Index: sbin/route/route.c
===================================================================
--- sbin/route/route.c
+++ sbin/route/route.c
@@ -1181,6 +1181,7 @@
 	}
 #ifndef INET
 	hpp = NULL;
+	(void)hpp; /* Silence Clang set but not used warning. */
 #endif
 	rtm_addrs |= (1 << idx);
 	sa = (struct sockaddr *)&so[idx];