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(proc_pidpath     libproc.h HAVE_PROC_PIDPATH)
 511 CHECK_SYMBOL_EXISTS(lrintf math.h HAVE_LRINTF)
 512 CHECK_SYMBOL_EXISTS(modff  math.h HAVE_MODFF)
 513 CHECK_SYMBOL_EXISTS(log2f  math.h HAVE_LOG2F)
 514 CHECK_SYMBOL_EXISTS(cbrtf  math.h HAVE_CBRTF)
 515
 516 IF(HAVE_FLOAT_H)
 517     CHECK_SYMBOL_EXISTS(_controlfp float.h HAVE__CONTROLFP)
 518     CHECK_SYMBOL_EXISTS(__control87_2 float.h HAVE___CONTROL87_2)
 519 ENDIF()
 520
 521 CHECK_FUNCTION_EXISTS(stat HAVE_STAT)
 522 CHECK_FUNCTION_EXISTS(strtof HAVE_STRTOF)
 523 CHECK_FUNCTION_EXISTS(strcasecmp HAVE_STRCASECMP)
 524 IF(NOT HAVE_STRCASECMP)
 525     CHECK_FUNCTION_EXISTS(_stricmp HAVE__STRICMP)
 526     IF(NOT HAVE__STRICMP)
 527         MESSAGE(FATAL_ERROR "No case-insensitive compare function found, please report!")
 528     ENDIF()
 529
 530     SET(CPP_DEFS ${CPP_DEFS} strcasecmp=_stricmp)
 531 ENDIF()
 532
 533 CHECK_FUNCTION_EXISTS(strncasecmp HAVE_STRNCASECMP)
 534 IF(NOT HAVE_STRNCASECMP)
 535     CHECK_FUNCTION_EXISTS(_strnicmp HAVE__STRNICMP)
 536     IF(NOT HAVE__STRNICMP)
 537         MESSAGE(FATAL_ERROR "No case-insensitive size-limitted compare function found, please report!")
 538     ENDIF()
 539
 540     SET(CPP_DEFS ${CPP_DEFS} strncasecmp=_strnicmp)
 541 ENDIF()
 542
 543 CHECK_SYMBOL_EXISTS(strnlen string.h HAVE_STRNLEN)
 544 CHECK_SYMBOL_EXISTS(snprintf stdio.h HAVE_SNPRINTF)
 545 IF(NOT HAVE_SNPRINTF)
 546     CHECK_FUNCTION_EXISTS(_snprintf HAVE__SNPRINTF)
 547     IF(NOT HAVE__SNPRINTF)
 548         MESSAGE(FATAL_ERROR "No snprintf function found, please report!")
 549     ENDIF()
 550
 551     SET(CPP_DEFS ${CPP_DEFS} snprintf=_snprintf)
 552 ENDIF()
 553
 554 CHECK_SYMBOL_EXISTS(isfinite math.h HAVE_ISFINITE)
 555 IF(NOT HAVE_ISFINITE)
 556     CHECK_FUNCTION_EXISTS(finite HAVE_FINITE)
 557     IF(NOT HAVE_FINITE)
 558         CHECK_FUNCTION_EXISTS(_finite HAVE__FINITE)
 559         IF(NOT HAVE__FINITE)
 560             MESSAGE(FATAL_ERROR "No isfinite function found, please report!")
 561         ENDIF()
 562         SET(CPP_DEFS ${CPP_DEFS} isfinite=_finite)
 563     ELSE()
 564         SET(CPP_DEFS ${CPP_DEFS} isfinite=finite)
 565     ENDIF()
 566 ENDIF()
 567
 568 CHECK_SYMBOL_EXISTS(isnan math.h HAVE_ISNAN)
 569 IF(NOT HAVE_ISNAN)
 570     CHECK_FUNCTION_EXISTS(_isnan HAVE__ISNAN)
 571     IF(NOT HAVE__ISNAN)
 572         MESSAGE(FATAL_ERROR "No isnan function found, please report!")
 573     ENDIF()
 574
 575     SET(CPP_DEFS ${CPP_DEFS} isnan=_isnan)
 576 ENDIF()
 577
 578
 579 # Check if we have Windows headers
 580 SET(OLD_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS})
 581 SET(CMAKE_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} -D_WIN32_WINNT=0x0502)
 582 CHECK_INCLUDE_FILE(windows.h HAVE_WINDOWS_H)
 583 SET(CMAKE_REQUIRED_DEFINITIONS ${OLD_REQUIRED_DEFINITIONS})
 584 UNSET(OLD_REQUIRED_DEFINITIONS)
 585
 586 IF(NOT HAVE_WINDOWS_H)
 587     CHECK_SYMBOL_EXISTS(gettimeofday sys/time.h HAVE_GETTIMEOFDAY)
 588     IF(NOT HAVE_GETTIMEOFDAY)
 589         MESSAGE(FATAL_ERROR "No timing function found!")
 590     ENDIF()
 591
 592     CHECK_SYMBOL_EXISTS(nanosleep time.h HAVE_NANOSLEEP)
 593     IF(NOT HAVE_NANOSLEEP)
 594         MESSAGE(FATAL_ERROR "No sleep function found!")
 595     ENDIF()
 596
 597     # We need pthreads outside of Windows
 598     CHECK_INCLUDE_FILE(pthread.h HAVE_PTHREAD_H)
 599     IF(NOT HAVE_PTHREAD_H)
 600         MESSAGE(FATAL_ERROR "PThreads is required for non-Windows builds!")
 601     ENDIF()
 602     # Some systems need pthread_np.h to get recursive mutexes
 603     CHECK_INCLUDE_FILES("pthread.h;pthread_np.h" HAVE_PTHREAD_NP_H)
 604
 605     CHECK_C_COMPILER_FLAG(-pthread HAVE_PTHREAD)
 606     IF(HAVE_PTHREAD)
 607         SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -pthread")
 608         SET(C_FLAGS ${C_FLAGS} -pthread)
 609         SET(LINKER_FLAGS ${LINKER_FLAGS} -pthread)
 610     ENDIF()
 611
 612     CHECK_LIBRARY_EXISTS(pthread pthread_create "" HAVE_LIBPTHREAD)
 613     IF(HAVE_LIBPTHREAD)
 614         SET(EXTRA_LIBS pthread ${EXTRA_LIBS})
 615     ENDIF()
 616
 617     CHECK_SYMBOL_EXISTS(pthread_setschedparam pthread.h HAVE_PTHREAD_SETSCHEDPARAM)
 618
 619     IF(HAVE_PTHREAD_NP_H)
 620         CHECK_SYMBOL_EXISTS(pthread_setname_np "pthread.h;pthread_np.h" HAVE_PTHREAD_SETNAME_NP)
 621         IF(NOT HAVE_PTHREAD_SETNAME_NP)
 622             CHECK_SYMBOL_EXISTS(pthread_set_name_np "pthread.h;pthread_np.h" HAVE_PTHREAD_SET_NAME_NP)
 623         ELSE()
 624             CHECK_C_SOURCE_COMPILES("
 625 #include <pthread.h>
 626 #include <pthread_np.h>
 627 int main()
 628 {
 629     pthread_setname_np(\"testname\");
 630     return 0;
 631 }"
 632                 PTHREAD_SETNAME_NP_ONE_PARAM
 633             )
 634             CHECK_C_SOURCE_COMPILES("
 635 #include <pthread.h>
 636 #include <pthread_np.h>
 637 int main()
 638 {
 639     pthread_setname_np(pthread_self(), \"%s\", \"testname\");
 640     return 0;
 641 }"
 642                 PTHREAD_SETNAME_NP_THREE_PARAMS
 643             )
 644         ENDIF()
 645         CHECK_SYMBOL_EXISTS(pthread_mutexattr_setkind_np "pthread.h;pthread_np.h" HAVE_PTHREAD_MUTEXATTR_SETKIND_NP)
 646     ELSE()
 647         CHECK_SYMBOL_EXISTS(pthread_setname_np pthread.h HAVE_PTHREAD_SETNAME_NP)
 648         IF(NOT HAVE_PTHREAD_SETNAME_NP)
 649             CHECK_SYMBOL_EXISTS(pthread_set_name_np pthread.h HAVE_PTHREAD_SET_NAME_NP)
 650         ELSE()
 651             CHECK_C_SOURCE_COMPILES("
 652 #include <pthread.h>
 653 int main()
 654 {
 655     pthread_setname_np(\"testname\");
 656     return 0;
 657 }"
 658                 PTHREAD_SETNAME_NP_ONE_PARAM
 659             )
 660             CHECK_C_SOURCE_COMPILES("
 661 #include <pthread.h>
 662 int main()
 663 {
 664     pthread_setname_np(pthread_self(), \"%s\", \"testname\");
 665     return 0;
 666 }"
 667                 PTHREAD_SETNAME_NP_THREE_PARAMS
 668             )
 669         ENDIF()
 670         CHECK_SYMBOL_EXISTS(pthread_mutexattr_setkind_np pthread.h HAVE_PTHREAD_MUTEXATTR_SETKIND_NP)
 671     ENDIF()
 672
 673     CHECK_SYMBOL_EXISTS(pthread_mutex_timedlock pthread.h HAVE_PTHREAD_MUTEX_TIMEDLOCK)
 674
 675     CHECK_LIBRARY_EXISTS(rt clock_gettime "" HAVE_LIBRT)
 676     IF(HAVE_LIBRT)
 677         SET(EXTRA_LIBS rt ${EXTRA_LIBS})
 678     ENDIF()
 679 ENDIF()
 680
 681 CHECK_SYMBOL_EXISTS(getopt unistd.h HAVE_GETOPT)
 682
 683 # Check for a 64-bit type
 684 CHECK_INCLUDE_FILE(stdint.h HAVE_STDINT_H)
 685 IF(NOT HAVE_STDINT_H)
 686     IF(HAVE_WINDOWS_H)
 687         CHECK_C_SOURCE_COMPILES("#define _WIN32_WINNT 0x0502
 688                                  #include <windows.h>
 689                                  __int64 foo;
 690                                  int main() {return 0;}" HAVE___INT64)
 691     ENDIF()
 692     IF(NOT HAVE___INT64)
 693         IF(NOT SIZEOF_LONG MATCHES "8")
 694             IF(NOT SIZEOF_LONG_LONG MATCHES "8")
 695                 MESSAGE(FATAL_ERROR "No 64-bit types found, please report!")
 696             ENDIF()
 697         ENDIF()
 698     ENDIF()
 699 ENDIF()
 700
 701
 702 SET(COMMON_OBJS  common/almalloc.c
 703                  common/atomic.c
 704                  common/rwlock.c
 705                  common/threads.c
 706                  common/uintmap.c
 707 )
 708 SET(OPENAL_OBJS  OpenAL32/alAuxEffectSlot.c
 709                  OpenAL32/alBuffer.c
 710                  OpenAL32/alEffect.c
 711                  OpenAL32/alError.c
 712                  OpenAL32/alExtension.c
 713                  OpenAL32/alFilter.c
 714                  OpenAL32/alListener.c
 715                  OpenAL32/alSource.c
 716                  OpenAL32/alState.c
 717                  OpenAL32/event.c
 718                  OpenAL32/sample_cvt.c
 719 )
 720 SET(ALC_OBJS  Alc/ALc.c
 721               Alc/ALu.c
 722               Alc/alconfig.c
 723               Alc/bs2b.c
 724               Alc/converter.c
 725               Alc/mastering.c
 726               Alc/ringbuffer.c
 727               Alc/effects/chorus.c
 728               Alc/effects/compressor.c
 729               Alc/effects/dedicated.c
 730               Alc/effects/distortion.c
 731               Alc/effects/echo.c
 732               Alc/effects/equalizer.c
 733               Alc/effects/modulator.c
 734               Alc/effects/null.c
 735               Alc/effects/pshifter.c
 736               Alc/effects/reverb.c
 737               Alc/filters/filter.c
 738               Alc/filters/nfc.c
 739               Alc/helpers.c
 740               Alc/hrtf.c
 741               Alc/uhjfilter.c
 742               Alc/ambdec.c
 743               Alc/bformatdec.c
 744               Alc/panning.c
 745               Alc/mixvoice.c
 746               Alc/mixer/mixer_c.c
 747 )
 748
 749
 750 SET(CPU_EXTS "Default")
 751 SET(HAVE_SSE        0)
 752 SET(HAVE_SSE2       0)
 753 SET(HAVE_SSE3       0)
 754 SET(HAVE_SSE4_1     0)
 755 SET(HAVE_NEON       0)
 756
 757 SET(HAVE_ALSA       0)
 758 SET(HAVE_OSS        0)
 759 SET(HAVE_SOLARIS    0)
 760 SET(HAVE_SNDIO      0)
 761 SET(HAVE_QSA        0)
 762 SET(HAVE_DSOUND     0)
 763 SET(HAVE_WASAPI     0)
 764 SET(HAVE_WINMM      0)
 765 SET(HAVE_PORTAUDIO  0)
 766 SET(HAVE_PULSEAUDIO 0)
 767 SET(HAVE_COREAUDIO  0)
 768 SET(HAVE_OPENSL     0)
 769 SET(HAVE_WAVE       0)
 770 SET(HAVE_SDL2       0)
 771
 772 # Check for SSE support
 773 OPTION(ALSOFT_REQUIRE_SSE "Require SSE support" OFF)
 774 CHECK_INCLUDE_FILE(xmmintrin.h HAVE_XMMINTRIN_H "${SSE_SWITCH}")
 775 IF(HAVE_XMMINTRIN_H)
 776     OPTION(ALSOFT_CPUEXT_SSE "Enable SSE support" ON)
 777     IF(ALSOFT_CPUEXT_SSE)
 778         IF(ALIGN_DECL OR HAVE_C11_ALIGNAS)
 779             SET(HAVE_SSE 1)
 780             SET(ALC_OBJS  ${ALC_OBJS} Alc/mixer/mixer_sse.c)
 781             IF(SSE_SWITCH)
 782                 SET_SOURCE_FILES_PROPERTIES(Alc/mixer/mixer_sse.c PROPERTIES
 783                                             COMPILE_FLAGS "${SSE_SWITCH}")
 784             ENDIF()
 785             SET(CPU_EXTS "${CPU_EXTS}, SSE")
 786         ENDIF()
 787     ENDIF()
 788 ENDIF()
 789 IF(ALSOFT_REQUIRE_SSE AND NOT HAVE_SSE)
 790     MESSAGE(FATAL_ERROR "Failed to enabled required SSE CPU extensions")
 791 ENDIF()
 792
 793 OPTION(ALSOFT_REQUIRE_SSE2 "Require SSE2 support" OFF)
 794 CHECK_INCLUDE_FILE(emmintrin.h HAVE_EMMINTRIN_H "${SSE2_SWITCH}")
 795 IF(HAVE_EMMINTRIN_H)
 796     OPTION(ALSOFT_CPUEXT_SSE2 "Enable SSE2 support" ON)
 797     IF(HAVE_SSE AND ALSOFT_CPUEXT_SSE2)
 798         IF(ALIGN_DECL OR HAVE_C11_ALIGNAS)
 799             SET(HAVE_SSE2 1)
 800             SET(ALC_OBJS  ${ALC_OBJS} Alc/mixer/mixer_sse2.c)
 801             IF(SSE2_SWITCH)
 802                 SET_SOURCE_FILES_PROPERTIES(Alc/mixer/mixer_sse2.c PROPERTIES
 803                                             COMPILE_FLAGS "${SSE2_SWITCH}")
 804             ENDIF()
 805             SET(CPU_EXTS "${CPU_EXTS}, SSE2")
 806         ENDIF()
 807     ENDIF()
 808 ENDIF()
 809 IF(ALSOFT_REQUIRE_SSE2 AND NOT HAVE_SSE2)
 810     MESSAGE(FATAL_ERROR "Failed to enable required SSE2 CPU extensions")
 811 ENDIF()
 812
 813 OPTION(ALSOFT_REQUIRE_SSE2 "Require SSE3 support" OFF)
 814 CHECK_INCLUDE_FILE(pmmintrin.h HAVE_PMMINTRIN_H "${SSE3_SWITCH}")
 815 IF(HAVE_EMMINTRIN_H)
 816     OPTION(ALSOFT_CPUEXT_SSE3 "Enable SSE3 support" ON)
 817     IF(HAVE_SSE2 AND ALSOFT_CPUEXT_SSE3)
 818         IF(ALIGN_DECL OR HAVE_C11_ALIGNAS)
 819             SET(HAVE_SSE3 1)
 820             SET(ALC_OBJS  ${ALC_OBJS} Alc/mixer/mixer_sse3.c)
 821             IF(SSE2_SWITCH)
 822                 SET_SOURCE_FILES_PROPERTIES(Alc/mixer/mixer_sse3.c PROPERTIES
 823                                             COMPILE_FLAGS "${SSE3_SWITCH}")
 824             ENDIF()
 825             SET(CPU_EXTS "${CPU_EXTS}, SSE3")
 826         ENDIF()
 827     ENDIF()
 828 ENDIF()
 829 IF(ALSOFT_REQUIRE_SSE3 AND NOT HAVE_SSE3)
 830     MESSAGE(FATAL_ERROR "Failed to enable required SSE3 CPU extensions")
 831 ENDIF()
 832
 833 OPTION(ALSOFT_REQUIRE_SSE4_1 "Require SSE4.1 support" OFF)
 834 CHECK_INCLUDE_FILE(smmintrin.h HAVE_SMMINTRIN_H "${SSE4_1_SWITCH}")
 835 IF(HAVE_SMMINTRIN_H)
 836     OPTION(ALSOFT_CPUEXT_SSE4_1 "Enable SSE4.1 support" ON)
 837     IF(HAVE_SSE2 AND ALSOFT_CPUEXT_SSE4_1)
 838         IF(ALIGN_DECL OR HAVE_C11_ALIGNAS)
