From 21f027fa45bdcff0893fd4d993c9adcbad048085 Mon Sep 17 00:00:00 2001
From: Jake Langham <jakelangham@mykolab.com>
Date: Wed, 4 Sep 2024 16:49:28 +0100
Subject: [PATCH] Require autoconf >= 2.68

needed for m4_esyscmd_s
---
 configure.ac | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure.ac b/configure.ac
index 227640b..f025c69 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,3 +1,4 @@
+AC_PREREQ([2.68])
 AC_INIT([Kestrel], 
         [m4_esyscmd_s([git describe --tags])], 
         [Mark.Woodhouse@bristol.ac.uk, J.Langham@bristol.ac.uk])