diff options
Diffstat (limited to 'lib/profile/CMakeLists.txt')
| -rw-r--r-- | lib/profile/CMakeLists.txt | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/lib/profile/CMakeLists.txt b/lib/profile/CMakeLists.txt index 0905ff3e6..5bcdca129 100644 --- a/lib/profile/CMakeLists.txt +++ b/lib/profile/CMakeLists.txt @@ -22,6 +22,22 @@ int main() { } " 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) + add_custom_target(profile) set(PROFILE_SOURCES @@ -55,6 +71,12 @@ if(COMPILER_RT_TARGET_HAS_ATOMICS) -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(APPLE) add_compiler_rt_runtime(clang_rt.profile STATIC |