X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=EXTERN.h;h=24fe13589120961ffe95161fe22c3a8320a8f5d2;hb=3c10ad8e31f7d77e71c048b1746912f41cb540f0;hp=9a5f450a121989f8962d2a498e5c554418702fd2;hpb=132b68a5c516d31aa5abdbca3bb36ded2c13b4cc;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/EXTERN.h b/EXTERN.h
index 9a5f450..24fe135 100644
--- a/EXTERN.h
+++ b/EXTERN.h
@@ -1,21 +1,33 @@
-/* $RCSfile: EXTERN.h,v $$Revision: 4.0.1.1 $$Date: 91/06/07 10:10:32 $
+/*    EXTERN.h
  *
- *    Copyright (c) 1991, Larry Wall
+ *    Copyright (c) 1991-1997, Larry Wall
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
  *
- * $Log:	EXTERN.h,v $
- * Revision 4.0.1.1  91/06/07  10:10:32  lwall
- * patch4: new copyright notice
- * 
- * Revision 4.0  91/03/20  00:58:26  lwall
- * 4.0 baseline.
- * 
  */
 
+/*
+ * EXT  designates a global var which is defined in perl.h
+ * dEXT designates a global var which is defined in another
+ *      file, so we can't count on finding it in perl.h
+ *      (this practice should be avoided).
+ */
 #undef EXT
-#define EXT extern
+#undef dEXT
+#undef EXTCONST
+#undef dEXTCONST
+#if defined(VMS) && !defined(__GNUC__)
+#  define EXT globalref
+#  define dEXT globaldef {"$GLOBAL_RW_VARS"} noshare
+#  define EXTCONST globalref
+#  define dEXTCONST globaldef {"$GLOBAL_RO_VARS"} readonly
+#else
+#  define EXT extern
+#  define dEXT
+#  define EXTCONST extern const
+#  define dEXTCONST const
+#endif
 
 #undef INIT
 #define INIT(x)