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     IF(POLICY CMP0042)
  11         CMAKE_POLICY(SET CMP0042 NEW)
  12     ENDIF(POLICY CMP0042)
  13 ENDIF(COMMAND CMAKE_POLICY)
  14
  15 SET(CMAKE_MODULE_PATH "${OpenAL_SOURCE_DIR}/cmake")
  16
  17 INCLUDE(CheckFunctionExists)
  18 INCLUDE(CheckLibraryExists)
  19 INCLUDE(CheckSharedFunctionExists)
  20 INCLUDE(CheckIncludeFile)
  21 INCLUDE(CheckIncludeFiles)
  22 INCLUDE(CheckSymbolExists)
  23 INCLUDE(CheckCCompilerFlag)
  24 INCLUDE(CheckCSourceCompiles)
  25 INCLUDE(CheckTypeSize)
  26 include(CheckFileOffsetBits)
  27
  28
  29 SET(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS TRUE)
  30
  31
  32 OPTION(ALSOFT_DLOPEN  "Check for the dlopen API for loading optional libs"  ON)
  33
  34 OPTION(ALSOFT_WERROR  "Treat compile warnings as errors"      OFF)
  35
  36 OPTION(ALSOFT_UTILS          "Build and install utility programs"         ON)
  37 OPTION(ALSOFT_NO_CONFIG_UTIL "Disable building the alsoft-config utility" OFF)
  38
  39 OPTION(ALSOFT_EXAMPLES  "Build and install example programs"  ON)
  40 OPTION(ALSOFT_TESTS     "Build and install test programs"     ON)
  41
  42 OPTION(ALSOFT_CONFIG "Install alsoft.conf sample configuration file" ON)
  43 OPTION(ALSOFT_HRTF_DEFS "Install HRTF definition files" ON)
  44 OPTION(ALSOFT_INSTALL "Install headers and libraries" ON)
  45
  46
  47 set(SHARE_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/share" CACHE STRING "The share install dir")
  48
  49
  50 IF(NOT WIN32)
  51     SET(LIBNAME openal)
  52 ELSE()
  53     SET(LIBNAME OpenAL32)
  54     ADD_DEFINITIONS("-D_WIN32 -D_WIN32_WINNT=0x0502")
  55
  56     # This option is mainly for static linking OpenAL Soft into another project
  57     # that already defines the IDs. It is up to that project to ensure all
  58     # required IDs are defined.
  59     OPTION(ALSOFT_NO_UID_DEFS "Do not define GUIDs, IIDs, CLSIDs, or PropertyKeys" OFF)
  60
  61     IF(MINGW)
  62         OPTION(ALSOFT_BUILD_IMPORT_LIB "Build an import .lib using dlltool (requires sed)" ON)
  63         IF(NOT DLLTOOL)
  64             IF(HOST)
  65                 SET(DLLTOOL "${HOST}-dlltool")
  66             ELSE()
  67                 SET(DLLTOOL "dlltool")
  68             ENDIF()
  69         ENDIF()
  70     ENDIF()
  71 ENDIF()
  72
  73
  74 # QNX's gcc do not uses /usr/include and /usr/lib pathes by default
  75 IF ("${CMAKE_C_PLATFORM_ID}" STREQUAL "QNX")
  76     ADD_DEFINITIONS("-I/usr/include")
  77     SET(EXTRA_LIBS ${EXTRA_LIBS} -L/usr/lib)
  78 ENDIF()
  79
  80 IF(NOT LIBTYPE)
  81     SET(LIBTYPE SHARED)
  82 ENDIF()
  83
  84 SET(LIB_MAJOR_VERSION "1")
  85 SET(LIB_MINOR_VERSION "17")
  86 SET(LIB_REVISION "2")
  87 SET(LIB_VERSION "${LIB_MAJOR_VERSION}.${LIB_MINOR_VERSION}.${LIB_REVISION}")
  88
  89 SET(EXPORT_DECL "")
  90 SET(ALIGN_DECL "")
  91
  92
  93 CHECK_TYPE_SIZE("long" SIZEOF_LONG)
  94 CHECK_TYPE_SIZE("long long" SIZEOF_LONG_LONG)
  95
  96
  97 CHECK_C_COMPILER_FLAG(-std=c11 HAVE_STD_C11)
  98 IF(HAVE_STD_C11)
  99     SET(CMAKE_C_FLAGS "-std=c11 ${CMAKE_C_FLAGS}")
 100 ELSE()
 101     CHECK_C_COMPILER_FLAG(-std=c99 HAVE_STD_C99)
 102     IF(HAVE_STD_C99)
 103         SET(CMAKE_C_FLAGS "-std=c99 ${CMAKE_C_FLAGS}")
 104     ENDIF()
 105 ENDIF()
 106
 107 if(NOT WIN32)
 108     # Check if _POSIX_C_SOURCE and _XOPEN_SOURCE needs to be set for POSIX functions
 109     CHECK_SYMBOL_EXISTS(posix_memalign stdlib.h HAVE_POSIX_MEMALIGN_DEFAULT)
 110     IF(NOT HAVE_POSIX_MEMALIGN_DEFAULT)
 111         SET(OLD_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
 112         SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -D_POSIX_C_SOURCE=200112L -D_XOPEN_SOURCE=500")
 113         CHECK_SYMBOL_EXISTS(posix_memalign stdlib.h HAVE_POSIX_MEMALIGN_POSIX)
 114         IF(NOT HAVE_POSIX_MEMALIGN_POSIX)
 115             SET(CMAKE_REQUIRED_FLAGS ${OLD_REQUIRED_FLAGS})
 116         ELSE()
 117             ADD_DEFINITIONS(-D_POSIX_C_SOURCE=200112L -D_XOPEN_SOURCE=500)
 118         ENDIF()
 119     ENDIF()
 120     UNSET(OLD_REQUIRED_FLAGS)
 121 ENDIF()
 122
 123 # Set defines for large file support
 124 CHECK_FILE_OFFSET_BITS()
 125 IF(_FILE_OFFSET_BITS)
 126     ADD_DEFINITIONS(-D_FILE_OFFSET_BITS=${_FILE_OFFSET_BITS})
 127     SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -D_FILE_OFFSET_BITS=${_FILE_OFFSET_BITS}")
 128 ENDIF()
 129 ADD_DEFINITIONS(-D_LARGEFILE_SOURCE -D_LARGE_FILES)
 130 SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -D_LARGEFILE_SOURCE -D_LARGE_FILES")
 131
 132 # MSVC may need workarounds for C99 restrict and inline
 133 IF(MSVC)
 134     # TODO: Once we truly require C99, these restrict and inline checks should go
 135     # away.
 136     CHECK_C_SOURCE_COMPILES("int *restrict foo;
 137                              int main() {return 0;}" HAVE_RESTRICT)
 138     IF(NOT HAVE_RESTRICT)
 139         ADD_DEFINITIONS("-Drestrict=")
 140         SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Drestrict=")
 141     ENDIF()
 142
 143     CHECK_C_SOURCE_COMPILES("inline void foo(void) { }
 144                              int main() {return 0;}" HAVE_INLINE)
 145     IF(NOT HAVE_INLINE)
 146         CHECK_C_SOURCE_COMPILES("__inline void foo(void) { }
 147                                  int main() {return 0;}" HAVE___INLINE)
 148         IF(NOT HAVE___INLINE)
 149             MESSAGE(FATAL_ERROR "No inline keyword found, please report!")
 150         ENDIF()
 151
 152         ADD_DEFINITIONS(-Dinline=__inline)
 153         SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Dinline=__inline")
 154     ENDIF()
 155 ENDIF()
 156
 157 # Make sure we have C99-style inline semantics with GCC (4.3 or newer).
 158 IF(CMAKE_COMPILER_IS_GNUCC)
 159     SET(OLD_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
 160     # Force no inlining for the next test.
 161     SET(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS} -fno-inline")
 162
 163     CHECK_C_SOURCE_COMPILES("extern inline int foo() { return 0; }
 164                              int main() {return foo();}" INLINE_IS_C99)
 165     IF(NOT INLINE_IS_C99)
 166         MESSAGE(FATAL_ERROR "Your compiler does not seem to have C99 inline semantics!
 167                              Please update your compiler for better C99 compliance.")
 168     ENDIF()
 169
 170     SET(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS}")
 171 ENDIF()
 172
 173 # Check if we have C99 variable length arrays
 174 CHECK_C_SOURCE_COMPILES(
 175 "int main(int argc, char *argv[])
 176  {
 177      volatile int tmp[argc];
 178      tmp[0] = argv[0][0];
 179      return tmp[0];
 180  }"
 181 HAVE_C99_VLA)
 182
 183 # Check if we have C99 bool
 184 CHECK_C_SOURCE_COMPILES(
 185 "int main(int argc, char *argv[])
 186  {
 187      volatile _Bool ret;
 188      ret = (argc > 1) ? 1 : 0;
 189      return ret ? -1 : 0;
 190  }"
 191 HAVE_C99_BOOL)
 192
 193 # Check if we have C11 static_assert
 194 CHECK_C_SOURCE_COMPILES(
 195 "int main()
 196  {
 197      _Static_assert(sizeof(int) == sizeof(int), \"What\");
 198      return 0;
 199  }"
 200 HAVE_C11_STATIC_ASSERT)
 201
 202 # Check if we have C11 alignas
 203 CHECK_C_SOURCE_COMPILES(
 204 "_Alignas(16) int foo;
 205  int main()
 206  {
 207      return 0;
 208  }"
 209 HAVE_C11_ALIGNAS)
 210
 211 # Check if we have C11 _Atomic
 212 CHECK_C_SOURCE_COMPILES(
 213 "#include <stdatomic.h>
 214  const int _Atomic foo = ATOMIC_VAR_INIT(~0);
 215  int main()
 216  {
 217      return atomic_load(&foo);
 218  }"
 219 HAVE_C11_ATOMIC)
 220
 221 # Add definitions, compiler switches, etc.
