CMakeLists.txt

   1 # CMake build file list for OpenAL
   2
   3 CMAKE_MINIMUM_REQUIRED(VERSION 3.0.2)
   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 CMP0020)
  11         CMAKE_POLICY(SET CMP0020 NEW)
  12     ENDIF(POLICY CMP0020)
  13     IF(POLICY CMP0042)
  14         CMAKE_POLICY(SET CMP0042 NEW)
  15     ENDIF(POLICY CMP0042)
  16     IF(POLICY CMP0054)
  17         CMAKE_POLICY(SET CMP0054 NEW)
  18     ENDIF(POLICY CMP0054)
  19 ENDIF(COMMAND CMAKE_POLICY)
  20
  21 SET(CMAKE_MODULE_PATH "${OpenAL_SOURCE_DIR}/cmake")
  22
  23 INCLUDE(CheckFunctionExists)
  24 INCLUDE(CheckLibraryExists)
  25 INCLUDE(CheckSharedFunctionExists)
  26 INCLUDE(CheckIncludeFile)
  27 INCLUDE(CheckIncludeFiles)
  28 INCLUDE(CheckSymbolExists)
  29 INCLUDE(CheckCCompilerFlag)
  30 INCLUDE(CheckCXXCompilerFlag)
  31 INCLUDE(CheckCSourceCompiles)
  32 INCLUDE(CheckTypeSize)
  33 include(CheckStructHasMember)
  34 include(CheckFileOffsetBits)
  35 include(GNUInstallDirs)
  36
  37 SET(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS TRUE)
  38
  39
  40 OPTION(ALSOFT_DLOPEN  "Check for the dlopen API for loading optional libs"  ON)
  41
  42 OPTION(ALSOFT_WERROR  "Treat compile warnings as errors"      OFF)
  43
  44 OPTION(ALSOFT_UTILS          "Build and install utility programs"         ON)
  45 OPTION(ALSOFT_NO_CONFIG_UTIL "Disable building the alsoft-config utility" OFF)
  46
  47 OPTION(ALSOFT_EXAMPLES  "Build and install example programs"  ON)
  48 OPTION(ALSOFT_TESTS     "Build and install test programs"     ON)
  49
  50 OPTION(ALSOFT_CONFIG "Install alsoft.conf sample configuration file" ON)
  51 OPTION(ALSOFT_HRTF_DEFS "Install HRTF definition files" ON)
  52 OPTION(ALSOFT_AMBDEC_PRESETS "Install AmbDec preset files" ON)
  53 OPTION(ALSOFT_INSTALL "Install headers and libraries" ON)
  54
  55 if(DEFINED SHARE_INSTALL_DIR)
  56     message(WARNING "SHARE_INSTALL_DIR is deprecated.  Use the variables provided by the GNUInstallDirs module instead")
  57     set(CMAKE_INSTALL_DATADIR "${SHARE_INSTALL_DIR}")
  58 endif()
  59
  60 if(DEFINED LIB_SUFFIX)
  61     message(WARNING "LIB_SUFFIX is deprecated.  Use the variables provided by the GNUInstallDirs module instead")
  62 endif()
  63
  64
  65 SET(CPP_DEFS ) # C pre-process, not C++
  66 SET(INC_PATHS )
  67 SET(C_FLAGS )
  68 SET(LINKER_FLAGS )
  69 SET(EXTRA_LIBS )
  70
  71 IF(WIN32)
  72     SET(CPP_DEFS ${CPP_DEFS} _WIN32 _WIN32_WINNT=0x0502)
  73
  74     OPTION(ALSOFT_BUILD_ROUTER  "Build the router (EXPERIMENTAL; creates OpenAL32.dll and soft_oal.dll)"  OFF)
  75
  76     # This option is mainly for static linking OpenAL Soft into another project
  77     # that already defines the IDs. It is up to that project to ensure all
  78     # required IDs are defined.
  79     OPTION(ALSOFT_NO_UID_DEFS "Do not define GUIDs, IIDs, CLSIDs, or PropertyKeys" OFF)
  80
  81     IF(MINGW)
  82         OPTION(ALSOFT_BUILD_IMPORT_LIB "Build an import .lib using dlltool (requires sed)" ON)
  83         IF(NOT DLLTOOL)
  84             IF(HOST)
  85                 SET(DLLTOOL "${HOST}-dlltool")
  86             ELSE()
  87                 SET(DLLTOOL "dlltool")
  88             ENDIF()
  89         ENDIF()
  90     ENDIF()
  91 ENDIF()
  92
  93
  94 # QNX's gcc do not uses /usr/include and /usr/lib pathes by default
  95 IF ("${CMAKE_C_PLATFORM_ID}" STREQUAL "QNX")
  96     SET(INC_PATHS ${INC_PATHS} /usr/include)
  97     SET(LINKER_FLAGS ${LINKER_FLAGS} -L/usr/lib)
  98 ENDIF()
  99
 100 IF(NOT LIBTYPE)
 101     SET(LIBTYPE SHARED)
 102 ENDIF()
 103
 104 SET(LIB_MAJOR_VERSION "1")
 105 SET(LIB_MINOR_VERSION "18")
 106 SET(LIB_REVISION "2")
 107 SET(LIB_VERSION "${LIB_MAJOR_VERSION}.${LIB_MINOR_VERSION}.${LIB_REVISION}")
 108
 109 SET(EXPORT_DECL "")
 110 SET(ALIGN_DECL "")
 111
 112
 113 CHECK_TYPE_SIZE("long" SIZEOF_LONG)
 114 CHECK_TYPE_SIZE("long long" SIZEOF_LONG_LONG)
 115
 116
 117 CHECK_C_COMPILER_FLAG(-std=c11 HAVE_STD_C11)
 118 IF(HAVE_STD_C11)
 119     SET(CMAKE_C_FLAGS "-std=c11 ${CMAKE_C_FLAGS}")
 120 ELSE()
 121     CHECK_C_COMPILER_FLAG(-std=c99 HAVE_STD_C99)
 122     IF(HAVE_STD_C99)
 123         SET(CMAKE_C_FLAGS "-std=c99 ${CMAKE_C_FLAGS}")
 124     ENDIF()
 125 ENDIF()
 126
 127 CHECK_CXX_COMPILER_FLAG(-std=c++11 HAVE_STD_CXX11)
 128 IF(HAVE_STD_CXX11)
 129     SET(CMAKE_CXX_FLAGS "-std=c++11 ${CMAKE_CXX_FLAGS}")
 130 ENDIF()
 131
 132 if(NOT WIN32)
 133     # Check if _POSIX_C_SOURCE and _XOPEN_SOURCE needs to be set for POSIX functions
 134     CHECK_SYMBOL_EXISTS(posix_memalign stdlib.h HAVE_POSIX_MEMALIGN_DEFAULT)
 135     IF(NOT HAVE_POSIX_MEMALIGN_DEFAULT)
 136         SET(OLD_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
 137         SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -D_POSIX_C_SOURCE=200112L -D_XOPEN_SOURCE=600")
 138         CHECK_SYMBOL_EXISTS(posix_memalign stdlib.h HAVE_POSIX_MEMALIGN_POSIX)
 139         IF(NOT HAVE_POSIX_MEMALIGN_POSIX)
 140             SET(CMAKE_REQUIRED_FLAGS ${OLD_REQUIRED_FLAGS})
 141         ELSE()
 142             SET(CPP_DEFS ${CPP_DEFS} _POSIX_C_SOURCE=200112L _XOPEN_SOURCE=600)
 143         ENDIF()
 144     ENDIF()
 145     UNSET(OLD_REQUIRED_FLAGS)
 146 ENDIF()
 147
 148 # Set defines for large file support
 149 CHECK_FILE_OFFSET_BITS()
 150 IF(_FILE_OFFSET_BITS)
 151     SET(CPP_DEFS ${CPP_DEFS} "_FILE_OFFSET_BITS=${_FILE_OFFSET_BITS}")
 152     SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -D_FILE_OFFSET_BITS=${_FILE_OFFSET_BITS}")
 153 ENDIF()
 154 SET(CPP_DEFS ${CPP_DEFS} _LARGEFILE_SOURCE _LARGE_FILES)
 155 SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -D_LARGEFILE_SOURCE -D_LARGE_FILES")
 156
 157 # MSVC may need workarounds for C99 restrict and inline
 158 IF(MSVC)
 159     # TODO: Once we truly require C99, these restrict and inline checks should go
 160     # away.
 161     CHECK_C_SOURCE_COMPILES("int *restrict foo;
 162                              int main() {return 0;}" HAVE_RESTRICT)
 163     IF(NOT HAVE_RESTRICT)
 164         SET(CPP_DEFS ${CPP_DEFS} "restrict=")
 165         SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Drestrict=")
 166     ENDIF()
 167
 168     CHECK_C_SOURCE_COMPILES("inline void foo(void) { }
 169                              int main() {return 0;}" HAVE_INLINE)
 170     IF(NOT HAVE_INLINE)
 171         CHECK_C_SOURCE_COMPILES("__inline void foo(void) { }
 172                                  int main() {return 0;}" HAVE___INLINE)
 173         IF(NOT HAVE___INLINE)
 174             MESSAGE(FATAL_ERROR "No inline keyword found, please report!")
 175         ENDIF()
 176
 177         SET(CPP_DEFS ${CPP_DEFS} inline=__inline)
 178         SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Dinline=__inline")
 179     ENDIF()
 180 ENDIF()
 181
 182 # Make sure we have C99-style inline semantics with GCC (4.3 or newer).
 183 IF(CMAKE_COMPILER_IS_GNUCC)
 184     SET(CMAKE_C_FLAGS "-fno-gnu89-inline ${CMAKE_C_FLAGS}")
 185
 186     SET(OLD_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
 187     # Force no inlining for the next test.