 839             SET(HAVE_SSE4_1 1)
 840             SET(ALC_OBJS  ${ALC_OBJS} Alc/mixer/mixer_sse41.c)
 841             IF(SSE4_1_SWITCH)
 842                 SET_SOURCE_FILES_PROPERTIES(Alc/mixer/mixer_sse41.c PROPERTIES
 843                                             COMPILE_FLAGS "${SSE4_1_SWITCH}")
 844             ENDIF()
 845             SET(CPU_EXTS "${CPU_EXTS}, SSE4.1")
 846         ENDIF()
 847     ENDIF()
 848 ENDIF()
 849 IF(ALSOFT_REQUIRE_SSE4_1 AND NOT HAVE_SSE4_1)
 850     MESSAGE(FATAL_ERROR "Failed to enable required SSE4.1 CPU extensions")
 851 ENDIF()
 852
 853 # Check for ARM Neon support
 854 OPTION(ALSOFT_REQUIRE_NEON "Require ARM Neon support" OFF)
 855 CHECK_INCLUDE_FILE(arm_neon.h HAVE_ARM_NEON_H ${FPU_NEON_SWITCH})
 856 IF(HAVE_ARM_NEON_H)
 857     OPTION(ALSOFT_CPUEXT_NEON "Enable ARM Neon support" ON)
 858     IF(ALSOFT_CPUEXT_NEON)
 859         SET(HAVE_NEON 1)
 860         SET(ALC_OBJS  ${ALC_OBJS} Alc/mixer/mixer_neon.c)
 861         IF(FPU_NEON_SWITCH)
 862             SET_SOURCE_FILES_PROPERTIES(Alc/mixer/mixer_neon.c PROPERTIES
 863                                         COMPILE_FLAGS "${FPU_NEON_SWITCH}")
 864         ENDIF()
 865         SET(CPU_EXTS "${CPU_EXTS}, Neon")
 866     ENDIF()
 867 ENDIF()
 868 IF(ALSOFT_REQUIRE_NEON AND NOT HAVE_NEON)
 869     MESSAGE(FATAL_ERROR "Failed to enabled required ARM Neon CPU extensions")
 870 ENDIF()
 871
 872
 873 IF(WIN32 OR HAVE_DLFCN_H)
 874     SET(IS_LINKED "")
 875     MACRO(ADD_BACKEND_LIBS _LIBS)
 876     ENDMACRO()
 877 ELSE()
 878     SET(IS_LINKED " (linked)")
 879     MACRO(ADD_BACKEND_LIBS _LIBS)
 880         SET(EXTRA_LIBS ${_LIBS} ${EXTRA_LIBS})
 881     ENDMACRO()
 882 ENDIF()
 883
 884 SET(BACKENDS "")
 885 SET(ALC_OBJS  ${ALC_OBJS}
 886               Alc/backends/base.c
 887               # Default backends, always available
 888               Alc/backends/loopback.c
 889               Alc/backends/null.c
 890 )
 891
 892 # Check ALSA backend
 893 OPTION(ALSOFT_REQUIRE_ALSA "Require ALSA backend" OFF)
 894 FIND_PACKAGE(ALSA)
 895 IF(ALSA_FOUND)
 896     OPTION(ALSOFT_BACKEND_ALSA "Enable ALSA backend" ON)
 897     IF(ALSOFT_BACKEND_ALSA)
 898         SET(HAVE_ALSA 1)
 899         SET(BACKENDS  "${BACKENDS} ALSA${IS_LINKED},")
 900         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/alsa.c)
 901         ADD_BACKEND_LIBS(${ALSA_LIBRARIES})
 902         SET(INC_PATHS ${INC_PATHS} ${ALSA_INCLUDE_DIRS})
 903     ENDIF()
 904 ENDIF()
 905 IF(ALSOFT_REQUIRE_ALSA AND NOT HAVE_ALSA)
 906     MESSAGE(FATAL_ERROR "Failed to enabled required ALSA backend")
 907 ENDIF()
 908
 909 # Check OSS backend
 910 OPTION(ALSOFT_REQUIRE_OSS "Require OSS backend" OFF)
 911 FIND_PACKAGE(OSS)
 912 IF(OSS_FOUND)
 913     OPTION(ALSOFT_BACKEND_OSS "Enable OSS backend" ON)
 914     IF(ALSOFT_BACKEND_OSS)
 915         SET(HAVE_OSS 1)
 916         SET(BACKENDS  "${BACKENDS} OSS,")
 917         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/oss.c)
 918         IF(OSS_LIBRARIES)
 919             SET(EXTRA_LIBS ${OSS_LIBRARIES} ${EXTRA_LIBS})
 920         ENDIF()
 921         SET(INC_PATHS ${INC_PATHS} ${OSS_INCLUDE_DIRS})
 922     ENDIF()
 923 ENDIF()
 924 IF(ALSOFT_REQUIRE_OSS AND NOT HAVE_OSS)
 925     MESSAGE(FATAL_ERROR "Failed to enabled required OSS backend")
 926 ENDIF()
 927
 928 # Check Solaris backend
 929 OPTION(ALSOFT_REQUIRE_SOLARIS "Require Solaris backend" OFF)
 930 FIND_PACKAGE(AudioIO)
 931 IF(AUDIOIO_FOUND)
 932     OPTION(ALSOFT_BACKEND_SOLARIS "Enable Solaris backend" ON)
 933     IF(ALSOFT_BACKEND_SOLARIS)
 934         SET(HAVE_SOLARIS 1)
 935         SET(BACKENDS  "${BACKENDS} Solaris,")
 936         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/solaris.c)
 937         SET(INC_PATHS ${INC_PATHS} ${AUDIOIO_INCLUDE_DIRS})
 938     ENDIF()
 939 ENDIF()
 940 IF(ALSOFT_REQUIRE_SOLARIS AND NOT HAVE_SOLARIS)
 941     MESSAGE(FATAL_ERROR "Failed to enabled required Solaris backend")
 942 ENDIF()
 943
 944 # Check SndIO backend
 945 OPTION(ALSOFT_REQUIRE_SNDIO "Require SndIO backend" OFF)
 946 FIND_PACKAGE(SoundIO)
 947 IF(SOUNDIO_FOUND)
 948     OPTION(ALSOFT_BACKEND_SNDIO "Enable SndIO backend" ON)
 949     IF(ALSOFT_BACKEND_SNDIO)
 950         SET(HAVE_SNDIO 1)
 951         SET(BACKENDS  "${BACKENDS} SndIO (linked),")
 952         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/sndio.c)
 953         SET(EXTRA_LIBS ${SOUNDIO_LIBRARIES} ${EXTRA_LIBS})
 954         SET(INC_PATHS ${INC_PATHS} ${SOUNDIO_INCLUDE_DIRS})
 955     ENDIF()
 956 ENDIF()
 957 IF(ALSOFT_REQUIRE_SNDIO AND NOT HAVE_SNDIO)
 958     MESSAGE(FATAL_ERROR "Failed to enabled required SndIO backend")
 959 ENDIF()
 960
 961 # Check QSA backend
 962 OPTION(ALSOFT_REQUIRE_QSA "Require QSA backend" OFF)
 963 FIND_PACKAGE(QSA)
 964 IF(QSA_FOUND)
 965     OPTION(ALSOFT_BACKEND_QSA "Enable QSA backend" ON)
 966     IF(ALSOFT_BACKEND_QSA)
 967         SET(HAVE_QSA 1)
 968         SET(BACKENDS  "${BACKENDS} QSA (linked),")
 969         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/qsa.c)
 970         SET(EXTRA_LIBS ${QSA_LIBRARIES} ${EXTRA_LIBS})
 971         SET(INC_PATHS ${INC_PATHS} ${QSA_INCLUDE_DIRS})
 972     ENDIF()
 973 ENDIF()
 974 IF(ALSOFT_REQUIRE_QSA AND NOT HAVE_QSA)
 975     MESSAGE(FATAL_ERROR "Failed to enabled required QSA backend")
 976 ENDIF()
 977
 978 # Check Windows-only backends
 979 OPTION(ALSOFT_REQUIRE_WINMM "Require Windows Multimedia backend" OFF)
 980 OPTION(ALSOFT_REQUIRE_DSOUND "Require DirectSound backend" OFF)
 981 OPTION(ALSOFT_REQUIRE_WASAPI "Require WASAPI backend" OFF)
