Needed to get rid of old ebuilds using old eclasses
amd64 stable
commit 66707f80120bfca75976c7889f6175fbe3690e37 Author: Rolf Eike Beer <eike@sf-mail.de> Date: Wed Mar 7 20:55:45 2018 +0100 net-ftp/oftpd: stable 0.3.7-r10 for sparc, bug #648398
x86 stable
ppc64 stable
arm stable
ppc/sh stable, old dropped.