 188     SET(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS} -fno-inline")
 189
 190     CHECK_C_SOURCE_COMPILES("extern inline int foo() { return 0; }
 191                              int main() {return foo();}" INLINE_IS_C99)
 192     IF(NOT INLINE_IS_C99)
 193         MESSAGE(FATAL_ERROR "Your compiler does not seem to have C99 inline semantics!
 194                              Please update your compiler for better C99 compliance.")
 195     ENDIF()
 196
 197     SET(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS}")
 198 ENDIF()
 199
 200 # Check if we have a proper timespec declaration
 201 CHECK_STRUCT_HAS_MEMBER("struct timespec" tv_sec time.h HAVE_STRUCT_TIMESPEC)
 202 IF(HAVE_STRUCT_TIMESPEC)
 203     # Define it here so we don't have to include config.h for it
 204     SET(CPP_DEFS ${CPP_DEFS} HAVE_STRUCT_TIMESPEC)
 205 ENDIF()
 206
 207 # Some systems may need libatomic for C11 atomic functions to work
 208 SET(OLD_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
 209 SET(CMAKE_REQUIRED_LIBRARIES ${OLD_REQUIRED_LIBRARIES} atomic)
 210 CHECK_C_SOURCE_COMPILES("#include <stdatomic.h>
 211 int _Atomic foo = ATOMIC_VAR_INIT(0);
 212 int main()
 213 {
 214     return atomic_fetch_add(&foo, 2);
 215 }"
 216 HAVE_LIBATOMIC)
 217 IF(NOT HAVE_LIBATOMIC)
 218     SET(CMAKE_REQUIRED_LIBRARIES "${OLD_REQUIRED_LIBRARIES}")
 219 ELSE()
 220     SET(EXTRA_LIBS atomic ${EXTRA_LIBS})
 221 ENDIF()
 222 UNSET(OLD_REQUIRED_LIBRARIES)
 223
 224 # Include liblog for Android logging
 225 CHECK_LIBRARY_EXISTS(log __android_log_print "" HAVE_LIBLOG)
 226 IF(HAVE_LIBLOG)
 227     SET(EXTRA_LIBS log ${EXTRA_LIBS})
 228     SET(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} log)
 229 ENDIF()
 230
 231 # Check if we have C99 bool
 232 CHECK_C_SOURCE_COMPILES(
 233 "int main(int argc, char *argv[])
 234  {
 235      volatile _Bool ret;
 236      ret = (argc > 1) ? 1 : 0;
 237      return ret ? -1 : 0;
 238  }"
 239 HAVE_C99_BOOL)
 240
 241 # Check if we have C11 static_assert
 242 CHECK_C_SOURCE_COMPILES(
 243 "int main()
 244  {
 245      _Static_assert(sizeof(int) == sizeof(int), \"What\");
 246      return 0;
 247  }"
 248 HAVE_C11_STATIC_ASSERT)
 249
 250 # Check if we have C11 alignas
 251 CHECK_C_SOURCE_COMPILES(
 252 "_Alignas(16) int foo;
 253  int main()
 254  {
 255      return 0;
 256  }"
 257 HAVE_C11_ALIGNAS)
 258
 259 # Check if we have C11 _Atomic
 260 CHECK_C_SOURCE_COMPILES(
 261 "#include <stdatomic.h>
 262  int _Atomic foo = ATOMIC_VAR_INIT(0);
 263  int main()
 264  {
 265      atomic_fetch_add(&foo, 2);
 266      return 0;
 267  }"
 268 HAVE_C11_ATOMIC)
 269
 270 # Add definitions, compiler switches, etc.
 271 INCLUDE_DIRECTORIES("${OpenAL_SOURCE_DIR}/include" "${OpenAL_SOURCE_DIR}/common" "${OpenAL_BINARY_DIR}")
 272
 273 IF(NOT CMAKE_BUILD_TYPE)
 274     SET(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING
 275         "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel."
 276         FORCE)
 277 ENDIF()
 278 IF(NOT CMAKE_DEBUG_POSTFIX)
 279     SET(CMAKE_DEBUG_POSTFIX "" CACHE STRING
 280         "Library postfix for debug builds. Normally left blank."
 281         FORCE)
 282 ENDIF()
 283
 284 IF(MSVC)
 285     SET(CPP_DEFS ${CPP_DEFS} _CRT_SECURE_NO_WARNINGS _CRT_NONSTDC_NO_DEPRECATE)
 286     SET(C_FLAGS ${C_FLAGS} /wd4098)
 287
 288     IF(NOT DXSDK_DIR)
 289         STRING(REGEX REPLACE "\\\\" "/" DXSDK_DIR "$ENV{DXSDK_DIR}")
 290     ELSE()
 291         STRING(REGEX REPLACE "\\\\" "/" DXSDK_DIR "${DXSDK_DIR}")
 292     ENDIF()
 293     IF(DXSDK_DIR)
 294         MESSAGE(STATUS "Using DirectX SDK directory: ${DXSDK_DIR}")
 295     ENDIF()
 296
 297     OPTION(FORCE_STATIC_VCRT "Force /MT for static VC runtimes" OFF)
 298     IF(FORCE_STATIC_VCRT)
 299         FOREACH(flag_var
 300                 CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
 301                 CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO)
 302             IF(${flag_var} MATCHES "/MD")
 303                 STRING(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
 304             ENDIF()
 305         ENDFOREACH(flag_var)
 306     ENDIF()
 307 ELSE()
 308     SET(C_FLAGS ${C_FLAGS} -Winline -Wall)
 309     CHECK_C_COMPILER_FLAG(-Wextra HAVE_W_EXTRA)
 310     IF(HAVE_W_EXTRA)
 311         SET(C_FLAGS ${C_FLAGS} -Wextra)
 312     ENDIF()
 313
 314     IF(ALSOFT_WERROR)
 315         SET(C_FLAGS ${C_FLAGS} -Werror)
 316     ENDIF()
 317
 318     # We want RelWithDebInfo to actually include debug stuff (define _DEBUG
 319     # instead of NDEBUG)
 320     FOREACH(flag_var  CMAKE_C_FLAGS_RELWITHDEBINFO CMAKE_CXX_FLAGS_RELWITHDEBINFO)
 321         IF(${flag_var} MATCHES "-DNDEBUG")
 322             STRING(REGEX REPLACE "-DNDEBUG" "-D_DEBUG" ${flag_var} "${${flag_var}}")
 323         ENDIF()
 324     ENDFOREACH()
 325
 326     CHECK_C_COMPILER_FLAG(-fno-math-errno HAVE_FNO_MATH_ERRNO)
 327     IF(HAVE_FNO_MATH_ERRNO)
 328         SET(C_FLAGS ${C_FLAGS} -fno-math-errno)
 329     ENDIF()
 330
 331     CHECK_C_SOURCE_COMPILES("int foo() __attribute__((destructor));
 332                              int main() {return 0;}" HAVE_GCC_DESTRUCTOR)
 333
 334     option(ALSOFT_STATIC_LIBGCC "Force -static-libgcc for static GCC runtimes" OFF)
 335     if(ALSOFT_STATIC_LIBGCC)
 336         set(OLD_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
 337         set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} -static-libgcc)
 338         check_c_source_compiles(
 339 "#include <stdlib.h>
 340 int main()
 341 {
 342     return 0;
 343 }"
 344             HAVE_STATIC_LIBGCC_SWITCH
 345         )
 346         if(HAVE_STATIC_LIBGCC_SWITCH)
 347             SET(LINKER_FLAGS ${LINKER_FLAGS} -static-libgcc)
 348         endif()
 349         set(CMAKE_REQUIRED_LIBRARIES ${OLD_REQUIRED_LIBRARIES})
 350         unset(OLD_REQUIRED_LIBRARIES)
 351     endif()
 352 ENDIF()
 353
 354 # Set visibility/export options if available
 355 IF(WIN32)
 356     SET(EXPORT_DECL "__declspec(dllexport)")
 357     IF(NOT MINGW)
 358         SET(ALIGN_DECL "__declspec(align(x))")
 359     ELSE()
 360         SET(ALIGN_DECL "__declspec(aligned(x))")
 361     ENDIF()
 362 ELSE()
 363     SET(OLD_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
 364     # Yes GCC, really don't accept visibility modes you don't support
 365     SET(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS} -Wattributes -Werror")
 366
 367     CHECK_C_SOURCE_COMPILES("int foo() __attribute__((visibility(\"protected\")));
 368                              int main() {return 0;}" HAVE_GCC_PROTECTED_VISIBILITY)
 369     IF(HAVE_GCC_PROTECTED_VISIBILITY)
 370         SET(EXPORT_DECL "__attribute__((visibility(\"protected\")))")
 371     ELSE()
 372         CHECK_C_SOURCE_COMPILES("int foo() __attribute__((visibility(\"default\")));
 373                                  int main() {return 0;}" HAVE_GCC_DEFAULT_VISIBILITY)
 374         IF(HAVE_GCC_DEFAULT_VISIBILITY)
 375             SET(EXPORT_DECL "__attribute__((visibility(\"default\")))")
 376         ENDIF()
 377     ENDIF()
 378
 379     IF(HAVE_GCC_PROTECTED_VISIBILITY OR HAVE_GCC_DEFAULT_VISIBILITY)
 380         CHECK_C_COMPILER_FLAG(-fvisibility=hidden HAVE_VISIBILITY_HIDDEN_SWITCH)
 381         IF(HAVE_VISIBILITY_HIDDEN_SWITCH)
 382             SET(C_FLAGS ${C_FLAGS} -fvisibility=hidden)
 383         ENDIF()
 384     ENDIF()
 385
 386     CHECK_C_SOURCE_COMPILES("int foo __attribute__((aligned(16)));
 387                              int main() {return 0;}" HAVE_ATTRIBUTE_ALIGNED)
 388     IF(HAVE_ATTRIBUTE_ALIGNED)
 389         SET(ALIGN_DECL "__attribute__((aligned(x)))")
 390     ENDIF()
 391
 392     SET(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS}")
 393 ENDIF()
 394
 395 CHECK_C_SOURCE_COMPILES("
 396 int main()
 397 {
 398     float *ptr;
 399     ptr = __builtin_assume_aligned(ptr, 16);
 400     return 0;
 401 }" HAVE___BUILTIN_ASSUME_ALIGNED)
 402 IF(HAVE___BUILTIN_ASSUME_ALIGNED)
 403     SET(ASSUME_ALIGNED_DECL "__builtin_assume_aligned(x, y)")
 404 ELSE()
 405     SET(ASSUME_ALIGNED_DECL "x")
 406 ENDIF()
 407
 408 SET(SSE_SWITCH "")
 409 SET(SSE2_SWITCH "")
 410 SET(SSE3_SWITCH "")
 411 SET(SSE4_1_SWITCH "")
 412 SET(FPU_NEON_SWITCH "")
 413
 414 CHECK_C_COMPILER_FLAG(-msse HAVE_MSSE_SWITCH)
 415 IF(HAVE_MSSE_SWITCH)
 416     SET(SSE_SWITCH "-msse")
 417 ENDIF()
 418 CHECK_C_COMPILER_FLAG(-msse2 HAVE_MSSE2_SWITCH)
 419 IF(HAVE_MSSE2_SWITCH)
 420     SET(SSE2_SWITCH "-msse2")
 421 ENDIF()
 422 CHECK_C_COMPILER_FLAG(-msse3 HAVE_MSSE3_SWITCH)
 423 IF(HAVE_MSSE3_SWITCH)
 424     SET(SSE3_SWITCH "-msse3")
 425 ENDIF()
 426 CHECK_C_COMPILER_FLAG(-msse4.1 HAVE_MSSE4_1_SWITCH)
 427 IF(HAVE_MSSE4_1_SWITCH)
 428     SET(SSE4_1_SWITCH "-msse4.1")
 429 ENDIF()
 430 CHECK_C_COMPILER_FLAG(-mfpu=neon HAVE_MFPU_NEON_SWITCH)
 431 IF(HAVE_MFPU_NEON_SWITCH)
 432     SET(FPU_NEON_SWITCH "-mfpu=neon")
 433 ENDIF()
 434
 435 CHECK_C_SOURCE_COMPILES("int foo(const char *str, ...) __attribute__((format(printf, 1, 2)));
 436                          int main() {return 0;}" HAVE_GCC_FORMAT)
 437
 438 CHECK_INCLUDE_FILE(stdbool.h HAVE_STDBOOL_H)
