X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=EXTERN.h;h=a48d0d304773aa919acd1ebab3a092db30fd9ce2;hb=15ee1d8715e28c0c0be2cceb2f9f90d79153090e;hp=44d2fe4c1d968f55e6bbecf1d56452d8d01ab1ce;hpb=79072805bf63abe5b5978b5928ab00d360ea3e7f;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/EXTERN.h b/EXTERN.h
index 44d2fe4..a48d0d3 100644
--- a/EXTERN.h
+++ b/EXTERN.h
@@ -1,24 +1,47 @@
-/* $RCSfile: EXTERN.h,v $$Revision: 4.1 $$Date: 92/08/07 17:18:03 $
+/*    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 4.1  92/08/07  17:18:03  lwall
- * Stage 6 Snapshot
- * 
- * 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
+#  if defined(WIN32) && !defined(__GNUC__)
+#    ifdef PERLDLL
+#      define EXT extern __declspec(dllexport)
+#      define dEXT 
+#      define EXTCONST extern __declspec(dllexport) const
+#      define dEXTCONST const
+#    else
+#      define EXT extern __declspec(dllimport)
+#      define dEXT 
+#      define EXTCONST extern __declspec(dllimport) const
+#      define dEXTCONST const
+#    endif
+#  else
+#    define EXT extern
+#    define dEXT
+#    define EXTCONST extern const
+#    define dEXTCONST const
+#  endif
+#endif
 
 #undef INIT
 #define INIT(x)