diff options
| -rw-r--r-- | CMakeLists.txt | 21 |
1 files changed, 4 insertions, 17 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 13ebbc9..a65afbf 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -73,25 +73,12 @@ else(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti") endif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC") -include(CheckCXXSourceCompiles) - # Test whether -Wthread-safety is available. See # https://clang.llvm.org/docs/ThreadSafetyAnalysis.html -# -Werror is necessary because unknown attributes only generate warnings. -set(OLD_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS}) -list(APPEND CMAKE_REQUIRED_FLAGS -Werror -Wthread-safety) -check_cxx_source_compiles(" -struct __attribute__((lockable)) Lock { - void Acquire() __attribute__((exclusive_lock_function())); - void Release() __attribute__((unlock_function())); -}; -struct ThreadSafeType { - Lock lock_; - int data_ __attribute__((guarded_by(lock_))); -}; -int main() { return 0; } -" HAVE_CLANG_THREAD_SAFETY) -set(CMAKE_REQUIRED_FLAGS ${OLD_CMAKE_REQUIRED_FLAGS}) +include(CheckCXXCompilerFlag) +check_cxx_compiler_flag(-Wthread-safety HAVE_CLANG_THREAD_SAFETY) + +include(CheckCXXSourceCompiles) # Test whether C++17 __has_include is available. check_cxx_source_compiles(" |