AFAIUI, all packages that fail to build libav11 related have been fixed in Debian. all other package fail to build from source because of reasons unrelated to libav11
** Bug watch added: Debian Bug tracker #757917 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=757917 ** Also affects: libav (Debian) via http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=757917 Importance: Unknown Status: Unknown -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to libav in Ubuntu. https://bugs.launchpad.net/bugs/1360026 Title: Libav11 for Utopic Status in “libav” package in Ubuntu: New Status in “libav” package in Debian: Unknown Bug description: This ticket is to track the Libav11 transition in Utopic. See the discussion on the Mailing list on https://lists.ubuntu.com/archives/ubuntu-devel/2014-August/038435.html The transition is being staged in https://launchpad.net/~motumedia/+archive/ubuntu/libav11/+packages. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libav/+bug/1360026/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp