GNU bug report logs - #72303
When emacs-pgtk fails to find a Wayland display available, it fails to run instead of opening in -nw mode

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Message #11 received at 72303 <at> debbugs.gnu.org (full text, mbox):

From: Po Lu <luangruo <at> yahoo.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 72303 <at> debbugs.gnu.org, Gunnar Wolf <gwolf <at> gwolf.org>
Subject: Re: bug#72303: When emacs-pgtk fails to find a Wayland display
 available, it fails to run instead of opening in -nw mode
Date: Fri, 26 Jul 2024 22:19:00 +0800

Eli Zaretskii <eliz <at> gnu.org> writes:

>> Date: Thu, 25 Jul 2024 20:37:40 -0600
>> From: Gunnar Wolf <gwolf <at> gwolf.org>
>> 
>> Package: emacs
>> 
>> I have Emacs installed in all of my systems. Paricularly, I have
>> emacs-pgtk all systems where I often use a graphical environment (and
>> emacs-nox in those where I don't).
>> 
>> Back when I used X11, if I started Emacs and had no $DISPLAY set, it
>> would open in a terminal. With emacs-pgtk, the behavior is not the
>> same:
>> 
>>     $ emacs foobar
>> 
>>     (emacs:3988): Gtk-WARNING **: 19:19:10.887: cannot open display:
>>     $
>> 
>> This impacted me because I neede to use a remote machine to do work
>> via scripts (i.e. dch, debcommit) that call /usr/bin/editor and I
>> found impossible to hand-specify emacs to use -nw; I ended up
>> installing emacs-nox, but I don't find it to be an acceptable,
>> transparent-enough solution.
>> 
>> I think emacs-pgtk should behave just as emacs-gtk, falling back to
>> the console if a windowed environment is not found.
>
> This is a known problem with the PGTK build, for which unfortunately
> there's no known solution.  See bug#63555 and bug#65886.
>
> Po Lu, it sounds like we need a PROBLEMS entry for this issue, as it
> comes up very frequently.

Now taken care of, thanks.

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