 439 CHECK_INCLUDE_FILE(stdalign.h HAVE_STDALIGN_H)
 440 CHECK_INCLUDE_FILE(malloc.h HAVE_MALLOC_H)
 441 CHECK_INCLUDE_FILE(dirent.h HAVE_DIRENT_H)
 442 CHECK_INCLUDE_FILE(strings.h HAVE_STRINGS_H)
 443 CHECK_INCLUDE_FILE(cpuid.h HAVE_CPUID_H)
 444 CHECK_INCLUDE_FILE(intrin.h HAVE_INTRIN_H)
 445 CHECK_INCLUDE_FILE(sys/sysconf.h HAVE_SYS_SYSCONF_H)
 446 CHECK_INCLUDE_FILE(fenv.h HAVE_FENV_H)
 447 CHECK_INCLUDE_FILE(float.h HAVE_FLOAT_H)
 448 CHECK_INCLUDE_FILE(ieeefp.h HAVE_IEEEFP_H)
 449 CHECK_INCLUDE_FILE(guiddef.h HAVE_GUIDDEF_H)
 450 IF(NOT HAVE_GUIDDEF_H)
 451     CHECK_INCLUDE_FILE(initguid.h HAVE_INITGUID_H)
 452 ENDIF()
 453
 454 # Some systems need libm for some of the following math functions to work
 455 SET(MATH_LIB )
 456 CHECK_LIBRARY_EXISTS(m pow "" HAVE_LIBM)
 457 IF(HAVE_LIBM)
 458     SET(MATH_LIB ${MATH_LIB} m)
 459     SET(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} m)
 460 ENDIF()
 461
 462 # Check for the dlopen API (for dynamicly loading backend libs)
 463 IF(ALSOFT_DLOPEN)
 464     CHECK_LIBRARY_EXISTS(dl dlopen "" HAVE_LIBDL)
 465     IF(HAVE_LIBDL)
 466         SET(EXTRA_LIBS dl ${EXTRA_LIBS})
 467         SET(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} dl)
 468     ENDIF()
 469
 470     CHECK_INCLUDE_FILE(dlfcn.h HAVE_DLFCN_H)
 471 ENDIF()
 472
 473 # Check for a cpuid intrinsic
 474 IF(HAVE_CPUID_H)
 475     CHECK_C_SOURCE_COMPILES("#include <cpuid.h>
 476         int main()
 477         {
 478             unsigned int eax, ebx, ecx, edx;
 479             return __get_cpuid(0, &eax, &ebx, &ecx, &edx);
 480         }" HAVE_GCC_GET_CPUID)
 481 ENDIF()
 482 IF(HAVE_INTRIN_H)
 483     CHECK_C_SOURCE_COMPILES("#include <intrin.h>
 484         int main()
 485         {
 486             int regs[4];
 487             __cpuid(regs, 0);
 488             return regs[0];
 489         }" HAVE_CPUID_INTRINSIC)
 490     CHECK_C_SOURCE_COMPILES("#include <intrin.h>
 491         int main()
 492         {
 493             unsigned long idx = 0;
 494             _BitScanForward64(&idx, 1);
 495             return idx;
 496         }" HAVE_BITSCANFORWARD64_INTRINSIC)
 497     CHECK_C_SOURCE_COMPILES("#include <intrin.h>
 498         int main()
 499         {
 500             unsigned long idx = 0;
 501             _BitScanForward(&idx, 1);
 502             return idx;
 503         }" HAVE_BITSCANFORWARD_INTRINSIC)
 504 ENDIF()
 505
 506 CHECK_SYMBOL_EXISTS(sysconf          unistd.h HAVE_SYSCONF)
 507 CHECK_SYMBOL_EXISTS(aligned_alloc    stdlib.h HAVE_ALIGNED_ALLOC)
 508 CHECK_SYMBOL_EXISTS(posix_memalign   stdlib.h HAVE_POSIX_MEMALIGN)
 509 CHECK_SYMBOL_EXISTS(_aligned_malloc  malloc.h HAVE__ALIGNED_MALLOC)
 510 CHECK_SYMBOL_EXISTS(lrintf math.h HAVE_LRINTF)
 511 CHECK_SYMBOL_EXISTS(modff  math.h HAVE_MODFF)
 512 CHECK_SYMBOL_EXISTS(log2f  math.h HAVE_LOG2F)
 513 CHECK_SYMBOL_EXISTS(cbrtf  math.h HAVE_CBRTF)
 514
 515 IF(HAVE_FLOAT_H)
 516     CHECK_SYMBOL_EXISTS(_controlfp float.h HAVE__CONTROLFP)
 517     CHECK_SYMBOL_EXISTS(__control87_2 float.h HAVE___CONTROL87_2)
 518 ENDIF()
 519
 520 CHECK_FUNCTION_EXISTS(stat HAVE_STAT)
 521 CHECK_FUNCTION_EXISTS(strtof HAVE_STRTOF)
 522 CHECK_FUNCTION_EXISTS(strcasecmp HAVE_STRCASECMP)
 523 IF(NOT HAVE_STRCASECMP)
 524     CHECK_FUNCTION_EXISTS(_stricmp HAVE__STRICMP)
 525     IF(NOT HAVE__STRICMP)
 526         MESSAGE(FATAL_ERROR "No case-insensitive compare function found, please report!")
 527     ENDIF()
 528
 529     SET(CPP_DEFS ${CPP_DEFS} strcasecmp=_stricmp)
 530 ENDIF()
 531
 532 CHECK_FUNCTION_EXISTS(strncasecmp HAVE_STRNCASECMP)
 533 IF(NOT HAVE_STRNCASECMP)
 534     CHECK_FUNCTION_EXISTS(_strnicmp HAVE__STRNICMP)
 535     IF(NOT HAVE__STRNICMP)
 536         MESSAGE(FATAL_ERROR "No case-insensitive size-limitted compare function found, please report!")
 537     ENDIF()
 538
 539     SET(CPP_DEFS ${CPP_DEFS} strncasecmp=_strnicmp)
 540 ENDIF()
 541
 542 CHECK_SYMBOL_EXISTS(strnlen string.h HAVE_STRNLEN)
 543 CHECK_SYMBOL_EXISTS(snprintf stdio.h HAVE_SNPRINTF)
 544 IF(NOT HAVE_SNPRINTF)
 545     CHECK_FUNCTION_EXISTS(_snprintf HAVE__SNPRINTF)
 546     IF(NOT HAVE__SNPRINTF)
 547         MESSAGE(FATAL_ERROR "No snprintf function found, please report!")
 548     ENDIF()
 549
 550     SET(CPP_DEFS ${CPP_DEFS} snprintf=_snprintf)
 551 ENDIF()
 552
 553 CHECK_SYMBOL_EXISTS(isfinite math.h HAVE_ISFINITE)
 554 IF(NOT HAVE_ISFINITE)
 555     CHECK_FUNCTION_EXISTS(finite HAVE_FINITE)
 556     IF(NOT HAVE_FINITE)
 557         CHECK_FUNCTION_EXISTS(_finite HAVE__FINITE)
 558         IF(NOT HAVE__FINITE)
 559             MESSAGE(FATAL_ERROR "No isfinite function found, please report!")
 560         ENDIF()
 561         SET(CPP_DEFS ${CPP_DEFS} isfinite=_finite)
 562     ELSE()
 563         SET(CPP_DEFS ${CPP_DEFS} isfinite=finite)
 564     ENDIF()
 565 ENDIF()
 566
 567 CHECK_SYMBOL_EXISTS(isnan math.h HAVE_ISNAN)
 568 IF(NOT HAVE_ISNAN)
 569     CHECK_FUNCTION_EXISTS(_isnan HAVE__ISNAN)
 570     IF(NOT HAVE__ISNAN)
 571         MESSAGE(FATAL_ERROR "No isnan function found, please report!")
 572     ENDIF()
 573
 574     SET(CPP_DEFS ${CPP_DEFS} isnan=_isnan)
 575 ENDIF()
 576
 577
 578 # Check if we have Windows headers
 579 CHECK_INCLUDE_FILE(windows.h HAVE_WINDOWS_H -D_WIN32_WINNT=0x0502)
 580 IF(NOT HAVE_WINDOWS_H)
 581     CHECK_SYMBOL_EXISTS(gettimeofday sys/time.h HAVE_GETTIMEOFDAY)
 582     IF(NOT HAVE_GETTIMEOFDAY)
 583         MESSAGE(FATAL_ERROR "No timing function found!")
 584     ENDIF()
 585
 586     CHECK_SYMBOL_EXISTS(nanosleep time.h HAVE_NANOSLEEP)
 587     IF(NOT HAVE_NANOSLEEP)
 588         MESSAGE(FATAL_ERROR "No sleep function found!")
 589     ENDIF()
 590
 591     # We need pthreads outside of Windows
 592     CHECK_INCLUDE_FILE(pthread.h HAVE_PTHREAD_H)
 593     IF(NOT HAVE_PTHREAD_H)
 594         MESSAGE(FATAL_ERROR "PThreads is required for non-Windows builds!")
 595     ENDIF()
 596     # Some systems need pthread_np.h to get recursive mutexes
 597     CHECK_INCLUDE_FILES("pthread.h;pthread_np.h" HAVE_PTHREAD_NP_H)
 598
 599     CHECK_C_COMPILER_FLAG(-pthread HAVE_PTHREAD)
 600     IF(HAVE_PTHREAD)
 601         SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -pthread")
 602         SET(C_FLAGS ${C_FLAGS} -pthread)
 603         SET(LINKER_FLAGS ${LINKER_FLAGS} -pthread)
 604     ENDIF()
 605
 606     CHECK_LIBRARY_EXISTS(pthread pthread_create "" HAVE_LIBPTHREAD)
 607     IF(HAVE_LIBPTHREAD)
 608         SET(EXTRA_LIBS pthread ${EXTRA_LIBS})
 609     ENDIF()
 610
 611     CHECK_SYMBOL_EXISTS(pthread_setschedparam pthread.h HAVE_PTHREAD_SETSCHEDPARAM)
 612
 613     IF(HAVE_PTHREAD_NP_H)
 614         CHECK_SYMBOL_EXISTS(pthread_setname_np "pthread.h;pthread_np.h" HAVE_PTHREAD_SETNAME_NP)
 615         IF(NOT HAVE_PTHREAD_SETNAME_NP)
 616             CHECK_SYMBOL_EXISTS(pthread_set_name_np "pthread.h;pthread_np.h" HAVE_PTHREAD_SET_NAME_NP)
 617         ELSE()
 618             CHECK_C_SOURCE_COMPILES("
 619 #include <pthread.h>
 620 #include <pthread_np.h>
 621 int main()
 622 {
 623     pthread_setname_np(\"testname\");
 624     return 0;
 625 }"
 626                 PTHREAD_SETNAME_NP_ONE_PARAM
 627             )
 628             CHECK_C_SOURCE_COMPILES("
 629 #include <pthread.h>
 630 #include <pthread_np.h>
 631 int main()
 632 {
 633     pthread_setname_np(pthread_self(), \"%s\", \"testname\");
 634     return 0;
 635 }"
 636                 PTHREAD_SETNAME_NP_THREE_PARAMS
 637             )
 638         ENDIF()
 639         CHECK_SYMBOL_EXISTS(pthread_mutexattr_setkind_np "pthread.h;pthread_np.h" HAVE_PTHREAD_MUTEXATTR_SETKIND_NP)
 640     ELSE()
 641         CHECK_SYMBOL_EXISTS(pthread_setname_np pthread.h HAVE_PTHREAD_SETNAME_NP)
 642         IF(NOT HAVE_PTHREAD_SETNAME_NP)
 643             CHECK_SYMBOL_EXISTS(pthread_set_name_np pthread.h HAVE_PTHREAD_SET_NAME_NP)
 644         ELSE()
 645             CHECK_C_SOURCE_COMPILES("
 646 #include <pthread.h>
 647 int main()
 648 {
 649     pthread_setname_np(\"testname\");
 650     return 0;
 651 }"
 652                 PTHREAD_SETNAME_NP_ONE_PARAM
 653             )
 654             CHECK_C_SOURCE_COMPILES("
 655 #include <pthread.h>
 656 int main()
 657 {
 658     pthread_setname_np(pthread_self(), \"%s\", \"testname\");
 659     return 0;
 660 }"
 661                 PTHREAD_SETNAME_NP_THREE_PARAMS
 662             )
 663         ENDIF()
 664         CHECK_SYMBOL_EXISTS(pthread_mutexattr_setkind_np pthread.h HAVE_PTHREAD_MUTEXATTR_SETKIND_NP)
 665     ENDIF()
 666
 667     CHECK_SYMBOL_EXISTS(pthread_mutex_timedlock pthread.h HAVE_PTHREAD_MUTEX_TIMEDLOCK)
 668
 669     CHECK_LIBRARY_EXISTS(rt clock_gettime "" HAVE_LIBRT)
 670     IF(HAVE_LIBRT)
 671         SET(EXTRA_LIBS rt ${EXTRA_LIBS})
 672     ENDIF()
 673 ENDIF()
 674
 675 CHECK_SYMBOL_EXISTS(getopt unistd.h HAVE_GETOPT)
 676
 677 # Check for a 64-bit type
 678 CHECK_INCLUDE_FILE(stdint.h HAVE_STDINT_H)
 679 IF(NOT HAVE_STDINT_H)
 680     IF(HAVE_WINDOWS_H)
 681         CHECK_C_SOURCE_COMPILES("#define _WIN32_WINNT 0x0502
 682                                  #include <windows.h>
 683                                  __int64 foo;
 684                                  int main() {return 0;}" HAVE___INT64)
