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[thirdparty/glibc.git] / posix / posix-envs.def

/* Handle POSIX compilation environments that may or may not be present.
   Copyright (C) 2012-2021 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
   <https://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.  */

#define NEED_SPEC_ARRAY 0
#include <posix-conf-vars.h>

START_ENV_GROUP (V7)

#if CONF_IS_DEFINED_SET (_POSIX_V7_ILP32_OFF32)
KNOWN_PRESENT_ENVIRONMENT (V7, POSIX_V7, ILP32_OFF32)
#elif CONF_IS_DEFINED (_POSIX_V7_ILP32_OFF32)
KNOWN_ABSENT_ENVIRONMENT (V7, POSIX_V7, ILP32_OFF32)
#else
UNKNOWN_ENVIRONMENT (V7, POSIX_V7, ILP32_OFF32)
#endif

#if CONF_IS_DEFINED_SET (_POSIX_V7_ILP32_OFFBIG)
KNOWN_PRESENT_ENVIRONMENT (V7, POSIX_V7, ILP32_OFFBIG)
#elif CONF_IS_DEFINED (_POSIX_V7_ILP32_OFFBIG)
KNOWN_ABSENT_ENVIRONMENT (V7, POSIX_V7, ILP32_OFFBIG)
#else
UNKNOWN_ENVIRONMENT (V7, POSIX_V7, ILP32_OFFBIG)
#endif

#if CONF_IS_DEFINED_SET (_POSIX_V7_LP64_OFF64)
KNOWN_PRESENT_ENVIRONMENT (V7, POSIX_V7, LP64_OFF64)
#elif CONF_IS_DEFINED (_POSIX_V7_LP64_OFF64)
KNOWN_ABSENT_ENVIRONMENT (V7, POSIX_V7, LP64_OFF64)
#else
UNKNOWN_ENVIRONMENT (V7, POSIX_V7, LP64_OFF64)
#endif

#if CONF_IS_DEFINED_SET (_POSIX_V7_LPBIG_OFFBIG)
KNOWN_PRESENT_ENVIRONMENT (V7, POSIX_V7, LPBIG_OFFBIG)
#elif CONF_IS_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 CONF_IS_DEFINED_SET (_POSIX_V6_ILP32_OFF32)
KNOWN_PRESENT_ENVIRONMENT (V6, POSIX_V6, ILP32_OFF32)
#elif CONF_IS_DEFINED (_POSIX_V6_ILP32_OFF32)
KNOWN_ABSENT_ENVIRONMENT (V6, POSIX_V6, ILP32_OFF32)
#else
UNKNOWN_ENVIRONMENT (V6, POSIX_V6, ILP32_OFF32)
#endif

#if CONF_IS_DEFINED_SET (_POSIX_V6_ILP32_OFFBIG)
KNOWN_PRESENT_ENVIRONMENT (V6, POSIX_V6, ILP32_OFFBIG)
#elif CONF_IS_DEFINED (_POSIX_V6_ILP32_OFFBIG)
KNOWN_ABSENT_ENVIRONMENT (V6, POSIX_V6, ILP32_OFFBIG)
#else
UNKNOWN_ENVIRONMENT (V6, POSIX_V6, ILP32_OFFBIG)
#endif

#if CONF_IS_DEFINED_SET (_POSIX_V6_LP64_OFF64)
KNOWN_PRESENT_ENVIRONMENT (V6, POSIX_V6, LP64_OFF64)
#elif CONF_IS_DEFINED (_POSIX_V6_LP64_OFF64)
KNOWN_ABSENT_ENVIRONMENT (V6, POSIX_V6, LP64_OFF64)
#else
UNKNOWN_ENVIRONMENT (V6, POSIX_V6, LP64_OFF64)
#endif

#if CONF_IS_DEFINED_SET (_POSIX_V6_LPBIG_OFFBIG)
KNOWN_PRESENT_ENVIRONMENT (V6, POSIX_V6, LPBIG_OFFBIG)
#elif CONF_IS_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 CONF_IS_DEFINED_SET (_XBS5_ILP32_OFF32)
KNOWN_PRESENT_ENVIRONMENT (XBS5, XBS5, ILP32_OFF32)
#elif CONF_IS_DEFINED (_XBS5_ILP32_OFF32)
KNOWN_ABSENT_ENVIRONMENT (XBS5, XBS5, ILP32_OFF32)
#else
UNKNOWN_ENVIRONMENT (XBS5, XBS5, ILP32_OFF32)
#endif

#if CONF_IS_DEFINED_SET (_XBS5_ILP32_OFFBIG)
KNOWN_PRESENT_ENVIRONMENT (XBS5, XBS5, ILP32_OFFBIG)
#elif CONF_IS_DEFINED (_XBS5_ILP32_OFFBIG)
KNOWN_ABSENT_ENVIRONMENT (XBS5, XBS5, ILP32_OFFBIG)
#else
UNKNOWN_ENVIRONMENT (XBS5, XBS5, ILP32_OFFBIG)
#endif

#if CONF_IS_DEFINED_SET (_XBS5_LP64_OFF64)
KNOWN_PRESENT_ENVIRONMENT (XBS5, XBS5, LP64_OFF64)
#elif CONF_IS_DEFINED (_XBS5_LP64_OFF64)
KNOWN_ABSENT_ENVIRONMENT (XBS5, XBS5, LP64_OFF64)
#else
UNKNOWN_ENVIRONMENT (XBS5, XBS5, LP64_OFF64)
#endif

#if CONF_IS_DEFINED_SET (_XBS5_LPBIG_OFFBIG)
KNOWN_PRESENT_ENVIRONMENT (XBS5, XBS5, LPBIG_OFFBIG)
#elif CONF_IS_DEFINED (_XBS5_LPBIG_OFFBIG)
KNOWN_ABSENT_ENVIRONMENT (XBS5, XBS5, LPBIG_OFFBIG)
#else
UNKNOWN_ENVIRONMENT (XBS5, XBS5, LPBIG_OFFBIG)
#endif

END_ENV_GROUP (V5)