bug#51343: 27.2; Xaw3d scrollbar thumb doesn't update while dragged

[Eli Zaretskii]

> From: Po Lu <luangruo@yahoo.com>
> Cc: 51343@debbugs.gnu.org
> Date: Sat, 23 Oct 2021 17:56:52 +0800
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > Could you please bisect to find the commit which changed that?
> 
> Do you mean `git bisect'?

Yes.

> I tried using it for Emacs not long ago, but after a while odd build
> errors started cropping up.
> 
> Eventually, I got to a point where I had to run `make bootstrap' before
> each build, and it started taking too long.
> 
> Is there anything in particular that I'm missing and can be used to
> speed up the build?  Thanks in advance.

"make -j10 bootstrap", perhaps?