 685     ENDIF()
 686     IF(NOT HAVE___INT64)
 687         IF(NOT SIZEOF_LONG MATCHES "8")
 688             IF(NOT SIZEOF_LONG_LONG MATCHES "8")
 689                 MESSAGE(FATAL_ERROR "No 64-bit types found, please report!")
 690             ENDIF()
 691         ENDIF()
 692     ENDIF()
 693 ENDIF()
 694
 695
 696 SET(COMMON_OBJS  common/almalloc.c
 697                  common/atomic.c
 698                  common/rwlock.c
 699                  common/threads.c
 700                  common/uintmap.c
 701 )
 702 SET(OPENAL_OBJS  OpenAL32/alAuxEffectSlot.c
 703                  OpenAL32/alBuffer.c
 704                  OpenAL32/alEffect.c
 705                  OpenAL32/alError.c
 706                  OpenAL32/alExtension.c
 707                  OpenAL32/alFilter.c
 708                  OpenAL32/alListener.c
 709                  OpenAL32/alSource.c
 710                  OpenAL32/alState.c
 711                  OpenAL32/event.c
 712                  OpenAL32/sample_cvt.c
 713 )
 714 SET(ALC_OBJS  Alc/ALc.c
 715               Alc/ALu.c
 716               Alc/alconfig.c
 717               Alc/bs2b.c
 718               Alc/converter.c
 719               Alc/mastering.c
 720               Alc/ringbuffer.c
 721               Alc/effects/chorus.c
 722               Alc/effects/compressor.c
 723               Alc/effects/dedicated.c
 724               Alc/effects/distortion.c
 725               Alc/effects/echo.c
 726               Alc/effects/equalizer.c
 727               Alc/effects/modulator.c
 728               Alc/effects/null.c
 729               Alc/effects/pshifter.c
 730               Alc/effects/reverb.c
 731               Alc/helpers.c
 732               Alc/hrtf.c
 733               Alc/uhjfilter.c
 734               Alc/ambdec.c
 735               Alc/bformatdec.c
 736               Alc/nfcfilter.c
 737               Alc/panning.c
 738               Alc/mixer.c
 739               Alc/mixer_c.c
 740 )
 741
 742
 743 SET(CPU_EXTS "Default")
 744 SET(HAVE_SSE        0)
 745 SET(HAVE_SSE2       0)
 746 SET(HAVE_SSE3       0)
 747 SET(HAVE_SSE4_1     0)
 748 SET(HAVE_NEON       0)
 749
 750 SET(HAVE_ALSA       0)
 751 SET(HAVE_OSS        0)
 752 SET(HAVE_SOLARIS    0)
 753 SET(HAVE_SNDIO      0)
 754 SET(HAVE_QSA        0)
 755 SET(HAVE_DSOUND     0)
 756 SET(HAVE_WASAPI     0)
 757 SET(HAVE_WINMM      0)
 758 SET(HAVE_PORTAUDIO  0)
 759 SET(HAVE_PULSEAUDIO 0)
 760 SET(HAVE_COREAUDIO  0)
 761 SET(HAVE_OPENSL     0)
 762 SET(HAVE_WAVE       0)
 763 SET(HAVE_SDL2       0)
 764
 765 # Check for SSE support
 766 OPTION(ALSOFT_REQUIRE_SSE "Require SSE support" OFF)
 767 CHECK_INCLUDE_FILE(xmmintrin.h HAVE_XMMINTRIN_H "${SSE_SWITCH}")
 768 IF(HAVE_XMMINTRIN_H)
 769     OPTION(ALSOFT_CPUEXT_SSE "Enable SSE support" ON)
 770     IF(ALSOFT_CPUEXT_SSE)
 771         IF(ALIGN_DECL OR HAVE_C11_ALIGNAS)
 772             SET(HAVE_SSE 1)
 773             SET(ALC_OBJS  ${ALC_OBJS} Alc/mixer_sse.c)
 774             IF(SSE_SWITCH)
 775                 SET_SOURCE_FILES_PROPERTIES(Alc/mixer_sse.c PROPERTIES
 776                                             COMPILE_FLAGS "${SSE_SWITCH}")
 777             ENDIF()
 778             SET(CPU_EXTS "${CPU_EXTS}, SSE")
 779         ENDIF()
 780     ENDIF()
 781 ENDIF()
 782 IF(ALSOFT_REQUIRE_SSE AND NOT HAVE_SSE)
 783     MESSAGE(FATAL_ERROR "Failed to enabled required SSE CPU extensions")
 784 ENDIF()
 785
 786 OPTION(ALSOFT_REQUIRE_SSE2 "Require SSE2 support" OFF)
 787 CHECK_INCLUDE_FILE(emmintrin.h HAVE_EMMINTRIN_H "${SSE2_SWITCH}")
 788 IF(HAVE_EMMINTRIN_H)
 789     OPTION(ALSOFT_CPUEXT_SSE2 "Enable SSE2 support" ON)
 790     IF(HAVE_SSE AND ALSOFT_CPUEXT_SSE2)
 791         IF(ALIGN_DECL OR HAVE_C11_ALIGNAS)
 792             SET(HAVE_SSE2 1)
 793             SET(ALC_OBJS  ${ALC_OBJS} Alc/mixer_sse2.c)
 794             IF(SSE2_SWITCH)
 795                 SET_SOURCE_FILES_PROPERTIES(Alc/mixer_sse2.c PROPERTIES
 796                                             COMPILE_FLAGS "${SSE2_SWITCH}")
 797             ENDIF()
 798             SET(CPU_EXTS "${CPU_EXTS}, SSE2")
 799         ENDIF()
 800     ENDIF()
 801 ENDIF()
 802 IF(ALSOFT_REQUIRE_SSE2 AND NOT HAVE_SSE2)
 803     MESSAGE(FATAL_ERROR "Failed to enable required SSE2 CPU extensions")
 804 ENDIF()
 805
 806 OPTION(ALSOFT_REQUIRE_SSE2 "Require SSE3 support" OFF)
 807 CHECK_INCLUDE_FILE(pmmintrin.h HAVE_PMMINTRIN_H "${SSE3_SWITCH}")
 808 IF(HAVE_EMMINTRIN_H)
 809     OPTION(ALSOFT_CPUEXT_SSE3 "Enable SSE3 support" ON)
 810     IF(HAVE_SSE2 AND ALSOFT_CPUEXT_SSE3)
 811         IF(ALIGN_DECL OR HAVE_C11_ALIGNAS)
 812             SET(HAVE_SSE3 1)
 813             SET(ALC_OBJS  ${ALC_OBJS} Alc/mixer_sse3.c)
 814             IF(SSE2_SWITCH)
 815                 SET_SOURCE_FILES_PROPERTIES(Alc/mixer_sse3.c PROPERTIES
 816                                             COMPILE_FLAGS "${SSE3_SWITCH}")
 817             ENDIF()
 818             SET(CPU_EXTS "${CPU_EXTS}, SSE3")
 819         ENDIF()
 820     ENDIF()
 821 ENDIF()
 822 IF(ALSOFT_REQUIRE_SSE3 AND NOT HAVE_SSE3)
 823     MESSAGE(FATAL_ERROR "Failed to enable required SSE3 CPU extensions")
 824 ENDIF()
 825
 826 OPTION(ALSOFT_REQUIRE_SSE4_1 "Require SSE4.1 support" OFF)
 827 CHECK_INCLUDE_FILE(smmintrin.h HAVE_SMMINTRIN_H "${SSE4_1_SWITCH}")
 828 IF(HAVE_SMMINTRIN_H)
 829     OPTION(ALSOFT_CPUEXT_SSE4_1 "Enable SSE4.1 support" ON)
 830     IF(HAVE_SSE2 AND ALSOFT_CPUEXT_SSE4_1)
 831         IF(ALIGN_DECL OR HAVE_C11_ALIGNAS)
 832             SET(HAVE_SSE4_1 1)
 833             SET(ALC_OBJS  ${ALC_OBJS} Alc/mixer_sse41.c)
 834             IF(SSE4_1_SWITCH)
 835                 SET_SOURCE_FILES_PROPERTIES(Alc/mixer_sse41.c PROPERTIES
 836                                             COMPILE_FLAGS "${SSE4_1_SWITCH}")
 837             ENDIF()
 838             SET(CPU_EXTS "${CPU_EXTS}, SSE4.1")
 839         ENDIF()
 840     ENDIF()
 841 ENDIF()
 842 IF(ALSOFT_REQUIRE_SSE4_1 AND NOT HAVE_SSE4_1)
 843     MESSAGE(FATAL_ERROR "Failed to enable required SSE4.1 CPU extensions")
 844 ENDIF()
 845
 846 # Check for ARM Neon support
 847 OPTION(ALSOFT_REQUIRE_NEON "Require ARM Neon support" OFF)
 848 CHECK_INCLUDE_FILE(arm_neon.h HAVE_ARM_NEON_H ${FPU_NEON_SWITCH})
 849 IF(HAVE_ARM_NEON_H)
 850     OPTION(ALSOFT_CPUEXT_NEON "Enable ARM Neon support" ON)
 851     IF(ALSOFT_CPUEXT_NEON)
 852         SET(HAVE_NEON 1)
 853         SET(ALC_OBJS  ${ALC_OBJS} Alc/mixer_neon.c)
 854         IF(FPU_NEON_SWITCH)
 855             SET_SOURCE_FILES_PROPERTIES(Alc/mixer_neon.c PROPERTIES
 856                                         COMPILE_FLAGS "${FPU_NEON_SWITCH}")
 857         ENDIF()
 858         SET(CPU_EXTS "${CPU_EXTS}, Neon")
 859     ENDIF()
 860 ENDIF()
 861 IF(ALSOFT_REQUIRE_NEON AND NOT HAVE_NEON)
 862     MESSAGE(FATAL_ERROR "Failed to enabled required ARM Neon CPU extensions")
 863 ENDIF()
 864
 865
 866 IF(WIN32 OR HAVE_DLFCN_H)
 867     SET(IS_LINKED "")
 868     MACRO(ADD_BACKEND_LIBS _LIBS)
 869     ENDMACRO()
 870 ELSE()
 871     SET(IS_LINKED " (linked)")
 872     MACRO(ADD_BACKEND_LIBS _LIBS)
 873         SET(EXTRA_LIBS ${_LIBS} ${EXTRA_LIBS})
 874     ENDMACRO()
 875 ENDIF()
 876
 877 SET(BACKENDS "")
 878 SET(ALC_OBJS  ${ALC_OBJS}
 879               Alc/backends/base.c
 880               # Default backends, always available
 881               Alc/backends/loopback.c
 882               Alc/backends/null.c
 883 )
 884
 885 # Check ALSA backend
 886 OPTION(ALSOFT_REQUIRE_ALSA "Require ALSA backend" OFF)
 887 FIND_PACKAGE(ALSA)
 888 IF(ALSA_FOUND)
 889     OPTION(ALSOFT_BACKEND_ALSA "Enable ALSA backend" ON)
 890     IF(ALSOFT_BACKEND_ALSA)
 891         SET(HAVE_ALSA 1)
 892         SET(BACKENDS  "${BACKENDS} ALSA${IS_LINKED},")
 893         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/alsa.c)
 894         ADD_BACKEND_LIBS(${ALSA_LIBRARIES})
 895         SET(INC_PATHS ${INC_PATHS} ${ALSA_INCLUDE_DIRS})
 896     ENDIF()
 897 ENDIF()
 898 IF(ALSOFT_REQUIRE_ALSA AND NOT HAVE_ALSA)
 899     MESSAGE(FATAL_ERROR "Failed to enabled required ALSA backend")
 900 ENDIF()
 901
 902 # Check OSS backend
 903 OPTION(ALSOFT_REQUIRE_OSS "Require OSS backend" OFF)
 904 FIND_PACKAGE(OSS)
