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