From 6ed2272c1d7d2b2f524659060e62a9c9f5df63dd Mon Sep 17 00:00:00 2001
From: Andreas Fabri <andreas.fabri@geometryfactory.com>
Date: Thu, 6 Jul 2023 07:26:54 +0100
Subject: [PATCH] Classification: Workaround or VC std17 boost bug

---
 Classification/include/CGAL/Classification/Image.h | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/Classification/include/CGAL/Classification/Image.h b/Classification/include/CGAL/Classification/Image.h
index 924e39bde24..084e9572764 100644
--- a/Classification/include/CGAL/Classification/Image.h
+++ b/Classification/include/CGAL/Classification/Image.h
@@ -16,6 +16,7 @@
 
 #include <map>
 #include <memory>
+#include <CGAL/assertions.h>
 
 #define CGAL_CLASSIFICATION_IMAGE_SIZE_LIMIT 100000000
 
@@ -38,12 +39,15 @@ class Image
   std::shared_ptr<Map> m_sparse;
   Type m_default;
 
-  // Forbid using copy constructor
-  Image (const Image&)
-  {
-  }
 
 public:
+  // Forbid using copy constructor
+  // Make it public for a strange VC++ std17 boost-1_82 error
+  // https://github.com/boostorg/core/issues/148
+  Image(const Image&)
+  {
+      CGAL_assertion(false);
+  }
 
   Image () : m_width(0), m_height(0), m_depth(0)
   {