SDL2_SOURCE_DIR}/src/atomic/*.c 322 ${SDL2_SOURCE_DIR}/src/audio/*.c 323 ${SDL2_SOURCE_DIR}/src/cpuinfo/*.c 324 ${SDL2_SOURCE_DIR}/src/dynapi/*.c 325 ${SDL2_SOURCE_DIR}/src/events/*.c 326 ${SDL2_SOURCE_DIR}/src/file/*.c 327 ${SDL2_SOURCE_DIR}/src/libm/*.c 328 ${SDL2_SOURCE_DIR}/src/render/*.c 329 ${SDL2_SOURCE_DIR}/src/render/*/*.c 330 ${SDL2_SOURCE_DIR}/src/stdlib/*.c 331 ${SDL2_SOURCE_DIR}/src/thread/*.c 332 ${SDL2_SOURCE_DIR}/src/timer/*.c 333 ${SDL2_SOURCE_DIR}/src/video/*.c) 334 335 336if(ASSERTIONS STREQUAL "auto") 337 # Do nada - use optimization settings to determine the assertion level 338elseif(ASSERTIONS STREQUAL "disabled") 339 set(SDL_DEFAULT_ASSERT_LEVEL 0) 340elseif(ASSERTIONS STREQUAL "release") 341 set(SDL_DEFAULT_ASSERT_LEVEL 1) 342elseif(ASSERTIONS STREQUAL "enabled") 343 set(SDL_DEFAULT_ASSERT_LEVEL 2) 344elseif(ASSERTIONS STREQUAL "paranoid") 345 set(SDL_DEFAULT_ASSERT_LEVEL 3) 346else() 347 message_error("unknown assertion level") 348endif() 349set(HAVE_ASSERTIONS ${ASSERTIONS}) 350 351# Compiler option evaluation 352if(USE_GCC OR USE_CLANG) 353 # Check for -Wall first, so later things can override pieces of it. 354 check_c_compiler_flag(-Wall HAVE_GCC_WALL) 355 if(HAVE_GCC_WALL) 356 list(APPEND EXTRA_CFLAGS "-Wall") 357 if(HAIKU) 358 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-multichar") 359 endif() 360 endif() 361 362 check_c_compiler_flag(-Wdeclaration-after-statement HAVE_GCC_WDECLARATION_AFTER_STATEMENT) 363 if(HAVE_GCC_WDECLARATION_AFTER_STATEMENT) 364 check_c_compiler_flag(-Werror=declaration-after-statement HAVE_GCC_WERROR_DECLARATION_AFTER_STATEMENT) 365 if(HAVE_GCC_WERROR_DECLARATION_AFTER_STATEMENT) 366 list(APPEND EXTRA_CFLAGS "-Werror=declaration-after-statement") 367 endif() 368 list(APPEND EXTRA_CFLAGS "-Wdeclaration-after-statement") 369 endif() 370 371 if(DEPENDENCY_TRACKING) 372 check_c_source_compiles(" 373 #if !defined(__GNUC__) || __GNUC__ < 3 374 #error Dependency tracking requires GCC 3.0 or newer 375 #endif 376 int main(int argc, char **argv) { }" HAVE_DEPENDENCY_TRACKING) 377 endif() 378 379 if(GCC_ATOMICS) 380 check_c_source_compiles("int main(int argc, char **argv) { 381 int a; 382 void *x, *y, *z; 383 __sync_lock_test_and_set(&a, 4); 384 __sync_lock_test_and_set(&x, y); 385 __sync_fetch_and_add(&a, 1); 386 __sync_bool_compare_and_swap(&a, 5, 10); 387 __sync_bool_compare_and_swap(&x, y, z); }" HAVE_GCC_ATOMICS) 388 if(NOT HAVE_GCC_ATOMICS) 389 check_c_source_compiles("int main(int argc, char **argv) { 390 int a; 391 __sync_lock_test_and_set(&a, 1); 392 __sync_lock_release(&a); }" HAVE_GCC_SYNC_LOCK_TEST_AND_SET) 393 endif() 394 endif() 395 396 set(CMAKE_REQUIRED_FLAGS "-mpreferred-stack-boundary=2") 397 check_c_source_compiles("int x = 0; int main(int argc, char **argv) {}" 398 HAVE_GCC_PREFERRED_STACK_BOUNDARY) 399 set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS}) 400 401 set(CMAKE_REQUIRED_FLAGS "-fvisibility=hidden -Werror") 402 check_c_source_compiles(" 403 #if !defined(__GNUC__) || __GNUC__ < 4 404 #error SDL only uses visibility attributes in GCC 4 or newer 405 #endif 406 int main(int argc, char **argv) {}" HAVE_GCC_FVISIBILITY) 407 if(HAVE_GCC_FVISIBILITY) 408 list(APPEND EXTRA_CFLAGS "-fvisibility=hidden") 409 endif() 410 set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS}) 411 412 check_c_compiler_flag(-Wshadow HAVE_GCC_WSHADOW) 413 if(HAVE_GCC_WSHADOW) 414 list(APPEND EXTRA_CFLAGS "-Wshadow") 415 endif() 416 417 set(CMAKE_REQUIRED_FLAGS "-Wl,--no-undefined") 418 check_c_compiler_flag("" HAVE_NO_UNDEFINED) 419 set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS}) 420 if(HAVE_NO_UNDEFINED) 421 list(APPEND EXTRA_LDFLAGS "-Wl,--no-undefined") 422 endif() 423endif() 424 425if(ASSEMBLY) 426 if(USE_GCC OR USE_CLANG) 427 set(SDL_ASSEMBLY_ROUTINES 1) 428 # TODO: Those all seem to be quite GCC specific - needs to be 429 # reworked for better compiler support 430 set(HAVE_ASSEMBLY TRUE) 431 if(MMX) 432 set(CMAKE_REQUIRED_FLAGS "-mmmx") 433 check_c_source_compiles(" 434 #ifdef __MINGW32__ 435 #include <_mingw.h> 436 #ifdef __MINGW64_VERSION_MAJOR 437 #include <intrin.h> 438 #else 439 #include <mmintrin.h> 440 #endif 441 #else 442 #include <mmintrin.h> 443 #endif 444 #ifndef __MMX__ 445 #error Assembler CPP flag not enabled 446 #endif 447 int main(int argc, char **argv) { }" HAVE_MMX) 448 if(HAVE_MMX) 449 list(APPEND EXTRA_CFLAGS "-mmmx") 450 endif() 451 set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS}) 452 endif() 453 454 if(3DNOW) 455 set(CMAKE_REQUIRED_FLAGS "-m3dnow") 456 check_c_source_compiles(" 457 #include <mm3dnow.h> 458 #ifndef __3dNOW__ 459 #error Assembler CPP flag not enabled 460 #endif 461 int main(int argc, char **argv) { 462 void *p = 0; 463 _m_prefetch(p); 464 }" HAVE_3DNOW) 465 if(HAVE_3DNOW) 466 list(APPEND EXTRA_CFLAGS "-m3dnow") 467 endif() 468 set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS}) 469 endif() 470 471 if(SSE) 472 set(CMAKE_REQUIRED_FLAGS "-msse") 473 check_c_source_compiles(" 474 #ifdef __MINGW32__ 475 #include <_mingw.h> 476 #ifdef __MINGW64_VERSION_MAJOR 477 #include <intrin.h> 478 #else 479 #include <xmmintrin.h> 480 #endif 481 #else 482 #include <xmmintrin.h> 483 #endif 484 #ifndef __SSE__ 485 #error Assembler CPP flag not enabled 486 #endif 487 int main(int argc, char **argv) { }" HAVE_SSE) 488 if(HAVE_SSE) 489 list(APPEND EXTRA_CFLAGS "-msse") 490 endif() 491 set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS}) 492 endif() 493 494 