Date: Wed, 7 Feb 2001 08:18:35 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
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To: DJ Delorie <dj AT delorie DOT com>
cc: djgpp-workers AT delorie DOT com
Subject: Re: [aoliva AT redhat DOT com: Re: Why warn about #include_next in system headers?]
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On Tue, 6 Feb 2001, DJ Delorie wrote:

> > The below seems to indicate that we need to change the library
> > makefile's to use -isystem instead of -I.  Since -isystem is supported
> > even by GCC 2.7.2, it sounds safe.
> 
> Does -isystem disable any warnings?

I don't know.  Perhaps Laurynas and Andris could tell.

The reason I suggested to use -isystem is that CPP doesn't treat 
directories mentioned with -I as system headers, so all kinds of tricks 
we might want to do there (some of them were discussed here in the past) 
won't work, or won't DTRT.