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CMakeLists.txt
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CMakeLists.txt
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# CMake build file list for OpenAL
CMAKE_MINIMUM_REQUIRED(VERSION 3.0.2)
PROJECT(OpenAL)
IF(COMMAND CMAKE_POLICY)
CMAKE_POLICY(SET CMP0003 NEW)
CMAKE_POLICY(SET CMP0005 NEW)
IF(POLICY CMP0020)
CMAKE_POLICY(SET CMP0020 NEW)
ENDIF(POLICY CMP0020)
IF(POLICY CMP0042)
CMAKE_POLICY(SET CMP0042 NEW)
ENDIF(POLICY CMP0042)
IF(POLICY CMP0054)
CMAKE_POLICY(SET CMP0054 NEW)
ENDIF(POLICY CMP0054)
IF(POLICY CMP0075)
CMAKE_POLICY(SET CMP0075 NEW)
ENDIF(POLICY CMP0075)
ENDIF(COMMAND CMAKE_POLICY)
SET(CMAKE_MODULE_PATH "${OpenAL_SOURCE_DIR}/cmake")
INCLUDE(CheckFunctionExists)
INCLUDE(CheckLibraryExists)
INCLUDE(CheckSharedFunctionExists)
INCLUDE(CheckIncludeFile)
INCLUDE(CheckIncludeFiles)
INCLUDE(CheckSymbolExists)
INCLUDE(CheckCCompilerFlag)
INCLUDE(CheckCXXCompilerFlag)
INCLUDE(CheckCSourceCompiles)
INCLUDE(CheckCXXSourceCompiles)
INCLUDE(CheckTypeSize)
include(CheckStructHasMember)
include(CheckFileOffsetBits)
include(GNUInstallDirs)
SET(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS TRUE)
OPTION(ALSOFT_DLOPEN "Check for the dlopen API for loading optional libs" ON)
OPTION(ALSOFT_WERROR "Treat compile warnings as errors" OFF)
OPTION(ALSOFT_UTILS "Build and install utility programs" ON)
OPTION(ALSOFT_NO_CONFIG_UTIL "Disable building the alsoft-config utility" OFF)
OPTION(ALSOFT_EXAMPLES "Build and install example programs" ON)
OPTION(ALSOFT_TESTS "Build and install test programs" ON)
OPTION(ALSOFT_CONFIG "Install alsoft.conf sample configuration file" ON)
OPTION(ALSOFT_HRTF_DEFS "Install HRTF definition files" ON)
OPTION(ALSOFT_AMBDEC_PRESETS "Install AmbDec preset files" ON)
OPTION(ALSOFT_INSTALL "Install headers and libraries" ON)
if(DEFINED SHARE_INSTALL_DIR)
message(WARNING "SHARE_INSTALL_DIR is deprecated. Use the variables provided by the GNUInstallDirs module instead")
set(CMAKE_INSTALL_DATADIR "${SHARE_INSTALL_DIR}")
endif()
if(DEFINED LIB_SUFFIX)
message(WARNING "LIB_SUFFIX is deprecated. Use the variables provided by the GNUInstallDirs module instead")
endif()
SET(CPP_DEFS ) # C pre-process, not C++
SET(INC_PATHS )
SET(C_FLAGS )
SET(LINKER_FLAGS )
SET(EXTRA_LIBS )
IF(WIN32)
SET(CPP_DEFS ${CPP_DEFS} _WIN32 _WIN32_WINNT=0x0502)
OPTION(ALSOFT_BUILD_ROUTER "Build the router (EXPERIMENTAL; creates OpenAL32.dll and soft_oal.dll)" OFF)
# This option is mainly for static linking OpenAL Soft into another project
# that already defines the IDs. It is up to that project to ensure all
# required IDs are defined.
OPTION(ALSOFT_NO_UID_DEFS "Do not define GUIDs, IIDs, CLSIDs, or PropertyKeys" OFF)
IF(MINGW)
OPTION(ALSOFT_BUILD_IMPORT_LIB "Build an import .lib using dlltool (requires sed)" ON)
IF(NOT DLLTOOL)
IF(HOST)
SET(DLLTOOL "${HOST}-dlltool")
ELSE()
SET(DLLTOOL "dlltool")
ENDIF()
ENDIF()
ENDIF()
ENDIF()
# QNX's gcc do not uses /usr/include and /usr/lib pathes by default
IF ("${CMAKE_C_PLATFORM_ID}" STREQUAL "QNX")
SET(INC_PATHS ${INC_PATHS} /usr/include)
SET(LINKER_FLAGS ${LINKER_FLAGS} -L/usr/lib)
ENDIF()
IF(NOT LIBTYPE)
SET(LIBTYPE SHARED)
ENDIF()
SET(LIB_MAJOR_VERSION "1")
SET(LIB_MINOR_VERSION "19")
SET(LIB_REVISION "1")
SET(LIB_VERSION "${LIB_MAJOR_VERSION}.${LIB_MINOR_VERSION}.${LIB_REVISION}")
SET(EXPORT_DECL "")
SET(ALIGN_DECL "")
CHECK_TYPE_SIZE("long" SIZEOF_LONG)
CHECK_TYPE_SIZE("long long" SIZEOF_LONG_LONG)
CHECK_C_COMPILER_FLAG(-std=c11 HAVE_STD_C11)
IF(HAVE_STD_C11)
SET(CMAKE_C_FLAGS "-std=c11 ${CMAKE_C_FLAGS}")
ELSE()
CHECK_C_COMPILER_FLAG(-std=c99 HAVE_STD_C99)
IF(HAVE_STD_C99)
SET(CMAKE_C_FLAGS "-std=c99 ${CMAKE_C_FLAGS}")
ENDIF()
ENDIF()
CHECK_CXX_COMPILER_FLAG(-std=c++11 HAVE_STD_CXX11)
IF(HAVE_STD_CXX11)
SET(CMAKE_CXX_FLAGS "-std=c++11 ${CMAKE_CXX_FLAGS}")
