Rename the extracted boost subdirectory to ndnboost
diff --git a/ndnboost/smart_ptr/detail/sp_counted_base_gcc_sparc.hpp b/ndnboost/smart_ptr/detail/sp_counted_base_gcc_sparc.hpp
new file mode 100644
index 0000000..a9e1b4e
--- /dev/null
+++ b/ndnboost/smart_ptr/detail/sp_counted_base_gcc_sparc.hpp
@@ -0,0 +1,167 @@
+#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_SPARC_HPP_INCLUDED
+#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_SPARC_HPP_INCLUDED
+
+// MS compatible compilers support #pragma once
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+// detail/sp_counted_base_gcc_sparc.hpp - g++ on Sparc V8+
+//
+// Copyright (c) 2006 Piotr Wyderski
+// Copyright (c) 2006 Tomas Puverle
+// Copyright (c) 2006 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
+//
+// Thanks to Michael van der Westhuizen
+
+#include <ndnboost/detail/sp_typeinfo.hpp>
+#include <inttypes.h> // int32_t
+
+namespace ndnboost
+{
+
+namespace detail
+{
+
+inline int32_t compare_and_swap( int32_t * dest_, int32_t compare_, int32_t swap_ )
+{
+ __asm__ __volatile__( "cas [%1], %2, %0"
+ : "+r" (swap_)
+ : "r" (dest_), "r" (compare_)
+ : "memory" );
+
+ return swap_;
+}
+
+inline int32_t atomic_fetch_and_add( int32_t * pw, int32_t dv )
+{
+ // long r = *pw;
+ // *pw += dv;
+ // return r;
+
+ for( ;; )
+ {
+ int32_t r = *pw;
+
+ if( __builtin_expect((compare_and_swap(pw, r, r + dv) == r), 1) )
+ {
+ return r;
+ }
+ }
+}
+
+inline void atomic_increment( int32_t * pw )
+{
+ atomic_fetch_and_add( pw, 1 );
+}
+
+inline int32_t atomic_decrement( int32_t * pw )
+{
+ return atomic_fetch_and_add( pw, -1 );
+}
+
+inline int32_t atomic_conditional_increment( int32_t * pw )
+{
+ // long r = *pw;
+ // if( r != 0 ) ++*pw;
+ // return r;
+
+ for( ;; )
+ {
+ int32_t r = *pw;
+
+ if( r == 0 )
+ {
+ return r;
+ }
+
+ if( __builtin_expect( ( compare_and_swap( pw, r, r + 1 ) == r ), 1 ) )
+ {
+ return r;
+ }
+ }
+}
+
+class sp_counted_base
+{
+private:
+
+ sp_counted_base( sp_counted_base const & );
+ sp_counted_base & operator= ( sp_counted_base const & );
+
+ int32_t use_count_; // #shared
+ int32_t weak_count_; // #weak + (#shared != 0)
+
+public:
+
+ sp_counted_base(): use_count_( 1 ), weak_count_( 1 )
+ {
+ }
+
+ virtual ~sp_counted_base() // nothrow
+ {
+ }
+
+ // dispose() is called when use_count_ drops to zero, to release
+ // the resources managed by *this.
+
+ virtual void dispose() = 0; // nothrow
+
+ // destroy() is called when weak_count_ drops to zero.
+
+ virtual void destroy() // nothrow
+ {
+ delete this;
+ }
+
+ virtual void * get_deleter( sp_typeinfo const & ti ) = 0;
+ virtual void * get_untyped_deleter() = 0;
+
+ void add_ref_copy()
+ {
+ atomic_increment( &use_count_ );
+ }
+
+ bool add_ref_lock() // true on success
+ {
+ return atomic_conditional_increment( &use_count_ ) != 0;
+ }
+
+ void release() // nothrow
+ {
+ if( atomic_decrement( &use_count_ ) == 1 )
+ {
+ dispose();
+ weak_release();
+ }
+ }
+
+ void weak_add_ref() // nothrow
+ {
+ atomic_increment( &weak_count_ );
+ }
+
+ void weak_release() // nothrow
+ {
+ if( atomic_decrement( &weak_count_ ) == 1 )
+ {
+ destroy();
+ }
+ }
+
+ long use_count() const // nothrow
+ {
+ return const_cast< int32_t const volatile & >( use_count_ );
+ }
+};
+
+} // namespace detail
+
+} // namespace ndnboost
+
+#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_SPARC_HPP_INCLUDED