CMakeLists.txt

   1 # CMake build file list for OpenAL
   2
   3 CMAKE_MINIMUM_REQUIRED(VERSION 2.4)
   4
   5 IF(COMMAND CMAKE_POLICY)
   6   CMAKE_POLICY(SET CMP0003 NEW)
   7 ENDIF(COMMAND CMAKE_POLICY)
   8
   9 SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
  10
  11 INCLUDE(CheckFunctionExists)
  12 INCLUDE(CheckLibraryExists)
  13 INCLUDE(CheckSharedFunctionExists)
  14 INCLUDE(CheckIncludeFile)
  15 INCLUDE(CheckIncludeFiles)
  16 INCLUDE(CheckSymbolExists)
  17 INCLUDE(CheckCCompilerFlag)
  18 INCLUDE(CheckCSourceCompiles)
  19 INCLUDE(CheckTypeSize)
  20 INCLUDE(FindPkgConfig)
  21
  22
  23 PROJECT(OpenAL C)
  24
  25
  26 SET(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS TRUE)
  27
  28
  29 OPTION(ALSOFT_CPUEXT_SSE  "Check for SSE CPU extensions"      ON)
  30 OPTION(ALSOFT_CPUEXT_NEON "Check for ARM Neon CPU extensions" ON)
  31
  32 OPTION(ALSOFT_REQUIRE_SSE  "Require SSE CPU extensions"      OFF)
  33 OPTION(ALSOFT_REQUIRE_NEON "Require ARM Neon CPU extensions" OFF)
  34
  35
  36 OPTION(ALSOFT_BACKEND_ALSA    "Check for ALSA backend"                ON)
  37 OPTION(ALSOFT_BACKEND_OSS     "Check for OSS backend"                 ON)
  38 OPTION(ALSOFT_BACKEND_SOLARIS "Check for Solaris backend"             ON)
  39 OPTION(ALSOFT_BACKEND_SNDIO   "Check for SndIO backend"               ON)
  40 OPTION(ALSOFT_BACKEND_MMDEVAPI "Check for MMDevApi"                   ON)
  41 OPTION(ALSOFT_BACKEND_DSOUND  "Check for DirectSound backend"         ON)
  42 OPTION(ALSOFT_BACKEND_WINMM   "Check for Windows Multimedia backend"  ON)
  43 OPTION(ALSOFT_BACKEND_PORTAUDIO  "Check for PortAudio backend"        ON)
  44 OPTION(ALSOFT_BACKEND_PULSEAUDIO "Check for PulseAudio backend"       ON)
  45 OPTION(ALSOFT_BACKEND_COREAUDIO  "Check for CoreAudio backend"        ON)
  46 OPTION(ALSOFT_BACKEND_OPENSL     "Check for OpenSL backend"           ON)
  47 OPTION(ALSOFT_BACKEND_WAVE    "Enable Wave Writer backend"            ON)
  48
  49 OPTION(ALSOFT_REQUIRE_ALSA       "Require ALSA backend"               OFF)
  50 OPTION(ALSOFT_REQUIRE_OSS        "Require OSS backend"                OFF)
  51 OPTION(ALSOFT_REQUIRE_SOLARIS    "Require Solaris backend"            OFF)
  52 OPTION(ALSOFT_REQUIRE_SNDIO      "Require SndIO backend"              OFF)
  53 OPTION(ALSOFT_REQUIRE_MMDEVAPI   "Require MMDevApi"                   OFF)
  54 OPTION(ALSOFT_REQUIRE_DSOUND     "Require DirectSound backend"        OFF)
  55 OPTION(ALSOFT_REQUIRE_WINMM      "Require Windows Multimedia backend" OFF)
  56 OPTION(ALSOFT_REQUIRE_PORTAUDIO  "Require PortAudio backend"          OFF)
  57 OPTION(ALSOFT_REQUIRE_PULSEAUDIO "Require PulseAudio backend"         OFF)
  58 OPTION(ALSOFT_REQUIRE_COREAUDIO  "Require CoreAudio backend"          OFF)
  59 OPTION(ALSOFT_REQUIRE_OPENSL     "Require OpenSL backend"             OFF)
  60
  61 OPTION(ALSOFT_DLOPEN  "Check for the dlopen API for loading optional libs"  ON)
  62
  63 OPTION(ALSOFT_WERROR  "Treat compile warnings as errors"      OFF)
  64
  65 OPTION(ALSOFT_UTILS  "Build and install utility programs"  ON)
  66
  67 OPTION(ALSOFT_EXAMPLES  "Build and install example programs"  ON)
  68
  69 OPTION(ALSOFT_CONFIG "Install alsoft.conf sample configuration file" ON)
  70
  71
  72 IF(WIN32)
  73     SET(LIBNAME OpenAL32)
  74     ADD_DEFINITIONS("-D_WIN32 -D_WIN32_WINNT=0x0501")
  75 ELSE()
  76     SET(LIBNAME openal)
  77 ENDIF()
  78
  79 IF(NOT LIBTYPE)
  80     SET(LIBTYPE SHARED)
  81 ENDIF()
  82
  83 SET(LIB_MAJOR_VERSION "1")
  84 SET(LIB_MINOR_VERSION "15")
  85 SET(LIB_REVISION "1")
  86 SET(LIB_VERSION "${LIB_MAJOR_VERSION}.${LIB_MINOR_VERSION}.${LIB_REVISION}")
  87
  88 SET(EXPORT_DECL "")
  89 SET(ALIGN_DECL "")
  90 SET(RESTRICT_DECL "")
  91
  92
  93 CHECK_TYPE_SIZE("long" SIZEOF_LONG)
  94 CHECK_TYPE_SIZE("long long" SIZEOF_LONG_LONG)
  95
  96
  97 CHECK_C_SOURCE_COMPILES("int *restrict foo;
  98                          int main() {return 0;}" HAVE_RESTRICT)
  99 IF(HAVE_RESTRICT)
 100     SET(RESTRICT_DECL "restrict")
 101 ELSE()
 102     CHECK_C_SOURCE_COMPILES("int *__restrict foo;
 103                              int main() {return 0;}" HAVE___RESTRICT)
 104     IF(HAVE___RESTRICT)
 105         SET(RESTRICT_DECL "__restrict")
 106     ENDIF()
 107 ENDIF()
 108
 109
 110 # Add definitions, compiler switches, etc.
