X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/a0d0e21ea6ea90a22318550944fe6cb09ae10cda..923b6d4e1d5773f41f2de579e5a66a810f56db04:/INTERN.h

diff --git a/INTERN.h b/INTERN.h
index 7a9d475..da3057a 100644
--- a/INTERN.h
+++ b/INTERN.h
@@ -1,14 +1,52 @@
 /*    INTERN.h
  *
- *    Copyright (c) 1991-1994, Larry Wall
+ *    Copyright (C) 1991, 1992, 1993, 1995, 1996, 1998, 2000, 2001,
+ *    by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
  *
  */
 
+/*
+ * 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
+#undef dEXT
+#undef EXTCONST
+#undef dEXTCONST
+#if defined(VMS) && !defined(__GNUC__)
+    /* Suppress portability warnings from DECC for VMS-specific extensions */
+#  ifdef __DECC
+#    pragma message disable (GLOBALEXT,NOSHAREEXT,READONLYEXT)
+#  endif
+#  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
+#  if (defined(WIN32) && defined(__MINGW32__)) || defined(__SYMBIAN32__)
+#    define EXT		__declspec(dllexport)
+#    define dEXT
+#    define EXTCONST	__declspec(dllexport) const
+#    define dEXTCONST	const
+#  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
+#endif
 
 #undef INIT
 #define INIT(x) = x