| blob | 55644b045f3fd2998c040c92421bab6dbaf8196f |
1 # CMake build file list for OpenAL
3 cmake_minimum_required(VERSION 3.0.2)
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 ${CMAKE_TRY_COMPILE_PLATFORM_VARIABLES}
10 "CMAKE_XCODE_ATTRIBUTE_CODE_SIGNING_REQUIRED"
11 "CMAKE_XCODE_ATTRIBUTE_CODE_SIGNING_ALLOWED")
12 set(CMAKE_XCODE_ATTRIBUTE_CODE_SIGNING_REQUIRED NO)
13 set(CMAKE_XCODE_ATTRIBUTE_CODE_SIGNING_ALLOWED NO)
14 endif()
16 if(CMAKE_SYSTEM_NAME STREQUAL "iOS")
17 # Fix compile failure with armv7 deployment target >= 11.0, xcode clang
18 # will report:
19 # error: invalid iOS deployment version '--target=armv7-apple-ios13.6',
20 # iOS 10 is the maximum deployment target for 32-bit targets
21 # If CMAKE_OSX_DEPLOYMENT_TARGET is not defined, cmake will choose latest
22 # deployment target
23 if("${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()
33 set(CMAKE_C_VISIBILITY_PRESET hidden)
34 set(CMAKE_CXX_VISIBILITY_PRESET hidden)
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)
65 project(OpenAL)
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()
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)
85 set(CMAKE_MODULE_PATH "${OpenAL_SOURCE_DIR}/cmake")
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)
100 find_package(PkgConfig)
101 find_package(SDL2 QUIET)
104 option(ALSOFT_DLOPEN "Check for the dlopen API for loading optional libs" ON)
106 option(ALSOFT_WERROR "Treat compile warnings as errors" OFF)
108 option(ALSOFT_UTILS "Build utility programs" ON)
109 option(ALSOFT_NO_CONFIG_UTIL "Disable building the alsoft-config utility" OFF)
111 option(ALSOFT_EXAMPLES "Build example programs" ON)
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)
121 option(ALSOFT_EAX "Enable legacy EAX extensions" ${WIN32})
123 option(ALSOFT_SEARCH_INSTALL_DATADIR "Search the installation data directory" OFF)
124 if(ALSOFT_SEARCH_INSTALL_DATADIR)
125 set(ALSOFT_INSTALL_DATADIR ${CMAKE_INSTALL_FULL_DATADIR})
126 endif()
128 if(DEFINED SHARE_INSTALL_DIR)
129 message(WARNING "SHARE_INSTALL_DIR is deprecated. Use the variables provided by the GNUInstallDirs module instead")
130 set(CMAKE_INSTALL_DATADIR "${SHARE_INSTALL_DIR}")
131 endif()
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()
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 )
153 if(WIN32)
154 set(CPP_DEFS ${CPP_DEFS} _WIN32 NOMINMAX)
155 if(MINGW)
156 set(CPP_DEFS ${CPP_DEFS} __USE_MINGW_ANSI_STDIO)
157 endif()
159 option(ALSOFT_BUILD_ROUTER "Build the router (EXPERIMENTAL; creates OpenAL32.dll and soft_oal.dll)" OFF)
160 if(MINGW)
161 option(ALSOFT_BUILD_IMPORT_LIB "Build an import .lib using dlltool (requires sed)" ON)
162 endif()
163 elseif(APPLE)
164 option(ALSOFT_OSX_FRAMEWORK "Build as macOS framework" OFF)
165 endif()
168 # QNX's gcc do not uses /usr/include and /usr/lib pathes by default
169 if("${CMAKE_C_PLATFORM_ID}" STREQUAL "QNX")
170 set(INC_PATHS ${INC_PATHS} /usr/include)
171 set(LINKER_FLAGS ${LINKER_FLAGS} -L/usr/lib)
172 endif()
174 # When the library is built for static linking, apps should define
175 # AL_LIBTYPE_STATIC when including the AL headers.
