Look for ports in system folder but not in current folder, fallback on argument.
Look for ports in system folder but not in current folder, fallback on argument.

Looking for ports in current folder is a bad idea, since this could cause
accidental matches.

`derive-path-from-name' used to ignore its argument, thus preventing
+platform-port-command+ from being useful.

jmercouris/NeXT,jmercouris/NeXT