 982 IF(HAVE_WINDOWS_H)
 983     SET(OLD_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS})
 984     SET(CMAKE_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} -D_WIN32_WINNT=0x0502)
 985
 986     # Check MMSystem backend
 987     CHECK_INCLUDE_FILES("windows.h;mmsystem.h" HAVE_MMSYSTEM_H)
 988     IF(HAVE_MMSYSTEM_H)
 989         CHECK_SHARED_FUNCTION_EXISTS(waveOutOpen "windows.h;mmsystem.h" winmm "" HAVE_LIBWINMM)
 990         IF(HAVE_LIBWINMM)
 991             OPTION(ALSOFT_BACKEND_WINMM "Enable Windows Multimedia backend" ON)
 992             IF(ALSOFT_BACKEND_WINMM)
 993                 SET(HAVE_WINMM 1)
 994                 SET(BACKENDS  "${BACKENDS} WinMM,")
 995                 SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/winmm.c)
 996                 SET(EXTRA_LIBS winmm ${EXTRA_LIBS})
 997             ENDIF()
 998         ENDIF()
 999     ENDIF()
1000
1001     # Check DSound backend
1002     FIND_PACKAGE(DSound)
1003     IF(DSOUND_FOUND)
1004         OPTION(ALSOFT_BACKEND_DSOUND "Enable DirectSound backend" ON)
1005         IF(ALSOFT_BACKEND_DSOUND)
1006             SET(HAVE_DSOUND 1)
1007             SET(BACKENDS  "${BACKENDS} DirectSound${IS_LINKED},")
1008             SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/dsound.c)
1009             ADD_BACKEND_LIBS(${DSOUND_LIBRARIES})
1010             SET(INC_PATHS ${INC_PATHS} ${DSOUND_INCLUDE_DIRS})
1011         ENDIF()
1012     ENDIF()
1013
1014     # Check for WASAPI backend
1015     CHECK_INCLUDE_FILE(mmdeviceapi.h HAVE_MMDEVICEAPI_H)
1016     IF(HAVE_MMDEVICEAPI_H)
1017         OPTION(ALSOFT_BACKEND_WASAPI "Enable WASAPI backend" ON)
1018         IF(ALSOFT_BACKEND_WASAPI)
1019             SET(HAVE_WASAPI 1)
1020             SET(BACKENDS  "${BACKENDS} WASAPI,")
1021             SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/wasapi.c)
1022         ENDIF()
1023     ENDIF()
1024
1025     SET(CMAKE_REQUIRED_DEFINITIONS ${OLD_REQUIRED_DEFINITIONS})
1026     UNSET(OLD_REQUIRED_DEFINITIONS)
1027 ENDIF()
1028 IF(ALSOFT_REQUIRE_WINMM AND NOT HAVE_WINMM)
1029     MESSAGE(FATAL_ERROR "Failed to enabled required WinMM backend")
1030 ENDIF()
1031 IF(ALSOFT_REQUIRE_DSOUND AND NOT HAVE_DSOUND)
1032     MESSAGE(FATAL_ERROR "Failed to enabled required DSound backend")
1033 ENDIF()
1034 IF(ALSOFT_REQUIRE_WASAPI AND NOT HAVE_WASAPI)
1035     MESSAGE(FATAL_ERROR "Failed to enabled required WASAPI backend")
1036 ENDIF()
1037
1038 # Check PortAudio backend
1039 OPTION(ALSOFT_REQUIRE_PORTAUDIO "Require PortAudio backend" OFF)
1040 FIND_PACKAGE(PortAudio)
1041 IF(PORTAUDIO_FOUND)
1042     OPTION(ALSOFT_BACKEND_PORTAUDIO "Enable PortAudio backend" ON)
1043     IF(ALSOFT_BACKEND_PORTAUDIO)
1044         SET(HAVE_PORTAUDIO 1)
1045         SET(BACKENDS  "${BACKENDS} PortAudio${IS_LINKED},")
1046         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/portaudio.c)
1047         ADD_BACKEND_LIBS(${PORTAUDIO_LIBRARIES})
1048         SET(INC_PATHS ${INC_PATHS} ${PORTAUDIO_INCLUDE_DIRS})
1049     ENDIF()
1050 ENDIF()
1051 IF(ALSOFT_REQUIRE_PORTAUDIO AND NOT HAVE_PORTAUDIO)
1052     MESSAGE(FATAL_ERROR "Failed to enabled required PortAudio backend")
1053 ENDIF()
1054
1055 # Check PulseAudio backend
1056 OPTION(ALSOFT_REQUIRE_PULSEAUDIO "Require PulseAudio backend" OFF)
1057 FIND_PACKAGE(PulseAudio)
1058 IF(PULSEAUDIO_FOUND)
1059     OPTION(ALSOFT_BACKEND_PULSEAUDIO "Enable PulseAudio backend" ON)
1060     IF(ALSOFT_BACKEND_PULSEAUDIO)
1061         SET(HAVE_PULSEAUDIO 1)
1062         SET(BACKENDS  "${BACKENDS} PulseAudio${IS_LINKED},")
1063         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/pulseaudio.c)
1064         ADD_BACKEND_LIBS(${PULSEAUDIO_LIBRARIES})
1065         SET(INC_PATHS ${INC_PATHS} ${PULSEAUDIO_INCLUDE_DIRS})
1066     ENDIF()
1067 ENDIF()
1068 IF(ALSOFT_REQUIRE_PULSEAUDIO AND NOT HAVE_PULSEAUDIO)
1069     MESSAGE(FATAL_ERROR "Failed to enabled required PulseAudio backend")
1070 ENDIF()
1071
1072 # Check JACK backend
1073 OPTION(ALSOFT_REQUIRE_JACK "Require JACK backend" OFF)
1074 FIND_PACKAGE(JACK)
1075 IF(JACK_FOUND)
1076     OPTION(ALSOFT_BACKEND_JACK "Enable JACK backend" ON)
1077     IF(ALSOFT_BACKEND_JACK)
1078         SET(HAVE_JACK 1)
1079         SET(BACKENDS  "${BACKENDS} JACK${IS_LINKED},")
1080         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/jack.c)
1081         ADD_BACKEND_LIBS(${JACK_LIBRARIES})
1082         SET(INC_PATHS ${INC_PATHS} ${JACK_INCLUDE_DIRS})
1083     ENDIF()
1084 ENDIF()
1085 IF(ALSOFT_REQUIRE_JACK AND NOT HAVE_JACK)
1086     MESSAGE(FATAL_ERROR "Failed to enabled required JACK backend")
1087 ENDIF()
1088
1089 # Check CoreAudio backend
1090 OPTION(ALSOFT_REQUIRE_COREAUDIO "Require CoreAudio backend" OFF)
1091 FIND_LIBRARY(COREAUDIO_FRAMEWORK
1092              NAMES CoreAudio
1093              PATHS /System/Library/Frameworks
1094 )
1095 IF(COREAUDIO_FRAMEWORK)
1096     OPTION(ALSOFT_BACKEND_COREAUDIO "Enable CoreAudio backend" ON)
1097     IF(ALSOFT_BACKEND_COREAUDIO)
1098         SET(HAVE_COREAUDIO 1)
1099         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/coreaudio.c)
1100         SET(BACKENDS  "${BACKENDS} CoreAudio,")
1101         SET(EXTRA_LIBS ${COREAUDIO_FRAMEWORK} ${EXTRA_LIBS})
1102         SET(EXTRA_LIBS /System/Library/Frameworks/AudioUnit.framework ${EXTRA_LIBS})
1103         SET(EXTRA_LIBS /System/Library/Frameworks/ApplicationServices.framework ${EXTRA_LIBS})
1104
1105         # Some versions of OSX may need the AudioToolbox framework. Add it if
1106         # it's found.
