Update 2: Murphy was an optomist. OSX 10.6 is having some issues building Android. Gah!
Update: None of the builds I made under Ubuntu 10.4 x64 would boot, which can't be right. I've rebooted in MacOS and am building again from here. Hopefully this one will boot.
Ok, so here we go - I'm trying to compile 2.1 with the KH5200 kernel. I'm using Polytheus' Tech Notes to guide me thru the req'd changes to RILD, etc. Hopefully I can get something booting today, though I'm not holding my breath. I'll update this post as I progress. 🙂