import os, sys from pypy.translator.goal import gcbench # _____ Define and setup target ___ def target(*args): gcbench.ENABLE_THREADS = False # not RPython return gcbench.entry_point, None """ Why is this a stand-alone target? The above target specifies None as the argument types list. This is a case treated specially in the driver.py . If the list of input types is empty, it is meant to be a list of strings, actually implementing argv of the executable. """