#!/bin/bash
yum install wget -y
yum install snappy-devel protobuf-devel glog-devel gcc-c++ -y
wget http://people.centos.org/tru/devtools-2/devtools-2.repo -O /etc/yum.repos.d/devtools-2.repo
yum install -y devtoolset-2-gcc devtoolset-2-binutils devtoolset-2-gcc-c++
scl enable devtoolset-2 bash
gcc --version
原文：http://www.cnblogs.com/littlehb/p/7466857.html