cd /etc/yum.repos.d
sudo wget http://people.centos.org/tru/devtools/devtools.repo
sudo yum --enablerepo=testing-devtools-6 install devtoolset-1.0
export PATH=/opt/centos/devtoolset-1.0/root/usr/bin/:$PATH
转载于:https://www.cnblogs.com/sunyongjie1984/p/4278609.html
相关资源：centos离线安装gcc