 905 IF(OSS_FOUND)
 906     OPTION(ALSOFT_BACKEND_OSS "Enable OSS backend" ON)
 907     IF(ALSOFT_BACKEND_OSS)
 908         SET(HAVE_OSS 1)
 909         SET(BACKENDS  "${BACKENDS} OSS,")
 910         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/oss.c)
 911         IF(OSS_LIBRARIES)
 912             SET(EXTRA_LIBS ${OSS_LIBRARIES} ${EXTRA_LIBS})
 913         ENDIF()
 914         SET(INC_PATHS ${INC_PATHS} ${OSS_INCLUDE_DIRS})
 915     ENDIF()
 916 ENDIF()
 917 IF(ALSOFT_REQUIRE_OSS AND NOT HAVE_OSS)
 918     MESSAGE(FATAL_ERROR "Failed to enabled required OSS backend")
 919 ENDIF()
 920
 921 # Check Solaris backend
 922 OPTION(ALSOFT_REQUIRE_SOLARIS "Require Solaris backend" OFF)
 923 FIND_PACKAGE(AudioIO)
 924 IF(AUDIOIO_FOUND)
 925     OPTION(ALSOFT_BACKEND_SOLARIS "Enable Solaris backend" ON)
 926     IF(ALSOFT_BACKEND_SOLARIS)
 927         SET(HAVE_SOLARIS 1)
 928         SET(BACKENDS  "${BACKENDS} Solaris,")
 929         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/solaris.c)
 930         SET(INC_PATHS ${INC_PATHS} ${AUDIOIO_INCLUDE_DIRS})
 931     ENDIF()
 932 ENDIF()
 933 IF(ALSOFT_REQUIRE_SOLARIS AND NOT HAVE_SOLARIS)
 934     MESSAGE(FATAL_ERROR "Failed to enabled required Solaris backend")
 935 ENDIF()
 936
 937 # Check SndIO backend
 938 OPTION(ALSOFT_REQUIRE_SNDIO "Require SndIO backend" OFF)
 939 FIND_PACKAGE(SoundIO)
 940 IF(SOUNDIO_FOUND)
 941     OPTION(ALSOFT_BACKEND_SNDIO "Enable SndIO backend" ON)
 942     IF(ALSOFT_BACKEND_SNDIO)
 943         SET(HAVE_SNDIO 1)
 944         SET(BACKENDS  "${BACKENDS} SndIO (linked),")
 945         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/sndio.c)
 946         SET(EXTRA_LIBS ${SOUNDIO_LIBRARIES} ${EXTRA_LIBS})
 947         SET(INC_PATHS ${INC_PATHS} ${SOUNDIO_INCLUDE_DIRS})
 948     ENDIF()
 949 ENDIF()
 950 IF(ALSOFT_REQUIRE_SNDIO AND NOT HAVE_SNDIO)
 951     MESSAGE(FATAL_ERROR "Failed to enabled required SndIO backend")
 952 ENDIF()
 953
 954 # Check QSA backend
 955 OPTION(ALSOFT_REQUIRE_QSA "Require QSA backend" OFF)
 956 FIND_PACKAGE(QSA)
 957 IF(QSA_FOUND)
 958     OPTION(ALSOFT_BACKEND_QSA "Enable QSA backend" ON)
 959     IF(ALSOFT_BACKEND_QSA)
 960         SET(HAVE_QSA 1)
 961         SET(BACKENDS  "${BACKENDS} QSA (linked),")
 962         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/qsa.c)
 963         SET(EXTRA_LIBS ${QSA_LIBRARIES} ${EXTRA_LIBS})
 964         SET(INC_PATHS ${INC_PATHS} ${QSA_INCLUDE_DIRS})
 965     ENDIF()
 966 ENDIF()
 967 IF(ALSOFT_REQUIRE_QSA AND NOT HAVE_QSA)
 968     MESSAGE(FATAL_ERROR "Failed to enabled required QSA backend")
 969 ENDIF()
 970
 971 # Check Windows-only backends
 972 OPTION(ALSOFT_REQUIRE_WINMM "Require Windows Multimedia backend" OFF)
 973 OPTION(ALSOFT_REQUIRE_DSOUND "Require DirectSound backend" OFF)
 974 OPTION(ALSOFT_REQUIRE_WASAPI "Require WASAPI backend" OFF)
 975 IF(HAVE_WINDOWS_H)
 976     # Check MMSystem backend
 977     CHECK_INCLUDE_FILES("windows.h;mmsystem.h" HAVE_MMSYSTEM_H -D_WIN32_WINNT=0x0502)
 978     IF(HAVE_MMSYSTEM_H)
 979         CHECK_SHARED_FUNCTION_EXISTS(waveOutOpen "windows.h;mmsystem.h" winmm "" HAVE_LIBWINMM)
 980         IF(HAVE_LIBWINMM)
 981             OPTION(ALSOFT_BACKEND_WINMM "Enable Windows Multimedia backend" ON)
 982             IF(ALSOFT_BACKEND_WINMM)
 983                 SET(HAVE_WINMM 1)
 984                 SET(BACKENDS  "${BACKENDS} WinMM,")
 985                 SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/winmm.c)
 986                 SET(EXTRA_LIBS winmm ${EXTRA_LIBS})
 987             ENDIF()
 988         ENDIF()
 989     ENDIF()
 990
 991     # Check DSound backend
 992     FIND_PACKAGE(DSound)
 993     IF(DSOUND_FOUND)
 994         OPTION(ALSOFT_BACKEND_DSOUND "Enable DirectSound backend" ON)
 995         IF(ALSOFT_BACKEND_DSOUND)
 996             SET(HAVE_DSOUND 1)
 997             SET(BACKENDS  "${BACKENDS} DirectSound${IS_LINKED},")
 998             SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/dsound.c)
 999             ADD_BACKEND_LIBS(${DSOUND_LIBRARIES})
1000             SET(INC_PATHS ${INC_PATHS} ${DSOUND_INCLUDE_DIRS})
1001         ENDIF()
1002     ENDIF()
1003
1004     # Check for WASAPI backend
1005     CHECK_INCLUDE_FILE(mmdeviceapi.h HAVE_MMDEVICEAPI_H)
1006     IF(HAVE_MMDEVICEAPI_H)
1007         OPTION(ALSOFT_BACKEND_WASAPI "Enable WASAPI backend" ON)
1008         IF(ALSOFT_BACKEND_WASAPI)
1009             SET(HAVE_WASAPI 1)
1010             SET(BACKENDS  "${BACKENDS} WASAPI,")
1011             SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/wasapi.c)
1012         ENDIF()
1013     ENDIF()
1014 ENDIF()
1015 IF(ALSOFT_REQUIRE_WINMM AND NOT HAVE_WINMM)
1016     MESSAGE(FATAL_ERROR "Failed to enabled required WinMM backend")
1017 ENDIF()
1018 IF(ALSOFT_REQUIRE_DSOUND AND NOT HAVE_DSOUND)
1019     MESSAGE(FATAL_ERROR "Failed to enabled required DSound backend")
1020 ENDIF()
1021 IF(ALSOFT_REQUIRE_WASAPI AND NOT HAVE_WASAPI)
1022     MESSAGE(FATAL_ERROR "Failed to enabled required WASAPI backend")
1023 ENDIF()
1024
1025 # Check PortAudio backend
1026 OPTION(ALSOFT_REQUIRE_PORTAUDIO "Require PortAudio backend" OFF)
1027 FIND_PACKAGE(PortAudio)
1028 IF(PORTAUDIO_FOUND)
1029     OPTION(ALSOFT_BACKEND_PORTAUDIO "Enable PortAudio backend" ON)
1030     IF(ALSOFT_BACKEND_PORTAUDIO)
1031         SET(HAVE_PORTAUDIO 1)
1032         SET(BACKENDS  "${BACKENDS} PortAudio${IS_LINKED},")
1033         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/portaudio.c)
1034         ADD_BACKEND_LIBS(${PORTAUDIO_LIBRARIES})
1035         SET(INC_PATHS ${INC_PATHS} ${PORTAUDIO_INCLUDE_DIRS})
1036     ENDIF()
1037 ENDIF()
1038 IF(ALSOFT_REQUIRE_PORTAUDIO AND NOT HAVE_PORTAUDIO)
1039     MESSAGE(FATAL_ERROR "Failed to enabled required PortAudio backend")
1040 ENDIF()
1041
1042 # Check PulseAudio backend
1043 OPTION(ALSOFT_REQUIRE_PULSEAUDIO "Require PulseAudio backend" OFF)
1044 FIND_PACKAGE(PulseAudio)
1045 IF(PULSEAUDIO_FOUND)
1046     OPTION(ALSOFT_BACKEND_PULSEAUDIO "Enable PulseAudio backend" ON)
1047     IF(ALSOFT_BACKEND_PULSEAUDIO)
1048         SET(HAVE_PULSEAUDIO 1)
1049         SET(BACKENDS  "${BACKENDS} PulseAudio${IS_LINKED},")
1050         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/pulseaudio.c)
1051         ADD_BACKEND_LIBS(${PULSEAUDIO_LIBRARIES})
1052         SET(INC_PATHS ${INC_PATHS} ${PULSEAUDIO_INCLUDE_DIRS})
1053     ENDIF()
1054 ENDIF()
1055 IF(ALSOFT_REQUIRE_PULSEAUDIO AND NOT HAVE_PULSEAUDIO)
1056     MESSAGE(FATAL_ERROR "Failed to enabled required PulseAudio backend")
1057 ENDIF()
1058
1059 # Check JACK backend
1060 OPTION(ALSOFT_REQUIRE_JACK "Require JACK backend" OFF)
1061 FIND_PACKAGE(JACK)
1062 IF(JACK_FOUND)
1063     OPTION(ALSOFT_BACKEND_JACK "Enable JACK backend" ON)
1064     IF(ALSOFT_BACKEND_JACK)
1065         SET(HAVE_JACK 1)
1066         SET(BACKENDS  "${BACKENDS} JACK${IS_LINKED},")
1067         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/jack.c)
1068         ADD_BACKEND_LIBS(${JACK_LIBRARIES})
1069         SET(INC_PATHS ${INC_PATHS} ${JACK_INCLUDE_DIRS})
1070     ENDIF()
1071 ENDIF()
1072 IF(ALSOFT_REQUIRE_JACK AND NOT HAVE_JACK)
1073     MESSAGE(FATAL_ERROR "Failed to enabled required JACK backend")
1074 ENDIF()
1075
1076 # Check CoreAudio backend
1077 OPTION(ALSOFT_REQUIRE_COREAUDIO "Require CoreAudio backend" OFF)
1078 FIND_LIBRARY(COREAUDIO_FRAMEWORK
1079              NAMES CoreAudio
1080              PATHS /System/Library/Frameworks
1081 )
1082 IF(COREAUDIO_FRAMEWORK)
1083     OPTION(ALSOFT_BACKEND_COREAUDIO "Enable CoreAudio backend" ON)
1084     IF(ALSOFT_BACKEND_COREAUDIO)
1085         SET(HAVE_COREAUDIO 1)
1086         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/coreaudio.c)
1087         SET(BACKENDS  "${BACKENDS} CoreAudio,")
1088         SET(EXTRA_LIBS ${COREAUDIO_FRAMEWORK} ${EXTRA_LIBS})
1089         SET(EXTRA_LIBS /System/Library/Frameworks/AudioUnit.framework ${EXTRA_LIBS})
1090         SET(EXTRA_LIBS /System/Library/Frameworks/ApplicationServices.framework ${EXTRA_LIBS})
1091
1092         # Some versions of OSX may need the AudioToolbox framework. Add it if
1093         # it's found.