 111 INCLUDE_DIRECTORIES(OpenAL32/Include include "${OpenAL_BINARY_DIR}")
 112
 113 IF(NOT CMAKE_BUILD_TYPE)
 114     SET(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING
 115         "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel."
 116         FORCE)
 117 ENDIF()
 118 IF(NOT CMAKE_DEBUG_POSTFIX)
 119     SET(CMAKE_DEBUG_POSTFIX "" CACHE STRING
 120         "Library postfix for debug builds. Normally left blank."
 121         FORCE)
 122 ENDIF()
 123
 124 IF(MSVC)
 125     # ???
 126     SET(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} -D_DEBUG")
 127     SET(CMAKE_C_FLAGS_MINSIZEREL "${CMAKE_C_FLAGS_MINSIZEREL} -DNDEBUG")
 128     SET(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -DNDEBUG")
 129     SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -D_DEBUG")
 130     ADD_DEFINITIONS(-D_CRT_SECURE_NO_WARNINGS)
 131     ADD_DEFINITIONS(-D_CRT_NONSTDC_NO_DEPRECATE)
 132
 133     IF(NOT DXSDK_DIR)
 134         STRING(REGEX REPLACE "\\\\" "/" DXSDK_DIR "$ENV{DXSDK_DIR}")
 135     ELSE()
 136         STRING(REGEX REPLACE "\\\\" "/" DXSDK_DIR "${DXSDK_DIR}")
 137     ENDIF()
 138     IF(DXSDK_DIR)
 139         MESSAGE(STATUS "Using DirectX SDK directory: ${DXSDK_DIR}")
 140         SET(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES} "${DXSDK_DIR}/Include")
 141         INCLUDE_DIRECTORIES("${DXSDK_DIR}/Include")
 142         LINK_DIRECTORIES("${DXSDK_DIR}/Lib")
 143     ENDIF()
 144
 145     OPTION(FORCE_STATIC_VCRT "Force /MT for static VC runtimes" OFF)
 146     IF(FORCE_STATIC_VCRT)
 147         FOREACH(flag_var
 148                 CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
 149                 CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO)
 150             IF(${flag_var} MATCHES "/MD")
 151                 STRING(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
 152             ENDIF()
 153         ENDFOREACH(flag_var)
 154     ENDIF()
 155 ELSE()
 156     ADD_DEFINITIONS(-Winline -Wall)
 157     CHECK_C_COMPILER_FLAG(-Wextra HAVE_W_EXTRA)
 158     IF(HAVE_W_EXTRA)
 159         ADD_DEFINITIONS(-Wextra)
 160     ENDIF()
 161
 162     IF(ALSOFT_WERROR)
 163         ADD_DEFINITIONS(-Werror)
 164     ENDIF()
 165
 166     SET(CMAKE_C_FLAGS_RELWITHDEBINFO "-g -O2 -D_DEBUG" CACHE STRING
 167         "Flags used by the compiler during Release with Debug Info builds."
 168         FORCE)
 169     SET(CMAKE_C_FLAGS_MINSIZEREL "-Os -DNDEBUG" CACHE STRING
 170         "Flags used by the compiler during release minsize builds."
 171         FORCE)
 172     SET(CMAKE_C_FLAGS_RELEASE "-O2 -fomit-frame-pointer -DNDEBUG" CACHE STRING
 173         "Flags used by the compiler during release builds"
 174         FORCE)
 175     SET(CMAKE_C_FLAGS_DEBUG "-g3 -D_DEBUG" CACHE STRING
 176         "Flags used by the compiler during debug builds."
 177         FORCE)
 178
 179     CHECK_C_SOURCE_COMPILES("int foo() __attribute__((destructor));
 180                              int main() {return 0;}" HAVE_GCC_DESTRUCTOR)
 181 ENDIF()
 182
 183 # Set visibility/export options if available
 184 IF(WIN32)
 185     SET(EXPORT_DECL "__declspec(dllexport)")
 186     SET(ALIGN_DECL "__declspec(align(x))")
 187
 188     OPTION(WINE "Enable use of Wine headers when compiling" OFF)
 189     IF(WINE)
 190         FIND_PATH(WINE_INCLUDE_DIR library.h
 191                   PATHS
 192                   /usr/include/wine
 193                   /usr/local/include/wine
 194                   CMAKE_FIND_ROOT_PATH_BOTH)
 195         IF(WINE_INCLUDE_DIR)
 196             MESSAGE(STATUS "Found Wine header files - ${WINE_INCLUDE_DIR}" )
 197             INCLUDE_DIRECTORIES("${WINE_INCLUDE_DIR}/windows")
 198             SET(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES} "${WINE_INCLUDE_DIR}/windows")
 199         ELSE()
 200             MESSAGE(STATUS "Could not find Wine header files" )
 201         ENDIF()
 202     ENDIF()
 203 ELSE()
 204     SET(OLD_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
 205     # Yes GCC, really don't accept visibility modes you don't support
 206     SET(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS} -Wattributes -Werror")
 207
 208     CHECK_C_SOURCE_COMPILES("int foo() __attribute__((visibility(\"protected\")));
 209                              int main() {return 0;}" HAVE_GCC_PROTECTED_VISIBILITY)
 210     IF(HAVE_GCC_PROTECTED_VISIBILITY)
 211         SET(EXPORT_DECL "__attribute__((visibility(\"protected\")))")
 212     ELSE()
 213         CHECK_C_SOURCE_COMPILES("int foo() __attribute__((visibility(\"default\")));
 214                                  int main() {return 0;}" HAVE_GCC_DEFAULT_VISIBILITY)
 215         IF(HAVE_GCC_DEFAULT_VISIBILITY)
 216             SET(EXPORT_DECL "__attribute__((visibility(\"default\")))")
 217         ENDIF()
 218     ENDIF()
 219
 220     IF(HAVE_GCC_PROTECTED_VISIBILITY OR HAVE_GCC_DEFAULT_VISIBILITY)
 221         CHECK_C_COMPILER_FLAG(-fvisibility=internal HAVE_VISIBILITY_INTERNAL_SWITCH)
 222         IF(HAVE_VISIBILITY_INTERNAL_SWITCH)
 223             ADD_DEFINITIONS(-fvisibility=internal)
 224         ELSE()
 225             CHECK_C_COMPILER_FLAG(-fvisibility=hidden HAVE_VISIBILITY_HIDDEN_SWITCH)
 226             IF(HAVE_VISIBILITY_HIDDEN_SWITCH)
 227                 ADD_DEFINITIONS(-fvisibility=hidden)
 228             ENDIF()
 229         ENDIF()
 230     ENDIF()
 231
 232     CHECK_C_SOURCE_COMPILES("int foo __attribute__((aligned(16)));
 233                              int main() {return 0;}" HAVE_ATTRIBUTE_ALIGNED)
 234     IF(HAVE_ATTRIBUTE_ALIGNED)
 235         SET(ALIGN_DECL "__attribute__((aligned(x)))")
 236     ENDIF()
 237
 238     SET(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS}")
 239 ENDIF()
 240
 241 SET(SSE_SWITCH "")
 242 CHECK_C_COMPILER_FLAG(-msse HAVE_MSSE_SWITCH)
 243 IF(HAVE_MSSE_SWITCH)
 244     SET(SSE_SWITCH "-msse")
 245 ENDIF()
 246
 247 CHECK_C_SOURCE_COMPILES("int foo(const char *str, ...) __attribute__((format(printf, 1, 2)));
 248                          int main() {return 0;}" HAVE_GCC_FORMAT)
