Linux 查看g++ 默认include路径

使用命令：

`g++ -print-prog-name=cc1plus` -v

结果：

忽略不存在的目录“/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include-fixed”忽略不存在的目录“/usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../x86_64-redhat-linux/include”#include "..." 搜索从这里开始：#include <...> 搜索从这里开始： /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../include/c++/4.8.5 /usr/lib/gcc/x86\_64-redhat-linux/4.8.5/../../../../include/c++/4.8.5/x86_64-redhat-linux /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../include/c++/4.8.5/backward /usr/lib/gcc/x86_64-redhat-linux/4.8.5/include /usr/local/include /usr/include搜索列表结束。