1094         FIND_LIBRARY(AUDIOTOOLBOX_LIBRARY
1095                      NAMES AudioToolbox
1096                      PATHS ~/Library/Frameworks
1097                            /Library/Frameworks
1098                            /System/Library/Frameworks
1099                     )
1100         IF(AUDIOTOOLBOX_LIBRARY)
1101             SET(EXTRA_LIBS ${AUDIOTOOLBOX_LIBRARY} ${EXTRA_LIBS})
1102         ENDIF()
1103     ENDIF()
1104 ENDIF()
1105 IF(ALSOFT_REQUIRE_COREAUDIO AND NOT HAVE_COREAUDIO)
1106     MESSAGE(FATAL_ERROR "Failed to enabled required CoreAudio backend")
1107 ENDIF()
1108
1109 # Check for OpenSL (Android) backend
1110 OPTION(ALSOFT_REQUIRE_OPENSL "Require OpenSL backend" OFF)
1111 CHECK_INCLUDE_FILES("SLES/OpenSLES.h;SLES/OpenSLES_Android.h" HAVE_SLES_OPENSLES_ANDROID_H)
1112 IF(HAVE_SLES_OPENSLES_ANDROID_H)
1113     CHECK_SHARED_FUNCTION_EXISTS(slCreateEngine "SLES/OpenSLES.h" OpenSLES "" HAVE_LIBOPENSLES)
1114     IF(HAVE_LIBOPENSLES)
1115         OPTION(ALSOFT_BACKEND_OPENSL "Enable OpenSL backend" ON)
1116         IF(ALSOFT_BACKEND_OPENSL)
1117             SET(HAVE_OPENSL 1)
1118             SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/opensl.c)
1119             SET(BACKENDS  "${BACKENDS} OpenSL,")
1120             SET(EXTRA_LIBS OpenSLES ${EXTRA_LIBS})
1121         ENDIF()
1122     ENDIF()
1123 ENDIF()
1124 IF(ALSOFT_REQUIRE_OPENSL AND NOT HAVE_OPENSL)
1125     MESSAGE(FATAL_ERROR "Failed to enabled required OpenSL backend")
1126 ENDIF()
1127
1128 # Check for SDL2 backend
1129 OPTION(ALSOFT_REQUIRE_SDL2 "Require SDL2 backend" OFF)
1130 FIND_PACKAGE(SDL2)
1131 IF(SDL2_FOUND)
1132     # Off by default, since it adds a runtime dependency
1133     OPTION(ALSOFT_BACKEND_SDL2 "Enable SDL2 backend" OFF)
1134     IF(ALSOFT_BACKEND_SDL2)
1135         SET(HAVE_SDL2 1)
1136         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/sdl2.c)
1137         SET(BACKENDS  "${BACKENDS} SDL2,")
1138         SET(EXTRA_LIBS ${SDL2_LIBRARY} ${EXTRA_LIBS})
1139     ENDIF()
1140 ENDIF()
1141 IF(ALSOFT_REQUIRE_SDL2 AND NOT SDL2_FOUND)
1142     MESSAGE(FATAL_ERROR "Failed to enabled required SDL2 backend")
1143 ENDIF()
1144
1145 # Optionally enable the Wave Writer backend
1146 OPTION(ALSOFT_BACKEND_WAVE "Enable Wave Writer backend" ON)
1147 IF(ALSOFT_BACKEND_WAVE)
1148     SET(HAVE_WAVE 1)
1149     SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/wave.c)
1150     SET(BACKENDS  "${BACKENDS} WaveFile,")
1151 ENDIF()
1152
1153 # This is always available
1154 SET(BACKENDS  "${BACKENDS} Null")
1155
1156
1157 FIND_PACKAGE(Git)
1158 IF(GIT_FOUND AND EXISTS "${OpenAL_SOURCE_DIR}/.git")
1159     # Get the current working branch and its latest abbreviated commit hash
1160     ADD_CUSTOM_TARGET(build_version
1161         ${CMAKE_COMMAND} -D GIT_EXECUTABLE=${GIT_EXECUTABLE}
1162                          -D LIB_VERSION=${LIB_VERSION}
1163                          -D SRC=${OpenAL_SOURCE_DIR}/version.h.in
1164                          -D DST=${OpenAL_BINARY_DIR}/version.h
1165                          -P ${OpenAL_SOURCE_DIR}/version.cmake
1166         WORKING_DIRECTORY "${OpenAL_SOURCE_DIR}"
1167         VERBATIM
1168     )
1169 ELSE()
1170     SET(GIT_BRANCH "UNKNOWN")
1171     SET(GIT_COMMIT_HASH "unknown")
1172     CONFIGURE_FILE(
1173         "${OpenAL_SOURCE_DIR}/version.h.in"
1174         "${OpenAL_BINARY_DIR}/version.h")
1175 ENDIF()
1176
1177 SET(NATIVE_SRC_DIR  "${OpenAL_SOURCE_DIR}/native-tools/")
1178 SET(NATIVE_BIN_DIR  "${OpenAL_BINARY_DIR}/native-tools/")
1179 FILE(MAKE_DIRECTORY "${NATIVE_BIN_DIR}")
1180
1181 SET(BIN2H_COMMAND  "${NATIVE_BIN_DIR}bin2h")
1182 SET(BSINCGEN_COMMAND  "${NATIVE_BIN_DIR}bsincgen")
1183 ADD_CUSTOM_COMMAND(OUTPUT "${BIN2H_COMMAND}" "${BSINCGEN_COMMAND}"
1184     COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" "${NATIVE_SRC_DIR}"
1185     COMMAND ${CMAKE_COMMAND} -E remove "${BIN2H_COMMAND}" "${BSINCGEN_COMMAND}"
1186     COMMAND ${CMAKE_COMMAND} --build . --config "Release"
1187     WORKING_DIRECTORY "${NATIVE_BIN_DIR}"
1188     DEPENDS "${NATIVE_SRC_DIR}CMakeLists.txt"
1189     IMPLICIT_DEPENDS C "${NATIVE_SRC_DIR}bin2h.c"
1190                      C "${NATIVE_SRC_DIR}bsincgen.c"
1191     VERBATIM
1192 )
1193 ADD_CUSTOM_TARGET(native-tools
1194     DEPENDS "${BIN2H_COMMAND}" "${BSINCGEN_COMMAND}"
1195     VERBATIM
1196 )
1197
1198 option(ALSOFT_EMBED_HRTF_DATA "Embed the HRTF data files (increases library footprint)" OFF)
1199 if(ALSOFT_EMBED_HRTF_DATA)
1200     MACRO(make_hrtf_header FILENAME VARNAME)
1201         SET(infile  "${OpenAL_SOURCE_DIR}/hrtf/${FILENAME}")
1202         SET(outfile  "${OpenAL_BINARY_DIR}/${FILENAME}.h")
1203
1204         ADD_CUSTOM_COMMAND(OUTPUT "${outfile}"
1205             COMMAND "${BIN2H_COMMAND}" "${infile}" "${outfile}" ${VARNAME}
1206             DEPENDS native-tools "${infile}"
1207             VERBATIM
1208         )
1209         SET(ALC_OBJS  ${ALC_OBJS} "${outfile}")
1210     ENDMACRO()
1211
1212     make_hrtf_header(default-44100.mhr "hrtf_default_44100")
1213     make_hrtf_header(default-48000.mhr "hrtf_default_48000")
1214 endif()
1215
1216 ADD_CUSTOM_COMMAND(OUTPUT "${OpenAL_BINARY_DIR}/bsinc_inc.h"
1217     COMMAND "${BSINCGEN_COMMAND}" "${OpenAL_BINARY_DIR}/bsinc_inc.h"
1218     DEPENDS native-tools "${NATIVE_SRC_DIR}bsincgen.c"
1219     VERBATIM
1220 )
1221 SET(ALC_OBJS  ${ALC_OBJS} "${OpenAL_BINARY_DIR}/bsinc_inc.h")
1222
1223
1224 IF(ALSOFT_UTILS AND NOT ALSOFT_NO_CONFIG_UTIL)
1225     add_subdirectory(utils/alsoft-config)
1226 ENDIF()
1227 IF(ALSOFT_EXAMPLES)
1228     IF(NOT SDL2_FOUND)
1229         FIND_PACKAGE(SDL2)
1230     ENDIF()
1231     IF(SDL2_FOUND)
1232         FIND_PACKAGE(SDL_sound)
1233         FIND_PACKAGE(FFmpeg COMPONENTS AVFORMAT AVCODEC AVUTIL SWSCALE SWRESAMPLE)
1234     ENDIF()
1235 ENDIF()
1236
1237 IF(NOT WIN32)
1238     SET(LIBNAME "openal")
1239 ELSE()
1240     SET(LIBNAME "OpenAL32")
1241 ENDIF()
1242
1243 # Needed for openal.pc.in
1244 SET(prefix ${CMAKE_INSTALL_PREFIX})
1245 SET(exec_prefix "\${prefix}")
1246 SET(libdir "\${exec_prefix}/${CMAKE_INSTALL_LIBDIR}")
1247 SET(bindir "\${exec_prefix}/${CMAKE_INSTALL_BINDIR}")
1248 SET(includedir "\${prefix}/${CMAKE_INSTALL_INCLUDEDIR}")
1249 SET(PACKAGE_VERSION "${LIB_VERSION}")
1250 IF(LIBTYPE STREQUAL "STATIC")
1251     SET(PKG_CONFIG_CFLAGS -DAL_LIBTYPE_STATIC ${PKG_CONFIG_CFLAGS})
1252 ENDIF()
1253
1254 # End configuration
1255 CONFIGURE_FILE(
1256     "${OpenAL_SOURCE_DIR}/config.h.in"
1257     "${OpenAL_BINARY_DIR}/config.h")
1258 CONFIGURE_FILE(
1259     "${OpenAL_SOURCE_DIR}/openal.pc.in"
1260     "${OpenAL_BINARY_DIR}/openal.pc"
1261     @ONLY)
1262
1263
1264 # Add a static library with common functions used by multiple targets
1265 ADD_LIBRARY(common STATIC ${COMMON_OBJS})
1266 TARGET_COMPILE_DEFINITIONS(common PRIVATE ${CPP_DEFS})
1267 TARGET_COMPILE_OPTIONS(common PRIVATE ${C_FLAGS})
1268
1269
1270 UNSET(HAS_ROUTER)
1271 SET(IMPL_TARGET OpenAL)
1272 SET(COMMON_LIB )
1273 SET(SUBSYS_FLAG )
1274
1275 # Build main library
1276 IF(LIBTYPE STREQUAL "STATIC")
1277     SET(CPP_DEFS ${CPP_DEFS} AL_LIBTYPE_STATIC)
1278     IF(WIN32 AND ALSOFT_NO_UID_DEFS)
1279         SET(CPP_DEFS ${CPP_DEFS} AL_NO_UID_DEFS)
1280     ENDIF()
1281     ADD_LIBRARY(OpenAL STATIC ${COMMON_OBJS} ${OPENAL_OBJS} ${ALC_OBJS})
1282 ELSE()
1283     # Make sure to compile the common code with PIC, since it'll be linked into
1284     # shared libs that needs it.
