I looks like this has been changed upstream (5.36 10-Oct-2016). Noof works fine and the above code has been changed. Line 31 in hacks/glx/noof.c reads:
static int dbuf_p = 1; /* always */ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1390304 Title: Noof does not preview or run To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xscreensaver/+bug/1390304/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs