perldiag.pod

[perl5.git] / INTERN.h

diff --git a/INTERN.h b/INTERN.h
index 06a59f0..1b35c13 100644 (file)
--- a/INTERN.h
+++ b/INTERN.h
@@ -1,13 +1,51 @@
-/* $Header: INTERN.h,v 1.0 87/12/18 13:02:39 root Exp $
+/*    INTERN.h
+ *
+ *    Copyright (c) 1991-2001, 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:       INTERN.h,v $
- * Revision 1.0  87/12/18  13:02:39  root
- * Initial revision
- * 
  */
 
+/*
+ * 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__)
+#  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