From 6a8d31afd7c731835bac3a13c1b793c0062800b3 Mon Sep 17 00:00:00 2001
From: JoelKatz <DavidJoelSchwartz@GMail.com>
Date: Mon, 24 Dec 2012 15:06:07 -0800
Subject: [PATCH] Give a sensible compiler error if Boost is too old.

---
 src/cpp/ripple/utils.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/cpp/ripple/utils.h b/src/cpp/ripple/utils.h
index 92161ffae..001757977 100644
--- a/src/cpp/ripple/utils.h
+++ b/src/cpp/ripple/utils.h
@@ -3,6 +3,11 @@
 
 #include <boost/date_time/posix_time/posix_time.hpp>
 #include <boost/format.hpp>
+#include <boost/version.hpp>
+
+#if BOOST_VERSION < 104700
+#error Boost 1.47 or later is required
+#endif
 
 #include <openssl/dh.h>
 #include "types.h"