[sonic@bsdbox ~/zaurus/build]$ bitbake nano
ERROR: no files to build.

NOTE: Parsing finished. 0 cached, 0 parsed, 0 skipped, 0 masked.
ERROR:  Openembedded'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:

        Please set TARGET_ARCH directly, or choose a MACHINE or DISTRO that does so.
Please set TARGET_OS directly, or choose a MACHINE or DISTRO that does so.
Please set a valid MACHINE in your local.conf
DISTRO 'None' not found. Please set a valid DISTRO in your local.conf