C、C++环境安装

GCC版本安装或者升级(yum方案)

[root@wkjhost ~]# yum install centos-release-scl
[root@wkjhost ~]# yum install devtoolset-7-gcc*
[root@wkjhost ~]# scl enable devtoolset-7 bash
[root@wkjhost ~]# which gcc
[root@wkjhost ~]# gcc --version