if(SSE2) 495 set(CMAKE_REQUIRED_FLAGS "-msse2") 496 check_c_source_compiles(" 497 #ifdef __MINGW32__ 498 #include <_mingw.h> 499 #ifdef __MINGW64_VERSION_MAJOR 500 #include <intrin.h> 501 #else 502 #include <emmintrin.h> 503 #endif 504 #else 505 #include <emmintrin.h> 506 #endif 507 #ifndef __SSE2__ 508 #error Assembler CPP flag not enabled 509 #endif 510 int main(int argc, char **argv) { }" HAVE_SSE2) 511 if(HAVE_SSE2) 512 list(APPEND EXTRA_CFLAGS "-msse2") 513 endif() 514 set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS}) 515 endif() 516 517 if(SSEMATH) 518 if(SSE OR SSE2) 519 if(USE_GCC) 520 list(APPEND EXTRA_CFLAGS "-mfpmath=387") 521 endif() 522 set(HAVE_SSEMATH TRUE) 523 endif() 524 endif() 525 526 if(ALTIVEC) 527 set(CMAKE_REQUIRED_FLAGS "-maltivec") 528 check_c_source_compiles(" 529 #include <altivec.h> 530 vector unsigned int vzero() { 531 return vec_splat_u32(0); 532 } 533 int main(int argc, char **argv) { }" HAVE_ALTIVEC_H_HDR) 534 check_c_source_compiles(" 535 vector unsigned int vzero() { 536 return vec_splat_u32(0); 537 } 538 int main(int argc, char **argv) { }" HAVE_ALTIVEC) 539 set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS}) 540 if(HAVE_ALTIVEC OR HAVE_ALTIVEC_H_HDR) 541 set(HAVE_ALTIVEC TRUE) # if only HAVE_ALTIVEC_H_HDR is set 542 list(APPEND EXTRA_CFLAGS "-maltivec") 543 set(SDL_ALTIVEC_BLITTERS 1) 544 if(HAVE_ALTIVEC_H_HDR) 545 set(HAVE_ALTIVEC_H 1) 546 endif() 547 endif() 548 endif() 549 elseif(MSVC_VERSION GREATER 1500) 550 # TODO: SDL_cpuinfo.h needs to support the user's configuration wish 551 # for MSVC - right now it is always activated 552 if(NOT ARCH_64) 553 set(HAVE_MMX TRUE) 554 set(HAVE_3DNOW TRUE) 555 endif() 556 set(HAVE_SSE TRUE) 557 set(HAVE_SSE2 TRUE) 558 set(SDL_ASSEMBLY_ROUTINES 1) 559 endif() 560# TODO: 561#else() 562# if(USE_GCC OR USE_CLANG) 563# list(APPEND EXTRA_CFLAGS "-mno-sse" "-mno-sse2" "-mno-mmx") 564# endif() 565endif() 566 567# TODO: Can't deactivate on FreeBSD? w/o LIBC, SDL_stdinc.h can't define 568# anything. 569if(LIBC) 570 if(WINDOWS AND NOT MINGW) 571 set(HAVE_LIBC TRUE) 572 foreach(_HEADER stdio.h string.h ctype.h math.h) 573 string(TOUPPER "HAVE_${_HEADER}" _UPPER) 574 string(REPLACE "." "_" _HAVE_H ${_UPPER}) 575 set(${_HAVE_H} 1) 576 endforeach() 577 set(HAVE_SIGNAL_H 1) 578 foreach(_FN 579 malloc calloc realloc free qsort abs memset memcpy memmove memcmp 580 strlen _strrev _strupr _strlwr strchr strrchr strstr itoa _ltoa 581 _ultoa strtol strtoul strtoll strtod atoi atof strcmp strncmp 582 _stricmp _strnicmp sscanf atan atan2 acos asin ceil copysign cos 583 cosf fabs floor log pow scalbn sin sinf sqrt sqrtf tan tanf) 584 string(TOUPPER ${_FN} _UPPER) 585 set(HAVE_${_UPPER} 1) 586 endforeach() 587 if(NOT CYGWIN AND NOT MINGW) 588 set(HAVE_ALLOCA 1) 589 endif() 590 set(HAVE_M_PI 1) 591 add_definitions(-D_USE_MATH_DEFINES) # needed for M_PI 592 set(STDC_HEADERS 1) 593 else() 594 set(HAVE_LIBC TRUE) 595 check_include_file(sys/types.h HAVE_SYS_TYPES_H) 596 foreach(_HEADER 597 stdio.h stdlib.h stddef.h stdarg.h malloc.h memory.h string.h 598 strings.h inttypes.h stdint.h ctype.h math.h iconv.h signal.h) 599 string(TOUPPER "HAVE_${_HEADER}" _UPPER) 600 string(REPLACE "." "_" _HAVE_H ${_UPPER}) 601 check_include_file("${_HEADER}" ${_HAVE_H}) 602 endforeach() 603 604 check_include_files("dlfcn.h;stdint.h;stddef.h;inttypes.h;stdlib.h;strings.h;string.h;float.h" STDC_HEADERS) 605 check_type_size("size_t" SIZEOF_SIZE_T) 606 check_symbol_exists(M_PI math.h HAVE_M_PI) 607 # TODO: refine the mprotect check 608 check_c_source_compiles("#include <sys/types.h> 609 #include <sys/mman.h> 610 int main() { }" HAVE_MPROTECT) 611 foreach(_FN 612 strtod malloc calloc realloc free getenv setenv putenv unsetenv 613 qsort abs bcopy memset memcpy memmove memcmp strlen strlcpy strlcat 614 strdup _strrev _strupr _strlwr strchr strrchr strstr itoa _ltoa 615 _uitoa _ultoa strtol strtoul _i64toa _ui64toa strtoll strtoull 616 atoi atof strcmp strncmp _stricmp strcasecmp _strnicmp strncasecmp 617 vsscanf vsnprintf fseeko fseeko64 sigaction setjmp 618 nanosleep sysconf sysctlbyname 619 ) 620 string(TOUPPER ${_FN} _UPPER) 621 set(_HAVEVAR "HAVE_${_UPPER}") 622 check_function_exists("${_FN}" ${_HAVEVAR}) 623 endforeach() 624 625 check_library_exists(m pow "" HAVE_LIBM) 626 if(HAVE_LIBM) 627 set(CMAKE_REQUIRED_LIBRARIES m) 628 foreach(_FN 629 atan atan2 ceil copysign cos cosf fabs floor log pow scalbn sin 630 sinf sqrt sqrtf tan tanf acos asin) 631 string(TOUPPER ${_FN} _UPPER) 632 set(_HAVEVAR "HAVE_${_UPPER}") 633 check_function_exists("${_FN}" ${_HAVEVAR}) 634 endforeach() 635 set(CMAKE_REQUIRED_LIBRARIES) 636 list(APPEND EXTRA_LIBS m) 637 endif() 638 639 check_library_exists(iconv iconv_open "" HAVE_LIBICONV) 640 if(HAVE_LIBICONV) 641 list(APPEND EXTRA_LIBS iconv) 642 set(HAVE_ICONV 1) 643 endif() 644 645 if(NOT APPLE) 646 check_include_file(alloca.h HAVE_ALLOCA_H) 647 check_function_exists(alloca HAVE_ALLOCA) 648 else() 649 set(HAVE_ALLOCA_H 1) 650 set(HAVE_ALLOCA 1) 651 endif() 652 653 check_struct_has_member("struct sigaction" "sa_sigaction" "signal.h" HAVE_SA_SIGACTION) 654 endif() 655else() 656 if(WINDOWS) 657 set(HAVE_STDARG_H 1) 658 set(HAVE_STDDEF_H 1) 659 endif() 660endif() 661 662 663# Enable/disable various subsystems of the SDL library 664foreach(_SUB ${SDL_SUBSYSTEMS}) 665 string(TOUPPER ${_SUB} _OPT) 666 if(NOT SDL_${_OPT}) 667 set(SDL_${_OPT}_DISABLED 1) 668 endif() 669endforeach() 670if(SDL_JOYSTICK) 671 file(GLOB JOYSTICK_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/*.c) 672 set(SOURCE_FILES ${SOURCE_FILES} ${JOYSTICK_SOURCES}) 673endif() 674if(SDL_HAPTIC) 675 if(NOT SDL_JOYSTICK) 676 # Haptic requires some private functions from the joystick subsystem. 