176 if(NOT LIBTYPE)
177 set(LIBTYPE SHARED)
178 endif()
180 set(LIB_MAJOR_VERSION "1")
181 set(LIB_MINOR_VERSION "23")
182 set(LIB_REVISION "1")
183 set(LIB_VERSION "${LIB_MAJOR_VERSION}.${LIB_MINOR_VERSION}.${LIB_REVISION}")
184 set(LIB_VERSION_NUM ${LIB_MAJOR_VERSION},${LIB_MINOR_VERSION},${LIB_REVISION},0)
186 set(EXPORT_DECL "")
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()
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()
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)
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()
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 ${C_FLAGS} /W4 /w14640 /wd4065 /wd4127 /wd4268 /wd4324 /wd5030 /wd5051)
245 if(NOT DXSDK_DIR)
246 string(REGEX REPLACE "\\\\" "/" DXSDK_DIR "$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: ${DXSDK_DIR}")
252 endif()
254 option(FORCE_STATIC_VCRT "Force /MT for static VC runtimes" OFF)
255 if(FORCE_STATIC_VCRT)
256 foreach(flag_var
257 CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
258 CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO
259 CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
260 CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
261 if(${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>)
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()
281 if(ALSOFT_WERROR)
282 set(C_FLAGS ${C_FLAGS} -Werror)
283 endif()
285 # We want RelWithDebInfo to actually include debug stuff (define _DEBUG
286 # instead of NDEBUG)
287 foreach(flag_var CMAKE_C_FLAGS_RELWITHDEBINFO CMAKE_CXX_FLAGS_RELWITHDEBINFO)
288 if(${flag_var} MATCHES "-DNDEBUG")
289 string(REGEX REPLACE "-DNDEBUG" "-D_DEBUG" ${flag_var} "${${flag_var}}")
290 endif()
291 endforeach()
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()
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)
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()
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)
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()
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)
335 if(NOT HAVE_STATIC_LIBWINPTHREAD_SWITCH)
336 message(FATAL_ERROR "Cannot static link libwinpthread")
337 endif()
338 set(LINKER_FLAGS ${LINKER_FLAGS} "-Wl,--push-state,-Bstatic,-lwinpthread,--pop-state")
339 endif()
340 endif()
341 endif()
343 # Set visibility/export options if available
344 if(WIN32)
345 if(NOT LIBTYPE STREQUAL "STATIC")
346 set(EXPORT_DECL "__declspec(dllexport)")
347 endif()
348 else()
349 set(OLD_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
350 # Yes GCC, really don't accept visibility modes you don't support
351 set(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS} -Wattributes -Werror")
353 check_c_source_compiles("int foo() __attribute__((visibility(\"protected\")));
354 int main() {return 0;}" HAVE_GCC_PROTECTED_VISIBILITY)
355 if(HAVE_GCC_PROTECTED_VISIBILITY)
356 if(NOT LIBTYPE STREQUAL "STATIC")
357 set(EXPORT_DECL "__attribute__((visibility(\"protected\")))")
358 endif()
359 else()
360 check_c_source_compiles("int foo() __attribute__((visibility(\"default\")));
361 int main() {return 0;}" HAVE_GCC_DEFAULT_VISIBILITY)
362 if(HAVE_GCC_DEFAULT_VISIBILITY)
363 if(NOT LIBTYPE STREQUAL "STATIC")
364 set(EXPORT_DECL "__attribute__((visibility(\"default\")))")
365 endif()
366 endif()
367 endif()
369 set(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS}")
370 endif()
373 set(SSE2_SWITCH "")
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()
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)
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)
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()
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()
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()
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()
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()
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()
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()
489 check_c_source_compiles("#include <emmintrin.h>
490 int main() {_mm_pause(); return 0;}" HAVE_SSE_INTRINSICS)
492 set(CMAKE_REQUIRED_FLAGS ${OLD_REQUIRED_FLAGS})
493 endif()
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()
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()
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()
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 ${CMAKE_REQUIRED_LIBRARIES} dl)
527 endif()
528 endif()
530 # Check for a cpuid intrinsic
531 if(HAVE_CPUID_H)
532 check_c_source_compiles("#include <cpuid.h>
533 int main()
534 {
535 unsigned int eax, ebx, ecx, edx;
536 return __get_cpuid(0, &eax, &ebx, &ecx, &edx);
537 }" HAVE_GCC_GET_CPUID)
538 endif()
539 if(HAVE_INTRIN_H)
540 check_c_source_compiles("#include <intrin.h>
541 int main()
542 {
543 int regs[4];
544 __cpuid(regs, 0);
545 return regs[0];
546 }" HAVE_CPUID_INTRINSIC)
547 endif()
549 check_symbol_exists(posix_memalign stdlib.h HAVE_POSIX_MEMALIGN)
550 check_symbol_exists(_aligned_malloc malloc.h HAVE__ALIGNED_MALLOC)
551 check_symbol_exists(proc_pidpath libproc.h HAVE_PROC_PIDPATH)
553 if(NOT WIN32)
554 # We need pthreads outside of Windows, for semaphores. It's also used to
555 # set the priority and name of threads, when possible.
