/* getopt-on-non-glibc compatibility macros.

   Copyright (C) 1989-2018 Free Software Foundation, Inc.

   This file is part of gnulib.

   Unlike most of the getopt implementation, it is NOT shared

   with the GNU C Library.

   This file 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 3 of

   the License, or (at your option) any later version.

   This file 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 gnulib; if not, see

   <https://www.gnu.org/licenses/>.  */

#ifndef _GETOPT_CDEFS_H

#define _GETOPT_CDEFS_H 1

/* This header should not be used directly; include getopt.h or

   unistd.h instead.  It does not have a protective #error, because

   the guard macro for getopt.h in gnulib is not fixed.  */

/* getopt-core.h and getopt-ext.h are shared with GNU libc, and expect

   a number of the internal macros supplied to GNU libc's headers by

   sys/cdefs.h.  Provide fallback definitions for all of them.  */

#if @HAVE_SYS_CDEFS_H@

# include <sys/cdefs.h>

#endif

#ifndef __BEGIN_DECLS

# ifdef __cplusplus

#  define __BEGIN_DECLS extern "C" {

# else

#  define __BEGIN_DECLS /* nothing */

# endif

#endif

#ifndef __END_DECLS

# ifdef __cplusplus

#  define __END_DECLS }

# else

#  define __END_DECLS /* nothing */

# endif

#endif

#ifndef __GNUC_PREREQ

# if defined __GNUC__ && defined __GNUC_VERSION__

# define __GNUC_PREREQ(maj, min) \

        ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))

# else

#  define __GNUC_PREREQ(maj, min) 0

# endif

#endif

#ifndef __THROW

# if defined __cplusplus && __GNUC_PREREQ (2,8)

#  define __THROW       throw ()

# else

#  define __THROW

# endif

#endif

#endif /* _GETOPT_CDEFS_H */