677 message_error("SDL_HAPTIC requires SDL_JOYSTICK, which is not enabled") 678 endif() 679 file(GLOB HAPTIC_SOURCES ${SDL2_SOURCE_DIR}/src/haptic/*.c) 680 set(SOURCE_FILES ${SOURCE_FILES} ${HAPTIC_SOURCES}) 681endif() 682if(SDL_POWER) 683 file(GLOB POWER_SOURCES ${SDL2_SOURCE_DIR}/src/power/*.c) 684 set(SOURCE_FILES ${SOURCE_FILES} ${POWER_SOURCES}) 685endif() 686# TODO: in configure.in, the test for LOADSO and SDL_DLOPEN is a bit weird: 687# if LOADSO is not wanted, SDL_LOADSO_DISABLED is set 688# If however on Unix or APPLE dlopen() is detected via CheckDLOPEN(), 689# SDL_LOADSO_DISABLED will not be set, regardless of the LOADSO settings 690 691# General SDL subsystem options, valid for all platforms 692if(SDL_AUDIO) 693 # CheckDummyAudio/CheckDiskAudio - valid for all platforms 694 if(DUMMYAUDIO) 695 set(SDL_AUDIO_DRIVER_DUMMY 1) 696 file(GLOB DUMMYAUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/dummy/*.c) 697 set(SOURCE_FILES ${SOURCE_FILES} ${DUMMYAUDIO_SOURCES}) 698 set(HAVE_DUMMYAUDIO TRUE) 699 endif() 700 if(DISKAUDIO) 701 set(SDL_AUDIO_DRIVER_DISK 1) 702 file(GLOB DISKAUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/disk/*.c) 703 set(SOURCE_FILES ${SOURCE_FILES} ${DISKAUDIO_SOURCES}) 704 set(HAVE_DISKAUDIO TRUE) 705 endif() 706endif() 707 708if(SDL_DLOPEN) 709 # Relevant for Unix/Darwin only 710 if(UNIX OR APPLE) 711 CheckDLOPEN() 712 endif() 713endif() 714 715if(SDL_VIDEO) 716 if(VIDEO_DUMMY) 717 set(SDL_VIDEO_DRIVER_DUMMY 1) 718 file(GLOB VIDEO_DUMMY_SOURCES ${SDL2_SOURCE_DIR}/src/video/dummy/*.c) 719 set(SOURCE_FILES ${SOURCE_FILES} ${VIDEO_DUMMY_SOURCES}) 720 set(HAVE_VIDEO_DUMMY TRUE) 721 set(HAVE_SDL_VIDEO TRUE) 722 endif() 723endif() 724 725if(ANDROID) 726 file(GLOB ANDROID_CORE_SOURCES ${SDL2_SOURCE_DIR}/src/core/android/*.c) 727 set(SOURCE_FILES ${SOURCE_FILES} ${ANDROID_CORE_SOURCES}) 728 file(GLOB ANDROID_MAIN_SOURCES ${SDL2_SOURCE_DIR}/src/main/android/*.c) 729 set(SOURCE_FILES ${SOURCE_FILES} ${ANDROID_MAIN_SOURCES}) 730 if(SDL_AUDIO) 731 set(SDL_AUDIO_DRIVER_ANDROID 1) 732 file(GLOB ANDROID_AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/android/*.c) 733 set(SOURCE_FILES ${SOURCE_FILES} ${ANDROID_AUDIO_SOURCES}) 734 set(HAVE_SDL_AUDIO TRUE) 735 endif() 736 if(SDL_FILESYSTEM) 737 set(SDL_FILESYSTEM_ANDROID 1) 738 file(GLOB ANDROID_FILESYSTEM_SOURCES ${SDL2_SOURCE_DIR}/src/filesystem/android/*.c) 739 set(SOURCE_FILES ${SOURCE_FILES} ${ANDROID_FILESYSTEM_SOURCES}) 740 set(HAVE_SDL_FILESYSTEM TRUE) 741 endif() 742 if(SDL_JOYSTICK) 743 set(SDL_JOYSTICK_ANDROID 1) 744 file(GLOB ANDROID_JOYSTICK_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/android/*.c) 745 set(SOURCE_FILES ${SOURCE_FILES} ${ANDROID_JOYSTICK_SOURCES}) 746 set(HAVE_SDL_JOYSTICK TRUE) 747 endif() 748 if(SDL_POWER) 749 set(SDL_POWER_ANDROID 1) 750 file(GLOB ANDROID_POWER_SOURCES ${SDL2_SOURCE_DIR}/src/power/android/*.c) 751 set(SOURCE_FILES ${SOURCE_FILES} ${ANDROID_POWER_SOURCES}) 752 set(HAVE_SDL_POWER TRUE) 753 endif() 754 if(SDL_VIDEO) 755 set(SDL_VIDEO_DRIVER_ANDROID 1) 756 file(GLOB ANDROID_VIDEO_SOURCES ${SDL2_SOURCE_DIR}/src/video/android/*.c) 757 set(SOURCE_FILES ${SOURCE_FILES} ${ANDROID_VIDEO_SOURCES}) 758 set(HAVE_SDL_VIDEO TRUE) 759 760 #enable gles 761 if(VIDEO_OPENGLES) 762 set(SDL_VIDEO_OPENGL_EGL 1) 763 set(HAVE_VIDEO_OPENGLES TRUE) 764 set(SDL_VIDEO_OPENGL_ES2 1) 765 set(SDL_VIDEO_RENDER_OGL_ES2 1) 766 endif() 767 endif() 768 list(APPEND EXTRA_LDFLAGS "-Wl,--undefined=Java_org_libsdl_app_SDLActivity_nativeInit") 769endif() 770 771# Platform-specific options and settings 772if(EMSCRIPTEN) 773 # Hide noisy warnings that intend to aid mostly during initial stages of porting a new 774 # project. Uncomment at will for verbose cross-compiling -I/../ path info. 775 add_definitions(-Wno-warn-absolute-paths) 776 if(SDL_AUDIO) 777 set(SDL_AUDIO_DRIVER_EMSCRIPTEN 1) 778 file(GLOB EM_AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/emscripten/*.c) 779 set(SOURCE_FILES ${SOURCE_FILES} ${EM_AUDIO_SOURCES}) 780 set(HAVE_SDL_AUDIO TRUE) 781 endif() 782 if(SDL_FILESYSTEM) 783 set(SDL_FILESYSTEM_EMSCRIPTEN 1) 784 file(GLOB EM_FILESYSTEM_SOURCES ${SDL2_SOURCE_DIR}/src/filesystem/emscripten/*.c) 785 set(SOURCE_FILES ${SOURCE_FILES} ${EM_FILESYSTEM_SOURCES}) 786 set(HAVE_SDL_FILESYSTEM TRUE) 787 endif() 788 if(SDL_JOYSTICK) 789 set(SDL_JOYSTICK_EMSCRIPTEN 1) 790 file(GLOB EM_JOYSTICK_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/emscripten/*.c) 791 set(SOURCE_FILES ${SOURCE_FILES} ${EM_JOYSTICK_SOURCES}) 792 set(HAVE_SDL_JOYSTICK TRUE) 793 endif() 794 if(SDL_POWER) 795 set(SDL_POWER_EMSCRIPTEN 1) 796 file(GLOB EM_POWER_SOURCES ${SDL2_SOURCE_DIR}/src/power/emscripten/*.c) 797 set(SOURCE_FILES ${SOURCE_FILES} ${EM_POWER_SOURCES}) 798 set(HAVE_SDL_POWER TRUE) 799 endif() 800 if(SDL_TIMERS) 801 set(SDL_TIMER_UNIX 1) 802 file(GLOB TIMER_SOURCES ${SDL2_SOURCE_DIR}/src/timer/unix/*.c) 803 set(SOURCE_FILES ${SOURCE_FILES} ${TIMER_SOURCES}) 804 set(HAVE_SDL_TIMERS TRUE) 805 806 if(CLOCK_GETTIME) 807 set(HAVE_CLOCK_GETTIME 1) 808 endif() 809 endif() 810 if(SDL_VIDEO) 811 set(SDL_VIDEO_DRIVER_EMSCRIPTEN 1) 812 file(GLOB EM_VIDEO_SOURCES ${SDL2_SOURCE_DIR}/src/video/emscripten/*.c) 813 set(SOURCE_FILES ${SOURCE_FILES} ${EM_VIDEO_SOURCES}) 814 set(HAVE_SDL_VIDEO TRUE) 815 816 #enable gles 817 if(VIDEO_OPENGLES) 818 set(SDL_VIDEO_OPENGL_EGL 1) 819 set(HAVE_VIDEO_OPENGLES TRUE) 820 set(SDL_VIDEO_OPENGL_ES2 1) 821 set(SDL_VIDEO_RENDER_OGL_ES2 1) 822 endif() 823 endif() 824elseif(UNIX AND NOT APPLE) 825 if(SDL_AUDIO) 826 if(SYSV5 OR SOLARIS OR HPUX) 827 set(SDL_AUDIO_DRIVER_SUNAUDIO 1) 828 file(GLOB SUN_AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/sun/*.c) 829 set(SOURCE_FILES ${SOURCE_FILES} ${SUN_AUDIO_SOURCES}) 830 set(HAVE_SDL_AUDIO TRUE) 831 elseif(NETBSD OR OPENBSD) 832 set(SDL_AUDIO_DRIVER_BSD 1) 833 file(GLOB BSD_AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/bsd/*.c) 834 set(SOURCE_FILES ${SOURCE_FILES} ${BSD_AUDIO_SOURCES}) 835 set(HAVE_SDL_AUDIO TRUE) 836 elseif(AIX) 837 set(SDL_AUDIO_DRIVER_PAUDIO 1) 838 file(GLOB AIX_AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/paudio/*.c) 839 set(SOURCE_FILES ${SOURCE_FILES} ${AIX_AUDIO_SOURCES}) 840 set(HAVE_SDL_AUDIO TRUE) 841 endif() 842 CheckOSS() 843 CheckALSA() 844 CheckPulseAudio() 845 CheckESD() 846 CheckARTS() 847 CheckNAS() 848 CheckSNDIO() 849 CheckFusionSound() 850 endif() 851 852 if(SDL_VIDEO) 853 # Need to check for Raspberry PI first and add platform specific compiler flags, otherwise the test for GLES fails! 854 CheckRPI() 855 CheckX11() 856 CheckMir() 857 CheckDirectFB() 858 CheckOpenGLX11() 859 CheckOpenGLESX11() 860 CheckWayland() 861 CheckVivante() 862 endif() 863 864 if(LINUX) 865 check_c_source_compiles(" 866 #include <linux/input.h> 867 #ifndef EVIOCGNAME 868 #error EVIOCGNAME() ioctl not available 869 #endif 870 int main(int argc, char** argv) {}" HAVE_INPUT_EVENTS) 871 872 check_c_source_compiles(" 873 #include <linux/kd.h> 874 #include <linux/keyboard.h> 875 876 int main(int argc, char **argv) 877 { 878 struct kbentry kbe; 879 kbe.kb_table = KG_CTRL; 880 ioctl(0, KDGKBENT, &kbe); 881 }" HAVE_INPUT_KD) 882 883 file(GLOB CORE_SOURCES ${SDL2_SOURCE_DIR}/src/core/linux/*.c) 884 set(SOURCE_FILES ${SOURCE_FILES} ${CORE_SOURCES}) 885 886 if(HAVE_INPUT_EVENTS) 887 set(SDL_INPUT_LINUXEV 1) 888 endif() 889 890 if(SDL_HAPTIC AND HAVE_INPUT_EVENTS) 891 set(SDL_HAPTIC_LINUX 1) 892 file(GLOB HAPTIC_SOURCES ${SDL2_SOURCE_DIR}/src/haptic/linux/*.c) 893 set(SOURCE_FILES ${SOURCE_FILES} ${HAPTIC_SOURCES}) 894 set(HAVE_SDL_HAPTIC TRUE) 895 endif() 896 897 if(HAVE_INPUT_KD) 898 set(SDL_INPUT_LINUXKD 1) 899 endif() 900 901 check_include_file("libudev.h" HAVE_LIBUDEV_H) 902 903 if(PKG_CONFIG_FOUND) 904 pkg_search_module(DBUS dbus-1 dbus) 905 if(DBUS_FOUND) 906 set(HAVE_DBUS_DBUS_H TRUE) 907 include_directories(${DBUS_INCLUDE_DIRS}) 908 list(APPEND EXTRA_LIBS ${DBUS_LIBRARIES}) 909 endif() 910 911 pkg_search_module(IBUS ibus-1.0 ibus) 912 if(IBUS_FOUND) 913 set(HAVE_IBUS_IBUS_H TRUE) 914 include_directories(${IBUS_INCLUDE_DIRS}) 915 list(APPEND EXTRA_LIBS ${IBUS_LIBRARIES}) 916 endif() 917 endif() 918 919 check_include_file("fcitx/frontend.h" HAVE_FCITX_FRONTEND_H) 920 921 endif() 922 923 if(INPUT_TSLIB) 924 check_c_source_compiles(" 925 #include \"tslib.h\" 926 int main(int argc, char** argv) { }" HAVE_INPUT_TSLIB) 927 if(HAVE_INPUT_TSLIB) 928 set(SDL_INPUT_TSLIB 1) 929 list(APPEND EXTRA_LIBS ts) 930 endif() 931 endif() 932 933 if(SDL_JOYSTICK) 934 CheckUSBHID() # seems to be BSD specific - limit the test to BSD only? 935 if(LINUX AND NOT ANDROID) 936 set(SDL_JOYSTICK_LINUX 1) 937 file(GLOB JOYSTICK_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/linux/*.c) 938 set(SOURCE_FILES ${SOURCE_FILES} ${JOYSTICK_SOURCES}) 939 set(HAVE_SDL_JOYSTICK TRUE) 940 endif() 941 endif() 942 943 CheckPTHREAD() 944 945 if(CLOCK_GETTIME) 946 check_library_exists(rt clock_gettime "" FOUND_CLOCK_GETTIME) 947 if(FOUND_CLOCK_GETTIME) 948 list(APPEND EXTRA_LIBS rt) 949 set(HAVE_CLOCK_GETTIME 1) 950 else() 951 check_library_exists(c clock_gettime "" FOUND_CLOCK_GETTIME) 952 if(FOUND_CLOCK_GETTIME) 953 set(HAVE_CLOCK_GETTIME 1) 954 endif() 955 endif() 956 endif() 957 958 check_include_file(linux/version.h HAVE_LINUX_VERSION_H) 959 if(HAVE_LINUX_VERSION_H) 960 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DHAVE_LINUX_VERSION_H") 961 endif() 962 963 if(SDL_POWER) 964 if(LINUX) 965 set(SDL_POWER_LINUX 1) 966 file(GLOB POWER_SOURCES ${SDL2_SOURCE_DIR}/src/power/linux/*.c) 967 set(SOURCE_FILES ${SOURCE_FILES} ${POWER_SOURCES}) 968 set(HAVE_SDL_POWER TRUE) 969 endif() 970 endif() 971 972 if(SDL_FILESYSTEM) 973 set(SDL_FILESYSTEM_UNIX 1) 974 file(GLOB FILESYSTEM_SOURCES ${SDL2_SOURCE_DIR}/src/filesystem/unix/*.c) 975 set(SOURCE_FILES ${SOURCE_FILES} ${FILESYSTEM_SOURCES}) 976 set(HAVE_SDL_FILESYSTEM TRUE) 977 endif() 978 979 if(SDL_TIMERS) 980 set(SDL_TIMER_UNIX 1) 981 file(GLOB TIMER_SOURCES ${SDL2_SOURCE_DIR}/src/timer/unix/*.c) 982 set(SOURCE_FILES ${SOURCE_FILES} ${TIMER_SOURCES}) 983 set(HAVE_SDL_TIMERS TRUE) 984 endif() 985 986 if(RPATH) 987 set(SDL_RLD_FLAGS "") 988 if(BSDI OR FREEBSD OR LINUX OR NETBSD) 989 set(CMAKE_REQUIRED_FLAGS "-Wl,--enable-new-dtags") 990 check_c_compiler_flag("" HAVE_ENABLE_NEW_DTAGS) 991 set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS}) 992 if(HAVE_ENABLE_NEW_DTAGS) 993 set(SDL_RLD_FLAGS "-Wl,-rpath,\${libdir} -Wl,--enable-new-dtags") 994 else() 995 set(SDL_RLD_FLAGS "-Wl,-rpath,\${libdir}") 996 endif() 997 elseif(SOLARIS) 998 set(SDL_RLD_FLAGS "-R\${libdir}") 999 endif() 1000 set(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE) 1001 set(HAVE_RPATH TRUE) 1002 endif() 1003 1004elseif(WINDOWS) 1005 find_program(WINDRES windres) 1006 1007 check_c_source_compiles(" 1008 #include <windows.h> 1009 int main(int argc, char **argv) { }" HAVE_WIN32_CC) 1010 1011 file(GLOB CORE_SOURCES ${SDL2_SOURCE_DIR}/src/core/windows/*.c) 1012 set(SOURCE_FILES ${SOURCE_FILES} ${CORE_SOURCES}) 1013 1014 if(MSVC) 1015 # Prevent codegen that would use the VC runtime libraries. 