If no HAVE_STD_SHARED_PTR or HAVE_BOOST_SHARED_PTR then set ptr_lib to ndnboost in the boost headers in this distribution.
diff --git a/boost/config/platform/macos.hpp b/boost/config/platform/macos.hpp
new file mode 100644
index 0000000..6d876b1
--- /dev/null
+++ b/boost/config/platform/macos.hpp
@@ -0,0 +1,87 @@
+// (C) Copyright John Maddock 2001 - 2003.
+// (C) Copyright Darin Adler 2001 - 2002.
+// (C) Copyright Bill Kempf 2002.
+// Use, modification and distribution are subject to 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 for most recent version.
+
+// Mac OS specific config options:
+
+#define BOOST_PLATFORM "Mac OS"
+
+#if __MACH__ && !defined(_MSL_USING_MSL_C)
+
+// Using the Mac OS X system BSD-style C library.
+
+# ifndef BOOST_HAS_UNISTD_H
+# define BOOST_HAS_UNISTD_H
+# endif
+//
+// Begin by including our boilerplate code for POSIX
+// feature detection, this is safe even when using
+// the MSL as Metrowerks supply their own <unistd.h>
+// to replace the platform-native BSD one. G++ users
+// should also always be able to do this on MaxOS X.
+//
+# include <boost/config/posix_features.hpp>
+# ifndef BOOST_HAS_STDINT_H
+# define BOOST_HAS_STDINT_H
+# endif
+
+//
+// BSD runtime has pthreads, sigaction, sched_yield and gettimeofday,
+// of these only pthreads are advertised in <unistd.h>, so set the
+// other options explicitly:
+//
+# define BOOST_HAS_SCHED_YIELD
+# define BOOST_HAS_GETTIMEOFDAY
+# define BOOST_HAS_SIGACTION
+
+# if (__GNUC__ < 3) && !defined( __APPLE_CC__)
+
+// GCC strange "ignore std" mode works better if you pretend everything
+// is in the std namespace, for the most part.
+
+# define BOOST_NO_STDC_NAMESPACE
+# endif
+
+# if (__GNUC__ == 4)
+
+// Both gcc and intel require these.
+# define BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE
+# define BOOST_HAS_NANOSLEEP
+
+# endif
+
+#else
+
+// Using the MSL C library.
+
+// We will eventually support threads in non-Carbon builds, but we do
+// not support this yet.
+# if ( defined(TARGET_API_MAC_CARBON) && TARGET_API_MAC_CARBON ) || ( defined(TARGET_CARBON) && TARGET_CARBON )
+
+# if !defined(BOOST_HAS_PTHREADS)
+// MPTasks support is deprecated/removed from Boost:
+//# define BOOST_HAS_MPTASKS
+# elif ( __dest_os == __mac_os_x )
+// We are doing a Carbon/Mach-O/MSL build which has pthreads, but only the
+// gettimeofday and no posix.
+# define BOOST_HAS_GETTIMEOFDAY
+# endif
+
+#ifdef BOOST_HAS_PTHREADS
+# define BOOST_HAS_THREADS
+#endif
+
+// The remote call manager depends on this.
+# define BOOST_BIND_ENABLE_PASCAL
+
+# endif
+
+#endif
+
+
+