CMakeLists.txt

   1 # CMake build file list for OpenAL
   2
   3 CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
   4
   5 PROJECT(OpenAL)
   6
   7 IF(COMMAND CMAKE_POLICY)
   8   CMAKE_POLICY(SET CMP0003 NEW)
   9   CMAKE_POLICY(SET CMP0005 NEW)
  10 ENDIF(COMMAND CMAKE_POLICY)
  11
  12 SET(CMAKE_MODULE_PATH "${OpenAL_SOURCE_DIR}/cmake")
  13
  14 INCLUDE(CheckFunctionExists)
  15 INCLUDE(CheckLibraryExists)
  16 INCLUDE(CheckSharedFunctionExists)
  17 INCLUDE(CheckIncludeFile)
  18 INCLUDE(CheckIncludeFiles)
  19 INCLUDE(CheckSymbolExists)
  20 INCLUDE(CheckCCompilerFlag)
  21 INCLUDE(CheckCSourceCompiles)
  22 INCLUDE(CheckTypeSize)
  23 include(CheckFileOffsetBits)
  24
  25
  26 SET(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS TRUE)
  27
  28
  29 IF(WIN32)
  30     # This option is mainly for static linking OpenAL Soft into another project
  31     # that already defines the IDs. It is up to that project to ensure all
  32     # required IDs are defined.
  33     OPTION(ALSOFT_NO_UID_DEFS "Do not define GUIDs, IIDs, CLSIDs, or PropertyKeys" OFF)
  34 ELSE()
  35     # These are needed on non-Windows systems for extra features
  36     ADD_DEFINITIONS(-D_GNU_SOURCE=1 -D_POSIX_C_SOURCE=200809L -D_XOPEN_SOURCE=700)
  37     SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -D_GNU_SOURCE=1 -D_POSIX_C_SOURCE=200809L -D_XOPEN_SOURCE=700")
  38 ENDIF()
  39
  40 # Set defines for large file support
  41 CHECK_FILE_OFFSET_BITS()
  42 IF(_FILE_OFFSET_BITS)
  43     ADD_DEFINITIONS(-D_FILE_OFFSET_BITS=${_FILE_OFFSET_BITS})
  44     SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -D_FILE_OFFSET_BITS=${_FILE_OFFSET_BITS}")
  45 ENDIF()
  46 ADD_DEFINITIONS(-D_LARGEFILE_SOURCE -D_LARGE_FILES)
  47 SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -D_LARGEFILE_SOURCE -D_LARGE_FILES")
  48
  49
  50 OPTION(ALSOFT_DLOPEN  "Check for the dlopen API for loading optional libs"  ON)
  51
  52 OPTION(ALSOFT_WERROR  "Treat compile warnings as errors"      OFF)
  53
  54 OPTION(ALSOFT_UTILS          "Build and install utility programs"         ON)
  55 OPTION(ALSOFT_NO_CONFIG_UTIL "Disable building the alsoft-config utility" OFF)
  56
  57 OPTION(ALSOFT_EXAMPLES  "Build and install example programs"  ON)
  58
  59 OPTION(ALSOFT_CONFIG "Install alsoft.conf sample configuration file" ON)
  60 OPTION(ALSOFT_HRTF_DEFS "Install HRTF definition files" ON)
  61
  62
  63 IF(WIN32)
  64     SET(LIBNAME OpenAL32)
  65     ADD_DEFINITIONS("-D_WIN32 -D_WIN32_WINNT=0x0502")
  66 ELSE()
  67     SET(LIBNAME openal)
  68 ENDIF()
  69
  70 # QNX's gcc do not uses /usr/include and /usr/lib pathes by default
  71 IF ("${CMAKE_C_PLATFORM_ID}" STREQUAL "QNX")
  72     ADD_DEFINITIONS("-I/usr/include")
  73     SET(EXTRA_LIBS ${EXTRA_LIBS} -L/usr/lib)
  74 ENDIF()
  75
  76 IF(NOT LIBTYPE)
  77     SET(LIBTYPE SHARED)
  78 ENDIF()
  79
  80 SET(LIB_MAJOR_VERSION "1")
  81 SET(LIB_MINOR_VERSION "15")
  82 SET(LIB_REVISION "1")
  83 SET(LIB_VERSION "${LIB_MAJOR_VERSION}.${LIB_MINOR_VERSION}.${LIB_REVISION}")
  84
  85 SET(EXPORT_DECL "")
  86 SET(ALIGN_DECL "")
  87
  88
  89 CHECK_TYPE_SIZE("long" SIZEOF_LONG)
  90 CHECK_TYPE_SIZE("long long" SIZEOF_LONG_LONG)
  91
  92
  93 CHECK_C_COMPILER_FLAG(-std=c99 HAVE_STD_C99)
  94 IF(HAVE_STD_C99)
  95     SET(CMAKE_C_FLAGS "-std=c99 ${CMAKE_C_FLAGS}")
  96 ENDIF()
  97
  98 # MSVC may need workarounds for C99 restrict and inline
  99 IF(MSVC)
 100     # TODO: Once we truly require C99, these restrict and inline checks should go
 101     # away.
 102     CHECK_C_SOURCE_COMPILES("int *restrict foo;
 103                              int main() {return 0;}" HAVE_RESTRICT)
 104     IF(NOT HAVE_RESTRICT)
 105         ADD_DEFINITIONS("-Drestrict=")
 106         SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Drestrict=")
 107     ENDIF()
 108
 109     CHECK_C_SOURCE_COMPILES("inline void foo(void) { }
 110                              int main() {return 0;}" HAVE_INLINE)
 111     IF(NOT HAVE_INLINE)
 112         CHECK_C_SOURCE_COMPILES("__inline void foo(void) { }
 113                                  int main() {return 0;}" HAVE___INLINE)
 114         IF(NOT HAVE___INLINE)
 115             MESSAGE(FATAL_ERROR "No inline keyword found, please report!")
 116         ENDIF()
 117
 118         ADD_DEFINITIONS(-Dinline=__inline)
 119         SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Dinline=__inline")
 120     ENDIF()
 121 ENDIF()
 122
 123 # Make sure we have C99-style inline semantics with GCC (4.3 or newer).
 124 IF(CMAKE_COMPILER_IS_GNUCC)
 125     SET(OLD_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
 126     # Force no inlining for the next test.
 127     SET(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS} -fno-inline")
 128
 129     CHECK_C_SOURCE_COMPILES("extern inline int foo() { return 0; }
 130                              int main() {return foo();}" INLINE_IS_C99)
 131     IF(NOT INLINE_IS_C99)
 132         MESSAGE(FATAL_ERROR "Your compiler does not seem to have C99 inline semantics!
 133                              Please update your compiler for better C99 compliance.")
 134     ENDIF()
 135
 136     SET(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS}")
 137 ENDIF()
 138
 139 # Check if we have C99 variable length arrays
 140 CHECK_C_SOURCE_COMPILES(
 141 "int main(int argc, char *argv[])
 142  {
 143      volatile int tmp[argc];
 144      tmp[0] = argv[0][0];
 145      return tmp[0];
 146  }"
 147 HAVE_C99_VLA)
 148
 149 # Check if we have C99 bool
 150 CHECK_C_SOURCE_COMPILES(
 151 "int main(int argc, char *argv[])
 152  {
 153      volatile _Bool ret;
 154      ret = (argc > 1) ? 1 : 0;
 155      return ret ? -1 : 0;
 156  }"
 157 HAVE_C99_BOOL)
 158
 159 # Check if we have C11 static_assert
 160 CHECK_C_SOURCE_COMPILES(
 161 "int main()
 162  {
 163      _Static_assert(sizeof(int) == sizeof(int), \"What\");
 164      return 0;
 165  }"
 166 HAVE_C11_STATIC_ASSERT)
 167
 168 # Check if we have C11 alignas
 169 CHECK_C_SOURCE_COMPILES(
 170 "_Alignas(16) int foo;
 171  int main()
 172  {
 173      return 0;
 174  }"
 175 HAVE_C11_ALIGNAS)
 176
 177 # Check if we have C11 _Atomic
 178 CHECK_C_SOURCE_COMPILES(
 179 "#include <stdatomic.h>
 180  int _Atomic foo;
 181  int main()
 182  {
 183      return atomic_load(&foo);
 184  }"
 185 HAVE_C11_ATOMIC)
 186
 187 # Add definitions, compiler switches, etc.
 188 INCLUDE_DIRECTORIES("${OpenAL_SOURCE_DIR}/include" "${OpenAL_BINARY_DIR}")
 189 IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 190     INCLUDE_DIRECTORIES("${OpenAL_SOURCE_DIR}/OpenAL32/Include" "${OpenAL_SOURCE_DIR}/Alc")
 191     IF(WIN32 AND ALSOFT_NO_UID_DEFS)
 192         ADD_DEFINITIONS("-DAL_NO_UID_DEFS")
 193     ENDIF()
 194 ENDIF()
 195
 196 IF(NOT CMAKE_BUILD_TYPE)
 197     SET(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING
 198         "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel."
 199         FORCE)
 200 ENDIF()
 201 IF(NOT CMAKE_DEBUG_POSTFIX)
 202     SET(CMAKE_DEBUG_POSTFIX "" CACHE STRING
 203         "Library postfix for debug builds. Normally left blank."
 204         FORCE)
 205 ENDIF()
 206
 207 IF(MSVC)
 208     # ???
 209     SET(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} -D_DEBUG")
 210     SET(CMAKE_C_FLAGS_MINSIZEREL "${CMAKE_C_FLAGS_MINSIZEREL} -DNDEBUG")
 211     SET(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -DNDEBUG")
 212     SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -D_DEBUG")
 213     ADD_DEFINITIONS(-D_CRT_SECURE_NO_WARNINGS)
 214     ADD_DEFINITIONS(-D_CRT_NONSTDC_NO_DEPRECATE)
 215     ADD_DEFINITIONS("/wd4098")
 216
 217     IF(NOT DXSDK_DIR)
 218         STRING(REGEX REPLACE "\\\\" "/" DXSDK_DIR "$ENV{DXSDK_DIR}")
 219     ELSE()
 220         STRING(REGEX REPLACE "\\\\" "/" DXSDK_DIR "${DXSDK_DIR}")
 221     ENDIF()
 222     IF(DXSDK_DIR)
 223         MESSAGE(STATUS "Using DirectX SDK directory: ${DXSDK_DIR}")
 224         SET(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES} "${DXSDK_DIR}/Include")
 225         INCLUDE_DIRECTORIES("${DXSDK_DIR}/Include")
 226         LINK_DIRECTORIES("${DXSDK_DIR}/Lib")
 227     ENDIF()
 228
 229     OPTION(FORCE_STATIC_VCRT "Force /MT for static VC runtimes" OFF)
 230     IF(FORCE_STATIC_VCRT)
 231         FOREACH(flag_var
 232                 CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
 233                 CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO)
 234             IF(${flag_var} MATCHES "/MD")
 235                 STRING(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
 236             ENDIF()
 237         ENDFOREACH(flag_var)
 238     ENDIF()
 239 ELSE()
 240     ADD_DEFINITIONS(-Winline -Wall)
 241     CHECK_C_COMPILER_FLAG(-Wextra HAVE_W_EXTRA)
 242     IF(HAVE_W_EXTRA)
 243         ADD_DEFINITIONS(-Wextra)
 244     ENDIF()
 245
 246     IF(ALSOFT_WERROR)
 247         ADD_DEFINITIONS(-Werror)
 248     ENDIF()
 249
 250     # Force enable PIC if available. The static common library will be linked
 251     # into the dynamic openal library, which requires all its code to be
 252     # position-independent, and CMake doesn't automatically enable PIC for
 253     # static library targets (Windows code is always position-independent).
 254     CHECK_C_COMPILER_FLAG(-fPIC HAVE_FPIC_SWITCH)
 255     IF(HAVE_FPIC_SWITCH AND NOT WIN32)
 256         ADD_DEFINITIONS(-fPIC)
 257     ENDIF()
 258
 259     SET(CMAKE_C_FLAGS_RELWITHDEBINFO "-g -O2 -D_DEBUG" CACHE STRING
 260         "Flags used by the compiler during Release with Debug Info builds."
 261         FORCE)
 262     SET(CMAKE_C_FLAGS_MINSIZEREL "-Os -DNDEBUG" CACHE STRING
 263         "Flags used by the compiler during release minsize builds."
 264         FORCE)
 265     SET(CMAKE_C_FLAGS_RELEASE "-O2 -fomit-frame-pointer -DNDEBUG" CACHE STRING
 266         "Flags used by the compiler during release builds"
 267         FORCE)
 268     SET(CMAKE_C_FLAGS_DEBUG "-g3 -D_DEBUG" CACHE STRING
 269         "Flags used by the compiler during debug builds."
 270         FORCE)
 271
 272     CHECK_C_SOURCE_COMPILES("int foo() __attribute__((destructor));
 273                              int main() {return 0;}" HAVE_GCC_DESTRUCTOR)
 274 ENDIF()
 275
 276 # Set visibility/export options if available
 277 IF(WIN32)
 278     SET(EXPORT_DECL "__declspec(dllexport)")
 279     IF(NOT MINGW)
 280         SET(ALIGN_DECL "__declspec(align(x))")
 281     ELSE()
 282         SET(ALIGN_DECL "__declspec(aligned(x))")
 283     ENDIF()
 284 ELSE()
 285     SET(OLD_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
 286     # Yes GCC, really don't accept visibility modes you don't support
 287     SET(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS} -Wattributes -Werror")
 288
 289     CHECK_C_SOURCE_COMPILES("int foo() __attribute__((visibility(\"protected\")));
 290                              int main() {return 0;}" HAVE_GCC_PROTECTED_VISIBILITY)
 291     IF(HAVE_GCC_PROTECTED_VISIBILITY)
 292         SET(EXPORT_DECL "__attribute__((visibility(\"protected\")))")
 293     ELSE()
 294         CHECK_C_SOURCE_COMPILES("int foo() __attribute__((visibility(\"default\")));
 295                                  int main() {return 0;}" HAVE_GCC_DEFAULT_VISIBILITY)
 296         IF(HAVE_GCC_DEFAULT_VISIBILITY)
 297             SET(EXPORT_DECL "__attribute__((visibility(\"default\")))")
 298         ENDIF()
 299     ENDIF()
 300
 301     IF(HAVE_GCC_PROTECTED_VISIBILITY OR HAVE_GCC_DEFAULT_VISIBILITY)
