To initialize your local repository use
repo init -u https://github.com/pixeldustproject-p/manifest.git -b p-caf
Then to sync up:
"repo sync -jX" where X is the number of cores in your CPU
To start your build:
$ . build/envsetup.sh
$ lunch pixeldust_<device-name>-userdebug
$ make pixeldust -jX
Where X is the number of cores you want to use for compiling.