CHECK_CXX_SOURCE_COMPILES(" #ifdef _MSC_VER #include /* Workaround for PR19898. */ #include #endif int main() { #ifdef _MSC_VER volatile LONG val = 1; MemoryBarrier(); InterlockedCompareExchange(&val, 0, 1); InterlockedIncrement(&val); InterlockedDecrement(&val); #else volatile unsigned long val = 1; __sync_synchronize(); __sync_val_compare_and_swap(&val, 1, 0); __sync_add_and_fetch(&val, 1); __sync_sub_and_fetch(&val, 1); #endif return 0; } " COMPILER_RT_TARGET_HAS_ATOMICS) CHECK_CXX_SOURCE_COMPILES(" #if defined(__linux__) #include #endif #include int fd; int main() { struct flock s_flock; s_flock.l_type = F_WRLCK; fcntl(fd, F_SETLKW, &s_flock); return 0; } " COMPILER_RT_TARGET_HAS_FCNTL_LCK) add_custom_target(profile) set_target_properties(profile PROPERTIES FOLDER "Compiler-RT Misc") set(PROFILE_SOURCES GCDAProfiling.c InstrProfiling.c InstrProfilingValue.c InstrProfilingBuffer.c InstrProfilingFile.c InstrProfilingMerge.c InstrProfilingMergeFile.c InstrProfilingWriter.c InstrProfilingPlatformDarwin.c InstrProfilingPlatformLinux.c InstrProfilingPlatformOther.c InstrProfilingRuntime.cc InstrProfilingUtil.c) if(WIN32) list(APPEND PROFILE_SOURCES WindowsMMap.c) endif() if(UNIX) set(EXTRA_FLAGS -fPIC -Wno-pedantic) endif() if(COMPILER_RT_TARGET_HAS_ATOMICS) set(EXTRA_FLAGS ${EXTRA_FLAGS} -DCOMPILER_RT_HAS_ATOMICS=1) endif() if(COMPILER_RT_TARGET_HAS_FCNTL_LCK) set(EXTRA_FLAGS ${EXTRA_FLAGS} -DCOMPILER_RT_HAS_FCNTL_LCK=1) endif() # This appears to be a C-only warning banning the use of locals in aggregate # initializers. All other compilers accept this, though. # nonstandard extension used : 'identifier' : cannot be initialized using address of automatic variable append_list_if(COMPILER_RT_HAS_WD4221_FLAG /wd4221 EXTRA_FLAGS) if(APPLE) add_compiler_rt_runtime(clang_rt.profile STATIC OS ${PROFILE_SUPPORTED_OS} ARCHS ${PROFILE_SUPPORTED_ARCH} CFLAGS ${EXTRA_FLAGS} SOURCES ${PROFILE_SOURCES} PARENT_TARGET profile) else() add_compiler_rt_runtime(clang_rt.profile STATIC ARCHS ${PROFILE_SUPPORTED_ARCH} CFLAGS ${EXTRA_FLAGS} SOURCES ${PROFILE_SOURCES} PARENT_TARGET profile) endif() add_dependencies(compiler-rt profile)