See attached build log.
(Please do not complain about the need for looking at the build log until you can provide an easy way to open bugs with the correct data picked out of a tinderbox log. Thanks.)
And please fix metadata, as the proxied maintainer is not registered to bugzilla.
Created attachment 245993 [details]
the updated ebuild correcting this and other problems are in bug 235146
all fixed on bump,