bug#52809: 28.0.90; X11 modeline context menu grows offscreen unreadable on smaller screen of two screen display

[Eli Zaretskii]

> Date: Tue, 28 Dec 2021 10:53:22 +0000 (UTC)
> From: Van Ly <van.ly@sdf.org>
> Cc: 52809@debbugs.gnu.org
> 
> The ELC+ELN stage of the build doesn't make use of multicores.  If it 
> could detect there are 4 cores and do something like 'make -j4' that 
> would be an improvement on time to build completion.

You mean, during building Emacs?  If you say "make -j4", there will be
4 ELC+ELN compilations running in parallel.  So I'm not sure I
understand the complaint.