--- netkit-bootparamd-0.17.orig/MRULES	1997-03-08 10:15:54.000000000 -0600
+++ netkit-bootparamd-0.17/MRULES	2015-03-07 14:24:01.850444545 -0600
@@ -1,8 +1,8 @@
 # Standard compilation rules (don't use make builtins)
 
 %.o: %.c
-	$(CC) $(CFLAGS) $< -c
+	$(CC) $(CPPFLAGS) $(CFLAGS) $< -c
 
 %.o: %.cc
-	$(CC) $(CFLAGS) $< -c
+	$(CC) $(CPPFLAGS) $(CFLAGS) $< -c