From cf266d22e4dac67b04fb7402a19accc584665520 Mon Sep 17 00:00:00 2001
From: Marcel Raad <MarcelRaad@users.noreply.github.com>
Date: Fri, 29 May 2015 11:26:59 +0200
Subject: [PATCH] Fix compilation with BOOST_BIND_NO_PLACEHOLDERS

If BOOST_BIND_NO_PLACEHOLDERS is defined, there is no namespace boost::placeholders.
---
 include/boost/bind.hpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/boost/bind.hpp b/include/boost/bind.hpp
index e8accaa..450120c 100644
--- a/include/boost/bind.hpp
+++ b/include/boost/bind.hpp
@@ -21,6 +21,8 @@
 
 #include <boost/bind/bind.hpp>
 
+#ifndef BOOST_BIND_NO_PLACEHOLDERS
+
 #if defined(BOOST_CLANG)
 # pragma clang diagnostic push
 # if  __has_warning("-Wheader-hygiene")
@@ -34,4 +36,6 @@ using namespace boost::placeholders;
 # pragma clang diagnostic pop
 #endif
 
+#endif // #ifndef BOOST_BIND_NO_PLACEHOLDERS
+
 #endif // #ifndef BOOST_BIND_HPP_INCLUDED