Ubuntu16.04安装GCC 9.3.0遇到Building GCC requires GMP , MPFR and/or MPC
1、获取gcc9.3.0源码gcc9.3.0源码链接:http://ftp.gnu.org/gnu/gcc/gcc-9.3.0/.下载后解压至文件夹进入解压缩目录cdgcc-9.3.02、运行download_prerequisites脚本./contrib/download_prerequisitesps:如果这里运行不成功,显示errorinserverresponse,执行下面的也可下载所需