/* System definitions for code taken from the GNU C Library

   Copyright 2017-2020 Free Software Foundation, Inc.

   This program 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 program 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/>.  */

/* Written by Paul Eggert.  */

/* This is intended to be a good-enough substitute for glibc system

   macros like those defined in <sys/cdefs.h>, so that Gnulib code

   shared with glibc can do this as the first #include:

     #ifndef _LIBC

     # include <libc-config.h>

     #endif

   When compiled as part of glibc this is a no-op; when compiled as

   part of Gnulib this includes Gnulib's <config.h> and defines macros

   that glibc library code would normally assume.  */

#include <config.h>

/* On glibc this includes <features.h> and <sys/cdefs.h> and #defines

   _FEATURES_H, __WORDSIZE, and __set_errno.  On FreeBSD 11 it

   includes <sys/cdefs.h> which defines __nonnull.  Elsewhere it

   is harmless.  */

#include <errno.h>

/* From glibc <errno.h>.  */

#ifndef __set_errno

# define __set_errno(val) (errno = (val))

#endif

/* From glibc <features.h>.  */

#ifndef __GNUC_PREREQ

# if defined __GNUC__ && defined __GNUC_MINOR__

#  define __GNUC_PREREQ(maj, min) ((maj) < __GNUC__ + ((min) <= __GNUC_MINOR__))

# else

#  define __GNUC_PREREQ(maj, min) 0

# endif

#endif

#ifndef __glibc_clang_prereq

# if defined __clang_major__ && defined __clang_minor__

#  ifdef __apple_build_version__

/* Apple for some reason renumbers __clang_major__ and __clang_minor__.

   Gnulib code uses only __glibc_clang_prereq (3, 5); map it to

   6000000 <= __apple_build_version__.  Support for other calls to

   __glibc_clang_prereq can be added here as needed.  */

#   define __glibc_clang_prereq(maj, min) \

      ((maj) == 3 && (min) == 5 ? 6000000 <= __apple_build_version__ : 0)

#  else

#   define __glibc_clang_prereq(maj, min) \

      ((maj) < __clang_major__ + ((min) <= __clang_minor__))

#  endif

# else

#  define __glibc_clang_prereq(maj, min) 0

# endif

#endif

/* Prepare to include <cdefs.h>, which is our copy of glibc

   <sys/cdefs.h>.  */

/* Define _FEATURES_H so that <cdefs.h> does not include <features.h>.  */

#ifndef _FEATURES_H

# define _FEATURES_H 1

#endif

/* Define __WORDSIZE so that <cdefs.h> does not attempt to include

   nonexistent files.  Make it a syntax error, since Gnulib does not

   use __WORDSIZE now, and if Gnulib uses it later the syntax error

   will let us know that __WORDSIZE needs configuring.  */

#ifndef __WORDSIZE

# define __WORDSIZE %%%

#endif

/* Undef the macros unconditionally defined by our copy of glibc

   <sys/cdefs.h>, so that they do not clash with any system-defined

   versions.  */

#undef _SYS_CDEFS_H

#undef __ASMNAME

#undef __ASMNAME2

#undef __BEGIN_DECLS

#undef __CONCAT

#undef __END_DECLS

#undef __HAVE_GENERIC_SELECTION

#undef __LDBL_COMPAT

#undef __LDBL_REDIR

#undef __LDBL_REDIR1

#undef __LDBL_REDIR1_DECL

#undef __LDBL_REDIR1_NTH

#undef __LDBL_REDIR_DECL

#undef __LDBL_REDIR_NTH

#undef __LEAF

#undef __LEAF_ATTR

#undef __NTH

#undef __NTHNL

#undef __P

#undef __PMT

#undef __REDIRECT

#undef __REDIRECT_LDBL

#undef __REDIRECT_NTH

#undef __REDIRECT_NTHNL

#undef __REDIRECT_NTH_LDBL

#undef __STRING

#undef __THROW

#undef __THROWNL

#undef __always_inline

#undef __attribute__

#undef __attribute_alloc_size__

#undef __attribute_artificial__

#undef __attribute_const__

#undef __attribute_deprecated__

#undef __attribute_deprecated_msg__

#undef __attribute_format_arg__

#undef __attribute_format_strfmon__

#undef __attribute_malloc__

#undef __attribute_noinline__

#undef __attribute_nonstring__

#undef __attribute_pure__

#undef __attribute_used__

#undef __attribute_warn_unused_result__

#undef __bos

#undef __bos0

#undef __errordecl

#undef __extension__

#undef __extern_always_inline

#undef __extern_inline

#undef __flexarr

#undef __fortify_function

#undef __glibc_c99_flexarr_available

#undef __glibc_clang_has_extension

#undef __glibc_likely

#undef __glibc_macro_warning

#undef __glibc_macro_warning1

#undef __glibc_unlikely

#undef __inline

#undef __ptr_t

#undef __restrict

#undef __restrict_arr

#undef __va_arg_pack

#undef __va_arg_pack_len

#undef __warnattr

#undef __warndecl

/* Include our copy of glibc <sys/cdefs.h>.  */

#include <cdefs.h>

/* <cdefs.h> __inline is too pessimistic for non-GCC.  */

#undef __inline

#ifndef HAVE___INLINE

# if 199901 <= __STDC_VERSION__ || defined inline

#  define __inline inline

# else

#  define __inline

# endif

#endif

/* A substitute for glibc <libc-symbols.h>, good enough for Gnulib.  */

#define attribute_hidden

#define libc_hidden_proto(name, ...)

#define libc_hidden_def(name)

#define libc_hidden_weak(name)

#define libc_hidden_ver(local, name)

#define strong_alias(name, aliasname)

#define weak_alias(name, aliasname)

/* A substitute for glibc <shlib-compat.h>, good enough for Gnulib.  */

#define SHLIB_COMPAT(lib, introduced, obsoleted) 0

#define versioned_symbol(lib, local, symbol, version)