4 BitBake Terms

Below is a list of terms and definitions common to BitBake.

The datastore is a dictionary-like object represented by the DataSmart class in BitBake (in lib/bb/data_smart.py) and contains the values of variables under the current execution of BitBake. As explained in Locating and Parsing Recipes, BitBake parses recipes, bbappends, and classes and stores the values of various variables into the datastore.

The datastore is available by default in recipes and classes under the name d.

The datastore defines several helper functions to read, write or manipulate BitBake variables, which are documented in the Functions for Accessing Datastore Variables section.