From b12fbeffd6ed3e5847114384b4f7fa501c93ea96 Mon Sep 17 00:00:00 2001
From: Simon Tatham <anakin@pobox.com>
Date: Mon, 18 Nov 2013 19:07:11 +0000
Subject: [PATCH] Restore compatibility with older autoconfs.

The one in Ubuntu 10.04 doesn't know what AM_PROG_AR means, so
configure.ac was broken in r10053 when fixing compatibility with later
versions; you can't win...

[originally from svn r10086]
[r10053 == 2d9cc79d53ec2973c6b8ce47a15561c0f3b9e59c]
---
 unix/configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/unix/configure.ac b/unix/configure.ac
index 108ec86c..29fbde6d 100644
--- a/unix/configure.ac
+++ b/unix/configure.ac
@@ -14,7 +14,7 @@ AM_INIT_AUTOMAKE([-Wall -Werror foreign])
 
 AC_PROG_INSTALL
 AC_PROG_RANLIB
-AM_PROG_AR
+ifdef([AM_PROG_AR],[AM_PROG_AR])
 AM_PROG_CC_C_O
 
 # Mild abuse of the '--enable' option format to allow manual