1016 add_definitions(/GS-) 1017 if(NOT ARCH_64) 1018 add_definitions(/arch:SSE) 1019 endif() 1020 endif() 1021 1022 # Check for DirectX 1023 if(DIRECTX) 1024 if(DEFINED MSVC_VERSION AND NOT ${MSVC_VERSION} LESS 1700) 1025 set(USE_WINSDK_DIRECTX TRUE) 1026 endif() 1027 if(NOT CMAKE_COMPILER_IS_MINGW AND NOT USE_WINSDK_DIRECTX) 1028 if("$ENV{DXSDK_DIR}" STREQUAL "") 1029 message_error("DIRECTX requires the \$DXSDK_DIR environment variable to be set") 1030 endif() 1031 set(CMAKE_REQUIRED_FLAGS "/I\"$ENV{DXSDK_DIR}\\Include\"") 1032 endif() 1033 1034 if(HAVE_WIN32_CC) 1035 # xinput.h may need windows.h, but doesn't include it itself. 1036 check_c_source_compiles(" 1037 #include <windows.h> 1038 #include <xinput.h> 1039 int main(int argc, char **argv) { }" HAVE_XINPUT_H) 1040 else() 1041 check_include_file(xinput.h HAVE_XINPUT_H) 1042 endif() 1043 1044 check_include_file(d3d9.h HAVE_D3D_H) 1045 check_include_file(d3d11_1.h HAVE_D3D11_H) 1046 check_include_file(ddraw.h HAVE_DDRAW_H) 1047 check_include_file(dsound.h HAVE_DSOUND_H) 1048 check_include_file(dinput.h HAVE_DINPUT_H) 1049 check_include_file(xaudio2.h HAVE_XAUDIO2_H) 1050 check_include_file(dxgi.h HAVE_DXGI_H) 1051 if(HAVE_D3D_H OR HAVE_D3D11_H OR HAVE_DDRAW_H OR HAVE_DSOUND_H OR HAVE_DINPUT_H OR HAVE_XAUDIO2_H) 1052 set(HAVE_DIRECTX TRUE) 1053 if(NOT CMAKE_COMPILER_IS_MINGW AND NOT USE_WINSDK_DIRECTX) 1054 # TODO: change $ENV{DXSDL_DIR} to get the path from the include checks 1055 link_directories($ENV{DXSDK_DIR}\\lib\\${PROCESSOR_ARCH}) 1056 include_directories($ENV{DXSDK_DIR}\\Include) 1057 endif() 1058 endif() 1059 set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS}) 1060 endif() 1061 1062 if(SDL_AUDIO) 1063 set(SDL_AUDIO_DRIVER_WINMM 1) 1064 file(GLOB WINMM_AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/winmm/*.c) 1065 set(SOURCE_FILES ${SOURCE_FILES} ${WINMM_AUDIO_SOURCES}) 1066 set(HAVE_SDL_AUDIO TRUE) 1067 1068 if(HAVE_DSOUND_H) 1069 set(SDL_AUDIO_DRIVER_DSOUND 1) 1070 file(GLOB DSOUND_AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/directsound/*.c) 1071 set(SOURCE_FILES ${SOURCE_FILES} ${DSOUND_AUDIO_SOURCES}) 1072 endif() 1073 1074 if(HAVE_XAUDIO2_H) 1075 set(SDL_AUDIO_DRIVER_XAUDIO2 1) 1076 file(GLOB XAUDIO2_AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/xaudio2/*.c) 1077 set(SOURCE_FILES ${SOURCE_FILES} ${XAUDIO2_AUDIO_SOURCES}) 1078 endif() 1079 endif() 1080 1081 if(SDL_VIDEO) 1082 # requires SDL_LOADSO on Windows (IME, DX, etc.) 1083 if(NOT SDL_LOADSO) 1084 message_error("SDL_VIDEO requires SDL_LOADSO, which is not enabled") 1085 endif() 1086 set(SDL_VIDEO_DRIVER_WINDOWS 1) 1087 file(GLOB WIN_VIDEO_SOURCES ${SDL2_SOURCE_DIR}/src/video/windows/*.c) 1088 set(SOURCE_FILES ${SOURCE_FILES} ${WIN_VIDEO_SOURCES}) 1089 1090 if(RENDER_D3D AND HAVE_D3D_H) 1091 set(SDL_VIDEO_RENDER_D3D 1) 1092 set(HAVE_RENDER_D3D TRUE) 1093 endif() 1094 if(RENDER_D3D AND HAVE_D3D11_H) 1095 set(SDL_VIDEO_RENDER_D3D11 1) 1096 set(HAVE_RENDER_D3D TRUE) 1097 endif() 1098 set(HAVE_SDL_VIDEO TRUE) 1099 endif() 1100 1101 if(SDL_THREADS) 1102 set(SDL_THREAD_WINDOWS 1) 1103 set(SOURCE_FILES ${SOURCE_FILES} 1104 ${SDL2_SOURCE_DIR}/src/thread/windows/SDL_sysmutex.c 1105 ${SDL2_SOURCE_DIR}/src/thread/windows/SDL_syssem.c 1106 ${SDL2_SOURCE_DIR}/src/thread/windows/SDL_systhread.c 1107 ${SDL2_SOURCE_DIR}/src/thread/windows/SDL_systls.c 1108 ${SDL2_SOURCE_DIR}/src/thread/generic/SDL_syscond.c) 1109 set(HAVE_SDL_THREADS TRUE) 1110 endif() 1111 1112 if(SDL_POWER) 1113 set(SDL_POWER_WINDOWS 1) 1114 set(SOURCE_FILES ${SOURCE_FILES} ${SDL2_SOURCE_DIR}/src/power/windows/SDL_syspower.c) 1115 set(HAVE_SDL_POWER TRUE) 1116 endif() 1117 1118 if(SDL_FILESYSTEM) 1119 set(SDL_FILESYSTEM_WINDOWS 1) 1120 file(GLOB FILESYSTEM_SOURCES ${SDL2_SOURCE_DIR}/src/filesystem/windows/*.c) 1121 set(SOURCE_FILES ${SOURCE_FILES} ${FILESYSTEM_SOURCES}) 1122 set(HAVE_SDL_FILESYSTEM TRUE) 1123 endif() 1124 1125 # Libraries for Win32 native and MinGW 1126 list(APPEND EXTRA_LIBS user32 gdi32 winmm imm32 ole32 oleaut32 version uuid) 1127 1128 # TODO: in configure.in the check for timers is set on 1129 # cygwin | mingw32* - does this include mingw32CE? 1130 if(SDL_TIMERS) 1131 set(SDL_TIMER_WINDOWS 1) 1132 file(GLOB TIMER_SOURCES ${SDL2_SOURCE_DIR}/src/timer/windows/*.c) 1133 set(SOURCE_FILES ${SOURCE_FILES} ${TIMER_SOURCES}) 1134 set(HAVE_SDL_TIMERS TRUE) 1135 endif() 1136 1137 if(SDL_LOADSO) 1138 set(SDL_LOADSO_WINDOWS 1) 1139 file(GLOB LOADSO_SOURCES ${SDL2_SOURCE_DIR}/src/loadso/windows/*.c) 1140 set(SOURCE_FILES ${SOURCE_FILES} ${LOADSO_SOURCES}) 1141 set(HAVE_SDL_LOADSO TRUE) 1142 endif() 1143 1144 file(GLOB CORE_SOURCES ${SDL2_SOURCE_DIR}/src/core/windows/*.c) 1145 set(SOURCE_FILES ${SOURCE_FILES} ${CORE_SOURCES}) 1146 1147 if(SDL_VIDEO) 1148 if(VIDEO_OPENGL) 1149 set(SDL_VIDEO_OPENGL 1) 1150 set(SDL_VIDEO_OPENGL_WGL 1) 1151 set(SDL_VIDEO_RENDER_OGL 1) 1152 set(HAVE_VIDEO_OPENGL TRUE) 1153 endif() 1154 1155 if(VIDEO_OPENGLES) 1156 set(SDL_VIDEO_OPENGL_EGL 1) 1157 set(SDL_VIDEO_OPENGL_ES2 1) 1158 set(SDL_VIDEO_RENDER_OGL_ES2 1) 1159 set(HAVE_VIDEO_OPENGLES TRUE) 1160 endif() 