ENDIF()
if(NOT WIN32)
# Check if _POSIX_C_SOURCE and _XOPEN_SOURCE needs to be set for POSIX functions
CHECK_SYMBOL_EXISTS(posix_memalign stdlib.h HAVE_POSIX_MEMALIGN_DEFAULT)
IF(NOT HAVE_POSIX_MEMALIGN_DEFAULT)
SET(OLD_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -D_POSIX_C_SOURCE=200112L -D_XOPEN_SOURCE=600")
CHECK_SYMBOL_EXISTS(posix_memalign stdlib.h HAVE_POSIX_MEMALIGN_POSIX)
IF(NOT HAVE_POSIX_MEMALIGN_POSIX)
SET(CMAKE_REQUIRED_FLAGS ${OLD_REQUIRED_FLAGS})
ELSE()
SET(CPP_DEFS ${CPP_DEFS} _POSIX_C_SOURCE=200112L _XOPEN_SOURCE=600)
ENDIF()
ENDIF()
UNSET(OLD_REQUIRED_FLAGS)
ENDIF()
# Set defines for large file support. Don't set this for Android targets. See:
# https://android-developers.googleblog.com/2017/09/introducing-android-native-development.html
IF(NOT ANDROID)
CHECK_FILE_OFFSET_BITS()
IF(_FILE_OFFSET_BITS)
SET(CPP_DEFS ${CPP_DEFS} "_FILE_OFFSET_BITS=${_FILE_OFFSET_BITS}")
SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -D_FILE_OFFSET_BITS=${_FILE_OFFSET_BITS}")
ENDIF()
SET(CPP_DEFS ${CPP_DEFS} _LARGEFILE_SOURCE _LARGE_FILES)
SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -D_LARGEFILE_SOURCE -D_LARGE_FILES")
ENDIF()
# C99 has restrict, but C++ does not, so we can only utilize __restrict.
SET(RESTRICT_DECL )
CHECK_C_SOURCE_COMPILES("int *__restrict foo;
int main() {return 0;}" HAVE___RESTRICT)
IF(HAVE___RESTRICT)
SET(RESTRICT_DECL "__restrict")
ENDIF()
# MSVC may need workarounds for C99 inline
IF(MSVC)
# TODO: Once we truly require C99, this inline check should go away.
CHECK_C_SOURCE_COMPILES("inline void foo(void) { }
int main() {return 0;}" HAVE_INLINE)
IF(NOT HAVE_INLINE)
CHECK_C_SOURCE_COMPILES("__inline void foo(void) { }
int main() {return 0;}" HAVE___INLINE)
IF(NOT HAVE___INLINE)
MESSAGE(FATAL_ERROR "No inline keyword found, please report!")
ENDIF()
SET(CPP_DEFS ${CPP_DEFS} inline=__inline)
SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Dinline=__inline")
ENDIF()
ENDIF()
# Make sure we have C99-style inline semantics with GCC (4.3 or newer).
IF(CMAKE_COMPILER_IS_GNUCC)
SET(CMAKE_C_FLAGS "-fno-gnu89-inline ${CMAKE_C_FLAGS}")
SET(OLD_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
# Force no inlining for the next test.
SET(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS} -fno-inline")
CHECK_C_SOURCE_COMPILES("extern inline int foo() { return 0; }
int main() {return foo();}" INLINE_IS_C99)
IF(NOT INLINE_IS_C99)
MESSAGE(FATAL_ERROR "Your compiler does not seem to have C99 inline semantics!
Please update your compiler for better C99 compliance.")
ENDIF()
SET(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS}")
ENDIF()
# Some systems may need libatomic for C11 atomic functions to work
SET(OLD_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
SET(CMAKE_REQUIRED_LIBRARIES ${OLD_REQUIRED_LIBRARIES} atomic)
CHECK_C_SOURCE_COMPILES("#include <stdatomic.h>
int _Atomic foo = ATOMIC_VAR_INIT(0);
int main()
{
return atomic_fetch_add(&foo, 2);
}"
HAVE_LIBATOMIC)
IF(NOT HAVE_LIBATOMIC)
SET(CMAKE_REQUIRED_LIBRARIES "${OLD_REQUIRED_LIBRARIES}")
ELSE()
SET(EXTRA_LIBS atomic ${EXTRA_LIBS})
ENDIF()
UNSET(OLD_REQUIRED_LIBRARIES)
# Include liblog for Android logging
CHECK_LIBRARY_EXISTS(log __android_log_print "" HAVE_LIBLOG)
IF(HAVE_LIBLOG)
SET(EXTRA_LIBS log ${EXTRA_LIBS})
SET(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} log)
ENDIF()
# Add definitions, compiler switches, etc.
INCLUDE_DIRECTORIES("${OpenAL_SOURCE_DIR}/include" "${OpenAL_SOURCE_DIR}/common" "${OpenAL_BINARY_DIR}")
IF(NOT CMAKE_BUILD_TYPE)
SET(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING
"Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel."
FORCE)
ENDIF()
IF(NOT CMAKE_DEBUG_POSTFIX)
SET(CMAKE_DEBUG_POSTFIX "" CACHE STRING
"Library postfix for debug builds. Normally left blank."
