how to know the cpp search path

Nick Clifton nickc@redhat.com
Fri Oct 23 11:05:00 GMT 2009


Hi Loody,

> Is there any option of cpp that can tell me what is the search path of it?

This is a question for the gcc mailing list (gcc@gcc.gnu.org) not the 
binutils list.

Mind you the answer is quite simple - if you are using gcc that is - you 
just need to add the "-v" option to the command line.  For example:

   % gcc -v hello.c
   [snip]
   ignoring nonexistent directory 
"/usr/lib/gcc/i386-redhat-linux/4.3.2/include-fixed"
   ignoring nonexistent directory 
"/usr/lib/gcc/i386-redhat-linux/4.3.2/../../../../i386-redhat-linux/include"
   #include "..." search starts here:
   #include <...> search starts here:
    /usr/local/include
    /usr/lib/gcc/i386-redhat-linux/4.3.2/include
    /usr/include
   End of search list.
   [snip]

Cheers
   Nick



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