# define EXTCONST globalref
# define dEXTCONST globaldef {"$GLOBAL_RO_VARS"} readonly
#else
-# define EXT extern
-# define dEXT
-# define EXTCONST extern const
-# define dEXTCONST const
+# if defined(_MSC_VER) && defined(_WIN32)
+# ifdef PERLDLL
+# define EXT __declspec(dllexport)
+# define dEXT
+# define EXTCONST __declspec(dllexport) const
+# define dEXTCONST const
+# else
+# define EXT __declspec(dllimport)
+# define dEXT
+# define EXTCONST __declspec(dllimport) const
+# define dEXTCONST const
+# endif
+# else
+# define EXT extern
+# define dEXT
+# define EXTCONST extern const
+# define dEXTCONST const
+# endif
#endif
#undef INIT