WARNING: This is EXTREMELY unstable code. Not for the faint of heart. This code needs to be tested and improved. Feel free to contribute any patch, small or large.
Please note that this cross-compiler suite may support other versions of OS X but requires Leopard in the packages, because it was built against Leopard. Only tested on 10.5.6, other 10.5's may vary. PLEASE REPORT any failures (and successes!).