 222 INCLUDE_DIRECTORIES("${OpenAL_SOURCE_DIR}/include" "${OpenAL_BINARY_DIR}")
 223 IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 224     INCLUDE_DIRECTORIES("${OpenAL_SOURCE_DIR}/OpenAL32/Include" "${OpenAL_SOURCE_DIR}/Alc")
 225     IF(WIN32 AND ALSOFT_NO_UID_DEFS)
 226         ADD_DEFINITIONS("-DAL_NO_UID_DEFS")
 227     ENDIF()
 228 ENDIF()
 229
 230 IF(NOT CMAKE_BUILD_TYPE)
 231     SET(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING
 232         "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel."
 233         FORCE)
 234 ENDIF()
 235 IF(NOT CMAKE_DEBUG_POSTFIX)
 236     SET(CMAKE_DEBUG_POSTFIX "" CACHE STRING
 237         "Library postfix for debug builds. Normally left blank."
 238         FORCE)
 239 ENDIF()
 240
 241 IF(MSVC)
 242     ADD_DEFINITIONS(-D_CRT_SECURE_NO_WARNINGS)
 243     ADD_DEFINITIONS(-D_CRT_NONSTDC_NO_DEPRECATE)
 244     ADD_DEFINITIONS("/wd4098")
 245
 246     IF(NOT DXSDK_DIR)
 247         STRING(REGEX REPLACE "\\\\" "/" DXSDK_DIR "$ENV{DXSDK_DIR}")
 248     ELSE()
 249         STRING(REGEX REPLACE "\\\\" "/" DXSDK_DIR "${DXSDK_DIR}")
 250     ENDIF()
 251     IF(DXSDK_DIR)
 252         MESSAGE(STATUS "Using DirectX SDK directory: ${DXSDK_DIR}")
 253     ENDIF()
 254
 255     OPTION(FORCE_STATIC_VCRT "Force /MT for static VC runtimes" OFF)
 256     IF(FORCE_STATIC_VCRT)
 257         FOREACH(flag_var
 258                 CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
 259                 CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO)
 260             IF(${flag_var} MATCHES "/MD")
 261                 STRING(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
 262             ENDIF()
 263         ENDFOREACH(flag_var)
 264     ENDIF()
 265 ELSE()
 266     ADD_DEFINITIONS(-Winline -Wall)
 267     CHECK_C_COMPILER_FLAG(-Wextra HAVE_W_EXTRA)
 268     IF(HAVE_W_EXTRA)
 269         ADD_DEFINITIONS(-Wextra)
 270     ENDIF()
 271
 272     IF(ALSOFT_WERROR)
 273         ADD_DEFINITIONS(-Werror)
 274     ENDIF()
 275
 276     # Force enable -fPIC for CMake versions before 2.8.9 (later versions have
 277     # the POSITION_INDEPENDENT_CODE target property). The static common library
 278     # will be linked into the dynamic openal library, which requires all its
 279     # code to be position-independent.
 280     IF(CMAKE_VERSION VERSION_LESS "2.8.9" AND NOT WIN32)
 281         CHECK_C_COMPILER_FLAG(-fPIC HAVE_FPIC_SWITCH)
 282         IF(HAVE_FPIC_SWITCH)
 283             ADD_DEFINITIONS(-fPIC)
 284         ENDIF()
 285     ENDIF()
 286
 287     # We want RelWithDebInfo to actually include debug stuff (define _DEBUG
 288     # instead of NDEBUG)
 289     FOREACH(flag_var  CMAKE_C_FLAGS_RELWITHDEBINFO CMAKE_CXX_FLAGS_RELWITHDEBINFO)
 290         IF(${flag_var} MATCHES "-DNDEBUG")
 291             STRING(REGEX REPLACE "-DNDEBUG" "-D_DEBUG" ${flag_var} "${${flag_var}}")
 292         ENDIF()
 293     ENDFOREACH()
 294
 295     CHECK_C_SOURCE_COMPILES("int foo() __attribute__((destructor));
 296                              int main() {return 0;}" HAVE_GCC_DESTRUCTOR)
 297
 298     option(ALSOFT_STATIC_LIBGCC "Force -static-libgcc for static GCC runtimes" OFF)
 299     if(ALSOFT_STATIC_LIBGCC)
 300         set(OLD_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
 301         set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} -static-libgcc)
 302         check_c_source_compiles(
 303 "#include <stdlib.h>
 304 int main()
 305 {
 306     return 0;
 307 }"
 308             HAVE_STATIC_LIBGCC_SWITCH
 309         )
 310         if(HAVE_STATIC_LIBGCC_SWITCH)
 311             set(EXTRA_LIBS ${EXTRA_LIBS} -static-libgcc)
 312         endif()
 313         set(CMAKE_REQUIRED_LIBRARIES ${OLD_REQUIRED_LIBRARIES})
 314         unset(OLD_REQUIRED_LIBRARIES)
 315     endif()
 316 ENDIF()
 317
 318 # Set visibility/export options if available
 319 IF(WIN32)
 320     SET(EXPORT_DECL "__declspec(dllexport)")
 321     IF(NOT MINGW)
 322         SET(ALIGN_DECL "__declspec(align(x))")
 323     ELSE()
 324         SET(ALIGN_DECL "__declspec(aligned(x))")
 325     ENDIF()
 326 ELSE()
 327     SET(OLD_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
 328     # Yes GCC, really don't accept visibility modes you don't support
 329     SET(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS} -Wattributes -Werror")
 330
 331     CHECK_C_SOURCE_COMPILES("int foo() __attribute__((visibility(\"protected\")));
 332                              int main() {return 0;}" HAVE_GCC_PROTECTED_VISIBILITY)
 333     IF(HAVE_GCC_PROTECTED_VISIBILITY)
 334         SET(EXPORT_DECL "__attribute__((visibility(\"protected\")))")
 335     ELSE()
 336         CHECK_C_SOURCE_COMPILES("int foo() __attribute__((visibility(\"default\")));
 337                                  int main() {return 0;}" HAVE_GCC_DEFAULT_VISIBILITY)
 338         IF(HAVE_GCC_DEFAULT_VISIBILITY)
 339             SET(EXPORT_DECL "__attribute__((visibility(\"default\")))")
 340         ENDIF()
 341     ENDIF()
 342
 343     IF(HAVE_GCC_PROTECTED_VISIBILITY OR HAVE_GCC_DEFAULT_VISIBILITY)
 344         CHECK_C_COMPILER_FLAG(-fvisibility=hidden HAVE_VISIBILITY_HIDDEN_SWITCH)
 345         IF(HAVE_VISIBILITY_HIDDEN_SWITCH)
 346             ADD_DEFINITIONS(-fvisibility=hidden)
 347         ENDIF()
 348     ENDIF()
 349
 350     CHECK_C_SOURCE_COMPILES("int foo __attribute__((aligned(16)));
 351                              int main() {return 0;}" HAVE_ATTRIBUTE_ALIGNED)
 352     IF(HAVE_ATTRIBUTE_ALIGNED)
 353         SET(ALIGN_DECL "__attribute__((aligned(x)))")
 354     ENDIF()
 355
 356     SET(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS}")
 357 ENDIF()
 358
 359 SET(SSE_SWITCH "")
 360 SET(SSE2_SWITCH "")
 361 SET(SSE3_SWITCH "")
 362 SET(SSE4_1_SWITCH "")
 363 IF(NOT MSVC)
 364     CHECK_C_COMPILER_FLAG(-msse HAVE_MSSE_SWITCH)
 365     IF(HAVE_MSSE_SWITCH)
 366         SET(SSE_SWITCH "-msse")
 367     ENDIF()
 368     CHECK_C_COMPILER_FLAG(-msse2 HAVE_MSSE2_SWITCH)
 369     IF(HAVE_MSSE2_SWITCH)
 370         SET(SSE2_SWITCH "-msse2")
 371     ENDIF()
 372     CHECK_C_COMPILER_FLAG(-msse3 HAVE_MSSE3_SWITCH)
 373     IF(HAVE_MSSE3_SWITCH)
 374         SET(SSE3_SWITCH "-msse3")
 375     ENDIF()
 376     CHECK_C_COMPILER_FLAG(-msse4.1 HAVE_MSSE4_1_SWITCH)
 377     IF(HAVE_MSSE4_1_SWITCH)
 378         SET(SSE4_1_SWITCH "-msse4.1")
 379     ENDIF()
 380 ENDIF()
 381
 382 CHECK_C_SOURCE_COMPILES("int foo(const char *str, ...) __attribute__((format(printf, 1, 2)));
 383                          int main() {return 0;}" HAVE_GCC_FORMAT)
 384
 385 CHECK_INCLUDE_FILE(stdbool.h HAVE_STDBOOL_H)
 386 CHECK_INCLUDE_FILE(stdalign.h HAVE_STDALIGN_H)
 387 CHECK_INCLUDE_FILE(malloc.h HAVE_MALLOC_H)
 388 CHECK_INCLUDE_FILE(dirent.h HAVE_DIRENT_H)
 389 CHECK_INCLUDE_FILE(strings.h HAVE_STRINGS_H)
 390 CHECK_INCLUDE_FILE(cpuid.h HAVE_CPUID_H)
 391 CHECK_INCLUDE_FILE(intrin.h HAVE_INTRIN_H)
 392 CHECK_INCLUDE_FILE(sys/sysconf.h HAVE_SYS_SYSCONF_H)
 393 CHECK_INCLUDE_FILE(fenv.h HAVE_FENV_H)
 394 CHECK_INCLUDE_FILE(float.h HAVE_FLOAT_H)
 395 CHECK_INCLUDE_FILE(ieeefp.h HAVE_IEEEFP_H)
 396 CHECK_INCLUDE_FILE(guiddef.h HAVE_GUIDDEF_H)
 397 IF(NOT HAVE_GUIDDEF_H)
 398     CHECK_INCLUDE_FILE(initguid.h HAVE_INITGUID_H)
 399 ENDIF()
 400
 401 # Some systems need libm for some of the following math functions to work
 402 CHECK_LIBRARY_EXISTS(m pow "" HAVE_LIBM)
 403 IF(HAVE_LIBM)
 404     SET(EXTRA_LIBS m ${EXTRA_LIBS})
 405     SET(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} m)
 406 ENDIF()
 407
 408 # Check for the dlopen API (for dynamicly loading backend libs)
 409 IF(ALSOFT_DLOPEN)
 410     CHECK_LIBRARY_EXISTS(dl dlopen "" HAVE_LIBDL)
 411     IF(HAVE_LIBDL)
 412         SET(EXTRA_LIBS dl ${EXTRA_LIBS})
 413         SET(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} dl)
 414     ENDIF()
 415
 416     CHECK_INCLUDE_FILE(dlfcn.h HAVE_DLFCN_H)
 417 ENDIF()
 418
 419 # Check for a cpuid intrinsic
 420 IF(HAVE_CPUID_H)
 421     CHECK_C_SOURCE_COMPILES("#include <cpuid.h>
 422         int main()
 423         {
 424             unsigned int eax, ebx, ecx, edx;
 425             return __get_cpuid(0, &eax, &ebx, &ecx, &edx);
 426         }" HAVE_GCC_GET_CPUID)
 427 ENDIF()
 428 IF(HAVE_INTRIN_H)
 429     CHECK_C_SOURCE_COMPILES("#include <intrin.h>
 430         int main()
 431         {
 432             int regs[4];
 433             __cpuid(regs, 0);
 434             return regs[0];
 435         }" HAVE_CPUID_INTRINSIC)
