--- Source/WTF/wtf/Atomics.h.orig 2016-06-19 14:44:16.829726076 +0200 +++ Source/WTF/wtf/Atomics.h 2016-06-19 14:49:05.596958910 +0200 @@ -68,6 +68,8 @@ #elif !COMPILER(GCC) extern "C" void _ReadWriteBarrier(void); #pragma intrinsic(_ReadWriteBarrier) +#else +#include #endif #include #elif OS(QNX)