--- Makefile.in.orig	2008-05-06 10:54:40.000000000 -0500
+++ Makefile.in	2010-10-02 18:06:58.000000000 -0500
@@ -224,3 +224,3 @@
 CLEANFILES = org_opennms_netmgt_rrd_rrdtool_Interface.h jrrd.jar
-jardir = $(datadir)/java
+jardir = $(datadir)/java/classes
 jar_DATA = jrrd.jar