clipper 2.1.20130601-2 is marked for autoremoval from testing on 2017-01-28
It is affected by these RC bugs: 811763: clipper: FTBFS with GCC 6: narrowing conversion -- debian-science-maintainers mailing list debian-science-maintainers@lists.alioth.debian.org http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/debian-science-maintainers