FORCE)
ENDIF()
IF(MSVC)
SET(CPP_DEFS ${CPP_DEFS} _CRT_SECURE_NO_WARNINGS _CRT_NONSTDC_NO_DEPRECATE NOMINMAX)
SET(C_FLAGS ${C_FLAGS} /wd4065 /wd4098 /wd4200)
IF(NOT DXSDK_DIR)
STRING(REGEX REPLACE "\\\\" "/" DXSDK_DIR "$ENV{DXSDK_DIR}")
ELSE()
STRING(REGEX REPLACE "\\\\" "/" DXSDK_DIR "${DXSDK_DIR}")
ENDIF()
IF(DXSDK_DIR)
MESSAGE(STATUS "Using DirectX SDK directory: ${DXSDK_DIR}")
ENDIF()
OPTION(FORCE_STATIC_VCRT "Force /MT for static VC runtimes" OFF)
IF(FORCE_STATIC_VCRT)
FOREACH(flag_var
CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO)
IF(${flag_var} MATCHES "/MD")
STRING(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
ENDIF()
ENDFOREACH(flag_var)
ENDIF()
ELSE()
SET(C_FLAGS ${C_FLAGS} -Winline -Wall)
CHECK_C_COMPILER_FLAG(-Wextra HAVE_W_EXTRA)
IF(HAVE_W_EXTRA)
SET(C_FLAGS ${C_FLAGS} -Wextra)
ENDIF()
IF(ALSOFT_WERROR)
SET(C_FLAGS ${C_FLAGS} -Werror)
ENDIF()
# We want RelWithDebInfo to actually include debug stuff (define _DEBUG
# instead of NDEBUG)
FOREACH(flag_var CMAKE_C_FLAGS_RELWITHDEBINFO CMAKE_CXX_FLAGS_RELWITHDEBINFO)
IF(${flag_var} MATCHES "-DNDEBUG")
STRING(REGEX REPLACE "-DNDEBUG" "-D_DEBUG" ${flag_var} "${${flag_var}}")
ENDIF()
ENDFOREACH()
CHECK_C_COMPILER_FLAG(-fno-math-errno HAVE_FNO_MATH_ERRNO)
IF(HAVE_FNO_MATH_ERRNO)
SET(C_FLAGS ${C_FLAGS} -fno-math-errno)
ENDIF()
CHECK_C_SOURCE_COMPILES("int foo() __attribute__((destructor));
int main() {return 0;}" HAVE_GCC_DESTRUCTOR)
option(ALSOFT_STATIC_LIBGCC "Force -static-libgcc for static GCC runtimes" OFF)
if(ALSOFT_STATIC_LIBGCC)
set(OLD_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} -static-libgcc)
check_c_source_compiles(
"#include <stdlib.h>
int main()
{
return 0;
}"
HAVE_STATIC_LIBGCC_SWITCH
)
set(CMAKE_REQUIRED_LIBRARIES ${OLD_REQUIRED_LIBRARIES})
unset(OLD_REQUIRED_LIBRARIES)
if(NOT HAVE_STATIC_LIBGCC_SWITCH)
message(FATAL_ERROR "Cannot static link libgcc")
endif()
set(LINKER_FLAGS ${LINKER_FLAGS} -static-libgcc)
endif()
option(ALSOFT_STATIC_STDCXX "Static link libstdc++" OFF)
if(ALSOFT_STATIC_STDCXX)
set(OLD_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} "-Wl,--push-state,-Bstatic,-lstdc++,--pop-state")
check_cxx_source_compiles(
"#include <cstdlib>
int main()
{
return 0;
}"
HAVE_STATIC_LIBSTDCXX_SWITCH
)
set(CMAKE_REQUIRED_LIBRARIES ${OLD_REQUIRED_LIBRARIES})
unset(OLD_REQUIRED_LIBRARIES)
if(NOT HAVE_STATIC_LIBSTDCXX_SWITCH)
message(FATAL_ERROR "Cannot static link libstdc++")
endif()
set(LINKER_FLAGS ${LINKER_FLAGS} "-Wl,--push-state,-Bstatic,-lstdc++,--pop-state")
endif()
if(WIN32)
option(ALSOFT_STATIC_WINPTHREAD "Static link libwinpthread" OFF)
if(ALSOFT_STATIC_WINPTHREAD)
set(OLD_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} "-Wl,--push-state,-Bstatic,-lwinpthread,--pop-state")
check_cxx_source_compiles(
"#include <cstdlib>
int main()
{
return 0;
}"
HAVE_STATIC_LIBWINPTHREAD_SWITCH
)
set(CMAKE_REQUIRED_LIBRARIES ${OLD_REQUIRED_LIBRARIES})
unset(OLD_REQUIRED_LIBRARIES)
if(NOT HAVE_STATIC_LIBWINPTHREAD_SWITCH)
message(FATAL_ERROR "Cannot static link libwinpthread")
endif()
set(LINKER_FLAGS ${LINKER_FLAGS} "-Wl,--push-state,-Bstatic,-lwinpthread,--pop-state")
endif()
endif()
ENDIF()
# Set visibility/export options if available
IF(WIN32)
SET(EXPORT_DECL "__declspec(dllexport)")
IF(NOT MINGW)
SET(ALIGN_DECL "__declspec(align(x))")
ELSE()
SET(ALIGN_DECL "__declspec(aligned(x))")
ENDIF()
