configure: error: *** A compiler with support for C++11 language features is required. 参考链接: (1)升级 GCC 支持C++11. (2)解决/usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.21' not found的问题方法总结. 一.错误发生情景: 使用sh setup.sh安装软件时,报以下错误: ... configure: error: *** A c