87 lines
2.0 KiB
C
87 lines
2.0 KiB
C
/* Get common system includes and various definitions and declarations
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based on target macros.
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Copyright (C) 2000 Free Software Foundation, Inc.
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef __GCC_TSYSTEM_H__
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#define __GCC_TSYSTEM_H__
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/* GCC supplies this header. */
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#include <stddef.h>
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#ifdef inhibit_libc
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#ifndef malloc
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extern void *malloc (size_t);
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#endif
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#ifndef free
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extern void free (void *);
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#endif
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#ifndef atexit
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extern int atexit (void (*)(void));
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#endif
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#else /* ! inhibit_libc */
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/* We disable this when inhibit_libc, so that gcc can still be built without
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needing header files first. */
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/* ??? This is not a good solution, since prototypes may be required in
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some cases for correct code. */
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/* GCC supplies this header. */
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#include <stdarg.h>
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/* All systems have this header. */
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#include <stdio.h>
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/* All systems have this header. */
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#include <sys/types.h>
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/* All systems have this header. */
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#include <errno.h>
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#ifndef errno
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extern int errno;
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#endif
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#if defined(POSIX) || defined(USG)
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#include <string.h>
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#endif
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/* GCC (fixproto) guarantees these system headers exist. */
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#include <stdlib.h>
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#include <unistd.h>
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/* GCC supplies this header. */
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#include <limits.h>
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#if defined(POSIX) || defined(USG)
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#include <time.h>
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#endif
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#endif /* inhibit_libc */
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/* Define a generic NULL if one hasn't already been defined. */
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#ifndef NULL
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#define NULL 0
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#endif
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#endif /* __GCC_TSYSTEM_H__ */
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