 302         CHECK_C_COMPILER_FLAG(-fvisibility=hidden HAVE_VISIBILITY_HIDDEN_SWITCH)
 303         IF(HAVE_VISIBILITY_HIDDEN_SWITCH)
 304             ADD_DEFINITIONS(-fvisibility=hidden)
 305         ENDIF()
 306     ENDIF()
 307
 308     CHECK_C_SOURCE_COMPILES("int foo __attribute__((aligned(16)));
 309                              int main() {return 0;}" HAVE_ATTRIBUTE_ALIGNED)
 310     IF(HAVE_ATTRIBUTE_ALIGNED)
 311         SET(ALIGN_DECL "__attribute__((aligned(x)))")
 312     ENDIF()
 313
 314     SET(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS}")
 315 ENDIF()
 316
 317 SET(SSE_SWITCH "")
 318 SET(SSE2_SWITCH "")
 319 SET(SSE4_1_SWITCH "")
 320 IF(NOT MSVC)
 321     CHECK_C_COMPILER_FLAG(-msse HAVE_MSSE_SWITCH)
 322     IF(HAVE_MSSE_SWITCH)
 323         SET(SSE_SWITCH "-msse")
 324     ENDIF()
 325     CHECK_C_COMPILER_FLAG(-msse2 HAVE_MSSE2_SWITCH)
 326     IF(HAVE_MSSE2_SWITCH)
 327         SET(SSE2_SWITCH "-msse2")
 328     ENDIF()
 329     CHECK_C_COMPILER_FLAG(-msse4.1 HAVE_MSSE4_1_SWITCH)
 330     IF(HAVE_MSSE4_1_SWITCH)
 331         SET(SSE4_1_SWITCH "-msse4.1")
 332     ENDIF()
 333 ENDIF()
 334
 335 CHECK_C_SOURCE_COMPILES("int foo(const char *str, ...) __attribute__((format(printf, 1, 2)));
 336                          int main() {return 0;}" HAVE_GCC_FORMAT)
 337
 338 CHECK_INCLUDE_FILE(stdbool.h HAVE_STDBOOL_H)
 339 CHECK_INCLUDE_FILE(stdalign.h HAVE_STDALIGN_H)
 340 CHECK_INCLUDE_FILE(malloc.h HAVE_MALLOC_H)
 341 CHECK_INCLUDE_FILE(ftw.h HAVE_FTW_H)
 342 CHECK_INCLUDE_FILE(io.h HAVE_IO_H)
 343 CHECK_INCLUDE_FILE(strings.h HAVE_STRINGS_H)
 344 CHECK_INCLUDE_FILE(cpuid.h HAVE_CPUID_H)
 345 CHECK_INCLUDE_FILE(sys/sysconf.h HAVE_SYS_SYSCONF_H)
 346 CHECK_INCLUDE_FILE(fenv.h HAVE_FENV_H)
 347 CHECK_INCLUDE_FILE(float.h HAVE_FLOAT_H)
 348 CHECK_INCLUDE_FILE(ieeefp.h HAVE_IEEEFP_H)
 349 CHECK_INCLUDE_FILE(guiddef.h HAVE_GUIDDEF_H)
 350 IF(NOT HAVE_GUIDDEF_H)
 351     CHECK_INCLUDE_FILE(initguid.h HAVE_INITGUID_H)
 352 ENDIF()
 353
 354 # Some systems need libm for some of the following math functions to work
 355 CHECK_LIBRARY_EXISTS(m pow "" HAVE_LIBM)
 356 IF(HAVE_LIBM)
 357     SET(EXTRA_LIBS m ${EXTRA_LIBS})
 358     SET(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} m)
 359 ENDIF()
 360
 361
 362 CHECK_SYMBOL_EXISTS(aligned_alloc    stdlib.h HAVE_ALIGNED_ALLOC)
 363 CHECK_SYMBOL_EXISTS(posix_memalign   stdlib.h HAVE_POSIX_MEMALIGN)
 364 CHECK_SYMBOL_EXISTS(_aligned_malloc  malloc.h HAVE__ALIGNED_MALLOC)
 365 CHECK_SYMBOL_EXISTS(lrintf math.h HAVE_LRINTF)
 366 IF(NOT HAVE_C99_VLA)
 367     CHECK_SYMBOL_EXISTS(alloca malloc.h HAVE_ALLOCA)
 368     IF(NOT HAVE_ALLOCA)
 369         MESSAGE(FATAL_ERROR "No alloca function found, please report!")
 370     ENDIF()
 371 ENDIF()
 372
 373 IF(HAVE_FLOAT_H)
 374     CHECK_SYMBOL_EXISTS(_controlfp float.h HAVE__CONTROLFP)
 375     CHECK_SYMBOL_EXISTS(__control87_2 float.h HAVE___CONTROL87_2)
 376 ENDIF()
 377 IF(HAVE_FTW_H)
 378     CHECK_SYMBOL_EXISTS(ftw ftw.h HAVE_FTW)
 379 ENDIF()
 380 IF(HAVE_IO_H)
 381     CHECK_SYMBOL_EXISTS(_wfindfirst io.h HAVE__WFINDFIRST)
 382 ENDIF()
 383
 384 CHECK_FUNCTION_EXISTS(strtof HAVE_STRTOF)
 385 CHECK_FUNCTION_EXISTS(stat HAVE_STAT)
 386 CHECK_FUNCTION_EXISTS(strcasecmp HAVE_STRCASECMP)
 387 IF(NOT HAVE_STRCASECMP)
 388     CHECK_FUNCTION_EXISTS(_stricmp HAVE__STRICMP)
 389     IF(NOT HAVE__STRICMP)
 390         MESSAGE(FATAL_ERROR "No case-insensitive compare function found, please report!")
 391     ENDIF()
 392
 393     ADD_DEFINITIONS(-Dstrcasecmp=_stricmp)
 394 ENDIF()
 395
 396 CHECK_FUNCTION_EXISTS(strncasecmp HAVE_STRNCASECMP)
 397 IF(NOT HAVE_STRNCASECMP)
 398     CHECK_FUNCTION_EXISTS(_strnicmp HAVE__STRNICMP)
 399     IF(NOT HAVE__STRNICMP)
 400         MESSAGE(FATAL_ERROR "No case-insensitive size-limitted compare function found, please report!")
 401     ENDIF()
 402
 403     ADD_DEFINITIONS(-Dstrncasecmp=_strnicmp)
 404 ENDIF()
 405
 406 CHECK_FUNCTION_EXISTS(snprintf HAVE_SNPRINTF)
 407 IF(NOT HAVE_SNPRINTF)
 408     CHECK_FUNCTION_EXISTS(_snprintf HAVE__SNPRINTF)
 409     IF(NOT HAVE__SNPRINTF)
 410         MESSAGE(FATAL_ERROR "No snprintf function found, please report!")
 411     ENDIF()
 412
 413     ADD_DEFINITIONS(-Dsnprintf=_snprintf)
 414 ENDIF()
 415
 416 CHECK_SYMBOL_EXISTS(isfinite math.h HAVE_ISFINITE)
 417 IF(NOT HAVE_ISFINITE)
 418     CHECK_FUNCTION_EXISTS(finite HAVE_FINITE)
 419     IF(NOT HAVE_FINITE)
 420         CHECK_FUNCTION_EXISTS(_finite HAVE__FINITE)
 421         IF(NOT HAVE__FINITE)
 422             MESSAGE(FATAL_ERROR "No isfinite function found, please report!")
 423         ENDIF()
 424         ADD_DEFINITIONS(-Disfinite=_finite)
 425     ELSE()
 426         ADD_DEFINITIONS(-Disfinite=finite)
 427     ENDIF()
 428 ENDIF()
 429
 430 CHECK_SYMBOL_EXISTS(isnan math.h HAVE_ISNAN)
 431 IF(NOT HAVE_ISNAN)
 432     CHECK_FUNCTION_EXISTS(_isnan HAVE__ISNAN)
 433     IF(NOT HAVE__ISNAN)
 434         MESSAGE(FATAL_ERROR "No isnan function found, please report!")
 435     ENDIF()
 436
 437     ADD_DEFINITIONS(-Disnan=_isnan)
 438 ENDIF()
 439
 440
 441 # Check for the dlopen API (for dynamicly loading backend libs)
