From a2a810d2c1eae9006f6ed2f7f45c5084656ed496 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@pdimov.com>
Date: Wed, 12 Jul 2006 22:12:01 +0000
Subject: [PATCH] Put back #include <functional> in case functionN.hpp is used
 directly

[SVN r34519]
---
 include/boost/function/detail/prologue.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/boost/function/detail/prologue.hpp b/include/boost/function/detail/prologue.hpp
index 1ef5f6e..ab2b323 100644
--- a/include/boost/function/detail/prologue.hpp
+++ b/include/boost/function/detail/prologue.hpp
@@ -11,6 +11,7 @@
 #define BOOST_FUNCTION_PROLOGUE_HPP
 #  include <cassert>
 #  include <algorithm>
+#  include <functional> // unary_function, binary_function
 #  include <boost/throw_exception.hpp>
 #  include <boost/config.hpp>
 #  include <boost/function/function_base.hpp>