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您的足迹: CentOS 7 升级gcc至9.3
CentOS 7 升级gcc至9.3

升级

查看当前gcc版本号:

snippet.bash
[gpadmin@bogon ~]$ gcc --version
gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-39)
Copyright © 2015 Free Software Foundation, Inc.

升级到gcc 9.3:

snippet.bash
[gpadmin@bogon ~]$ sudo yum -y install centos-release-scl
[gpadmin@bogon ~]$ sudo yum -y install devtoolset-9-gcc devtoolset-9-gcc-c++ devtoolset-9-binutils
[gpadmin@bogon ~]$ scl enable devtoolset-9 bash

查看升级后的gcc版本号:

snippet.bash
[gpadmin@bogon ~]$ scl enable devtoolset-9 bash
[gpadmin@bogon ~]$ gcc --version
gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2)
Copyright (C) 2019 Free Software Foundation, Inc.

注:scl命令启用只是临时的,如果希望在新session中启用,可以这样:

snippet.bash
[gpadmin@bogon ~]$ echo "source /opt/rh/devtoolset-9/enable" >> ~/.bash_profile

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