gdb调试gcc出现：Missing separate debuginfos, use: debuginfoinstall glibcx.i686

 vim /etc/yum.repos.d/CentOS-Debuginfo.repo  //修改/etc/yum.repos.d/CentOS-Debuginfo.repo里面的debuginfo目录中enable=1

debuginfo-install glibc-2.12-1.80.e16_3.5.i686

参考：链接