Package contains debian/shlibs.local which is forcing dependency with obsolete libgnat-3.15p-1. Debdiff allows transition to libgnat-4.1.
** Attachment added: "debdiff to resolve unmet deps" http://librarian.launchpad.net/5787738/debdiff -- unmet deps on feisty https://launchpad.net/bugs/80550 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs