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- /* Copyright (C) 1991-2023 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
- <https://www.gnu.org/licenses/>. */
- #ifndef _STDC_PREDEF_H
- #define _STDC_PREDEF_H 1
- /* This header is separate from features.h so that the compiler can
- include it implicitly at the start of every compilation. It must
- not itself include <features.h> or any other header that includes
- <features.h> because the implicit include comes before any feature
- test macros that may be defined in a source file before it first
- explicitly includes a system header. GCC knows the name of this
- header in order to preinclude it. */
- /* glibc's intent is to support the IEC 559 math functionality, real
- and complex. If the GCC (4.9 and later) predefined macros
- specifying compiler intent are available, use them to determine
- whether the overall intent is to support these features; otherwise,
- presume an older compiler has intent to support these features and
- define these macros by default. */
- #ifdef __GCC_IEC_559
- # if __GCC_IEC_559 > 0
- # define __STDC_IEC_559__ 1
- # define __STDC_IEC_60559_BFP__ 201404L
- # endif
- #else
- # define __STDC_IEC_559__ 1
- # define __STDC_IEC_60559_BFP__ 201404L
- #endif
- #ifdef __GCC_IEC_559_COMPLEX
- # if __GCC_IEC_559_COMPLEX > 0
- # define __STDC_IEC_559_COMPLEX__ 1
- # define __STDC_IEC_60559_COMPLEX__ 201404L
- # endif
- #else
- # define __STDC_IEC_559_COMPLEX__ 1
- # define __STDC_IEC_60559_COMPLEX__ 201404L
- #endif
- /* wchar_t uses Unicode 10.0.0. Version 10.0 of the Unicode Standard is
- synchronized with ISO/IEC 10646:2017, fifth edition, plus
- the following additions from Amendment 1 to the fifth edition:
- - 56 emoji characters
- - 285 hentaigana
- - 3 additional Zanabazar Square characters */
- #define __STDC_ISO_10646__ 201706L
- #endif
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