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diff --git a/3rdParty/Boost/boost/smart_ptr/intrusive_ptr.hpp b/3rdParty/Boost/boost/smart_ptr/intrusive_ptr.hpp
new file mode 100644
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+++ b/3rdParty/Boost/boost/smart_ptr/intrusive_ptr.hpp
@@ -0,0 +1,282 @@
+#ifndef BOOST_SMART_PTR_INTRUSIVE_PTR_HPP_INCLUDED
+#define BOOST_SMART_PTR_INTRUSIVE_PTR_HPP_INCLUDED
+
+//
+//  intrusive_ptr.hpp
+//
+//  Copyright (c) 2001, 2002 Peter Dimov
+//
+// Distributed under the Boost Software License, Version 1.0. (See
+// accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+//
+//  See http://www.boost.org/libs/smart_ptr/intrusive_ptr.html for documentation.
+//
+
+#include <boost/config.hpp>
+
+#ifdef BOOST_MSVC  // moved here to work around VC++ compiler crash
+# pragma warning(push)
+# pragma warning(disable:4284) // odd return type for operator->
+#endif
+
+#include <boost/assert.hpp>
+#include <boost/detail/workaround.hpp>
+#include <boost/smart_ptr/detail/sp_convertible.hpp>
+
+#include <boost/config/no_tr1/functional.hpp>           // for std::less
+
+#if !defined(BOOST_NO_IOSTREAM)
+#if !defined(BOOST_NO_IOSFWD)
+#include <iosfwd>               // for std::basic_ostream
+#else
+#include <ostream>
+#endif
+#endif
+
+
+namespace boost
+{
+
+//
+//  intrusive_ptr
+//
+//  A smart pointer that uses intrusive reference counting.
+//
+//  Relies on unqualified calls to
+//  
+//      void intrusive_ptr_add_ref(T * p);
+//      void intrusive_ptr_release(T * p);
+//
+//          (p != 0)
+//
+//  The object is responsible for destroying itself.
+//
+
+template<class T> class intrusive_ptr
+{
+private:
+
+    typedef intrusive_ptr this_type;
+
+public:
+
+    typedef T element_type;
+
+    intrusive_ptr(): px( 0 )
+    {
+    }
+
+    intrusive_ptr( T * p, bool add_ref = true ): px( p )
+    {
+        if( px != 0 && add_ref ) intrusive_ptr_add_ref( px );
+    }
+
+#if !defined(BOOST_NO_MEMBER_TEMPLATES) || defined(BOOST_MSVC6_MEMBER_TEMPLATES)
+
+    template<class U>
+#if !defined( BOOST_SP_NO_SP_CONVERTIBLE )
+
+    intrusive_ptr( intrusive_ptr<U> const & rhs, typename detail::sp_enable_if_convertible<U,T>::type = detail::sp_empty() )
+
+#else
+
+    intrusive_ptr( intrusive_ptr<U> const & rhs )
+
+#endif
+    : px( rhs.get() )
+    {
+        if( px != 0 ) intrusive_ptr_add_ref( px );
+    }
+
+#endif
+
+    intrusive_ptr(intrusive_ptr const & rhs): px( rhs.px )
+    {
+        if( px != 0 ) intrusive_ptr_add_ref( px );
+    }
+
+    ~intrusive_ptr()
+    {
+        if( px != 0 ) intrusive_ptr_release( px );
+    }
+
+#if !defined(BOOST_NO_MEMBER_TEMPLATES) || defined(BOOST_MSVC6_MEMBER_TEMPLATES)
+
+    template<class U> intrusive_ptr & operator=(intrusive_ptr<U> const & rhs)
+    {
+        this_type(rhs).swap(*this);
+        return *this;
+    }
+
+#endif
+
+    intrusive_ptr & operator=(intrusive_ptr const & rhs)
+    {
+        this_type(rhs).swap(*this);
+        return *this;
+    }
+
+    intrusive_ptr & operator=(T * rhs)
+    {
+        this_type(rhs).swap(*this);
+        return *this;
+    }
+
+    void reset()
+    {
+        this_type().swap( *this );
+    }
+
+    void reset( T * rhs )
+    {
+        this_type( rhs ).swap( *this );
+    }
+
+    T * get() const
+    {
+        return px;
+    }
+
+    T & operator*() const
+    {
