From 405750f61de396efb09f64897a445cc03f58b2cf Mon Sep 17 00:00:00 2001
From: Ray Speth <speth@mit.edu>
Date: Tue, 29 Aug 2017 21:24:19 -0400
Subject: [PATCH] Fix compilation errors due to implicit dependence on
 <functional>

Some recent versions of libstdc++ require this header for the declaration of
std::function
---
 include/cantera/base/FactoryBase.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/cantera/base/FactoryBase.h b/include/cantera/base/FactoryBase.h
index 1a2ba656d..e4f2c1593 100644
--- a/include/cantera/base/FactoryBase.h
+++ b/include/cantera/base/FactoryBase.h
@@ -12,6 +12,7 @@
 #include <vector>
 #include <mutex>
 #include <unordered_map>
+#include <functional>
 #include "cantera/base/ctexceptions.h"
 #include "cantera/base/global.h"