查看gcc/g++默認include路徑

時間 2019-11-17

標籤查看 gcc g++ 默認 include 路徑欄目 GCC 简体版

原文原文鏈接

轉自：http://gcc.gnu.org/ml/gcc-help/2007-09/msg00205.htmlhtml

`gcc -print-prog-name=cc1plus` -v
linux

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

例如，CentOS 6.3 64bit 下，`g++ -print-prog-name=cc1plus` -v 的運行結果是：htm

ignoring nonexistent directory "/usr/lib/gcc/x86_64-redhat-linux/4.4.6/include-fixed"get

ignoring nonexistent directory "/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../x86_64-redhat-linux/include"it

#include "..." search starts here:class

#include <...> search starts here:gcc

/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6gc

/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/x86_64-redhat-linuxdi

/usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../include/c++/4.4.6/backward

/usr/local/include

/usr/lib/gcc/x86_64-redhat-linux/4.4.6/include

/usr/include

End of search list.

即，默認include路徑是

/usr/include/c++/4.4.6

/usr/include/c++/4.4.6/x86_64-redhat-linux

/usr/include/c++/4.4.6/backward

/usr/local/include

/usr/lib/gcc/x86_64-redhat-linux/4.4.6/include

/usr/include

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