Am 31.08.12 16:40, schrieb Richard Oudkerk: > I suspect a bigger issue is the fact that *.pyc files cannot be > written to $(srcdir)/Lib/__pycache__. This means that to complete > the build, $(PYTHON_FOR_BUILD) should probably include the -B flag to > prevent it from trying to write *.pyc files to a read-only location. Why is that? python will work just fine if it can't write pyc files. > But that still leaves you with a python which only works with the -B > flag. Maybe library files could be linked/copied to some writable > directory early in sys.path. Just for running setup.py? I don't see the need for that.