ELSE()
SET(OLD_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
# Yes GCC, really don't accept visibility modes you don't support
SET(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS} -Wattributes -Werror")
CHECK_C_SOURCE_COMPILES("int foo() __attribute__((visibility(\"protected\")));
int main() {return 0;}" HAVE_GCC_PROTECTED_VISIBILITY)
IF(HAVE_GCC_PROTECTED_VISIBILITY)
SET(EXPORT_DECL "__attribute__((visibility(\"protected\")))")
ELSE()
CHECK_C_SOURCE_COMPILES("int foo() __attribute__((visibility(\"default\")));
int main() {return 0;}" HAVE_GCC_DEFAULT_VISIBILITY)
IF(HAVE_GCC_DEFAULT_VISIBILITY)
SET(EXPORT_DECL "__attribute__((visibility(\"default\")))")
ENDIF()
ENDIF()
IF(HAVE_GCC_PROTECTED_VISIBILITY OR HAVE_GCC_DEFAULT_VISIBILITY)
CHECK_C_COMPILER_FLAG(-fvisibility=hidden HAVE_VISIBILITY_HIDDEN_SWITCH)
IF(HAVE_VISIBILITY_HIDDEN_SWITCH)
SET(C_FLAGS ${C_FLAGS} -fvisibility=hidden)
ENDIF()
ENDIF()
CHECK_C_SOURCE_COMPILES("int foo __attribute__((aligned(16)));
int main() {return 0;}" HAVE_ATTRIBUTE_ALIGNED)
IF(HAVE_ATTRIBUTE_ALIGNED)
SET(ALIGN_DECL "__attribute__((aligned(x)))")
ENDIF()
SET(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS}")
ENDIF()
SET(SSE_SWITCH "")
SET(SSE2_SWITCH "")
SET(SSE3_SWITCH "")
SET(SSE4_1_SWITCH "")
SET(FPU_NEON_SWITCH "")
CHECK_C_COMPILER_FLAG(-msse HAVE_MSSE_SWITCH)
IF(HAVE_MSSE_SWITCH)
SET(SSE_SWITCH "-msse")
ENDIF()
CHECK_C_COMPILER_FLAG(-msse2 HAVE_MSSE2_SWITCH)
IF(HAVE_MSSE2_SWITCH)
SET(SSE2_SWITCH "-msse2")
ENDIF()
CHECK_C_COMPILER_FLAG(-msse3 HAVE_MSSE3_SWITCH)
IF(HAVE_MSSE3_SWITCH)
SET(SSE3_SWITCH "-msse3")
ENDIF()
CHECK_C_COMPILER_FLAG(-msse4.1 HAVE_MSSE4_1_SWITCH)
IF(HAVE_MSSE4_1_SWITCH)
SET(SSE4_1_SWITCH "-msse4.1")
ENDIF()
CHECK_C_COMPILER_FLAG(-mfpu=neon HAVE_MFPU_NEON_SWITCH)
IF(HAVE_MFPU_NEON_SWITCH)
SET(FPU_NEON_SWITCH "-mfpu=neon")
ENDIF()
SET(FPMATH_SET "0")
IF(CMAKE_SIZEOF_VOID_P MATCHES "4")
IF(SSE_SWITCH OR MSVC)
OPTION(ALSOFT_ENABLE_SSE_CODEGEN "Enable SSE code generation instead of x87 for 32-bit targets." TRUE)
ENDIF()
IF(SSE2_SWITCH OR MSVC)
OPTION(ALSOFT_ENABLE_SSE2_CODEGEN "Enable SSE2 code generation instead of x87 for 32-bit targets." TRUE)
ENDIF()
IF(ALSOFT_ENABLE_SSE2_CODEGEN)
IF(SSE2_SWITCH)
CHECK_C_COMPILER_FLAG("${SSE2_SWITCH} -mfpmath=sse" HAVE_MFPMATH_SSE_2)
IF(HAVE_MFPMATH_SSE_2)
SET(C_FLAGS ${C_FLAGS} ${SSE2_SWITCH} -mfpmath=sse)
SET(FPMATH_SET 2)
ENDIF()
ELSEIF(MSVC)
CHECK_C_COMPILER_FLAG("/arch:SSE2" HAVE_ARCH_SSE2)
IF(HAVE_ARCH_SSE2)
SET(C_FLAGS ${C_FLAGS} "/arch:SSE2")
SET(FPMATH_SET 2)
ENDIF()
ENDIF()
ENDIF()
IF(ALSOFT_ENABLE_SSE_CODEGEN AND NOT FPMATH_SET)
IF(SSE_SWITCH)
CHECK_C_COMPILER_FLAG("${SSE_SWITCH} -mfpmath=sse" HAVE_MFPMATH_SSE)
IF(HAVE_MFPMATH_SSE)
SET(C_FLAGS ${C_FLAGS} ${SSE_SWITCH} -mfpmath=sse)
SET(FPMATH_SET 1)
ENDIF()
ELSEIF(MSVC)
CHECK_C_COMPILER_FLAG("/arch:SSE" HAVE_ARCH_SSE)
IF(HAVE_ARCH_SSE)
SET(C_FLAGS ${C_FLAGS} "/arch:SSE")
SET(FPMATH_SET 1)
ENDIF()
ENDIF()
ENDIF()
ENDIF()
CHECK_C_SOURCE_COMPILES("int foo(const char *str, ...) __attribute__((format(printf, 1, 2)));
int main() {return 0;}" HAVE_GCC_FORMAT)
CHECK_INCLUDE_FILE(malloc.h HAVE_MALLOC_H)
CHECK_INCLUDE_FILE(dirent.h HAVE_DIRENT_H)
CHECK_INCLUDE_FILE(strings.h HAVE_STRINGS_H)
CHECK_INCLUDE_FILE(cpuid.h HAVE_CPUID_H)
CHECK_INCLUDE_FILE(intrin.h HAVE_INTRIN_H)
CHECK_INCLUDE_FILE(sys/sysconf.h HAVE_SYS_SYSCONF_H)
