| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Handle POSIX compilation environments that may or may not be present. | 
|  | 2 | Copyright (C) 2012-2016 Free Software Foundation, Inc. | 
|  | 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 | 
|  | 17 | <http://www.gnu.org/licenses/>.  */ | 
|  | 18 |  | 
|  | 19 | /* Before including this file, the including file must have included | 
|  | 20 | <bits/environments.h> (generally via <unistd.h>) and must have | 
|  | 21 | defined the following macros, exactly one of which will be called | 
|  | 22 | for each POSIX environment: | 
|  | 23 |  | 
|  | 24 | KNOWN_PRESENT_ENVIRONMENT, for POSIX environments that are known to | 
|  | 25 | be supported in this libc. | 
|  | 26 |  | 
|  | 27 | KNOWN_ABSENT_ENVIRONMENT, for POSIX environments that are known not | 
|  | 28 | to be supported on this system. | 
|  | 29 |  | 
|  | 30 | UNKNOWN_ENVIRONMENT, for POSIX environments not supported in this | 
|  | 31 | libc but possibly supported by another libc on the same system, | 
|  | 32 | that can be selected using the same compiler but different | 
|  | 33 | compilation options. | 
|  | 34 |  | 
|  | 35 | Each macro has arguments (SC_PREFIX, ENV_PREFIX, SUFFIX).  The | 
|  | 36 | corresponding argument to sysconf is _SC_##SC_PREFIX##_##SUFFIX. | 
|  | 37 | The environment name, as used with getconf, is | 
|  | 38 | ENV_PREFIX##_##SUFFIX, and the corresponding macro is the same with | 
|  | 39 | a leading "_". | 
|  | 40 |  | 
|  | 41 | In addition, the macros START_ENV_GROUP and END_ENV_GROUP must be | 
|  | 42 | defined.  These are called with arguments V5, V6, V7 before and | 
|  | 43 | after the relevant groups of environments.  */ | 
|  | 44 |  | 
|  | 45 | #define NEED_SPEC_ARRAY 0 | 
|  | 46 | #include <posix-conf-vars.h> | 
|  | 47 |  | 
|  | 48 | START_ENV_GROUP (V7) | 
|  | 49 |  | 
|  | 50 | #if CONF_IS_DEFINED_SET (_POSIX_V7_ILP32_OFF32) | 
|  | 51 | KNOWN_PRESENT_ENVIRONMENT (V7, POSIX_V7, ILP32_OFF32) | 
|  | 52 | #elif CONF_IS_DEFINED (_POSIX_V7_ILP32_OFF32) | 
|  | 53 | KNOWN_ABSENT_ENVIRONMENT (V7, POSIX_V7, ILP32_OFF32) | 
|  | 54 | #else | 
|  | 55 | UNKNOWN_ENVIRONMENT (V7, POSIX_V7, ILP32_OFF32) | 
|  | 56 | #endif | 
|  | 57 |  | 
|  | 58 | #if CONF_IS_DEFINED_SET (_POSIX_V7_ILP32_OFFBIG) | 
|  | 59 | KNOWN_PRESENT_ENVIRONMENT (V7, POSIX_V7, ILP32_OFFBIG) | 
|  | 60 | #elif CONF_IS_DEFINED (_POSIX_V7_ILP32_OFFBIG) | 
|  | 61 | KNOWN_ABSENT_ENVIRONMENT (V7, POSIX_V7, ILP32_OFFBIG) | 
|  | 62 | #else | 
|  | 63 | UNKNOWN_ENVIRONMENT (V7, POSIX_V7, ILP32_OFFBIG) | 
|  | 64 | #endif | 
|  | 65 |  | 
|  | 66 | #if CONF_IS_DEFINED_SET (_POSIX_V7_LP64_OFF64) | 
|  | 67 | KNOWN_PRESENT_ENVIRONMENT (V7, POSIX_V7, LP64_OFF64) | 
|  | 68 | #elif CONF_IS_DEFINED (_POSIX_V7_LP64_OFF64) | 
|  | 69 | KNOWN_ABSENT_ENVIRONMENT (V7, POSIX_V7, LP64_OFF64) | 
|  | 70 | #else | 
|  | 71 | UNKNOWN_ENVIRONMENT (V7, POSIX_V7, LP64_OFF64) | 
|  | 72 | #endif | 
|  | 73 |  | 
|  | 74 | #if CONF_IS_DEFINED_SET (_POSIX_V7_LPBIG_OFFBIG) | 
|  | 75 | KNOWN_PRESENT_ENVIRONMENT (V7, POSIX_V7, LPBIG_OFFBIG) | 
|  | 76 | #elif CONF_IS_DEFINED (_POSIX_V7_LPBIG_OFFBIG) | 
|  | 77 | KNOWN_ABSENT_ENVIRONMENT (V7, POSIX_V7, LPBIG_OFFBIG) | 
|  | 78 | #else | 