1161 endif() 1162 1163 if(SDL_JOYSTICK) 1164 file(GLOB JOYSTICK_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/windows/*.c) 1165 set(SOURCE_FILES ${SOURCE_FILES} ${JOYSTICK_SOURCES}) 1166 if(HAVE_DINPUT_H) 1167 set(SDL_JOYSTICK_DINPUT 1) 1168 list(APPEND EXTRA_LIBS dinput8) 1169 if(CMAKE_COMPILER_IS_MINGW) 1170 list(APPEND EXTRA_LIBS dxerr8) 1171 elseif (NOT USE_WINSDK_DIRECTX) 1172 list(APPEND EXTRA_LIBS dxerr) 1173 endif() 1174 endif() 1175 if(HAVE_XINPUT_H) 1176 set(SDL_JOYSTICK_XINPUT 1) 1177 endif() 1178 if(NOT HAVE_DINPUT_H AND NOT HAVE_XINPUT_H) 1179 set(SDL_JOYSTICK_WINMM 1) 1180 endif() 1181 set(HAVE_SDL_JOYSTICK TRUE) 1182 1183 if(SDL_HAPTIC) 1184 if(HAVE_DINPUT_H OR HAVE_XINPUT_H) 1185 file(GLOB HAPTIC_SOURCES ${SDL2_SOURCE_DIR}/src/haptic/windows/*.c) 1186 if(HAVE_DINPUT_H) 1187 set(SDL_HAPTIC_DINPUT 1) 1188 endif() 1189 if(HAVE_XINPUT_H) 1190 set(SDL_HAPTIC_XINPUT 1) 1191 endif() 1192 else() 1193 file(GLOB HAPTIC_SOURCES ${SDL2_SOURCE_DIR}/src/haptic/dummy/*.c) 1194 set(SDL_HAPTIC_DUMMY 1) 1195 endif() 1196 set(SOURCE_FILES ${SOURCE_FILES} ${HAPTIC_SOURCES}) 1197 set(HAVE_SDL_HAPTIC TRUE) 1198 endif() 1199 endif() 1200 1201 file(GLOB VERSION_SOURCES ${SDL2_SOURCE_DIR}/src/main/windows/*.rc) 1202 file(GLOB SDLMAIN_SOURCES ${SDL2_SOURCE_DIR}/src/main/windows/*.c) 1203 if(MINGW OR CYGWIN) 1204 list(APPEND EXTRA_LIBS mingw32) 1205 list(APPEND EXTRA_LDFLAGS "-mwindows") 1206 set(SDL_CFLAGS "${SDL_CFLAGS} -Dmain=SDL_main") 1207 list(APPEND SDL_LIBS "-lmingw32" "-lSDL2main" "-mwindows") 1208 endif() 1209elseif(APPLE) 1210 # TODO: rework this for proper MacOS X, iOS and Darwin support 1211 1212 # Requires the darwin file implementation 1213 if(SDL_FILE) 1214 file(GLOB EXTRA_SOURCES ${SDL2_SOURCE_DIR}/src/file/cocoa/*.m) 1215 set(SOURCE_FILES ${EXTRA_SOURCES} ${SOURCE_FILES}) 1216 set_source_files_properties(${EXTRA_SOURCES} PROPERTIES LANGUAGE C) 1217 set(HAVE_SDL_FILE TRUE) 1218 set(SDL_FRAMEWORK_COCOA 1) 1219 set(SDL_FRAMEWORK_COREVIDEO 1) 1220 else() 1221 message_error("SDL_FILE must be enabled to build on MacOS X") 1222 endif() 1223 1224 if(SDL_AUDIO) 1225 set(SDL_AUDIO_DRIVER_COREAUDIO 1) 1226 file(GLOB AUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/coreaudio/*.m) 1227 set(SOURCE_FILES ${SOURCE_FILES} ${AUDIO_SOURCES}) 1228 set(HAVE_SDL_AUDIO TRUE) 1229 set(SDL_FRAMEWORK_COREAUDIO 1) 1230 set(SDL_FRAMEWORK_AUDIOTOOLBOX 1) 1231 endif() 1232 1233 if(SDL_JOYSTICK) 1234 set(SDL_JOYSTICK_IOKIT 1) 1235 if (IOS) 1236 file(GLOB JOYSTICK_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/iphoneos/*.m) 1237 else() 1238 file(GLOB JOYSTICK_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/darwin/*.c) 1239 endif() 1240 set(SOURCE_FILES ${SOURCE_FILES} ${JOYSTICK_SOURCES}) 1241 set(HAVE_SDL_JOYSTICK TRUE) 1242 set(SDL_FRAMEWORK_IOKIT 1) 1243 set(SDL_FRAMEWORK_FF 1) 1244 endif() 1245 1246 if(SDL_HAPTIC) 1247 set(SDL_HAPTIC_IOKIT 1) 1248 if (IOS) 1249 file(GLOB POWER_SOURCES ${SDL2_SOURCE_DIR}/src/power/dummy/*.c) 1250 set(SDL_HAPTIC_DUMMY 1) 1251 else() 1252 file(GLOB HAPTIC_SOURCES ${SDL2_SOURCE_DIR}/src/haptic/darwin/*.c) 1253 endif() 1254 set(SOURCE_FILES ${SOURCE_FILES} ${HAPTIC_SOURCES}) 1255 set(HAVE_SDL_HAPTIC TRUE) 1256 set(SDL_FRAMEWORK_IOKIT 1) 1257 set(SDL_FRAMEWORK_FF 1) 1258 if(NOT SDL_JOYSTICK) 1259 message(FATAL_ERROR "SDL_HAPTIC requires SDL_JOYSTICK to be enabled") 1260 endif() 1261 endif() 1262 1263 if(SDL_POWER) 1264 set(SDL_POWER_MACOSX 1) 1265 if (IOS) 1266 file(GLOB POWER_SOURCES ${SDL2_SOURCE_DIR}/src/power/uikit/*.m) 1267 else() 1268 file(GLOB POWER_SOURCES ${SDL2_SOURCE_DIR}/src/power/macosx/*.c) 1269 endif() 1270 set(SOURCE_FILES ${SOURCE_FILES} ${POWER_SOURCES}) 1271 set(HAVE_SDL_POWER TRUE) 1272 set(SDL_FRAMEWORK_CARBON 1) 1273 set(SDL_FRAMEWORK_IOKIT 1) 1274 endif() 1275 1276 if(SDL_TIMERS) 1277 set(SDL_TIMER_UNIX 1) 1278 file(GLOB TIMER_SOURCES ${SDL2_SOURCE_DIR}/src/timer/unix/*.c) 1279 set(SOURCE_FILES ${SOURCE_FILES} ${TIMER_SOURCES}) 1280 set(HAVE_SDL_TIMERS TRUE) 1281 endif(SDL_TIMERS) 1282 1283 if(SDL_FILESYSTEM) 1284 set(SDL_FILESYSTEM_COCOA 1) 1285 file(GLOB FILESYSTEM_SOURCES ${SDL2_SOURCE_DIR}/src/filesystem/cocoa/*.m) 1286 set_source_files_properties(${FILESYSTEM_SOURCES} PROPERTIES LANGUAGE C) 1287 set(SOURCE_FILES ${SOURCE_FILES} ${FILESYSTEM_SOURCES}) 1288 set(HAVE_SDL_FILESYSTEM TRUE) 1289 endif() 1290 1291 # Actually load the frameworks at the end so we don't duplicate include. 1292 if(SDL_FRAMEWORK_COREVIDEO) 1293 find_library(COREVIDEO CoreVideo) 1294 list(APPEND EXTRA_LIBS ${COREVIDEO}) 1295 endif() 1296 if(SDL_FRAMEWORK_COCOA) 1297 find_library(COCOA_LIBRARY Cocoa) 1298 list(APPEND EXTRA_LIBS ${COCOA_LIBRARY}) 1299 endif() 1300 if(SDL_FRAMEWORK_IOKIT) 1301 find_library(IOKIT IOKit) 1302 list(APPEND EXTRA_LIBS ${IOKIT}) 1303 endif() 1304 if(SDL_FRAMEWORK_FF) 1305 find_library(FORCEFEEDBACK ForceFeedback) 1306 list(APPEND EXTRA_LIBS ${FORCEFEEDBACK}) 1307 endif() 1308 if(SDL_FRAMEWORK_CARBON) 1309 find_library(CARBON_LIBRARY Carbon) 1310 list(APPEND EXTRA_LIBS ${CARBON_LIBRARY}) 1311 endif() 1312 if(SDL_FRAMEWORK_COREAUDIO) 1313 find_library(COREAUDIO CoreAudio) 1314 list(APPEND EXTRA_LIBS ${COREAUDIO}) 1315 endif() 1316 if(SDL_FRAMEWORK_AUDIOTOOLBOX) 1317 find_library(AUDIOTOOLBOX AudioToolbox) 1318 list(APPEND EXTRA_LIBS ${AUDIOTOOLBOX}) 1319 endif() 1320 1321 # iOS hack needed - http://code.google.com/p/ios-cmake/ ? 