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/* Get common system includes and various definitions and declarations
based on target macros.
Copyright (C) 2000, 2001 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
/* As a special exception, if you link this library with other files,
some of which are compiled with GCC, to produce an executable,
this library does not by itself cause the resulting executable
to be covered by the GNU General Public License.
This exception does not however invalidate any other reasons why
the executable file might be covered by the GNU General Public License. */
#ifndef GCC_TSYSTEM_H
#define GCC_TSYSTEM_H
/* System headers (e.g. stdio.h, stdlib.h, unistd.h) sometimes
indirectly include getopt.h. Our -I flags will cause gcc's gnu
getopt.h to be included, not the platform's copy. In the default
case, gnu getopt.h will provide us with a no-argument prototype
which will generate -Wstrict-prototypes warnings. None of the
target files actually use getopt, so it is safe to tell gnu
getopt.h we never need this prototype. */
#ifndef HAVE_DECL_GETOPT
#define HAVE_DECL_GETOPT 1
#endif
/* GCC supplies these headers. */
#include <stddef.h>
#include <float.h>
#ifdef inhibit_libc
#ifndef malloc
extern void *malloc (size_t);
#endif
#ifndef free
extern void free (void *);
#endif
#ifndef atexit
extern int atexit (void (*)(void));
#endif
#ifndef abort
extern void abort (void) __attribute__ ((__noreturn__));
#endif
#ifndef strlen
extern size_t strlen (const char *);
#endif
#else /* ! inhibit_libc */
/* We disable this when inhibit_libc, so that gcc can still be built without
needing header files first. */
/* ??? This is not a good solution, since prototypes may be required in
some cases for correct code. */
/* GCC supplies this header. */
#include <stdarg.h>
/* All systems have this header. */
#include <stdio.h>
/* All systems have this header. */
#include <sys/types.h>
/* All systems have this header. */
#include <errno.h>
#ifndef errno
extern int errno;
#endif
/* GCC (fixproto) guarantees these system headers exist. */
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
/* GCC supplies this header. */
#include <limits.h>
/* GCC (fixproto) guarantees this system headers exists. */
#include <time.h>
#endif /* inhibit_libc */
/* Define a generic NULL if one hasn't already been defined. */
#ifndef NULL
#define NULL 0
#endif
#endif /* ! GCC_TSYSTEM_H */
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