This better reflects what the event handler is doing -- it's no longer a pile
of random base event handling bits, it now just displays a build summary at
build start.
Signed-off-by: Chris Larson <chris_larson@mentor.com>
bb.fatal('The following variable(s) were not set: %s\nPlease set them directly, or choose a MACHINE or DISTRO that sets them.' % ', '.join(pesteruser))