 436 ENDIF()
 437
 438 CHECK_SYMBOL_EXISTS(aligned_alloc    stdlib.h HAVE_ALIGNED_ALLOC)
 439 CHECK_SYMBOL_EXISTS(posix_memalign   stdlib.h HAVE_POSIX_MEMALIGN)
 440 CHECK_SYMBOL_EXISTS(_aligned_malloc  malloc.h HAVE__ALIGNED_MALLOC)
 441 CHECK_SYMBOL_EXISTS(lrintf math.h HAVE_LRINTF)
 442 CHECK_SYMBOL_EXISTS(modff  math.h HAVE_MODFF)
 443 IF(NOT HAVE_C99_VLA)
 444     CHECK_SYMBOL_EXISTS(alloca malloc.h HAVE_ALLOCA)
 445     IF(NOT HAVE_ALLOCA)
 446         MESSAGE(FATAL_ERROR "No alloca function found, please report!")
 447     ENDIF()
 448 ENDIF()
 449
 450 IF(HAVE_FLOAT_H)
 451     CHECK_SYMBOL_EXISTS(_controlfp float.h HAVE__CONTROLFP)
 452     CHECK_SYMBOL_EXISTS(__control87_2 float.h HAVE___CONTROL87_2)
 453 ENDIF()
 454
 455 CHECK_FUNCTION_EXISTS(stat HAVE_STAT)
 456 CHECK_FUNCTION_EXISTS(strtof HAVE_STRTOF)
 457 CHECK_FUNCTION_EXISTS(strcasecmp HAVE_STRCASECMP)
 458 IF(NOT HAVE_STRCASECMP)
 459     CHECK_FUNCTION_EXISTS(_stricmp HAVE__STRICMP)
 460     IF(NOT HAVE__STRICMP)
 461         MESSAGE(FATAL_ERROR "No case-insensitive compare function found, please report!")
 462     ENDIF()
 463
 464     ADD_DEFINITIONS(-Dstrcasecmp=_stricmp)
 465 ENDIF()
 466
 467 CHECK_FUNCTION_EXISTS(strncasecmp HAVE_STRNCASECMP)
 468 IF(NOT HAVE_STRNCASECMP)
 469     CHECK_FUNCTION_EXISTS(_strnicmp HAVE__STRNICMP)
 470     IF(NOT HAVE__STRNICMP)
 471         MESSAGE(FATAL_ERROR "No case-insensitive size-limitted compare function found, please report!")
 472     ENDIF()
 473
 474     ADD_DEFINITIONS(-Dstrncasecmp=_strnicmp)
 475 ENDIF()
 476
 477 CHECK_SYMBOL_EXISTS(strnlen string.h HAVE_STRNLEN)
 478 CHECK_SYMBOL_EXISTS(snprintf stdio.h HAVE_SNPRINTF)
 479 IF(NOT HAVE_SNPRINTF)
 480     CHECK_FUNCTION_EXISTS(_snprintf HAVE__SNPRINTF)
 481     IF(NOT HAVE__SNPRINTF)
 482         MESSAGE(FATAL_ERROR "No snprintf function found, please report!")
 483     ENDIF()
 484
 485     ADD_DEFINITIONS(-Dsnprintf=_snprintf)
 486 ENDIF()
 487
 488 CHECK_SYMBOL_EXISTS(isfinite math.h HAVE_ISFINITE)
 489 IF(NOT HAVE_ISFINITE)
 490     CHECK_FUNCTION_EXISTS(finite HAVE_FINITE)
 491     IF(NOT HAVE_FINITE)
 492         CHECK_FUNCTION_EXISTS(_finite HAVE__FINITE)
 493         IF(NOT HAVE__FINITE)
 494             MESSAGE(FATAL_ERROR "No isfinite function found, please report!")
 495         ENDIF()
 496         ADD_DEFINITIONS(-Disfinite=_finite)
 497     ELSE()
 498         ADD_DEFINITIONS(-Disfinite=finite)
 499     ENDIF()
 500 ENDIF()
 501
 502 CHECK_SYMBOL_EXISTS(isnan math.h HAVE_ISNAN)
 503 IF(NOT HAVE_ISNAN)
 504     CHECK_FUNCTION_EXISTS(_isnan HAVE__ISNAN)
 505     IF(NOT HAVE__ISNAN)
 506         MESSAGE(FATAL_ERROR "No isnan function found, please report!")
 507     ENDIF()
 508
 509     ADD_DEFINITIONS(-Disnan=_isnan)
 510 ENDIF()
 511
 512
 513 # Check if we have Windows headers
 514 CHECK_INCLUDE_FILE(windows.h HAVE_WINDOWS_H -D_WIN32_WINNT=0x0502)
 515 IF(NOT HAVE_WINDOWS_H)
 516     CHECK_SYMBOL_EXISTS(gettimeofday sys/time.h HAVE_GETTIMEOFDAY)
 517     IF(NOT HAVE_GETTIMEOFDAY)
 518         MESSAGE(FATAL_ERROR "No timing function found!")
 519     ENDIF()
 520
 521     CHECK_SYMBOL_EXISTS(nanosleep time.h HAVE_NANOSLEEP)
 522     IF(NOT HAVE_NANOSLEEP)
 523         MESSAGE(FATAL_ERROR "No sleep function found!")
 524     ENDIF()
 525
 526     # We need pthreads outside of Windows
 527     CHECK_INCLUDE_FILE(pthread.h HAVE_PTHREAD_H)
 528     IF(NOT HAVE_PTHREAD_H)
 529         MESSAGE(FATAL_ERROR "PThreads is required for non-Windows builds!")
 530     ENDIF()
 531     # Some systems need pthread_np.h to get recursive mutexes
 532     CHECK_INCLUDE_FILES("pthread.h;pthread_np.h" HAVE_PTHREAD_NP_H)
 533
 534     CHECK_C_COMPILER_FLAG(-pthread HAVE_PTHREAD)
 535     IF(HAVE_PTHREAD)
 536         ADD_DEFINITIONS(-pthread)
 537         SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -pthread")
 538         SET(EXTRA_LIBS ${EXTRA_LIBS} -pthread)
 539     ENDIF()
 540
 541     CHECK_LIBRARY_EXISTS(pthread pthread_create "" HAVE_LIBPTHREAD)
 542     IF(HAVE_LIBPTHREAD)
 543         SET(EXTRA_LIBS pthread ${EXTRA_LIBS})
 544     ENDIF()
 545
 546     CHECK_SYMBOL_EXISTS(pthread_setschedparam pthread.h HAVE_PTHREAD_SETSCHEDPARAM)
 547
 548     IF(HAVE_PTHREAD_NP_H)
 549         CHECK_SYMBOL_EXISTS(pthread_setname_np "pthread.h;pthread_np.h" HAVE_PTHREAD_SETNAME_NP)
 550         IF(NOT HAVE_PTHREAD_SETNAME_NP)
 551             CHECK_SYMBOL_EXISTS(pthread_set_name_np "pthread.h;pthread_np.h" HAVE_PTHREAD_SET_NAME_NP)
 552         ELSE()
 553             CHECK_C_SOURCE_COMPILES("
 554 #include <pthread.h>
 555 #include <pthread_np.h>
 556 int main()
 557 {
 558     pthread_setname_np(\"testname\");
 559     return 0;
 560 }"
 561                 PTHREAD_SETNAME_NP_ONE_PARAM
 562             )
 563         ENDIF()
 564         CHECK_SYMBOL_EXISTS(pthread_mutexattr_setkind_np "pthread.h;pthread_np.h" HAVE_PTHREAD_MUTEXATTR_SETKIND_NP)
 565     ELSE()
 566         CHECK_SYMBOL_EXISTS(pthread_setname_np pthread.h HAVE_PTHREAD_SETNAME_NP)
 567         IF(NOT HAVE_PTHREAD_SETNAME_NP)
 568             CHECK_SYMBOL_EXISTS(pthread_set_name_np pthread.h HAVE_PTHREAD_SET_NAME_NP)
 569         ELSE()
 570             CHECK_C_SOURCE_COMPILES("
 571 #include <pthread.h>
 572 int main()
 573 {
 574     pthread_setname_np(\"testname\");
 575     return 0;
 576 }"
 577                 PTHREAD_SETNAME_NP_ONE_PARAM
 578             )
 579         ENDIF()
 580         CHECK_SYMBOL_EXISTS(pthread_mutexattr_setkind_np pthread.h HAVE_PTHREAD_MUTEXATTR_SETKIND_NP)
 581     ENDIF()
 582
 583     CHECK_SYMBOL_EXISTS(pthread_mutex_timedlock pthread.h HAVE_PTHREAD_MUTEX_TIMEDLOCK)
 584
 585     CHECK_LIBRARY_EXISTS(rt clock_gettime "" HAVE_LIBRT)
