diff --git a/Makefile.am b/Makefile.am
index ac073326..52fe889c 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -22,19 +22,9 @@ libinclude_HEADERS = \
 
 ## ========================================================================= ##
 
-## Build test applications
-noinst_PROGRAMS =
-
-# ts A80110 : I am too lazy for now to apply the ng patch to test.c .
-# noinst_PROGRAMS = 
-#	test/test
-
-# test_test_CPPFLAGS = -Ilibisofs -Ilibburn -Ilibisoburn
-# test_test_LDADD = $(libisoburn_libisoburn_la_OBJECTS) $(THREAD_LIBS) -lburn -lisofs
-# test_test_SOURCES = test/test.c 
-
-
 
+# This is the reference application of libisoburn. See man xorriso/xorriso.1
+# 
 bin_PROGRAMS = \
 	xorriso/xorriso
 
@@ -50,6 +40,27 @@ xorriso_xorriso_SOURCES = \
 	xorriso/xorriso_timestamp.h
 
 
+## Build test applications
+noinst_PROGRAMS = \
+	test/compare_file
+
+# A program to compare two files in mirrored trees in mounted filesystems
+# To compare tree /media/dvd and /original/dir :
+#   find /media/dvd -exec test/compare_file '{}' /media/dvd /original/dir ';'
+#
+test_compare_file_CPPFLAGS =
+test_compare_file_CFLAGS =
+test_compare_file_LDADD =
+test_compare_file_SOURCES = test/compare_file.c
+
+# ts A80110 - A80210 : we need as minimal demo something better than test.c 
+#	test/test
+
+# test_test_CPPFLAGS = -Ilibisofs -Ilibburn -Ilibisoburn
+# test_test_LDADD = $(libisoburn_libisoburn_la_OBJECTS) $(THREAD_LIBS) -lburn -lisofs
+# test_test_SOURCES = test/test.c 
+
+
 ## ========================================================================= ##
 
 ## Build documentation (You need Doxygen for this to work)
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index 6cea9ae5..0d9d7bde 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2008.02.10.122020"
+#define Xorriso_timestamP "2008.02.10.130852"