В ридми же написано, что по запуску скриптов будут собраны рутфс и ядро.
ERROR: OE-core's config sanity checker detected a potential misconfiguration.
Either fix the cause of this error or at your own risk disable the checker (see sanity.conf).
Following is the list of potential problems / advisories:
Bitbake version 1.39.1 is required and version 1.36.0 was found
DISTRO 'angstrom-v2013.06' not found. Please set a valid DISTRO in your local.conf