 586     IF(HAVE_LIBRT)
 587         SET(EXTRA_LIBS rt ${EXTRA_LIBS})
 588     ENDIF()
 589 ENDIF()
 590
 591 # Check for a 64-bit type
 592 CHECK_INCLUDE_FILE(stdint.h HAVE_STDINT_H)
 593 IF(NOT HAVE_STDINT_H)
 594     IF(HAVE_WINDOWS_H)
 595         CHECK_C_SOURCE_COMPILES("#define _WIN32_WINNT 0x0502
 596                                  #include <windows.h>
 597                                  __int64 foo;
 598                                  int main() {return 0;}" HAVE___INT64)
 599     ENDIF()
 600     IF(NOT HAVE___INT64)
 601         IF(NOT SIZEOF_LONG MATCHES "8")
 602             IF(NOT SIZEOF_LONG_LONG MATCHES "8")
 603                 MESSAGE(FATAL_ERROR "No 64-bit types found, please report!")
 604             ENDIF()
 605         ENDIF()
 606     ENDIF()
 607 ENDIF()
 608
 609
 610 SET(COMMON_OBJS  common/almalloc.c
 611                  common/atomic.c
 612                  common/rwlock.c
 613                  common/threads.c
 614                  common/uintmap.c
 615 )
 616 SET(OPENAL_OBJS  OpenAL32/alAuxEffectSlot.c
 617                  OpenAL32/alBuffer.c
 618                  OpenAL32/alEffect.c
 619                  OpenAL32/alError.c
 620                  OpenAL32/alExtension.c
 621                  OpenAL32/alFilter.c
 622                  OpenAL32/alListener.c
 623                  OpenAL32/alSource.c
 624                  OpenAL32/alState.c
 625                  OpenAL32/alThunk.c
 626                  OpenAL32/sample_cvt.c
 627 )
 628 SET(ALC_OBJS  Alc/ALc.c
 629               Alc/ALu.c
 630               Alc/alcConfig.c
 631               Alc/alcRing.c
 632               Alc/bs2b.c
 633               Alc/effects/autowah.c
 634               Alc/effects/chorus.c
 635               Alc/effects/compressor.c
 636               Alc/effects/dedicated.c
 637               Alc/effects/distortion.c
 638               Alc/effects/echo.c
 639               Alc/effects/equalizer.c
 640               Alc/effects/flanger.c
 641               Alc/effects/modulator.c
 642               Alc/effects/null.c
 643               Alc/effects/reverb.c
 644               Alc/helpers.c
 645               Alc/bsinc.c
 646               Alc/hrtf.c
 647               Alc/uhjfilter.c
 648               Alc/ambdec.c
 649               Alc/bformatdec.c
 650               Alc/panning.c
 651               Alc/mixer.c
 652               Alc/mixer_c.c
 653 )
 654
 655
 656 SET(CPU_EXTS "Default")
 657 SET(HAVE_SSE        0)
 658 SET(HAVE_SSE2       0)
 659 SET(HAVE_SSE3       0)
 660 SET(HAVE_SSE4_1     0)
 661 SET(HAVE_NEON       0)
 662
 663 SET(HAVE_ALSA       0)
 664 SET(HAVE_OSS        0)
 665 SET(HAVE_SOLARIS    0)
 666 SET(HAVE_SNDIO      0)
 667 SET(HAVE_QSA        0)
 668 SET(HAVE_DSOUND     0)
 669 SET(HAVE_MMDEVAPI   0)
 670 SET(HAVE_WINMM      0)
 671 SET(HAVE_PORTAUDIO  0)
 672 SET(HAVE_PULSEAUDIO 0)
 673 SET(HAVE_COREAUDIO  0)
 674 SET(HAVE_OPENSL     0)
 675 SET(HAVE_WAVE       0)
 676
 677 # Check for SSE support
 678 OPTION(ALSOFT_REQUIRE_SSE "Require SSE support" OFF)
 679 CHECK_INCLUDE_FILE(xmmintrin.h HAVE_XMMINTRIN_H "${SSE_SWITCH}")
 680 IF(HAVE_XMMINTRIN_H)
 681     OPTION(ALSOFT_CPUEXT_SSE "Enable SSE support" ON)
 682     IF(ALSOFT_CPUEXT_SSE)
 683         IF(ALIGN_DECL OR HAVE_C11_ALIGNAS)
 684             SET(HAVE_SSE 1)
 685             SET(ALC_OBJS  ${ALC_OBJS} Alc/mixer_sse.c)
 686             IF(SSE_SWITCH)
 687                 SET_SOURCE_FILES_PROPERTIES(Alc/mixer_sse.c PROPERTIES
 688                                             COMPILE_FLAGS "${SSE_SWITCH}")
 689             ENDIF()
 690             SET(CPU_EXTS "${CPU_EXTS}, SSE")
 691         ENDIF()
 692     ENDIF()
 693 ENDIF()
 694 IF(ALSOFT_REQUIRE_SSE AND NOT HAVE_SSE)
 695     MESSAGE(FATAL_ERROR "Failed to enabled required SSE CPU extensions")
 696 ENDIF()
 697
 698 OPTION(ALSOFT_REQUIRE_SSE2 "Require SSE2 support" OFF)
 699 CHECK_INCLUDE_FILE(emmintrin.h HAVE_EMMINTRIN_H "${SSE2_SWITCH}")
 700 IF(HAVE_EMMINTRIN_H)
 701     OPTION(ALSOFT_CPUEXT_SSE2 "Enable SSE2 support" ON)
 702     IF(HAVE_SSE AND ALSOFT_CPUEXT_SSE2)
 703         IF(ALIGN_DECL OR HAVE_C11_ALIGNAS)
 704             SET(HAVE_SSE2 1)
 705             SET(ALC_OBJS  ${ALC_OBJS} Alc/mixer_sse2.c)
 706             IF(SSE2_SWITCH)
 707                 SET_SOURCE_FILES_PROPERTIES(Alc/mixer_sse2.c PROPERTIES
 708                                             COMPILE_FLAGS "${SSE2_SWITCH}")
 709             ENDIF()
 710             SET(CPU_EXTS "${CPU_EXTS}, SSE2")
 711         ENDIF()
 712     ENDIF()
 713 ENDIF()
 714 IF(ALSOFT_REQUIRE_SSE2 AND NOT HAVE_SSE2)
 715     MESSAGE(FATAL_ERROR "Failed to enable required SSE2 CPU extensions")
 716 ENDIF()
 717
 718 OPTION(ALSOFT_REQUIRE_SSE2 "Require SSE3 support" OFF)
 719 CHECK_INCLUDE_FILE(pmmintrin.h HAVE_PMMINTRIN_H "${SSE3_SWITCH}")
 720 IF(HAVE_EMMINTRIN_H)
 721     OPTION(ALSOFT_CPUEXT_SSE3 "Enable SSE3 support" ON)
 722     IF(HAVE_SSE2 AND ALSOFT_CPUEXT_SSE3)
 723         IF(ALIGN_DECL OR HAVE_C11_ALIGNAS)
 724             SET(HAVE_SSE3 1)
 725             SET(ALC_OBJS  ${ALC_OBJS} Alc/mixer_sse3.c)
 726             IF(SSE2_SWITCH)
 727                 SET_SOURCE_FILES_PROPERTIES(Alc/mixer_sse3.c PROPERTIES
 728                                             COMPILE_FLAGS "${SSE3_SWITCH}")
 729             ENDIF()
 730             SET(CPU_EXTS "${CPU_EXTS}, SSE3")
 731         ENDIF()
 732     ENDIF()
 733 ENDIF()
 734 IF(ALSOFT_REQUIRE_SSE3 AND NOT HAVE_SSE3)
 735     MESSAGE(FATAL_ERROR "Failed to enable required SSE3 CPU extensions")
 736 ENDIF()
 737
 738 OPTION(ALSOFT_REQUIRE_SSE4_1 "Require SSE4.1 support" OFF)
 739 CHECK_INCLUDE_FILE(smmintrin.h HAVE_SMMINTRIN_H "${SSE4_1_SWITCH}")
 740 IF(HAVE_SMMINTRIN_H)