1285     SET_PROPERTY(TARGET common PROPERTY POSITION_INDEPENDENT_CODE TRUE)
1286     SET(COMMON_LIB common)
1287
1288     IF(WIN32)
1289         IF(MSVC)
1290             SET(SUBSYS_FLAG ${SUBSYS_FLAG} "/SUBSYSTEM:WINDOWS")
1291         ELSEIF(CMAKE_COMPILER_IS_GNUCC)
1292             SET(SUBSYS_FLAG ${SUBSYS_FLAG} "-mwindows")
1293         ENDIF()
1294     ENDIF()
1295
1296     IF(WIN32 AND ALSOFT_BUILD_ROUTER)
1297         ADD_LIBRARY(OpenAL SHARED router/router.c router/alc.c router/al.c)
1298         TARGET_COMPILE_DEFINITIONS(OpenAL
1299             PRIVATE AL_BUILD_LIBRARY AL_ALEXT_PROTOTYPES ${CPP_DEFS})
1300         TARGET_COMPILE_OPTIONS(OpenAL PRIVATE ${C_FLAGS})
1301         TARGET_LINK_LIBRARIES(OpenAL PRIVATE ${LINKER_FLAGS} ${COMMON_LIB})
1302         SET_TARGET_PROPERTIES(OpenAL PROPERTIES PREFIX "")
1303         SET_TARGET_PROPERTIES(OpenAL PROPERTIES OUTPUT_NAME ${LIBNAME})
1304         IF(TARGET build_version)
1305             ADD_DEPENDENCIES(OpenAL build_version)
1306         ENDIF()
1307         SET(HAS_ROUTER 1)
1308
1309         SET(LIBNAME "soft_oal")
1310         SET(IMPL_TARGET soft_oal)
1311     ENDIF()
1312
1313     ADD_LIBRARY(${IMPL_TARGET} SHARED ${OPENAL_OBJS} ${ALC_OBJS})
1314     IF(WIN32)
1315         SET_TARGET_PROPERTIES(${IMPL_TARGET} PROPERTIES PREFIX "")
1316     ENDIF()
1317 ENDIF()
1318 SET_TARGET_PROPERTIES(${IMPL_TARGET} PROPERTIES OUTPUT_NAME ${LIBNAME}
1319     VERSION ${LIB_VERSION}
1320     SOVERSION ${LIB_MAJOR_VERSION}
1321 )
1322 TARGET_COMPILE_DEFINITIONS(${IMPL_TARGET}
1323     PRIVATE AL_BUILD_LIBRARY AL_ALEXT_PROTOTYPES ${CPP_DEFS})
1324 TARGET_INCLUDE_DIRECTORIES(${IMPL_TARGET}
1325     PRIVATE "${OpenAL_SOURCE_DIR}/OpenAL32/Include" "${OpenAL_SOURCE_DIR}/Alc" ${INC_PATHS})
1326 TARGET_COMPILE_OPTIONS(${IMPL_TARGET} PRIVATE ${C_FLAGS})
1327 TARGET_LINK_LIBRARIES(${IMPL_TARGET}
1328     PRIVATE ${LINKER_FLAGS} ${COMMON_LIB} ${EXTRA_LIBS} ${MATH_LIB})
1329 IF(TARGET build_version)
1330     ADD_DEPENDENCIES(${IMPL_TARGET} build_version)
1331 ENDIF()
1332
1333 IF(WIN32 AND MINGW AND ALSOFT_BUILD_IMPORT_LIB AND NOT LIBTYPE STREQUAL "STATIC")
1334     FIND_PROGRAM(SED_EXECUTABLE NAMES sed DOC "sed executable")
1335     FIND_PROGRAM(DLLTOOL_EXECUTABLE NAMES "${DLLTOOL}" DOC "dlltool executable")
1336     IF(NOT SED_EXECUTABLE OR NOT DLLTOOL_EXECUTABLE)
1337         MESSAGE(STATUS "")
1338         IF(NOT SED_EXECUTABLE)
1339             MESSAGE(STATUS "WARNING: Cannot find sed, disabling .def/.lib generation")
1340         ENDIF()
1341         IF(NOT DLLTOOL_EXECUTABLE)
1342             MESSAGE(STATUS "WARNING: Cannot find dlltool, disabling .def/.lib generation")
1343         ENDIF()
1344     ELSE()
1345         SET_PROPERTY(TARGET OpenAL APPEND_STRING PROPERTY LINK_FLAGS
1346                         " -Wl,--output-def,OpenAL32.def")
1347         ADD_CUSTOM_COMMAND(TARGET OpenAL POST_BUILD
1348             COMMAND "${SED_EXECUTABLE}" -i -e "s/ @[^ ]*//" OpenAL32.def
1349             COMMAND "${DLLTOOL_EXECUTABLE}" -d OpenAL32.def -l OpenAL32.lib -D OpenAL32.dll
1350             COMMENT "Stripping ordinals from OpenAL32.def and generating OpenAL32.lib..."
1351             VERBATIM
1352         )
1353     ENDIF()
1354 ENDIF()
1355
1356 IF(ALSOFT_INSTALL)
1357     INSTALL(TARGETS OpenAL EXPORT OpenAL
1358             RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
1359             LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
1360             ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
1361             INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} ${CMAKE_INSTALL_INCLUDEDIR}/AL
1362     )
1363     EXPORT(TARGETS OpenAL
1364            NAMESPACE OpenAL::
1365            FILE OpenALConfig.cmake)
1366     INSTALL(EXPORT OpenAL
1367             DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/OpenAL
1368             NAMESPACE OpenAL::
1369             FILE OpenALConfig.cmake)
1370     INSTALL(FILES include/AL/al.h
1371                   include/AL/alc.h
1372                   include/AL/alext.h
1373                   include/AL/efx.h
1374                   include/AL/efx-creative.h
1375                   include/AL/efx-presets.h
1376             DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/AL
1377     )
1378     INSTALL(FILES "${OpenAL_BINARY_DIR}/openal.pc"
1379             DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
1380     IF(TARGET soft_oal)
1381         INSTALL(TARGETS soft_oal
1382                 RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
1383         )
1384     ENDIF()
1385 ENDIF()
1386
1387
1388 if(HAS_ROUTER)
1389     message(STATUS "")
1390     message(STATUS "Building DLL router")
1391 endif()