1107         FIND_LIBRARY(AUDIOTOOLBOX_LIBRARY
1108                      NAMES AudioToolbox
1109                      PATHS ~/Library/Frameworks
1110                            /Library/Frameworks
1111                            /System/Library/Frameworks
1112                     )
1113         IF(AUDIOTOOLBOX_LIBRARY)
1114             SET(EXTRA_LIBS ${AUDIOTOOLBOX_LIBRARY} ${EXTRA_LIBS})
1115         ENDIF()
1116     ENDIF()
1117 ENDIF()
1118 IF(ALSOFT_REQUIRE_COREAUDIO AND NOT HAVE_COREAUDIO)
1119     MESSAGE(FATAL_ERROR "Failed to enabled required CoreAudio backend")
1120 ENDIF()
1121
1122 # Check for OpenSL (Android) backend
1123 OPTION(ALSOFT_REQUIRE_OPENSL "Require OpenSL backend" OFF)
1124 CHECK_INCLUDE_FILES("SLES/OpenSLES.h;SLES/OpenSLES_Android.h" HAVE_SLES_OPENSLES_ANDROID_H)
1125 IF(HAVE_SLES_OPENSLES_ANDROID_H)
1126     CHECK_SHARED_FUNCTION_EXISTS(slCreateEngine "SLES/OpenSLES.h" OpenSLES "" HAVE_LIBOPENSLES)
1127     IF(HAVE_LIBOPENSLES)
1128         OPTION(ALSOFT_BACKEND_OPENSL "Enable OpenSL backend" ON)
1129         IF(ALSOFT_BACKEND_OPENSL)
1130             SET(HAVE_OPENSL 1)
1131             SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/opensl.c)
1132             SET(BACKENDS  "${BACKENDS} OpenSL,")
1133             SET(EXTRA_LIBS OpenSLES ${EXTRA_LIBS})
1134         ENDIF()
1135     ENDIF()
1136 ENDIF()
1137 IF(ALSOFT_REQUIRE_OPENSL AND NOT HAVE_OPENSL)
1138     MESSAGE(FATAL_ERROR "Failed to enabled required OpenSL backend")
1139 ENDIF()
1140
1141 # Check for SDL2 backend
1142 OPTION(ALSOFT_REQUIRE_SDL2 "Require SDL2 backend" OFF)
1143 FIND_PACKAGE(SDL2)
1144 IF(SDL2_FOUND)
1145     # Off by default, since it adds a runtime dependency
1146     OPTION(ALSOFT_BACKEND_SDL2 "Enable SDL2 backend" OFF)
1147     IF(ALSOFT_BACKEND_SDL2)
1148         SET(HAVE_SDL2 1)
1149         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/sdl2.c)
1150         SET(BACKENDS  "${BACKENDS} SDL2,")
1151         SET(EXTRA_LIBS ${SDL2_LIBRARY} ${EXTRA_LIBS})
1152         SET(INC_PATHS ${INC_PATHS} ${SDL2_INCLUDE_DIR})
1153     ENDIF()
1154 ENDIF()
1155 IF(ALSOFT_REQUIRE_SDL2 AND NOT SDL2_FOUND)
1156     MESSAGE(FATAL_ERROR "Failed to enabled required SDL2 backend")
1157 ENDIF()
1158
1159 # Optionally enable the Wave Writer backend
1160 OPTION(ALSOFT_BACKEND_WAVE "Enable Wave Writer backend" ON)
1161 IF(ALSOFT_BACKEND_WAVE)
1162     SET(HAVE_WAVE 1)
1163     SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/wave.c)
1164     SET(BACKENDS  "${BACKENDS} WaveFile,")
1165 ENDIF()
1166
1167 # This is always available
1168 SET(BACKENDS  "${BACKENDS} Null")
1169
1170
1171 FIND_PACKAGE(Git)
1172 IF(GIT_FOUND AND EXISTS "${OpenAL_SOURCE_DIR}/.git")
1173     # Get the current working branch and its latest abbreviated commit hash
1174     ADD_CUSTOM_TARGET(build_version
1175         ${CMAKE_COMMAND} -D GIT_EXECUTABLE=${GIT_EXECUTABLE}
1176                          -D LIB_VERSION=${LIB_VERSION}
1177                          -D SRC=${OpenAL_SOURCE_DIR}/version.h.in
1178                          -D DST=${OpenAL_BINARY_DIR}/version.h
1179                          -P ${OpenAL_SOURCE_DIR}/version.cmake
1180         WORKING_DIRECTORY "${OpenAL_SOURCE_DIR}"
1181         VERBATIM
1182     )
1183 ELSE()
1184     SET(GIT_BRANCH "UNKNOWN")
1185     SET(GIT_COMMIT_HASH "unknown")
1186     CONFIGURE_FILE(
1187         "${OpenAL_SOURCE_DIR}/version.h.in"
1188         "${OpenAL_BINARY_DIR}/version.h")
1189 ENDIF()
1190
1191 SET(NATIVE_SRC_DIR  "${OpenAL_SOURCE_DIR}/native-tools/")
1192 SET(NATIVE_BIN_DIR  "${OpenAL_BINARY_DIR}/native-tools/")
1193 FILE(MAKE_DIRECTORY "${NATIVE_BIN_DIR}")
1194
1195 SET(BIN2H_COMMAND  "${NATIVE_BIN_DIR}bin2h")
1196 SET(BSINCGEN_COMMAND  "${NATIVE_BIN_DIR}bsincgen")
1197 ADD_CUSTOM_COMMAND(OUTPUT "${BIN2H_COMMAND}" "${BSINCGEN_COMMAND}"
1198     COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" "${NATIVE_SRC_DIR}"
1199     COMMAND ${CMAKE_COMMAND} -E remove "${BIN2H_COMMAND}" "${BSINCGEN_COMMAND}"
1200     COMMAND ${CMAKE_COMMAND} --build . --config "Release"
1201     WORKING_DIRECTORY "${NATIVE_BIN_DIR}"
1202     DEPENDS "${NATIVE_SRC_DIR}CMakeLists.txt"
1203     IMPLICIT_DEPENDS C "${NATIVE_SRC_DIR}bin2h.c"
1204                      C "${NATIVE_SRC_DIR}bsincgen.c"
1205     VERBATIM
1206 )
1207 ADD_CUSTOM_TARGET(native-tools
1208     DEPENDS "${BIN2H_COMMAND}" "${BSINCGEN_COMMAND}"
1209     VERBATIM
1210 )
1211
1212 option(ALSOFT_EMBED_HRTF_DATA "Embed the HRTF data files (increases library footprint)" OFF)
1213 if(ALSOFT_EMBED_HRTF_DATA)
1214     MACRO(make_hrtf_header FILENAME VARNAME)
1215         SET(infile  "${OpenAL_SOURCE_DIR}/hrtf/${FILENAME}")
1216         SET(outfile  "${OpenAL_BINARY_DIR}/${FILENAME}.h")
1217
1218         ADD_CUSTOM_COMMAND(OUTPUT "${outfile}"
1219             COMMAND "${BIN2H_COMMAND}" "${infile}" "${outfile}" ${VARNAME}
1220             DEPENDS native-tools "${infile}"
1221             VERBATIM
1222         )
1223         SET(ALC_OBJS  ${ALC_OBJS} "${outfile}")
1224     ENDMACRO()
1225
1226     make_hrtf_header(default-44100.mhr "hrtf_default_44100")
1227     make_hrtf_header(default-48000.mhr "hrtf_default_48000")
1228 endif()
1229
1230 ADD_CUSTOM_COMMAND(OUTPUT "${OpenAL_BINARY_DIR}/bsinc_inc.h"
1231     COMMAND "${BSINCGEN_COMMAND}" "${OpenAL_BINARY_DIR}/bsinc_inc.h"
1232     DEPENDS native-tools "${NATIVE_SRC_DIR}bsincgen.c"
1233     VERBATIM
1234 )
1235 SET(ALC_OBJS  ${ALC_OBJS} "${OpenAL_BINARY_DIR}/bsinc_inc.h")
1236
1237
1238 IF(ALSOFT_UTILS AND NOT ALSOFT_NO_CONFIG_UTIL)
1239     add_subdirectory(utils/alsoft-config)
1240 ENDIF()
1241 IF(ALSOFT_EXAMPLES)
1242     IF(NOT SDL2_FOUND)
1243         FIND_PACKAGE(SDL2)
1244     ENDIF()
1245     IF(SDL2_FOUND)
1246         FIND_PACKAGE(SDL_sound)
1247         FIND_PACKAGE(FFmpeg COMPONENTS AVFORMAT AVCODEC AVUTIL SWSCALE SWRESAMPLE)
1248     ENDIF()
1249 ENDIF()
1250
1251 IF(NOT WIN32)
1252     SET(LIBNAME "openal")
1253 ELSE()
1254     SET(LIBNAME "OpenAL32")
1255 ENDIF()
1256
1257 # Needed for openal.pc.in
1258 SET(prefix ${CMAKE_INSTALL_PREFIX})
1259 SET(exec_prefix "\${prefix}")
1260 SET(libdir "\${exec_prefix}/${CMAKE_INSTALL_LIBDIR}")
1261 SET(bindir "\${exec_prefix}/${CMAKE_INSTALL_BINDIR}")
1262 SET(includedir "\${prefix}/${CMAKE_INSTALL_INCLUDEDIR}")
1263 SET(PACKAGE_VERSION "${LIB_VERSION}")
1264 SET(PKG_CONFIG_CFLAGS )
1265 SET(PKG_CONFIG_PRIVATE_LIBS )
1266 IF(LIBTYPE STREQUAL "STATIC")
1267     SET(PKG_CONFIG_CFLAGS -DAL_LIBTYPE_STATIC)
1268     FOREACH(FLAG  ${LINKER_FLAGS} ${EXTRA_LIBS} ${MATH_LIB})
1269         # If this is already a linker flag, or is a full path+file, add it
1270         # as-is. Otherwise, it's a name intended to be dressed as -lname.
