centos7 gcc gcc-c++ 離線安裝

我的系統版本centos 7.7 1，準備rpm包 可以到這地址去下載 http://mirror.centos.org/centos/7/os/x86_64/Packages/ 2，安裝rpm rpm -Uvh mpfr-3.1.1-4.el7.x86_64.rpm rpm -Uvh libmpc-1.0.1-3.el7.x86_64.rpm rpm -Uvh cpp-4.8.5-39.el7.

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