/* Handle feature test macros at the start of a header.

   Copyright (C) 2016-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library 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.

   The GNU C Library 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 the GNU C Library; if not, see

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

/* This header is internal to glibc and should not be included outside

   of glibc headers.  Headers including it must define

   __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION first.  This header

   cannot have multiple include guards because ISO C feature test

   macros depend on the definition of the macro when an affected

   header is included, not when the first system header is

   included.  */

#ifndef __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION

# error "Never include <bits/libc-header-start.h> directly."

#endif

#undef __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION

#include <features.h>

/* ISO/IEC TR 24731-2:2010 defines the __STDC_WANT_LIB_EXT2__

   macro.  */

#undef __GLIBC_USE_LIB_EXT2

#if (defined __USE_GNU							\

     || (defined __STDC_WANT_LIB_EXT2__ && __STDC_WANT_LIB_EXT2__ > 0))

# define __GLIBC_USE_LIB_EXT2 1

#else

# define __GLIBC_USE_LIB_EXT2 0

#endif

/* ISO/IEC TS 18661-1:2014 defines the __STDC_WANT_IEC_60559_BFP_EXT__

   macro.  */

#undef __GLIBC_USE_IEC_60559_BFP_EXT

#if defined __USE_GNU || defined __STDC_WANT_IEC_60559_BFP_EXT__

# define __GLIBC_USE_IEC_60559_BFP_EXT 1

#else

# define __GLIBC_USE_IEC_60559_BFP_EXT 0

#endif

/* ISO/IEC TS 18661-4:2015 defines the

   __STDC_WANT_IEC_60559_FUNCS_EXT__ macro.  */

#undef __GLIBC_USE_IEC_60559_FUNCS_EXT

#if defined __USE_GNU || defined __STDC_WANT_IEC_60559_FUNCS_EXT__

# define __GLIBC_USE_IEC_60559_FUNCS_EXT 1

#else

# define __GLIBC_USE_IEC_60559_FUNCS_EXT 0

#endif

/* ISO/IEC TS 18661-3:2015 defines the

   __STDC_WANT_IEC_60559_TYPES_EXT__ macro.  */

#undef __GLIBC_USE_IEC_60559_TYPES_EXT

#if defined __USE_GNU || defined __STDC_WANT_IEC_60559_TYPES_EXT__

# define __GLIBC_USE_IEC_60559_TYPES_EXT 1

#else

# define __GLIBC_USE_IEC_60559_TYPES_EXT 0

#endif