bug#43148: 27.1; Widget text seems to disappear when building with Cairo and Xaw

[Eli Zaretskii]

> From: Robert Pluim <rpluim@gmail.com>
> Cc: Pouar Dragon <pouar@pouar.net>,  YAMAMOTO Mitsuharu
>  <mituharu@math.s.chiba-u.ac.jp>,  43148@debbugs.gnu.org
> Date: Tue, 01 Sep 2020 17:05:55 +0200
> 
> >>>>> On Tue, 01 Sep 2020 17:09:18 +0300, Eli Zaretskii <eliz@gnu.org> said:
> 
>     >> From: Pouar Dragon <pouar@pouar.net>
>     >> Date: Mon, 31 Aug 2020 21:34:46 -0500
>     >> 
>     >> widgets when building with Xaw and Cairo seem to have missing text,
>     >> looking like this
>     >> 
>     >> problem seems to go away when 5f4e8e2e088de9fb76cb631077c6eddd3219f594
>     >> is reverted
> 
>     Eli> Thanks.  I hope Yamamoto-san will be able to take a look at this.
> 
> Putting on my 'let's simplify' hat, is this really a combination we
> want to spend time on? Lucid + Xaw + Cairo is decidedly non-mainstream
> (Iʼm surprised it even builds).

I wasn't aware that it's a rare configuration.  We definitely support
Lucid, right?  If so, is Xaw the problem? and if it is, what are the
alternatives that are less "non-mainstream"?