# 打印头文件搜索路径 ## 例子 $ gcc -v foo.c ... ignoring nonexistent directory "/usr/local/include/x86_64-linux-gnu" ignoring nonexistent directory "/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../x86_64-linux-gnu/include" #include "..." search starts here: #include <...> search starts here: /usr/lib/gcc/x86_64-linux-gnu/4.6/include /usr/local/include /usr/lib/gcc/x86_64-linux-gnu/4.6/include-fixed /usr/include/x86_64-linux-gnu /usr/include End of search list. ... ## 技巧 如上所示，使用`-v`选项可以打印出gcc搜索头文件的路径和顺序。当然，也可以使用`-###`选项 ## 贡献者 xmj