:: commit ff7bc7e6e4c797bd1eec92745853aeb7ca27f5e8

diff --git a/Makefile.am b/Makefile.am
index 206457e..3d38148 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -76,3 +76,4 @@ roundtrip: $(BZIP3)
 	./$(BZIP3) -v -feb 6 $(srcdir)/LICENSE $(builddir)/LICENSE.bz3
 	./$(BZIP3) -v -d $(builddir)/LICENSE.bz3 $(builddir)/LICENSE2
 	cmp $(srcdir)/LICENSE $(builddir)/LICENSE2
+	command -v md5sum >/dev/null 2>&1 && md5sum $(builddir)/LICENSE.bz3