Backport the (L)GPL-3 avoidance rework to the v2019 updates repo
Push to the v2020dev0 release the fixes that get us both etnaviv and working GL under Xvfb without linking to the GPL-2/LGPL-3 libelf, so downstreams can use them.
See also !5 (merged).
Edited by Peter Senna Tschudin