1 /* ANSI and traditional C compatibility macros. 2 Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc. 3 4 This file is part of GNU CC. 5 6 GNU CC is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 2, or (at your option) 9 any later version. 10 11 GNU CC is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GNU CC; see the file COPYING. If not, write to 18 the Free Software Foundation, 59 Temple Place - Suite 330, 19 Boston, 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