From 5c21b6a5251523453ef3d02cc7e44dbfb31275eb Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Fri, 13 Dec 2019 19:16:51 +0200
Subject: [PATCH] Add deprecation notice to boost/bind.hpp

---
 include/boost/bind.hpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/include/boost/bind.hpp b/include/boost/bind.hpp
index 450120c..232f55b 100644
--- a/include/boost/bind.hpp
+++ b/include/boost/bind.hpp
@@ -7,7 +7,6 @@
 # pragma once
 #endif
 
-//
 //  bind.hpp - binds function objects to arguments
 //
 //  Copyright (c) 2009, 2015 Peter Dimov
@@ -18,6 +17,15 @@
 //
 //  See http://www.boost.org/libs/bind/bind.html for documentation.
 //
+//  For backward compatibility, this header includes
+//  <boost/bind/bind.hpp> and then imports the placeholders _1, _2,
+//  _3, ... into the global namespace. Definitions in the global
+//  namespace are not a good practice and this use is deprecated.
+//  Please switch to including <boost/bind/bind.hpp> directly,
+//  adding the using directive locally where appropriate.
+
+#include <boost/config/header_deprecated.hpp>
+BOOST_HEADER_DEPRECATED( "<boost/bind/bind.hpp>" )
 
 #include <boost/bind/bind.hpp>