diff --git a/include/boost/smart_ptr/detail/shared_count.hpp b/include/boost/smart_ptr/detail/shared_count.hpp
index 1e7d688..cd07ed6 100644
--- a/include/boost/smart_ptr/detail/shared_count.hpp
+++ b/include/boost/smart_ptr/detail/shared_count.hpp
@@ -40,13 +40,18 @@
 # include <new>              // std::bad_alloc
 #endif
 
-#if !defined( BOOST_NO_CXX11_SMART_PTR )
-# include <boost/utility/addressof.hpp>
-#endif
+#include <boost/core/addressof.hpp>
 
 namespace boost
 {
 
+namespace movelib
+{
+
+    template< class T, class D > class unique_ptr;
+
+} // namespace movelib
+
 namespace detail
 {
 
@@ -63,8 +68,6 @@ template< class D > struct sp_inplace_tag
 {
 };
 
-#if !defined( BOOST_NO_CXX11_SMART_PTR )
-
 template< class T > class sp_reference_wrapper
 { 
 public:
@@ -93,8 +96,6 @@ template< class D > struct sp_convert_reference< D& >
     typedef sp_reference_wrapper< D > type;
 };
 
-#endif
-
 class weak_count;
 
 class shared_count
@@ -438,6 +439,29 @@ public:
 
 #endif
 
+    template<class Y, class D>
+    explicit shared_count( boost::movelib::unique_ptr<Y, D> & r ): pi_( 0 )
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+        , id_(shared_count_id)
+#endif
+    {
+        typedef typename sp_convert_reference<D>::type D2;
+
+        D2 d2( r.get_deleter() );
+        pi_ = new sp_counted_impl_pd< typename boost::movelib::unique_ptr<Y, D>::pointer, D2 >( r.get(), d2 );
+
+#ifdef BOOST_NO_EXCEPTIONS
+
+        if( pi_ == 0 )
+        {
+            boost::throw_exception( std::bad_alloc() );
+        }
+
+#endif
+
+        r.release();
+    }
+
     ~shared_count() // nothrow
     {
         if( pi_ != 0 ) pi_->release();
diff --git a/include/boost/smart_ptr/shared_ptr.hpp b/include/boost/smart_ptr/shared_ptr.hpp
index 8be92ab..991ca3d 100644
--- a/include/boost/smart_ptr/shared_ptr.hpp
+++ b/include/boost/smart_ptr/shared_ptr.hpp
@@ -55,6 +55,13 @@ template<class T> class weak_ptr;
 template<class T> class enable_shared_from_this;
 class enable_shared_from_raw;
 
+namespace movelib
+{
+
+    template< class T, class D > class unique_ptr;
+
+} // namespace movelib
+
 namespace detail
 {
 
@@ -495,6 +502,17 @@ public:
 
 #endif
 
+    template< class Y, class D >
+    shared_ptr( boost::movelib::unique_ptr< Y, D > r ): px( r.get() ), pn()
+    {
+        boost::detail::sp_assert_convertible< Y, T >();
+
+        typename boost::movelib::unique_ptr< Y, D >::pointer tmp = r.get();
+        pn = boost::detail::shared_count( r );
+
+        boost::detail::sp_deleter_construct( this, tmp );
+    }
+
     // assignment
 
     shared_ptr & operator=( shared_ptr const & r ) BOOST_NOEXCEPT
@@ -556,6 +574,27 @@ public:
 
 #endif
 
+    template<class Y, class D>
+    shared_ptr & operator=( boost::movelib::unique_ptr<Y, D> r )
+    {
+        // this_type( static_cast< unique_ptr<Y, D> && >( r ) ).swap( *this );
+
+        boost::detail::sp_assert_convertible< Y, T >();
+
+        typename boost::movelib::unique_ptr< Y, D >::pointer p = r.get();
+
+        shared_ptr tmp;
+
+        tmp.px = p;
+        tmp.pn = boost::detail::shared_count( r );
+
+        boost::detail::sp_deleter_construct( &tmp, p );
+
+        tmp.swap( *this );
+
+        return *this;
+    }
+
 // Move support
 
