Question / Suggestion when gcc does not find a directory as -I parameter

[Marc Glisse]

On Fri, 12 Feb 2010, Harald Servat wrote:

> Hello,
>
>  I'm using
>
>  gcc version 4.3.1 20080507 (prerelease) [gcc-4_3-branch revision
> 135036] (SUSE Linux)
>
>  and I'm curious about the fact that gcc does not complain when giving
> invalid directories as -I parameters, like:
>
> # gcc -Wall -Wextra -I /nonexistent test.c
> test.c:1: warning: unused parameter ‘argc’
> test.c:1: warning: unused parameter ‘argv’
>
>  Shouldn't gcc warn (or fail) about the inexistent directory?

-Wmissing-include-dirs (C, C++, Objective-C and Objective-C++ only)
     Warn if a user-supplied include directory does not exist.


-- 
Marc Glisse