From 6654fb270180a96c8aa0d51a859611621dc25a64 Mon Sep 17 00:00:00 2001
From: Richard Roberts <richard.jw.roberts@gmail.com>
Date: Tue, 24 Dec 2013 14:48:39 -0500
Subject: [PATCH] Fixed compiler error on MSVC 10.0

---
 gtsam/base/DerivedValue.h | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/gtsam/base/DerivedValue.h b/gtsam/base/DerivedValue.h
index 9c61667ff..49528a126 100644
--- a/gtsam/base/DerivedValue.h
+++ b/gtsam/base/DerivedValue.h
@@ -17,9 +17,26 @@
 
 #pragma once
 #include <boost/make_shared.hpp>
-#include <boost/pool/singleton_pool.hpp>
 #include <gtsam/base/Value.h>
 
+//////////////////
+// The following includes windows.h in some MSVC versions, so we undef min, max, and ERROR
+#include <boost/pool/singleton_pool.hpp>
+
+#ifdef min
+#undef min
+#endif
+
+#ifdef max
+#undef max
+#endif
+
+#ifdef ERROR
+#undef ERROR
+#endif
+//////////////////
+
+
 namespace gtsam {
 
 template<class DERIVED>