 442 IF(ALSOFT_DLOPEN)
 443     CHECK_INCLUDE_FILE(dlfcn.h HAVE_DLFCN_H)
 444     IF(HAVE_DLFCN_H)
 445         CHECK_LIBRARY_EXISTS(dl dlopen "" HAVE_LIBDL)
 446         IF(HAVE_LIBDL)
 447             SET(EXTRA_LIBS dl ${EXTRA_LIBS})
 448         ENDIF()
 449     ENDIF()
 450 ENDIF()
 451
 452 # Check if we have Windows headers
 453 CHECK_INCLUDE_FILE(windows.h HAVE_WINDOWS_H -D_WIN32_WINNT=0x0502)
 454 IF(NOT HAVE_WINDOWS_H)
 455     CHECK_FUNCTION_EXISTS(gettimeofday HAVE_GETTIMEOFDAY)
 456     IF(NOT HAVE_GETTIMEOFDAY)
 457         MESSAGE(FATAL_ERROR "No timing function found!")
 458     ENDIF()
 459
 460     CHECK_FUNCTION_EXISTS(nanosleep HAVE_NANOSLEEP)
 461     IF(NOT HAVE_NANOSLEEP)
 462         MESSAGE(FATAL_ERROR "No sleep function found!")
 463     ENDIF()
 464
 465     # We need pthreads outside of Windows
 466     CHECK_INCLUDE_FILE(pthread.h HAVE_PTHREAD_H)
 467     IF(NOT HAVE_PTHREAD_H)
 468         MESSAGE(FATAL_ERROR "PThreads is required for non-Windows builds!")
 469     ENDIF()
 470     # Some systems need pthread_np.h to get recursive mutexes
 471     CHECK_INCLUDE_FILES("pthread.h;pthread_np.h" HAVE_PTHREAD_NP_H)
 472
 473     CHECK_C_COMPILER_FLAG(-pthread HAVE_PTHREAD)
 474     IF(HAVE_PTHREAD)
 475         ADD_DEFINITIONS(-pthread)
 476         SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -pthread")
 477         SET(EXTRA_LIBS ${EXTRA_LIBS} -pthread)
 478     ENDIF()
 479
 480     CHECK_LIBRARY_EXISTS(pthread pthread_create "" HAVE_LIBPTHREAD)
 481     IF(HAVE_LIBPTHREAD)
 482         SET(EXTRA_LIBS pthread ${EXTRA_LIBS})
 483     ENDIF()
 484
 485     CHECK_SYMBOL_EXISTS(pthread_setschedparam pthread.h HAVE_PTHREAD_SETSCHEDPARAM)
 486
 487     CHECK_SYMBOL_EXISTS(pthread_setname_np pthread.h HAVE_PTHREAD_SETNAME_NP)
 488     IF(NOT HAVE_PTHREAD_SETNAME_NP)
 489         CHECK_SYMBOL_EXISTS(pthread_set_name_np pthread.h HAVE_PTHREAD_SET_NAME_NP)
 490     ENDIF()
 491     IF(HAVE_PTHREAD_NP_H)
 492         CHECK_SYMBOL_EXISTS(pthread_mutexattr_setkind_np "pthread.h;pthread_np.h" HAVE_PTHREAD_MUTEXATTR_SETKIND_NP)
 493     ENDIF()
 494
 495     CHECK_SYMBOL_EXISTS(pthread_mutex_timedlock pthread.h HAVE_PTHREAD_MUTEX_TIMEDLOCK)
 496
 497     CHECK_LIBRARY_EXISTS(rt clock_gettime "" HAVE_LIBRT)
 498     IF(HAVE_LIBRT)
 499         SET(EXTRA_LIBS rt ${EXTRA_LIBS})
 500     ENDIF()
 501 ENDIF()
 502
 503 # Check for a 64-bit type
 504 CHECK_INCLUDE_FILE(stdint.h HAVE_STDINT_H)
 505 IF(NOT HAVE_STDINT_H)
 506     IF(HAVE_WINDOWS_H)
 507         CHECK_C_SOURCE_COMPILES("#define _WIN32_WINNT 0x0502
 508                                  #include <windows.h>
 509                                  __int64 foo;
 510                                  int main() {return 0;}" HAVE___INT64)
 511     ENDIF()
 512     IF(NOT HAVE___INT64)
 513         IF(NOT SIZEOF_LONG MATCHES "8")
 514             IF(NOT SIZEOF_LONG_LONG MATCHES "8")
 515                 MESSAGE(FATAL_ERROR "No 64-bit types found, please report!")
 516             ENDIF()
 517         ENDIF()
 518     ENDIF()
 519 ENDIF()
 520
 521
 522 SET(COMMON_OBJS  common/atomic.c
 523                  common/rwlock.c
 524                  common/threads.c
 525                  common/uintmap.c
 526 )
 527 SET(OPENAL_OBJS  OpenAL32/alAuxEffectSlot.c
 528                  OpenAL32/alBuffer.c
 529                  OpenAL32/alEffect.c
 530                  OpenAL32/alError.c
 531                  OpenAL32/alExtension.c
 532                  OpenAL32/alFilter.c
 533                  OpenAL32/alFontsound.c
 534                  OpenAL32/alListener.c
 535                  OpenAL32/alMidi.c
 536                  OpenAL32/alPreset.c
 537                  OpenAL32/alSoundfont.c
 538                  OpenAL32/alSource.c
 539                  OpenAL32/alState.c
 540                  OpenAL32/alThunk.c
 541                  OpenAL32/sample_cvt.c
 542 )
 543 SET(ALC_OBJS  Alc/ALc.c
 544               Alc/ALu.c
 545               Alc/alcConfig.c
 546               Alc/alcRing.c
 547               Alc/bs2b.c
 548               Alc/effects/autowah.c
 549               Alc/effects/chorus.c
 550               Alc/effects/compressor.c
 551               Alc/effects/dedicated.c
 552               Alc/effects/distortion.c
 553               Alc/effects/echo.c
 554               Alc/effects/equalizer.c
 555               Alc/effects/flanger.c
 556               Alc/effects/modulator.c
 557               Alc/effects/null.c
 558               Alc/effects/reverb.c
 559               Alc/helpers.c
 560               Alc/hrtf.c
 561               Alc/panning.c
 562               Alc/mixer.c
 563               Alc/mixer_c.c
 564 )
 565
 566
 567 SET(CPU_EXTS "Default")
 568 SET(HAVE_SSE        0)
 569 SET(HAVE_SSE2       0)
 570 SET(HAVE_SSE4_1     0)
 571 SET(HAVE_NEON       0)
 572
 573 SET(HAVE_FLUIDSYNTH 0)
 574
 575 SET(HAVE_ALSA       0)
 576 SET(HAVE_OSS        0)
 577 SET(HAVE_SOLARIS    0)
 578 SET(HAVE_SNDIO      0)
 579 SET(HAVE_QSA        0)
 580 SET(HAVE_DSOUND     0)
 581 SET(HAVE_MMDEVAPI   0)
 582 SET(HAVE_WINMM      0)
 583 SET(HAVE_PORTAUDIO  0)
 584 SET(HAVE_PULSEAUDIO 0)
 585 SET(HAVE_COREAUDIO  0)
 586 SET(HAVE_OPENSL     0)
 587 SET(HAVE_WAVE       0)
 588
 589 # Check for SSE support
 590 OPTION(ALSOFT_REQUIRE_SSE "Require SSE support" OFF)
 591 CHECK_INCLUDE_FILE(xmmintrin.h HAVE_XMMINTRIN_H "${SSE_SWITCH}")
 592 IF(HAVE_XMMINTRIN_H)
 593     OPTION(ALSOFT_CPUEXT_SSE "Enable SSE support" ON)
 594     IF(ALSOFT_CPUEXT_SSE)
 595         IF(ALIGN_DECL OR HAVE_C11_ALIGNAS)
 596             SET(HAVE_SSE 1)
 597             SET(ALC_OBJS  ${ALC_OBJS} Alc/mixer_sse.c)
 598             IF(SSE_SWITCH)
 599                 SET_SOURCE_FILES_PROPERTIES(Alc/mixer_sse.c PROPERTIES
 600                                             COMPILE_FLAGS "${SSE_SWITCH}")
 601             ENDIF()
 602             SET(CPU_EXTS "${CPU_EXTS}, SSE")
 603         ENDIF()
 604     ENDIF()
 605 ENDIF()
 606 IF(ALSOFT_REQUIRE_SSE AND NOT HAVE_SSE)
 607     MESSAGE(FATAL_ERROR "Failed to enabled required SSE CPU extensions")
 608 ENDIF()
 609
 610 OPTION(ALSOFT_REQUIRE_SSE2 "Require SSE2 support" OFF)
 611 CHECK_INCLUDE_FILE(emmintrin.h HAVE_EMMINTRIN_H "${SSE2_SWITCH}")
