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

[Robert Pluim]

>>>>> On Wed, 02 Sep 2020 13:38:12 +0200, "Peder O. Klingenberg" 
>>>>> <peder@news.klingenberg.no> said:

    Peder> On ti., 2020-09-01 kl. 17.05 +0200 +0200, Robert Pluim wrote:
    >> 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).

    Peder> I'm running configure on master like this:

    Peder>   ./configure --with-x-toolkit=lucid --prefix=/not/relevant

    Peder> and that gives me

    Peder>   What toolkit should Emacs use?                          LUCID
    Peder>   Does Emacs use -lXaw3d?                                 yes
    Peder>   Does Emacs use cairo?                                   yes

    Peder> So Cairo seems to be default (and thus probably most common) when
    Peder> configuring to build with Lucid?

Cairo is the default on master, whether you use GTK or Lucid, you'd
have to configure --without-cairo to not use it.

    Peder> (GTK simply doesn't work for me because I depend on daemon mode and 
Emacs not
    Peder> crashing when a display goes away.)

Hmm, thereʼs a feature/one-true-gtk