Centos7升级gcc9
Centos7升级到gcc9:
yum install centos-release-scl -y && yum install devtoolset-9-gcc* -y && scl enable devtoolset-9 bash
查看gcc版本:
gcc -v
如果提示/opt/rh/devtoolset-9//enable scriptlet does not exist
yum install devtoolset-9-runtime
或者
yum reinstall devtoolset-9-runtime