diff --git a/m4/.gitignore b/m4/.gitignore
index a16cf9a..e6582ea 100644
--- a/m4/.gitignore
+++ b/m4/.gitignore
@@ -1,4 +1,5 @@
 00gnulib.m4
+absolute-header.m4
 assert.m4
 btowc.m4
 codeset.m4
diff --git a/m4/gnulib-cache.m4 b/m4/gnulib-cache.m4
index 9a93f9c..bcd448d 100644
--- a/m4/gnulib-cache.m4
+++ b/m4/gnulib-cache.m4
@@ -1,4 +1,4 @@
-# Copyright (C) 2002-2013 Free Software Foundation, Inc.
+# Copyright (C) 2002-2014 Free Software Foundation, Inc.
 #
 # This file is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by