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|
CHECK_CXX_SOURCE_COMPILES("
#ifdef _WIN32
#include <intrin.h> /* Workaround for PR19898. */
#include <windows.h>
#endif
int main() {
#ifdef _WIN32
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 <unistd.h>
#endif
#include <fcntl.h>
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)
CHECK_CXX_SOURCE_COMPILES("
#include <sys/utsname.h>
int main() {
return 0;
}
" COMPILER_RT_TARGET_HAS_UNAME)
add_compiler_rt_component(profile)
set(PROFILE_SOURCES
GCDAProfiling.c
InstrProfiling.c
InstrProfilingInternal.c
InstrProfilingValue.c
InstrProfilingBuffer.c
InstrProfilingFile.c
InstrProfilingMerge.c
InstrProfilingMergeFile.c
InstrProfilingNameVar.c
InstrProfilingVersionVar.c
InstrProfilingWriter.c
InstrProfilingPlatformDarwin.c
InstrProfilingPlatformFuchsia.c
InstrProfilingPlatformLinux.c
InstrProfilingPlatformOther.c
InstrProfilingPlatformWindows.c
InstrProfilingRuntime.cpp
InstrProfilingUtil.c
)
set(PROFILE_HEADERS
InstrProfiling.h
InstrProfilingInternal.h
InstrProfilingPort.h
InstrProfilingUtil.h
WindowsMMap.h
)
if(WIN32)
list(APPEND PROFILE_SOURCES
WindowsMMap.c
)
endif()
include_directories(..)
include_directories(../../include)
if(FUCHSIA OR 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()
if(COMPILER_RT_TARGET_HAS_UNAME)
set(EXTRA_FLAGS
${EXTRA_FLAGS}
-DCOMPILER_RT_HAS_UNAME=1)
endif()
# We don't use the C++ Standard Library here, so avoid including it by mistake.
append_list_if(COMPILER_RT_HAS_NOSTDINCXX_FLAG -nostdinc++ EXTRA_FLAGS)
# XRay uses C++ standard library headers.
string(REGEX REPLACE "-stdlib=[a-zA-Z+]*" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
# 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}
ADDITIONAL_HEADERS ${PROFILE_HEADERS}
PARENT_TARGET profile)
else()
add_compiler_rt_runtime(clang_rt.profile
STATIC
ARCHS ${PROFILE_SUPPORTED_ARCH}
CFLAGS ${EXTRA_FLAGS}
SOURCES ${PROFILE_SOURCES}
ADDITIONAL_HEADERS ${PROFILE_HEADERS}
PARENT_TARGET profile)
endif()
|
