Updated configuration for Embarcadero C++ clang-based compilers. Created a better test for CWCHAR compatibility which involves a minimum of multi-byte character functionality also.

include/boost/config/stdlib/dinkumware.hpp

@@ -98,7 +98,7 @@
 #endif
 #include <typeinfo>
 #if ( (!_HAS_EXCEPTIONS && !defined(__ghs__)) || (defined(__ghs__) && !_HAS_NAMESPACE) ) && !defined(__TI_COMPILER_VERSION__) && !defined(__VISUALDSPVERSION__) \
-   && !defined(__VXWORKS__)
+   && !defined(__VXWORKS__) && !defined(BOOST_EMBTC_WINDOWS)
 #  define BOOST_NO_STD_TYPEINFO
 #endif  
 #endif