Centos6.X 手动升级gcc

[root@zengxj ~]# wget http://ftp.gnu.org/gnu/gcc/gcc-6.1.0/gcc-6.1.0.tar.gz
[root@zengxj ~]# tar -zvxf gcc-6.1.0.tar.gz --directory=/usr/local/
[root@zengxj ~]# cd /usr/local/gcc-6.1.0
[root@zengxj gcc-6.1.0]# ./contrib/download_prerequisites
[root@zengxj gcc-6.1.0]# mkdir build && cd build
[root@zengxj build]# ../configure -enable-checking=release -enable-languages=c,c++ -disable-multilib 
[root@zengxj build]# make 
[root@zengxj build]# make install

# 重启
[root@zengxj build]# reboot