556 check_include_file(pthread.h HAVE_PTHREAD_H)
557 if(NOT HAVE_PTHREAD_H)
558 message(FATAL_ERROR "PThreads is required for non-Windows builds!")
559 endif()
561 check_c_compiler_flag(-pthread HAVE_PTHREAD)
562 if(HAVE_PTHREAD)
563 set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -pthread")
564 set(C_FLAGS ${C_FLAGS} -pthread)
565 set(LINKER_FLAGS ${LINKER_FLAGS} -pthread)
566 endif()
568 check_symbol_exists(pthread_setschedparam pthread.h HAVE_PTHREAD_SETSCHEDPARAM)
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()
585 check_symbol_exists(getopt unistd.h HAVE_GETOPT)
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)
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)
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()
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)
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)
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)
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()
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()
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)
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()
877 set(BACKENDS "")
878 set(ALC_OBJS ${ALC_OBJS}
879 alc/backends/base.cpp
880 alc/backends/base.h
881 # Default backends, always available
882 alc/backends/loopback.cpp
883 alc/backends/loopback.h
884 alc/backends/null.cpp
885 alc/backends/null.h
886 )
888 # Check PipeWire backend
889 option(ALSOFT_BACKEND_PIPEWIRE "Enable PipeWire backend" ON)
890 option(ALSOFT_REQUIRE_PIPEWIRE "Require PipeWire backend" OFF)
891 if(ALSOFT_BACKEND_PIPEWIRE AND PkgConfig_FOUND)
892 pkg_check_modules(PIPEWIRE libpipewire-0.3>=0.3.23)
893 if(PIPEWIRE_FOUND)
894 set(HAVE_PIPEWIRE 1)
895 set(BACKENDS "${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} ${PIPEWIRE_INCLUDE_DIRS})
899 endif()
900 endif()
901 if(ALSOFT_REQUIRE_PIPEWIRE AND NOT HAVE_PIPEWIRE)
902 message(FATAL_ERROR "Failed to enabled required PipeWire backend")
903 endif()
905 # Check PulseAudio backend
906 option(ALSOFT_BACKEND_PULSEAUDIO "Enable PulseAudio backend" ON)
907 option(ALSOFT_REQUIRE_PULSEAUDIO "Require PulseAudio backend" OFF)
908 if(ALSOFT_BACKEND_PULSEAUDIO)
909 find_package(PulseAudio)
910 if(PULSEAUDIO_FOUND)
911 set(HAVE_PULSEAUDIO 1)
912 set(BACKENDS "${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} ${PULSEAUDIO_INCLUDE_DIR})
916 endif()
917 endif()
918 if(ALSOFT_REQUIRE_PULSEAUDIO AND NOT HAVE_PULSEAUDIO)
919 message(FATAL_ERROR "Failed to enabled required PulseAudio backend")
920 endif()
922 if(NOT WIN32)
923 # Check ALSA backend
924 option(ALSOFT_BACKEND_ALSA "Enable ALSA backend" ON)
925 option(ALSOFT_REQUIRE_ALSA "Require ALSA backend" OFF)
926 if(ALSOFT_BACKEND_ALSA)
927 find_package(ALSA)
928 if(ALSA_FOUND)
929 set(HAVE_ALSA 1)
930 set(BACKENDS "${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} ${ALSA_INCLUDE_DIRS})
934 endif()
935 endif()
937 # Check OSS backend
938 option(ALSOFT_BACKEND_OSS "Enable OSS backend" ON)
939 option(ALSOFT_REQUIRE_OSS "Require OSS backend" OFF)
940 if(ALSOFT_BACKEND_OSS)
941 find_package(OSS)
942 if(OSS_FOUND)
943 set(HAVE_OSS 1)
944 set(BACKENDS "${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} ${OSS_INCLUDE_DIRS})
950 endif()
951 endif()
953 # Check Solaris backend
954 option(ALSOFT_BACKEND_SOLARIS "Enable Solaris backend" ON)
