From 06ccdfee76fe487a141b95848d1c866890f15d88 Mon Sep 17 00:00:00 2001
From: Evangelos Foutras <evangelos@foutrelis.com>
Date: Thu, 6 Nov 2014 09:19:26 +0200
Subject: [PATCH] Add missing include to signals2/trackable.hpp

boost::weak_ptr started being used in commit a0bf2d1 (Disconnect slots
associated with signals2::trackable immediately) but the matching header
wasn't included.

https://svn.boost.org/trac/boost/ticket/10100#comment:7
---
 include/boost/signals2/trackable.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/boost/signals2/trackable.hpp b/include/boost/signals2/trackable.hpp
index dba001d..64e8489 100644
--- a/include/boost/signals2/trackable.hpp
+++ b/include/boost/signals2/trackable.hpp
@@ -18,6 +18,7 @@
 
 #include <boost/assert.hpp>
 #include <boost/shared_ptr.hpp>
+#include <boost/weak_ptr.hpp>
 
 namespace boost {
   namespace signals2 {
-- 
2.1.3
 
