The issue was fixed in the Ubuntu package and modern versions of Catalyst work with 5k-series cards, so I'm marking as fix released. Thanks.
** Changed in: fglrx-installer (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/573167 Title: fglrx-installer 8.703 (Ati Radeon HD 5830) can't build package To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/fglrx-installer/+bug/573167/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs