From 3370ea2f794b8e36214eb4fadfccee01e109eb81 Mon Sep 17 00:00:00 2001
From: jzmaddock <john@johnmaddock.co.uk>
Date: Wed, 19 Oct 2016 19:27:37 +0100
Subject: [PATCH] Add missing #include. Fixes
 https://svn.boost.org/trac/boost/ticket/12537.

---
 include/boost/math/tools/tuple.hpp         |  1 +
 test/compile_test/tools_tuple_inc_test.cpp | 10 ++++++++++
 2 files changed, 11 insertions(+)
 create mode 100644 test/compile_test/tools_tuple_inc_test.cpp

diff --git a/include/boost/math/tools/tuple.hpp b/include/boost/math/tools/tuple.hpp
index 5723f8133..81de59fa3 100644
--- a/include/boost/math/tools/tuple.hpp
+++ b/include/boost/math/tools/tuple.hpp
@@ -6,6 +6,7 @@
 #ifndef BOOST_MATH_TUPLE_HPP_INCLUDED
 #  define BOOST_MATH_TUPLE_HPP_INCLUDED
 #  include <boost/config.hpp>
+#  include <boost/detail/workaround.hpp>
 
 #if !defined(BOOST_NO_CXX11_HDR_TUPLE) && !BOOST_WORKAROUND(BOOST_GCC_VERSION, < 40500)
 
diff --git a/test/compile_test/tools_tuple_inc_test.cpp b/test/compile_test/tools_tuple_inc_test.cpp
new file mode 100644
index 000000000..39910e9b7
--- /dev/null
+++ b/test/compile_test/tools_tuple_inc_test.cpp
@@ -0,0 +1,10 @@
+//  Copyright John Maddock 2006.
+//  Use, modification and distribution are subject to the
+//  Boost Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+// Basic sanity check that header <boost/math/tools/config.hpp>
+// #includes all the files that it needs to.
+//
+#include <boost/math/tools/tuple.hpp>
+