On 27 July 2015 at 09:34, Jonathan Wakely wrote: > On 27 July 2015 at 05:17, Edward Diener wrote: >> >> Try >> >> #if defined(__GXX_EXPERIMENTAL_CXX0X__) || (__cplusplus >= 201103L) >> // C++11 is in effect >> #endif > > > GCC 4.8 defines __cplusplus to the correct YYYYMMDD value so this is > not necessary. Oops, that should be YYYYMM of course.