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Diffstat (limited to 'posix/posix-envs.def')
| -rw-r--r-- | posix/posix-envs.def | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/posix/posix-envs.def b/posix/posix-envs.def new file mode 100644 index 0000000000..c32ea8acfc --- /dev/null +++ b/posix/posix-envs.def @@ -0,0 +1,151 @@ +/* Handle POSIX compilation environments that may or may not be present. + Copyright (C) 2012 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/>. */ + +/* Before including this file, the including file must have included + <bits/environments.h> (generally via <unistd.h>) and must have + defined the following macros, exactly one of which will be called + for each POSIX environment: + + KNOWN_PRESENT_ENVIRONMENT, for POSIX environments that are known to + be supported in this libc. + + KNOWN_ABSENT_ENVIRONMENT, for POSIX environments that are known not + to be supported on this system. + + UNKNOWN_ENVIRONMENT, for POSIX environments not supported in this + libc but possibly supported by another libc on the same system, + that can be selected using the same compiler but different + compilation options. + + Each macro has arguments (SC_PREFIX, ENV_PREFIX, SUFFIX). The + corresponding argument to sysconf is _SC_##SC_PREFIX##_##SUFFIX. + The environment name, as used with getconf, is + ENV_PREFIX##_##SUFFIX, and the corresponding macro is the same with + a leading "_". + + In addition, the macros START_ENV_GROUP and END_ENV_GROUP must be + defined. These are called with arguments V5, V6, V7 before and + after the relevant groups of environments. */ + +START_ENV_GROUP (V7) + +#if _POSIX_V7_ILP32_OFF32 > 0 +KNOWN_PRESENT_ENVIRONMENT (V7, POSIX_V7, ILP32_OFF32) +#elif defined _POSIX_V7_ILP32_OFF32 +KNOWN_ABSENT_ENVIRONMENT (V7, POSIX_V7, ILP32_OFF32) +#else +UNKNOWN_ENVIRONMENT (V7, POSIX_V7, ILP32_OFF32) +#endif + +#if _POSIX_V7_ILP32_OFFBIG > 0 +KNOWN_PRESENT_ENVIRONMENT (V7, POSIX_V7, ILP32_OFFBIG) +#elif defined _POSIX_V7_ILP32_OFFBIG +KNOWN_ABSENT_ENVIRONMENT (V7, POSIX_V7, ILP32_OFFBIG) +#else +UNKNOWN_ENVIRONMENT (V7, POSIX_V7, ILP32_OFFBIG) +#endif + +#if _POSIX_V7_LP64_OFF64 > 0 +KNOWN_PRESENT_ENVIRONMENT (V7, POSIX_V7, LP64_OFF64) +#elif defined _POSIX_V7_LP64_OFF64 +KNOWN_ABSENT_ENVIRONMENT (V7, POSIX_V7, LP64_OFF64) +#else +UNKNOWN_ENVIRONMENT (V7, POSIX_V7, LP64_OFF64) +#endif + +#if _POSIX_V7_LPBIG_OFFBIG > 0 +KNOWN_PRESENT_ENVIRONMENT (V7, POSIX_V7, LPBIG_OFFBIG) +#elif defined _POSIX_V7_LPBIG_OFFBIG +KNOWN_ABSENT_ENVIRONMENT (V7, POSIX_V7, LPBIG_OFFBIG) +#else +UNKNOWN_ENVIRONMENT (V7, POSIX_V7, LPBIG_OFFBIG) +#endif + +END_ENV_GROUP (V7) + +START_ENV_GROUP (V6) + +#if _POSIX_V6_ILP32_OFF32 > 0 +KNOWN_PRESENT_ENVIRONMENT (V6, POSIX_V6, ILP32_OFF32) +#elif defined _POSIX_V6_ILP32_OFF32 +KNOWN_ABSENT_ENVIRONMENT (V6, POSIX_V6, ILP32_OFF32) +#else +UNKNOWN_ENVIRONMENT (V6, POSIX_V6, ILP32_OFF32) +#endif + +#if _POSIX_V6_ILP32_OFFBIG > 0 +KNOWN_PRESENT_ENVIRONMENT (V6, POSIX_V6, ILP32_OFFBIG) +#elif defined _POSIX_V6_ILP32_OFFBIG +KNOWN_ABSENT_ENVIRONMENT (V6, POSIX_V6, ILP32_OFFBIG) +#else +UNKNOWN_ENVIRONMENT (V6, POSIX_V6, ILP32_OFFBIG) +#endif + +#if _POSIX_V6_LP64_OFF64 > 0 +KNOWN_PRESENT_ENVIRONMENT (V6, POSIX_V6, LP64_OFF64) +#elif defined _POSIX_V6_LP64_OFF64 +KNOWN_ABSENT_ENVIRONMENT (V6, POSIX_V6, LP64_OFF64) +#else +UNKNOWN_ENVIRONMENT (V6, POSIX_V6, LP64_OFF64) +#endif + +#if _POSIX_V6_LPBIG_OFFBIG > 0 +KNOWN_PRESENT_ENVIRONMENT (V6, POSIX_V6, LPBIG_OFFBIG) +#elif defined _POSIX_V6_LPBIG_OFFBIG +KNOWN_ABSENT_ENVIRONMENT (V6, POSIX_V6, LPBIG_OFFBIG) +#else +UNKNOWN_ENVIRONMENT (V6, POSIX_V6, LPBIG_OFFBIG) +#endif + +END_ENV_GROUP (V6) + +START_ENV_GROUP (V5) + +#if _XBS5_ILP32_OFF32 > 0 +KNOWN_PRESENT_ENVIRONMENT (XBS5, XBS5, ILP32_OFF32) +#elif defined _XBS5_ILP32_OFF32 +KNOWN_ABSENT_ENVIRONMENT (XBS5, XBS5, ILP32_OFF32) +#else +UNKNOWN_ENVIRONMENT (XBS5, XBS5, ILP32_OFF32) +#endif + +#if _XBS5_ILP32_OFFBIG > 0 +KNOWN_PRESENT_ENVIRONMENT (XBS5, XBS5, ILP32_OFFBIG) +#elif defined _XBS5_ILP32_OFFBIG +KNOWN_ABSENT_ENVIRONMENT (XBS5, XBS5, ILP32_OFFBIG) +#else +UNKNOWN_ENVIRONMENT (XBS5, XBS5, ILP32_OFFBIG) +#endif + +#if _XBS5_LP64_OFF64 > 0 +KNOWN_PRESENT_ENVIRONMENT (XBS5, XBS5, LP64_OFF64) +#elif defined _XBS5_LP64_OFF64 +KNOWN_ABSENT_ENVIRONMENT (XBS5, XBS5, LP64_OFF64) +#else +UNKNOWN_ENVIRONMENT (XBS5, XBS5, LP64_OFF64) +#endif + +#if _XBS5_LPBIG_OFFBIG > 0 +KNOWN_PRESENT_ENVIRONMENT (XBS5, XBS5, LPBIG_OFFBIG) +#elif defined _XBS5_LPBIG_OFFBIG +KNOWN_ABSENT_ENVIRONMENT (XBS5, XBS5, LPBIG_OFFBIG) +#else +UNKNOWN_ENVIRONMENT (XBS5, XBS5, LPBIG_OFFBIG) +#endif + +END_ENV_GROUP (V5) |