From 162e48d14ad118298de1e1e958c214d0c5403481 Mon Sep 17 00:00:00 2001
From: jzmaddock <john@johnmaddock.co.uk>
Date: Fri, 31 Mar 2017 18:34:14 +0100
Subject: [PATCH] Remove dependency to mpl and type_traits.

---
 include/boost/integer/common_factor_rt.hpp | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/include/boost/integer/common_factor_rt.hpp b/include/boost/integer/common_factor_rt.hpp
index 64224e4..6d035b0 100644
--- a/include/boost/integer/common_factor_rt.hpp
+++ b/include/boost/integer/common_factor_rt.hpp
@@ -22,8 +22,11 @@
 #include <climits>           // for CHAR_MIN
 #include <boost/detail/workaround.hpp>
 
-#ifndef  BOOST_NO_CXX11_NOEXCEPT
-#include <boost/type_traits/is_arithmetic.hpp>
+#if !defined(BOOST_NO_CXX11_NOEXCEPT) && !defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS)
+#  include <type_traits>
+#  define BOOST_INT_NOEXCEPT(T) BOOST_NOEXCEPT_IF(std::is_arithmetic<T>::value)
+#else
+#  define BOOST_INT_NOEXCEPT(T)
 #endif
 
 #ifdef BOOST_MSVC
@@ -36,8 +39,6 @@ namespace boost
 namespace integer
 {
 
-#define BOOST_INT_NOEXCEPT(T) BOOST_NOEXCEPT_IF(boost::is_arithmetic<T>::value)
-
 //  Forward declarations for function templates  -----------------------------//
 
 template < typename IntegerType >