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/irix.hpp b/boost/config/platform/irix.hpp
new file mode 100644
index 0000000..aeae49c
--- /dev/null
+++ b/boost/config/platform/irix.hpp
@@ -0,0 +1,31 @@
+// (C) Copyright John Maddock 2001 - 2003.
+// (C) Copyright Jens Maurer 2003.
+// 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.
+
+// SGI Irix specific config options:
+
+#define BOOST_PLATFORM "SGI Irix"
+
+#define BOOST_NO_SWPRINTF
+//
+// these are not auto detected by POSIX feature tests:
+//
+#define BOOST_HAS_GETTIMEOFDAY
+#define BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE
+
+#ifdef __GNUC__
+ // GNU C on IRIX does not support threads (checked up to gcc 3.3)
+# define BOOST_DISABLE_THREADS
+#endif
+
+// boilerplate code:
+#define BOOST_HAS_UNISTD_H
+#include <boost/config/posix_features.hpp>
+
+
+