forked from OSchip/llvm-project
127 lines
2.8 KiB
CMake
127 lines
2.8 KiB
CMake
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CHECK_CXX_SOURCE_COMPILES("
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#ifdef _MSC_VER
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#include <Intrin.h> /* Workaround for PR19898. */
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#include <windows.h>
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#endif
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int main() {
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#ifdef _MSC_VER
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volatile LONG val = 1;
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MemoryBarrier();
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InterlockedCompareExchange(&val, 0, 1);
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InterlockedIncrement(&val);
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InterlockedDecrement(&val);
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#else
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volatile unsigned long val = 1;
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__sync_synchronize();
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__sync_val_compare_and_swap(&val, 1, 0);
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__sync_add_and_fetch(&val, 1);
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__sync_sub_and_fetch(&val, 1);
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#endif
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return 0;
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}
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" COMPILER_RT_TARGET_HAS_ATOMICS)
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CHECK_CXX_SOURCE_COMPILES("
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#if defined(__linux__)
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#include <unistd.h>
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#endif
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#include <fcntl.h>
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int fd;
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int main() {
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struct flock s_flock;
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s_flock.l_type = F_WRLCK;
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fcntl(fd, F_SETLKW, &s_flock);
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return 0;
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}
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" COMPILER_RT_TARGET_HAS_FCNTL_LCK)
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CHECK_CXX_SOURCE_COMPILES("
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#include <sys/utsname.h>
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int main() {
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return 0;
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}
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" COMPILER_RT_TARGET_HAS_UNAME)
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add_compiler_rt_component(profile)
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set(PROFILE_SOURCES
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GCDAProfiling.c
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InstrProfiling.c
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InstrProfilingValue.c
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InstrProfilingBuffer.c
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InstrProfilingFile.c
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InstrProfilingMerge.c
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InstrProfilingMergeFile.c
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InstrProfilingNameVar.c
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InstrProfilingWriter.c
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InstrProfilingPlatformDarwin.c
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InstrProfilingPlatformFuchsia.c
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InstrProfilingPlatformLinux.c
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InstrProfilingPlatformOther.c
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InstrProfilingRuntime.cc
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InstrProfilingUtil.c)
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set(PROFILE_HEADERS
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InstrProfData.inc
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InstrProfiling.h
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InstrProfilingInternal.h
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InstrProfilingPort.h
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InstrProfilingUtil.h
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WindowsMMap.h)
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if(WIN32)
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list(APPEND PROFILE_SOURCES WindowsMMap.c)
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endif()
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if(FUCHSIA OR UNIX)
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set(EXTRA_FLAGS
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-fPIC
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-Wno-pedantic)
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endif()
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if(COMPILER_RT_TARGET_HAS_ATOMICS)
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set(EXTRA_FLAGS
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${EXTRA_FLAGS}
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-DCOMPILER_RT_HAS_ATOMICS=1)
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endif()
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if(COMPILER_RT_TARGET_HAS_FCNTL_LCK)
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set(EXTRA_FLAGS
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${EXTRA_FLAGS}
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-DCOMPILER_RT_HAS_FCNTL_LCK=1)
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endif()
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if(COMPILER_RT_TARGET_HAS_UNAME)
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set(EXTRA_FLAGS
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${EXTRA_FLAGS}
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-DCOMPILER_RT_HAS_UNAME=1)
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endif()
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# This appears to be a C-only warning banning the use of locals in aggregate
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# initializers. All other compilers accept this, though.
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# nonstandard extension used : 'identifier' : cannot be initialized using address of automatic variable
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append_list_if(COMPILER_RT_HAS_WD4221_FLAG /wd4221 EXTRA_FLAGS)
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if(APPLE)
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add_compiler_rt_runtime(clang_rt.profile
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STATIC
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OS ${PROFILE_SUPPORTED_OS}
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ARCHS ${PROFILE_SUPPORTED_ARCH}
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CFLAGS ${EXTRA_FLAGS}
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SOURCES ${PROFILE_SOURCES}
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ADDITIONAL_HEADERS ${PROFILE_HEADERS}
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PARENT_TARGET profile)
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else()
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add_compiler_rt_runtime(clang_rt.profile
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STATIC
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ARCHS ${PROFILE_SUPPORTED_ARCH}
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CFLAGS ${EXTRA_FLAGS}
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SOURCES ${PROFILE_SOURCES}
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ADDITIONAL_HEADERS ${PROFILE_HEADERS}
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PARENT_TARGET profile)
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endif()
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