 741     OPTION(ALSOFT_CPUEXT_SSE4_1 "Enable SSE4.1 support" ON)
 742     IF(HAVE_SSE2 AND ALSOFT_CPUEXT_SSE4_1)
 743         IF(ALIGN_DECL OR HAVE_C11_ALIGNAS)
 744             SET(HAVE_SSE4_1 1)
 745             SET(ALC_OBJS  ${ALC_OBJS} Alc/mixer_sse41.c)
 746             IF(SSE4_1_SWITCH)
 747                 SET_SOURCE_FILES_PROPERTIES(Alc/mixer_sse41.c PROPERTIES
 748                                             COMPILE_FLAGS "${SSE4_1_SWITCH}")
 749             ENDIF()
 750             SET(CPU_EXTS "${CPU_EXTS}, SSE4.1")
 751         ENDIF()
 752     ENDIF()
 753 ENDIF()
 754 IF(ALSOFT_REQUIRE_SSE4_1 AND NOT HAVE_SSE4_1)
 755     MESSAGE(FATAL_ERROR "Failed to enable required SSE4.1 CPU extensions")
 756 ENDIF()
 757
 758 # Check for ARM Neon support
 759 OPTION(ALSOFT_REQUIRE_NEON "Require ARM Neon support" OFF)
 760 CHECK_INCLUDE_FILE(arm_neon.h HAVE_ARM_NEON_H)
 761 IF(HAVE_ARM_NEON_H)
 762     OPTION(ALSOFT_CPUEXT_NEON "Enable ARM Neon support" ON)
 763     IF(ALSOFT_CPUEXT_NEON)
 764         SET(HAVE_NEON 1)
 765         SET(ALC_OBJS  ${ALC_OBJS} Alc/mixer_neon.c)
 766         SET(CPU_EXTS "${CPU_EXTS}, Neon")
 767     ENDIF()
 768 ENDIF()
 769 IF(ALSOFT_REQUIRE_NEON AND NOT HAVE_NEON)
 770     MESSAGE(FATAL_ERROR "Failed to enabled required ARM Neon CPU extensions")
 771 ENDIF()
 772
 773
 774 IF(WIN32 OR HAVE_DLFCN_H)
 775     SET(IS_LINKED "")
 776     MACRO(ADD_BACKEND_LIBS _LIBS)
 777     ENDMACRO()
 778 ELSE()
 779     SET(IS_LINKED " (linked)")
 780     MACRO(ADD_BACKEND_LIBS _LIBS)
 781         SET(EXTRA_LIBS ${_LIBS} ${EXTRA_LIBS})
 782     ENDMACRO()
 783 ENDIF()
 784
 785 SET(BACKENDS "")
 786 SET(ALC_OBJS  ${ALC_OBJS}
 787               Alc/backends/base.c
 788               # Default backends, always available
 789               Alc/backends/loopback.c
 790               Alc/backends/null.c
 791 )
 792
 793 # Check ALSA backend
 794 OPTION(ALSOFT_REQUIRE_ALSA "Require ALSA backend" OFF)
 795 FIND_PACKAGE(ALSA)
 796 IF(ALSA_FOUND)
 797     OPTION(ALSOFT_BACKEND_ALSA "Enable ALSA backend" ON)
 798     IF(ALSOFT_BACKEND_ALSA)
 799         SET(HAVE_ALSA 1)
 800         SET(BACKENDS  "${BACKENDS} ALSA${IS_LINKED},")
 801         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/alsa.c)
 802         ADD_BACKEND_LIBS(${ALSA_LIBRARIES})
 803         IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 804             INCLUDE_DIRECTORIES(${ALSA_INCLUDE_DIRS})
 805         ENDIF()
 806     ENDIF()
 807 ENDIF()
 808 IF(ALSOFT_REQUIRE_ALSA AND NOT HAVE_ALSA)
 809     MESSAGE(FATAL_ERROR "Failed to enabled required ALSA backend")
 810 ENDIF()
 811
 812 # Check OSS backend
 813 OPTION(ALSOFT_REQUIRE_OSS "Require OSS backend" OFF)
 814 FIND_PACKAGE(OSS)
 815 IF(OSS_FOUND)
 816     OPTION(ALSOFT_BACKEND_OSS "Enable OSS backend" ON)
 817     IF(ALSOFT_BACKEND_OSS)
 818         SET(HAVE_OSS 1)
 819         SET(BACKENDS  "${BACKENDS} OSS,")
 820         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/oss.c)
 821         IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 822             INCLUDE_DIRECTORIES(${OSS_INCLUDE_DIRS})
 823         ENDIF()
 824     ENDIF()
 825 ENDIF()
 826 IF(ALSOFT_REQUIRE_OSS AND NOT HAVE_OSS)
 827     MESSAGE(FATAL_ERROR "Failed to enabled required OSS backend")
 828 ENDIF()
 829
 830 # Check Solaris backend
 831 OPTION(ALSOFT_REQUIRE_SOLARIS "Require Solaris backend" OFF)
 832 FIND_PACKAGE(AudioIO)
 833 IF(AUDIOIO_FOUND)
 834     OPTION(ALSOFT_BACKEND_SOLARIS "Enable Solaris backend" ON)
 835     IF(ALSOFT_BACKEND_SOLARIS)
 836         SET(HAVE_SOLARIS 1)
 837         SET(BACKENDS  "${BACKENDS} Solaris,")
 838         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/solaris.c)
 839         IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 840             INCLUDE_DIRECTORIES(${AUDIOIO_INCLUDE_DIRS})
 841         ENDIF()
 842     ENDIF()
 843 ENDIF()
 844 IF(ALSOFT_REQUIRE_SOLARIS AND NOT HAVE_SOLARIS)
 845     MESSAGE(FATAL_ERROR "Failed to enabled required Solaris backend")
 846 ENDIF()
 847
 848 # Check SndIO backend
 849 OPTION(ALSOFT_REQUIRE_SNDIO "Require SndIO backend" OFF)
 850 FIND_PACKAGE(SoundIO)
 851 IF(SOUNDIO_FOUND)
 852     OPTION(ALSOFT_BACKEND_SNDIO "Enable SndIO backend" ON)
 853     IF(ALSOFT_BACKEND_SNDIO)
 854         SET(HAVE_SNDIO 1)
 855         SET(BACKENDS  "${BACKENDS} SndIO (linked),")
 856         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/sndio.c)
 857         SET(EXTRA_LIBS ${SOUNDIO_LIBRARIES} ${EXTRA_LIBS})
 858         IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 859             INCLUDE_DIRECTORIES(${SOUNDIO_INCLUDE_DIRS})
 860         ENDIF()
 861     ENDIF()
 862 ENDIF()
 863 IF(ALSOFT_REQUIRE_SNDIO AND NOT HAVE_SNDIO)
 864     MESSAGE(FATAL_ERROR "Failed to enabled required SndIO backend")
 865 ENDIF()
 866
 867 # Check QSA backend
 868 OPTION(ALSOFT_REQUIRE_QSA "Require QSA backend" OFF)
 869 FIND_PACKAGE(QSA)
 870 IF(QSA_FOUND)
 871     OPTION(ALSOFT_BACKEND_QSA "Enable QSA backend" ON)
 872     IF(ALSOFT_BACKEND_QSA)
 873         SET(HAVE_QSA 1)
 874         SET(BACKENDS  "${BACKENDS} QSA (linked),")
 875         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/qsa.c)
 876         SET(EXTRA_LIBS ${QSA_LIBRARIES} ${EXTRA_LIBS})
 877         IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 878             INCLUDE_DIRECTORIES(${QSA_INCLUDE_DIRS})
 879         ENDIF()
 880     ENDIF()
 881 ENDIF()
 882 IF(ALSOFT_REQUIRE_QSA AND NOT HAVE_QSA)
 883     MESSAGE(FATAL_ERROR "Failed to enabled required QSA backend")
 884 ENDIF()
 885
 886 # Check Windows-only backends
 887 OPTION(ALSOFT_REQUIRE_WINMM "Require Windows Multimedia backend" OFF)
 888 OPTION(ALSOFT_REQUIRE_DSOUND "Require DirectSound backend" OFF)