955 option(ALSOFT_REQUIRE_SOLARIS "Require Solaris backend" OFF)
956 if(ALSOFT_BACKEND_SOLARIS)
957 find_package(AudioIO)
958 if(AUDIOIO_FOUND)
959 set(HAVE_SOLARIS 1)
960 set(BACKENDS "${BACKENDS} Solaris,")
961 set(ALC_OBJS ${ALC_OBJS} alc/backends/solaris.cpp alc/backends/solaris.h)
962 set(INC_PATHS ${INC_PATHS} ${AUDIOIO_INCLUDE_DIRS})
963 endif()
964 endif()
966 # Check SndIO backend
967 option(ALSOFT_BACKEND_SNDIO "Enable SndIO backend" ON)
968 option(ALSOFT_REQUIRE_SNDIO "Require SndIO backend" OFF)
969 if(ALSOFT_BACKEND_SNDIO)
970 find_package(SoundIO)
971 if(SOUNDIO_FOUND)
972 set(HAVE_SNDIO 1)
973 set(BACKENDS "${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} ${SOUNDIO_INCLUDE_DIRS})
977 endif()
978 endif()
979 endif()
980 if(ALSOFT_REQUIRE_ALSA AND NOT HAVE_ALSA)
981 message(FATAL_ERROR "Failed to enabled required ALSA backend")
982 endif()
983 if(ALSOFT_REQUIRE_OSS AND NOT HAVE_OSS)
984 message(FATAL_ERROR "Failed to enabled required OSS backend")
985 endif()
986 if(ALSOFT_REQUIRE_SOLARIS AND NOT HAVE_SOLARIS)
987 message(FATAL_ERROR "Failed to enabled required Solaris backend")
988 endif()
989 if(ALSOFT_REQUIRE_SNDIO AND NOT HAVE_SNDIO)
990 message(FATAL_ERROR "Failed to enabled required SndIO backend")
991 endif()
993 # Check Windows-only backends
994 if(WIN32)
995 # Check MMSystem backend
996 option(ALSOFT_BACKEND_WINMM "Enable Windows Multimedia backend" ON)
997 option(ALSOFT_REQUIRE_WINMM "Require Windows Multimedia backend" OFF)
998 if(ALSOFT_BACKEND_WINMM)
999 set(HAVE_WINMM 1)
1000 set(BACKENDS "${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 ${EXTRA_LIBS})
1007 endif()
1009 # Check DSound backend
1010 option(ALSOFT_BACKEND_DSOUND "Enable DirectSound backend" ON)
1011 option(ALSOFT_REQUIRE_DSOUND "Require DirectSound backend" OFF)
1012 if(ALSOFT_BACKEND_DSOUND)
1013 check_include_file(dsound.h HAVE_DSOUND_H)
1014 if(DXSDK_DIR)
1015 find_path(DSOUND_INCLUDE_DIR NAMES "dsound.h"
1016 PATHS "${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)
1024 if(NOT HAVE_DSOUND_H)
1025 set(INC_PATHS ${INC_PATHS} ${DSOUND_INCLUDE_DIR})
1026 endif()
1027 endif()
1028 endif()
1030 # Check for WASAPI backend
1031 option(ALSOFT_BACKEND_WASAPI "Enable WASAPI backend" ON)
1032 option(ALSOFT_REQUIRE_WASAPI "Require WASAPI backend" OFF)
1033 if(ALSOFT_BACKEND_WASAPI)
1034 check_include_file(mmdeviceapi.h HAVE_MMDEVICEAPI_H)
1035 if(HAVE_MMDEVICEAPI_H)
1036 set(HAVE_WASAPI 1)
1037 set(BACKENDS "${BACKENDS} WASAPI,")
1038 set(ALC_OBJS ${ALC_OBJS} alc/backends/wasapi.cpp alc/backends/wasapi.h)
1039 endif()
1040 endif()
1041 endif()
1042 if(ALSOFT_REQUIRE_WINMM AND NOT HAVE_WINMM)
1043 message(FATAL_ERROR "Failed to enabled required WinMM backend")
1044 endif()
1045 if(ALSOFT_REQUIRE_DSOUND AND NOT HAVE_DSOUND)
1046 message(FATAL_ERROR "Failed to enabled required DSound backend")
1047 endif()
1048 if(ALSOFT_REQUIRE_WASAPI AND NOT HAVE_WASAPI)
1049 message(FATAL_ERROR "Failed to enabled required WASAPI backend")
1050 endif()
1052 # Check JACK backend
1053 option(ALSOFT_BACKEND_JACK "Enable JACK backend" ON)
1054 option(ALSOFT_REQUIRE_JACK "Require JACK backend" OFF)
1055 if(ALSOFT_BACKEND_JACK)
1056 find_package(JACK)
1057 if(JACK_FOUND)
1058 set(HAVE_JACK 1)
1059 set(BACKENDS "${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()
