CMakeLists.txt

   1 # CMake build file list for OpenAL
   2
   3 cmake_minimum_required(VERSION 3.0.2)
   4
   5 if(APPLE)
   6     # The workaround for try_compile failing with code signing
   7     # since cmake-3.18.2, not required
   8     set(CMAKE_TRY_COMPILE_PLATFORM_VARIABLES
   9         ${CMAKE_TRY_COMPILE_PLATFORM_VARIABLES}
  10         "CMAKE_XCODE_ATTRIBUTE_CODE_SIGNING_REQUIRED"
  11         "CMAKE_XCODE_ATTRIBUTE_CODE_SIGNING_ALLOWED")
  12     set(CMAKE_XCODE_ATTRIBUTE_CODE_SIGNING_REQUIRED NO)
  13     set(CMAKE_XCODE_ATTRIBUTE_CODE_SIGNING_ALLOWED NO)
  14 endif()
  15
  16 if(CMAKE_SYSTEM_NAME STREQUAL "iOS")
  17     # Fix compile failure with armv7 deployment target >= 11.0, xcode clang
  18     # will report:
  19     # error: invalid iOS deployment version '--target=armv7-apple-ios13.6',
  20     # iOS 10 is the maximum deployment target for 32-bit targets
  21     # If CMAKE_OSX_DEPLOYMENT_TARGET is not defined, cmake will choose latest
  22     # deployment target
  23     if("${CMAKE_OSX_ARCHITECTURES}" MATCHES ".*armv7.*")
  24         if(NOT DEFINED CMAKE_OSX_DEPLOYMENT_TARGET
  25             OR NOT CMAKE_OSX_DEPLOYMENT_TARGET VERSION_LESS "11.0")
  26             message(STATUS "Forcing iOS deployment target to 10.0 for armv7")
  27             set(CMAKE_OSX_DEPLOYMENT_TARGET "10.0" CACHE STRING "Minimum OS X deployment version"
  28                 FORCE)
  29         endif()
  30     endif()
  31 endif()
  32
  33 set(CMAKE_C_VISIBILITY_PRESET hidden)
  34 set(CMAKE_CXX_VISIBILITY_PRESET hidden)
  35
  36 if(COMMAND CMAKE_POLICY)
  37     cmake_policy(SET CMP0003 NEW)
  38     cmake_policy(SET CMP0005 NEW)
  39     if(POLICY CMP0020)
  40         cmake_policy(SET CMP0020 NEW)
  41     endif(POLICY CMP0020)
  42     if(POLICY CMP0042)
  43         cmake_policy(SET CMP0042 NEW)
  44     endif(POLICY CMP0042)
  45     if(POLICY CMP0054)
  46         cmake_policy(SET CMP0054 NEW)
  47     endif(POLICY CMP0054)
  48     if(POLICY CMP0058)
  49         cmake_policy(SET CMP0058 NEW)
  50     endif(POLICY CMP0058)
  51     if(POLICY CMP0063)
  52         cmake_policy(SET CMP0063 NEW)
  53     endif(POLICY CMP0063)
  54     if(POLICY CMP0075)
  55         cmake_policy(SET CMP0075 NEW)
  56     endif(POLICY CMP0075)
  57     if(POLICY CMP0092)
  58         cmake_policy(SET CMP0092 NEW)
  59     endif(POLICY CMP0092)
  60     if(POLICY CMP0117)
  61         cmake_policy(SET CMP0117 NEW)
  62     endif(POLICY CMP0117)
  63 endif(COMMAND CMAKE_POLICY)
  64
  65 project(OpenAL)
  66
  67 if(NOT CMAKE_BUILD_TYPE)
  68     set(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING
  69         "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel."
  70         FORCE)
  71 endif()
  72 if(NOT CMAKE_DEBUG_POSTFIX)
  73     set(CMAKE_DEBUG_POSTFIX "" CACHE STRING
  74         "Library postfix for debug builds. Normally left blank."
  75         FORCE)
  76 endif()
  77
  78 set(DEFAULT_TARGET_PROPS
  79     # Require C++14.
  80     CXX_STANDARD 14
  81     CXX_STANDARD_REQUIRED TRUE
  82     # Prefer C11, but support C99 and earlier when possible.
  83     C_STANDARD 11)
  84
  85 set(CMAKE_MODULE_PATH "${OpenAL_SOURCE_DIR}/cmake")
  86
  87 include(CheckFunctionExists)
  88 include(CheckLibraryExists)
  89 include(CheckIncludeFile)
  90 include(CheckIncludeFiles)
  91 include(CheckSymbolExists)
  92 include(CheckCCompilerFlag)
  93 include(CheckCXXCompilerFlag)
  94 include(CheckCSourceCompiles)
  95 include(CheckCXXSourceCompiles)
  96 include(CheckStructHasMember)
  97 include(CMakePackageConfigHelpers)
  98 include(GNUInstallDirs)
  99
 100 find_package(PkgConfig)
 101 find_package(SDL2 QUIET)
 102
 103
 104 option(ALSOFT_DLOPEN  "Check for the dlopen API for loading optional libs"  ON)
 105
 106 option(ALSOFT_WERROR  "Treat compile warnings as errors"      OFF)
 107
 108 option(ALSOFT_UTILS "Build utility programs"  ON)
 109 option(ALSOFT_NO_CONFIG_UTIL "Disable building the alsoft-config utility" OFF)
 110
 111 option(ALSOFT_EXAMPLES  "Build example programs"  ON)
 112
 113 option(ALSOFT_INSTALL "Install main library" ON)
 114 option(ALSOFT_INSTALL_CONFIG "Install alsoft.conf sample configuration file" ON)
 115 option(ALSOFT_INSTALL_HRTF_DATA "Install HRTF data files" ON)
 116 option(ALSOFT_INSTALL_AMBDEC_PRESETS "Install AmbDec preset files" ON)
 117 option(ALSOFT_INSTALL_EXAMPLES "Install example programs (alplay, alstream, ...)" ON)
 118 option(ALSOFT_INSTALL_UTILS "Install utility programs (openal-info, alsoft-config, ...)" ON)
 119 option(ALSOFT_UPDATE_BUILD_VERSION "Update git build version info" ON)
 120
 121 option(ALSOFT_EAX "Enable legacy EAX extensions" ${WIN32})
 122
 123 option(ALSOFT_SEARCH_INSTALL_DATADIR "Search the installation data directory" OFF)
 124 if(ALSOFT_SEARCH_INSTALL_DATADIR)
 125     set(ALSOFT_INSTALL_DATADIR ${CMAKE_INSTALL_FULL_DATADIR})
 126 endif()
 127
 128 if(DEFINED SHARE_INSTALL_DIR)
 129     message(WARNING "SHARE_INSTALL_DIR is deprecated.  Use the variables provided by the GNUInstallDirs module instead")
 130     set(CMAKE_INSTALL_DATADIR "${SHARE_INSTALL_DIR}")
 131 endif()
 132
 133 if(DEFINED LIB_SUFFIX)
 134     message(WARNING "LIB_SUFFIX is deprecated.  Use the variables provided by the GNUInstallDirs module instead")
 135 endif()
 136 if(DEFINED ALSOFT_CONFIG)
 137     message(WARNING "ALSOFT_CONFIG is deprecated. Use ALSOFT_INSTALL_CONFIG instead")
 138 endif()
 139 if(DEFINED ALSOFT_HRTF_DEFS)
 140     message(WARNING "ALSOFT_HRTF_DEFS is deprecated. Use ALSOFT_INSTALL_HRTF_DATA instead")
 141 endif()
 142 if(DEFINED ALSOFT_AMBDEC_PRESETS)
 143     message(WARNING "ALSOFT_AMBDEC_PRESETS is deprecated. Use ALSOFT_INSTALL_AMBDEC_PRESETS instead")
 144 endif()
 145
 146
 147 set(CPP_DEFS ) # C pre-processor, not C++
 148 set(INC_PATHS )
 149 set(C_FLAGS )
 150 set(LINKER_FLAGS )
 151 set(EXTRA_LIBS )
 152
 153 if(WIN32)
 154     set(CPP_DEFS ${CPP_DEFS} _WIN32 NOMINMAX)
 155     if(MINGW)
 156         set(CPP_DEFS ${CPP_DEFS} __USE_MINGW_ANSI_STDIO)
 157     endif()
 158
 159     option(ALSOFT_BUILD_ROUTER  "Build the router (EXPERIMENTAL; creates OpenAL32.dll and soft_oal.dll)"  OFF)
 160     if(MINGW)
 161         option(ALSOFT_BUILD_IMPORT_LIB "Build an import .lib using dlltool (requires sed)" ON)
 162     endif()
 163 elseif(APPLE)
 164     option(ALSOFT_OSX_FRAMEWORK "Build as macOS framework" OFF)
 165 endif()
 166
 167
 168 # QNX's gcc do not uses /usr/include and /usr/lib pathes by default
 169 if("${CMAKE_C_PLATFORM_ID}" STREQUAL "QNX")
 170     set(INC_PATHS ${INC_PATHS} /usr/include)
 171     set(LINKER_FLAGS ${LINKER_FLAGS} -L/usr/lib)
 172 endif()
 173
 174 # When the library is built for static linking, apps should define
 175 # AL_LIBTYPE_STATIC when including the AL headers.
 176 if(NOT LIBTYPE)
 177     set(LIBTYPE SHARED)
 178 endif()
 179
 180 set(LIB_MAJOR_VERSION "1")
 181 set(LIB_MINOR_VERSION "23")
 182 set(LIB_REVISION "1")
 183 set(LIB_VERSION "${LIB_MAJOR_VERSION}.${LIB_MINOR_VERSION}.${LIB_REVISION}")
 184 set(LIB_VERSION_NUM ${LIB_MAJOR_VERSION},${LIB_MINOR_VERSION},${LIB_REVISION},0)
 185
 186 set(EXPORT_DECL "")
 187
 188
 189 if(NOT WIN32)
 190     # Check if _POSIX_C_SOURCE and _XOPEN_SOURCE needs to be set for POSIX functions
 191     check_symbol_exists(posix_memalign stdlib.h HAVE_POSIX_MEMALIGN_DEFAULT)
 192     if(NOT HAVE_POSIX_MEMALIGN_DEFAULT)
 193         set(OLD_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
 194         set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -D_POSIX_C_SOURCE=200112L -D_XOPEN_SOURCE=600")
 195         check_symbol_exists(posix_memalign stdlib.h HAVE_POSIX_MEMALIGN_POSIX)
 196         if(NOT HAVE_POSIX_MEMALIGN_POSIX)
 197             set(CMAKE_REQUIRED_FLAGS ${OLD_REQUIRED_FLAGS})
 198         else()
 199             set(CPP_DEFS ${CPP_DEFS} _POSIX_C_SOURCE=200112L _XOPEN_SOURCE=600)
 200         endif()
 201     endif()
 202     unset(OLD_REQUIRED_FLAGS)
 203 endif()
 204
 205 # C99 has restrict, but C++ does not, so we can only utilize __restrict.
