From 73ff40470cbdcee4d494a1ede4ed5302f7874acf Mon Sep 17 00:00:00 2001
From: Andreas Fabri <andreas.fabri@geometryfactory.com>
Date: Wed, 2 Nov 2016 16:30:21 +0100
Subject: [PATCH] Make variable const

---
 Stream_support/include/CGAL/IO/io.h | 14 ++++-------
 Stream_support/src/CGAL/io.cpp      | 36 -----------------------------
 2 files changed, 5 insertions(+), 45 deletions(-)
 delete mode 100644 Stream_support/src/CGAL/io.cpp

diff --git a/Stream_support/include/CGAL/IO/io.h b/Stream_support/include/CGAL/IO/io.h
index 8c6dfa9e81f..d83d4ee5c96 100644
--- a/Stream_support/include/CGAL/IO/io.h
+++ b/Stream_support/include/CGAL/IO/io.h
@@ -43,18 +43,14 @@ namespace CGAL {
 
 class IO {
 public:
-#ifndef CGAL_HEADER_ONLY
-  CGAL_EXPORT static int mode;
-  static int& get_static_mode()
-  { return IO::mode; }
-#else // CGAL_HEADER_ONLY
-  static int& get_static_mode()
+
+  static int get_static_mode()
   {
-    static int mode = std::ios::xalloc();
+    static const int mode = std::ios::xalloc();
     return mode;
   }
-#endif // CGAL_HEADER_ONLY
-    enum Mode {ASCII = 0, PRETTY, BINARY};
+
+  enum Mode {ASCII = 0, PRETTY, BINARY};
 };
 
 template <typename Dummy>
diff --git a/Stream_support/src/CGAL/io.cpp b/Stream_support/src/CGAL/io.cpp
deleted file mode 100644
index 6514769ace3..00000000000
--- a/Stream_support/src/CGAL/io.cpp
+++ /dev/null
@@ -1,36 +0,0 @@
-// Copyright (c) 1997  
-// Utrecht University (The Netherlands),
-// ETH Zurich (Switzerland),
-// INRIA Sophia-Antipolis (France),
-// Max-Planck-Institute Saarbruecken (Germany),
-// and Tel-Aviv University (Israel).  All rights reserved. 
-//
-// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
-// modify it under the terms of the GNU Lesser General Public License as
-// published by the Free Software Foundation; either version 3 of the License,
-// or (at your option) any later version.
-//
-// Licensees holding a valid commercial license may use this file in
-// accordance with the commercial license agreement provided with the software.
-//
-// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
-// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
-//
-// $URL$
-// $Id$
-// 
-//
-// Author(s)     : Andreas Fabri
-
-#ifndef CGAL_HEADER_ONLY
-
-#include <CGAL/IO/io.h>
-#include <CGAL/IO/io_impl.h>
-
-namespace CGAL {
-
-int IO::mode = std::ios::xalloc();
-
-} //namespace CGAL
-
-#endif