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,")
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()
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()
1097 set(INC_PATHS ${INC_PATHS} ${AUDIOUNIT_INCLUDE_DIR})
1098 endif()
1099 endif()
1100 if(ALSOFT_REQUIRE_COREAUDIO AND NOT HAVE_COREAUDIO)
1101 message(FATAL_ERROR "Failed to enabled required CoreAudio backend")
1102 endif()
1104 # Check for Oboe (Android) backend
1105 option(ALSOFT_BACKEND_OBOE "Enable Oboe backend" ON)
1106 option(ALSOFT_REQUIRE_OBOE "Require Oboe backend" OFF)
1107 if(ALSOFT_BACKEND_OBOE)
1108 set(OBOE_TARGET )
1109 if(ANDROID)
1110 set(OBOE_SOURCE "" CACHE STRING "Source directory for Oboe.")
1111 if(OBOE_SOURCE)
1112 add_subdirectory(${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()
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()
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" ${EXTRA_LIBS})
1146 endif()
1147 endif()
1148 if(ALSOFT_REQUIRE_OPENSL AND NOT HAVE_OPENSL)
1149 message(FATAL_ERROR "Failed to enabled required OpenSL backend")
1150 endif()
1152 # Check PortAudio backend
1153 option(ALSOFT_BACKEND_PORTAUDIO "Enable PortAudio backend" ON)
1154 option(ALSOFT_REQUIRE_PORTAUDIO "Require PortAudio backend" OFF)
1155 if(ALSOFT_BACKEND_PORTAUDIO)
1156 find_package(PortAudio)
1157 if(PORTAUDIO_FOUND)
1158 set(HAVE_PORTAUDIO 1)
1159 set(BACKENDS "${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()
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()
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()
1195 # This is always available
1196 set(BACKENDS "${BACKENDS} Null")
1199 find_package(Git)
1200 if(ALSOFT_UPDATE_BUILD_VERSION AND GIT_FOUND AND EXISTS "${OpenAL_SOURCE_DIR}/.git")
1201 set(GIT_DIR "${OpenAL_SOURCE_DIR}/.git")
1203 # Check if this is a submodule, if it is then find the .git directory
1204 if(NOT IS_DIRECTORY "${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()
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 )
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 "${OpenAL_BINARY_DIR}/version.h")
1232 endif()
1235 option(ALSOFT_EMBED_HRTF_DATA "Embed the HRTF data files (increases library footprint)" ON)
1236 if(ALSOFT_EMBED_HRTF_DATA)
1237 macro(make_hrtf_header FILENAME VARNAME)
1238 set(infile "${OpenAL_SOURCE_DIR}/hrtf/${FILENAME}")
1239 set(outfile "${OpenAL_BINARY_DIR}/${VARNAME}.txt")
1241 add_custom_command(OUTPUT "${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()
1251 make_hrtf_header("Default HRTF.mhr" "default_hrtf")
1252 endif()
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()
1271 if(NOT WIN32)
1272 set(LIBNAME "openal")
1273 else()
1274 set(LIBNAME "OpenAL32")
1275 endif()
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()
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)
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 ${DEFAULT_TARGET_PROPS} POSITION_INDEPENDENT_CODE TRUE)
1319 unset(HAS_ROUTER)
1320 set(IMPL_TARGET OpenAL) # Either OpenAL or soft_oal.
1322 # Build main library
1323 if(LIBTYPE STREQUAL "STATIC")
1324 add_library(${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} ${MATH_LIB})
1328 if(WIN32)
1329 # This option is for static linking OpenAL Soft into another project
1330 # that already defines the IDs. It is up to that project to ensure all
1331 # required IDs are defined.