 206 check_cxx_source_compiles("int *__restrict foo;
 207 int main() { return 0; }" HAVE___RESTRICT)
 208 if(HAVE___RESTRICT)
 209     set(CPP_DEFS ${CPP_DEFS} RESTRICT=__restrict)
 210 else()
 211     set(CPP_DEFS ${CPP_DEFS} "RESTRICT=")
 212 endif()
 213
 214 # Some systems may need libatomic for atomic functions to work
 215 set(OLD_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
 216 set(CMAKE_REQUIRED_LIBRARIES ${OLD_REQUIRED_LIBRARIES} atomic)
 217 check_cxx_source_compiles("#include <atomic>
 218 std::atomic<int> foo{0};
 219 int main() { return foo.fetch_add(2); }"
 220 HAVE_LIBATOMIC)
 221 if(NOT HAVE_LIBATOMIC)
 222     set(CMAKE_REQUIRED_LIBRARIES "${OLD_REQUIRED_LIBRARIES}")
 223 else()
 224     set(EXTRA_LIBS atomic ${EXTRA_LIBS})
 225 endif()
 226 unset(OLD_REQUIRED_LIBRARIES)
 227
 228 if(ANDROID)
 229     # Include liblog for Android logging
 230     check_library_exists(log __android_log_print "" HAVE_LIBLOG)
 231     if(HAVE_LIBLOG)
 232         set(EXTRA_LIBS log ${EXTRA_LIBS})
 233         set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} log)
 234     endif()
 235 endif()
 236
 237 if(MSVC)
 238     set(CPP_DEFS ${CPP_DEFS} _CRT_SECURE_NO_WARNINGS)
 239     check_cxx_compiler_flag(/permissive- HAVE_PERMISSIVE_SWITCH)
 240     if(HAVE_PERMISSIVE_SWITCH)
 241         set(C_FLAGS ${C_FLAGS} $<$<COMPILE_LANGUAGE:CXX>:/permissive->)
 242     endif()
 243     set(C_FLAGS ${C_FLAGS} /W4 /w14640 /wd4065 /wd4127 /wd4268 /wd4324 /wd5030 /wd5051)
 244
 245     if(NOT DXSDK_DIR)
 246         string(REGEX REPLACE "\\\\" "/" DXSDK_DIR "$ENV{DXSDK_DIR}")
 247     else()
 248         string(REGEX REPLACE "\\\\" "/" DXSDK_DIR "${DXSDK_DIR}")
 249     endif()
 250     if(DXSDK_DIR)
 251         message(STATUS "Using DirectX SDK directory: ${DXSDK_DIR}")
 252     endif()
 253
 254     option(FORCE_STATIC_VCRT "Force /MT for static VC runtimes" OFF)
 255     if(FORCE_STATIC_VCRT)
 256         foreach(flag_var
 257                 CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
 258                 CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO
 259                 CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
 260                 CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
 261             if(${flag_var} MATCHES "/MD")
 262                 string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
 263             endif()
 264         endforeach(flag_var)
 265     endif()
 266 else()
 267     set(C_FLAGS ${C_FLAGS} -Winline -Wunused -Wall -Wextra -Wshadow -Wconversion -Wcast-align
 268         -Wpedantic
 269         $<$<COMPILE_LANGUAGE:CXX>:-Wold-style-cast -Wnon-virtual-dtor -Woverloaded-virtual>)
 270
 271     check_cxx_compiler_flag(-Wno-c++20-attribute-extensions HAVE_WNO_CXX20_ATTR_EXT)
 272     if(HAVE_WNO_CXX20_ATTR_EXT)
 273         set(C_FLAGS ${C_FLAGS} $<$<COMPILE_LANGUAGE:CXX>:-Wno-c++20-attribute-extensions>)
 274     else()
 275         check_cxx_compiler_flag(-Wno-c++20-extensions HAVE_WNO_CXX20_EXT)
 276         if(HAVE_WNO_CXX20_EXT)
 277             set(C_FLAGS ${C_FLAGS} $<$<COMPILE_LANGUAGE:CXX>:-Wno-c++20-extensions>)
 278         endif()
 279     endif()
 280
 281     if(ALSOFT_WERROR)
 282         set(C_FLAGS ${C_FLAGS} -Werror)
 283     endif()
 284
 285     # We want RelWithDebInfo to actually include debug stuff (define _DEBUG
 286     # instead of NDEBUG)
 287     foreach(flag_var  CMAKE_C_FLAGS_RELWITHDEBINFO CMAKE_CXX_FLAGS_RELWITHDEBINFO)
 288         if(${flag_var} MATCHES "-DNDEBUG")
 289             string(REGEX REPLACE "-DNDEBUG" "-D_DEBUG" ${flag_var} "${${flag_var}}")
 290         endif()
 291     endforeach()
 292
 293     check_c_compiler_flag(-fno-math-errno HAVE_FNO_MATH_ERRNO)
 294     if(HAVE_FNO_MATH_ERRNO)
 295         set(C_FLAGS ${C_FLAGS} -fno-math-errno)
 296     endif()
 297
 298     option(ALSOFT_STATIC_LIBGCC "Force -static-libgcc for static GCC runtimes" OFF)
 299     if(ALSOFT_STATIC_LIBGCC)
 300         set(OLD_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
 301         set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} -static-libgcc)
 302         check_cxx_source_compiles("int main() { }" HAVE_STATIC_LIBGCC_SWITCH)
 303         set(CMAKE_REQUIRED_LIBRARIES ${OLD_REQUIRED_LIBRARIES})
 304         unset(OLD_REQUIRED_LIBRARIES)
 305
 306         if(NOT HAVE_STATIC_LIBGCC_SWITCH)
 307             message(FATAL_ERROR "Cannot static link libgcc")
 308         endif()
 309         set(LINKER_FLAGS ${LINKER_FLAGS} -static-libgcc)
 310     endif()
 311
 312     option(ALSOFT_STATIC_STDCXX "Static link libstdc++" OFF)
 313     if(ALSOFT_STATIC_STDCXX)
 314         set(OLD_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
 315         set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} "-Wl,--push-state,-Bstatic,-lstdc++,--pop-state")
 316         check_cxx_source_compiles("int main() { }" HAVE_STATIC_LIBSTDCXX_SWITCH)
 317         set(CMAKE_REQUIRED_LIBRARIES ${OLD_REQUIRED_LIBRARIES})
 318         unset(OLD_REQUIRED_LIBRARIES)
 319
 320         if(NOT HAVE_STATIC_LIBSTDCXX_SWITCH)
 321             message(FATAL_ERROR "Cannot static link libstdc++")
 322         endif()
 323         set(LINKER_FLAGS ${LINKER_FLAGS} "-Wl,--push-state,-Bstatic,-lstdc++,--pop-state")
 324     endif()
 325
 326     if(WIN32)
 327         option(ALSOFT_STATIC_WINPTHREAD "Static link libwinpthread" OFF)
 328         if(ALSOFT_STATIC_WINPTHREAD)
 329             set(OLD_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
 330             set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} "-Wl,--push-state,-Bstatic,-lwinpthread,--pop-state")
 331             check_cxx_source_compiles("int main() { }" HAVE_STATIC_LIBWINPTHREAD_SWITCH)
 332             set(CMAKE_REQUIRED_LIBRARIES ${OLD_REQUIRED_LIBRARIES})
 333             unset(OLD_REQUIRED_LIBRARIES)
 334
 335             if(NOT HAVE_STATIC_LIBWINPTHREAD_SWITCH)
 336                 message(FATAL_ERROR "Cannot static link libwinpthread")
 337             endif()
 338             set(LINKER_FLAGS ${LINKER_FLAGS} "-Wl,--push-state,-Bstatic,-lwinpthread,--pop-state")
 339         endif()
 340     endif()
 341 endif()
 342
 343 # Set visibility/export options if available
 344 if(WIN32)
 345     if(NOT LIBTYPE STREQUAL "STATIC")
 346         set(EXPORT_DECL "__declspec(dllexport)")
 347     endif()
 348 else()
 349     set(OLD_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
 350     # Yes GCC, really don't accept visibility modes you don't support
 351     set(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS} -Wattributes -Werror")
 352
 353     check_c_source_compiles("int foo() __attribute__((visibility(\"protected\")));
 354                              int main() {return 0;}" HAVE_GCC_PROTECTED_VISIBILITY)
 355     if(HAVE_GCC_PROTECTED_VISIBILITY)
 356         if(NOT LIBTYPE STREQUAL "STATIC")
 357             set(EXPORT_DECL "__attribute__((visibility(\"protected\")))")
 358         endif()
 359     else()
 360         check_c_source_compiles("int foo() __attribute__((visibility(\"default\")));
 361                                  int main() {return 0;}" HAVE_GCC_DEFAULT_VISIBILITY)
 362         if(HAVE_GCC_DEFAULT_VISIBILITY)
 363             if(NOT LIBTYPE STREQUAL "STATIC")
 364                 set(EXPORT_DECL "__attribute__((visibility(\"default\")))")
 365             endif()
 366         endif()
 367     endif()
 368
 369     set(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS}")
 370 endif()
 371
 372
 373 set(SSE2_SWITCH "")
 374
 375 if(NOT MSVC)
 376     set(OLD_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
 377     # Yes GCC, really don't accept command line options you don't support
 378     set(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS} -Werror")
 379     check_c_compiler_flag(-msse2 HAVE_MSSE2_SWITCH)
 380     if(HAVE_MSSE2_SWITCH)
 381         set(SSE2_SWITCH "-msse2")
 382     endif()
 383     set(CMAKE_REQUIRED_FLAGS ${OLD_REQUIRED_FLAGS})
 384     unset(OLD_REQUIRED_FLAGS)
 385 endif()
 386
 387 check_include_file(xmmintrin.h HAVE_XMMINTRIN_H)
 388 check_include_file(emmintrin.h HAVE_EMMINTRIN_H)
 389 check_include_file(pmmintrin.h HAVE_PMMINTRIN_H)
 390 check_include_file(smmintrin.h HAVE_SMMINTRIN_H)
 391 check_include_file(arm_neon.h HAVE_ARM_NEON_H)
 392
 393 set(HAVE_SSE        0)
 394 set(HAVE_SSE2       0)
 395 set(HAVE_SSE3       0)
 396 set(HAVE_SSE4_1     0)
 397 set(HAVE_NEON       0)
 398
 399 # Check for SSE support
 400 option(ALSOFT_CPUEXT_SSE "Enable SSE support" ON)
 401 option(ALSOFT_REQUIRE_SSE "Require SSE support" OFF)
 402 if(ALSOFT_CPUEXT_SSE AND HAVE_XMMINTRIN_H)
 403     set(HAVE_SSE 1)
 404 endif()
 405 if(ALSOFT_REQUIRE_SSE AND NOT HAVE_SSE)
 406     message(FATAL_ERROR "Failed to enabled required SSE CPU extensions")
 407 endif()
 408
 409 option(ALSOFT_CPUEXT_SSE2 "Enable SSE2 support" ON)
 410 option(ALSOFT_REQUIRE_SSE2 "Require SSE2 support" OFF)
 411 if(ALSOFT_CPUEXT_SSE2 AND HAVE_SSE AND HAVE_EMMINTRIN_H)
 412     set(HAVE_SSE2 1)
 413 endif()
 414 if(ALSOFT_REQUIRE_SSE2 AND NOT HAVE_SSE2)
 415     message(FATAL_ERROR "Failed to enable required SSE2 CPU extensions")
 416 endif()
 417
 418 option(ALSOFT_CPUEXT_SSE3 "Enable SSE3 support" ON)
 419 option(ALSOFT_REQUIRE_SSE3 "Require SSE3 support" OFF)
 420 if(ALSOFT_CPUEXT_SSE3 AND HAVE_SSE2 AND HAVE_PMMINTRIN_H)
 421     set(HAVE_SSE3 1)
 422 endif()
 423 if(ALSOFT_REQUIRE_SSE3 AND NOT HAVE_SSE3)
 424     message(FATAL_ERROR "Failed to enable required SSE3 CPU extensions")
 425 endif()
 426
 427 option(ALSOFT_CPUEXT_SSE4_1 "Enable SSE4.1 support" ON)
 428 option(ALSOFT_REQUIRE_SSE4_1 "Require SSE4.1 support" OFF)
 429 if(ALSOFT_CPUEXT_SSE4_1 AND HAVE_SSE3 AND HAVE_SMMINTRIN_H)
 430     set(HAVE_SSE4_1 1)
 431 endif()
 432 if(ALSOFT_REQUIRE_SSE4_1 AND NOT HAVE_SSE4_1)
 433     message(FATAL_ERROR "Failed to enable required SSE4.1 CPU extensions")
 434 endif()
 435
 436 # Check for ARM Neon support
 437 option(ALSOFT_CPUEXT_NEON "Enable ARM NEON support" ON)
 438 option(ALSOFT_REQUIRE_NEON "Require ARM NEON support" OFF)
 439 if(ALSOFT_CPUEXT_NEON AND HAVE_ARM_NEON_H)
 440     check_c_source_compiles("#include <arm_neon.h>
 441         int main()
 442         {
 443             int32x4_t ret4 = vdupq_n_s32(0);
 444             return vgetq_lane_s32(ret4, 0);
 445         }" HAVE_NEON_INTRINSICS)
 446     if(HAVE_NEON_INTRINSICS)
 447         set(HAVE_NEON 1)
 448     endif()
 449 endif()
 450 if(ALSOFT_REQUIRE_NEON AND NOT HAVE_NEON)
 451     message(FATAL_ERROR "Failed to enabled required ARM NEON CPU extensions")
 452 endif()
 453
 454
 455 set(SSE_FLAGS )
 456 set(FPMATH_SET "0")
 457 if(CMAKE_SIZEOF_VOID_P MATCHES "4" AND HAVE_SSE2)
 458     option(ALSOFT_ENABLE_SSE2_CODEGEN "Enable SSE2 code generation instead of x87 for 32-bit targets." TRUE)
 459     if(ALSOFT_ENABLE_SSE2_CODEGEN)
 460         if(MSVC)
 461             check_c_compiler_flag("/arch:SSE2" HAVE_ARCH_SSE2)
 462             if(HAVE_ARCH_SSE2)
 463                 set(SSE_FLAGS ${SSE_FLAGS} "/arch:SSE2")
 464                 set(C_FLAGS ${C_FLAGS} ${SSE_FLAGS})
 465                 set(FPMATH_SET 2)
 466             endif()
 467         elseif(SSE2_SWITCH)
 468             check_c_compiler_flag("${SSE2_SWITCH} -mfpmath=sse" HAVE_MFPMATH_SSE_2)
 469             if(HAVE_MFPMATH_SSE_2)
 470                 set(SSE_FLAGS ${SSE_FLAGS} ${SSE2_SWITCH} -mfpmath=sse)
 471                 set(C_FLAGS ${C_FLAGS} ${SSE_FLAGS})
 472                 set(FPMATH_SET 2)
 473             endif()
 474             # SSE depends on a 16-byte aligned stack, and by default, GCC
 475             # assumes the stack is suitably aligned. Older Linux code or other
 476             # OSs don't guarantee this on 32-bit, so externally-callable
 477             # functions need to ensure an aligned stack.
