-#if defined(VMS) && !defined(__GNUC__)
-# define EXT globaldef {"$GLOBAL_RW_VARS"} noshare
-# define dEXT globaldef {"$GLOBAL_RW_VARS"} noshare
-# define EXTCONST globaldef {"$GLOBAL_RO_VARS"} readonly
-# define dEXTCONST globaldef {"$GLOBAL_RO_VARS"} readonly
-#else
-# ifdef __cplusplus
-# define EXT
-# define dEXT
-# define EXTCONST extern const
-# define dEXTCONST const
-#else
-# define EXT
-# define dEXT
-# define EXTCONST const
-# define dEXTCONST const
-#endif
-#endif
+
+# if (defined(WIN32) && defined(__MINGW32__)) || defined(__SYMBIAN32__)
+# ifdef __cplusplus
+# define EXT __declspec(dllexport)
+# define dEXT
+# define EXTCONST __declspec(dllexport) extern const
+# define dEXTCONST const
+# else
+# define EXT __declspec(dllexport)
+# define dEXT
+# define EXTCONST __declspec(dllexport) const
+# define dEXTCONST const
+# endif
+# else
+# ifdef __cplusplus
+# define EXT
+# define dEXT
+# define EXTCONST extern const
+# define dEXTCONST const
+# else
+# define EXT
+# define dEXT
+# define EXTCONST const
+# define dEXTCONST const
+# endif
+# endif