preprocessor/7029: preprocessor should ignore #warning with -M

Zack Weinberg zack@codesourcery.com
Mon Jul 1 14:33:00 GMT 2002


On Mon, Jul 01, 2002 at 10:20:29PM +0100, Neil Booth wrote:
> Zack Weinberg wrote:-
> 
> > > Warnings are sent to stderr and the dpendency information isn't; so if
> > > you don't want the warnings you are free to pipe stderr to /dev/null.
> > > If you still wanted to retain errors but not warnings you can use -w,
> > > or check the compiler return code.
> > > 
> > > So I disagree that there is any reason to change the existing behaviour,
> > > and want to close this PR.  Do you agree, Zack?
> > 
> > Well, I think it might be reasonable for -M switches that inhibit
> > compilation to imply -w.  Presumably the user will get all the
> > warnings in due course as part of the real compilation.
> 
> Fair enough; I'll create a patch.

Thanks.

zw



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