 478             set(EXPORT_DECL "${EXPORT_DECL}__attribute__((force_align_arg_pointer))")
 479         endif()
 480     endif()
 481 endif()
 482
 483 if(HAVE_SSE2)
 484     set(OLD_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
 485     foreach(flag_var ${SSE_FLAGS})
 486         set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${flag_var}")
 487     endforeach()
 488
 489     check_c_source_compiles("#include <emmintrin.h>
 490         int main() {_mm_pause(); return 0;}" HAVE_SSE_INTRINSICS)
 491
 492     set(CMAKE_REQUIRED_FLAGS ${OLD_REQUIRED_FLAGS})
 493 endif()
 494
 495
 496 check_include_file(malloc.h HAVE_MALLOC_H)
 497 check_include_file(cpuid.h HAVE_CPUID_H)
 498 check_include_file(intrin.h HAVE_INTRIN_H)
 499 check_include_file(guiddef.h HAVE_GUIDDEF_H)
 500 if(NOT HAVE_GUIDDEF_H)
 501     check_include_file(initguid.h HAVE_INITGUID_H)
 502 endif()
 503
 504 # Some systems need libm for some math functions to work
 505 set(MATH_LIB )
 506 check_library_exists(m pow "" HAVE_LIBM)
 507 if(HAVE_LIBM)
 508     set(MATH_LIB ${MATH_LIB} m)
 509     set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} m)
 510 endif()
 511
 512 # Some systems need to link with -lrt for clock_gettime as used by the common
 513 # eaxmple functions.
 514 set(RT_LIB )
 515 check_library_exists(rt clock_gettime "" HAVE_LIBRT)
 516 if(HAVE_LIBRT)
 517     set(RT_LIB rt)
 518 endif()
 519
 520 # Check for the dlopen API (for dynamicly loading backend libs)
 521 if(ALSOFT_DLOPEN)
 522     check_include_file(dlfcn.h HAVE_DLFCN_H)
 523     check_library_exists(dl dlopen "" HAVE_LIBDL)
 524     if(HAVE_LIBDL)
 525         set(EXTRA_LIBS dl ${EXTRA_LIBS})
 526         set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} dl)
 527     endif()
 528 endif()
 529
 530 # Check for a cpuid intrinsic
 531 if(HAVE_CPUID_H)
 532     check_c_source_compiles("#include <cpuid.h>
 533         int main()
 534         {
 535             unsigned int eax, ebx, ecx, edx;
 536             return __get_cpuid(0, &eax, &ebx, &ecx, &edx);
 537         }" HAVE_GCC_GET_CPUID)
 538 endif()
 539 if(HAVE_INTRIN_H)
 540     check_c_source_compiles("#include <intrin.h>
 541         int main()
 542         {
 543             int regs[4];
 544             __cpuid(regs, 0);
 545             return regs[0];
 546         }" HAVE_CPUID_INTRINSIC)
 547 endif()
 548
 549 check_symbol_exists(posix_memalign   stdlib.h HAVE_POSIX_MEMALIGN)
 550 check_symbol_exists(_aligned_malloc  malloc.h HAVE__ALIGNED_MALLOC)
 551 check_symbol_exists(proc_pidpath     libproc.h HAVE_PROC_PIDPATH)
 552
 553 if(NOT WIN32)
 554     # We need pthreads outside of Windows, for semaphores. It's also used to
 555     # set the priority and name of threads, when possible.
 556     check_include_file(pthread.h HAVE_PTHREAD_H)
 557     if(NOT HAVE_PTHREAD_H)
 558         message(FATAL_ERROR "PThreads is required for non-Windows builds!")
 559     endif()
 560
 561     check_c_compiler_flag(-pthread HAVE_PTHREAD)
 562     if(HAVE_PTHREAD)
 563         set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -pthread")
 564         set(C_FLAGS ${C_FLAGS} -pthread)
 565         set(LINKER_FLAGS ${LINKER_FLAGS} -pthread)
 566     endif()
 567
 568     check_symbol_exists(pthread_setschedparam pthread.h HAVE_PTHREAD_SETSCHEDPARAM)
 569
 570     # Some systems need pthread_np.h to get pthread_setname_np
 571     check_include_files("pthread.h;pthread_np.h" HAVE_PTHREAD_NP_H)
 572     if(HAVE_PTHREAD_NP_H)
 573         check_symbol_exists(pthread_setname_np "pthread.h;pthread_np.h" HAVE_PTHREAD_SETNAME_NP)
 574         if(NOT HAVE_PTHREAD_SETNAME_NP)
 575             check_symbol_exists(pthread_set_name_np "pthread.h;pthread_np.h" HAVE_PTHREAD_SET_NAME_NP)
 576         endif()
 577     else()
 578         check_symbol_exists(pthread_setname_np pthread.h HAVE_PTHREAD_SETNAME_NP)
 579         if(NOT HAVE_PTHREAD_SETNAME_NP)
 580             check_symbol_exists(pthread_set_name_np pthread.h HAVE_PTHREAD_SET_NAME_NP)
 581         endif()
 582     endif()
 583 endif()
 584
 585 check_symbol_exists(getopt unistd.h HAVE_GETOPT)
 586
 587
 588 # Common sources used by both the OpenAL implementation library, the OpenAL
 589 # router, and certain tools and examples.
 590 set(COMMON_OBJS
 591     common/albit.h
 592     common/albyte.h
 593     common/alcomplex.cpp
 594     common/alcomplex.h
 595     common/aldeque.h
 596     common/alfstream.cpp
 597     common/alfstream.h
 598     common/almalloc.cpp
 599     common/almalloc.h
 600     common/alnumbers.h
 601     common/alnumeric.h
 602     common/aloptional.h
 603     common/alspan.h
 604     common/alstring.cpp
 605     common/alstring.h
 606     common/altraits.h
 607     common/atomic.h
 608     common/comptr.h
 609     common/dynload.cpp
 610     common/dynload.h
 611     common/intrusive_ptr.h
 612     common/opthelpers.h
 613     common/phase_shifter.h
 614     common/polyphase_resampler.cpp
 615     common/polyphase_resampler.h
 616     common/pragmadefs.h
 617     common/ringbuffer.cpp
 618     common/ringbuffer.h
 619     common/strutils.cpp
 620     common/strutils.h
 621     common/threads.cpp
 622     common/threads.h
 623     common/vecmat.h
 624     common/vector.h)
 625
 626 # Core library routines
 627 set(CORE_OBJS
 628     core/ambdec.cpp
 629     core/ambdec.h
 630     core/ambidefs.cpp
 631     core/ambidefs.h
 632     core/async_event.h
 633     core/bformatdec.cpp
 634     core/bformatdec.h
 635     core/bs2b.cpp
 636     core/bs2b.h
 637     core/bsinc_defs.h
 638     core/bsinc_tables.cpp
 639     core/bsinc_tables.h
 640     core/bufferline.h
 641     core/buffer_storage.cpp
 642     core/buffer_storage.h
 643     core/context.cpp
 644     core/context.h
 645     core/converter.cpp
 646     core/converter.h
 647     core/cpu_caps.cpp
 648     core/cpu_caps.h
 649     core/cubic_defs.h
 650     core/cubic_tables.cpp
 651     core/cubic_tables.h
 652     core/devformat.cpp
 653     core/devformat.h
 654     core/device.cpp
 655     core/device.h
 656     core/effects/base.h
 657     core/effectslot.cpp
 658     core/effectslot.h
 659     core/except.cpp
 660     core/except.h
 661     core/filters/biquad.h
 662     core/filters/biquad.cpp
 663     core/filters/nfc.cpp
 664     core/filters/nfc.h
 665     core/filters/splitter.cpp
 666     core/filters/splitter.h
 667     core/fmt_traits.cpp
 668     core/fmt_traits.h
 669     core/fpu_ctrl.cpp
 670     core/fpu_ctrl.h
 671     core/front_stablizer.h
 672     core/helpers.cpp
 673     core/helpers.h
 674     core/hrtf.cpp
 675     core/hrtf.h
 676     core/logging.cpp
 677     core/logging.h
 678     core/mastering.cpp
 679     core/mastering.h
 680     core/mixer.cpp
 681     core/mixer.h
 682     core/resampler_limits.h
 683     core/uhjfilter.cpp
 684     core/uhjfilter.h
 685     core/uiddefs.cpp
 686     core/voice.cpp
 687     core/voice.h
 688     core/voice_change.h)
 689
 690 set(HAVE_RTKIT 0)
 691 if(NOT WIN32)
 692     option(ALSOFT_RTKIT "Enable RTKit support" ON)
 693     option(ALSOFT_REQUIRE_RTKIT "Require RTKit/D-Bus support" FALSE)
 694     if(ALSOFT_RTKIT)
 695         find_package(DBus1 QUIET)
 696         if(NOT DBus1_FOUND AND PkgConfig_FOUND)
 697             pkg_check_modules(DBUS dbus-1)
 698         endif()
 699         if(DBus1_FOUND OR DBUS_FOUND)
 700             set(HAVE_RTKIT 1)
 701             set(CORE_OBJS ${CORE_OBJS} core/dbus_wrap.cpp core/dbus_wrap.h
 702                 core/rtkit.cpp core/rtkit.h)
 703             if(NOT DBus1_FOUND)
 704                 set(INC_PATHS ${INC_PATHS} ${DBUS_INCLUDE_DIRS})
 705                 set(CPP_DEFS ${CPP_DEFS} ${DBUS_CFLAGS_OTHER})
 706                 if(NOT HAVE_DLFCN_H)
 707                     set(EXTRA_LIBS ${EXTRA_LIBS} ${DBUS_LINK_LIBRARIES})
 708                 endif()
 709             elseif(HAVE_DLFCN_H)
 710                 set(INC_PATHS ${INC_PATHS} ${DBus1_INCLUDE_DIRS})
 711                 set(CPP_DEFS ${CPP_DEFS} ${DBus1_DEFINITIONS})
 712             else()
 713                 set(EXTRA_LIBS ${EXTRA_LIBS} ${DBus1_LIBRARIES})
 714             endif()
 715         endif()
 716     else()
 717         set(MISSING_VARS "")
 718         if(NOT DBus1_INCLUDE_DIRS)
 719             set(MISSING_VARS "${MISSING_VARS} DBus1_INCLUDE_DIRS")
 720         endif()
 721         if(NOT DBus1_LIBRARIES)
 722             set(MISSING_VARS "${MISSING_VARS} DBus1_LIBRARIES")
 723         endif()
 724         message(STATUS "Could NOT find DBus1 (missing:${MISSING_VARS})")
 725         unset(MISSING_VARS)
 726     endif()
 727 endif()
 728 if(ALSOFT_REQUIRE_RTKIT AND NOT HAVE_RTKIT)
 729     message(FATAL_ERROR "Failed to enabled required RTKit support")
 730 endif()
 731
 732 # Default mixers, always available
 733 set(CORE_OBJS ${CORE_OBJS}
 734     core/mixer/defs.h
 735     core/mixer/hrtfbase.h
 736     core/mixer/hrtfdefs.h
 737     core/mixer/mixer_c.cpp)
 738
