diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog
index 848b3c474968..6216687843f6 100644
--- a/libcpp/ChangeLog
+++ b/libcpp/ChangeLog
@@ -1,3 +1,7 @@
+2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
+
+	* aclocal.m4: Regenerated with automake-1.11.6.
+
 2015-05-13  David Malcolm  <dmalcolm@redhat.com>
 
 	* include/line-map.h (linemap_assert): Move up within the file to
diff --git a/libcpp/aclocal.m4 b/libcpp/aclocal.m4
index c3a9f037ae8f..c6d3bf877625 100644
--- a/libcpp/aclocal.m4
+++ b/libcpp/aclocal.m4
@@ -1,7 +1,8 @@
-# generated automatically by aclocal 1.11.1 -*- Autoconf -*-
+# generated automatically by aclocal 1.11.6 -*- Autoconf -*-
 
 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-# 2005, 2006, 2007, 2008, 2009  Free Software Foundation, Inc.
+# 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
+# Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.