linux离线安装gcc环境，一整套rpm包

包含的包如下：cloog-ppl-0.15.7-1.2.el6.x86_64.rpmcpp-4.4.7-4.el6.x86_64.rpmgcc-4.4.7-4.el6.x86_64.rpmgcc-c++-4.4.7-4.el6.x86_64.rpmglibc-devel-2.12-1.132.el6.x86_64.rpmglibc-headers-2.12-1.132.el6.x86_64.rpmkernel-headers-2.6.32-431.el6.x86_64.rpmlibstdc++-devel-4.4.7-4.el6.x86_64.rpmmpfr-2.4.1-6.el6.x86_64.rpmppl-0.10.2-11.el6.x