-#if __GNUC__ == 4 && __GNUC_MINOR__ == 4
-# include <cstdatomic> // <atomic> is named <cstdatomic> in gcc 4.4
-
-template<typename _Tp> // fix missing definition in gcc 4.4
-void
-atomic<_Tp*>::store(_Tp* __v, memory_order __m) volatile
-{ atomic_address::store(__v, __m); }
-
-#else
-# include <atomic>
-#endif