At least some of these look like warnings that the current compiler treats as errors. They probably should be fixed upstream. I found this mailinglist post without answers that might describe the problem:
https://java.net/projects/jitsi/lists/dev/archive/2013-04/message/223 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1214294 Title: Sync jitsi 2.3.4687.9786-1 (universe) from Debian unstable (main) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1214294/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
