# else
# error native typeof is not supported
# endif
-
+#elif defined(__SUNPRO_CC)
+# if (__SUNPRO_CC < 0x590 )
+# ifdef BOOST_TYPEOF_NATIVE
+# error native typeof is not supported
+# endif
+# ifndef BOOST_TYPEOF_EMULATION
+# define BOOST_TYPEOF_EMULATION
+# endif
+# else
+# ifndef BOOST_TYPEOF_EMULATION
+# ifndef BOOST_TYPEOF_NATIVE
+# define BOOST_TYPEOF_NATIVE
+# endif
+# define BOOST_TYPEOF_KEYWORD __typeof__
+# endif
+# endif
#else //unknown compiler
# ifndef BOOST_TYPEOF_NATIVE
# ifndef BOOST_TYPEOF_EMULATION