1271         IF(FLAG MATCHES "^-.*" OR EXISTS "${FLAG}")
1272             SET(PKG_CONFIG_PRIVATE_LIBS "${PKG_CONFIG_PRIVATE_LIBS} ${FLAG}")
1273         ELSE()
1274             SET(PKG_CONFIG_PRIVATE_LIBS "${PKG_CONFIG_PRIVATE_LIBS} -l${FLAG}")
1275         ENDIF()
1276     ENDFOREACH()
1277 ENDIF()
1278
1279 # End configuration
1280 CONFIGURE_FILE(
1281     "${OpenAL_SOURCE_DIR}/config.h.in"
1282     "${OpenAL_BINARY_DIR}/config.h")
1283 CONFIGURE_FILE(
1284     "${OpenAL_SOURCE_DIR}/openal.pc.in"
1285     "${OpenAL_BINARY_DIR}/openal.pc"
1286     @ONLY)
1287
1288
1289 # Add a static library with common functions used by multiple targets
1290 ADD_LIBRARY(common STATIC ${COMMON_OBJS})
1291 TARGET_COMPILE_DEFINITIONS(common PRIVATE ${CPP_DEFS})
1292 TARGET_COMPILE_OPTIONS(common PRIVATE ${C_FLAGS})
1293
1294
1295 UNSET(HAS_ROUTER)
1296 SET(IMPL_TARGET OpenAL)
1297 SET(COMMON_LIB )
1298 SET(SUBSYS_FLAG )
1299
1300 # Build main library
1301 IF(LIBTYPE STREQUAL "STATIC")
1302     SET(CPP_DEFS ${CPP_DEFS} AL_LIBTYPE_STATIC)
1303     IF(WIN32 AND ALSOFT_NO_UID_DEFS)
1304         SET(CPP_DEFS ${CPP_DEFS} AL_NO_UID_DEFS)
1305     ENDIF()
1306     ADD_LIBRARY(OpenAL STATIC ${COMMON_OBJS} ${OPENAL_OBJS} ${ALC_OBJS})
1307 ELSE()
1308     # Make sure to compile the common code with PIC, since it'll be linked into
1309     # shared libs that needs it.
1310     SET_PROPERTY(TARGET common PROPERTY POSITION_INDEPENDENT_CODE TRUE)
1311     SET(COMMON_LIB common)
1312
1313     IF(WIN32)
1314         IF(MSVC)
1315             SET(SUBSYS_FLAG ${SUBSYS_FLAG} "/SUBSYSTEM:WINDOWS")
1316         ELSEIF(CMAKE_COMPILER_IS_GNUCC)
1317             SET(SUBSYS_FLAG ${SUBSYS_FLAG} "-mwindows")
1318         ENDIF()
1319     ENDIF()
1320
1321     IF(WIN32 AND ALSOFT_BUILD_ROUTER)
1322         ADD_LIBRARY(OpenAL SHARED router/router.c router/alc.c router/al.c)
1323         TARGET_COMPILE_DEFINITIONS(OpenAL
1324             PRIVATE AL_BUILD_LIBRARY AL_ALEXT_PROTOTYPES ${CPP_DEFS})
1325         TARGET_COMPILE_OPTIONS(OpenAL PRIVATE ${C_FLAGS})
1326         TARGET_LINK_LIBRARIES(OpenAL PRIVATE ${LINKER_FLAGS} ${COMMON_LIB})
1327         SET_TARGET_PROPERTIES(OpenAL PROPERTIES PREFIX "")
1328         SET_TARGET_PROPERTIES(OpenAL PROPERTIES OUTPUT_NAME ${LIBNAME})
1329         IF(TARGET build_version)
1330             ADD_DEPENDENCIES(OpenAL build_version)
1331         ENDIF()
1332         SET(HAS_ROUTER 1)
1333
1334         SET(LIBNAME "soft_oal")
1335         SET(IMPL_TARGET soft_oal)
1336     ENDIF()
1337
1338     ADD_LIBRARY(${IMPL_TARGET} SHARED ${OPENAL_OBJS} ${ALC_OBJS})
1339     IF(WIN32)
1340         SET_TARGET_PROPERTIES(${IMPL_TARGET} PROPERTIES PREFIX "")
1341     ENDIF()
1342 ENDIF()
1343 SET_TARGET_PROPERTIES(${IMPL_TARGET} PROPERTIES OUTPUT_NAME ${LIBNAME}
1344     VERSION ${LIB_VERSION}
1345     SOVERSION ${LIB_MAJOR_VERSION}
1346 )
1347 TARGET_COMPILE_DEFINITIONS(${IMPL_TARGET}
1348     PRIVATE AL_BUILD_LIBRARY AL_ALEXT_PROTOTYPES ${CPP_DEFS})
1349 TARGET_INCLUDE_DIRECTORIES(${IMPL_TARGET}
1350     PRIVATE "${OpenAL_SOURCE_DIR}/OpenAL32/Include" "${OpenAL_SOURCE_DIR}/Alc" ${INC_PATHS})
1351 TARGET_COMPILE_OPTIONS(${IMPL_TARGET} PRIVATE ${C_FLAGS})
1352 TARGET_LINK_LIBRARIES(${IMPL_TARGET}
1353     PRIVATE ${LINKER_FLAGS} ${COMMON_LIB} ${EXTRA_LIBS} ${MATH_LIB})
1354 IF(TARGET build_version)
1355     ADD_DEPENDENCIES(${IMPL_TARGET} build_version)
1356 ENDIF()
1357
1358 IF(WIN32 AND MINGW AND ALSOFT_BUILD_IMPORT_LIB AND NOT LIBTYPE STREQUAL "STATIC")
1359     FIND_PROGRAM(SED_EXECUTABLE NAMES sed DOC "sed executable")
1360     FIND_PROGRAM(DLLTOOL_EXECUTABLE NAMES "${DLLTOOL}" DOC "dlltool executable")
1361     IF(NOT SED_EXECUTABLE OR NOT DLLTOOL_EXECUTABLE)
1362         MESSAGE(STATUS "")
1363         IF(NOT SED_EXECUTABLE)
1364             MESSAGE(STATUS "WARNING: Cannot find sed, disabling .def/.lib generation")
1365         ENDIF()
1366         IF(NOT DLLTOOL_EXECUTABLE)
1367             MESSAGE(STATUS "WARNING: Cannot find dlltool, disabling .def/.lib generation")
1368         ENDIF()
1369     ELSE()
1370         SET_PROPERTY(TARGET OpenAL APPEND_STRING PROPERTY LINK_FLAGS
1371                         " -Wl,--output-def,OpenAL32.def")
