X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=EXTERN.h;h=228ed52406597b624737e9d60a7e492daa64dc74;hb=c116a00cf797ec2e6795338ee18b88d975e760c5;hp=19651c0411f6fe1bd136878f4c805d7226d25a28;hpb=a687059cbaf2c6fdccb5e0fae2aee80ec15625a8;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/EXTERN.h b/EXTERN.h
index 19651c0..228ed52 100644
--- a/EXTERN.h
+++ b/EXTERN.h
@@ -1,18 +1,47 @@
-/* $Header: EXTERN.h,v 3.0 89/10/18 15:06:03 lwall Locked $
+/*    EXTERN.h
  *
- *    Copyright (c) 1989, Larry Wall
+ *    Copyright (c) 1991-1997, Larry Wall
  *
- *    You may distribute under the terms of the GNU General Public License
- *    as specified in the README file that comes with the perl 3.0 kit.
+ *    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 3.0  89/10/18  15:06:03  lwall
- * 3.0 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(_MSC_VER) && defined(_WIN32)) || (defined(__BORLANDC__) && defined(__WIN32__))
+#    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)