| /* Copyright (C) 1991-2018 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/>. */ |
| |
| #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 |
| # endif |
| #else |
| # define __STDC_IEC_559__ 1 |
| #endif |
| |
| #ifdef __GCC_IEC_559_COMPLEX |
| # if __GCC_IEC_559_COMPLEX > 0 |
| # define __STDC_IEC_559_COMPLEX__ 1 |
| # endif |
| #else |
| # define __STDC_IEC_559_COMPLEX__ 1 |
| #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 |
| |
| /* We do not support C11 <threads.h>. */ |
| #define __STDC_NO_THREADS__ 1 |
| |
| #endif |