CHECK_INCLUDE_FILE(fenv.h HAVE_FENV_H)
CHECK_INCLUDE_FILE(float.h HAVE_FLOAT_H)
CHECK_INCLUDE_FILE(ieeefp.h HAVE_IEEEFP_H)
CHECK_INCLUDE_FILE(guiddef.h HAVE_GUIDDEF_H)
IF(NOT HAVE_GUIDDEF_H)
CHECK_INCLUDE_FILE(initguid.h HAVE_INITGUID_H)
ENDIF()
# Some systems need libm for some of the following math functions to work
SET(MATH_LIB )
CHECK_LIBRARY_EXISTS(m pow "" HAVE_LIBM)
IF(HAVE_LIBM)
SET(MATH_LIB ${MATH_LIB} m)
SET(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} m)
ENDIF()
# Check for the dlopen API (for dynamicly loading backend libs)
IF(ALSOFT_DLOPEN)
CHECK_LIBRARY_EXISTS(dl dlopen "" HAVE_LIBDL)
IF(HAVE_LIBDL)
SET(EXTRA_LIBS dl ${EXTRA_LIBS})
SET(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} dl)
ENDIF()
CHECK_INCLUDE_FILE(dlfcn.h HAVE_DLFCN_H)
ENDIF()
# Check for a cpuid intrinsic
IF(HAVE_CPUID_H)
CHECK_C_SOURCE_COMPILES("#include <cpuid.h>
int main()
{
unsigned int eax, ebx, ecx, edx;
return __get_cpuid(0, &eax, &ebx, &ecx, &edx);
}" HAVE_GCC_GET_CPUID)
ENDIF()
IF(HAVE_INTRIN_H)
CHECK_C_SOURCE_COMPILES("#include <intrin.h>
int main()
{
int regs[4];
__cpuid(regs, 0);
return regs[0];
}" HAVE_CPUID_INTRINSIC)
CHECK_C_SOURCE_COMPILES("#include <intrin.h>
int main()
{
unsigned long idx = 0;
_BitScanForward64(&idx, 1);
return idx;
}" HAVE_BITSCANFORWARD64_INTRINSIC)
CHECK_C_SOURCE_COMPILES("#include <intrin.h>
int main()
{
unsigned long idx = 0;
_BitScanForward(&idx, 1);
return idx;
}" HAVE_BITSCANFORWARD_INTRINSIC)
ENDIF()
CHECK_SYMBOL_EXISTS(sysconf unistd.h HAVE_SYSCONF)
CHECK_SYMBOL_EXISTS(aligned_alloc stdlib.h HAVE_ALIGNED_ALLOC)
CHECK_SYMBOL_EXISTS(posix_memalign stdlib.h HAVE_POSIX_MEMALIGN)
CHECK_SYMBOL_EXISTS(_aligned_malloc malloc.h HAVE__ALIGNED_MALLOC)
CHECK_SYMBOL_EXISTS(proc_pidpath libproc.h HAVE_PROC_PIDPATH)
IF(HAVE_FLOAT_H)
CHECK_SYMBOL_EXISTS(_controlfp float.h HAVE__CONTROLFP)
CHECK_SYMBOL_EXISTS(__control87_2 float.h HAVE___CONTROL87_2)
ENDIF()
CHECK_FUNCTION_EXISTS(stat HAVE_STAT)
CHECK_FUNCTION_EXISTS(strcasecmp HAVE_STRCASECMP)
IF(NOT HAVE_STRCASECMP)
CHECK_FUNCTION_EXISTS(_stricmp HAVE__STRICMP)
IF(NOT HAVE__STRICMP)
MESSAGE(FATAL_ERROR "No case-insensitive compare function found, please report!")
ENDIF()
SET(CPP_DEFS ${CPP_DEFS} strcasecmp=_stricmp)
ENDIF()
CHECK_FUNCTION_EXISTS(strncasecmp HAVE_STRNCASECMP)
IF(NOT HAVE_STRNCASECMP)
CHECK_FUNCTION_EXISTS(_strnicmp HAVE__STRNICMP)
IF(NOT HAVE__STRNICMP)
MESSAGE(FATAL_ERROR "No case-insensitive size-limitted compare function found, please report!")
ENDIF()
SET(CPP_DEFS ${CPP_DEFS} strncasecmp=_strnicmp)
ENDIF()
# Check if we have Windows headers
SET(OLD_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS})
SET(CMAKE_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} -D_WIN32_WINNT=0x0502)
CHECK_INCLUDE_FILE(windows.h HAVE_WINDOWS_H)
SET(CMAKE_REQUIRED_DEFINITIONS ${OLD_REQUIRED_DEFINITIONS})
UNSET(OLD_REQUIRED_DEFINITIONS)
IF(NOT HAVE_WINDOWS_H)
CHECK_SYMBOL_EXISTS(gettimeofday sys/time.h HAVE_GETTIMEOFDAY)
IF(NOT HAVE_GETTIMEOFDAY)
MESSAGE(FATAL_ERROR "No timing function found!")
ENDIF()
CHECK_SYMBOL_EXISTS(nanosleep time.h HAVE_NANOSLEEP)
IF(NOT HAVE_NANOSLEEP)
MESSAGE(FATAL_ERROR "No sleep function found!")
ENDIF()
# We need pthreads outside of Windows
CHECK_INCLUDE_FILE(pthread.h HAVE_PTHREAD_H)
IF(NOT HAVE_PTHREAD_H)
MESSAGE(FATAL_ERROR "PThreads is required for non-Windows builds!")