 #if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
diff --git a/test/Jamfile.v2 b/test/Jamfile.v2
index b17e55f..62fab50 100644
--- a/test/Jamfile.v2
+++ b/test/Jamfile.v2
@@ -179,5 +179,7 @@ import testing ;
 
           [ run weak_from_this_test.cpp ]
           [ run weak_from_this_test2.cpp ]
+
+          [ run sp_bml_unique_ptr_test.cpp ]
         ;
 }
diff --git a/test/sp_bml_unique_ptr_test.cpp b/test/sp_bml_unique_ptr_test.cpp
new file mode 100644
index 0000000..0d4921d
--- /dev/null
+++ b/test/sp_bml_unique_ptr_test.cpp
@@ -0,0 +1,239 @@
+//
+//  sp_bml_unique_ptr_test.cpp
+//
+//  Copyright (c) 2012, 2015 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
+//
+
+#include <boost/shared_ptr.hpp>
+#include <boost/enable_shared_from_this.hpp>
+#include <boost/detail/lightweight_test.hpp>
+#include <boost/move/unique_ptr.hpp>
+#include <memory>
+#include <utility>
+
+struct X: public boost::enable_shared_from_this< X >
+{
+    static int instances;
+
+    X()
+    {
+        ++instances;
+    }
+
+    ~X()
+    {
+        --instances;
+    }
+
+private:
+
+    X( X const & );
+    X & operator=( X const & );
+};
+
+int X::instances = 0;
+
+struct Y
+{
+    static int instances;
+
+    bool deleted_;
+
+    Y(): deleted_( false )
+    {
+        ++instances;
+    }
+
+    ~Y()
+    {
+        BOOST_TEST( deleted_ );
+        --instances;
+    }
+
+private:
+
+    Y( Y const & );
+    Y & operator=( Y const & );
+};
+
+int Y::instances = 0;
+
+struct YD
+{
+    void operator()( Y* p ) const
+    {
+        p->deleted_ = true;
+        delete p;
+    }
+};
+
+int main()
+{
+    {
+        BOOST_TEST( X::instances == 0 );
+
+        boost::movelib::unique_ptr<X> p( new X );
+        BOOST_TEST( X::instances == 1 );
+
+        boost::shared_ptr<X> p2( boost::move( p ) );
+        BOOST_TEST( X::instances == 1 );
+        BOOST_TEST( p.get() == 0 );
+
+        boost::shared_ptr<X> p3 = p2->shared_from_this();
+        BOOST_TEST( p2 == p3 );
+        BOOST_TEST( !(p2 < p3) && !(p3 < p2) );
+
+        p2.reset();
+        p3.reset();
+        BOOST_TEST( X::instances == 0 );
+
+        p2 = boost::movelib::unique_ptr<X>( new X );
+        BOOST_TEST( X::instances == 1 );
+
+        p2 = boost::movelib::unique_ptr<X>( new X );
+        BOOST_TEST( X::instances == 1 );
+
+        p3 = p2->shared_from_this();
+        BOOST_TEST( p2 == p3 );
+        BOOST_TEST( !(p2 < p3) && !(p3 < p2) );
+
+        p2.reset();
+        p3.reset();
+        BOOST_TEST( X::instances == 0 );
+    }
+
+    {
+        BOOST_TEST( X::instances == 0 );
+
+        boost::movelib::unique_ptr<X> p( new X );
+        BOOST_TEST( X::instances == 1 );
+
+        boost::shared_ptr<X const> p2( boost::move( p ) );
+        BOOST_TEST( X::instances == 1 );
+        BOOST_TEST( p.get() == 0 );
+
+        boost::shared_ptr<X const> p3 = p2->shared_from_this();
+        BOOST_TEST( p2 == p3 );
+        BOOST_TEST( !(p2 < p3) && !(p3 < p2) );
+
+        p2.reset();
+        p3.reset();
+        BOOST_TEST( X::instances == 0 );
