parser.add_argument('--opencv',metavar='DIR',default=folder,help='folder with opencv repository (default is "../.." relative to script location)')
parser.add_argument('--contrib',metavar='DIR',default=None,help='folder with opencv_contrib repository (default is "None" - build only main framework)')
parser.add_argument('--without',metavar='MODULE',default=[],action='append',help='OpenCV modules to exclude from the framework')
parser.add_argument('--disable',metavar='FEATURE',default=[],action='append',help='OpenCV features to disable (add WITH_*=OFF)')
parser.add_argument('--enable_nonfree',default=False,dest='enablenonfree',action='store_true',help='enable non-free modules (disabled by default)')