[Bug preprocessor/33907] Empty macro definitions not considered equal

[rguenther at suse dot de]

------- Comment #16 from rguenther at suse dot de  2007-11-27 09:10 -------
Subject: Re:  Empty macro definitions not considered
 equal

On Mon, 26 Nov 2007, manu at gcc dot gnu dot org wrote:

> ------- Comment #15 from manu at gcc dot gnu dot org  2007-11-26 17:47 -------
> (In reply to comment #14)
> > 
> > I guess you are not explaining it wrong, but the situation is
> > extremely confusing:
> > 
> 
> Oh, I fully agree on that. But it is exactly the same situation that was there
> pre-4.3 for the C++ front-end. It is just that now CPP and C++ front-end
> defaults are consistent.

Yes.

> So for this bug, I am proposing that we only give the pointless diagnostic if
> the flag "pedantic" is set to 1 (either by using -pedantic or
> -pedantic-errors).

I like this idea (and as far as I understand this is what the patch you
pasted does).

Thanks,
Richard.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33907