centos7中yum安装gcc编译器11

001、系统信息

[root@PC1 software]# cat /etc/system-release
CentOS Linux release 7.6.1810 (Core)

002、当前gcc编译器版本

[root@PC1 software]# gcc --version
gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-36)
Copyright (C) 2015 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

003、列出所有可用的gcc安装包

[root@PC1 software]# yum list devtoolset-*-gcc
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
 * base: mirrors.bupt.edu.cn
 * centos-sclo-rh: mirrors.bupt.edu.cn
 * centos-sclo-sclo: mirrors.bupt.edu.cn
 * extras: mirrors.bupt.edu.cn
 * updates: mirrors.bupt.edu.cn
Installed Packages
devtoolset-11-gcc.x86_64                        11.2.1-9.1.el7           @centos-sclo-rh
Available Packages
devtoolset-10-gcc.x86_64                        10.2.1-11.2.el7          centos-sclo-rh
devtoolset-11-annobin-plugin-gcc.x86_64         10.38-1.el7              centos-sclo-rh
devtoolset-7-gcc.x86_64                         7.3.1-5.16.el7           centos-sclo-rh
devtoolset-8-gcc.x86_64                         8.3.1-3.2.el7            centos-sclo-rh
devtoolset-9-gcc.x86_64                         9.3.1-2.2.el7            centos-sclo-rh

004、利用yum安装

[root@PC1 software]# yum -y install centos-release-scl
[root@PC1 software]# yum -y install devtoolset-11-gcc devtoolset-11-gcc-c++ devtoolset-11-binutils
[root@PC1 software]# scl enable devtoolset-11 bash
[root@PC1 software]# echo "source /opt/rh/devtoolset-11/enable" >>/etc/profile

005、测试当下的gcc版本

[root@PC1 software]# gcc --version
gcc (GCC) 11.2.1 20220127 (Red Hat 11.2.1-9)
Copyright (C) 2021 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

 。

006、重启，测试是否长久生效

[root@PC1 software]# reboot

 007、测试版本

[root@PC1 ~]# gcc --version
gcc (GCC) 11.2.1 20220127 (Red Hat 11.2.1-9)
Copyright (C) 2021 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

 。