On Tue, Sep 08, 2026 at 09:41:12PM -0700, Thomas Dineen wrote: > Coded in C, built on Debian with native C > > Not on git hub yet. > > Dose not by intention use Wayland. > > App uses C GTK Cairo. > > Do I need to install Wayland? Package Name?
In both terminals, before starting the application, please
enter:
echo $DISPLAY
and tell us the result. This may shed light onto the first
error ("Cannot open display...").
The second error has most probably nothing to do with the
first (the application termination after running for a
while).
Cheers
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