Subject: bug#53180: libportal missing GTK3 backend

From: Liliana Marie Prikler <[email-masked]>
Date: Tue, 11 Jan 2022 11:04:14 +0100

Hi Guix,

this bug also affects Epiphany (build log attached).  The issue appears
to be that it tries to build without the GTK3 backend, we should
probably enable that.

Cheers