bug#24892: {s, }brk removed from FreeBSD 11.x and later, arm64 architecture

[Eli Zaretskii]

unblock 24655 by 24892
thanks

> Date: Sat, 19 Nov 2016 09:20:50 +0200
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: 24892@debbugs.gnu.org
> 
> unblock 21966 by 24892
> block 24655 by 24892
> thanks
> 
> > From: Paul Eggert <eggert@cs.ucla.edu>
> > Date: Fri, 18 Nov 2016 14:22:07 -0800
> > Cc: freebsd-hackers@freebsd.org, Brooks Davis <brooks@freebsd.org>,
> >     24892@debbugs.gnu.org, Ashish SHUKLA <ashish.is@lostca.se>
> > 
> > Ed Maste wrote:
> > > arm64 support was first available in a release in FreeBSD 11.0, without 
> > > sbrk, and sbrk never existed on the stable/11 branch.
> > 
> > Thanks, I didn't know that. So Emacs has never worked in this environment.
> 
> Since Emacs never worked on FreeBSD/arm64, we don't need to block the
> release of 25.2 on this issue (although it would be nice to have it
> resolved by 25.2).

And because we've heard nothing since Nov 2016, it looks like this
issue shouldn't block Emacs 26.1, either.

Thanks.