gcc6.3的安装

author：headsen  chen

date： 2018-10-12  15:11:35

1，环境：centos7.3 ，64位，内核 3.10

 2，安装过程

#!/bin/bash
yum install mpfr -y
yum install gmp -y
yum install *mpc* -y
yum install glibc-static libstdc++-static -y
yum -y install gcc gcc-c++
cd /mnt
wget http://mirrors.concertpass.com/gcc/releases/gcc-6.3.0/gcc-6.3.0.tar.gz
tar fx gcc-6.3.0.tar.gz 
cd  gcc-6.3.0/
./contrib/download_prerequisites 
mkdir gcc-build-6.3.0.
./configure -enable-checking=release -enable-languages=c,c++ -disable-multilib
make -j4
make install

#配置环境变量
mv /usr/bin/gcc /usr/bin/gcc4.4.7
ln -s /usr/local/bin/gcc /usr/bin/gcc
mv /usr/bin/g++ /usr/bin/g++4.4.7
ln -s /usr/local/bin/g++ /usr/bin/g++
mv /usr/bin/cc /usr/bin/cc4.4.7
ln -s /usr/local/bin/cc /usr/bin/cc
mv /usr/bin/c++ /usr/bin/c++4.4.7
ln -s /usr/local/bin/c++ /usr/bin/c++
gcc --version