1372         ADD_CUSTOM_COMMAND(TARGET OpenAL POST_BUILD
1373             COMMAND "${SED_EXECUTABLE}" -i -e "s/ @[^ ]*//" OpenAL32.def
1374             COMMAND "${DLLTOOL_EXECUTABLE}" -d OpenAL32.def -l OpenAL32.lib -D OpenAL32.dll
1375             COMMENT "Stripping ordinals from OpenAL32.def and generating OpenAL32.lib..."
1376             VERBATIM
1377         )
1378     ENDIF()
1379 ENDIF()
1380
1381 IF(ALSOFT_INSTALL)
1382     INSTALL(TARGETS OpenAL EXPORT OpenAL
1383             RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
1384             LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
1385             ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
1386             INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} ${CMAKE_INSTALL_INCLUDEDIR}/AL
1387     )
1388     EXPORT(TARGETS OpenAL
1389            NAMESPACE OpenAL::
1390            FILE OpenALConfig.cmake)
1391     INSTALL(EXPORT OpenAL
1392             DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/OpenAL
1393             NAMESPACE OpenAL::
1394             FILE OpenALConfig.cmake)
1395     INSTALL(FILES include/AL/al.h
1396                   include/AL/alc.h
1397                   include/AL/alext.h
1398                   include/AL/efx.h
1399                   include/AL/efx-creative.h
1400                   include/AL/efx-presets.h
1401             DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/AL
1402     )
1403     INSTALL(FILES "${OpenAL_BINARY_DIR}/openal.pc"
1404             DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
1405     IF(TARGET soft_oal)
1406         INSTALL(TARGETS soft_oal
1407                 RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
1408         )
1409     ENDIF()
1410 ENDIF()
1411
1412
1413 if(HAS_ROUTER)
1414     message(STATUS "")
1415     message(STATUS "Building DLL router")
1416 endif()
1417
1418 MESSAGE(STATUS "")
1419 MESSAGE(STATUS "Building OpenAL with support for the following backends:")
1420 MESSAGE(STATUS "    ${BACKENDS}")
1421 MESSAGE(STATUS "")
1422 MESSAGE(STATUS "Building with support for CPU extensions:")
1423 MESSAGE(STATUS "    ${CPU_EXTS}")
1424 MESSAGE(STATUS "")
1425
1426 IF(WIN32)
1427     IF(NOT HAVE_DSOUND)
1428         MESSAGE(STATUS "WARNING: Building the Windows version without DirectSound output")
1429         MESSAGE(STATUS "         This is probably NOT what you want!")
1430         MESSAGE(STATUS "")
1431     ENDIF()
1432 ENDIF()
1433
1434 if(ALSOFT_EMBED_HRTF_DATA)
1435     message(STATUS "Embedding HRTF datasets")
1436     message(STATUS "")
1437 endif()
1438
1439 # Install alsoft.conf configuration file
1440 IF(ALSOFT_CONFIG)
1441     INSTALL(FILES alsoftrc.sample
1442             DESTINATION ${CMAKE_INSTALL_DATADIR}/openal
1443     )
1444     MESSAGE(STATUS "Installing sample configuration")
1445     MESSAGE(STATUS "")
1446 ENDIF()
1447
1448 # Install HRTF definitions
1449 IF(ALSOFT_HRTF_DEFS)
1450     INSTALL(FILES hrtf/default-44100.mhr
1451                   hrtf/default-48000.mhr
1452             DESTINATION ${CMAKE_INSTALL_DATADIR}/openal/hrtf
1453     )
1454     MESSAGE(STATUS "Installing HRTF definitions")
1455     MESSAGE(STATUS "")
1456 ENDIF()
1457
1458 # Install AmbDec presets
1459 IF(ALSOFT_AMBDEC_PRESETS)
1460     INSTALL(FILES presets/3D7.1.ambdec
1461                   presets/hexagon.ambdec
1462                   presets/itu5.1.ambdec
1463                   presets/itu5.1-nocenter.ambdec
1464                   presets/rectangle.ambdec
1465                   presets/square.ambdec
1466                   presets/presets.txt
1467             DESTINATION ${CMAKE_INSTALL_DATADIR}/openal/presets
1468     )
1469     MESSAGE(STATUS "Installing AmbDec presets")
1470     MESSAGE(STATUS "")
1471 ENDIF()
1472
1473 IF(ALSOFT_UTILS)
1474     ADD_EXECUTABLE(openal-info utils/openal-info.c)
1475     TARGET_COMPILE_OPTIONS(openal-info PRIVATE ${C_FLAGS})
1476     TARGET_LINK_LIBRARIES(openal-info PRIVATE ${LINKER_FLAGS} OpenAL)
1477
1478     SET(MAKEHRTF_SRCS  utils/makehrtf.c)
1479     IF(NOT HAVE_GETOPT)
1480         SET(MAKEHRTF_SRCS  ${MAKEHRTF_SRCS} utils/getopt.c)
1481     ENDIF()
1482     ADD_EXECUTABLE(makehrtf ${MAKEHRTF_SRCS})
1483     TARGET_COMPILE_DEFINITIONS(makehrtf PRIVATE ${CPP_DEFS})
1484     TARGET_COMPILE_OPTIONS(makehrtf PRIVATE ${C_FLAGS})
1485     IF(HAVE_LIBM)
1486         TARGET_LINK_LIBRARIES(makehrtf PRIVATE ${LINKER_FLAGS} m)
1487     ENDIF()
1488
1489     IF(ALSOFT_INSTALL)
1490         INSTALL(TARGETS openal-info makehrtf
1491                 RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
1492                 LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
1493                 ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
1494         )
1495     ENDIF()
1496
1497     MESSAGE(STATUS "Building utility programs")
1498     IF(TARGET alsoft-config)
1499         MESSAGE(STATUS "Building configuration program")
1500     ENDIF()
1501     MESSAGE(STATUS "")
1502 ENDIF()
1503
1504 IF(ALSOFT_TESTS)
1505     SET(TEST_COMMON_OBJS  examples/common/alhelpers.c)
1506
1507     ADD_EXECUTABLE(altonegen examples/altonegen.c ${TEST_COMMON_OBJS})
1508     TARGET_COMPILE_DEFINITIONS(altonegen PRIVATE ${CPP_DEFS})
1509     TARGET_COMPILE_OPTIONS(altonegen PRIVATE ${C_FLAGS})
1510     TARGET_LINK_LIBRARIES(altonegen PRIVATE ${LINKER_FLAGS} common OpenAL ${MATH_LIB})
1511
1512     IF(ALSOFT_INSTALL)
1513         INSTALL(TARGETS altonegen
1514                 RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
1515                 LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
1516                 ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
1517         )
1518     ENDIF()
1519
1520     MESSAGE(STATUS "Building test programs")
1521     MESSAGE(STATUS "")
1522 ENDIF()
1523
1524 IF(ALSOFT_EXAMPLES)
1525     ADD_EXECUTABLE(alrecord examples/alrecord.c)
1526     TARGET_COMPILE_DEFINITIONS(alrecord PRIVATE ${CPP_DEFS})
1527     TARGET_COMPILE_OPTIONS(alrecord PRIVATE ${C_FLAGS})
1528     TARGET_LINK_LIBRARIES(alrecord PRIVATE ${LINKER_FLAGS} common OpenAL)
1529
1530     IF(ALSOFT_INSTALL)
1531         INSTALL(TARGETS alrecord
1532                 RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
1533                 LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
1534                 ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
1535         )
1536     ENDIF()
1537
1538     MESSAGE(STATUS "Building example programs")
1539
1540     IF(SDL2_FOUND)
1541         IF(SDL_SOUND_FOUND)
1542             # Add a static library with common functions used by multiple targets
1543             ADD_LIBRARY(ex-common STATIC examples/common/alhelpers.c)
