Index: boost/serialization/export.hpp
===================================================================
--- boost/serialization/export.hpp	(revision 51283)
+++ boost/serialization/export.hpp	(working copy)
@@ -86,7 +86,7 @@
 template <class Archive, class Serializable>
 struct ptr_serialization_support
 {
-# if defined(BOOST_MSVC)
+# if defined(BOOST_MSVC) || defined(__SUNPRO_CC)
     virtual BOOST_DLLEXPORT void instantiate() BOOST_USED;
 # elif defined(__BORLANDC__)   
     static BOOST_DLLEXPORT void instantiate() BOOST_USED;