ENDIF()
# Some systems need pthread_np.h to get recursive mutexes
CHECK_INCLUDE_FILES("pthread.h;pthread_np.h" HAVE_PTHREAD_NP_H)
CHECK_C_COMPILER_FLAG(-pthread HAVE_PTHREAD)
IF(HAVE_PTHREAD)
SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -pthread")
SET(C_FLAGS ${C_FLAGS} -pthread)
SET(LINKER_FLAGS ${LINKER_FLAGS} -pthread)
ENDIF()
CHECK_LIBRARY_EXISTS(pthread pthread_create "" HAVE_LIBPTHREAD)
IF(HAVE_LIBPTHREAD)
SET(EXTRA_LIBS pthread ${EXTRA_LIBS})
ENDIF()
CHECK_SYMBOL_EXISTS(pthread_setschedparam pthread.h HAVE_PTHREAD_SETSCHEDPARAM)
IF(HAVE_PTHREAD_NP_H)
CHECK_SYMBOL_EXISTS(pthread_setname_np "pthread.h;pthread_np.h" HAVE_PTHREAD_SETNAME_NP)
IF(NOT HAVE_PTHREAD_SETNAME_NP)
CHECK_SYMBOL_EXISTS(pthread_set_name_np "pthread.h;pthread_np.h" HAVE_PTHREAD_SET_NAME_NP)
ELSE()
CHECK_C_SOURCE_COMPILES("
#include <pthread.h>
#include <pthread_np.h>
int main()
{
pthread_setname_np(\"testname\");
return 0;
}"
PTHREAD_SETNAME_NP_ONE_PARAM
)
CHECK_C_SOURCE_COMPILES("
#include <pthread.h>
#include <pthread_np.h>
int main()
{
pthread_setname_np(pthread_self(), \"%s\", \"testname\");
return 0;
}"
PTHREAD_SETNAME_NP_THREE_PARAMS
)
ENDIF()
ELSE()
CHECK_SYMBOL_EXISTS(pthread_setname_np pthread.h HAVE_PTHREAD_SETNAME_NP)
IF(NOT HAVE_PTHREAD_SETNAME_NP)
CHECK_SYMBOL_EXISTS(pthread_set_name_np pthread.h HAVE_PTHREAD_SET_NAME_NP)
ELSE()
CHECK_C_SOURCE_COMPILES("
#include <pthread.h>
int main()
{
pthread_setname_np(\"testname\");
return 0;
}"
PTHREAD_SETNAME_NP_ONE_PARAM
)
CHECK_C_SOURCE_COMPILES("
#include <pthread.h>
int main()
{
pthread_setname_np(pthread_self(), \"%s\", \"testname\");
return 0;
}"
PTHREAD_SETNAME_NP_THREE_PARAMS
)
ENDIF()
ENDIF()
CHECK_LIBRARY_EXISTS(rt clock_gettime "" HAVE_LIBRT)
IF(HAVE_LIBRT)
SET(EXTRA_LIBS rt ${EXTRA_LIBS})
ENDIF()
ENDIF()
CHECK_SYMBOL_EXISTS(getopt unistd.h HAVE_GETOPT)
# Check for a 64-bit type
CHECK_INCLUDE_FILE(stdint.h HAVE_STDINT_H)
IF(NOT HAVE_STDINT_H)
IF(HAVE_WINDOWS_H)
CHECK_C_SOURCE_COMPILES("#define _WIN32_WINNT 0x0502
#include <windows.h>
__int64 foo;
int main() {return 0;}" HAVE___INT64)
ENDIF()
IF(NOT HAVE___INT64)
IF(NOT SIZEOF_LONG MATCHES "8")
IF(NOT SIZEOF_LONG_LONG MATCHES "8")
MESSAGE(FATAL_ERROR "No 64-bit types found, please report!")
ENDIF()
ENDIF()
ENDIF()
ENDIF()
SET(COMMON_OBJS
common/alcomplex.cpp
common/alcomplex.h
common/almalloc.cpp
common/almalloc.h
common/atomic.h
common/math_defs.h
common/threads.cpp
common/threads.h
common/vecmat.h
)
SET(OPENAL_OBJS
OpenAL32/Include/alMain.h
OpenAL32/Include/alu.h
OpenAL32/Include/alAuxEffectSlot.h
OpenAL32/alAuxEffectSlot.cpp
OpenAL32/Include/alBuffer.h
OpenAL32/alBuffer.cpp
OpenAL32/Include/alEffect.h
OpenAL32/alEffect.cpp
OpenAL32/Include/alError.h
OpenAL32/alError.cpp
OpenAL32/alExtension.cpp
OpenAL32/Include/alFilter.h
OpenAL32/alFilter.cpp
OpenAL32/Include/alListener.h
OpenAL32/alListener.cpp
OpenAL32/Include/alSource.h
OpenAL32/alSource.cpp
OpenAL32/alState.cpp
OpenAL32/event.cpp
OpenAL32/Include/sample_cvt.h
OpenAL32/sample_cvt.cpp
)
SET(ALC_OBJS
Alc/alc.cpp
Alc/alu.cpp
Alc/alconfig.cpp
Alc/alconfig.h
Alc/alcontext.h
Alc/ambidefs.h
Alc/bs2b.cpp
Alc/bs2b.h
Alc/converter.cpp
Alc/converter.h
Alc/inprogext.h
Alc/mastering.cpp
Alc/mastering.h
Alc/ringbuffer.cpp
Alc/ringbuffer.h
Alc/effects/autowah.cpp
Alc/effects/chorus.cpp
Alc/effects/compressor.cpp
Alc/effects/dedicated.cpp
Alc/effects/distortion.cpp
Alc/effects/echo.cpp
Alc/effects/equalizer.cpp
Alc/effects/fshifter.cpp
