Estoy tratando de compilar usandog++ y ya sea el-std=c++11 oc++0x banderas

Sin embargo, me sale este error

cc1plus: error: unrecognized command line option "-std=c++11"

g ++ --version

g++ (GCC) 4.1.2 20080704 (Red Hat 4.1.2-54)
Copyright (C) 2006 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.