|  | 79 | UNKNOWN_ENVIRONMENT (V7, POSIX_V7, LPBIG_OFFBIG) | 
|  | 80 | #endif | 
|  | 81 |  | 
|  | 82 | END_ENV_GROUP (V7) | 
|  | 83 |  | 
|  | 84 | START_ENV_GROUP (V6) | 
|  | 85 |  | 
|  | 86 | #if CONF_IS_DEFINED_SET (_POSIX_V6_ILP32_OFF32) | 
|  | 87 | KNOWN_PRESENT_ENVIRONMENT (V6, POSIX_V6, ILP32_OFF32) | 
|  | 88 | #elif CONF_IS_DEFINED (_POSIX_V6_ILP32_OFF32) | 
|  | 89 | KNOWN_ABSENT_ENVIRONMENT (V6, POSIX_V6, ILP32_OFF32) | 
|  | 90 | #else | 
|  | 91 | UNKNOWN_ENVIRONMENT (V6, POSIX_V6, ILP32_OFF32) | 
|  | 92 | #endif | 
|  | 93 |  | 
|  | 94 | #if CONF_IS_DEFINED_SET (_POSIX_V6_ILP32_OFFBIG) | 
|  | 95 | KNOWN_PRESENT_ENVIRONMENT (V6, POSIX_V6, ILP32_OFFBIG) | 
|  | 96 | #elif CONF_IS_DEFINED (_POSIX_V6_ILP32_OFFBIG) | 
|  | 97 | KNOWN_ABSENT_ENVIRONMENT (V6, POSIX_V6, ILP32_OFFBIG) | 
|  | 98 | #else | 
|  | 99 | UNKNOWN_ENVIRONMENT (V6, POSIX_V6, ILP32_OFFBIG) | 
|  | 100 | #endif | 
|  | 101 |  | 
|  | 102 | #if CONF_IS_DEFINED_SET (_POSIX_V6_LP64_OFF64) | 
|  | 103 | KNOWN_PRESENT_ENVIRONMENT (V6, POSIX_V6, LP64_OFF64) | 
|  | 104 | #elif CONF_IS_DEFINED (_POSIX_V6_LP64_OFF64) | 
|  | 105 | KNOWN_ABSENT_ENVIRONMENT (V6, POSIX_V6, LP64_OFF64) | 
|  | 106 | #else | 
|  | 107 | UNKNOWN_ENVIRONMENT (V6, POSIX_V6, LP64_OFF64) | 
|  | 108 | #endif | 
|  | 109 |  | 
|  | 110 | #if CONF_IS_DEFINED_SET (_POSIX_V6_LPBIG_OFFBIG) | 
|  | 111 | KNOWN_PRESENT_ENVIRONMENT (V6, POSIX_V6, LPBIG_OFFBIG) | 
|  | 112 | #elif CONF_IS_DEFINED (_POSIX_V6_LPBIG_OFFBIG) | 
|  | 113 | KNOWN_ABSENT_ENVIRONMENT (V6, POSIX_V6, LPBIG_OFFBIG) | 
|  | 114 | #else | 
|  | 115 | UNKNOWN_ENVIRONMENT (V6, POSIX_V6, LPBIG_OFFBIG) | 
|  | 116 | #endif | 
|  | 117 |  | 
|  | 118 | END_ENV_GROUP (V6) | 
|  | 119 |  | 
|  | 120 | START_ENV_GROUP (V5) | 
|  | 121 |  | 
|  | 122 | #if CONF_IS_DEFINED_SET (_XBS5_ILP32_OFF32) | 
|  | 123 | KNOWN_PRESENT_ENVIRONMENT (XBS5, XBS5, ILP32_OFF32) | 
|  | 124 | #elif CONF_IS_DEFINED (_XBS5_ILP32_OFF32) | 
|  | 125 | KNOWN_ABSENT_ENVIRONMENT (XBS5, XBS5, ILP32_OFF32) | 
|  | 126 | #else | 
|  | 127 | UNKNOWN_ENVIRONMENT (XBS5, XBS5, ILP32_OFF32) | 
|  | 128 | #endif | 
|  | 129 |  | 
|  | 130 | #if CONF_IS_DEFINED_SET (_XBS5_ILP32_OFFBIG) | 
|  | 131 | KNOWN_PRESENT_ENVIRONMENT (XBS5, XBS5, ILP32_OFFBIG) | 
|  | 132 | #elif CONF_IS_DEFINED (_XBS5_ILP32_OFFBIG) | 
|  | 133 | KNOWN_ABSENT_ENVIRONMENT (XBS5, XBS5, ILP32_OFFBIG) | 
|  | 134 | #else | 
|  | 135 | UNKNOWN_ENVIRONMENT (XBS5, XBS5, ILP32_OFFBIG) | 
|  | 136 | #endif | 
|  | 137 |  | 
|  | 138 | #if CONF_IS_DEFINED_SET (_XBS5_LP64_OFF64) | 
|  | 139 | KNOWN_PRESENT_ENVIRONMENT (XBS5, XBS5, LP64_OFF64) | 
|  | 140 | #elif CONF_IS_DEFINED (_XBS5_LP64_OFF64) | 
|  | 141 | KNOWN_ABSENT_ENVIRONMENT (XBS5, XBS5, LP64_OFF64) | 
|  | 142 | #else | 
|  | 143 | UNKNOWN_ENVIRONMENT (XBS5, XBS5, LP64_OFF64) | 
|  | 144 | #endif | 
|  | 145 |  | 
|  | 146 | #if CONF_IS_DEFINED_SET (_XBS5_LPBIG_OFFBIG) | 
|  | 147 | KNOWN_PRESENT_ENVIRONMENT (XBS5, XBS5, LPBIG_OFFBIG) | 
|  | 148 | #elif CONF_IS_DEFINED (_XBS5_LPBIG_OFFBIG) | 
|  | 149 | KNOWN_ABSENT_ENVIRONMENT (XBS5, XBS5, LPBIG_OFFBIG) | 
|  | 150 | #else | 
|  | 151 | UNKNOWN_ENVIRONMENT (XBS5, XBS5, LPBIG_OFFBIG) | 
|  | 152 | #endif | 
|  | 153 |  | 
|  | 154 | END_ENV_GROUP (V5) |