+        BOOST_ASSERT( px != 0 );
+        return *px;
+    }
+
+    T * operator->() const
+    {
+        BOOST_ASSERT( px != 0 );
+        return px;
+    }
+
+// implicit conversion to "bool"
+#include <boost/smart_ptr/detail/operator_bool.hpp>
+
+    void swap(intrusive_ptr & rhs)
+    {
+        T * tmp = px;
+        px = rhs.px;
+        rhs.px = tmp;
+    }
+
+private:
+
+    T * px;
+};
+
+template<class T, class U> inline bool operator==(intrusive_ptr<T> const & a, intrusive_ptr<U> const & b)
+{
+    return a.get() == b.get();
+}
+
+template<class T, class U> inline bool operator!=(intrusive_ptr<T> const & a, intrusive_ptr<U> const & b)
+{
+    return a.get() != b.get();
+}
+
+template<class T, class U> inline bool operator==(intrusive_ptr<T> const & a, U * b)
+{
+    return a.get() == b;
+}
+
+template<class T, class U> inline bool operator!=(intrusive_ptr<T> const & a, U * b)
+{
+    return a.get() != b;
+}
+
+template<class T, class U> inline bool operator==(T * a, intrusive_ptr<U> const & b)
+{
+    return a == b.get();
+}
+
+template<class T, class U> inline bool operator!=(T * a, intrusive_ptr<U> const & b)
+{
+    return a != b.get();
+}
+
+#if __GNUC__ == 2 && __GNUC_MINOR__ <= 96
+
+// Resolve the ambiguity between our op!= and the one in rel_ops
+
+template<class T> inline bool operator!=(intrusive_ptr<T> const & a, intrusive_ptr<T> const & b)
+{
+    return a.get() != b.get();
+}
+
+#endif
+
+template<class T> inline bool operator<(intrusive_ptr<T> const & a, intrusive_ptr<T> const & b)
+{
+    return std::less<T *>()(a.get(), b.get());
+}
+
+template<class T> void swap(intrusive_ptr<T> & lhs, intrusive_ptr<T> & rhs)
+{
+    lhs.swap(rhs);
+}
+
+// mem_fn support
+
+template<class T> T * get_pointer(intrusive_ptr<T> const & p)
+{
+    return p.get();
+}
+
+template<class T, class U> intrusive_ptr<T> static_pointer_cast(intrusive_ptr<U> const & p)
+{
+    return static_cast<T *>(p.get());
+}
+
+template<class T, class U> intrusive_ptr<T> const_pointer_cast(intrusive_ptr<U> const & p)
+{
+    return const_cast<T *>(p.get());
+}
+
+template<class T, class U> intrusive_ptr<T> dynamic_pointer_cast(intrusive_ptr<U> const & p)
+{
+    return dynamic_cast<T *>(p.get());
+}
+
+// operator<<
+
+#if !defined(BOOST_NO_IOSTREAM)
+
+#if defined(BOOST_NO_TEMPLATED_IOSTREAMS) || ( defined(__GNUC__) &&  (__GNUC__ < 3) )
+
+template<class Y> std::ostream & operator<< (std::ostream & os, intrusive_ptr<Y> const & p)
+{
+    os << p.get();
+    return os;
+}
+
+#else
+
+// in STLport's no-iostreams mode no iostream symbols can be used
+#ifndef _STLP_NO_IOSTREAMS
+
+# if defined(BOOST_MSVC) && BOOST_WORKAROUND(BOOST_MSVC, < 1300 && __SGI_STL_PORT)
+// MSVC6 has problems finding std::basic_ostream through the using declaration in namespace _STL
+using std::basic_ostream;
+template<class E, class T, class Y> basic_ostream<E, T> & operator<< (basic_ostream<E, T> & os, intrusive_ptr<Y> const & p)
+# else
+template<class E, class T, class Y> std::basic_ostream<E, T> & operator<< (std::basic_ostream<E, T> & os, intrusive_ptr<Y> const & p)
+# endif 
+{
+    os << p.get();
+    return os;
+}
+
+#endif // _STLP_NO_IOSTREAMS
+
+#endif // __GNUC__ < 3
+
+#endif // !defined(BOOST_NO_IOSTREAM)
+
+} // namespace boost
+
+#ifdef BOOST_MSVC
+# pragma warning(pop)
+#endif    
+
+#endif  // #ifndef BOOST_SMART_PTR_INTRUSIVE_PTR_HPP_INCLUDED