Index: cmake/modules/CheckAtomic.cmake =================================================================== --- cmake/modules/CheckAtomic.cmake +++ cmake/modules/CheckAtomic.cmake @@ -10,7 +10,7 @@ set(CMAKE_REQUIRED_FLAGS "-std=c++11") CHECK_CXX_SOURCE_COMPILES(" #include -std::atomic x; +std::atomic x; int main() { return x; }