 249
 250 CHECK_INCLUDE_FILE(malloc.h HAVE_MALLOC_H)
 251 CHECK_INCLUDE_FILE(cpuid.h HAVE_CPUID_H)
 252 CHECK_INCLUDE_FILE(fenv.h HAVE_FENV_H)
 253 CHECK_INCLUDE_FILE(float.h HAVE_FLOAT_H)
 254 CHECK_INCLUDE_FILE(ieeefp.h HAVE_IEEEFP_H)
 255 CHECK_INCLUDE_FILE(guiddef.h HAVE_GUIDDEF_H)
 256 IF(NOT HAVE_GUIDDEF_H)
 257     CHECK_INCLUDE_FILE(initguid.h HAVE_INITGUID_H)
 258 ENDIF()
 259
 260 # Some systems need libm for some of the following math functions to work
 261 CHECK_LIBRARY_EXISTS(m pow "" HAVE_LIBM)
 262 IF(HAVE_LIBM)
 263     SET(EXTRA_LIBS m ${EXTRA_LIBS})
 264     SET(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} m)
 265 ENDIF()
 266
 267
 268 CHECK_SYMBOL_EXISTS(aligned_alloc    stdlib.h HAVE_ALIGNED_ALLOC)
 269 CHECK_SYMBOL_EXISTS(posix_memalign   stdlib.h HAVE_POSIX_MEMALIGN)
 270 CHECK_SYMBOL_EXISTS(_aligned_malloc  malloc.h HAVE__ALIGNED_MALLOC)
 271 CHECK_SYMBOL_EXISTS(lrintf math.h HAVE_LRINTF)
 272
 273 IF(HAVE_FENV_H)
 274     CHECK_SYMBOL_EXISTS(fesetround fenv.h HAVE_FESETROUND)
 275 ENDIF()
 276 IF(HAVE_FLOAT_H)
 277     CHECK_SYMBOL_EXISTS(_controlfp float.h HAVE__CONTROLFP)
 278     CHECK_SYMBOL_EXISTS(__control87_2 float.h HAVE___CONTROL87_2)
 279 ENDIF()
 280
 281 CHECK_FUNCTION_EXISTS(strtof HAVE_STRTOF)
 282 CHECK_FUNCTION_EXISTS(stat HAVE_STAT)
 283 CHECK_FUNCTION_EXISTS(strcasecmp HAVE_STRCASECMP)
 284 IF(NOT HAVE_STRCASECMP)
 285     CHECK_FUNCTION_EXISTS(_stricmp HAVE__STRICMP)
 286     IF(NOT HAVE__STRICMP)
 287         MESSAGE(FATAL_ERROR "No case-insensitive compare function found, please report!")
 288     ENDIF()
 289
 290     ADD_DEFINITIONS(-Dstrcasecmp=_stricmp)
 291 ENDIF()
 292
 293 CHECK_FUNCTION_EXISTS(strncasecmp HAVE_STRNCASECMP)
 294 IF(NOT HAVE_STRNCASECMP)
 295     CHECK_FUNCTION_EXISTS(_strnicmp HAVE__STRNICMP)
 296     IF(NOT HAVE__STRNICMP)
 297         MESSAGE(FATAL_ERROR "No case-insensitive size-limitted compare function found, please report!")
 298     ENDIF()
 299
 300     ADD_DEFINITIONS(-Dstrncasecmp=_strnicmp)
 301 ENDIF()
 302
 303 CHECK_FUNCTION_EXISTS(snprintf HAVE_SNPRINTF)
 304 IF(NOT HAVE_SNPRINTF)
 305     CHECK_FUNCTION_EXISTS(_snprintf HAVE__SNPRINTF)
 306     IF(NOT HAVE__SNPRINTF)
 307         MESSAGE(FATAL_ERROR "No snprintf function found, please report!")
 308     ENDIF()
 309
 310     ADD_DEFINITIONS(-Dsnprintf=_snprintf)
 311 ENDIF()
 312
 313 CHECK_FUNCTION_EXISTS(vsnprintf HAVE_VSNPRINTF)
 314 IF(NOT HAVE_VSNPRINTF)
 315     CHECK_FUNCTION_EXISTS(_vsnprintf HAVE__VSNPRINTF)
 316     IF(NOT HAVE__VSNPRINTF)
 317         MESSAGE(FATAL_ERROR "No vsnprintf function found, please report!")
 318     ENDIF()
 319
 320     ADD_DEFINITIONS(-Dvsnprintf=_vsnprintf)
 321 ENDIF()
 322
 323 CHECK_SYMBOL_EXISTS(isfinite math.h HAVE_ISFINITE)
 324 IF(NOT HAVE_ISFINITE)
 325     CHECK_FUNCTION_EXISTS(finite HAVE_FINITE)
 326     IF(NOT HAVE_FINITE)
 327         CHECK_FUNCTION_EXISTS(_finite HAVE__FINITE)
 328         IF(NOT HAVE__FINITE)
