From a5174232d53c05b6e89a75ed5a25a047dde598e6 Mon Sep 17 00:00:00 2001
From: Robert Maynard <robert.maynard@kitware.com>
Date: Wed, 9 Jan 2013 10:19:11 -0500
Subject: [PATCH] Correctly define ZMQ_DELETED_FUNCTION when using older clang
 compilers.

If you are using a version of clang that doesn't support cxx_deleted_functions
we need to define ZMQ_DELETED_FUNCTION to be empty.
---
 zmq.hpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/zmq.hpp b/zmq.hpp
index 485a3da..0541d3e 100644
--- a/zmq.hpp
+++ b/zmq.hpp
@@ -45,6 +45,8 @@
 
     #if __has_feature(cxx_deleted_functions)
         #define ZMQ_DELETED_FUNCTION = delete
+    #else
+        #define ZMQ_DELETED_FUNCTION
     #endif
 #elif defined(_MSC_VER) && (_MSC_VER >= 1600)
     #define ZMQ_HAS_RVALUE_REFS