Почему выдаёт ошибку в каждом коде

[Floura]

#ifndef __GXX_EXPERIMENTAL_CXX0X__
#error This file requires compiler and library support for the \
ISO C++ 2011 standard. This support is currently experimental, and must be \
enabled with the -std=c++11 or -std=gnu++11 compiler options.
#endif