| 1 | /* Copyright (C) 1991-2022 Free Software Foundation, Inc. |
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| 2 | This file is part of the GNU C Library. |
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| 3 | |
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| 4 | The GNU C Library is free software; you can redistribute it and/or |
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| 5 | modify it under the terms of the GNU Lesser General Public |
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| 6 | License as published by the Free Software Foundation; either |
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| 7 | version 2.1 of the License, or (at your option) any later version. |
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| 8 | |
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| 9 | The GNU C Library is distributed in the hope that it will be useful, |
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | Lesser General Public License for more details. |
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| 13 | |
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| 14 | You should have received a copy of the GNU Lesser General Public |
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| 15 | License along with the GNU C Library; if not, see |
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| 16 | <https://www.gnu.org/licenses/>. */ |
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| 17 | |
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| 18 | #ifndef _STDC_PREDEF_H |
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| 19 | #define _STDC_PREDEF_H 1 |
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| 20 | |
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| 21 | /* This header is separate from features.h so that the compiler can |
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| 22 | include it implicitly at the start of every compilation. It must |
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| 23 | not itself include <features.h> or any other header that includes |
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| 24 | <features.h> because the implicit include comes before any feature |
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| 25 | test macros that may be defined in a source file before it first |
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| 26 | explicitly includes a system header. GCC knows the name of this |
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| 27 | header in order to preinclude it. */ |
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| 28 | |
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| 29 | /* glibc's intent is to support the IEC 559 math functionality, real |
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| 30 | and complex. If the GCC (4.9 and later) predefined macros |
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| 31 | specifying compiler intent are available, use them to determine |
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| 32 | whether the overall intent is to support these features; otherwise, |
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| 33 | presume an older compiler has intent to support these features and |
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| 34 | define these macros by default. */ |
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| 35 | |
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| 36 | #ifdef __GCC_IEC_559 |
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| 37 | # if __GCC_IEC_559 > 0 |
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| 38 | # define __STDC_IEC_559__ 1 |
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| 39 | # define __STDC_IEC_60559_BFP__ 201404L |
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| 40 | # endif |
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| 41 | #else |
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| 42 | # define __STDC_IEC_559__ 1 |
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| 43 | # define __STDC_IEC_60559_BFP__ 201404L |
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| 44 | #endif |
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| 45 | |
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| 46 | #ifdef __GCC_IEC_559_COMPLEX |
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| 47 | # if __GCC_IEC_559_COMPLEX > 0 |
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| 48 | # define __STDC_IEC_559_COMPLEX__ 1 |
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| 49 | # define __STDC_IEC_60559_COMPLEX__ 201404L |
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| 50 | # endif |
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| 51 | #else |
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| 52 | # define __STDC_IEC_559_COMPLEX__ 1 |
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| 53 | # define __STDC_IEC_60559_COMPLEX__ 201404L |
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| 54 | #endif |
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| 55 | |
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| 56 | /* wchar_t uses Unicode 10.0.0. Version 10.0 of the Unicode Standard is |
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| 57 | synchronized with ISO/IEC 10646:2017, fifth edition, plus |
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| 58 | the following additions from Amendment 1 to the fifth edition: |
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| 59 | - 56 emoji characters |
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| 60 | - 285 hentaigana |
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| 61 | - 3 additional Zanabazar Square characters */ |
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| 62 | #define __STDC_ISO_10646__ 201706L |
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| 63 | |
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| 64 | #endif |
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| 65 | |
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