From 949efebe72ff0870e301d3172934a903f7dbddca Mon Sep 17 00:00:00 2001
From: Jing Dong <jdong@gatech.edu>
Date: Wed, 6 May 2015 12:02:46 -0400
Subject: [PATCH] fix missing boost header under linux

---
 gtsam/nonlinear/Expression.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gtsam/nonlinear/Expression.h b/gtsam/nonlinear/Expression.h
index 502579cf7..1c4331de8 100644
--- a/gtsam/nonlinear/Expression.h
+++ b/gtsam/nonlinear/Expression.h
@@ -27,6 +27,7 @@
 #include <boost/bind.hpp>
 #include <boost/range/adaptor/map.hpp>
 #include <boost/range/algorithm.hpp>
+#include <boost/make_shared.hpp>
 
 class ExpressionFactorShallowTest;