编译通不过

[Happythinker]

/usr/include/c++/5/bits/c++0x_warning.h:32:2: error: #error This file requires compiler and library support for the ISO C++ 2011 standard. This support must be enabled with the -std=c++11 or -std=gnu++11 compiler options.

Face_build/CMakeFiles/seeta_facedet_lib.dir/build.make:62: recipe for target 'Face_build/CMakeFiles/seeta_facedet_lib.dir/src/util/nms.cpp.o' failed
make[2]: *** [Face_build/CMakeFiles/seeta_facedet_lib.dir/src/util/nms.cpp.o] Error 1
CMakeFiles/Makefile2:330: recipe for target 'Face_build/CMakeFiles/seeta_facedet_lib.dir/all' failed
make[1]: *** [Face_build/CMakeFiles/seeta_facedet_lib.dir/all] Error 2
Makefile:83: recipe for target 'all' failed
make: *** [all] Error 2