1/* ANSI and traditional C compatibility macros.
2   Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
3
4This file is part of GNU CC.
5
6GNU CC is free software; you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation; either version 2, or (at your option)
9any later version.
10
11GNU CC is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with GNU CC; see the file COPYING.  If not, write to
18the Free Software Foundation, 59 Temple Place - Suite 330,
19Boston, MA 02111-1307, USA.  */
20
21/* This file mimics some of the support provided by include/ansidecl.h
22   in binutils and gdb releases.
23   ??? Over time the two should be merged into one.  */
24
25#ifndef	__GANSIDECL_H__
26#define	__GANSIDECL_H__
27
28#include "ansidecl.h"
29
30/* Undef ansidecl.h's "obsolete" version. */
31#undef PROTO
32/* These macros are deprecated, use ansidecl.h's PARAMS style instead. */
33#define PROTO(ARGS) PARAMS(ARGS)
34#define VPROTO(ARGS) VPARAMS(ARGS)
35#define PVPROTO(ARGS) PARAMS(ARGS)
36
37/* Autoconf will possibly define the `inline' or `const' keywords as
38   macros, however this is only valid for the stage1 compiler.  If we
39   detect a modern version of gcc, unconditionally reset the values.
40   This makes sure the right thing happens in stage2 and later.  We
41   need to do this very early; i.e. before any systems header files or
42   gcc header files in case they use these keywords.  Otherwise
43   conflicts might occur. */
44#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
45# undef const
46# undef inline
47# define inline __inline__  /* Modern gcc can use `__inline__' freely. */
48#endif /* GCC >= 2.7 */
49
50#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
51# define __attribute__(x)
52#endif
53
54#ifndef ATTRIBUTE_UNUSED_LABEL
55# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 93)
56#  define ATTRIBUTE_UNUSED_LABEL
57# else
58#  define ATTRIBUTE_UNUSED_LABEL ATTRIBUTE_UNUSED
59# endif /* GNUC < 2.93 */
60#endif /* ATTRIBUTE_UNUSED_LABEL */
61
62#ifndef ATTRIBUTE_UNUSED
63#define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
64#endif /* ATTRIBUTE_UNUSED */
65
66#ifndef ATTRIBUTE_NORETURN
67#define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__))
68#endif /* ATTRIBUTE_NORETURN */
69
70#ifndef ATTRIBUTE_PRINTF
71#define ATTRIBUTE_PRINTF(m, n) __attribute__ ((format (__printf__, m, n)))
72#define ATTRIBUTE_PRINTF_1 ATTRIBUTE_PRINTF(1, 2)
73#define ATTRIBUTE_PRINTF_2 ATTRIBUTE_PRINTF(2, 3)
74#define ATTRIBUTE_PRINTF_3 ATTRIBUTE_PRINTF(3, 4)
75#define ATTRIBUTE_PRINTF_4 ATTRIBUTE_PRINTF(4, 5)
76#define ATTRIBUTE_PRINTF_5 ATTRIBUTE_PRINTF(5, 6)
77#endif /* ATTRIBUTE_PRINTF */
78
79#define GENERIC_PTR PTR
80
81#ifndef NULL_PTR
82#define NULL_PTR ((PTR) 0)
83#endif
84
85#endif /* __GANSIDECL_H__ */
86