Re: libm -fno-builtin

[Corinna Vinschen <vinschen at redhat dot com>]

On Jun 25 11:44, Jeff Johnston wrote:
> On Mon, Jun 25, 2018 at 9:27 AM, Corinna Vinschen <vinschen@redhat.com>
> wrote:
> 
> > On Jun 25 13:47, Jon Beniston wrote:
> > > Hi Corinna,
> > >
> > > >Uhm... even more importantly, your patch is changing the configure
> > files directly,
> > > > rather than changing the configure.in files the configure files are
> > generated from.
> > > >
> > > > For the patch, just change the configure.in files and send the below
> > manual configure changes alongside
> > >
> > > -fno-builtin isn't in configure.in. Where does that come from?
> >
> > Huh, I didn't check before writing my reply, but in fact it's in
> > acinclude.m4.  The line is unchanged since the dawn of time,
> > AKA creation of the original sourceware CVS repo back in 2000.
> >
> > Jeff, any idea why it's there and if this is more than just a
> > remnant of the dark ages?
> >
> >
> I don't know the history of it.

That's a bit disappointing.  However, just as Jon it's not clear to
me how to proceed.  ANy input?


Thanks,
Corinna

-- 
Corinna Vinschen
Cygwin Maintainer
Red Hat

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