I did a diff between the source of the two versions and noticed this suspicious change in debian/rules:
4.1.6: --builtin-libraries=replace,ccan 4.3.9: --builtin-libraries=replace,ccan,samba-cluster-support -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1597858 Title: Samba package version 2:4.3.9+dfsg-0ubuntu0.14.04.3 is not compile with CTDB support To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1597858/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs