When trying to build vobcopy from source, I find that this may be a bug with libdvdread.so actually.
/usr/lib/gcc/x86_64-linux-gnu/4.6.1/../../../../lib/libdvdread.so: undefined reference to `dlopen' /usr/lib/gcc/x86_64-linux-gnu/4.6.1/../../../../lib/libdvdread.so: undefined reference to `dlclose' /usr/lib/gcc/x86_64-linux-gnu/4.6.1/../../../../lib/libdvdread.so: undefined reference to `dlsym' libdvdread4: Installed: 4.1.3-10ubuntu4 Candidate: 4.1.3-10ubuntu4 Version table: *** 4.1.3-10ubuntu4 0 500 http://us.archive.ubuntu.com/ubuntu/ oneiric/universe amd64 Packages 100 /var/lib/dpkg/status ** Also affects: libdvdread Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/862777 Title: vobcopy and libdvdread undefined symbol: dlopen To manage notifications about this bug go to: https://bugs.launchpad.net/libdvdread/+bug/862777/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs