help="Don't build, just configure each commit")
parser.add_option('-e', '--show_errors', action='store_true',
default=False, help='Show errors and warnings')
+ parser.add_option('-E', '--warnings-as-errors', action='store_true',
+ default=False, help='Treat all compiler warnings as errors')
parser.add_option('-f', '--force-build', dest='force_build',
action='store_true', default=False,
help='Force build of boards even if already built')