From 22a85c4ca3a42368a7e2f6be179e00830611b4a6 Mon Sep 17 00:00:00 2001
From: Orivej Desh <orivej@gmx.fr>
Date: Sat, 6 Jun 2020 11:26:48 +0000
Subject: [PATCH] Fix -Wdeprecated-copy in copy.hpp

Analogous to #85.
---
 include/boost/iostreams/copy.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/iostreams/copy.hpp b/include/boost/iostreams/copy.hpp
index 3579a9cd7..2284f7c44 100644
--- a/include/boost/iostreams/copy.hpp
+++ b/include/boost/iostreams/copy.hpp
@@ -159,7 +159,7 @@ class copy_operation {
                           is_direct<Source>(), is_direct<Sink>() );
     }
 private:
-    copy_operation& operator=(const copy_operation&);
+    BOOST_DELETED_FUNCTION(copy_operation& operator=(const copy_operation&));
     Source&          src_;
     Sink&            snk_;
     std::streamsize  buffer_size_;