server-config.o depends on Makefile.

src/server/Makefile.src

 #
-# $Id: Makefile.src,v 1.11 1994/03/05 17:27:49 ceder Exp $
+# $Id: Makefile.src,v 1.12 1994/03/05 18:17:22 ceder Exp $
 # Copyright (C) 1991  Lysator Academic Computer Association.
 #
 # This file is part of the LysKOM server.
@@ -128,7 +128,7 @@ tags:
 		$(TOPDIR)/src/libraries/libisc-new/src/*.c \
 		$(TOPDIR)/src/libraries/lib*/*.c
 
-server-config.o:
+server-config.o: Makefile
 	$(CC) -c $(CPPFLAGS) -DDEFAULT_PREFIX='"$(prefix)"' $(ALL_CFLAGS) $<
 ]
 define([preinstall],[[$(PROGRAMS)]])dnl