On Wed, Sep 09, 2026 at 12:33:49PM -0700, Thomas Dineen wrote: > Coded in C, built on Debian with native gcc > > App uses C GTK2 Cairo > > Konsole > echo $DISPLAY > :0 > > Mate > echo $DISPLAY > wayland-0 > > X-Term > echo $DISPLAY > :0 > > Do I just need to do a setenv?
Worth a try. If you start the application from the command line anyway, just prefix the environment assignment like so: DISPLAY=:0 <your-application> This should work. The interesting question now is: why is Mate misbehaving (or rather: the environment the shell whithin that inherits). But that doesn't have anything to do with your app. Cheers -- t
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