CentOS8编译安装MySQL8发生Could not find rpcgen错误

在CentOS8下编译安装MySQL8可能会出现Could not find rpcgen错误，而CentOS8默认的yum源下不提供rpcgen的安装包。所以需要到rpcgen的GitHub仓库上找，地址如下：

https://github.com/thkukuk/rpcsvc-proto/releases

参照以下步骤完成下载及编译安装：

[root@localhost /usr/local/src]# wget https://github.com/thkukuk/rpcsvc-proto/releases/download/v1.4/rpcsvc-proto-1.4.tar.gz
[root@localhost /usr/local/src]# tar -zxvf rpcsvc-proto-1.4.tar.gz
[root@localhost /usr/local/src]# cd rpcsvc-proto-1.4/ && ./configure && make && make install

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