Wayland support

[Darxus]

On Precise, when GTK is rebuilt with the Wayland backend enabled, gnomine and mahjongg do not work with Wayland.

The maintainer of those packages suggests this is a problem with vala, which they were recently ported to.

The error they give is:

(mahjongg:13452): Gdk-ERROR **: Unsupported GDK backend: wayland
(gnomine:14033): Gdk-ERROR **: Unsupported GDK backend: wayland

Info on GTK Wayland support:
http://developer.gnome.org/gtk3/3.3/ch24s02.html#id1502079
http://wayland.freedesktop.org/gtk.html

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Darxus (darxus)]

Extra fun: They both work when I run them through strace. And still don't work when I run them without strace.

I know I once read something about how that's possible but I'm not finding it, any suggestions?

[Nerdopolis (bluescreen-avenger)]

This still exists in precise when using the latest GTK git, somehow these paticular apps don't detect the existing Wayland backend, unless they are started with gdb, strace, or ltrace.

AND interestingly enough, for example if I copy gnomine out of /usr/games into /usr/bin, and start it directly with /usr/bin/gnomine, it works with the Wayland backend, but if I run it as /usr/games/gnomine, it fails to find the Wayland backend...

[Robert Ancell (robert-ancell)]

This wont be anything to do with Vala. Does this still occur?

[Jeremy Bícha (jbicha)]

These apps work in Ubuntu GNOME 16.04 LTS using GNOME on Wayland. I don't think there's really any support for GNOME on Wayland before that version.