1392
1393 MESSAGE(STATUS "")
1394 MESSAGE(STATUS "Building OpenAL with support for the following backends:")
1395 MESSAGE(STATUS "    ${BACKENDS}")
1396 MESSAGE(STATUS "")
1397 MESSAGE(STATUS "Building with support for CPU extensions:")
1398 MESSAGE(STATUS "    ${CPU_EXTS}")
1399 MESSAGE(STATUS "")
1400
1401 IF(WIN32)
1402     IF(NOT HAVE_DSOUND)
1403         MESSAGE(STATUS "WARNING: Building the Windows version without DirectSound output")
1404         MESSAGE(STATUS "         This is probably NOT what you want!")
1405         MESSAGE(STATUS "")
1406     ENDIF()
1407 ENDIF()
1408
1409 if(ALSOFT_EMBED_HRTF_DATA)
1410     message(STATUS "Embedding HRTF datasets")
1411     message(STATUS "")
1412 endif()
1413
1414 # Install alsoft.conf configuration file
1415 IF(ALSOFT_CONFIG)
1416     INSTALL(FILES alsoftrc.sample
1417             DESTINATION ${CMAKE_INSTALL_DATADIR}/openal
1418     )
1419     MESSAGE(STATUS "Installing sample configuration")
1420     MESSAGE(STATUS "")
1421 ENDIF()
1422
1423 # Install HRTF definitions
1424 IF(ALSOFT_HRTF_DEFS)
1425     INSTALL(FILES hrtf/default-44100.mhr
1426                   hrtf/default-48000.mhr
1427             DESTINATION ${CMAKE_INSTALL_DATADIR}/openal/hrtf
1428     )
1429     MESSAGE(STATUS "Installing HRTF definitions")
1430     MESSAGE(STATUS "")
1431 ENDIF()
1432
1433 # Install AmbDec presets
1434 IF(ALSOFT_AMBDEC_PRESETS)
1435     INSTALL(FILES presets/3D7.1.ambdec
1436                   presets/hexagon.ambdec
1437                   presets/itu5.1.ambdec
1438                   presets/itu5.1-nocenter.ambdec
1439                   presets/rectangle.ambdec
1440                   presets/square.ambdec
1441                   presets/presets.txt
1442             DESTINATION ${CMAKE_INSTALL_DATADIR}/openal/presets
1443     )
1444     MESSAGE(STATUS "Installing AmbDec presets")
1445     MESSAGE(STATUS "")
1446 ENDIF()
1447
1448 IF(ALSOFT_UTILS)
1449     ADD_EXECUTABLE(openal-info utils/openal-info.c)
1450     TARGET_COMPILE_OPTIONS(openal-info PRIVATE ${C_FLAGS})
1451     TARGET_LINK_LIBRARIES(openal-info PRIVATE ${LINKER_FLAGS} OpenAL)
1452
1453     SET(MAKEHRTF_SRCS  utils/makehrtf.c)
1454     IF(NOT HAVE_GETOPT)
1455         SET(MAKEHRTF_SRCS  ${MAKEHRTF_SRCS} utils/getopt.c)
1456     ENDIF()
1457     ADD_EXECUTABLE(makehrtf ${MAKEHRTF_SRCS})
1458     TARGET_COMPILE_DEFINITIONS(makehrtf PRIVATE ${CPP_DEFS})
1459     TARGET_COMPILE_OPTIONS(makehrtf PRIVATE ${C_FLAGS})
1460     IF(HAVE_LIBM)
1461         TARGET_LINK_LIBRARIES(makehrtf PRIVATE ${LINKER_FLAGS} m)
1462     ENDIF()
1463
1464     IF(ALSOFT_INSTALL)
1465         INSTALL(TARGETS openal-info makehrtf
1466                 RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
1467                 LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
1468                 ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
1469         )
1470     ENDIF()
1471
1472     MESSAGE(STATUS "Building utility programs")
1473     IF(TARGET alsoft-config)
1474         MESSAGE(STATUS "Building configuration program")
1475     ENDIF()
1476     MESSAGE(STATUS "")
1477 ENDIF()
1478
1479 IF(ALSOFT_TESTS)
1480     SET(TEST_COMMON_OBJS  examples/common/alhelpers.c)
1481
1482     ADD_EXECUTABLE(altonegen examples/altonegen.c ${TEST_COMMON_OBJS})
1483     TARGET_COMPILE_DEFINITIONS(altonegen PRIVATE ${CPP_DEFS})
1484     TARGET_COMPILE_OPTIONS(altonegen PRIVATE ${C_FLAGS})
1485     TARGET_LINK_LIBRARIES(altonegen PRIVATE ${LINKER_FLAGS} common OpenAL ${MATH_LIB})
1486
1487     IF(ALSOFT_INSTALL)
1488         INSTALL(TARGETS altonegen
1489                 RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
1490                 LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
1491                 ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
1492         )
1493     ENDIF()
1494
1495     MESSAGE(STATUS "Building test programs")
1496     MESSAGE(STATUS "")
1497 ENDIF()
1498
1499 IF(ALSOFT_EXAMPLES)
1500     ADD_EXECUTABLE(alrecord examples/alrecord.c)
1501     TARGET_COMPILE_DEFINITIONS(alrecord PRIVATE ${CPP_DEFS})
1502     TARGET_COMPILE_OPTIONS(alrecord PRIVATE ${C_FLAGS})
1503     TARGET_LINK_LIBRARIES(alrecord PRIVATE ${LINKER_FLAGS} common OpenAL)
1504
1505     IF(ALSOFT_INSTALL)
1506         INSTALL(TARGETS alrecord
1507                 RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
1508                 LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
1509                 ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
1510         )
1511     ENDIF()
1512
1513     MESSAGE(STATUS "Building example programs")
1514
1515     IF(SDL2_FOUND)
1516         IF(SDL_SOUND_FOUND)
1517             # Add a static library with common functions used by multiple targets
1518             ADD_LIBRARY(ex-common STATIC examples/common/alhelpers.c)
1519             TARGET_COMPILE_DEFINITIONS(ex-common PRIVATE ${CPP_DEFS})
1520             TARGET_COMPILE_OPTIONS(ex-common PRIVATE ${C_FLAGS})
1521
1522             ADD_EXECUTABLE(alplay examples/alplay.c)
1523             TARGET_COMPILE_DEFINITIONS(alplay PRIVATE ${CPP_DEFS})
1524             TARGET_INCLUDE_DIRECTORIES(alplay
1525                 PRIVATE ${SDL2_INCLUDE_DIR} ${SDL_SOUND_INCLUDE_DIR})
1526             TARGET_COMPILE_OPTIONS(alplay PRIVATE ${C_FLAGS})
1527             TARGET_LINK_LIBRARIES(alplay
1528                 PRIVATE ${LINKER_FLAGS} ${SDL_SOUND_LIBRARIES} ${SDL2_LIBRARY} ex-common common
1529                         OpenAL)
1530
1531             ADD_EXECUTABLE(alstream examples/alstream.c)
1532             TARGET_COMPILE_DEFINITIONS(alstream PRIVATE ${CPP_DEFS})
1533             TARGET_INCLUDE_DIRECTORIES(alstream
1534                 PRIVATE ${SDL2_INCLUDE_DIR} ${SDL_SOUND_INCLUDE_DIR})
1535             TARGET_COMPILE_OPTIONS(alstream PRIVATE ${C_FLAGS})
1536             TARGET_LINK_LIBRARIES(alstream
1537                 PRIVATE ${LINKER_FLAGS} ${SDL_SOUND_LIBRARIES} ${SDL2_LIBRARY} ex-common common
1538                         OpenAL)
1539
1540             ADD_EXECUTABLE(alreverb examples/alreverb.c)
1541             TARGET_COMPILE_DEFINITIONS(alreverb PRIVATE ${CPP_DEFS})
1542             TARGET_INCLUDE_DIRECTORIES(alreverb
1543                 PRIVATE ${SDL2_INCLUDE_DIR} ${SDL_SOUND_INCLUDE_DIR})
1544             TARGET_COMPILE_OPTIONS(alreverb PRIVATE ${C_FLAGS})
1545             TARGET_LINK_LIBRARIES(alreverb
1546                 PRIVATE ${LINKER_FLAGS} ${SDL_SOUND_LIBRARIES} ${SDL2_LIBRARY} ex-common common
1547                         OpenAL)
1548
1549             ADD_EXECUTABLE(almultireverb examples/almultireverb.c)
1550             TARGET_COMPILE_DEFINITIONS(almultireverb PRIVATE ${CPP_DEFS})
1551             TARGET_INCLUDE_DIRECTORIES(almultireverb
1552                 PRIVATE ${SDL2_INCLUDE_DIR} ${SDL_SOUND_INCLUDE_DIR})
1553             TARGET_COMPILE_OPTIONS(almultireverb PRIVATE ${C_FLAGS})
1554             TARGET_LINK_LIBRARIES(almultireverb
1555                 PRIVATE ${LINKER_FLAGS} ${SDL_SOUND_LIBRARIES} ${SDL2_LIBRARY} ex-common common
1556                         OpenAL ${MATH_LIB})
1557
1558             ADD_EXECUTABLE(allatency examples/allatency.c)
1559             TARGET_COMPILE_DEFINITIONS(allatency PRIVATE ${CPP_DEFS})
1560             TARGET_INCLUDE_DIRECTORIES(allatency
1561                 PRIVATE ${SDL2_INCLUDE_DIR} ${SDL_SOUND_INCLUDE_DIR})
1562             TARGET_COMPILE_OPTIONS(allatency PRIVATE ${C_FLAGS})
1563             TARGET_LINK_LIBRARIES(allatency
1564                 PRIVATE ${LINKER_FLAGS} ${SDL_SOUND_LIBRARIES} ${SDL2_LIBRARY} ex-common common
1565                         OpenAL)
1566
1567             ADD_EXECUTABLE(alloopback examples/alloopback.c)
1568             TARGET_COMPILE_DEFINITIONS(alloopback PRIVATE ${CPP_DEFS})
1569             TARGET_INCLUDE_DIRECTORIES(alloopback
1570                 PRIVATE ${SDL2_INCLUDE_DIR} ${SDL_SOUND_INCLUDE_DIR})
1571             TARGET_COMPILE_OPTIONS(alloopback PRIVATE ${C_FLAGS})
1572             TARGET_LINK_LIBRARIES(alloopback
1573                 PRIVATE ${LINKER_FLAGS} ${SDL_SOUND_LIBRARIES} ${SDL2_LIBRARY} ex-common common
1574                         OpenAL ${MATH_LIB})
1575
1576             ADD_EXECUTABLE(alhrtf examples/alhrtf.c)
1577             TARGET_COMPILE_DEFINITIONS(alhrtf PRIVATE ${CPP_DEFS})
1578             TARGET_INCLUDE_DIRECTORIES(alhrtf
1579                 PRIVATE ${SDL2_INCLUDE_DIR} ${SDL_SOUND_INCLUDE_DIR})
1580             TARGET_COMPILE_OPTIONS(alhrtf PRIVATE ${C_FLAGS})
1581             TARGET_LINK_LIBRARIES(alhrtf
1582                 PRIVATE ${LINKER_FLAGS} ${SDL_SOUND_LIBRARIES} ${SDL2_LIBRARY} ex-common common
1583                         OpenAL ${MATH_LIB})
1584
1585             IF(ALSOFT_INSTALL)
1586                 INSTALL(TARGETS alplay alstream alreverb almultireverb allatency alloopback alhrtf
1587                         RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
1588                         LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
1589                         ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
1590                 )
1591             ENDIF()
1592
1593             MESSAGE(STATUS "Building SDL_sound example programs")
1594         ENDIF()
1595
1596         SET(FFVER_OK FALSE)
1597         IF(FFMPEG_FOUND)
1598             SET(FFVER_OK TRUE)
1599             IF(AVFORMAT_VERSION VERSION_LESS "57.56.101")
1600                 MESSAGE(STATUS "libavformat is too old! (${AVFORMAT_VERSION}, wanted 57.56.101)")
1601                 SET(FFVER_OK FALSE)
1602             ENDIF()
1603             IF(AVCODEC_VERSION VERSION_LESS "57.64.101")
1604                 MESSAGE(STATUS "libavcodec is too old! (${AVCODEC_VERSION}, wanted 57.64.101)")
1605                 SET(FFVER_OK FALSE)
1606             ENDIF()
1607             IF(AVUTIL_VERSION VERSION_LESS "55.34.101")
1608                 MESSAGE(STATUS "libavutil is too old! (${AVUTIL_VERSION}, wanted 55.34.101)")
1609                 SET(FFVER_OK FALSE)
1610             ENDIF()
1611             IF(SWSCALE_VERSION VERSION_LESS "4.2.100")
1612                 MESSAGE(STATUS "libswscale is too old! (${SWSCALE_VERSION}, wanted 4.2.100)")
1613                 SET(FFVER_OK FALSE)
1614             ENDIF()
1615             IF(SWRESAMPLE_VERSION VERSION_LESS "2.3.100")
1616                 MESSAGE(STATUS "libswresample is too old! (${SWRESAMPLE_VERSION}, wanted 2.3.100)")
1617                 SET(FFVER_OK FALSE)
1618             ENDIF()
1619         ENDIF()
1620         IF(FFVER_OK)
1621             ADD_EXECUTABLE(alffplay examples/alffplay.cpp)
1622             TARGET_COMPILE_DEFINITIONS(alffplay PRIVATE ${CPP_DEFS})
1623             TARGET_INCLUDE_DIRECTORIES(alffplay
1624                 PRIVATE ${SDL2_INCLUDE_DIR} ${FFMPEG_INCLUDE_DIRS})
1625             TARGET_COMPILE_OPTIONS(alffplay PRIVATE ${C_FLAGS})
1626             TARGET_LINK_LIBRARIES(alffplay
1627                 PRIVATE ${LINKER_FLAGS} ${SDL2_LIBRARY} ${FFMPEG_LIBRARIES} common OpenAL)
1628
1629             IF(ALSOFT_INSTALL)
1630                 INSTALL(TARGETS alffplay
1631                         RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
1632                         LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
1633                         ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
1634                 )
1635             ENDIF()
1636             MESSAGE(STATUS "Building SDL+FFmpeg example programs")
1637         ENDIF()
1638         MESSAGE(STATUS "")
1639     ENDIF()
1640 ENDIF()