On 27 July 2015 at 02:10, Jeffrey Walton wrote: > GCC does not appear to define __cplusplus under MinGW, so I can't > perform the test __cpluplus >= 201103L. It defines it unconditionally on all platforms. > $ g++ -dM -E - < /dev/null | grep cplusplus > $ > > $ g++ -std=c++11 -dM -E - < /dev/null | grep cplusplus > cc1.exe: warning: command line option '-std=c++11' is valid for > C++/ObjC++ but not for C [enabled by default]= This tells you you are running the C compiler not the C++ compiler. When reading from stdin g++ doesn't set the default language to C++ (I keep meaning to file an enhancement request in Bugzilla about this). > How do I test for the noexcept feature? Compile as C++ not C, using -x c++