Alc/effects/modulator.cpp
Alc/effects/null.cpp
Alc/effects/pshifter.cpp
Alc/effects/reverb.cpp
Alc/filters/defs.h
Alc/filters/filter.cpp
Alc/filters/nfc.cpp
Alc/filters/nfc.h
Alc/filters/splitter.cpp
Alc/filters/splitter.h
Alc/helpers.cpp
Alc/compat.h
Alc/cpu_caps.h
Alc/fpu_modes.h
Alc/logging.h
Alc/vector.h
Alc/hrtf.cpp
Alc/hrtf.h
Alc/uhjfilter.cpp
Alc/uhjfilter.h
Alc/ambdec.cpp
Alc/ambdec.h
Alc/bformatdec.cpp
Alc/bformatdec.h
Alc/panning.cpp
Alc/polymorphism.h
Alc/mixvoice.cpp
Alc/mixer/defs.h
Alc/mixer/mixer_c.cpp
)
SET(CPU_EXTS "Default")
SET(HAVE_SSE 0)
SET(HAVE_SSE2 0)
SET(HAVE_SSE3 0)
SET(HAVE_SSE4_1 0)
SET(HAVE_NEON 0)
SET(HAVE_ALSA 0)
SET(HAVE_OSS 0)
SET(HAVE_SOLARIS 0)
SET(HAVE_SNDIO 0)
SET(HAVE_QSA 0)
SET(HAVE_DSOUND 0)
SET(HAVE_WASAPI 0)
SET(HAVE_WINMM 0)
SET(HAVE_PORTAUDIO 0)
SET(HAVE_PULSEAUDIO 0)
SET(HAVE_COREAUDIO 0)
SET(HAVE_OPENSL 0)
SET(HAVE_WAVE 0)
SET(HAVE_SDL2 0)
# Check for SSE support
OPTION(ALSOFT_REQUIRE_SSE "Require SSE support" OFF)
CHECK_INCLUDE_FILE(xmmintrin.h HAVE_XMMINTRIN_H "${SSE_SWITCH}")
IF(HAVE_XMMINTRIN_H)
OPTION(ALSOFT_CPUEXT_SSE "Enable SSE support" ON)
IF(ALSOFT_CPUEXT_SSE)
SET(HAVE_SSE 1)
SET(ALC_OBJS ${ALC_OBJS} Alc/mixer/mixer_sse.cpp)
IF(SSE_SWITCH)
SET_SOURCE_FILES_PROPERTIES(Alc/mixer/mixer_sse.cpp PROPERTIES
COMPILE_FLAGS "${SSE_SWITCH}")
ENDIF()
SET(CPU_EXTS "${CPU_EXTS}, SSE")
ENDIF()
ENDIF()
IF(ALSOFT_REQUIRE_SSE AND NOT HAVE_SSE)
MESSAGE(FATAL_ERROR "Failed to enabled required SSE CPU extensions")
ENDIF()
OPTION(ALSOFT_REQUIRE_SSE2 "Require SSE2 support" OFF)
CHECK_INCLUDE_FILE(emmintrin.h HAVE_EMMINTRIN_H "${SSE2_SWITCH}")
IF(HAVE_EMMINTRIN_H)
OPTION(ALSOFT_CPUEXT_SSE2 "Enable SSE2 support" ON)
IF(HAVE_SSE AND ALSOFT_CPUEXT_SSE2)
SET(HAVE_SSE2 1)
SET(ALC_OBJS ${ALC_OBJS} Alc/mixer/mixer_sse2.cpp)
IF(SSE2_SWITCH)
SET_SOURCE_FILES_PROPERTIES(Alc/mixer/mixer_sse2.cpp PROPERTIES
COMPILE_FLAGS "${SSE2_SWITCH}")
ENDIF()
SET(CPU_EXTS "${CPU_EXTS}, SSE2")
ENDIF()
ENDIF()
IF(ALSOFT_REQUIRE_SSE2 AND NOT HAVE_SSE2)
MESSAGE(FATAL_ERROR "Failed to enable required SSE2 CPU extensions")
ENDIF()
OPTION(ALSOFT_REQUIRE_SSE3 "Require SSE3 support" OFF)
CHECK_INCLUDE_FILE(pmmintrin.h HAVE_PMMINTRIN_H "${SSE3_SWITCH}")
IF(HAVE_EMMINTRIN_H)
OPTION(ALSOFT_CPUEXT_SSE3 "Enable SSE3 support" ON)
IF(HAVE_SSE2 AND ALSOFT_CPUEXT_SSE3)
SET(HAVE_SSE3 1)
SET(ALC_OBJS ${ALC_OBJS} Alc/mixer/mixer_sse3.cpp)
IF(SSE2_SWITCH)
SET_SOURCE_FILES_PROPERTIES(Alc/mixer/mixer_sse3.cpp PROPERTIES
COMPILE_FLAGS "${SSE3_SWITCH}")
ENDIF()
SET(CPU_EXTS "${CPU_EXTS}, SSE3")
ENDIF()
ENDIF()
IF(ALSOFT_REQUIRE_SSE3 AND NOT HAVE_SSE3)
MESSAGE(FATAL_ERROR "Failed to enable required SSE3 CPU extensions")
ENDIF()
OPTION(ALSOFT_REQUIRE_SSE4_1 "Require SSE4.1 support" OFF)
CHECK_INCLUDE_FILE(smmintrin.h HAVE_SMMINTRIN_H "${SSE4_1_SWITCH}")
IF(HAVE_SMMINTRIN_H)
OPTION(ALSOFT_CPUEXT_SSE4_1 "Enable SSE4.1 support" ON)
IF(HAVE_SSE2 AND ALSOFT_CPUEXT_SSE4_1)
SET(HAVE_SSE4_1 1)
SET(ALC_OBJS ${ALC_OBJS} Alc/mixer/mixer_sse41.cpp)
IF(SSE4_1_SWITCH)
SET_SOURCE_FILES_PROPERTIES(Alc/mixer/mixer_sse41.cpp PROPERTIES
COMPILE_FLAGS "${SSE4_1_SWITCH}")
ENDIF()
SET(CPU_EXTS "${CPU_EXTS}, SSE4.1")
ENDIF()
ENDIF()
IF(ALSOFT_REQUIRE_SSE4_1 AND NOT HAVE_SSE4_1)
MESSAGE(FATAL_ERROR "Failed to enable required SSE4.1 CPU extensions")
ENDIF()
# Check for ARM Neon support
OPTION(ALSOFT_REQUIRE_NEON "Require ARM Neon support" OFF)
CHECK_INCLUDE_FILE(arm_neon.h HAVE_ARM_NEON_H ${FPU_NEON_SWITCH})
IF(HAVE_ARM_NEON_H)
