To get started with Android/CyanogenMod, you'll need to get to be running Linux here is how to setup your Enviornment.

To initialize your local repository using the MTCM9 trees, use a command like this:

repo init -u https://github.com/MTCM9/android.git -b dsmryder

Then to sync up:

repo sync

Now time to build:

. build/envsetup.sh && brunch triumph -j'grep 'processor' /proc/cpuinfo | wc -l'