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/* getopt-on-non-glibc compatibility macros.
Copyright (C) 1989-2024 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 Lesser General Public License as
published by the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. 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) || __clang_major__ >= 4)
# if __cplusplus >= 201103L
# define __THROW noexcept (true)
# else
# define __THROW throw ()
# endif
# else
# define __THROW
# endif
#endif
#endif /* _GETOPT_CDEFS_H */
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