bug#58318: 28.2; Emacs installed from package won't work with MinGW

[Eli Zaretskii]

> From: Corwin Brust <corwin@bru.st>
> Date: Fri, 7 Oct 2022 10:47:00 -0500
> Cc: akrl@sdf.org, larsi@gnus.org, bartosz.bubak@gmail.com, 
>       58318@debbugs.gnu.org
> 
> On Fri, Oct 7, 2022 at 10:43 AM Eli Zaretskii <eliz@gnu.org> wrote:
> >
> > > From: Corwin Brust <corwin@bru.st>
> > > Date: Fri, 7 Oct 2022 10:34:38 -0500
> > > Cc: Andrea Corallo <akrl@sdf.org>, larsi@gnus.org, 
> > > bartosz.bubak@gmail.com,
> > >       58318@debbugs.gnu.org
> > >
> > > FWIW, It appeared to take around 12 minutes to build all trampolines
> > > starting from the "installed" Emacs that was the source for the 28.2
> > > binary zips.
> >
> > Is that serially, i.e. using a single Emacs process at a time?
> 
> Yes, exactly.  No attempt of any kind to parallelize.

So this roughly doubles the build time of a release tarball.  Not a
catastrophe, IMO.