 739 # AL and related routines
 740 set(OPENAL_OBJS
 741     al/auxeffectslot.cpp
 742     al/auxeffectslot.h
 743     al/buffer.cpp
 744     al/buffer.h
 745     al/effect.cpp
 746     al/effect.h
 747     al/effects/autowah.cpp
 748     al/effects/chorus.cpp
 749     al/effects/compressor.cpp
 750     al/effects/convolution.cpp
 751     al/effects/dedicated.cpp
 752     al/effects/distortion.cpp
 753     al/effects/echo.cpp
 754     al/effects/effects.cpp
 755     al/effects/effects.h
 756     al/effects/equalizer.cpp
 757     al/effects/fshifter.cpp
 758     al/effects/modulator.cpp
 759     al/effects/null.cpp
 760     al/effects/pshifter.cpp
 761     al/effects/reverb.cpp
 762     al/effects/vmorpher.cpp
 763     al/error.cpp
 764     al/event.cpp
 765     al/event.h
 766     al/extension.cpp
 767     al/filter.cpp
 768     al/filter.h
 769     al/listener.cpp
 770     al/listener.h
 771     al/source.cpp
 772     al/source.h
 773     al/state.cpp)
 774
 775 # ALC and related routines
 776 set(ALC_OBJS
 777     alc/alc.cpp
 778     alc/alu.cpp
 779     alc/alu.h
 780     alc/alconfig.cpp
 781     alc/alconfig.h
 782     alc/context.cpp
 783     alc/context.h
 784     alc/device.cpp
 785     alc/device.h
 786     alc/effects/base.h
 787     alc/effects/autowah.cpp
 788     alc/effects/chorus.cpp
 789     alc/effects/compressor.cpp
 790     alc/effects/convolution.cpp
 791     alc/effects/dedicated.cpp
 792     alc/effects/distortion.cpp
 793     alc/effects/echo.cpp
 794     alc/effects/equalizer.cpp
 795     alc/effects/fshifter.cpp
 796     alc/effects/modulator.cpp
 797     alc/effects/null.cpp
 798     alc/effects/pshifter.cpp
 799     alc/effects/reverb.cpp
 800     alc/effects/vmorpher.cpp
 801     alc/inprogext.h
 802     alc/panning.cpp)
 803
 804 if(ALSOFT_EAX)
 805     set(OPENAL_OBJS
 806         ${OPENAL_OBJS}
 807         al/eax/api.cpp
 808         al/eax/api.h
 809         al/eax/call.cpp
 810         al/eax/call.h
 811         al/eax/effect.h
 812         al/eax/exception.cpp
 813         al/eax/exception.h
 814         al/eax/fx_slot_index.cpp
 815         al/eax/fx_slot_index.h
 816         al/eax/fx_slots.cpp
 817         al/eax/fx_slots.h
 818         al/eax/globals.cpp
 819         al/eax/globals.h
 820         al/eax/utils.cpp
 821         al/eax/utils.h
 822         al/eax/x_ram.h
 823     )
 824 endif()
 825
 826 # Include SIMD mixers
 827 set(CPU_EXTS "Default")
 828 if(HAVE_SSE)
 829     set(CORE_OBJS  ${CORE_OBJS} core/mixer/mixer_sse.cpp)
 830     set(CPU_EXTS "${CPU_EXTS}, SSE")
 831 endif()
 832 if(HAVE_SSE2)
 833     set(CORE_OBJS  ${CORE_OBJS} core/mixer/mixer_sse2.cpp)
 834     set(CPU_EXTS "${CPU_EXTS}, SSE2")
 835 endif()
 836 if(HAVE_SSE3)
 837     set(CORE_OBJS  ${CORE_OBJS} core/mixer/mixer_sse3.cpp)
 838     set(CPU_EXTS "${CPU_EXTS}, SSE3")
 839 endif()
 840 if(HAVE_SSE4_1)
 841     set(CORE_OBJS  ${CORE_OBJS} core/mixer/mixer_sse41.cpp)
 842     set(CPU_EXTS "${CPU_EXTS}, SSE4.1")
 843 endif()
 844 if(HAVE_NEON)
 845     set(CORE_OBJS  ${CORE_OBJS} core/mixer/mixer_neon.cpp)
 846     set(CPU_EXTS "${CPU_EXTS}, Neon")
 847 endif()
 848
 849
 850 set(HAVE_ALSA       0)
 851 set(HAVE_OSS        0)
 852 set(HAVE_PIPEWIRE   0)
 853 set(HAVE_SOLARIS    0)
 854 set(HAVE_SNDIO      0)
 855 set(HAVE_DSOUND     0)
 856 set(HAVE_WASAPI     0)
 857 set(HAVE_WINMM      0)
 858 set(HAVE_PORTAUDIO  0)
 859 set(HAVE_PULSEAUDIO 0)
 860 set(HAVE_COREAUDIO  0)
 861 set(HAVE_OPENSL     0)
 862 set(HAVE_OBOE       0)
 863 set(HAVE_WAVE       0)
 864 set(HAVE_SDL2       0)
 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  ${ALC_OBJS}
 879     alc/backends/base.cpp
 880     alc/backends/base.h
 881     # Default backends, always available
 882     alc/backends/loopback.cpp
 883     alc/backends/loopback.h
 884     alc/backends/null.cpp
 885     alc/backends/null.h
 886 )
 887
 888 # Check PipeWire backend
 889 option(ALSOFT_BACKEND_PIPEWIRE "Enable PipeWire backend" ON)
 890 option(ALSOFT_REQUIRE_PIPEWIRE "Require PipeWire backend" OFF)
 891 if(ALSOFT_BACKEND_PIPEWIRE AND PkgConfig_FOUND)
 892     pkg_check_modules(PIPEWIRE libpipewire-0.3>=0.3.23)
 893     if(PIPEWIRE_FOUND)
 894         set(HAVE_PIPEWIRE 1)
 895         set(BACKENDS  "${BACKENDS} PipeWire${IS_LINKED},")
 896         set(ALC_OBJS  ${ALC_OBJS} alc/backends/pipewire.cpp alc/backends/pipewire.h)
 897         add_backend_libs(${PIPEWIRE_LIBRARIES})
 898         set(INC_PATHS ${INC_PATHS} ${PIPEWIRE_INCLUDE_DIRS})
 899     endif()
 900 endif()
 901 if(ALSOFT_REQUIRE_PIPEWIRE AND NOT HAVE_PIPEWIRE)
 902     message(FATAL_ERROR "Failed to enabled required PipeWire backend")
 903 endif()
 904
 905 # Check PulseAudio backend
 906 option(ALSOFT_BACKEND_PULSEAUDIO "Enable PulseAudio backend" ON)
 907 option(ALSOFT_REQUIRE_PULSEAUDIO "Require PulseAudio backend" OFF)
 908 if(ALSOFT_BACKEND_PULSEAUDIO)
 909     find_package(PulseAudio)
 910     if(PULSEAUDIO_FOUND)
 911         set(HAVE_PULSEAUDIO 1)
 912         set(BACKENDS  "${BACKENDS} PulseAudio${IS_LINKED},")
 913         set(ALC_OBJS  ${ALC_OBJS} alc/backends/pulseaudio.cpp alc/backends/pulseaudio.h)
 914         add_backend_libs(${PULSEAUDIO_LIBRARY})
 915         set(INC_PATHS ${INC_PATHS} ${PULSEAUDIO_INCLUDE_DIR})
 916     endif()
 917 endif()
 918 if(ALSOFT_REQUIRE_PULSEAUDIO AND NOT HAVE_PULSEAUDIO)
 919     message(FATAL_ERROR "Failed to enabled required PulseAudio backend")
 920 endif()
 921
 922 if(NOT WIN32)
 923     # Check ALSA backend
 924     option(ALSOFT_BACKEND_ALSA "Enable ALSA backend" ON)
 925     option(ALSOFT_REQUIRE_ALSA "Require ALSA backend" OFF)
 926     if(ALSOFT_BACKEND_ALSA)
 927         find_package(ALSA)
 928         if(ALSA_FOUND)
 929             set(HAVE_ALSA 1)
 930             set(BACKENDS  "${BACKENDS} ALSA${IS_LINKED},")
 931             set(ALC_OBJS  ${ALC_OBJS} alc/backends/alsa.cpp alc/backends/alsa.h)
 932             add_backend_libs(${ALSA_LIBRARIES})
 933             set(INC_PATHS ${INC_PATHS} ${ALSA_INCLUDE_DIRS})
 934         endif()
 935     endif()
 936
 937     # Check OSS backend
 938     option(ALSOFT_BACKEND_OSS "Enable OSS backend" ON)
 939     option(ALSOFT_REQUIRE_OSS "Require OSS backend" OFF)
 940     if(ALSOFT_BACKEND_OSS)
 941         find_package(OSS)
 942         if(OSS_FOUND)
 943             set(HAVE_OSS 1)
 944             set(BACKENDS  "${BACKENDS} OSS,")
 945             set(ALC_OBJS  ${ALC_OBJS} alc/backends/oss.cpp alc/backends/oss.h)
 946             if(OSS_LIBRARIES)
 947                 set(EXTRA_LIBS ${OSS_LIBRARIES} ${EXTRA_LIBS})
 948             endif()
 949             set(INC_PATHS ${INC_PATHS} ${OSS_INCLUDE_DIRS})
 950         endif()
 951     endif()
 952
 953     # Check Solaris backend
 954     option(ALSOFT_BACKEND_SOLARIS "Enable Solaris backend" ON)
 955     option(ALSOFT_REQUIRE_SOLARIS "Require Solaris backend" OFF)
 956     if(ALSOFT_BACKEND_SOLARIS)
 957         find_package(AudioIO)
 958         if(AUDIOIO_FOUND)
 959             set(HAVE_SOLARIS 1)
 960             set(BACKENDS  "${BACKENDS} Solaris,")
 961             set(ALC_OBJS  ${ALC_OBJS} alc/backends/solaris.cpp alc/backends/solaris.h)
 962             set(INC_PATHS ${INC_PATHS} ${AUDIOIO_INCLUDE_DIRS})
 963         endif()
 964     endif()
 965
 966     # Check SndIO backend
 967     option(ALSOFT_BACKEND_SNDIO "Enable SndIO backend" ON)
 968     option(ALSOFT_REQUIRE_SNDIO "Require SndIO backend" OFF)
 969     if(ALSOFT_BACKEND_SNDIO)
 970         find_package(SoundIO)
 971         if(SOUNDIO_FOUND)
 972             set(HAVE_SNDIO 1)
 973             set(BACKENDS  "${BACKENDS} SndIO (linked),")
 974             set(ALC_OBJS  ${ALC_OBJS} alc/backends/sndio.cpp alc/backends/sndio.h)
 975             set(EXTRA_LIBS ${SOUNDIO_LIBRARIES} ${EXTRA_LIBS})
 976             set(INC_PATHS ${INC_PATHS} ${SOUNDIO_INCLUDE_DIRS})
 977         endif()
 978     endif()
 979 endif()
 980 if(ALSOFT_REQUIRE_ALSA AND NOT HAVE_ALSA)
 981     message(FATAL_ERROR "Failed to enabled required ALSA backend")
 982 endif()
 983 if(ALSOFT_REQUIRE_OSS AND NOT HAVE_OSS)
 984     message(FATAL_ERROR "Failed to enabled required OSS backend")
 985 endif()
 986 if(ALSOFT_REQUIRE_SOLARIS AND NOT HAVE_SOLARIS)
 987     message(FATAL_ERROR "Failed to enabled required Solaris backend")
 988 endif()
 989 if(ALSOFT_REQUIRE_SNDIO AND NOT HAVE_SNDIO)
 990     message(FATAL_ERROR "Failed to enabled required SndIO backend")
 991 endif()
 992
 993 # Check Windows-only backends
 994 if(WIN32)
 995     # Check MMSystem backend
 996     option(ALSOFT_BACKEND_WINMM "Enable Windows Multimedia backend" ON)
 997     option(ALSOFT_REQUIRE_WINMM "Require Windows Multimedia backend" OFF)
 998     if(ALSOFT_BACKEND_WINMM)
 999         set(HAVE_WINMM 1)
1000         set(BACKENDS "${BACKENDS} WinMM,")
1001         set(ALC_OBJS ${ALC_OBJS} alc/backends/winmm.cpp alc/backends/winmm.h)
1002         # There doesn't seem to be good way to search for winmm.lib for MSVC.