1544             TARGET_COMPILE_DEFINITIONS(ex-common PRIVATE ${CPP_DEFS})
1545             TARGET_COMPILE_OPTIONS(ex-common PRIVATE ${C_FLAGS})
1546
1547             ADD_EXECUTABLE(alplay examples/alplay.c)
1548             TARGET_COMPILE_DEFINITIONS(alplay PRIVATE ${CPP_DEFS})
1549             TARGET_INCLUDE_DIRECTORIES(alplay
1550                 PRIVATE ${SDL2_INCLUDE_DIR} ${SDL_SOUND_INCLUDE_DIR})
1551             TARGET_COMPILE_OPTIONS(alplay PRIVATE ${C_FLAGS})
1552             TARGET_LINK_LIBRARIES(alplay
1553                 PRIVATE ${LINKER_FLAGS} ${SDL_SOUND_LIBRARIES} ${SDL2_LIBRARY} ex-common common
1554                         OpenAL)
1555
1556             ADD_EXECUTABLE(alstream examples/alstream.c)
1557             TARGET_COMPILE_DEFINITIONS(alstream PRIVATE ${CPP_DEFS})
1558             TARGET_INCLUDE_DIRECTORIES(alstream
1559                 PRIVATE ${SDL2_INCLUDE_DIR} ${SDL_SOUND_INCLUDE_DIR})
1560             TARGET_COMPILE_OPTIONS(alstream PRIVATE ${C_FLAGS})
1561             TARGET_LINK_LIBRARIES(alstream
1562                 PRIVATE ${LINKER_FLAGS} ${SDL_SOUND_LIBRARIES} ${SDL2_LIBRARY} ex-common common
1563                         OpenAL)
1564
1565             ADD_EXECUTABLE(alreverb examples/alreverb.c)
1566             TARGET_COMPILE_DEFINITIONS(alreverb PRIVATE ${CPP_DEFS})
1567             TARGET_INCLUDE_DIRECTORIES(alreverb
1568                 PRIVATE ${SDL2_INCLUDE_DIR} ${SDL_SOUND_INCLUDE_DIR})
1569             TARGET_COMPILE_OPTIONS(alreverb PRIVATE ${C_FLAGS})
1570             TARGET_LINK_LIBRARIES(alreverb
1571                 PRIVATE ${LINKER_FLAGS} ${SDL_SOUND_LIBRARIES} ${SDL2_LIBRARY} ex-common common
1572                         OpenAL)
1573
1574             ADD_EXECUTABLE(almultireverb examples/almultireverb.c)
1575             TARGET_COMPILE_DEFINITIONS(almultireverb PRIVATE ${CPP_DEFS})
1576             TARGET_INCLUDE_DIRECTORIES(almultireverb
1577                 PRIVATE ${SDL2_INCLUDE_DIR} ${SDL_SOUND_INCLUDE_DIR})
1578             TARGET_COMPILE_OPTIONS(almultireverb PRIVATE ${C_FLAGS})
1579             TARGET_LINK_LIBRARIES(almultireverb
1580                 PRIVATE ${LINKER_FLAGS} ${SDL_SOUND_LIBRARIES} ${SDL2_LIBRARY} ex-common common
1581                         OpenAL ${MATH_LIB})
1582
1583             ADD_EXECUTABLE(allatency examples/allatency.c)
1584             TARGET_COMPILE_DEFINITIONS(allatency PRIVATE ${CPP_DEFS})
1585             TARGET_INCLUDE_DIRECTORIES(allatency
1586                 PRIVATE ${SDL2_INCLUDE_DIR} ${SDL_SOUND_INCLUDE_DIR})
1587             TARGET_COMPILE_OPTIONS(allatency PRIVATE ${C_FLAGS})
1588             TARGET_LINK_LIBRARIES(allatency
1589                 PRIVATE ${LINKER_FLAGS} ${SDL_SOUND_LIBRARIES} ${SDL2_LIBRARY} ex-common common
1590                         OpenAL)
1591
1592             ADD_EXECUTABLE(alloopback examples/alloopback.c)
1593             TARGET_COMPILE_DEFINITIONS(alloopback PRIVATE ${CPP_DEFS})
1594             TARGET_INCLUDE_DIRECTORIES(alloopback
1595                 PRIVATE ${SDL2_INCLUDE_DIR} ${SDL_SOUND_INCLUDE_DIR})
1596             TARGET_COMPILE_OPTIONS(alloopback PRIVATE ${C_FLAGS})
1597             TARGET_LINK_LIBRARIES(alloopback
1598                 PRIVATE ${LINKER_FLAGS} ${SDL_SOUND_LIBRARIES} ${SDL2_LIBRARY} ex-common common
1599                         OpenAL ${MATH_LIB})
1600
1601             ADD_EXECUTABLE(alhrtf examples/alhrtf.c)
1602             TARGET_COMPILE_DEFINITIONS(alhrtf PRIVATE ${CPP_DEFS})
1603             TARGET_INCLUDE_DIRECTORIES(alhrtf
1604                 PRIVATE ${SDL2_INCLUDE_DIR} ${SDL_SOUND_INCLUDE_DIR})
1605             TARGET_COMPILE_OPTIONS(alhrtf PRIVATE ${C_FLAGS})
1606             TARGET_LINK_LIBRARIES(alhrtf
1607                 PRIVATE ${LINKER_FLAGS} ${SDL_SOUND_LIBRARIES} ${SDL2_LIBRARY} ex-common common
1608                         OpenAL ${MATH_LIB})
1609
1610             IF(ALSOFT_INSTALL)
1611                 INSTALL(TARGETS alplay alstream alreverb almultireverb allatency alloopback alhrtf
1612                         RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
1613                         LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
1614                         ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
1615                 )
1616             ENDIF()
1617
1618             MESSAGE(STATUS "Building SDL_sound example programs")
1619         ENDIF()
1620
1621         SET(FFVER_OK FALSE)
1622         IF(FFMPEG_FOUND)
1623             SET(FFVER_OK TRUE)
1624             IF(AVFORMAT_VERSION VERSION_LESS "57.56.101")
1625                 MESSAGE(STATUS "libavformat is too old! (${AVFORMAT_VERSION}, wanted 57.56.101)")
1626                 SET(FFVER_OK FALSE)
1627             ENDIF()
1628             IF(AVCODEC_VERSION VERSION_LESS "57.64.101")
1629                 MESSAGE(STATUS "libavcodec is too old! (${AVCODEC_VERSION}, wanted 57.64.101)")
1630                 SET(FFVER_OK FALSE)
1631             ENDIF()
1632             IF(AVUTIL_VERSION VERSION_LESS "55.34.101")
1633                 MESSAGE(STATUS "libavutil is too old! (${AVUTIL_VERSION}, wanted 55.34.101)")
1634                 SET(FFVER_OK FALSE)
1635             ENDIF()
1636             IF(SWSCALE_VERSION VERSION_LESS "4.2.100")
1637                 MESSAGE(STATUS "libswscale is too old! (${SWSCALE_VERSION}, wanted 4.2.100)")
1638                 SET(FFVER_OK FALSE)
1639             ENDIF()
1640             IF(SWRESAMPLE_VERSION VERSION_LESS "2.3.100")
1641                 MESSAGE(STATUS "libswresample is too old! (${SWRESAMPLE_VERSION}, wanted 2.3.100)")
1642                 SET(FFVER_OK FALSE)
1643             ENDIF()
1644         ENDIF()
1645         IF(FFVER_OK)
1646             ADD_EXECUTABLE(alffplay examples/alffplay.cpp)
1647             TARGET_COMPILE_DEFINITIONS(alffplay PRIVATE ${CPP_DEFS})
1648             TARGET_INCLUDE_DIRECTORIES(alffplay
1649                 PRIVATE ${SDL2_INCLUDE_DIR} ${FFMPEG_INCLUDE_DIRS})
1650             TARGET_COMPILE_OPTIONS(alffplay PRIVATE ${C_FLAGS})
1651             TARGET_LINK_LIBRARIES(alffplay
1652                 PRIVATE ${LINKER_FLAGS} ${SDL2_LIBRARY} ${FFMPEG_LIBRARIES} common OpenAL)
1653
1654             IF(ALSOFT_INSTALL)
1655                 INSTALL(TARGETS alffplay
1656                         RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
1657                         LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
1658                         ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
1659                 )
1660             ENDIF()
1661             MESSAGE(STATUS "Building SDL+FFmpeg example programs")
1662         ENDIF()
1663         MESSAGE(STATUS "")
1664     ENDIF()
1665 ENDIF()