Re: Motif support

[Eli Zaretskii]

> From: Po Lu <luangruo@yahoo.com>
> Date: Sun, 19 Dec 2021 10:04:58 +0800
> 
> `--with-x-toolkit=motif' is documented in INSTALL, but configure
> complained that it was not an option.  At first I thought this was
> related to the PGTK merge, but apparently someone removed the single
> line in configure.ac that enables the Motif build some time last year.
> 
> After adding it back, the Motif build works perfectly on both master and
> emacs-28.  So I see no harm in reenabling it (possibly in the release
> branch as well.)
> 
> If people are concerned about the Motif support being a maintenance
> burden, then no worries: you will be free to break the Motif build
> whenever you want, and I will notice and fix the lossage.

The Motif support was deliberately removed after a long discussion,
which started here:

  https://lists.gnu.org/archive/html/emacs-devel/2021-02/msg00768.html

The fact that it wasn't removed from INSTALL is a mistake that should
be fixed.

I don't think we want to reinstate Motif support.