On Wed, Jan 30, 2019 at 07:02:29PM +0100, Ricardo Wurmus wrote: > The solution might be to use glib-or-gtk-build-system instead of > gnu-build-system. This would wrap the binary in the required > variables. > > Would someone like to try this before we make the change in the master > branch? I did and nothing changed. I was a bit surprised that icecat does not get rebuilt. In any case, XDG_DATA_DIRS still does not appear as an environment variable in $HOME/.guix-profile/etc/profile after installing icecat. Andreas