Index: boost/config/compiler/sunpro_cc.hpp
===================================================================
--- boost/config/compiler/sunpro_cc.hpp	(revision 61577)
+++ boost/config/compiler/sunpro_cc.hpp	(working copy)
@@ -79,11 +79,9 @@
 // C++0x features
 //
 
-#if(__SUNPRO_CC >= 0x590) 
-#  define BOOST_HAS_LONG_LONG
-#else
-#  define BOOST_NO_LONG_LONG
-#endif
+// Steve Clamage informed us that all versions of Sun C++ have the
+// long long integer types (Niels Dekker, LKEB, April 2010)
+#define BOOST_HAS_LONG_LONG
 
 #define BOOST_NO_AUTO_DECLARATIONS
 #define BOOST_NO_AUTO_MULTIDECLARATIONS