Upstream gnome shell git introduced src/gvc as a submodule which causes the current build to fail. Reproducible: Always Steps to Reproduce: 1. Using the gnome overlay; emerge -1 '=gnome-base/gnome-shell-9999'
Created attachment 375950 [details, diff] Patch to enable EGIT_HAS_SUBMODULE
It has been long but finally did something to fix it. commit 1dc3e93d1d1aab43e5cea648336785a17010260b Author: Gilles Dartiguelongue <eva@gentoo.org> Date: Tue Nov 4 00:05:55 2014 +0100 eclass/gnome2-live.eclass: switch to git-r3 Seems to work just fine and has submodule checkout working out of the box which should fix bug #508964. Thanks for reporting.