From ae6c180be84b59dd8b192f8b7f55668353427e01 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@pdimov.com>
Date: Mon, 9 Apr 2007 16:37:30 +0000
Subject: [PATCH] _MANAGED fix for sp_enable_shared_from_this

[SVN r37403]
---
 include/boost/shared_ptr.hpp | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/include/boost/shared_ptr.hpp b/include/boost/shared_ptr.hpp
index 639066e..69bff58 100644
--- a/include/boost/shared_ptr.hpp
+++ b/include/boost/shared_ptr.hpp
@@ -88,6 +88,21 @@ template<class T, class Y> void sp_enable_shared_from_this( shared_count const &
     if(pe != 0) pe->_internal_weak_this._internal_assign(const_cast<Y*>(px), pn);
 }
 
+#ifdef _MANAGED
+
+// Avoid C4793, ... causes native code generation
+
+struct sp_any_pointer
+{
+    template<class T> sp_any_pointer( T* ) {}
+};
+
+inline void sp_enable_shared_from_this( shared_count const & /*pn*/, sp_any_pointer, sp_any_pointer )
+{
+}
+
+#else // _MANAGED
+
 #ifdef sgi
 // Turn off: the last argument of the varargs function "sp_enable_shared_from_this" is unnamed
 # pragma set woff 3506
@@ -101,6 +116,8 @@ inline void sp_enable_shared_from_this( shared_count const & /*pn*/, ... )
 # pragma reset woff 3506
 #endif
 
+#endif // _MANAGED
+
 #if !defined( BOOST_NO_SFINAE ) && !defined( BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION ) && !defined( BOOST_NO_AUTO_PTR )
 
 // rvalue auto_ptr support based on a technique by Dave Abrahams