-# These are the default directories. They will be replaced by the
-# configured directories at install time.
+import os
+PKGDATADIR = os.environ.get("OVS_PKGDATADIR", """/usr/local/share/openvswitch""")
+RUNDIR = os.environ.get("OVS_RUNDIR", """/var/run""")
+LOGDIR = os.environ.get("OVS_LOGDIR", """/usr/local/var/log""")
+BINDIR = os.environ.get("OVS_BINDIR", """/usr/local/bin""")