 889 OPTION(ALSOFT_REQUIRE_MMDEVAPI "Require MMDevApi backend" OFF)
 890 IF(HAVE_WINDOWS_H)
 891     # Check MMSystem backend
 892     CHECK_INCLUDE_FILES("windows.h;mmsystem.h" HAVE_MMSYSTEM_H -D_WIN32_WINNT=0x0502)
 893     IF(HAVE_MMSYSTEM_H)
 894         CHECK_SHARED_FUNCTION_EXISTS(waveOutOpen "windows.h;mmsystem.h" winmm "" HAVE_LIBWINMM)
 895         IF(HAVE_LIBWINMM)
 896             OPTION(ALSOFT_BACKEND_WINMM "Enable Windows Multimedia backend" ON)
 897             IF(ALSOFT_BACKEND_WINMM)
 898                 SET(HAVE_WINMM 1)
 899                 SET(BACKENDS  "${BACKENDS} WinMM,")
 900                 SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/winmm.c)
 901                 SET(EXTRA_LIBS winmm ${EXTRA_LIBS})
 902             ENDIF()
 903         ENDIF()
 904     ENDIF()
 905
 906     # Check DSound backend
 907     FIND_PACKAGE(DSound)
 908     IF(DSOUND_FOUND)
 909         OPTION(ALSOFT_BACKEND_DSOUND "Enable DirectSound backend" ON)
 910         IF(ALSOFT_BACKEND_DSOUND)
 911             SET(HAVE_DSOUND 1)
 912             SET(BACKENDS  "${BACKENDS} DirectSound${IS_LINKED},")
 913             SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/dsound.c)
 914             ADD_BACKEND_LIBS(${DSOUND_LIBRARIES})
 915             IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 916                 INCLUDE_DIRECTORIES(${DSOUND_INCLUDE_DIRS})
 917             ENDIF()
 918         ENDIF()
 919     ENDIF()
 920
 921     # Check for MMDevApi backend
 922     CHECK_INCLUDE_FILE(mmdeviceapi.h HAVE_MMDEVICEAPI_H)
 923     IF(HAVE_MMDEVICEAPI_H)
 924         OPTION(ALSOFT_BACKEND_MMDEVAPI "Enable MMDevApi backend" ON)
 925         IF(ALSOFT_BACKEND_MMDEVAPI)
 926             SET(HAVE_MMDEVAPI 1)
 927             SET(BACKENDS  "${BACKENDS} MMDevApi,")
 928             SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/mmdevapi.c)
 929         ENDIF()
 930     ENDIF()
 931 ENDIF()
 932 IF(ALSOFT_REQUIRE_WINMM AND NOT HAVE_WINMM)
 933     MESSAGE(FATAL_ERROR "Failed to enabled required WinMM backend")
 934 ENDIF()
 935 IF(ALSOFT_REQUIRE_DSOUND AND NOT HAVE_DSOUND)
 936     MESSAGE(FATAL_ERROR "Failed to enabled required DSound backend")
 937 ENDIF()
 938 IF(ALSOFT_REQUIRE_MMDEVAPI AND NOT HAVE_MMDEVAPI)
 939     MESSAGE(FATAL_ERROR "Failed to enabled required MMDevApi backend")
 940 ENDIF()
 941
 942 # Check PortAudio backend
 943 OPTION(ALSOFT_REQUIRE_PORTAUDIO "Require PortAudio backend" OFF)
 944 FIND_PACKAGE(PortAudio)
 945 IF(PORTAUDIO_FOUND)
 946     OPTION(ALSOFT_BACKEND_PORTAUDIO "Enable PortAudio backend" ON)
 947     IF(ALSOFT_BACKEND_PORTAUDIO)
 948         SET(HAVE_PORTAUDIO 1)
 949         SET(BACKENDS  "${BACKENDS} PortAudio${IS_LINKED},")
 950         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/portaudio.c)
 951         ADD_BACKEND_LIBS(${PORTAUDIO_LIBRARIES})
 952         IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 953             INCLUDE_DIRECTORIES(${PORTAUDIO_INCLUDE_DIRS})
 954         ENDIF()
 955     ENDIF()
 956 ENDIF()
 957 IF(ALSOFT_REQUIRE_PORTAUDIO AND NOT HAVE_PORTAUDIO)
 958     MESSAGE(FATAL_ERROR "Failed to enabled required PortAudio backend")
 959 ENDIF()
 960
 961 # Check PulseAudio backend
 962 OPTION(ALSOFT_REQUIRE_PULSEAUDIO "Require PulseAudio backend" OFF)
 963 FIND_PACKAGE(PulseAudio)
 964 IF(PULSEAUDIO_FOUND)
 965     OPTION(ALSOFT_BACKEND_PULSEAUDIO "Enable PulseAudio backend" ON)
 966     IF(ALSOFT_BACKEND_PULSEAUDIO)
 967         SET(HAVE_PULSEAUDIO 1)
 968         SET(BACKENDS  "${BACKENDS} PulseAudio${IS_LINKED},")
 969         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/pulseaudio.c)
 970         ADD_BACKEND_LIBS(${PULSEAUDIO_LIBRARIES})
 971         IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 972             INCLUDE_DIRECTORIES(${PULSEAUDIO_INCLUDE_DIRS})
 973         ENDIF()
 974     ENDIF()
 975 ENDIF()
 976 IF(ALSOFT_REQUIRE_PULSEAUDIO AND NOT HAVE_PULSEAUDIO)
 977     MESSAGE(FATAL_ERROR "Failed to enabled required PulseAudio backend")
 978 ENDIF()
 979
 980 # Check JACK backend
 981 OPTION(ALSOFT_REQUIRE_JACK "Require JACK backend" OFF)
 982 FIND_PACKAGE(JACK)
 983 IF(JACK_FOUND)
 984     OPTION(ALSOFT_BACKEND_JACK "Enable JACK backend" ON)
 985     IF(ALSOFT_BACKEND_JACK)
 986         SET(HAVE_JACK 1)
 987         SET(BACKENDS  "${BACKENDS} JACK${IS_LINKED},")
 988         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/jack.c)
 989         ADD_BACKEND_LIBS(${JACK_LIBRARIES})
 990         IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 991             INCLUDE_DIRECTORIES(${JACK_INCLUDE_DIRS})
 992         ENDIF()
 993     ENDIF()
 994 ENDIF()
 995 IF(ALSOFT_REQUIRE_JACK AND NOT HAVE_JACK)
 996     MESSAGE(FATAL_ERROR "Failed to enabled required JACK backend")
 997 ENDIF()
 998
 999 # Check CoreAudio backend
1000 OPTION(ALSOFT_REQUIRE_COREAUDIO "Require CoreAudio backend" OFF)
1001 FIND_LIBRARY(COREAUDIO_FRAMEWORK
1002              NAMES CoreAudio
1003              PATHS /System/Library/Frameworks
1004 )
1005 IF(COREAUDIO_FRAMEWORK)
1006     OPTION(ALSOFT_BACKEND_COREAUDIO "Enable CoreAudio backend" ON)
1007     IF(ALSOFT_BACKEND_COREAUDIO)
1008         SET(HAVE_COREAUDIO 1)
1009         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/coreaudio.c)
1010         SET(BACKENDS  "${BACKENDS} CoreAudio,")
1011         SET(EXTRA_LIBS ${COREAUDIO_FRAMEWORK} ${EXTRA_LIBS})
1012         SET(EXTRA_LIBS /System/Library/Frameworks/AudioUnit.framework ${EXTRA_LIBS})
1013         SET(EXTRA_LIBS /System/Library/Frameworks/ApplicationServices.framework ${EXTRA_LIBS})
1014
1015         # Some versions of OSX may need the AudioToolbox framework. Add it if
1016         # it's found.
1017         FIND_LIBRARY(AUDIOTOOLBOX_LIBRARY
1018                      NAMES AudioToolbox
1019                      PATHS ~/Library/Frameworks
1020                            /Library/Frameworks
1021                            /System/Library/Frameworks
1022                     )
1023         IF(AUDIOTOOLBOX_LIBRARY)
1024             SET(EXTRA_LIBS ${AUDIOTOOLBOX_LIBRARY} ${EXTRA_LIBS})
1025         ENDIF()
1026     ENDIF()
1027 ENDIF()
1028 IF(ALSOFT_REQUIRE_COREAUDIO AND NOT HAVE_COREAUDIO)
1029     MESSAGE(FATAL_ERROR "Failed to enabled required CoreAudio backend")
1030 ENDIF()
1031
1032 # Check for OpenSL (Android) backend
1033 OPTION(ALSOFT_REQUIRE_OPENSL "Require OpenSL backend" OFF)
1034 CHECK_INCLUDE_FILES("SLES/OpenSLES.h;SLES/OpenSLES_Android.h" HAVE_SLES_OPENSLES_ANDROID_H)
1035 IF(HAVE_SLES_OPENSLES_ANDROID_H)
1036     CHECK_SHARED_FUNCTION_EXISTS(slCreateEngine "SLES/OpenSLES.h" OpenSLES "" HAVE_LIBOPENSLES)
1037     IF(HAVE_LIBOPENSLES)
1038         OPTION(ALSOFT_BACKEND_OPENSL "Enable OpenSL backend" ON)
1039         IF(ALSOFT_BACKEND_OPENSL)
1040             SET(HAVE_OPENSL 1)
1041             SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/opensl.c)
1042             SET(BACKENDS  "${BACKENDS} OpenSL,")
1043             SET(EXTRA_LIBS OpenSLES ${EXTRA_LIBS})
1044         ENDIF()
1045     ENDIF()
1046 ENDIF()
1047 IF(ALSOFT_REQUIRE_OPENSL AND NOT HAVE_OPENSL)
1048     MESSAGE(FATAL_ERROR "Failed to enabled required OpenSL backend")
1049 ENDIF()
1050
1051 # Optionally enable the Wave Writer backend
1052 OPTION(ALSOFT_BACKEND_WAVE "Enable Wave Writer backend" ON)
1053 IF(ALSOFT_BACKEND_WAVE)
1054     SET(HAVE_WAVE 1)
1055     SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/wave.c)
1056     SET(BACKENDS  "${BACKENDS} WaveFile,")
1057 ENDIF()
1058
1059 # This is always available
1060 SET(BACKENDS  "${BACKENDS} Null")
1061
1062 IF(ALSOFT_UTILS AND NOT ALSOFT_NO_CONFIG_UTIL)
1063     add_subdirectory(utils/alsoft-config)
1064 ENDIF()
1065 IF(ALSOFT_EXAMPLES)
1066     FIND_PACKAGE(SDL2)
1067     IF(SDL2_FOUND)
1068         FIND_PACKAGE(SDL_sound)
1069         IF(SDL_SOUND_FOUND AND CMAKE_VERSION VERSION_LESS "2.8.8")
1070             INCLUDE_DIRECTORIES(${SDL2_INCLUDE_DIR} ${SDL_SOUND_INCLUDE_DIR})
1071         ENDIF()
1072         FIND_PACKAGE(FFmpeg COMPONENTS AVFORMAT AVCODEC AVUTIL SWSCALE SWRESAMPLE)
1073         IF(FFMPEG_FOUND AND CMAKE_VERSION VERSION_LESS "2.8.8")
1074             INCLUDE_DIRECTORIES(${FFMPEG_INCLUDE_DIRS})
1075         ENDIF()
1076     ENDIF()
1077 ENDIF()
1078
1079 IF(LIBTYPE STREQUAL "STATIC")
1080     ADD_DEFINITIONS(-DAL_LIBTYPE_STATIC)
1081     SET(PKG_CONFIG_CFLAGS -DAL_LIBTYPE_STATIC ${PKG_CONFIG_CFLAGS})
1082 ENDIF()
1083
1084 # Needed for openal.pc.in
1085 SET(prefix ${CMAKE_INSTALL_PREFIX})
1086 SET(exec_prefix "\${prefix}")
1087 SET(libdir "\${exec_prefix}/lib${LIB_SUFFIX}")
1088 SET(bindir "\${exec_prefix}/bin")
1089 SET(includedir "\${prefix}/include")
1090 SET(PACKAGE_VERSION "${LIB_VERSION}")
1091
1092 # End configuration
1093 CONFIGURE_FILE(
1094     "${OpenAL_SOURCE_DIR}/config.h.in"
1095     "${OpenAL_BINARY_DIR}/config.h")
1096 CONFIGURE_FILE(
1097     "${OpenAL_SOURCE_DIR}/openal.pc.in"
1098     "${OpenAL_BINARY_DIR}/openal.pc"
1099     @ONLY)
1100
1101 # Build a common library with reusable helpers
1102 ADD_LIBRARY(common STATIC ${COMMON_OBJS})
1103 IF(NOT LIBTYPE STREQUAL "STATIC")
1104     SET_PROPERTY(TARGET common PROPERTY POSITION_INDEPENDENT_CODE TRUE)
1105 ENDIF()
1106
1107 # Build main library
1108 IF(LIBTYPE STREQUAL "STATIC")
1109     ADD_LIBRARY(${LIBNAME} STATIC ${COMMON_OBJS} ${OPENAL_OBJS} ${ALC_OBJS})
1110 ELSE()
1111     ADD_LIBRARY(${LIBNAME} SHARED ${OPENAL_OBJS} ${ALC_OBJS})
1112 ENDIF()
1113 SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY COMPILE_DEFINITIONS AL_BUILD_LIBRARY AL_ALEXT_PROTOTYPES)
1114 IF(WIN32 AND ALSOFT_NO_UID_DEFS)
1115     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY COMPILE_DEFINITIONS AL_NO_UID_DEFS)
1116 ENDIF()
1117 SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES "${OpenAL_SOURCE_DIR}/OpenAL32/Include" "${OpenAL_SOURCE_DIR}/Alc")
1118 IF(HAVE_ALSA)
1119     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES ${ALSA_INCLUDE_DIRS})
1120 ENDIF()
1121 IF(HAVE_OSS)
1122     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES ${OSS_INCLUDE_DIRS})
1123 ENDIF()
1124 IF(HAVE_SOLARIS)
1125     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES ${AUDIOIO_INCLUDE_DIRS})
1126 ENDIF()
1127 IF(HAVE_SNDIO)
1128     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES ${SOUNDIO_INCLUDE_DIRS})
1129 ENDIF()
1130 IF(HAVE_QSA)
1131     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES ${QSA_INCLUDE_DIRS})
1132 ENDIF()
1133 IF(HAVE_DSOUND)
1134     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES ${DSOUND_INCLUDE_DIRS})
1135 ENDIF()
1136 IF(HAVE_PORTAUDIO)
1137     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES ${PORTAUDIO_INCLUDE_DIRS})
1138 ENDIF()
1139 IF(HAVE_PULSEAUDIO)
1140     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES ${PULSEAUDIO_INCLUDE_DIRS})
1141 ENDIF()
1142 IF(HAVE_JACK)
1143     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES ${JACK_INCLUDE_DIRS})
1144 ENDIF()
1145 SET_TARGET_PROPERTIES(${LIBNAME} PROPERTIES VERSION ${LIB_VERSION}
1146                                             SOVERSION ${LIB_MAJOR_VERSION})
1147 IF(WIN32 AND NOT LIBTYPE STREQUAL "STATIC")
1148     SET_TARGET_PROPERTIES(${LIBNAME} PROPERTIES PREFIX "")
1149
1150     IF(MINGW AND ALSOFT_BUILD_IMPORT_LIB)
1151         FIND_PROGRAM(SED_EXECUTABLE NAMES sed DOC "sed executable")
1152         FIND_PROGRAM(DLLTOOL_EXECUTABLE NAMES "${DLLTOOL}" DOC "dlltool executable")
1153         IF(NOT SED_EXECUTABLE OR NOT DLLTOOL_EXECUTABLE)
1154             MESSAGE(STATUS "")
1155             IF(NOT SED_EXECUTABLE)
1156                 MESSAGE(STATUS "WARNING: Cannot find sed, disabling .def/.lib generation")
1157             ENDIF()
1158             IF(NOT DLLTOOL_EXECUTABLE)
1159                 MESSAGE(STATUS "WARNING: Cannot find dlltool, disabling .def/.lib generation")
1160             ENDIF()
1161         ELSE()
1162             SET_TARGET_PROPERTIES(${LIBNAME} PROPERTIES LINK_FLAGS "-Wl,--output-def,${LIBNAME}.def")
1163             ADD_CUSTOM_COMMAND(TARGET ${LIBNAME} POST_BUILD
1164                 COMMAND "${SED_EXECUTABLE}" -i -e "s/ @[^ ]*//" ${LIBNAME}.def
1165                 COMMAND "${DLLTOOL_EXECUTABLE}" -d ${LIBNAME}.def -l ${LIBNAME}.lib -D ${LIBNAME}.dll
1166                 COMMENT "Stripping ordinals from ${LIBNAME}.def and generating ${LIBNAME}.lib..."
1167                 VERBATIM
1168             )
1169         ENDIF()
1170     ENDIF()
1171 ENDIF()
1172
1173 TARGET_LINK_LIBRARIES(${LIBNAME} common ${EXTRA_LIBS})
1174
1175 IF(ALSOFT_INSTALL)
1176     # Add an install target here
1177     INSTALL(TARGETS ${LIBNAME}
1178             RUNTIME DESTINATION bin
1179             LIBRARY DESTINATION "lib${LIB_SUFFIX}"
1180             ARCHIVE DESTINATION "lib${LIB_SUFFIX}"
1181     )
1182     INSTALL(FILES include/AL/al.h
1183                   include/AL/alc.h
1184                   include/AL/alext.h
1185                   include/AL/efx.h
1186                   include/AL/efx-creative.h
1187                   include/AL/efx-presets.h
1188             DESTINATION include/AL
1189     )
