Go to the documentation of this file. 28 #ifndef _CXX0X_WARNING_H 29 #define _CXX0X_WARNING_H 1 31 #if __cplusplus < 201103L 32 #error This file requires compiler and library support for the \ 33 ISO C++ 2011 standard. This support is currently experimental, and must be \ 34 enabled with the -std=c++11 or -std=gnu++11 compiler options.