I was able to get past this (on 10.04) by manually building the latest version of xcb and installing to /usr/local: $ cd /usr/local/src $ curl http://xcb.freedesktop.org/dist/libxcb-1.7.tar.bz2 | tar xjf - $ cd libxcb-1.7 $ ./configure $ make $ sudo make install All other dependencies (including xcb...