--- old/make/autoconf/configure.ac	2018-01-25 22:27:19.616583970 +0100
+++ new/make/autoconf/configure.ac	2018-01-25 22:27:19.448583137 +0100
@@ -1,5 +1,5 @@
 SRC#
-# Copyright (c) 2011, 2017, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -63,9 +63,6 @@
 # custom sources.
 #CUSTOM_AUTOCONF_INCLUDE
 
-# Do not change or remove the following line, it is needed for consistency checks:
-DATE_WHEN_GENERATED=@DATE_WHEN_GENERATED@
-
 ###############################################################################
 #
 # Initialization / Boot-strapping