Ignore this, the problem was due to a wrong alias in my .bashrc. Sorry
for the noise!

On Mon, 31 Dec 2018 11:17:00 +0100
Rutger Helling <rhelling@mykolab.com> wrote:

> Hi Guix,
> 
> I've discovered that our SDL2 unfortunately does not correctly support
> Wayland at the moment. I found while running Xonotic I could still
> kill the window with xkill, even with the SDL_VIDEODRIVER=wayland
> variable set. I unset the DISPLAY variable and tried running it that
> way and found that it gave an error and refused to start.
> 
> This patch should fix the support. I can now run 'DISPLAY=""
> SDL_VIDEODRIVER=wayland xonotic' and it'll run. The window cannot be
> killed by xkill, which means it's running Wayland natively.