attached ebuild's patch is a fix for my comment to bug #474654. also here is a patch to make it python3 compatible, so ebuild transformed to python-any-r1 (see also my comment to #494776). Reproducible: Always the upstream bug is here: http://dev.exiv2.org/issues/939
Created attachment 365788 [details, diff] fix building w/ USE=doc also add Py3 support
Created attachment 365790 [details, diff] add python3 support to exiv2
Thanks, everything should be set in-tree now.