1322 if(SDL_VIDEO) 1323 if (IOS) 1324 set(SDL_VIDEO_DRIVER_UIKIT 1) 1325 file(GLOB UIKITVIDEO_SOURCES ${SDL2_SOURCE_DIR}/src/video/uikit/*.m) 1326 set(SOURCE_FILES ${SOURCE_FILES} ${UIKITVIDEO_SOURCES}) 1327 else() 1328 CheckCOCOA() 1329 if(VIDEO_OPENGL) 1330 set(SDL_VIDEO_OPENGL 1) 1331 set(SDL_VIDEO_OPENGL_CGL 1) 1332 set(SDL_VIDEO_RENDER_OGL 1) 1333 set(HAVE_VIDEO_OPENGL TRUE) 1334 endif() 1335 endif() 1336 endif() 1337 1338 CheckPTHREAD() 1339elseif(HAIKU) 1340 if(SDL_VIDEO) 1341 set(SDL_VIDEO_DRIVER_HAIKU 1) 1342 file(GLOB HAIKUVIDEO_SOURCES ${SDL2_SOURCE_DIR}/src/video/haiku/*.c) 1343 set(SOURCE_FILES ${SOURCE_FILES} ${HAIKUVIDEO_SOURCES}) 1344 set(HAVE_SDL_VIDEO TRUE) 1345 1346 set(SDL_FILESYSTEM_HAIKU 1) 1347 file(GLOB FILESYSTEM_SOURCES ${SDL2_SOURCE_DIR}/src/filesystem/haiku/*.cc) 1348 set(SOURCE_FILES ${SOURCE_FILES} ${FILESYSTEM_SOURCES}) 1349 set(HAVE_SDL_FILESYSTEM TRUE) 1350 1351 if(SDL_TIMERS) 1352 set(SDL_TIMER_HAIKU 1) 1353 file(GLOB TIMER_SOURCES ${SDL2_SOURCE_DIR}/src/timer/haiku/*.c) 1354 set(SOURCE_FILES ${SOURCE_FILES} ${TIMER_SOURCES}) 1355 set(HAVE_SDL_TIMERS TRUE) 1356 endif(SDL_TIMERS) 1357 1358 if(VIDEO_OPENGL) 1359 # TODO: Use FIND_PACKAGE(OpenGL) instead 1360 set(SDL_VIDEO_OPENGL 1) 1361 set(SDL_VIDEO_OPENGL_BGL 1) 1362 set(SDL_VIDEO_RENDER_OGL 1) 1363 list(APPEND EXTRA_LIBS GL) 1364 set(HAVE_VIDEO_OPENGL TRUE) 1365 endif() 1366 endif() 1367 1368 CheckPTHREAD() 1369endif() 1370 1371# Dummies 1372# configure.in does it differently: 1373# if not have X 1374# if enable_X { SDL_X_DISABLED = 1 } 1375# [add dummy sources] 1376# so it always adds a dummy, without checking, if it was actually requested. 1377# This leads to missing internal references on building, since the 1378# src/X/*.c does not get included. 1379if(NOT HAVE_SDL_JOYSTICK) 1380 set(SDL_JOYSTICK_DISABLED 1) 1381 if(SDL_JOYSTICK AND NOT APPLE) # results in unresolved symbols on OSX 1382 1383 file(GLOB JOYSTICK_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/dummy/*.c) 1384 set(SOURCE_FILES ${SOURCE_FILES} ${JOYSTICK_SOURCES}) 1385 endif() 1386endif() 1387if(NOT HAVE_SDL_HAPTIC) 1388 set(SDL_HAPTIC_DISABLED 1) 1389 file(GLOB HAPTIC_SOURCES ${SDL2_SOURCE_DIR}/src/haptic/dummy/*.c) 1390 set(SOURCE_FILES ${SOURCE_FILES} ${HAPTIC_SOURCES}) 1391endif() 1392if(NOT HAVE_SDL_LOADSO) 1393 set(SDL_LOADSO_DISABLED 1) 1394 file(GLOB LOADSO_SOURCES ${SDL2_SOURCE_DIR}/src/loadso/dummy/*.c) 1395 set(SOURCE_FILES ${SOURCE_FILES} ${LOADSO_SOURCES}) 1396endif() 1397if(NOT HAVE_SDL_FILESYSTEM) 1398 set(SDL_FILESYSTEM_DISABLED 1) 1399 file(GLOB FILESYSTEM_SOURCES ${SDL2_SOURCE_DIR}/src/filesystem/dummy/*.c) 1400 set(SOURCE_FILES ${SOURCE_FILES} ${FILESYSTEM_SOURCES}) 1401endif() 1402 1403# We always need to have threads and timers around 1404if(NOT HAVE_SDL_THREADS) 1405 set(SDL_THREADS_DISABLED 1) 1406 file(GLOB THREADS_SOURCES ${SDL2_SOURCE_DIR}/src/thread/generic/*.c) 1407 set(SOURCE_FILES ${SOURCE_FILES} ${THREADS_SOURCES}) 1408endif() 1409if(NOT HAVE_SDL_TIMERS) 1410 set(SDL_TIMERS_DISABLED 1) 1411 file(GLOB TIMER_SOURCES ${SDL2_SOURCE_DIR}/src/timer/dummy/*.c) 1412 set(SOURCE_FILES ${SOURCE_FILES} ${TIMER_SOURCES}) 1413endif() 1414 1415if(NOT SDLMAIN_SOURCES) 1416 file(GLOB SDLMAIN_SOURCES ${SDL2_SOURCE_DIR}/src/main/dummy/*.c) 1417endif() 1418 1419# Append the -MMD -MT flags 1420# if(DEPENDENCY_TRACKING) 1421# if(COMPILER_IS_GNUCC) 1422# set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -MMD -MT \$@") 1423# endif() 1424# endif() 1425 1426configure_file("${SDL2_SOURCE_DIR}/include/SDL_config.h.cmake" 1427 "${SDL2_BINARY_DIR}/include/SDL_config.h") 1428 1429# Prepare the flags and remove duplicates 1430if(EXTRA_LDFLAGS) 1431 list(REMOVE_DUPLICATES EXTRA_LDFLAGS) 1432endif() 1433if(EXTRA_LIBS) 1434 list(REMOVE_DUPLICATES EXTRA_LIBS) 1435endif() 1436if(EXTRA_CFLAGS) 1437 list(REMOVE_DUPLICATES EXTRA_CFLAGS) 1438endif() 1439listtostr(EXTRA_CFLAGS _EXTRA_CFLAGS) 1440set(EXTRA_CFLAGS ${_EXTRA_CFLAGS}) 1441 1442# Compat helpers for the configuration files 1443if(NOT WINDOWS OR CYGWIN) 1444 # TODO: we need a Windows script, too 1445 execute_process(COMMAND sh ${SDL2_SOURCE_DIR}/build-scripts/updaterev.sh) 1446 1447 set(prefix ${CMAKE_INSTALL_PREFIX}) 1448 set(exec_prefix "\${prefix}") 1449 set(libdir "\${exec_prefix}/lib${LIB_SUFFIX}") 1450 set(bindir "\${exec_prefix}/bin") 1451 set(includedir "\${prefix}/include") 1452 if(SDL_STATIC) 1453 set(ENABLE_STATIC_TRUE "") 1454 set(ENABLE_STATIC_FALSE "#") 1455 else() 1456 set(ENABLE_STATIC_TRUE "#") 1457 set(ENABLE_STATIC_FALSE "") 1458 endif() 1459 if(SDL_SHARED) 1460 set(ENABLE_SHARED_TRUE "") 1461 set(ENABLE_SHARED_FALSE "#") 1462 else() 1463 set(ENABLE_SHARED_TRUE "#") 1464 set(ENABLE_SHARED_FALSE "") 1465 endif() 1466 1467 # Clean up the different lists 1468 listtostr(EXTRA_LIBS _EXTRA_LIBS "-l") 1469 set(SDL_STATIC_LIBS ${SDL_LIBS} ${EXTRA_LDFLAGS} ${_EXTRA_LIBS}) 1470 list(REMOVE_DUPLICATES SDL_STATIC_LIBS) 1471 listtostr(SDL_STATIC_LIBS _SDL_STATIC_LIBS) 1472 set(SDL_STATIC_LIBS ${_SDL_STATIC_LIBS}) 1473 listtostr(SDL_LIBS _SDL_LIBS) 1474 set(SDL_LIBS ${_SDL_LIBS}) 1475 1476 # MESSAGE(STATUS "SDL_LIBS: ${SDL_LIBS}") 1477 # MESSAGE(STATUS "SDL_STATIC_LIBS: ${SDL_STATIC_LIBS}") 1478 1479 configure_file("${SDL2_SOURCE_DIR}/sdl2.pc.in" 1480 "${SDL2_BINARY_DIR}/sdl2.pc" @ONLY) 1481 configure_file("${SDL2_SOURCE_DIR}/sdl2-config.in" 1482 "${SDL2_BINARY_DIR}/sdl2-config") 1483 configure_file("${SDL2_SOURCE_DIR}/sdl2-config.in" 1484 "${SDL2_BINARY_DIR}/sdl2-config" @ONLY) 1485 configure_file("${SDL2_SOURCE_DIR}/SDL2.spec.in" 1486 "${SDL2_BINARY_DIR}/SDL2.spec" @ONLY) 1487endif() 1488 1489##### Info output ##### 1490message(STATUS "") 1491message(STATUS "SDL2 was configured with the following options:") 1492message(STATUS "") 1493message(STATUS "Platform: ${CMAKE_SYSTEM}") 1494message(STATUS "64-bit: ${ARCH_64}") 1495message(STATUS "Compiler: ${CMAKE_C_COMPILER}") 1496message(STATUS "") 1497message(STATUS "Subsystems:") 1498foreach(_SUB ${SDL_SUBSYSTEMS}) 1499 string(TOUPPER ${_SUB} _OPT) 1500 message_bool_option(${_SUB} SDL_${_OPT}) 1501endforeach() 1502message(STATUS "") 1503message(STATUS "Options:") 1504list(SORT ALLOPTIONS) 1505foreach(_OPT ${ALLOPTIONS}) 1506 # Longest option is VIDEO_X11_XSCREENSAVER = 22 characters 1507 # Get the padding 1508 string(LENGTH ${_OPT} _OPTLEN) 1509 math(EXPR _PADLEN "23 - ${_OPTLEN}") 1510 string(RANDOM LENGTH ${_PADLEN} ALPHABET " " _PADDING) 1511 message_tested_option(${_OPT} ${_PADDING}) 1512endforeach() 1513message(STATUS "") 1514message(STATUS " CFLAGS: ${CMAKE_C_FLAGS}") 1515message(STATUS " EXTRA_CFLAGS: ${EXTRA_CFLAGS}") 1516message(STATUS " EXTRA_LDFLAGS: ${EXTRA_LDFLAGS}") 1517message(STATUS " EXTRA_LIBS: ${EXTRA_LIBS}") 1518message(STATUS "") 1519message(STATUS " Build Shared Library: ${SDL_SHARED}") 1520message(STATUS " Build Static Library: ${SDL_STATIC}") 1521if(SDL_STATIC) 1522 message(STATUS " Build Static Library with Position Independent Code: ${SDL_STATIC_PIC}") 1523endif() 1524message(STATUS "") 1525if(UNIX) 1526 message(STATUS "If something was not detected, although the libraries") 1527 message(STATUS "were installed, then make sure you have set the") 1528 message(STATUS "CFLAGS and LDFLAGS environment variables correctly.") 1529 message(STATUS "") 1530endif() 1531 1532# Ensure that the extra cflags are used at compile time 1533set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_CFLAGS}") 1534 1535# Always build SDLmain 1536add_library(SDL2main STATIC ${SDLMAIN_SOURCES}) 1537set(_INSTALL_LIBS "SDL2main") 1538 1539if(SDL_SHARED) 1540 add_library(SDL2 SHARED ${SOURCE_FILES} ${VERSION_SOURCES}) 1541 if(UNIX) 1542 set_target_properties(SDL2 PROPERTIES 1543 VERSION ${LT_VERSION} 1544 SOVERSION ${LT_REVISION} 1545 OUTPUT_NAME "SDL2-${LT_RELEASE}") 1546 else() 1547 set_target_properties(SDL2 PROPERTIES 1548 VERSION ${SDL_VERSION} 1549 SOVERSION ${LT_REVISION} 1550 OUTPUT_NAME "SDL2") 1551 endif() 1552 if(MSVC) 1553 # Don't try to link with the default set of libraries. 1554 set_target_properties(SDL2 PROPERTIES LINK_FLAGS_RELEASE "/NODEFAULTLIB") 1555 set_target_properties(SDL2 PROPERTIES LINK_FLAGS_DEBUG "/NODEFAULTLIB") 1556 set_target_properties(SDL2 PROPERTIES STATIC_LIBRARY_FLAGS "/NODEFAULTLIB") 1557 endif() 1558 set(_INSTALL_LIBS "SDL2" ${_INSTALL_LIBS}) 1559 target_link_libraries(SDL2 ${EXTRA_LIBS} ${EXTRA_LDFLAGS}) 1560endif() 1561 1562if(SDL_STATIC) 1563 set (BUILD_SHARED_LIBS FALSE) 1564 add_library(SDL2-static STATIC ${SOURCE_FILES}) 1565 set_target_properties(SDL2-static PROPERTIES OUTPUT_NAME "SDL2") 1566 set_target_properties(SDL2-static PROPERTIES POSITION_INDEPENDENT_CODE ${SDL_STATIC_PIC}) 1567 if(MSVC) 1568 set_target_properties(SDL2-static PROPERTIES LINK_FLAGS_RELEASE "/NODEFAULTLIB") 1569 set_target_properties(SDL2-static PROPERTIES LINK_FLAGS_DEBUG "/NODEFAULTLIB") 1570 set_target_properties(SDL2-static PROPERTIES STATIC_LIBRARY_FLAGS "/NODEFAULTLIB") 1571 endif() 1572 # TODO: Win32 platforms keep the same suffix .lib for import and static 1573 # libraries - do we need to consider this? 1574 set(_INSTALL_LIBS "SDL2-static" ${_INSTALL_LIBS}) 1575 target_link_libraries(SDL2-static ${EXTRA_LIBS} ${EXTRA_LDFLAGS}) 1576endif() 1577 1578##### Installation targets ##### 1579install(TARGETS ${_INSTALL_LIBS} 1580 LIBRARY DESTINATION "lib${LIB_SUFFIX}" 1581 ARCHIVE DESTINATION "lib${LIB_SUFFIX}" 1582 RUNTIME DESTINATION bin) 1583 1584file(GLOB INCLUDE_FILES ${SDL2_SOURCE_DIR}/include/*.h) 1585file(GLOB BIN_INCLUDE_FILES ${SDL2_BINARY_DIR}/include/*.h) 1586foreach(_FNAME ${BIN_INCLUDE_FILES}) 1587 get_filename_component(_INCNAME ${_FNAME} NAME) 1588 list(REMOVE_ITEM INCLUDE_FILES ${SDL2_SOURCE_DIR}/include/${_INCNAME}) 1589endforeach() 1590list(APPEND INCLUDE_FILES ${BIN_INCLUDE_FILES}) 1591install(FILES ${INCLUDE_FILES} DESTINATION include/SDL2) 1592 1593if(NOT (WINDOWS OR CYGWIN)) 1594 if(SDL_SHARED) 1595 if (APPLE) 1596 set(SOEXT "dylib") 1597 else() 1598 set(SOEXT "so") 1599 endif() 1600 install(CODE " 1601 execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink 1602 \"libSDL2-2.0.${SOEXT}\" \"libSDL2.${SOEXT}\")") 1603 install(FILES ${SDL2_BINARY_DIR}/libSDL2.${SOEXT} DESTINATION "lib${LIB_SUFFIX}") 1604 endif() 1605 if(FREEBSD) 1606 # FreeBSD uses ${PREFIX}/libdata/pkgconfig 1607 install(FILES ${SDL2_BINARY_DIR}/sdl2.pc DESTINATION "libdata/pkgconfig") 1608 else() 1609 install(FILES ${SDL2_BINARY_DIR}/sdl2.pc 1610 DESTINATION "lib${LIB_SUFFIX}/pkgconfig") 1611 endif() 1612 install(PROGRAMS ${SDL2_BINARY_DIR}/sdl2-config DESTINATION bin) 1613 # TODO: what about the .spec file? Is it only needed for RPM creation? 1614 install(FILES "${SDL2_SOURCE_DIR}/sdl2.m4" DESTINATION "${CMAKE_INSTALL_FULL_DATAROOTDIR}/aclocal") 1615endif() 1616 1617##### Uninstall target ##### 1618 1619configure_file( 1620 "${CMAKE_CURRENT_SOURCE_DIR}/cmake_uninstall.cmake.in" 1621 "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake" 1622 IMMEDIATE @ONLY) 1623 1624add_custom_target(uninstall 1625 COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake) 1626