 612 IF(HAVE_EMMINTRIN_H)
 613     OPTION(ALSOFT_CPUEXT_SSE2 "Enable SSE2 support" ON)
 614     IF(HAVE_SSE AND ALSOFT_CPUEXT_SSE2)
 615         IF(ALIGN_DECL OR HAVE_C11_ALIGNAS)
 616             SET(HAVE_SSE2 1)
 617             SET(ALC_OBJS  ${ALC_OBJS} Alc/mixer_sse2.c)
 618             IF(SSE2_SWITCH)
 619                 SET_SOURCE_FILES_PROPERTIES(Alc/mixer_sse2.c PROPERTIES
 620                                             COMPILE_FLAGS "${SSE2_SWITCH}")
 621             ENDIF()
 622             SET(CPU_EXTS "${CPU_EXTS}, SSE2")
 623         ENDIF()
 624     ENDIF()
 625 ENDIF()
 626 IF(ALSOFT_REQUIRE_SSE2 AND NOT HAVE_SSE2)
 627     MESSAGE(FATAL_ERROR "Failed to enable required SSE2 CPU extensions")
 628 ENDIF()
 629
 630 OPTION(ALSOFT_REQUIRE_SSE4_1 "Require SSE4.1 support" OFF)
 631 CHECK_INCLUDE_FILE(smmintrin.h HAVE_SMMINTRIN_H "${SSE4_1_SWITCH}")
 632 IF(HAVE_SMMINTRIN_H)
 633     OPTION(ALSOFT_CPUEXT_SSE4_1 "Enable SSE4.1 support" ON)
 634     IF(HAVE_SSE2 AND ALSOFT_CPUEXT_SSE4_1)
 635         IF(ALIGN_DECL OR HAVE_C11_ALIGNAS)
 636             SET(HAVE_SSE4_1 1)
 637             SET(ALC_OBJS  ${ALC_OBJS} Alc/mixer_sse41.c)
 638             IF(SSE4_1_SWITCH)
 639                 SET_SOURCE_FILES_PROPERTIES(Alc/mixer_sse41.c PROPERTIES
 640                                             COMPILE_FLAGS "${SSE4_1_SWITCH}")
 641             ENDIF()
 642             SET(CPU_EXTS "${CPU_EXTS}, SSE4.1")
 643         ENDIF()
 644     ENDIF()
 645 ENDIF()
 646 IF(ALSOFT_REQUIRE_SSE4_1 AND NOT HAVE_SSE4_1)
 647     MESSAGE(FATAL_ERROR "Failed to enable required SSE4.1 CPU extensions")
 648 ENDIF()
 649
 650 # Check for ARM Neon support
 651 OPTION(ALSOFT_REQUIRE_NEON "Require ARM Neon support" OFF)
 652 CHECK_INCLUDE_FILE(arm_neon.h HAVE_ARM_NEON_H)
 653 IF(HAVE_ARM_NEON_H)
 654     OPTION(ALSOFT_CPUEXT_NEON "Enable ARM Neon support" ON)
 655     IF(ALSOFT_CPUEXT_NEON)
 656         SET(HAVE_NEON 1)
 657         SET(ALC_OBJS  ${ALC_OBJS} Alc/mixer_neon.c)
 658         SET(CPU_EXTS "${CPU_EXTS}, Neon")
 659     ENDIF()
 660 ENDIF()
 661 IF(ALSOFT_REQUIRE_NEON AND NOT HAVE_NEON)
 662     MESSAGE(FATAL_ERROR "Failed to enabled required ARM Neon CPU extensions")
 663 ENDIF()
 664
 665
 666 IF(WIN32 OR HAVE_DLFCN_H)
 667     SET(IS_LINKED "")
 668     MACRO(ADD_BACKEND_LIBS _LIBS)
 669     ENDMACRO()
 670 ELSE()
 671     SET(IS_LINKED " (linked)")
 672     MACRO(ADD_BACKEND_LIBS _LIBS)
 673         SET(EXTRA_LIBS ${_LIBS} ${EXTRA_LIBS})
 674     ENDMACRO()
 675 ENDIF()
 676
 677 SET(ALC_OBJS  ${ALC_OBJS}
 678               Alc/midi/base.c
 679               Alc/midi/sf2load.c
 680               Alc/midi/dummy.c
 681               Alc/midi/fluidsynth.c
 682               Alc/midi/soft.c
 683 )
 684
 685 # Check for FluidSynth support
 686 OPTION(ALSOFT_REQUIRE_FLUIDSYNTH "Require FluidSynth MIDI" OFF)
 687 FIND_PACKAGE(FluidSynth)
 688 IF(FLUIDSYNTH_FOUND)
 689     OPTION(ALSOFT_MIDI_FLUIDSYNTH "Enable FluidSynth MIDI" ON)
 690     IF(ALSOFT_MIDI_FLUIDSYNTH)
 691         SET(HAVE_FLUIDSYNTH 1)
 692         ADD_BACKEND_LIBS(${FLUIDSYNTH_LIBRARIES})
 693         IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 694             INCLUDE_DIRECTORIES(${ALSA_INCLUDE_DIRS})
 695         ENDIF()
 696     ENDIF()
 697 ENDIF()
 698 IF(ALSOFT_REQUIRE_FLUIDSYNTH AND NOT HAVE_FLUIDSYNTH)
 699     MESSAGE(FATAL_ERROR "Failed to enabled required FluidSynth support")
 700 ENDIF()
 701
 702
 703 SET(BACKENDS "")
 704 SET(ALC_OBJS  ${ALC_OBJS}
 705               Alc/backends/base.c
 706               # Default backends, always available
 707               Alc/backends/loopback.c
 708               Alc/backends/null.c
 709 )
 710
 711 # Check ALSA backend
 712 OPTION(ALSOFT_REQUIRE_ALSA "Require ALSA backend" OFF)
 713 FIND_PACKAGE(ALSA)
 714 IF(ALSA_FOUND)
 715     OPTION(ALSOFT_BACKEND_ALSA "Enable ALSA backend" ON)
 716     IF(ALSOFT_BACKEND_ALSA)
 717         SET(HAVE_ALSA 1)
 718         SET(BACKENDS  "${BACKENDS} ALSA${IS_LINKED},")
 719         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/alsa.c)
 720         ADD_BACKEND_LIBS(${ALSA_LIBRARIES})
 721         IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 722             INCLUDE_DIRECTORIES(${ALSA_INCLUDE_DIRS})
 723         ENDIF()
 724     ENDIF()
 725 ENDIF()
 726 IF(ALSOFT_REQUIRE_ALSA AND NOT HAVE_ALSA)
 727     MESSAGE(FATAL_ERROR "Failed to enabled required ALSA backend")
 728 ENDIF()
 729
 730 # Check OSS backend
 731 OPTION(ALSOFT_REQUIRE_OSS "Require OSS backend" OFF)
 732 FIND_PACKAGE(OSS)
 733 IF(OSS_FOUND)
 734     OPTION(ALSOFT_BACKEND_OSS "Enable OSS backend" ON)
 735     IF(ALSOFT_BACKEND_OSS)
 736         SET(HAVE_OSS 1)
 737         SET(BACKENDS  "${BACKENDS} OSS,")
 738         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/oss.c)
 739         IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 740             INCLUDE_DIRECTORIES(${OSS_INCLUDE_DIRS})
 741         ENDIF()
 742     ENDIF()
 743 ENDIF()
 744 IF(ALSOFT_REQUIRE_OSS AND NOT HAVE_OSS)
 745     MESSAGE(FATAL_ERROR "Failed to enabled required OSS backend")
 746 ENDIF()
 747
 748 # Check Solaris backend
 749 OPTION(ALSOFT_REQUIRE_SOLARIS "Require Solaris backend" OFF)
 750 FIND_PACKAGE(AudioIO)
 751 IF(AUDIOIO_FOUND)
 752     OPTION(ALSOFT_BACKEND_SOLARIS "Enable Solaris backend" ON)
 753     IF(ALSOFT_BACKEND_SOLARIS)
 754         SET(HAVE_SOLARIS 1)
 755         SET(BACKENDS  "${BACKENDS} Solaris,")
 756         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/solaris.c)
 757         IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 758             INCLUDE_DIRECTORIES(${AUDIOIO_INCLUDE_DIRS})
 759         ENDIF()
 760     ENDIF()
 761 ENDIF()
 762 IF(ALSOFT_REQUIRE_SOLARIS AND NOT HAVE_SOLARIS)
 763     MESSAGE(FATAL_ERROR "Failed to enabled required Solaris backend")
 764 ENDIF()
 765
 766 # Check SndIO backend
 767 OPTION(ALSOFT_REQUIRE_SNDIO "Require SndIO backend" OFF)
 768 FIND_PACKAGE(SoundIO)
 769 IF(SOUNDIO_FOUND)
 770     OPTION(ALSOFT_BACKEND_SNDIO "Enable SndIO backend" ON)
 771     IF(ALSOFT_BACKEND_SNDIO)
 772         SET(HAVE_SNDIO 1)
 773         SET(BACKENDS  "${BACKENDS} SndIO (linked),")
 774         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/sndio.c)
