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61 lines
2.2 KiB
C
61 lines
2.2 KiB
C
/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef _STDC_PREDEF_H
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#define _STDC_PREDEF_H 1
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/* This header is separate from features.h so that the compiler can
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include it implicitly at the start of every compilation. It must
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not itself include <features.h> or any other header that includes
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<features.h> because the implicit include comes before any feature
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test macros that may be defined in a source file before it first
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explicitly includes a system header. GCC knows the name of this
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header in order to preinclude it. */
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/* glibc's intent is to support the IEC 559 math functionality, real
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and complex. If the GCC (4.9 and later) predefined macros
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specifying compiler intent are available, use them to determine
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whether the overall intent is to support these features; otherwise,
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presume an older compiler has intent to support these features and
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define these macros by default. */
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#ifdef __GCC_IEC_559
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# if __GCC_IEC_559 > 0
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# define __STDC_IEC_559__ 1
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# endif
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#else
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# define __STDC_IEC_559__ 1
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#endif
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#ifdef __GCC_IEC_559_COMPLEX
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# if __GCC_IEC_559_COMPLEX > 0
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# define __STDC_IEC_559_COMPLEX__ 1
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# endif
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#else
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# define __STDC_IEC_559_COMPLEX__ 1
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#endif
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/* wchar_t uses Unicode 10.0.0. Version 10.0 of the Unicode Standard is
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synchronized with ISO/IEC 10646:2017, fifth edition, plus
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the following additions from Amendment 1 to the fifth edition:
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- 56 emoji characters
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- 285 hentaigana
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- 3 additional Zanabazar Square characters */
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#define __STDC_ISO_10646__ 201706L
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#endif
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