linux/centos中运行程序出现'GLIBCXX_3.4.21' not found 首先检查gcc版本 升级gcc到5.4 解决'GLIBCXX_3.4.21' not found download_prerequisites中要下载的文件无法下载,我已上传 MPFR=mpfr-2.4.2 附加:清华镜像源:https://mirrors.tuna.tsinghua.edu.cn/gnu/gmp/ 安装步骤:https://www.cnblogs.com/awakenedy/articles/11052216.html GMP=gmp-4