1003         # find_library doesn't find it without being told to look in a specific
1004         # place in the WindowsSDK, but it links anyway. If there ends up being
1005         # Windows targets without this, another means to detect it is needed.
1006         set(EXTRA_LIBS winmm ${EXTRA_LIBS})
1007     endif()
1008
1009     # Check DSound backend
1010     option(ALSOFT_BACKEND_DSOUND "Enable DirectSound backend" ON)
1011     option(ALSOFT_REQUIRE_DSOUND "Require DirectSound backend" OFF)
1012     if(ALSOFT_BACKEND_DSOUND)
1013         check_include_file(dsound.h HAVE_DSOUND_H)
1014         if(DXSDK_DIR)
1015             find_path(DSOUND_INCLUDE_DIR NAMES "dsound.h"
1016                 PATHS "${DXSDK_DIR}" PATH_SUFFIXES include
1017                 DOC "The DirectSound include directory")
1018         endif()
1019         if(HAVE_DSOUND_H OR DSOUND_INCLUDE_DIR)
1020             set(HAVE_DSOUND 1)
1021             set(BACKENDS "${BACKENDS} DirectSound,")
1022             set(ALC_OBJS ${ALC_OBJS} alc/backends/dsound.cpp alc/backends/dsound.h)
1023
1024             if(NOT HAVE_DSOUND_H)
1025                 set(INC_PATHS ${INC_PATHS} ${DSOUND_INCLUDE_DIR})
1026             endif()
1027         endif()
1028     endif()
1029
1030     # Check for WASAPI backend
1031     option(ALSOFT_BACKEND_WASAPI "Enable WASAPI backend" ON)
1032     option(ALSOFT_REQUIRE_WASAPI "Require WASAPI backend" OFF)
1033     if(ALSOFT_BACKEND_WASAPI)
1034         check_include_file(mmdeviceapi.h HAVE_MMDEVICEAPI_H)
1035         if(HAVE_MMDEVICEAPI_H)
1036             set(HAVE_WASAPI 1)
1037             set(BACKENDS  "${BACKENDS} WASAPI,")
1038             set(ALC_OBJS  ${ALC_OBJS} alc/backends/wasapi.cpp alc/backends/wasapi.h)
1039         endif()
1040     endif()
1041 endif()
1042 if(ALSOFT_REQUIRE_WINMM AND NOT HAVE_WINMM)
1043     message(FATAL_ERROR "Failed to enabled required WinMM backend")
1044 endif()
1045 if(ALSOFT_REQUIRE_DSOUND AND NOT HAVE_DSOUND)
1046     message(FATAL_ERROR "Failed to enabled required DSound backend")
1047 endif()
1048 if(ALSOFT_REQUIRE_WASAPI AND NOT HAVE_WASAPI)
1049     message(FATAL_ERROR "Failed to enabled required WASAPI backend")
1050 endif()
1051
1052 # Check JACK backend
1053 option(ALSOFT_BACKEND_JACK "Enable JACK backend" ON)
1054 option(ALSOFT_REQUIRE_JACK "Require JACK backend" OFF)
1055 if(ALSOFT_BACKEND_JACK)
1056     find_package(JACK)
1057     if(JACK_FOUND)
1058         set(HAVE_JACK 1)
1059         set(BACKENDS  "${BACKENDS} JACK${IS_LINKED},")
1060         set(ALC_OBJS  ${ALC_OBJS} alc/backends/jack.cpp alc/backends/jack.h)
1061         add_backend_libs(${JACK_LIBRARIES})
1062         set(INC_PATHS ${INC_PATHS} ${JACK_INCLUDE_DIRS})
1063     endif()
1064 endif()
1065 if(ALSOFT_REQUIRE_JACK AND NOT HAVE_JACK)
1066     message(FATAL_ERROR "Failed to enabled required JACK backend")
1067 endif()
1068
1069 # Check CoreAudio backend
1070 option(ALSOFT_BACKEND_COREAUDIO "Enable CoreAudio backend" ON)
1071 option(ALSOFT_REQUIRE_COREAUDIO "Require CoreAudio backend" OFF)
1072 if(ALSOFT_BACKEND_COREAUDIO)
1073     find_library(COREAUDIO_FRAMEWORK NAMES CoreAudio)
1074     find_path(AUDIOUNIT_INCLUDE_DIR NAMES AudioUnit/AudioUnit.h)
1075     if(COREAUDIO_FRAMEWORK AND AUDIOUNIT_INCLUDE_DIR)
1076         set(HAVE_COREAUDIO 1)
1077         set(ALC_OBJS  ${ALC_OBJS} alc/backends/coreaudio.cpp alc/backends/coreaudio.h)
1078         set(BACKENDS  "${BACKENDS} CoreAudio,")
1079
1080         set(EXTRA_LIBS -Wl,-framework,CoreAudio ${EXTRA_LIBS})
1081         if(CMAKE_SYSTEM_NAME MATCHES "^(iOS|tvOS)$")
1082             find_library(COREFOUNDATION_FRAMEWORK NAMES CoreFoundation)
1083             if(COREFOUNDATION_FRAMEWORK)
1084                 set(EXTRA_LIBS -Wl,-framework,CoreFoundation ${EXTRA_LIBS})
1085             endif()
1086         else()
1087             set(EXTRA_LIBS -Wl,-framework,AudioUnit,-framework,ApplicationServices ${EXTRA_LIBS})
1088         endif()
1089
1090         # Some versions of OSX may need the AudioToolbox framework. Add it if
1091         # it's found.
1092         find_library(AUDIOTOOLBOX_LIBRARY NAMES AudioToolbox)
1093         if(AUDIOTOOLBOX_LIBRARY)
1094             set(EXTRA_LIBS -Wl,-framework,AudioToolbox ${EXTRA_LIBS})
1095         endif()
1096
1097         set(INC_PATHS ${INC_PATHS} ${AUDIOUNIT_INCLUDE_DIR})
1098     endif()
1099 endif()
1100 if(ALSOFT_REQUIRE_COREAUDIO AND NOT HAVE_COREAUDIO)
1101     message(FATAL_ERROR "Failed to enabled required CoreAudio backend")
1102 endif()
1103
1104 # Check for Oboe (Android) backend
1105 option(ALSOFT_BACKEND_OBOE "Enable Oboe backend" ON)
1106 option(ALSOFT_REQUIRE_OBOE "Require Oboe backend" OFF)
1107 if(ALSOFT_BACKEND_OBOE)
1108     set(OBOE_TARGET )
1109     if(ANDROID)
1110         set(OBOE_SOURCE "" CACHE STRING "Source directory for Oboe.")
1111         if(OBOE_SOURCE)
1112             add_subdirectory(${OBOE_SOURCE} ./oboe)
1113             set(OBOE_TARGET oboe)
1114         else()
1115             find_package(oboe CONFIG)
1116             if(NOT TARGET oboe::oboe)
1117                 find_package(Oboe)
1118             endif()
1119             if(TARGET oboe::oboe)
1120                 set(OBOE_TARGET "oboe::oboe")
1121             endif()
1122         endif()
1123     endif()
1124
1125     if(OBOE_TARGET)
1126         set(HAVE_OBOE 1)
1127         set(ALC_OBJS  ${ALC_OBJS} alc/backends/oboe.cpp alc/backends/oboe.h)
1128         set(BACKENDS  "${BACKENDS} Oboe,")
1129         set(EXTRA_LIBS ${OBOE_TARGET} ${EXTRA_LIBS})
1130     endif()
1131 endif()
1132 if(ALSOFT_REQUIRE_OBOE AND NOT HAVE_OBOE)
1133     message(FATAL_ERROR "Failed to enabled required Oboe backend")
1134 endif()
1135
1136 # Check for OpenSL (Android) backend
1137 option(ALSOFT_BACKEND_OPENSL "Enable OpenSL backend" ON)
1138 option(ALSOFT_REQUIRE_OPENSL "Require OpenSL backend" OFF)
1139 if(ALSOFT_BACKEND_OPENSL)
1140     find_package(OpenSL)
1141     if(OPENSL_FOUND)
1142         set(HAVE_OPENSL 1)
1143         set(ALC_OBJS  ${ALC_OBJS} alc/backends/opensl.cpp alc/backends/opensl.h)
1144         set(BACKENDS  "${BACKENDS} OpenSL,")
1145         set(EXTRA_LIBS "OpenSL::OpenSLES" ${EXTRA_LIBS})
1146     endif()
1147 endif()
1148 if(ALSOFT_REQUIRE_OPENSL AND NOT HAVE_OPENSL)
1149     message(FATAL_ERROR "Failed to enabled required OpenSL backend")
1150 endif()
1151
1152 # Check PortAudio backend
1153 option(ALSOFT_BACKEND_PORTAUDIO "Enable PortAudio backend" ON)
1154 option(ALSOFT_REQUIRE_PORTAUDIO "Require PortAudio backend" OFF)
1155 if(ALSOFT_BACKEND_PORTAUDIO)
1156     find_package(PortAudio)
1157     if(PORTAUDIO_FOUND)
1158         set(HAVE_PORTAUDIO 1)
1159         set(BACKENDS  "${BACKENDS} PortAudio${IS_LINKED},")
1160         set(ALC_OBJS  ${ALC_OBJS} alc/backends/portaudio.cpp alc/backends/portaudio.h)
1161         add_backend_libs(${PORTAUDIO_LIBRARIES})
1162         set(INC_PATHS ${INC_PATHS} ${PORTAUDIO_INCLUDE_DIRS})
1163     endif()
1164 endif()
1165 if(ALSOFT_REQUIRE_PORTAUDIO AND NOT HAVE_PORTAUDIO)
1166     message(FATAL_ERROR "Failed to enabled required PortAudio backend")
1167 endif()
1168
1169 # Check for SDL2 backend
1170 # Off by default, since it adds a runtime dependency
1171 option(ALSOFT_BACKEND_SDL2 "Enable SDL2 backend" OFF)
1172 option(ALSOFT_REQUIRE_SDL2 "Require SDL2 backend" OFF)
1173 if(ALSOFT_BACKEND_SDL2)
1174     if(SDL2_FOUND)
1175         set(HAVE_SDL2 1)
1176         set(ALC_OBJS  ${ALC_OBJS} alc/backends/sdl2.cpp alc/backends/sdl2.h)
1177         set(BACKENDS  "${BACKENDS} SDL2,")
1178         set(EXTRA_LIBS ${EXTRA_LIBS} SDL2::SDL2)
1179     else()
1180         message(STATUS "Could NOT find SDL2")
1181     endif()
1182 endif()
1183 if(ALSOFT_REQUIRE_SDL2 AND NOT SDL2_FOUND)
1184     message(FATAL_ERROR "Failed to enabled required SDL2 backend")
1185 endif()
1186
1187 # Optionally enable the Wave Writer backend
1188 option(ALSOFT_BACKEND_WAVE "Enable Wave Writer backend" ON)
1189 if(ALSOFT_BACKEND_WAVE)
1190     set(HAVE_WAVE 1)
1191     set(ALC_OBJS  ${ALC_OBJS} alc/backends/wave.cpp alc/backends/wave.h)
1192     set(BACKENDS  "${BACKENDS} WaveFile,")
1193 endif()
1194
1195 # This is always available
1196 set(BACKENDS  "${BACKENDS} Null")
1197
1198
1199 find_package(Git)
1200 if(ALSOFT_UPDATE_BUILD_VERSION AND GIT_FOUND AND EXISTS "${OpenAL_SOURCE_DIR}/.git")
1201     set(GIT_DIR "${OpenAL_SOURCE_DIR}/.git")
1202
1203     # Check if this is a submodule, if it is then find the .git directory
1204     if(NOT IS_DIRECTORY "${OpenAL_SOURCE_DIR}/.git")
1205         file(READ ${GIT_DIR} submodule)
1206         string(REGEX REPLACE "gitdir: (.*)$" "\\1" GIT_DIR_RELATIVE ${submodule})
1207         string(STRIP ${GIT_DIR_RELATIVE} GIT_DIR_RELATIVE)
1208         get_filename_component(SUBMODULE_DIR ${GIT_DIR} PATH)
1209         get_filename_component(GIT_DIR ${SUBMODULE_DIR}/${GIT_DIR_RELATIVE} ABSOLUTE)
1210     endif()
1211
1212     # Get the current working branch and its latest abbreviated commit hash
1213     add_custom_command(OUTPUT "${OpenAL_BINARY_DIR}/version_witness.txt"
1214         BYPRODUCTS "${OpenAL_BINARY_DIR}/version.h"
1215         COMMAND ${CMAKE_COMMAND} -D GIT_EXECUTABLE=${GIT_EXECUTABLE} -D LIB_VERSION=${LIB_VERSION}
1216             -D LIB_VERSION_NUM=${LIB_VERSION_NUM} -D SRC=${OpenAL_SOURCE_DIR}/version.h.in
1217             -D DST=${OpenAL_BINARY_DIR}/version.h -P ${OpenAL_SOURCE_DIR}/version.cmake
1218         COMMAND ${CMAKE_COMMAND} -E touch "${OpenAL_BINARY_DIR}/version_witness.txt"
1219         WORKING_DIRECTORY "${OpenAL_SOURCE_DIR}"
1220         MAIN_DEPENDENCY "${OpenAL_SOURCE_DIR}/version.h.in"
1221         DEPENDS "${GIT_DIR}/index" "${OpenAL_SOURCE_DIR}/version.cmake"
1222         VERBATIM
1223     )
1224
1225     add_custom_target(build_version DEPENDS "${OpenAL_BINARY_DIR}/version_witness.txt")
1226 else()
1227     set(GIT_BRANCH "UNKNOWN")
1228     set(GIT_COMMIT_HASH "unknown")
1229     configure_file(
1230         "${OpenAL_SOURCE_DIR}/version.h.in"
1231         "${OpenAL_BINARY_DIR}/version.h")
1232 endif()
1233
1234
1235 option(ALSOFT_EMBED_HRTF_DATA "Embed the HRTF data files (increases library footprint)" ON)
1236 if(ALSOFT_EMBED_HRTF_DATA)
1237     macro(make_hrtf_header FILENAME VARNAME)
1238         set(infile  "${OpenAL_SOURCE_DIR}/hrtf/${FILENAME}")
1239         set(outfile  "${OpenAL_BINARY_DIR}/${VARNAME}.txt")
1240
1241         add_custom_command(OUTPUT "${outfile}"
1242             COMMAND ${CMAKE_COMMAND} -D "INPUT_FILE=${infile}" -D "OUTPUT_FILE=${outfile}"
1243                 -P "${CMAKE_MODULE_PATH}/bin2h.script.cmake"
1244             WORKING_DIRECTORY "${OpenAL_SOURCE_DIR}"
1245             DEPENDS "${infile}" "${CMAKE_MODULE_PATH}/bin2h.script.cmake"
1246             VERBATIM
1247         )
1248         set(ALC_OBJS  ${ALC_OBJS} "${outfile}")
1249     endmacro()
1250
1251     make_hrtf_header("Default HRTF.mhr" "default_hrtf")
1252 endif()
1253
1254
1255 if(ALSOFT_UTILS)
1256     find_package(MySOFA)
1257     if(NOT ALSOFT_NO_CONFIG_UTIL)
1258         find_package(Qt5Widgets QUIET)
1259         if(NOT Qt5Widgets_FOUND)
1260             message(STATUS "Could NOT find Qt5Widgets")
1261         endif()
1262     endif()
1263 endif()
1264 if(ALSOFT_UTILS OR ALSOFT_EXAMPLES)
1265     find_package(SndFile)
1266     if(SDL2_FOUND)
1267         find_package(FFmpeg COMPONENTS AVFORMAT AVCODEC AVUTIL SWSCALE SWRESAMPLE)
1268     endif()
1269 endif()
1270
1271 if(NOT WIN32)
1272     set(LIBNAME "openal")
1273 else()
1274     set(LIBNAME "OpenAL32")
1275 endif()
1276
1277 # Needed for openal.pc.in
1278 set(prefix ${CMAKE_INSTALL_PREFIX})
1279 set(exec_prefix "\${prefix}")
1280 set(libdir "${CMAKE_INSTALL_FULL_LIBDIR}")
1281 set(bindir "${CMAKE_INSTALL_FULL_BINDIR}")
1282 set(includedir "${CMAKE_INSTALL_FULL_INCLUDEDIR}")
1283 set(PACKAGE_VERSION "${LIB_VERSION}")
1284 set(PKG_CONFIG_CFLAGS )
1285 set(PKG_CONFIG_PRIVATE_LIBS )
1286 if(LIBTYPE STREQUAL "STATIC")
1287     set(PKG_CONFIG_CFLAGS -DAL_LIBTYPE_STATIC)
1288     foreach(FLAG  ${LINKER_FLAGS} ${EXTRA_LIBS} ${MATH_LIB})
1289         # If this is already a linker flag, or is a full path+file, add it
1290         # as-is. If it's an SDL2 target, add the link flag for it. Otherwise,
1291         # it's a name intended to be dressed as -lname.
1292         if(FLAG MATCHES "^-.*" OR EXISTS "${FLAG}")
1293             set(PKG_CONFIG_PRIVATE_LIBS "${PKG_CONFIG_PRIVATE_LIBS} ${FLAG}")
1294         elseif(FLAG MATCHES "^SDL2::SDL2")
1295             set(PKG_CONFIG_PRIVATE_LIBS "${PKG_CONFIG_PRIVATE_LIBS} -lSDL2")
1296         else()
1297             set(PKG_CONFIG_PRIVATE_LIBS "${PKG_CONFIG_PRIVATE_LIBS} -l${FLAG}")
1298         endif()
1299     endforeach()
1300 endif()
1301
1302 # End configuration
1303 configure_file(
1304     "${OpenAL_SOURCE_DIR}/config.h.in"
1305     "${OpenAL_BINARY_DIR}/config.h")
1306 configure_file(
1307     "${OpenAL_SOURCE_DIR}/openal.pc.in"
1308     "${OpenAL_BINARY_DIR}/openal.pc"
1309     @ONLY)
1310
1311
1312 add_library(common STATIC EXCLUDE_FROM_ALL ${COMMON_OBJS})
1313 target_include_directories(common PRIVATE ${OpenAL_BINARY_DIR} ${OpenAL_SOURCE_DIR}/include)
1314 target_compile_definitions(common PRIVATE ${CPP_DEFS})
1315 target_compile_options(common PRIVATE ${C_FLAGS})
1316 set_target_properties(common PROPERTIES ${DEFAULT_TARGET_PROPS} POSITION_INDEPENDENT_CODE TRUE)
1317
1318
1319 unset(HAS_ROUTER)
1320 set(IMPL_TARGET OpenAL) # Either OpenAL or soft_oal.
1321
1322 # Build main library
1323 if(LIBTYPE STREQUAL "STATIC")
1324     add_library(${IMPL_TARGET} STATIC ${COMMON_OBJS} ${OPENAL_OBJS} ${ALC_OBJS} ${CORE_OBJS})
1325     target_compile_definitions(${IMPL_TARGET} PUBLIC AL_LIBTYPE_STATIC)
1326     target_link_libraries(${IMPL_TARGET} PRIVATE ${LINKER_FLAGS} ${EXTRA_LIBS} ${MATH_LIB})
1327
1328     if(WIN32)
1329         # This option is for static linking OpenAL Soft into another project
1330         # that already defines the IDs. It is up to that project to ensure all
1331         # required IDs are defined.
1332         option(ALSOFT_NO_UID_DEFS "Do not define GUIDs, IIDs, CLSIDs, or PropertyKeys" OFF)
1333         if(ALSOFT_NO_UID_DEFS)
1334             target_compile_definitions(${IMPL_TARGET} PRIVATE AL_NO_UID_DEFS)
1335         endif()
1336     endif()
1337 else()
1338     set(RC_CONFIG resources/openal32.rc)
1339     if(WIN32 AND ALSOFT_BUILD_ROUTER)
1340         add_library(OpenAL SHARED
1341             resources/router.rc
1342             router/router.cpp
1343             router/router.h
1344             router/alc.cpp
1345             router/al.cpp
1346         )
1347         target_compile_definitions(OpenAL
1348             PRIVATE AL_BUILD_LIBRARY AL_ALEXT_PROTOTYPES "ALC_API=${EXPORT_DECL}"
1349             "AL_API=${EXPORT_DECL}" ${CPP_DEFS})
1350         target_compile_options(OpenAL PRIVATE ${C_FLAGS})
1351         target_link_libraries(OpenAL PRIVATE common ${LINKER_FLAGS})
1352         target_include_directories(OpenAL
1353           PUBLIC
1354             $<BUILD_INTERFACE:${OpenAL_SOURCE_DIR}/include>
1355             $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
1356           PRIVATE
1357             ${OpenAL_SOURCE_DIR}/common
1358             ${OpenAL_BINARY_DIR}
1359         )
1360         set_target_properties(OpenAL PROPERTIES ${DEFAULT_TARGET_PROPS} PREFIX ""
1361             OUTPUT_NAME ${LIBNAME})
1362         if(TARGET build_version)
1363             add_dependencies(OpenAL build_version)
1364         endif()
1365         set(HAS_ROUTER 1)
1366
1367         set(LIBNAME "soft_oal")
1368         set(IMPL_TARGET soft_oal)
1369         set(RC_CONFIG resources/soft_oal.rc)
1370     endif()
1371
1372     # !important: for osx framework public header works, the headers must be in
1373     # the project
1374     set(TARGET_PUBLIC_HEADERS include/AL/al.h include/AL/alc.h include/AL/alext.h include/AL/efx.h
1375         include/AL/efx-presets.h)
1376
1377     add_library(${IMPL_TARGET} SHARED ${OPENAL_OBJS} ${ALC_OBJS} ${CORE_OBJS} ${RC_CONFIG}
1378         ${TARGET_PUBLIC_HEADERS})
1379     if(WIN32)
1380         set_target_properties(${IMPL_TARGET} PROPERTIES PREFIX "")
1381     endif()
1382     target_link_libraries(${IMPL_TARGET} PRIVATE common ${LINKER_FLAGS} ${EXTRA_LIBS} ${MATH_LIB})
1383
1384     if(NOT WIN32 AND NOT APPLE)
1385         # FIXME: This doesn't put a dependency on the version script. Changing
1386         # the version script will not cause a relink as it should.
1387         set_property(TARGET ${IMPL_TARGET} APPEND_STRING PROPERTY
1388             LINK_FLAGS " -Wl,--version-script=${OpenAL_SOURCE_DIR}/libopenal.version")
1389     endif()
1390
1391     if(APPLE AND ALSOFT_OSX_FRAMEWORK)
1392         # Sets framework name to soft_oal to avoid ambiguity with the system OpenAL.framework
1393         set(LIBNAME "soft_oal")
1394         if(GIT_FOUND)
1395             execute_process(COMMAND ${GIT_EXECUTABLE} rev-list --count HEAD
1396                 TIMEOUT 5
1397                 OUTPUT_VARIABLE BUNDLE_VERSION
1398                 OUTPUT_STRIP_TRAILING_WHITESPACE)
1399         else()
1400             set(BUNDLE_VERSION 1)
1401         endif()
1402
1403         # Build: Fix rpath in iOS shared libraries
1404         # If this flag is not set, the final dylib binary ld path will be
1405         # /User/xxx/*/soft_oal.framework/soft_oal, which can't be loaded by iOS devices.
1406         # See also: https://github.com/libjpeg-turbo/libjpeg-turbo/commit/c80ddef7a4ce21ace9e3ca0fd190d320cc8cdaeb
1407         if(NOT CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG)
1408             set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG "-Wl,-rpath,")
1409         endif()
1410
1411         set_target_properties(${IMPL_TARGET} PROPERTIES
1412             FRAMEWORK TRUE
1413             FRAMEWORK_VERSION C
1414             MACOSX_FRAMEWORK_NAME "${IMPL_TARGET}"
1415             MACOSX_FRAMEWORK_IDENTIFIER "org.openal-soft.openal"
1416             MACOSX_FRAMEWORK_SHORT_VERSION_STRING "${LIB_VERSION}"
1417             MACOSX_FRAMEWORK_BUNDLE_VERSION "${BUNDLE_VERSION}"
1418             XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY ""
1419             XCODE_ATTRIBUTE_CODE_SIGNING_ALLOWED "NO"
1420             XCODE_ATTRIBUTE_CODE_SIGNING_REQUIRED "NO"
1421             PUBLIC_HEADER "${TARGET_PUBLIC_HEADERS}"
1422             MACOSX_RPATH TRUE)
1423     endif()
1424 endif()
1425
1426 target_include_directories(${IMPL_TARGET}
1427   PUBLIC
1428     $<BUILD_INTERFACE:${OpenAL_SOURCE_DIR}/include>
1429   INTERFACE
1430     $<BUILD_INTERFACE:${OpenAL_SOURCE_DIR}/include/AL>
1431     $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
1432     $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/AL>
1433   PRIVATE
1434     ${INC_PATHS}
1435     ${OpenAL_BINARY_DIR}
1436     ${OpenAL_SOURCE_DIR}
1437     ${OpenAL_SOURCE_DIR}/common
1438 )
1439
1440 set_target_properties(${IMPL_TARGET} PROPERTIES ${DEFAULT_TARGET_PROPS}
1441     OUTPUT_NAME ${LIBNAME}
1442     VERSION ${LIB_VERSION}
1443     SOVERSION ${LIB_MAJOR_VERSION}
1444 )
1445 target_compile_definitions(${IMPL_TARGET}
1446     PRIVATE AL_BUILD_LIBRARY AL_ALEXT_PROTOTYPES "ALC_API=${EXPORT_DECL}" "AL_API=${EXPORT_DECL}"
1447     ${CPP_DEFS})
1448 target_compile_options(${IMPL_TARGET} PRIVATE ${C_FLAGS})
1449
1450 if(TARGET build_version)
1451     add_dependencies(${IMPL_TARGET} build_version)
1452 endif()
1453
1454 if(WIN32 AND MINGW AND ALSOFT_BUILD_IMPORT_LIB AND NOT LIBTYPE STREQUAL "STATIC")
1455     find_program(SED_EXECUTABLE NAMES sed DOC "sed executable")
1456     if(NOT SED_EXECUTABLE OR NOT CMAKE_DLLTOOL)
1457         message(STATUS "")
1458         if(NOT SED_EXECUTABLE)
1459             message(STATUS "WARNING: Cannot find sed, disabling .def/.lib generation")
1460         endif()
1461         if(NOT CMAKE_DLLTOOL)
1462             message(STATUS "WARNING: Cannot find dlltool, disabling .def/.lib generation")
1463         endif()
1464     else()
1465         set_property(TARGET OpenAL APPEND_STRING PROPERTY
1466             LINK_FLAGS " -Wl,--output-def,OpenAL32.def")
1467         add_custom_command(TARGET OpenAL POST_BUILD
1468             COMMAND "${SED_EXECUTABLE}" -i -e "s/ @[^ ]*//" OpenAL32.def
1469             COMMAND "${CMAKE_DLLTOOL}" -d OpenAL32.def -l OpenAL32.lib -D OpenAL32.dll
1470             # Technically OpenAL32.def was created by the build, but cmake
1471             # doesn't recognize it due to -Wl,--output-def,OpenAL32.def being
1472             # manually specified. But declaring the file here allows it to be
1473             # properly cleaned, e.g. during make clean.
1474             BYPRODUCTS OpenAL32.def OpenAL32.lib
1475             COMMENT "Stripping ordinals from OpenAL32.def and generating OpenAL32.lib..."
1476             VERBATIM
1477         )
1478     endif()
1479 endif()
1480
1481 if(HAS_ROUTER)
1482     message(STATUS "")
1483     message(STATUS "Building DLL router")
1484 endif()
1485
1486 message(STATUS "")
1487 message(STATUS "Building OpenAL with support for the following backends:")
1488 message(STATUS "   ${BACKENDS}")
1489 message(STATUS "")
1490 message(STATUS "Building with support for CPU extensions:")
1491 message(STATUS "    ${CPU_EXTS}")
1492 message(STATUS "")
1493 if(FPMATH_SET)
1494     message(STATUS "Building with SSE${FPMATH_SET} codegen")
1495     message(STATUS "")
1496 endif()
1497
1498 if(ALSOFT_EAX)
1499     message(STATUS "Building with legacy EAX extension support")
1500     message(STATUS "")
1501 endif()
1502
1503 if(ALSOFT_EMBED_HRTF_DATA)
1504     message(STATUS "Embedding HRTF datasets")
1505     message(STATUS "")
1506 endif()
1507
1508 # An alias for sub-project builds
1509 add_library(OpenAL::OpenAL ALIAS OpenAL)
1510
1511 # Install main library
1512 if(ALSOFT_INSTALL)
1513     configure_package_config_file(OpenALConfig.cmake.in OpenALConfig.cmake
1514         INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/OpenAL)
1515     install(TARGETS OpenAL EXPORT OpenAL
1516         RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
1517         LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
1518         ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
1519         FRAMEWORK DESTINATION ${CMAKE_INSTALL_LIBDIR}
1520         INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} ${CMAKE_INSTALL_INCLUDEDIR}/AL)
1521     export(TARGETS OpenAL
1522         NAMESPACE OpenAL::
1523         FILE OpenALTargets.cmake)
1524     install(EXPORT OpenAL
1525         DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/OpenAL
1526         NAMESPACE OpenAL::
1527         FILE OpenALTargets.cmake)
1528     install(DIRECTORY include/AL
1529         DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
1530     install(FILES "${OpenAL_BINARY_DIR}/openal.pc"
1531         DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
1532     install(FILES "${OpenAL_BINARY_DIR}/OpenALConfig.cmake"
1533         DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/OpenAL")
1534     if(TARGET soft_oal)
1535         install(TARGETS soft_oal
1536             RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
1537     endif()
1538     message(STATUS "Installing library and headers")
1539 else()
1540     message(STATUS "NOT installing library and headers")
1541 endif()
1542
1543 if(ALSOFT_INSTALL_CONFIG)
1544     install(FILES alsoftrc.sample
1545         DESTINATION ${CMAKE_INSTALL_DATADIR}/openal)
1546     message(STATUS "Installing sample configuration")
1547 endif()
1548
1549 if(ALSOFT_INSTALL_HRTF_DATA)
1550     install(DIRECTORY hrtf
1551         DESTINATION ${CMAKE_INSTALL_DATADIR}/openal)
1552     message(STATUS "Installing HRTF data files")
1553 endif()
1554
1555 if(ALSOFT_INSTALL_AMBDEC_PRESETS)
1556     install(DIRECTORY presets
1557         DESTINATION ${CMAKE_INSTALL_DATADIR}/openal)
1558     message(STATUS "Installing AmbDec presets")
1559 endif()
1560 message(STATUS "")
1561
1562 set(UNICODE_FLAG )
1563 if(MINGW)
1564     set(UNICODE_FLAG ${UNICODE_FLAG} -municode)
1565 endif()
1566 set(EXTRA_INSTALLS )
1567 if(ALSOFT_UTILS)
1568     add_executable(openal-info utils/openal-info.c)
1569     target_include_directories(openal-info PRIVATE ${OpenAL_SOURCE_DIR}/common)
1570     target_compile_options(openal-info PRIVATE ${C_FLAGS})
1571     target_link_libraries(openal-info PRIVATE ${LINKER_FLAGS} OpenAL ${UNICODE_FLAG})
1572     set_target_properties(openal-info PROPERTIES ${DEFAULT_TARGET_PROPS})
1573     if(ALSOFT_INSTALL_EXAMPLES)
1574         set(EXTRA_INSTALLS ${EXTRA_INSTALLS} openal-info)
1575     endif()
1576
1577     if(SNDFILE_FOUND)
1578         add_executable(uhjdecoder utils/uhjdecoder.cpp)
1579         target_compile_definitions(uhjdecoder PRIVATE ${CPP_DEFS})
1580         target_include_directories(uhjdecoder
1581             PRIVATE ${OpenAL_BINARY_DIR} ${OpenAL_SOURCE_DIR}/common)
1582         target_compile_options(uhjdecoder PRIVATE ${C_FLAGS})
1583         target_link_libraries(uhjdecoder PUBLIC common
1584             PRIVATE ${LINKER_FLAGS} SndFile::SndFile ${UNICODE_FLAG})
1585         set_target_properties(uhjdecoder PROPERTIES ${DEFAULT_TARGET_PROPS})
1586
1587         add_executable(uhjencoder utils/uhjencoder.cpp)
1588         target_compile_definitions(uhjencoder PRIVATE ${CPP_DEFS})
1589         target_include_directories(uhjencoder
1590             PRIVATE ${OpenAL_BINARY_DIR} ${OpenAL_SOURCE_DIR}/common)
1591         target_compile_options(uhjencoder PRIVATE ${C_FLAGS})
1592         target_link_libraries(uhjencoder PUBLIC common
1593             PRIVATE ${LINKER_FLAGS} SndFile::SndFile ${UNICODE_FLAG})
1594         set_target_properties(uhjencoder PROPERTIES ${DEFAULT_TARGET_PROPS})
1595     endif()
1596
1597     if(MYSOFA_FOUND)
1598         set(SOFA_SUPPORT_SRCS
1599             utils/sofa-support.cpp
1600             utils/sofa-support.h)
1601         add_library(sofa-support STATIC EXCLUDE_FROM_ALL ${SOFA_SUPPORT_SRCS})
1602         target_compile_definitions(sofa-support PRIVATE ${CPP_DEFS})
1603         target_include_directories(sofa-support PUBLIC ${OpenAL_SOURCE_DIR}/common)
1604         target_compile_options(sofa-support PRIVATE ${C_FLAGS})
1605         target_link_libraries(sofa-support PUBLIC common MySOFA::MySOFA PRIVATE ${LINKER_FLAGS})
1606         set_target_properties(sofa-support PROPERTIES ${DEFAULT_TARGET_PROPS})
1607
1608         set(MAKEMHR_SRCS
1609             utils/makemhr/loaddef.cpp
1610             utils/makemhr/loaddef.h
1611             utils/makemhr/loadsofa.cpp
1612             utils/makemhr/loadsofa.h
1613             utils/makemhr/makemhr.cpp
1614             utils/makemhr/makemhr.h)
1615         if(NOT HAVE_GETOPT)
1616             set(MAKEMHR_SRCS  ${MAKEMHR_SRCS} utils/getopt.c utils/getopt.h)
1617         endif()
1618         add_executable(makemhr ${MAKEMHR_SRCS})
1619         target_compile_definitions(makemhr PRIVATE ${CPP_DEFS})
1620         target_include_directories(makemhr
1621             PRIVATE ${OpenAL_BINARY_DIR} ${OpenAL_SOURCE_DIR}/utils)
1622         target_compile_options(makemhr PRIVATE ${C_FLAGS})
1623         target_link_libraries(makemhr PRIVATE ${LINKER_FLAGS} sofa-support ${UNICODE_FLAG})
1624         set_target_properties(makemhr PROPERTIES ${DEFAULT_TARGET_PROPS})
1625         if(ALSOFT_INSTALL_EXAMPLES)
1626             set(EXTRA_INSTALLS ${EXTRA_INSTALLS} makemhr)
1627         endif()
1628
1629         set(SOFAINFO_SRCS  utils/sofa-info.cpp)
1630         add_executable(sofa-info ${SOFAINFO_SRCS})
1631         target_compile_definitions(sofa-info PRIVATE ${CPP_DEFS})
1632         target_include_directories(sofa-info PRIVATE ${OpenAL_SOURCE_DIR}/utils)
1633         target_compile_options(sofa-info PRIVATE ${C_FLAGS})
1634         target_link_libraries(sofa-info PRIVATE ${LINKER_FLAGS} sofa-support ${UNICODE_FLAG})
1635         set_target_properties(sofa-info PROPERTIES ${DEFAULT_TARGET_PROPS})
1636     endif()
1637     message(STATUS "Building utility programs")
1638
1639     if(NOT ALSOFT_NO_CONFIG_UTIL)
1640         add_subdirectory(utils/alsoft-config)
1641     endif()
1642     message(STATUS "")
1643 endif()
1644
1645
1646 # Add a static library with common functions used by multiple example targets
1647 add_library(ex-common STATIC EXCLUDE_FROM_ALL
1648     examples/common/alhelpers.c
1649     examples/common/alhelpers.h)
1650 target_compile_definitions(ex-common PUBLIC ${CPP_DEFS})
1651 target_include_directories(ex-common PUBLIC ${OpenAL_SOURCE_DIR}/common)
1652 target_compile_options(ex-common PUBLIC ${C_FLAGS})
1653 target_link_libraries(ex-common PUBLIC OpenAL PRIVATE ${RT_LIB})
1654 set_target_properties(ex-common PROPERTIES ${DEFAULT_TARGET_PROPS})
1655
1656 if(ALSOFT_EXAMPLES)
1657     add_executable(altonegen examples/altonegen.c)
1658     target_link_libraries(altonegen PRIVATE ${LINKER_FLAGS} ${MATH_LIB} ex-common ${UNICODE_FLAG})
1659     set_target_properties(altonegen PROPERTIES ${DEFAULT_TARGET_PROPS})
1660
1661     add_executable(alrecord examples/alrecord.c)
1662     target_link_libraries(alrecord PRIVATE ${LINKER_FLAGS} ex-common ${UNICODE_FLAG})
1663     set_target_properties(alrecord PROPERTIES ${DEFAULT_TARGET_PROPS})
1664
1665     if(ALSOFT_INSTALL_EXAMPLES)
1666         set(EXTRA_INSTALLS ${EXTRA_INSTALLS} altonegen alrecord)
1667     endif()
1668
1669     message(STATUS "Building example programs")
1670
1671     if(SNDFILE_FOUND)
1672         add_executable(alplay examples/alplay.c)
1673         target_link_libraries(alplay PRIVATE ${LINKER_FLAGS} SndFile::SndFile ex-common
1674             ${UNICODE_FLAG})
1675         set_target_properties(alplay PROPERTIES ${DEFAULT_TARGET_PROPS})
1676
1677         add_executable(alstream examples/alstream.c)
1678         target_link_libraries(alstream PRIVATE ${LINKER_FLAGS} SndFile::SndFile ex-common
1679             ${UNICODE_FLAG})
1680         set_target_properties(alstream PROPERTIES ${DEFAULT_TARGET_PROPS})
1681
1682         add_executable(alreverb examples/alreverb.c)
1683         target_link_libraries(alreverb PRIVATE ${LINKER_FLAGS} SndFile::SndFile ex-common
1684             ${UNICODE_FLAG})
1685         set_target_properties(alreverb PROPERTIES ${DEFAULT_TARGET_PROPS})
1686
1687         add_executable(almultireverb examples/almultireverb.c)
1688         target_link_libraries(almultireverb
1689             PRIVATE ${LINKER_FLAGS} SndFile::SndFile ex-common ${MATH_LIB} ${UNICODE_FLAG})
1690         set_target_properties(almultireverb PROPERTIES ${DEFAULT_TARGET_PROPS})
1691
1692         add_executable(allatency examples/allatency.c)
1693         target_link_libraries(allatency PRIVATE ${LINKER_FLAGS} SndFile::SndFile ex-common
1694             ${UNICODE_FLAG})
1695         set_target_properties(allatency PROPERTIES ${DEFAULT_TARGET_PROPS})
1696
1697         add_executable(alhrtf examples/alhrtf.c)
1698         target_link_libraries(alhrtf
1699             PRIVATE ${LINKER_FLAGS} SndFile::SndFile ex-common ${MATH_LIB} ${UNICODE_FLAG})
1700         set_target_properties(alhrtf PROPERTIES ${DEFAULT_TARGET_PROPS})
1701
1702         add_executable(alstreamcb examples/alstreamcb.cpp)
1703         target_link_libraries(alstreamcb PRIVATE ${LINKER_FLAGS} SndFile::SndFile ex-common
1704             ${UNICODE_FLAG})
1705         set_target_properties(alstreamcb PROPERTIES ${DEFAULT_TARGET_PROPS})
1706
1707         add_executable(alconvolve examples/alconvolve.c)
1708         target_link_libraries(alconvolve PRIVATE ${LINKER_FLAGS} common SndFile::SndFile ex-common
1709             ${UNICODE_FLAG})
1710         set_target_properties(alconvolve PROPERTIES ${DEFAULT_TARGET_PROPS})
1711
1712         if(ALSOFT_INSTALL_EXAMPLES)
1713             set(EXTRA_INSTALLS ${EXTRA_INSTALLS} alplay alstream alreverb almultireverb allatency
1714                 alhrtf)
1715         endif()
1716
1717         message(STATUS "Building SndFile example programs")
1718     endif()
1719
1720     if(SDL2_FOUND)
1721         add_executable(alloopback examples/alloopback.c)
1722         target_link_libraries(alloopback
1723             PRIVATE ${LINKER_FLAGS} SDL2::SDL2 ex-common ${MATH_LIB})
1724         set_target_properties(alloopback PROPERTIES ${DEFAULT_TARGET_PROPS})
1725
1726         if(ALSOFT_INSTALL_EXAMPLES)
1727             set(EXTRA_INSTALLS ${EXTRA_INSTALLS} alloopback)
1728         endif()
1729
1730         message(STATUS "Building SDL example programs")
1731
1732         set(FFVER_OK FALSE)
1733         if(FFMPEG_FOUND)
1734             set(FFVER_OK TRUE)
1735             if(AVFORMAT_VERSION VERSION_LESS "59.27.100")
1736                 message(STATUS "libavformat is too old! (${AVFORMAT_VERSION}, wanted 59.27.100)")
1737                 set(FFVER_OK FALSE)
1738             endif()
1739             if(AVCODEC_VERSION VERSION_LESS "59.37.100")
1740                 message(STATUS "libavcodec is too old! (${AVCODEC_VERSION}, wanted 59.37.100)")
1741                 set(FFVER_OK FALSE)
1742             endif()
1743             if(AVUTIL_VERSION VERSION_LESS "57.28.100")
1744                 message(STATUS "libavutil is too old! (${AVUTIL_VERSION}, wanted 57.28.100)")
1745                 set(FFVER_OK FALSE)
1746             endif()
1747             if(SWSCALE_VERSION VERSION_LESS "6.7.100")
1748                 message(STATUS "libswscale is too old! (${SWSCALE_VERSION}, wanted 6.7.100)")
1749                 set(FFVER_OK FALSE)
1750             endif()
1751             if(SWRESAMPLE_VERSION VERSION_LESS "4.7.100")
1752                 message(STATUS "libswresample is too old! (${SWRESAMPLE_VERSION}, wanted 4.7.100)")
1753                 set(FFVER_OK FALSE)
1754             endif()
1755         endif()
1756         if(FFVER_OK)
1757             add_executable(alffplay examples/alffplay.cpp)
1758             target_include_directories(alffplay PRIVATE ${FFMPEG_INCLUDE_DIRS})
1759             target_link_libraries(alffplay
1760                 PRIVATE ${LINKER_FLAGS} SDL2::SDL2 ${FFMPEG_LIBRARIES} ex-common)
1761             set_target_properties(alffplay PROPERTIES ${DEFAULT_TARGET_PROPS})
1762
1763             if(ALSOFT_INSTALL_EXAMPLES)
1764                 set(EXTRA_INSTALLS ${EXTRA_INSTALLS} alffplay)
1765             endif()
1766             message(STATUS "Building SDL+FFmpeg example programs")
1767         endif()
1768     endif()
1769     message(STATUS "")
1770 endif()
1771
1772 if(EXTRA_INSTALLS)
1773     install(TARGETS ${EXTRA_INSTALLS}
1774         RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
1775         BUNDLE  DESTINATION ${CMAKE_INSTALL_BINDIR}
1776         LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
1777         ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
1778 endif()