GNU bug report logs - #65886
29.1; pgtk emacs should assume --no-window-system when there is no window system

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From: Björn Bidar <bjorn.bidar <at> thaodan.de>
To: 65886 <at> debbugs.gnu.org
Cc: trentbuck <at> gmail.com, luangruo <at> yahoo.com
Subject: bug#65886: 29.1; pgtk emacs should assume --no-window-system when there is no window system
Date: Tue, 12 Sep 2023 21:02:42 +0300

Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text
editors" <bug-gnu-emacs <at> gnu.org> writes:

>> Non-pgtk GTK emacs does this, i.e. this is a regression/inconsistency.
>
> This is because here, Emacs knows exactly which GDK backend will be
> loaded (X11) and what environment variable to check.

Would it make sense for Emacs to first check if $WAYLAND_DISPLAY or
$DISPLAY is set or $XDG_RUNTIME_DIR/wayland-0 is present?

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