freebsd-dev/contrib/perl5/EXTERN.h
2000-06-25 11:04:01 +00:00

61 lines
1.7 KiB
C

/* EXTERN.h
*
* Copyright (c) 1991-2000, 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.
*
*/
/*
* 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
#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 globalref
# define dEXT globaldef {"$GLOBAL_RW_VARS"} noshare
# define EXTCONST globalref
# define dEXTCONST globaldef {"$GLOBAL_RO_VARS"} readonly
#else
# if defined(WIN32) && !defined(PERL_STATIC_SYMS) && !defined(PERL_OBJECT)
# 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
# if defined(__CYGWIN__) && defined(USEIMPORTLIB)
# define EXT extern __declspec(dllimport)
# define dEXT
# define EXTCONST extern __declspec(dllimport) const
# define dEXTCONST const
# else
# define EXT extern
# define dEXT
# define EXTCONST extern const
# define dEXTCONST const
# endif
# endif
#endif
#undef INIT
#define INIT(x)
#undef DOINIT