# Enable C++ 11 for GCC.# NOTE: It's only tested for gcc.include(CheckCXXCompilerFlag)CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORT_CXX11)CHECK_CXX_COMPILER_FLAG("-std=c++0x" COMPILER_SUPPORT_CXX0X)if(COMPILER_SUPPORT_CXX11)set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")elseif(COMPILER_SUPPORT_CXX0X)set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")else()message(FATAL_ERROR "Your compiler must support c++11")endif()