From 4fc61307814b344ace6c21b54bf3bb73126c2224 Mon Sep 17 00:00:00 2001
From: Marshall Clow <marshall@idio.com>
Date: Mon, 21 Nov 2016 17:53:34 -0800
Subject: [PATCH] BOOST_NO_CXX17_STD_INVOKE for libc++

Make sure that BOOST_NO_CXX17_STD_INVOKE is defined for C++03/11/14 builds.
---
 include/boost/config/stdlib/libcpp.hpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/boost/config/stdlib/libcpp.hpp b/include/boost/config/stdlib/libcpp.hpp
index 96cf57c3..21eafe89 100644
--- a/include/boost/config/stdlib/libcpp.hpp
+++ b/include/boost/config/stdlib/libcpp.hpp
@@ -73,8 +73,11 @@
 #if _LIBCPP_VERSION < 3700
 // libc++ uses a non-standard messages_base
 #define BOOST_NO_STD_MESSAGES
+#endif
+
 // C++17 features
-#define BOOST_NO_CXX17_STD_INVOKE
+#if (_LIBCPP_VERSION < 3700) || (__cplusplus <= 201402L)
+#  define BOOST_NO_CXX17_STD_INVOKE
 #endif
 
 #if (_LIBCPP_VERSION <= 1101) && !defined(BOOST_NO_CXX11_THREAD_LOCAL)