+
+        p2 = boost::movelib::unique_ptr<X>( new X );
+        BOOST_TEST( X::instances == 1 );
+
+        p2 = boost::movelib::unique_ptr<X>( new X );
+        BOOST_TEST( X::instances == 1 );
+
+        p3 = p2->shared_from_this();
+        BOOST_TEST( p2 == p3 );
+        BOOST_TEST( !(p2 < p3) && !(p3 < p2) );
+
+        p2.reset();
+        p3.reset();
+        BOOST_TEST( X::instances == 0 );
+    }
+
+    {
+        BOOST_TEST( X::instances == 0 );
+
+        boost::movelib::unique_ptr<X> p( new X );
+        BOOST_TEST( X::instances == 1 );
+
+        boost::shared_ptr<void> p2( boost::move( p ) );
+        BOOST_TEST( X::instances == 1 );
+        BOOST_TEST( p.get() == 0 );
+
+        p2.reset();
+        BOOST_TEST( X::instances == 0 );
+
+        p2 = boost::movelib::unique_ptr<X>( new X );
+        BOOST_TEST( X::instances == 1 );
+
+        p2 = boost::movelib::unique_ptr<X>( new X );
+        BOOST_TEST( X::instances == 1 );
+
+        p2.reset();
+        BOOST_TEST( X::instances == 0 );
+    }
+
+    {
+        BOOST_TEST( Y::instances == 0 );
+
+        boost::movelib::unique_ptr<Y, YD> p( new Y, YD() );
+        BOOST_TEST( Y::instances == 1 );
+
+        boost::shared_ptr<Y> p2( boost::move( p ) );
+        BOOST_TEST( Y::instances == 1 );
+        BOOST_TEST( p.get() == 0 );
+
+        p2.reset();
+        BOOST_TEST( Y::instances == 0 );
+
+        p2 = boost::movelib::unique_ptr<Y, YD>( new Y, YD() );
+        BOOST_TEST( Y::instances == 1 );
+
+        p2 = boost::movelib::unique_ptr<Y, YD>( new Y, YD() );
+        BOOST_TEST( Y::instances == 1 );
+
+        p2.reset();
+        BOOST_TEST( Y::instances == 0 );
+    }
+
+    {
+        BOOST_TEST( Y::instances == 0 );
+
+        YD yd;
+
+        boost::movelib::unique_ptr<Y, YD&> p( new Y, yd );
+        BOOST_TEST( Y::instances == 1 );
+
+        boost::shared_ptr<Y> p2( boost::move( p ) );
+        BOOST_TEST( Y::instances == 1 );
+        BOOST_TEST( p.get() == 0 );
+
+        p2.reset();
+        BOOST_TEST( Y::instances == 0 );
+
+        p2 = boost::movelib::unique_ptr<Y, YD&>( new Y, yd );
+        BOOST_TEST( Y::instances == 1 );
+
+        p2 = boost::movelib::unique_ptr<Y, YD&>( new Y, yd );
+        BOOST_TEST( Y::instances == 1 );
+
+        p2.reset();
+        BOOST_TEST( Y::instances == 0 );
+    }
+
+    {
+        BOOST_TEST( Y::instances == 0 );
+
+        YD yd;
+
+        boost::movelib::unique_ptr<Y, YD const&> p( new Y, yd );
+        BOOST_TEST( Y::instances == 1 );
+
+        boost::shared_ptr<Y> p2( boost::move( p ) );
+        BOOST_TEST( Y::instances == 1 );
+        BOOST_TEST( p.get() == 0 );
+
+        p2.reset();
+        BOOST_TEST( Y::instances == 0 );
+
+        p2 = boost::movelib::unique_ptr<Y, YD const&>( new Y, yd );
+        BOOST_TEST( Y::instances == 1 );
+
+        p2 = boost::movelib::unique_ptr<Y, YD const&>( new Y, yd );
+        BOOST_TEST( Y::instances == 1 );
+
+        p2.reset();
+        BOOST_TEST( Y::instances == 0 );
+    }
+
+    return boost::report_errors();
+}