diff -r -u3 opendnssec-1.4.6/conf/Makefile.am opendnssec-1.4.6.trang/conf/Makefile.am
--- opendnssec-1.4.6/conf/Makefile.am	2014-07-21 11:30:06.000000000 +0200
+++ opendnssec-1.4.6.trang/conf/Makefile.am	2014-09-22 22:48:32.000000000 +0200
@@ -29,7 +29,7 @@
 .rnc.rng:
 	@test -x "${JAVA}" || \
 		(echo "java is required for converting RelaxNG Compact to RelaxNG"; false)
-	${JAVA} -jar ${TRANG} $< $@
+	trang $< $@
 
 regress: $(RNG)
 	@test -x "${XMLLINT}" || \
diff -r -u3 opendnssec-1.4.6/conf/Makefile.in opendnssec-1.4.6.trang/conf/Makefile.in
--- opendnssec-1.4.6/conf/Makefile.in	2014-07-21 11:32:01.000000000 +0200
+++ opendnssec-1.4.6.trang/conf/Makefile.in	2014-09-22 22:48:55.000000000 +0200
@@ -551,7 +617,7 @@
 .rnc.rng:
 	@test -x "${JAVA}" || \
 		(echo "java is required for converting RelaxNG Compact to RelaxNG"; false)
-	${JAVA} -jar ${TRANG} $< $@
+	trang $< $@
 
 regress: $(RNG)
 	@test -x "${XMLLINT}" || \