110 lines
3.0 KiB
C
110 lines
3.0 KiB
C
/* 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 */
|