Question about include path

[Ian Lance Taylor]

<yann@linuxconsole.org> writes:

> I build gcc (4.5.2) from scratch, and i have a question with include
> path.
>
> when i want to include "limits.h" (the good one is at
> /LFS2011/include/limits.h), gcc uses
> /LFS2011/bin/../lib/gcc/i686-pc-linux-gnu/4.5.1/include-fixed/limits.h
>
> When i add "-I/LFS2011/include" it does not look for
> /LFS2011/include/limits.h (bad ?) but when I add "-I/tmp", it looks
> for /tmp/limits.h (good)
>
> What is wrong, where can i look into gcc source code to debug it ?

The code in question is in the libcpp directory and in gcc/cppdefault.c.
However, this seems like an unlikely scenario.  Are you sure that the
directory /LFS2011/include exists?  Also, use the -v option to see the
exact search path that gcc will use.

Ian