 329             MESSAGE(FATAL_ERROR "No isfinite function found, please report!")
 330         ENDIF()
 331         ADD_DEFINITIONS(-Disfinite=_finite)
 332     ELSE()
 333         ADD_DEFINITIONS(-Disfinite=finite)
 334     ENDIF()
 335 ENDIF()
 336
 337 CHECK_SYMBOL_EXISTS(isnan math.h HAVE_ISNAN)
 338 IF(NOT HAVE_ISNAN)
 339     CHECK_FUNCTION_EXISTS(_isnan HAVE__ISNAN)
 340     IF(NOT HAVE__ISNAN)
 341         MESSAGE(FATAL_ERROR "No isnan function found, please report!")
 342     ENDIF()
 343
 344     ADD_DEFINITIONS(-Disnan=_isnan)
 345 ENDIF()
 346
 347
 348 # Check for the dlopen API (for dynamicly loading backend libs)
 349 IF(ALSOFT_DLOPEN)
 350     CHECK_INCLUDE_FILE(dlfcn.h HAVE_DLFCN_H)
 351     IF(HAVE_DLFCN_H)
 352         CHECK_LIBRARY_EXISTS(dl dlopen "" HAVE_LIBDL)
 353         IF(HAVE_LIBDL)
 354             SET(EXTRA_LIBS dl ${EXTRA_LIBS})
 355         ENDIF()
 356     ENDIF()
 357 ENDIF()
 358
 359 # Check if we have Windows headers
 360 CHECK_INCLUDE_FILE(windows.h HAVE_WINDOWS_H -D_WIN32_WINNT=0x0501)
 361 IF(NOT HAVE_WINDOWS_H)
 362     CHECK_FUNCTION_EXISTS(gettimeofday HAVE_GETTIMEOFDAY)
 363     IF(NOT HAVE_GETTIMEOFDAY)
 364         MESSAGE(FATAL_ERROR "No timing function found!")
 365     ENDIF()
 366
 367     CHECK_FUNCTION_EXISTS(nanosleep HAVE_NANOSLEEP)
 368     IF(NOT HAVE_NANOSLEEP)
 369         MESSAGE(FATAL_ERROR "No sleep function found!")
 370     ENDIF()
 371
 372     CHECK_C_COMPILER_FLAG(-pthread HAVE_PTHREAD)
 373     IF(HAVE_PTHREAD)
 374         ADD_DEFINITIONS(-pthread)
 375         SET(EXTRA_LIBS ${EXTRA_LIBS} -pthread)
 376     ENDIF()
 377
 378     # We need pthreads outside of Windows
 379     CHECK_INCLUDE_FILE(pthread.h HAVE_PTHREAD_H)
 380     IF(NOT HAVE_PTHREAD_H)
 381         MESSAGE(FATAL_ERROR "PThreads is required for non-Windows builds!")
 382     ENDIF()
 383     # Some systems need pthread_np.h to get recursive mutexes
 384     CHECK_INCLUDE_FILES("pthread.h;pthread_np.h" HAVE_PTHREAD_NP_H)
 385
 386     # _GNU_SOURCE is needed on some systems for extra attributes
 387     ADD_DEFINITIONS(-D_GNU_SOURCE=1)
 388     CHECK_LIBRARY_EXISTS(pthread pthread_create "" HAVE_LIBPTHREAD)
 389     IF(HAVE_LIBPTHREAD)
 390         SET(EXTRA_LIBS pthread ${EXTRA_LIBS})
 391     ENDIF()
 392
 393     CHECK_LIBRARY_EXISTS(pthread pthread_setschedparam "" HAVE_PTHREAD_SETSCHEDPARAM)
 394
 395     CHECK_LIBRARY_EXISTS(rt clock_gettime "" HAVE_LIBRT)
 396     IF(HAVE_LIBRT)
 397         SET(EXTRA_LIBS rt ${EXTRA_LIBS})
 398     ENDIF()
 399 ENDIF()
 400
 401 # Check for a 64-bit type
 402 CHECK_INCLUDE_FILE(stdint.h HAVE_STDINT_H)
 403 IF(NOT HAVE_STDINT_H)
 404     IF(HAVE_WINDOWS_H)
 405         CHECK_C_SOURCE_COMPILES("\#define _WIN32_WINNT 0x0501
 406                                  \#include <windows.h>
 407                                  __int64 foo;
 408                                  int main() {return 0;}" HAVE___INT64)
 409     ENDIF()
 410     IF(NOT HAVE___INT64)
 411         IF(NOT SIZEOF_LONG MATCHES "8")
 412             IF(NOT SIZEOF_LONG_LONG MATCHES "8")
 413                 MESSAGE(FATAL_ERROR "No 64-bit types found, please report!")
 414             ENDIF()
 415         ENDIF()
 416     ENDIF()
 417 ENDIF()
 418
 419 # Windows needs winmm for timeGetTime, even if the backend is disabled
 420 CHECK_SHARED_FUNCTION_EXISTS(timeGetTime "windows.h;mmsystem.h" winmm "" HAVE_LIBWINMM)
 421 IF(HAVE_LIBWINMM)
 422     SET(EXTRA_LIBS winmm ${EXTRA_LIBS})
 423     SET(PKG_CONFIG_LIBS ${PKG_CONFIG_LIBS} -lwinmm)
 424 ENDIF()
 425
 426
 427 SET(OPENAL_OBJS  OpenAL32/alAuxEffectSlot.c
 428                  OpenAL32/alBuffer.c
 429                  OpenAL32/alEffect.c
 430                  OpenAL32/alError.c
 431                  OpenAL32/alExtension.c
 432                  OpenAL32/alFilter.c
 433                  OpenAL32/alListener.c
 434                  OpenAL32/alSource.c
 435                  OpenAL32/alState.c
 436                  OpenAL32/alThunk.c
 437 )
 438 SET(ALC_OBJS  Alc/ALc.c
 439               Alc/ALu.c
 440               Alc/alcConfig.c
 441               Alc/alcDedicated.c
 442               Alc/alcEcho.c
 443               Alc/alcModulator.c
 444               Alc/alcReverb.c
 445               Alc/alcRing.c
 446               Alc/alcThread.c
 447               Alc/bs2b.c
 448               Alc/helpers.c
 449               Alc/panning.c
 450               Alc/hrtf.c
 451               Alc/mixer.c
 452               Alc/mixer_c.c
 453 )
 454
 455
 456 SET(CPU_EXTS "Default")
 457 SET(HAVE_SSE  0)
 458 SET(HAVE_NEON 0)
 459
 460 # Check for SSE support
 461 IF(ALSOFT_CPUEXT_SSE AND ALIGN_DECL)
 462     CHECK_INCLUDE_FILE(xmmintrin.h HAVE_XMMINTRIN_H "${SSE_SWITCH}")
 463     IF(HAVE_XMMINTRIN_H)
 464         SET(HAVE_SSE 1)
 465         SET(ALC_OBJS  ${ALC_OBJS} Alc/mixer_sse.c)
 466         IF(SSE_SWITCH)
 467             SET_SOURCE_FILES_PROPERTIES(Alc/mixer_sse.c PROPERTIES
 468                                         COMPILE_FLAGS "${SSE_SWITCH}")
 469         ENDIF()
 470         SET(CPU_EXTS "${CPU_EXTS}, SSE")
 471     ENDIF()
 472 ENDIF()
 473 IF(ALSOFT_REQUIRE_SSE AND NOT HAVE_SSE)
 474     MESSAGE(FATAL_ERROR "Failed to enabled required SSE CPU extensions")
 475 ENDIF()
 476
 477 # Check for ARM Neon support
 478 IF(ALSOFT_CPUEXT_NEON)
 479     CHECK_INCLUDE_FILE(arm_neon.h HAVE_ARM_NEON_H)
 480     IF(HAVE_ARM_NEON_H)
 481         SET(HAVE_NEON 1)
 482         SET(ALC_OBJS  ${ALC_OBJS} Alc/mixer_neon.c)
 483         SET(CPU_EXTS "${CPU_EXTS}, Neon")
 484     ENDIF()
 485 ENDIF()
 486 IF(ALSOFT_REQUIRE_NEON AND NOT HAVE_NEON)
 487     MESSAGE(FATAL_ERROR "Failed to enabled required ARM Neon CPU extensions")
 488 ENDIF()
 489
 490
 491 SET(ALC_OBJS  ${ALC_OBJS}
 492               # Default backends, always available
 493               Alc/backends/loopback.c
 494               Alc/backends/null.c
 495 )
 496
 497 SET(BACKENDS "")
 498 SET(HAVE_ALSA       0)
 499 SET(HAVE_OSS        0)
 500 SET(HAVE_SOLARIS    0)
 501 SET(HAVE_SNDIO      0)
 502 SET(HAVE_DSOUND     0)
 503 SET(HAVE_MMDEVAPI   0)
 504 SET(HAVE_WINMM      0)
 505 SET(HAVE_PORTAUDIO  0)
 506 SET(HAVE_PULSEAUDIO 0)
 507 SET(HAVE_COREAUDIO  0)
 508 SET(HAVE_OPENSL     0)
 509 SET(HAVE_WAVE       0)
 510
 511 # Check ALSA backend
 512 IF(ALSOFT_BACKEND_ALSA)
 513     CHECK_INCLUDE_FILE(alsa/asoundlib.h HAVE_ALSA_ASOUNDLIB_H)
 514     IF(HAVE_ALSA_ASOUNDLIB_H)
 515         CHECK_SHARED_FUNCTION_EXISTS(snd_pcm_open "alsa/asoundlib.h" asound "" HAVE_LIBASOUND)
 516         IF(HAVE_LIBASOUND OR HAVE_DLFCN_H OR WIN32)
 517             SET(HAVE_ALSA 1)
 518             SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/alsa.c)
 519             IF(HAVE_DLFCN_H OR WIN32)
 520                 SET(BACKENDS  "${BACKENDS} ALSA,")
 521             ELSE()
 522                 SET(BACKENDS  "${BACKENDS} ALSA \(linked\),")
 523                 SET(EXTRA_LIBS asound ${EXTRA_LIBS})
 524             ENDIF()
 525         ENDIF()
 526     ENDIF()
 527 ENDIF()
 528 IF(ALSOFT_REQUIRE_ALSA AND NOT HAVE_ALSA)
 529     MESSAGE(FATAL_ERROR "Failed to enabled required ALSA backend")
 530 ENDIF()
 531
 532 # Check OSS backend
 533 IF(ALSOFT_BACKEND_OSS)
 534     CHECK_INCLUDE_FILE(sys/soundcard.h HAVE_SYS_SOUNDCARD_H)
 535     IF(HAVE_SYS_SOUNDCARD_H)
 536         SET(HAVE_OSS 1)
 537         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/oss.c)
 538         SET(BACKENDS  "${BACKENDS} OSS,")
 539     ENDIF()
 540 ENDIF()
 541 IF(ALSOFT_REQUIRE_OSS AND NOT HAVE_OSS)
 542     MESSAGE(FATAL_ERROR "Failed to enabled required OSS backend")
 543 ENDIF()
 544
 545 # Check Solaris backend
 546 IF(ALSOFT_BACKEND_SOLARIS)
 547     CHECK_INCLUDE_FILE(sys/audioio.h HAVE_SYS_AUDIOIO_H)
 548     IF(HAVE_SYS_AUDIOIO_H)
 549         SET(HAVE_SOLARIS 1)
 550         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/solaris.c)
 551         SET(BACKENDS  "${BACKENDS} Solaris,")
 552     ENDIF()
 553 ENDIF()
 554 IF(ALSOFT_REQUIRE_SOLARIS AND NOT HAVE_SOLARIS)
 555     MESSAGE(FATAL_ERROR "Failed to enabled required Solaris backend")
 556 ENDIF()
 557
 558 # Check SndIO backend
 559 IF(ALSOFT_BACKEND_SNDIO)
 560     CHECK_INCLUDE_FILE(sndio.h HAVE_SNDIO_H)
 561     IF(HAVE_SNDIO_H)
 562         CHECK_SHARED_FUNCTION_EXISTS(sio_open "sndio.h" sndio "" HAVE_LIBSNDIO)
 563         IF(HAVE_LIBSNDIO)
 564             SET(HAVE_SNDIO 1)
 565             SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/sndio.c)
 566             SET(BACKENDS  "${BACKENDS} SndIO \(linked\),")
 567             SET(EXTRA_LIBS sndio ${EXTRA_LIBS})
 568         ENDIF()
 569     ENDIF()
 570 ENDIF()
 571 IF(ALSOFT_REQUIRE_SNDIO AND NOT HAVE_SNDIO)
 572     MESSAGE(FATAL_ERROR "Failed to enabled required SndIO backend")
 573 ENDIF()
 574
 575 # Check for MMDevApi backend
 576 IF(HAVE_WINDOWS_H)
 577     IF(ALSOFT_BACKEND_MMDEVAPI)
 578         CHECK_INCLUDE_FILE(mmdeviceapi.h HAVE_MMDEVICEAPI_H)
 579         IF(HAVE_MMDEVICEAPI_H)
 580             SET(HAVE_MMDEVAPI 1)
 581             SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/mmdevapi.c)
 582
 583             SET(BACKENDS  "${BACKENDS} MMDevApi,")
 584         ENDIF()
 585     ENDIF()
 586 ENDIF()
 587 IF(ALSOFT_REQUIRE_MMDEVAPI AND NOT HAVE_MMDEVAPI)
 588     MESSAGE(FATAL_ERROR "Failed to enabled required MMDevApi backend")
 589 ENDIF()
 590
 591 # Check DSound/MMSystem backend
 592 IF(ALSOFT_BACKEND_DSOUND)
 593     CHECK_INCLUDE_FILE(dsound.h HAVE_DSOUND_H)
 594     IF(HAVE_DSOUND_H)
 595         CHECK_SHARED_FUNCTION_EXISTS(DirectSoundCreate "dsound.h" dsound "" HAVE_LIBDSOUND)
 596         IF(HAVE_LIBDSOUND OR HAVE_DLFCN_H OR WIN32)
 597             SET(HAVE_DSOUND 1)
 598             SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/dsound.c)
 599
 600             IF(HAVE_DLFCN_H OR WIN32)
 601                 SET(BACKENDS  "${BACKENDS} DirectSound,")
 602             ELSE()
 603                 SET(BACKENDS  "${BACKENDS} DirectSound \(linked\),")
 604                 SET(EXTRA_LIBS dsound ${EXTRA_LIBS})
 605             ENDIF()
 606         ENDIF()
 607     ENDIF()
 608 ENDIF()
 609 IF(ALSOFT_REQUIRE_DSOUND AND NOT HAVE_DSOUND)
 610     MESSAGE(FATAL_ERROR "Failed to enabled required DSound backend")
 611 ENDIF()
 612
 613 IF(HAVE_WINDOWS_H)
 614     IF(ALSOFT_BACKEND_WINMM)
 615         CHECK_INCLUDE_FILES("windows.h;mmsystem.h" HAVE_MMSYSTEM_H -D_WIN32_WINNT=0x0501)
 616         IF(HAVE_MMSYSTEM_H AND HAVE_LIBWINMM)
 617             SET(HAVE_WINMM 1)
 618             SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/winmm.c)
 619             SET(BACKENDS  "${BACKENDS} WinMM,")
 620         ENDIF()
 621     ENDIF()
 622 ENDIF()
 623 IF(ALSOFT_REQUIRE_WINMM AND NOT HAVE_WINMM)
 624     MESSAGE(FATAL_ERROR "Failed to enabled required WinMM backend")
 625 ENDIF()
 626
 627 # Check PortAudio backend
 628 IF(ALSOFT_BACKEND_PORTAUDIO)
 629     CHECK_INCLUDE_FILE(portaudio.h HAVE_PORTAUDIO_H)
 630     IF(HAVE_PORTAUDIO_H)
 631         CHECK_SHARED_FUNCTION_EXISTS(Pa_Initialize "portaudio.h" portaudio "" HAVE_LIBPORTAUDIO)
 632         IF(HAVE_LIBPORTAUDIO OR HAVE_DLFCN_H OR WIN32)
 633             SET(HAVE_PORTAUDIO 1)
 634             SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/portaudio.c)
 635             IF(HAVE_DLFCN_H OR WIN32)
 636                 SET(BACKENDS  "${BACKENDS} PortAudio,")
 637             ELSE()
 638                 SET(BACKENDS  "${BACKENDS} PortAudio \(linked\),")
 639                 SET(EXTRA_LIBS portaudio ${EXTRA_LIBS})
 640             ENDIF()
 641         ENDIF()
 642     ENDIF()
