安装新版 gcc/g++/gdb
https://blog.csdn.net/qq_37700257/article/details/131540737
出现动态运行库的问题： https://www.cnblogs.com/studywithallofyou/p/17611199.html
注意/lib/x86_64-linux-gnu/libm. so. 6: version GLIBC_2.29' not found 不要轻易直接替换
https://blog.csdn.net/qq_37700257/article/details/131540737
出现动态运行库的问题： https://www.cnblogs.com/studywithallofyou/p/17611199.html
注意/lib/x86_64-linux-gnu/libm. so. 6: version GLIBC_2.29' not found 不要轻易直接替换