How do I build the jailbreak iPhone toolchain on Snow Leopard?

I want to build the toolchain for iphone on the snow leopard.I search on google and开发者_StackOverflow中文版 the answer is always for leopard.I replant it on snow leopard but there are some error.I can't build it.Does somebody had build it?

If you want to try develop iPhone apps w/out certificate, just install iPhone SDK and follow this: http://iphonesdkdev.blogspot.com/2009/06/use-xcode-312-to-build-sdk-30-app-to-30.html