From 9b3f89390fcecf075fa14254cab1ad11d02f65a5 Mon Sep 17 00:00:00 2001
From: Bruno Haible <bruno@clisp.org>
Date: Thu, 18 Dec 2008 03:23:14 +0100
Subject: [PATCH] Avoid an error when autoconf 2.59 is used.

---
 ChangeLog     | 4 ++++
 m4/errno_h.m4 | 8 +++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 122bcfed5..5c1d1811d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2008-12-17  Bruno Haible  <bruno@clisp.org>
 
+	* m4/errno_h.m4 (AC_COMPUTE_INT): Provide fallback definition.
+
+2008-12-17  Bruno Haible  <bruno@clisp.org>
+
 	* lib/mbsinit.c: Include verify.h. Verify an assumption.
 	* modules/mbsinit (Depends-on): Add verify.
 	Suggested by Paul Eggert.
diff --git a/m4/errno_h.m4 b/m4/errno_h.m4
index b5af07800..22c08f07f 100644
--- a/m4/errno_h.m4
+++ b/m4/errno_h.m4
@@ -1,4 +1,4 @@
-# errno_h.m4 serial 1
+# errno_h.m4 serial 2
 dnl Copyright (C) 2004, 2006, 2008 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -111,3 +111,9 @@ yes
     AC_SUBST($1[_VALUE])
   fi
 ])
+
+dnl Autoconf >= 2.61 has AC_COMPUTE_INT built-in.
+dnl Remove this when we can assume autoconf >= 2.61.
+m4_ifdef([AC_COMPUTE_INT], [], [
+  AC_DEFUN([AC_COMPUTE_INT], [_AC_COMPUTE_INT([$2],[$1],[$3],[$4])])
+])
-- 
2.11.0