1190     INSTALL(FILES "${OpenAL_BINARY_DIR}/openal.pc"
1191             DESTINATION "lib${LIB_SUFFIX}/pkgconfig")
1192 ENDIF()
1193
1194
1195 MESSAGE(STATUS "")
1196 MESSAGE(STATUS "Building OpenAL with support for the following backends:")
1197 MESSAGE(STATUS "    ${BACKENDS}")
1198 MESSAGE(STATUS "")
1199 MESSAGE(STATUS "Building with support for CPU extensions:")
1200 MESSAGE(STATUS "    ${CPU_EXTS}")
1201 MESSAGE(STATUS "")
1202
1203 IF(WIN32)
1204     IF(NOT HAVE_DSOUND)
1205         MESSAGE(STATUS "WARNING: Building the Windows version without DirectSound output")
1206         MESSAGE(STATUS "         This is probably NOT what you want!")
1207         MESSAGE(STATUS "")
1208     ENDIF()
1209 ENDIF()
1210
1211 # Install alsoft.conf configuration file
1212 IF(ALSOFT_CONFIG)
1213     INSTALL(FILES alsoftrc.sample
1214             DESTINATION ${SHARE_INSTALL_DIR}/openal
1215     )
1216     MESSAGE(STATUS "Installing sample configuration")
1217     MESSAGE(STATUS "")
1218 ENDIF()
1219
1220 # Install HRTF definitions
1221 IF(ALSOFT_HRTF_DEFS)
1222     INSTALL(FILES hrtf/default-44100.mhr
1223                   hrtf/default-48000.mhr
1224             DESTINATION ${SHARE_INSTALL_DIR}/openal/hrtf
1225     )
1226     MESSAGE(STATUS "Installing HRTF definitions")
1227     MESSAGE(STATUS "")
1228 ENDIF()
1229
1230 IF(ALSOFT_UTILS)
1231     ADD_EXECUTABLE(openal-info utils/openal-info.c)
1232     TARGET_LINK_LIBRARIES(openal-info ${LIBNAME})
1233
1234     ADD_EXECUTABLE(makehrtf utils/makehrtf.c)
1235     IF(HAVE_LIBM)
1236         TARGET_LINK_LIBRARIES(makehrtf m)
1237     ENDIF()
1238
1239     ADD_EXECUTABLE(bsincgen utils/bsincgen.c)
1240     IF(HAVE_LIBM)
1241         TARGET_LINK_LIBRARIES(bsincgen m)
1242     ENDIF()
1243
1244     IF(ALSOFT_INSTALL)
1245         INSTALL(TARGETS openal-info makehrtf bsincgen
1246                 RUNTIME DESTINATION bin
1247                 LIBRARY DESTINATION "lib${LIB_SUFFIX}"
1248                 ARCHIVE DESTINATION "lib${LIB_SUFFIX}"
1249         )
1250     ENDIF()
1251
1252     MESSAGE(STATUS "Building utility programs")
1253     IF(TARGET alsoft-config)
1254         MESSAGE(STATUS "Building configuration program")
1255     ENDIF()
1256     MESSAGE(STATUS "")
1257 ENDIF()
1258
1259 IF(ALSOFT_TESTS)
1260         ADD_LIBRARY(test-common STATIC examples/common/alhelpers.c)
1261
1262         ADD_EXECUTABLE(altonegen examples/altonegen.c)
1263         TARGET_LINK_LIBRARIES(altonegen test-common ${LIBNAME})
1264
1265         IF(ALSOFT_INSTALL)
1266             INSTALL(TARGETS altonegen
1267                     RUNTIME DESTINATION bin
1268                     LIBRARY DESTINATION "lib${LIB_SUFFIX}"
1269                     ARCHIVE DESTINATION "lib${LIB_SUFFIX}"
1270             )
1271         ENDIF()
1272
1273         MESSAGE(STATUS "Building test programs")
1274         MESSAGE(STATUS "")
1275 ENDIF()
1276
1277 IF(ALSOFT_EXAMPLES)
1278     IF(SDL2_FOUND AND SDL_SOUND_FOUND)
1279         ADD_LIBRARY(ex-common STATIC examples/common/alhelpers.c
1280                                      examples/common/sdl_sound.c)
1281         SET_PROPERTY(TARGET ex-common APPEND PROPERTY INCLUDE_DIRECTORIES ${SDL2_INCLUDE_DIR}
1282                                                                           ${SDL_SOUND_INCLUDE_DIR})
1283
1284         ADD_EXECUTABLE(alstream examples/alstream.c)
1285         TARGET_LINK_LIBRARIES(alstream ex-common ${SDL_SOUND_LIBRARIES} ${SDL2_LIBRARY}
1286                                        common ${LIBNAME})
1287         SET_PROPERTY(TARGET alstream APPEND PROPERTY INCLUDE_DIRECTORIES ${SDL2_INCLUDE_DIR}
1288                                                                          ${SDL_SOUND_INCLUDE_DIR})
1289
1290         ADD_EXECUTABLE(alreverb examples/alreverb.c)
1291         TARGET_LINK_LIBRARIES(alreverb ex-common ${SDL_SOUND_LIBRARIES} ${SDL2_LIBRARY}
1292                                        common ${LIBNAME})
1293         SET_PROPERTY(TARGET alreverb APPEND PROPERTY INCLUDE_DIRECTORIES ${SDL2_INCLUDE_DIR}
1294                                                                          ${SDL_SOUND_INCLUDE_DIR})
1295
1296         ADD_EXECUTABLE(allatency examples/allatency.c)
1297         TARGET_LINK_LIBRARIES(allatency ex-common ${SDL_SOUND_LIBRARIES} ${SDL2_LIBRARY}
1298                                         common ${LIBNAME})
1299         SET_PROPERTY(TARGET allatency APPEND PROPERTY INCLUDE_DIRECTORIES ${SDL2_INCLUDE_DIR}
1300                                                                           ${SDL_SOUND_INCLUDE_DIR})
1301
1302         ADD_EXECUTABLE(alloopback examples/alloopback.c)
1303         TARGET_LINK_LIBRARIES(alloopback ex-common ${SDL_SOUND_LIBRARIES} ${SDL2_LIBRARY}
1304                                          common ${LIBNAME})
1305         SET_PROPERTY(TARGET alloopback APPEND PROPERTY INCLUDE_DIRECTORIES ${SDL2_INCLUDE_DIR}
1306                                                                            ${SDL_SOUND_INCLUDE_DIR})
1307
1308         ADD_EXECUTABLE(alhrtf examples/alhrtf.c)
1309         TARGET_LINK_LIBRARIES(alhrtf ex-common ${SDL_SOUND_LIBRARIES} ${SDL2_LIBRARY}
1310                                      common ${LIBNAME})
1311         SET_PROPERTY(TARGET alhrtf APPEND PROPERTY INCLUDE_DIRECTORIES ${SDL2_INCLUDE_DIR}
1312                                                                        ${SDL_SOUND_INCLUDE_DIR})
1313
1314         IF(ALSOFT_INSTALL)
1315             INSTALL(TARGETS alstream alreverb allatency alloopback alhrtf
1316                     RUNTIME DESTINATION bin
1317                     LIBRARY DESTINATION "lib${LIB_SUFFIX}"
1318                     ARCHIVE DESTINATION "lib${LIB_SUFFIX}"
1319             )
1320         ENDIF()
1321
1322         SET(FFVER_OK FALSE)
1323         IF(FFMPEG_FOUND)
1324             SET(FFVER_OK TRUE)
1325             IF(AVFORMAT_VERSION VERSION_LESS "55.33.100")
1326                 MESSAGE(STATUS "libavformat is too old! (${AVFORMAT_VERSION}, wanted 55.33.100)")
1327                 SET(FFVER_OK FALSE)
1328             ENDIF()
1329             IF(AVCODEC_VERSION VERSION_LESS "55.52.102")
1330                 MESSAGE(STATUS "libavcodec is too old! (${AVCODEC_VERSION}, wanted 55.52.102)")
1331                 SET(FFVER_OK FALSE)
1332             ENDIF()
1333             IF(AVUTIL_VERSION VERSION_LESS "52.66.100")
1334                 MESSAGE(STATUS "libavutil is too old! (${AVUTIL_VERSION}, wanted 52.66.100)")
1335                 SET(FFVER_OK FALSE)
1336             ENDIF()
1337             IF(SWSCALE_VERSION VERSION_LESS "2.5.102")
1338                 MESSAGE(STATUS "libswscale is too old! (${SWSCALE_VERSION}, wanted 2.5.102)")
1339                 SET(FFVER_OK FALSE)
1340             ENDIF()
1341             IF(SWRESAMPLE_VERSION VERSION_LESS "0.18.100")
1342                 MESSAGE(STATUS "libswresample is too old! (${SWRESAMPLE_VERSION}, wanted 0.18.100)")
1343                 SET(FFVER_OK FALSE)
1344             ENDIF()
1345         ENDIF()
1346         IF(FFVER_OK AND NOT MSVC)
1347             ADD_EXECUTABLE(alffplay examples/alffplay.c)
1348             TARGET_LINK_LIBRARIES(alffplay common ex-common ${SDL2_LIBRARY} ${LIBNAME} ${FFMPEG_LIBRARIES})
1349             SET_PROPERTY(TARGET alffplay APPEND PROPERTY INCLUDE_DIRECTORIES ${SDL2_INCLUDE_DIR}
1350                                                                              ${FFMPEG_INCLUDE_DIRS})
1351
1352             IF(ALSOFT_INSTALL)
1353                 INSTALL(TARGETS alffplay
1354                         RUNTIME DESTINATION bin
1355                         LIBRARY DESTINATION "lib${LIB_SUFFIX}"
1356                         ARCHIVE DESTINATION "lib${LIB_SUFFIX}"
1357                 )
1358             ENDIF()
1359             MESSAGE(STATUS "Building SDL and FFmpeg example programs")
1360         ELSE()
1361             MESSAGE(STATUS "Building SDL example programs")
1362         ENDIF()
1363         MESSAGE(STATUS "")
1364     ENDIF()
1365 ENDIF()