--- a/libdecnumber/aclocal.m4	Thu Oct 25 07:37:49 2018 +0900
+++ b/libdecnumber/aclocal.m4	Thu Feb 13 11:34:05 2020 +0900
@@ -1,8 +1,7 @@
-# generated automatically by aclocal 1.11.6 -*- Autoconf -*-
+# generated automatically by aclocal 1.15.1 -*- Autoconf -*-
 
-# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-# 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
-# Inc.
+# Copyright (C) 1996-2017 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.
@@ -12,7 +11,7 @@
 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 # PARTICULAR PURPOSE.
 
+m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])])
 m4_include([../config/dfp.m4])
-m4_include([../config/override.m4])
 m4_include([../config/stdint.m4])
 m4_include([../config/warnings.m4])