parser = OptionParser()
parser.add_option('-B', '--build-dir', type='string', default='b',
help='Directory containing the build output')
+parser.add_option('-P', '--processes', type=int,
+ help='set number of processes to use for running tests')
parser.add_option('-t', '--test', action='store_true', dest='test',
default=False, help='run tests')
parser.add_option('-T', '--test-coverage', action='store_true',