http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60498
--- Comment #12 from Csaba Ráduly <csaba_22 at yahoo dot co.uk> --- Doh. Disregard me. $ g++ -std=c++11 -E -dM -x c++ /dev/null | egrep -i 'ansi|std|plus' #define __STDC_HOSTED__ 1 #define __STRICT_ANSI__ 1 #define __cplusplus 201103L #define __stdcall __attribute__((__stdcall__)) #define __GNUC_STDC_INLINE__ 1 #define __STDC__ 1