diff --git a/libisoburn/trunk/releng/README b/libisoburn/trunk/releng/README
index ee4dfe69..2306eaee 100644
--- a/libisoburn/trunk/releng/README
+++ b/libisoburn/trunk/releng/README
@@ -5,7 +5,7 @@ libisoburn/releng. By George Danchev <danchev@spnet.net>
                   and Thomas Schmitt <scdbackup@gmx.net>
 
 Test suite for xorriso and libburnia libraries.
-Copyright (C) 2011 George Danchev, Thomas Schmitt
+Copyright (C) 2011 - 2012 George Danchev, Thomas Schmitt
 Provided under GPL version 2 or later.
 ------------------------------------------------------------------------------
 
@@ -136,6 +136,7 @@ Any auto_* script can be run on its own. Some of them demand option -x.
 All general options are accepted.
 
 ./auto_cxx
+  Not included in GNU xorriso.
   Exercises inclusion of xorriso/xorriso.h and libisoburn/libisoburn.h
   in C++ programs and linking of the libraries. It might be necessary
   to set compiler options by shell variable CFLAGS before running the test.
diff --git a/libisoburn/trunk/releng/TODO b/libisoburn/trunk/releng/TODO
index c64dfed3..5df56f59 100644
--- a/libisoburn/trunk/releng/TODO
+++ b/libisoburn/trunk/releng/TODO
@@ -40,4 +40,3 @@
   shall present the manual tests, give an opportunity to skip the test,
   and ask for parameters,
 
-* derive a GNU xorriso test suite from libisoburn test suite
diff --git a/libisoburn/trunk/xorriso/make_xorriso_standalone.sh b/libisoburn/trunk/xorriso/make_xorriso_standalone.sh
index a39b6870..53a2d812 100755
--- a/libisoburn/trunk/xorriso/make_xorriso_standalone.sh
+++ b/libisoburn/trunk/xorriso/make_xorriso_standalone.sh
@@ -78,6 +78,16 @@ copy_files() {
   fi
 }
 
+copy_tree() {
+  if cp -a "$@"
+  then
+    dummy=dummy
+  else
+    echo "Failed to : cp -a " "$@" >&2
+    exit 1
+  fi
+}
+
 if test -e "$lone_dir"
 then
   echo "Already existing : $lone_dir" >&2
@@ -224,6 +234,13 @@ copy_files \
  "$lone_dir"/test/compare_file.c
 
 
+# releng
+
+copy_tree releng "$lone_dir"/releng
+
+rm "$lone_dir"/releng/auto_cxx
+
+
 # nglibisofs
 
 create_dir "$lone_dir"/libisofs
diff --git a/libisoburn/trunk/xorriso/xorriso_timestamp.h b/libisoburn/trunk/xorriso/xorriso_timestamp.h
index 07a59e97..e1b0107c 100644
--- a/libisoburn/trunk/xorriso/xorriso_timestamp.h
+++ b/libisoburn/trunk/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2012.04.19.074422"
+#define Xorriso_timestamP "2012.04.21.193504"