From 2d9cc79d53ec2973c6b8ce47a15561c0f3b9e59c Mon Sep 17 00:00:00 2001
From: Simon Tatham <anakin@pobox.com>
Date: Sat, 26 Oct 2013 14:00:10 +0000
Subject: [PATCH] Fix build failures on Ubuntu 13.10.

Automake now insists that we run AM_PROG_AR if we're going to build a
library, and AM_PROG_CC_C_O if we're going to build anything with
extra compile options. Those extra macros seem harmless in previous
versions of automake.

[originally from svn r10053]
---
 unix/configure.ac | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/unix/configure.ac b/unix/configure.ac
index c0756fdd..108ec86c 100644
--- a/unix/configure.ac
+++ b/unix/configure.ac
@@ -14,6 +14,8 @@ AM_INIT_AUTOMAKE([-Wall -Werror foreign])
 
 AC_PROG_INSTALL
 AC_PROG_RANLIB
+AM_PROG_AR
+AM_PROG_CC_C_O
 
 # Mild abuse of the '--enable' option format to allow manual
 # specification of setuid or setgid setup in pterm.