It looks like that will bump the "apt-get" cross-compiler versions up just slightly. Currently using GCC 4.5.2 (December 16, 2010). Will be using GCC 4.5.3 (April 28, 2011) - http://packages.ubuntu.com/xenial/g++-arm-linux-gnueabi - http://packages.ubuntu.com/xenial/g++-arm-linux-gnueabihf