1332 option(ALSOFT_NO_UID_DEFS "Do not define GUIDs, IIDs, CLSIDs, or PropertyKeys" OFF)
1333 if(ALSOFT_NO_UID_DEFS)
1334 target_compile_definitions(${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 ${LIBNAME})
1362 if(TARGET build_version)
1363 add_dependencies(OpenAL build_version)
1364 endif()
1365 set(HAS_ROUTER 1)
1367 set(LIBNAME "soft_oal")
1368 set(IMPL_TARGET soft_oal)
1369 set(RC_CONFIG resources/soft_oal.rc)
1370 endif()
1372 # !important: for osx framework public header works, the headers must be in
1373 # the project
1374 set(TARGET_PUBLIC_HEADERS include/AL/al.h include/AL/alc.h include/AL/alext.h include/AL/efx.h
1375 include/AL/efx-presets.h)
1377 add_library(${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})
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()
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 ${GIT_EXECUTABLE} rev-list --count HEAD
1396 TIMEOUT 5
1397 OUTPUT_VARIABLE BUNDLE_VERSION
1398 OUTPUT_STRIP_TRAILING_WHITESPACE)
1399 else()
1400 set(BUNDLE_VERSION 1)
1401 endif()
1403 # Build: Fix rpath in iOS shared libraries
1404 # If this flag is not set, the final dylib binary ld path will be
1405 # /User/xxx/*/soft_oal.framework/soft_oal, which can't be loaded by iOS devices.
1406 # See also: https://github.com/libjpeg-turbo/libjpeg-turbo/commit/c80ddef7a4ce21ace9e3ca0fd190d320cc8cdaeb
1407 if(NOT CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG)
1408 set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG "-Wl,-rpath,")
1409 endif()
1411 set_target_properties(${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()
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 ${OpenAL_SOURCE_DIR}/common
1438 )
1440 set_target_properties(${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 ${C_FLAGS})
1450 if(TARGET build_version)
1451 add_dependencies(${IMPL_TARGET} build_version)
1452 endif()
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()
1481 if(HAS_ROUTER)
1482 message(STATUS "")
1483 message(STATUS "Building DLL router")
1484 endif()
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()
1498 if(ALSOFT_EAX)
1499 message(STATUS "Building with legacy EAX extension support")
1500 message(STATUS "")
1501 endif()
1503 if(ALSOFT_EMBED_HRTF_DATA)
1504 message(STATUS "Embedding HRTF datasets")
1505 message(STATUS "")
1506 endif()
1508 # An alias for sub-project builds
1509 add_library(OpenAL::OpenAL ALIAS OpenAL)
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()
1543 if(ALSOFT_INSTALL_CONFIG)
1544 install(FILES alsoftrc.sample
1545 DESTINATION ${CMAKE_INSTALL_DATADIR}/openal)
1546 message(STATUS "Installing sample configuration")
1547 endif()
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()
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 "")
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()
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})
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()
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})
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()
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")
1639 if(NOT ALSOFT_NO_CONFIG_UTIL)
1640 add_subdirectory(utils/alsoft-config)
1641 endif()
1642 message(STATUS "")
1643 endif()
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})
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})
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})
1665 if(ALSOFT_INSTALL_EXAMPLES)
1666 set(EXTRA_INSTALLS ${EXTRA_INSTALLS} altonegen alrecord)
1667 endif()
1669 message(STATUS "Building example programs")
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})
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})
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})
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})
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})
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})
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})
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})
1712 if(ALSOFT_INSTALL_EXAMPLES)
1713 set(EXTRA_INSTALLS ${EXTRA_INSTALLS} alplay alstream alreverb almultireverb allatency
1714 alhrtf)
1715 endif()
1717 message(STATUS "Building SndFile example programs")
1718 endif()
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})
1726 if(ALSOFT_INSTALL_EXAMPLES)
1727 set(EXTRA_INSTALLS ${EXTRA_INSTALLS} alloopback)
1728 endif()
1730 message(STATUS "Building SDL example programs")
1732 set(FFVER_OK FALSE)
1733 if(FFMPEG_FOUND)
1734 set(FFVER_OK TRUE)
1735 if(AVFORMAT_VERSION VERSION_LESS "59.27.100")
1736 message(STATUS "libavformat is too old! (${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})
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()
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()