``` yum -y install gcc yum -y install gcc-c++ yum install make -- 或者 yum groupinstall "Development Tools" -- 或者 yum install gcc gcc-c++ kernel-devel ``` 升级 ``` sudo yum install centos-release-scl sudo yum install devtoolset-7-gcc* scl enable devtoolset-7 bash which gcc gcc --version /opt/rh/devtoolset-7/root/usr/bin/gcc ```