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Define ISO 639-3 "ltg" (Latgalian) and add ltg_LV locale
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48789000 1/* Handle feature test macros at the start of a header.
dff8da6b 2 Copyright (C) 2016-2024 Free Software Foundation, Inc.
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3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
5a82c748 17 <https://www.gnu.org/licenses/>. */
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18
19/* This header is internal to glibc and should not be included outside
20 of glibc headers. Headers including it must define
21 __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION first. This header
22 cannot have multiple include guards because ISO C feature test
23 macros depend on the definition of the macro when an affected
24 header is included, not when the first system header is
25 included. */
26
27#ifndef __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION
28# error "Never include <bits/libc-header-start.h> directly."
29#endif
30
31#undef __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION
32
33#include <features.h>
34
35/* ISO/IEC TR 24731-2:2010 defines the __STDC_WANT_LIB_EXT2__
36 macro. */
37#undef __GLIBC_USE_LIB_EXT2
38#if (defined __USE_GNU \
39 || (defined __STDC_WANT_LIB_EXT2__ && __STDC_WANT_LIB_EXT2__ > 0))
40# define __GLIBC_USE_LIB_EXT2 1
41#else
42# define __GLIBC_USE_LIB_EXT2 0
43#endif
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44
45/* ISO/IEC TS 18661-1:2014 defines the __STDC_WANT_IEC_60559_BFP_EXT__
0175c9e9 46 macro. Most but not all symbols enabled by that macro in TS
42cc619d 47 18661-1 are enabled unconditionally in C23. In C23, the symbols in
858045ad 48 Annex F still require a new feature test macro
42cc619d 49 __STDC_WANT_IEC_60559_EXT__ instead (C23 does not define
858045ad 50 __STDC_WANT_IEC_60559_BFP_EXT__), while a few features from TS
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51 18661-1 are not included in C23 (and thus should depend on
52 __STDC_WANT_IEC_60559_BFP_EXT__ even when C23 features are
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53 enabled).
54
55 __GLIBC_USE (IEC_60559_BFP_EXT) controls those features from TS
42cc619d 56 18661-1 not included in C23.
858045ad 57
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58 __GLIBC_USE (IEC_60559_BFP_EXT_C23) controls those features from TS
59 18661-1 that are also included in C23 (with no feature test macro
60 required in C23).
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61
62 __GLIBC_USE (IEC_60559_EXT) controls those features from TS 18661-1
42cc619d 63 that are included in C23 but conditional on
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64 __STDC_WANT_IEC_60559_EXT__. (There are currently no features
65 conditional on __STDC_WANT_IEC_60559_EXT__ that are not in TS
66 18661-1.) */
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67#undef __GLIBC_USE_IEC_60559_BFP_EXT
68#if defined __USE_GNU || defined __STDC_WANT_IEC_60559_BFP_EXT__
69# define __GLIBC_USE_IEC_60559_BFP_EXT 1
70#else
71# define __GLIBC_USE_IEC_60559_BFP_EXT 0
72#endif
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73#undef __GLIBC_USE_IEC_60559_BFP_EXT_C23
74#if __GLIBC_USE (IEC_60559_BFP_EXT) || __GLIBC_USE (ISOC23)
75# define __GLIBC_USE_IEC_60559_BFP_EXT_C23 1
0175c9e9 76#else
42cc619d 77# define __GLIBC_USE_IEC_60559_BFP_EXT_C23 0
0175c9e9 78#endif
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79#undef __GLIBC_USE_IEC_60559_EXT
80#if __GLIBC_USE (IEC_60559_BFP_EXT) || defined __STDC_WANT_IEC_60559_EXT__
81# define __GLIBC_USE_IEC_60559_EXT 1
82#else
83# define __GLIBC_USE_IEC_60559_EXT 0
84#endif
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85
86/* ISO/IEC TS 18661-4:2015 defines the
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87 __STDC_WANT_IEC_60559_FUNCS_EXT__ macro. Other than the reduction
88 functions, the symbols from this TS are enabled unconditionally in
42cc619d 89 C23. */
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90#undef __GLIBC_USE_IEC_60559_FUNCS_EXT
91#if defined __USE_GNU || defined __STDC_WANT_IEC_60559_FUNCS_EXT__
92# define __GLIBC_USE_IEC_60559_FUNCS_EXT 1
93#else
94# define __GLIBC_USE_IEC_60559_FUNCS_EXT 0
95#endif
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96#undef __GLIBC_USE_IEC_60559_FUNCS_EXT_C23
97#if __GLIBC_USE (IEC_60559_FUNCS_EXT) || __GLIBC_USE (ISOC23)
98# define __GLIBC_USE_IEC_60559_FUNCS_EXT_C23 1
c3ce62cc 99#else
42cc619d 100# define __GLIBC_USE_IEC_60559_FUNCS_EXT_C23 0
c3ce62cc 101#endif
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102
103/* ISO/IEC TS 18661-3:2015 defines the
104 __STDC_WANT_IEC_60559_TYPES_EXT__ macro. */
105#undef __GLIBC_USE_IEC_60559_TYPES_EXT
106#if defined __USE_GNU || defined __STDC_WANT_IEC_60559_TYPES_EXT__
107# define __GLIBC_USE_IEC_60559_TYPES_EXT 1
108#else
109# define __GLIBC_USE_IEC_60559_TYPES_EXT 0
110#endif