For what it's worth... upstream gnubik 2.2 (tarball from gnu.org), when compiled with the latest versions of libgl1-mesa-dev, libglu1-mesa-dev, and libgtkglext1-dev in intrepid, gives the same error.
For what it's worth... upstream gnubik 2.2 (tarball from gnu.org), when compiled with the latest versions of libgl1-mesa-dev, libglu1-mesa-dev, and libgtkglext1-dev in intrepid, gives the same error.