 775         SET(EXTRA_LIBS ${SOUNDIO_LIBRARIES} ${EXTRA_LIBS})
 776         IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 777             INCLUDE_DIRECTORIES(${SOUNDIO_INCLUDE_DIRS})
 778         ENDIF()
 779     ENDIF()
 780 ENDIF()
 781 IF(ALSOFT_REQUIRE_SNDIO AND NOT HAVE_SNDIO)
 782     MESSAGE(FATAL_ERROR "Failed to enabled required SndIO backend")
 783 ENDIF()
 784
 785 # Check QSA backend
 786 OPTION(ALSOFT_REQUIRE_QSA "Require QSA backend" OFF)
 787 FIND_PACKAGE(QSA)
 788 IF(QSA_FOUND)
 789     OPTION(ALSOFT_BACKEND_QSA "Enable QSA backend" ON)
 790     IF(ALSOFT_BACKEND_QSA)
 791         SET(HAVE_QSA 1)
 792         SET(BACKENDS  "${BACKENDS} QSA (linked),")
 793         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/qsa.c)
 794         SET(EXTRA_LIBS ${QSA_LIBRARIES} ${EXTRA_LIBS})
 795         IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 796             INCLUDE_DIRECTORIES(${QSA_INCLUDE_DIRS})
 797         ENDIF()
 798     ENDIF()
 799 ENDIF()
 800 IF(ALSOFT_REQUIRE_QSA AND NOT HAVE_QSA)
 801     MESSAGE(FATAL_ERROR "Failed to enabled required QSA backend")
 802 ENDIF()
 803
 804 # Check DSound backend
 805 OPTION(ALSOFT_REQUIRE_DSOUND "Require DirectSound backend" OFF)
 806 FIND_PACKAGE(DSound)
 807 IF(DSOUND_FOUND)
 808     OPTION(ALSOFT_BACKEND_DSOUND "Enable DirectSound backend" ON)
 809     IF(ALSOFT_BACKEND_DSOUND)
 810         SET(HAVE_DSOUND 1)
 811         SET(BACKENDS  "${BACKENDS} DirectSound${IS_LINKED},")
 812         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/dsound.c)
 813         ADD_BACKEND_LIBS(${DSOUND_LIBRARIES})
 814         IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 815             INCLUDE_DIRECTORIES(${DSOUND_INCLUDE_DIRS})
 816         ENDIF()
 817     ENDIF()
 818 ENDIF()
 819 IF(ALSOFT_REQUIRE_DSOUND AND NOT HAVE_DSOUND)
 820     MESSAGE(FATAL_ERROR "Failed to enabled required DSound backend")
 821 ENDIF()
 822
 823 # Check for MMDevApi backend
 824 OPTION(ALSOFT_REQUIRE_MMDEVAPI "Require MMDevApi backend" OFF)
 825 IF(HAVE_WINDOWS_H)
 826     CHECK_INCLUDE_FILE(mmdeviceapi.h HAVE_MMDEVICEAPI_H)
 827     IF(HAVE_MMDEVICEAPI_H)
 828         OPTION(ALSOFT_BACKEND_MMDEVAPI "Enable MMDevApi backend" ON)
 829         IF(ALSOFT_BACKEND_MMDEVAPI)
 830             SET(HAVE_MMDEVAPI 1)
 831             SET(BACKENDS  "${BACKENDS} MMDevApi,")
 832             SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/mmdevapi.c)
 833         ENDIF()
 834     ENDIF()
 835 ENDIF()
 836 IF(ALSOFT_REQUIRE_MMDEVAPI AND NOT HAVE_MMDEVAPI)
 837     MESSAGE(FATAL_ERROR "Failed to enabled required MMDevApi backend")
 838 ENDIF()
 839
 840 # Check MMSystem backend
 841 OPTION(ALSOFT_REQUIRE_WINMM "Require Windows Multimedia backend" OFF)
 842 IF(HAVE_WINDOWS_H)
 843     CHECK_INCLUDE_FILES("windows.h;mmsystem.h" HAVE_MMSYSTEM_H -D_WIN32_WINNT=0x0502)
 844     IF(HAVE_MMSYSTEM_H)
 845         CHECK_SHARED_FUNCTION_EXISTS(waveOutOpen "windows.h;mmsystem.h" winmm "" HAVE_LIBWINMM)
 846         IF(HAVE_LIBWINMM)
 847             OPTION(ALSOFT_BACKEND_WINMM "Enable Windows Multimedia backend" ON)
 848             IF(ALSOFT_BACKEND_WINMM)
 849                 SET(HAVE_WINMM 1)
 850                 SET(BACKENDS  "${BACKENDS} WinMM,")
 851                 SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/winmm.c)
 852                 SET(EXTRA_LIBS winmm ${EXTRA_LIBS})
 853             ENDIF()
 854         ENDIF()
 855     ENDIF()
 856 ENDIF()
 857 IF(ALSOFT_REQUIRE_WINMM AND NOT HAVE_WINMM)
 858     MESSAGE(FATAL_ERROR "Failed to enabled required WinMM backend")
 859 ENDIF()
 860
 861 # Check PortAudio backend
 862 OPTION(ALSOFT_REQUIRE_PORTAUDIO "Require PortAudio backend" OFF)
 863 FIND_PACKAGE(PortAudio)
 864 IF(PORTAUDIO_FOUND)
 865     OPTION(ALSOFT_BACKEND_PORTAUDIO "Enable PortAudio backend" ON)
 866     IF(ALSOFT_BACKEND_PORTAUDIO)
 867         SET(HAVE_PORTAUDIO 1)
 868         SET(BACKENDS  "${BACKENDS} PortAudio${IS_LINKED},")
 869         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/portaudio.c)
 870         ADD_BACKEND_LIBS(${PORTAUDIO_LIBRARIES})
 871         IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 872             INCLUDE_DIRECTORIES(${PORTAUDIO_INCLUDE_DIRS})
 873         ENDIF()
 874     ENDIF()
 875 ENDIF()
 876 IF(ALSOFT_REQUIRE_PORTAUDIO AND NOT HAVE_PORTAUDIO)
 877     MESSAGE(FATAL_ERROR "Failed to enabled required PortAudio backend")
 878 ENDIF()
 879
 880 # Check PulseAudio backend
 881 OPTION(ALSOFT_REQUIRE_PULSEAUDIO "Require PulseAudio backend" OFF)
 882 FIND_PACKAGE(PulseAudio)
 883 IF(PULSEAUDIO_FOUND)
 884     OPTION(ALSOFT_BACKEND_PULSEAUDIO "Enable PulseAudio backend" ON)
 885     IF(ALSOFT_BACKEND_PULSEAUDIO)
 886         SET(HAVE_PULSEAUDIO 1)
 887         SET(BACKENDS  "${BACKENDS} PulseAudio${IS_LINKED},")
 888         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/pulseaudio.c)
 889         ADD_BACKEND_LIBS(${PULSEAUDIO_LIBRARIES})
 890         IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 891             INCLUDE_DIRECTORIES(${PULSEAUDIO_INCLUDE_DIRS})
 892         ENDIF()
 893     ENDIF()
 894 ENDIF()
 895 IF(ALSOFT_REQUIRE_PULSEAUDIO AND NOT HAVE_PULSEAUDIO)
 896     MESSAGE(FATAL_ERROR "Failed to enabled required PulseAudio backend")
 897 ENDIF()
 898
 899 # Check CoreAudio backend
 900 OPTION(ALSOFT_REQUIRE_COREAUDIO "Require CoreAudio backend" OFF)
 901 FIND_LIBRARY(COREAUDIO_FRAMEWORK
 902              NAMES CoreAudio
 903              PATHS /System/Library/Frameworks
 904 )
 905 IF(COREAUDIO_FRAMEWORK)
 906     OPTION(ALSOFT_BACKEND_COREAUDIO "Enable CoreAudio backend" ON)
 907     IF(ALSOFT_BACKEND_COREAUDIO)
 908         SET(HAVE_COREAUDIO 1)
 909         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/coreaudio.c)
 910         SET(BACKENDS  "${BACKENDS} CoreAudio,")
 911         SET(EXTRA_LIBS ${COREAUDIO_FRAMEWORK} ${EXTRA_LIBS})
 912         SET(EXTRA_LIBS /System/Library/Frameworks/AudioUnit.framework ${EXTRA_LIBS})
 913         SET(EXTRA_LIBS /System/Library/Frameworks/ApplicationServices.framework ${EXTRA_LIBS})
 914
 915         # Some versions of OSX may need the AudioToolbox framework. Add it if
 916         # it's found.
 917         FIND_LIBRARY(AUDIOTOOLBOX_LIBRARY
 918                      NAMES AudioToolbox
 919                      PATHS ~/Library/Frameworks
 920                            /Library/Frameworks
 921                            /System/Library/Frameworks
 922                     )
 923         IF(AUDIOTOOLBOX_LIBRARY)
 924             SET(EXTRA_LIBS ${AUDIOTOOLBOX_LIBRARY} ${EXTRA_LIBS})
 925         ENDIF()
 926     ENDIF()
 927 ENDIF()
 928 IF(ALSOFT_REQUIRE_COREAUDIO AND NOT HAVE_COREAUDIO)
 929     MESSAGE(FATAL_ERROR "Failed to enabled required CoreAudio backend")
 930 ENDIF()
 931
 932 # Check for OpenSL (Android) backend
 933 OPTION(ALSOFT_REQUIRE_OPENSL "Require OpenSL backend" OFF)
 934 CHECK_INCLUDE_FILES("SLES/OpenSLES.h;SLES/OpenSLES_Android.h" HAVE_SLES_OPENSLES_ANDROID_H)
 935 IF(HAVE_SLES_OPENSLES_ANDROID_H)
 936     CHECK_SHARED_FUNCTION_EXISTS(slCreateEngine "SLES/OpenSLES.h" OpenSLES "" HAVE_LIBOPENSLES)
 937     IF(HAVE_LIBOPENSLES)
 938         OPTION(ALSOFT_BACKEND_OPENSL "Enable OpenSL backend" ON)
 939         IF(ALSOFT_BACKEND_OPENSL)
 940             SET(HAVE_OPENSL 1)
 941             SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/opensl.c)
 942             SET(BACKENDS  "${BACKENDS} OpenSL,")
 943             SET(EXTRA_LIBS OpenSLES ${EXTRA_LIBS})
 944         ENDIF()
 945     ENDIF()
 946 ENDIF()
 947 IF(ALSOFT_REQUIRE_OPENSL AND NOT HAVE_OPENSL)
 948     MESSAGE(FATAL_ERROR "Failed to enabled required OpenSL backend")
 949 ENDIF()
 950
 951 # Optionally enable the Wave Writer backend
 952 OPTION(ALSOFT_BACKEND_WAVE "Enable Wave Writer backend" ON)
 953 IF(ALSOFT_BACKEND_WAVE)
 954     SET(HAVE_WAVE 1)
 955     SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/wave.c)
 956     SET(BACKENDS  "${BACKENDS} WaveFile,")
 957 ENDIF()
 958
 959 # This is always available
 960 SET(BACKENDS  "${BACKENDS} Null")
 961
 962 IF(ALSOFT_UTILS AND NOT ALSOFT_NO_CONFIG_UTIL)
 963     add_subdirectory(utils/alsoft-config)
 964 ENDIF()
 965 IF(ALSOFT_EXAMPLES)
 966     FIND_PACKAGE(SDL2)
 967     IF(SDL2_FOUND)
 968         FIND_PACKAGE(SDL_sound)
 969         IF(SDL_SOUND_FOUND AND CMAKE_VERSION VERSION_LESS "2.8.8")
 970             INCLUDE_DIRECTORIES(${SDL2_INCLUDE_DIR} ${SDL_SOUND_INCLUDE_DIR})
 971         ENDIF()
 972         FIND_PACKAGE(FFmpeg COMPONENTS AVFORMAT AVCODEC AVUTIL SWSCALE SWRESAMPLE)
 973         IF(FFMPEG_FOUND AND CMAKE_VERSION VERSION_LESS "2.8.8")
 974             INCLUDE_DIRECTORIES(${FFMPEG_INCLUDE_DIRS})
 975         ENDIF()
 976     ENDIF()
 977 ENDIF()
 978
 979 IF(LIBTYPE STREQUAL "STATIC")
 980     ADD_DEFINITIONS(-DAL_LIBTYPE_STATIC)
 981     SET(PKG_CONFIG_CFLAGS -DAL_LIBTYPE_STATIC ${PKG_CONFIG_CFLAGS})
 982 ENDIF()
 983
 984 # Needed for openal.pc.in
 985 SET(prefix ${CMAKE_INSTALL_PREFIX})
 986 SET(exec_prefix "\${prefix}")
 987 SET(libdir "\${exec_prefix}/lib${LIB_SUFFIX}")
 988 SET(bindir "\${exec_prefix}/bin")
 989 SET(includedir "\${prefix}/include")
 990 SET(PACKAGE_VERSION "${LIB_VERSION}")
 991
 992 # End configuration
 993 CONFIGURE_FILE(
 994     "${OpenAL_SOURCE_DIR}/config.h.in"
 995     "${OpenAL_BINARY_DIR}/config.h")
 996 CONFIGURE_FILE(
 997     "${OpenAL_SOURCE_DIR}/openal.pc.in"
 998     "${OpenAL_BINARY_DIR}/openal.pc"
 999     @ONLY)
1000
1001 # Build a common library with reusable helpers
1002 ADD_LIBRARY(common STATIC ${COMMON_OBJS})
1003
1004 # Build main library
1005 ADD_LIBRARY(${LIBNAME} ${LIBTYPE} ${OPENAL_OBJS} ${ALC_OBJS})
1006 SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY COMPILE_DEFINITIONS AL_BUILD_LIBRARY AL_ALEXT_PROTOTYPES)
1007 IF(WIN32 AND ALSOFT_NO_UID_DEFS)
1008     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY COMPILE_DEFINITIONS AL_NO_UID_DEFS)
1009 ENDIF()
1010 SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES "${OpenAL_SOURCE_DIR}/OpenAL32/Include" "${OpenAL_SOURCE_DIR}/Alc")
1011 IF(FLUIDSYNTH_FOUND)
1012     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES ${FLUIDSYNTH_INCLUDE_DIR})
1013 ENDIF()
1014 IF(HAVE_ALSA)
1015     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES ${ALSA_INCLUDE_DIRS})
1016 ENDIF()
1017 IF(HAVE_OSS)
1018     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES ${OSS_INCLUDE_DIRS})
1019 ENDIF()
1020 IF(HAVE_SOLARIS)
1021     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES ${AUDIOIO_INCLUDE_DIRS})
1022 ENDIF()
1023 IF(HAVE_SNDIO)
1024     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES ${SOUNDIO_INCLUDE_DIRS})
1025 ENDIF()
1026 IF(HAVE_QSA)
1027     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES ${QSA_INCLUDE_DIRS})
1028 ENDIF()
1029 IF(HAVE_DSOUND)
1030     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES ${DSOUND_INCLUDE_DIRS})
1031 ENDIF()
1032 IF(HAVE_PORTAUDIO)
1033     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES ${PORTAUDIO_INCLUDE_DIRS})
1034 ENDIF()
1035 IF(HAVE_PULSEAUDIO)
1036     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES ${PULSEAUDIO_INCLUDE_DIRS})
1037 ENDIF()
1038 SET_TARGET_PROPERTIES(${LIBNAME} PROPERTIES VERSION ${LIB_VERSION}
1039                                             SOVERSION ${LIB_MAJOR_VERSION})
1040 IF(WIN32 AND NOT LIBTYPE STREQUAL "STATIC")
1041     SET_TARGET_PROPERTIES(${LIBNAME} PROPERTIES PREFIX "")
1042 ENDIF()
1043
1044 TARGET_LINK_LIBRARIES(${LIBNAME} common ${EXTRA_LIBS})
1045
1046 # Add an install target here
1047 INSTALL(TARGETS ${LIBNAME}
1048         RUNTIME DESTINATION bin
1049         LIBRARY DESTINATION "lib${LIB_SUFFIX}"
1050         ARCHIVE DESTINATION "lib${LIB_SUFFIX}"
1051 )
1052 INSTALL(FILES include/AL/al.h
1053               include/AL/alc.h
1054               include/AL/alext.h
1055               include/AL/efx.h
1056               include/AL/efx-creative.h
1057               include/AL/efx-presets.h
1058         DESTINATION include/AL
1059 )
1060 INSTALL(FILES "${OpenAL_BINARY_DIR}/openal.pc"
1061         DESTINATION "lib${LIB_SUFFIX}/pkgconfig")
1062
1063
1064 MESSAGE(STATUS "")
1065 MESSAGE(STATUS "Building OpenAL with support for the following backends:")
1066 MESSAGE(STATUS "    ${BACKENDS}")
1067 MESSAGE(STATUS "")
1068 MESSAGE(STATUS "Building with support for CPU extensions:")
1069 MESSAGE(STATUS "    ${CPU_EXTS}")
1070 MESSAGE(STATUS "")
1071 IF(HAVE_FLUIDSYNTH)
1072     MESSAGE(STATUS "FluidSynth support for ALC_SOFT_midi_interface enabled")
1073     MESSAGE(STATUS "")
1074 ENDIF()
1075
1076 IF(WIN32)
1077     IF(NOT HAVE_DSOUND)
1078         MESSAGE(STATUS "WARNING: Building the Windows version without DirectSound output")
1079         MESSAGE(STATUS "         This is probably NOT what you want!")
1080         MESSAGE(STATUS "")
1081     ENDIF()
1082 ENDIF()
1083
1084 # Install alsoft.conf configuration file
1085 IF(ALSOFT_CONFIG)
1086     INSTALL(FILES alsoftrc.sample
1087             DESTINATION share/openal
1088     )
1089     MESSAGE(STATUS "Installing sample configuration")
1090     MESSAGE(STATUS "")
1091 ENDIF()
1092
1093 # Install HRTF definitions
1094 IF(ALSOFT_HRTF_DEFS)
1095     INSTALL(FILES hrtf/default-44100.mhr
1096             DESTINATION share/openal/hrtf
1097     )
1098     MESSAGE(STATUS "Installing HRTF definitions")
1099     MESSAGE(STATUS "")
1100 ENDIF()
1101
1102 IF(ALSOFT_UTILS)
1103     ADD_EXECUTABLE(openal-info utils/openal-info.c)
1104     TARGET_LINK_LIBRARIES(openal-info ${LIBNAME})
1105
1106     ADD_EXECUTABLE(makehrtf utils/makehrtf.c)
1107     IF(HAVE_LIBM)
1108         TARGET_LINK_LIBRARIES(makehrtf m)
1109     ENDIF()
1110
1111     INSTALL(TARGETS openal-info makehrtf
1112             RUNTIME DESTINATION bin
1113             LIBRARY DESTINATION "lib${LIB_SUFFIX}"
1114             ARCHIVE DESTINATION "lib${LIB_SUFFIX}"
1115     )
1116
1117     MESSAGE(STATUS "Building utility programs")
1118     IF(TARGET alsoft-config)
1119         MESSAGE(STATUS "Building configuration program")
1120     ENDIF()
1121     MESSAGE(STATUS "")
1122 ENDIF()
1123
1124 IF(ALSOFT_EXAMPLES)
1125     IF(SDL2_FOUND AND SDL_SOUND_FOUND)
1126         ADD_LIBRARY(ex-common STATIC examples/common/alhelpers.c
1127                                      examples/common/sdl_sound.c)
1128         SET_PROPERTY(TARGET ex-common APPEND PROPERTY INCLUDE_DIRECTORIES ${SDL2_INCLUDE_DIR}
1129                                                                           ${SDL_SOUND_INCLUDE_DIR})
1130
1131         ADD_EXECUTABLE(alstream examples/alstream.c)
1132         TARGET_LINK_LIBRARIES(alstream ex-common ${SDL_SOUND_LIBRARIES} ${SDL2_LIBRARY} ${LIBNAME})
1133         SET_PROPERTY(TARGET alstream APPEND PROPERTY INCLUDE_DIRECTORIES ${SDL2_INCLUDE_DIR}
1134                                                                          ${SDL_SOUND_INCLUDE_DIR})
1135
1136         ADD_EXECUTABLE(alreverb examples/alreverb.c)
1137         TARGET_LINK_LIBRARIES(alreverb ex-common ${SDL_SOUND_LIBRARIES} ${SDL2_LIBRARY} ${LIBNAME})
1138         SET_PROPERTY(TARGET alreverb APPEND PROPERTY INCLUDE_DIRECTORIES ${SDL2_INCLUDE_DIR}
1139                                                                          ${SDL_SOUND_INCLUDE_DIR})
1140
1141         ADD_EXECUTABLE(allatency examples/allatency.c)
1142         TARGET_LINK_LIBRARIES(allatency ex-common ${SDL_SOUND_LIBRARIES} ${SDL2_LIBRARY} ${LIBNAME})
1143         SET_PROPERTY(TARGET allatency APPEND PROPERTY INCLUDE_DIRECTORIES ${SDL2_INCLUDE_DIR}
1144                                                                           ${SDL_SOUND_INCLUDE_DIR})
1145
1146         ADD_EXECUTABLE(alloopback examples/alloopback.c)
1147         TARGET_LINK_LIBRARIES(alloopback ex-common ${SDL_SOUND_LIBRARIES} ${SDL2_LIBRARY} ${LIBNAME})
1148         SET_PROPERTY(TARGET alloopback APPEND PROPERTY INCLUDE_DIRECTORIES ${SDL2_INCLUDE_DIR}
1149                                                                            ${SDL_SOUND_INCLUDE_DIR})
1150
1151         INSTALL(TARGETS alstream alreverb allatency alloopback
1152                 RUNTIME DESTINATION bin
1153                 LIBRARY DESTINATION "lib${LIB_SUFFIX}"
1154                 ARCHIVE DESTINATION "lib${LIB_SUFFIX}"
1155         )
1156
1157         SET(FFVER_OK FALSE)
1158         IF(FFMPEG_FOUND)
1159             SET(FFVER_OK TRUE)
1160             IF(AVFORMAT_VERSION VERSION_LESS "55.33.100")
1161                 MESSAGE(STATUS "libavformat is too old! (${AVFORMAT_VERSION}, wanted 55.33.100)")
1162                 SET(FFVER_OK FALSE)
1163             ENDIF()
1164             IF(AVCODEC_VERSION VERSION_LESS "55.52.102")
1165                 MESSAGE(STATUS "libavcodec is too old! (${AVCODEC_VERSION}, wanted 55.52.102)")
1166                 SET(FFVER_OK FALSE)
1167             ENDIF()
1168             IF(AVUTIL_VERSION VERSION_LESS "52.66.100")
1169                 MESSAGE(STATUS "libavutil is too old! (${AVUTIL_VERSION}, wanted 52.66.100)")
1170                 SET(FFVER_OK FALSE)
1171             ENDIF()
1172             IF(SWSCALE_VERSION VERSION_LESS "2.5.102")
1173                 MESSAGE(STATUS "libswscale is too old! (${SWSCALE_VERSION}, wanted 2.5.102)")
1174                 SET(FFVER_OK FALSE)
1175             ENDIF()
1176             IF(SWRESAMPLE_VERSION VERSION_LESS "0.18.100")
1177                 MESSAGE(STATUS "libswresample is too old! (${SWRESAMPLE_VERSION}, wanted 0.18.100)")
1178                 SET(FFVER_OK FALSE)
1179             ENDIF()
1180         ENDIF()
1181         IF(FFVER_OK AND NOT MSVC)
1182             ADD_EXECUTABLE(alffplay examples/alffplay.c)
1183             TARGET_LINK_LIBRARIES(alffplay common ex-common ${SDL2_LIBRARY} ${LIBNAME} ${FFMPEG_LIBRARIES})
1184             SET_PROPERTY(TARGET alffplay APPEND PROPERTY INCLUDE_DIRECTORIES ${SDL2_INCLUDE_DIR}
1185                                                                              ${FFMPEG_INCLUDE_DIRS})
1186
1187             INSTALL(TARGETS alffplay
1188                     RUNTIME DESTINATION bin
1189                     LIBRARY DESTINATION "lib${LIB_SUFFIX}"
1190                     ARCHIVE DESTINATION "lib${LIB_SUFFIX}"
1191             )
1192             MESSAGE(STATUS "Building SDL and FFmpeg example programs")
1193         ELSE()
1194             MESSAGE(STATUS "Building SDL example programs")
1195         ENDIF()
1196         MESSAGE(STATUS "")
1197     ENDIF()
1198 ENDIF()