Re: harfbuzz 2f72162: Fix crash in the Cairo build

[Stefan Monnier]

>> >> Every GNU/Linux distribution provides Xft.
>> > Thanks.  What about non-GNU Posix hosts that run X?
>> AFAIK the issue isn't GNU-vs-other but old-X vs new-X.  Xft is basically
>> part of what is expected of a recent enough X11 installation.  We could
>> drop ftx support from `master`s `configure` and see if anyone notices.
> We need to disable it by default first.

If we do it with a trivial change that we can easily revert before we
start pretesting Emacs-27, I see no reason why we'd first need to change
the default.


        Stefan