OPTION(ALSOFT_CPUEXT_NEON "Enable ARM Neon support" ON)
IF(ALSOFT_CPUEXT_NEON)
SET(HAVE_NEON 1)
SET(ALC_OBJS ${ALC_OBJS} Alc/mixer/mixer_neon.cpp)
IF(FPU_NEON_SWITCH)
SET_SOURCE_FILES_PROPERTIES(Alc/mixer/mixer_neon.cpp PROPERTIES
COMPILE_FLAGS "${FPU_NEON_SWITCH}")
ENDIF()
SET(CPU_EXTS "${CPU_EXTS}, Neon")
ENDIF()
ENDIF()
IF(ALSOFT_REQUIRE_NEON AND NOT HAVE_NEON)
MESSAGE(FATAL_ERROR "Failed to enabled required ARM Neon CPU extensions")
ENDIF()
IF(WIN32 OR HAVE_DLFCN_H)
SET(IS_LINKED "")
MACRO(ADD_BACKEND_LIBS _LIBS)
ENDMACRO()
ELSE()
SET(IS_LINKED " (linked)")
MACRO(ADD_BACKEND_LIBS _LIBS)
SET(EXTRA_LIBS ${_LIBS} ${EXTRA_LIBS})
ENDMACRO()
ENDIF()
SET(BACKENDS "")
SET(ALC_OBJS ${ALC_OBJS}
Alc/backends/base.cpp
Alc/backends/base.h
# Default backends, always available
Alc/backends/loopback.cpp
Alc/backends/loopback.h
Alc/backends/null.cpp
Alc/backends/null.h
)
# Check ALSA backend
OPTION(ALSOFT_REQUIRE_ALSA "Require ALSA backend" OFF)
FIND_PACKAGE(ALSA)
IF(ALSA_FOUND)
OPTION(ALSOFT_BACKEND_ALSA "Enable ALSA backend" ON)
IF(ALSOFT_BACKEND_ALSA)
SET(HAVE_ALSA 1)
SET(BACKENDS "${BACKENDS} ALSA${IS_LINKED},")
SET(ALC_OBJS ${ALC_OBJS} Alc/backends/alsa.cpp Alc/backends/alsa.h)
ADD_BACKEND_LIBS(${ALSA_LIBRARIES})
SET(INC_PATHS ${INC_PATHS} ${ALSA_INCLUDE_DIRS})
ENDIF()
ENDIF()
IF(ALSOFT_REQUIRE_ALSA AND NOT HAVE_ALSA)
MESSAGE(FATAL_ERROR "Failed to enabled required ALSA backend")
ENDIF()
# Check OSS backend
OPTION(ALSOFT_REQUIRE_OSS "Require OSS backend" OFF)
FIND_PACKAGE(OSS)
IF(OSS_FOUND)
OPTION(ALSOFT_BACKEND_OSS "Enable OSS backend" ON)
IF(ALSOFT_BACKEND_OSS)
SET(HAVE_OSS 1)
SET(BACKENDS "${BACKENDS} OSS,")
SET(ALC_OBJS ${ALC_OBJS} Alc/backends/oss.cpp Alc/backends/oss.h)
IF(OSS_LIBRARIES)
SET(EXTRA_LIBS ${OSS_LIBRARIES} ${EXTRA_LIBS})
ENDIF()
SET(INC_PATHS ${INC_PATHS} ${OSS_INCLUDE_DIRS})
ENDIF()
ENDIF()
IF(ALSOFT_REQUIRE_OSS AND NOT HAVE_OSS)
MESSAGE(FATAL_ERROR "Failed to enabled required OSS backend")
ENDIF()
# Check Solaris backend
OPTION(ALSOFT_REQUIRE_SOLARIS "Require Solaris backend" OFF)
FIND_PACKAGE(AudioIO)
IF(AUDIOIO_FOUND)
OPTION(ALSOFT_BACKEND_SOLARIS "Enable Solaris backend" ON)
IF(ALSOFT_BACKEND_SOLARIS)
SET(HAVE_SOLARIS 1)
SET(BACKENDS "${BACKENDS} Solaris,")
SET(ALC_OBJS ${ALC_OBJS} Alc/backends/solaris.cpp Alc/backends/solaris.h)
SET(INC_PATHS ${INC_PATHS} ${AUDIOIO_INCLUDE_DIRS})
ENDIF()
ENDIF()
IF(ALSOFT_REQUIRE_SOLARIS AND NOT HAVE_SOLARIS)
MESSAGE(FATAL_ERROR "Failed to enabled required Solaris backend")
ENDIF()
# Check SndIO backend
OPTION(ALSOFT_REQUIRE_SNDIO "Require SndIO backend" OFF)
FIND_PACKAGE(SoundIO)
IF(SOUNDIO_FOUND)
OPTION(ALSOFT_BACKEND_SNDIO "Enable SndIO backend" ON)
IF(ALSOFT_BACKEND_SNDIO)
SET(HAVE_SNDIO 1)
SET(BACKENDS "${BACKENDS} SndIO (linked),")
SET(ALC_OBJS ${ALC_OBJS} Alc/backends/sndio.cpp Alc/backends/sndio.h)
SET(EXTRA_LIBS ${SOUNDIO_LIBRARIES} ${EXTRA_LIBS})
SET(INC_PATHS ${INC_PATHS} ${SOUNDIO_INCLUDE_DIRS})
ENDIF()
ENDIF()
IF(ALSOFT_REQUIRE_SNDIO AND NOT HAVE_SNDIO)
MESSAGE(FATAL_ERROR "Failed to enabled required SndIO backend")
ENDIF()
# Check QSA backend
OPTION(ALSOFT_REQUIRE_QSA "Require QSA backend" OFF)
FIND_PACKAGE(QSA)
IF(QSA_FOUND)
OPTION(ALSOFT_BACKEND_QSA "Enable QSA backend" ON)
IF(ALSOFT_BACKEND_QSA)
SET(HAVE_QSA 1)
SET(BACKENDS "${BACKENDS} QSA (linked),")
SET(ALC_OBJS ${ALC_OBJS} Alc/backends/qsa.cpp Alc/backends/qsa.h)
SET(EXTRA_LIBS ${QSA_LIBRARIES} ${EXTRA_LIBS})
SET(INC_PATHS ${INC_PATHS} ${QSA_INCLUDE_DIRS})
ENDIF()