From 4338af3c49e10a798ef5b2ef306395b3f183418f Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@pdimov.com>
Date: Sat, 13 May 2017 01:41:09 +0300
Subject: [PATCH] Disable constexpr mp_for_each test on libc++/C++11 due to
 std::forward not constexpr

---
 test/mp_for_each.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/test/mp_for_each.cpp b/test/mp_for_each.cpp
index b7d0a21..31ad7c5 100644
--- a/test/mp_for_each.cpp
+++ b/test/mp_for_each.cpp
@@ -48,7 +48,8 @@ int main()
 
     BOOST_TEST_EQ( (mp_for_each<std::pair<int, short>>( F{0} ).s), 12 );
 
-#if !defined( BOOST_NO_CXX11_CONSTEXPR )
+#if defined( BOOST_NO_CXX11_CONSTEXPR ) || ( defined( _LIBCPP_VERSION ) && __cplusplus < 201400L )
+#else
 
     static_assert( mp_for_each<mp_list<>>( 11 ) == 11, "mp_for_each<mp_list<>>( 11 ) == 11" );
     static_assert( mp_for_each<std::tuple<>>( 12 ) == 12, "mp_for_each<std::tuple<>>( 12 ) == 12" );