[slug@laptop slugos-3.10-beta]$ . ./setup-env
[slug@laptop slugos-3.10-beta]$ bb virtual/armeb-linux-gcc virtual/libc
NOTE: Using cache in '/home/slug/releases/slugos-3.10-beta/slugos-nslu2be.tmp/cache'
NOTE: Parsing finished. 0 cached, 3317 parsed, 147 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.
[slug@laptop slugos-3.10-beta]$