 643 ENDIF()
 644 IF(ALSOFT_REQUIRE_PORTAUDIO AND NOT HAVE_PORTAUDIO)
 645     MESSAGE(FATAL_ERROR "Failed to enabled required PortAudio backend")
 646 ENDIF()
 647
 648 # Check PulseAudio backend
 649 IF(ALSOFT_BACKEND_PULSEAUDIO)
 650     CHECK_INCLUDE_FILE(pulse/pulseaudio.h HAVE_PULSE_PULSEAUDIO_H)
 651     IF(HAVE_PULSE_PULSEAUDIO_H)
 652         CHECK_SHARED_FUNCTION_EXISTS(pa_context_new "pulse/pulseaudio.h" pulse "" HAVE_LIBPULSE)
 653         IF(HAVE_LIBPULSE OR HAVE_DLFCN_H OR WIN32)
 654             SET(HAVE_PULSEAUDIO 1)
 655             SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/pulseaudio.c)
 656             IF(HAVE_DLFCN_H OR WIN32)
 657                 SET(BACKENDS  "${BACKENDS} PulseAudio,")
 658             ELSE()
 659                 SET(BACKENDS  "${BACKENDS} PulseAudio \(linked\),")
 660                 SET(EXTRA_LIBS pulse ${EXTRA_LIBS})
 661             ENDIF()
 662         ENDIF()
 663     ENDIF()
 664 ENDIF()
 665 IF(ALSOFT_REQUIRE_PULSEAUDIO AND NOT HAVE_PULSEAUDIO)
 666     MESSAGE(FATAL_ERROR "Failed to enabled required PulseAudio backend")
 667 ENDIF()
 668
 669 # Check CoreAudio backend
 670 IF(COREAUDIO)
 671     CHECK_INCLUDE_FILE(/System/Library/Frameworks/CoreAudio.framework/Headers/CoreAudio.h HAVE_COREAUDIO_FRAMEWORK)
 672     IF(HAVE_COREAUDIO_FRAMEWORK)
 673         SET(HAVE_COREAUDIO 1)
 674         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/coreaudio.c)
 675         SET(BACKENDS  "${BACKENDS} CoreAudio,")
 676         SET(EXTRA_LIBS /System/Library/Frameworks/CoreAudio.framework ${EXTRA_LIBS})
 677         SET(EXTRA_LIBS /System/Library/Frameworks/AudioUnit.framework ${EXTRA_LIBS})
 678         SET(EXTRA_LIBS /System/Library/Frameworks/ApplicationServices.framework ${EXTRA_LIBS})
 679
 680         # Some versions of OSX may need the AudioToolbox framework. Add it if
 681         # it's found.
 682         FIND_LIBRARY(AUDIOTOOLBOX_LIBRARY
 683                      NAMES AudioToolbox
 684                      PATHS ~/Library/Frameworks
 685                            /Library/Frameworks
 686                            /System/Library/Frameworks
 687                     )
 688         IF(AUDIOTOOLBOX_LIBRARY)
 689             SET(EXTRA_LIBS ${AUDIOTOOLBOX_LIBRARY} ${EXTRA_LIBS})
 690         ENDIF()
 691     ENDIF()
 692 ENDIF()
 693 IF(ALSOFT_REQUIRE_COREAUDIO AND NOT HAVE_COREAUDIO)
 694     MESSAGE(FATAL_ERROR "Failed to enabled required CoreAudio backend")
 695 ENDIF()
 696
 697 # Check for OpenSL (Android) backend
 698 IF(ALSOFT_BACKEND_OPENSL)
 699     CHECK_INCLUDE_FILES("SLES/OpenSLES.h;SLES/OpenSLES_Android.h" HAVE_SLES_OPENSLES_ANDROID_H)
 700     IF(HAVE_SLES_OPENSLES_ANDROID_H)
 701         CHECK_SHARED_FUNCTION_EXISTS(slCreateEngine "SLES/OpenSLES.h" OpenSLES "" HAVE_LIBOPENSLES)
 702         IF(HAVE_LIBOPENSLES)
 703             SET(HAVE_OPENSL 1)
 704             SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/opensl.c)
 705             SET(BACKENDS  "${BACKENDS} OpenSL,")
 706             SET(EXTRA_LIBS OpenSLES ${EXTRA_LIBS})
 707         ENDIF()
 708     ENDIF()
 709 ENDIF()
 710 IF(ALSOFT_REQUIRE_OPENSL AND NOT HAVE_OPENSL)
 711     MESSAGE(FATAL_ERROR "Failed to enabled required OpenSL backend")
 712 ENDIF()
 713
 714 # Optionally enable the Wave Writer backend
 715 IF(ALSOFT_BACKEND_WAVE)
 716     SET(HAVE_WAVE 1)
 717     SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/wave.c)
 718     SET(BACKENDS  "${BACKENDS} WaveFile,")
 719 ENDIF()
 720
 721 # This is always available
 722 SET(BACKENDS  "${BACKENDS} Null")
 723
 724 IF(ALSOFT_EXAMPLES)
 725     # Might be able to use earlier versions, but these definitely work
 726     PKG_CHECK_MODULES(FFMPEG libavcodec>=53.61.100 libavformat>=53.32.100 libavutil>=51.35.100)
 727 ENDIF()
 728
 729 IF(LIBTYPE STREQUAL "STATIC")
 730     ADD_DEFINITIONS(-DAL_LIBTYPE_STATIC)
 731     SET(PKG_CONFIG_CFLAGS -DAL_LIBTYPE_STATIC ${PKG_CONFIG_CFLAGS})
 732 ENDIF()
 733
 734 # Needed for openal.pc.in
 735 SET(prefix ${CMAKE_INSTALL_PREFIX})
 736 SET(exec_prefix "\${prefix}")
 737 SET(libdir "\${exec_prefix}/lib${LIB_SUFFIX}")
 738 SET(bindir "\${exec_prefix}/bin")
 739 SET(includedir "\${prefix}/include")
 740 SET(PACKAGE_VERSION "${LIB_VERSION}")
 741
 742 # End configuration
 743 CONFIGURE_FILE(
 744     "${OpenAL_SOURCE_DIR}/config.h.in"
 745     "${OpenAL_BINARY_DIR}/config.h")
 746 CONFIGURE_FILE(
 747     "${OpenAL_SOURCE_DIR}/openal.pc.in"
 748     "${OpenAL_BINARY_DIR}/openal.pc"
 749     @ONLY)
 750
 751 # Build a library
 752 ADD_LIBRARY(${LIBNAME} ${LIBTYPE} ${OPENAL_OBJS} ${ALC_OBJS})
 753 SET_TARGET_PROPERTIES(${LIBNAME} PROPERTIES DEFINE_SYMBOL AL_BUILD_LIBRARY
 754                                             COMPILE_FLAGS -DAL_ALEXT_PROTOTYPES
 755                                             VERSION ${LIB_VERSION}
 756                                             SOVERSION ${LIB_MAJOR_VERSION})
 757 IF(WIN32 AND NOT LIBTYPE STREQUAL "STATIC")
 758     SET_TARGET_PROPERTIES(${LIBNAME} PROPERTIES PREFIX "")
 759 ENDIF()
 760
 761 TARGET_LINK_LIBRARIES(${LIBNAME} ${EXTRA_LIBS})
 762
 763 # Add an install target here
 764 INSTALL(TARGETS ${LIBNAME}
 765         RUNTIME DESTINATION bin
 766         LIBRARY DESTINATION "lib${LIB_SUFFIX}"
 767         ARCHIVE DESTINATION "lib${LIB_SUFFIX}"
 768 )
 769 INSTALL(FILES include/AL/al.h
 770               include/AL/alc.h
 771               include/AL/alext.h
 772               include/AL/efx.h
 773               include/AL/efx-creative.h
 774               include/AL/efx-presets.h
 775         DESTINATION include/AL
 776 )
 777 INSTALL(FILES "${OpenAL_BINARY_DIR}/openal.pc"
 778         DESTINATION "lib${LIB_SUFFIX}/pkgconfig")
 779
 780
 781 MESSAGE(STATUS "")
 782 MESSAGE(STATUS "Building OpenAL with support for the following backends:")
 783 MESSAGE(STATUS "    ${BACKENDS}")
 784 MESSAGE(STATUS "")
 785 MESSAGE(STATUS "Building with support for CPU extensions:")
 786 MESSAGE(STATUS "    ${CPU_EXTS}")
 787 MESSAGE(STATUS "")
 788
 789 IF(WIN32)
 790     IF(NOT HAVE_DSOUND)
 791         MESSAGE(STATUS "WARNING: Building the Windows version without DirectSound output")
 792         MESSAGE(STATUS "         This is probably NOT what you want!")
 793         MESSAGE(STATUS "")
 794     ENDIF()
 795 ENDIF()
 796
 797 # Install alsoft.conf configuration file
 798 IF(ALSOFT_CONFIG)
 799     INSTALL(FILES alsoftrc.sample
 800             DESTINATION share/openal
 801     )
 802     MESSAGE(STATUS "Installing sample configuration")
 803     MESSAGE(STATUS "")
 804 ENDIF()
 805
 806 IF(ALSOFT_UTILS)
 807     ADD_EXECUTABLE(openal-info utils/openal-info.c)
 808     TARGET_LINK_LIBRARIES(openal-info ${LIBNAME})
 809
 810     ADD_EXECUTABLE(makehrtf utils/makehrtf.c)
 811     IF(HAVE_LIBM)
 812         TARGET_LINK_LIBRARIES(makehrtf m)
 813     ENDIF()
 814
 815     INSTALL(TARGETS openal-info makehrtf
 816             RUNTIME DESTINATION bin
 817             LIBRARY DESTINATION "lib${LIB_SUFFIX}"
 818             ARCHIVE DESTINATION "lib${LIB_SUFFIX}"
 819     )
 820     MESSAGE(STATUS "Building utility programs")
 821     MESSAGE(STATUS "")
 822 ENDIF()
 823
 824 IF(ALSOFT_EXAMPLES)
 825     IF(FFMPEG_FOUND)
 826         ADD_EXECUTABLE(alstream examples/common/alhelpers.c
 827                                 examples/common/alffmpeg.c
 828                                 examples/alstream.c)
 829         TARGET_LINK_LIBRARIES(alstream ${FFMPEG_LIBRARIES} ${LIBNAME})
 830         SET_TARGET_PROPERTIES(alstream PROPERTIES COMPILE_FLAGS "${FFMPEG_CFLAGS}")
 831
 832         ADD_EXECUTABLE(alreverb examples/common/alhelpers.c
 833                                 examples/common/alffmpeg.c
 834                                 examples/alreverb.c)
 835         TARGET_LINK_LIBRARIES(alreverb ${FFMPEG_LIBRARIES} ${LIBNAME})
 836         SET_TARGET_PROPERTIES(alreverb PROPERTIES COMPILE_FLAGS "${FFMPEG_CFLAGS}")
 837
 838         ADD_EXECUTABLE(allatency examples/common/alhelpers.c
 839                                  examples/common/alffmpeg.c
 840                                  examples/allatency.c)
 841         TARGET_LINK_LIBRARIES(allatency ${FFMPEG_LIBRARIES} ${LIBNAME})
 842         SET_TARGET_PROPERTIES(allatency PROPERTIES COMPILE_FLAGS "${FFMPEG_CFLAGS}")
 843
 844         INSTALL(TARGETS alstream alreverb allatency
 845                 RUNTIME DESTINATION bin
 846                 LIBRARY DESTINATION "lib${LIB_SUFFIX}"
 847                 ARCHIVE DESTINATION "lib${LIB_SUFFIX}"
 848         )
 849
 850         MESSAGE(STATUS "Building ffmpeg example programs")
 851         MESSAGE(STATUS "")
 852     ENDIF()
 853 ENDIF()