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Generate /usr/libexec/getconf files when cross-compiling.

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This commit is contained in:
Joseph Myers 2012-11-17 01:49:19 +00:00
parent a93f9cbc27
commit 531f1ae0a7
6 changed files with 279 additions and 248 deletions
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24
ChangeLog
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@ -1,3 +1,27 @@
2012-11-17 Joseph Myers <joseph@codesourcery.com>
* posix/getconf-speclist.c: New file.
* posix/posix-envs.def: Likewise.
* posix/confstr.c (START_ENV_GROUP): New macro.
(END_ENV_GROUP): Likewise.
(KNOWN_ABSENT_ENVIRONMENT): Likewise.
(KNOWN_PRESENT_ENV_STRING): Likewise.
(KNOWN_PRESENT_ENVIRONMENT): Likewise.
(UNKNOWN_ENVIRONMENT): Likewise.
(confstr): Include posix-envs.def instead of handling
_CS_V7_WIDTH_RESTRICTED_ENVS, _CS_V6_WIDTH_RESTRICTED_ENVS and
_CS_V5_WIDTH_RESTRICTED_ENVS directly here.
* sysdeps/posix/sysconf.c (START_ENV_GROUP): New macro.
(END_ENV_GROUP): Likewise.
(KNOWN_ABSENT_ENVIRONMENT): Likewise.
(KNOWN_PRESENT_ENVIRONMENT): Likewise.
(UNKNOWN_ENVIRONMENT): Likewise.
(__sysconf): Include posix-envs.def instead of handling associated
cases directly here.
* posix/Makefile ($(objpfx)getconf.speclist): Generate by
preprocessing getconf-speclist.c rather than running getconf or
generating empty file.
2012-11-16 Pino Toscano <toscano.pino@tiscali.it>
* scripts/check-local-headers.sh: Ignore 'mach' headers.

14
posix/Makefile
View File

@ -298,15 +298,7 @@ $(inst_libexecdir)/getconf: $(inst_bindir)/getconf \
mv -f $@/$$spec.new $@/$$spec; \
done < $(objpfx)getconf.speclist
$(objpfx)getconf.speclist: $(objpfx)getconf
ifeq (no,$(cross-compiling))
LC_ALL=C GETCONF_DIR=/dev/null \
$(run-program-prefix) $< _POSIX_V7_WIDTH_RESTRICTED_ENVS > $@.new
LC_ALL=C GETCONF_DIR=/dev/null \
$(run-program-prefix) $< _POSIX_V6_WIDTH_RESTRICTED_ENVS >> $@.new
LC_ALL=C GETCONF_DIR=/dev/null \
$(run-program-prefix) $< _XBS5_WIDTH_RESTRICTED_ENVS >> $@.new
else
> $@.new
endif
$(objpfx)getconf.speclist: getconf-speclist.c posix-envs.def
$(compile.c) -E -o - \
| sed -n -e '/@@@PRESENT_/s/@@@PRESENT_//p' > $@.new
mv -f $@.new $@

201
posix/confstr.c
View File

@ -48,182 +48,53 @@ confstr (name, buf, len)
}
break;
case _CS_V7_WIDTH_RESTRICTED_ENVS:
/* We have to return a newline-separated list of named of
programming environements in which the widths of blksize_t,
/* For _CS_V7_WIDTH_RESTRICTED_ENVS, _CS_V6_WIDTH_RESTRICTED_ENVS
and _CS_V5_WIDTH_RESTRICTED_ENVS:
We have to return a newline-separated list of names of
programming environments in which the widths of blksize_t,
cc_t, mode_t, nfds_t, pid_t, ptrdiff_t, size_t, speed_t,
ssize_t, suseconds_t, tcflag_t, useconds_t, wchar_t, and
wint_t types are no greater than the width of type long.
Currently this means all environment which the system allows. */
Currently this means all environments that the system allows. */
#define START_ENV_GROUP(VERSION) \
case _CS_##VERSION##_WIDTH_RESTRICTED_ENVS: \
string_len = 0;
#ifndef _POSIX_V7_ILP32_OFF32
if (__sysconf (_SC_V7_ILP32_OFF32) > 0)
#endif
#if !defined _POSIX_V7_ILP32_OFF32 || _POSIX_V7_ILP32_OFF32 > 0
{
memcpy (restenvs + string_len, "POSIX_V7_ILP32_OFF32",
sizeof "POSIX_V7_ILP32_OFF32" - 1);
string_len += sizeof "POSIX_V7_ILP32_OFF32" - 1;
}
#endif
#ifndef _POSIX_V7_ILP32_OFFBIG
if (__sysconf (_SC_V7_ILP32_OFFBIG) > 0)
#endif
#if !defined _POSIX_V7_ILP32_OFFBIG || _POSIX_V7_ILP32_OFFBIG > 0
{
if (string_len)
restenvs[string_len++] = '\n';
memcpy (restenvs + string_len, "POSIX_V7_ILP32_OFFBIG",
sizeof "POSIX_V7_ILP32_OFFBIG" - 1);
string_len += sizeof "POSIX_V7_ILP32_OFFBIG" - 1;
}
#endif
#ifndef _POSIX_V7_LP64_OFF64
if (__sysconf (_SC_V7_LP64_OFF64) > 0)
#endif
#if !defined _POSIX_V7_LP64_OFF64 || _POSIX_V7_LP64_OFF64 > 0
{
if (string_len)
restenvs[string_len++] = '\n';
memcpy (restenvs + string_len, "POSIX_V7_LP64_OFF64",
sizeof "POSIX_V7_LP64_OFF64" - 1);
string_len += sizeof "POSIX_V7_LP64_OFF64" - 1;
}
#endif
#ifndef _POSIX_V7_LPBIG_OFFBIG
if (__sysconf (_SC_V7_LPBIG_OFFBIG) > 0)
#endif
#if !defined _POSIX_V7_LPBIG_OFFBIG || _POSIX_V7_LPBIG_OFFBIG > 0
{
if (string_len)
restenvs[string_len++] = '\n';
memcpy (restenvs + string_len, "POSIX_V7_LPBIG_OFFBIG",
sizeof "POSIX_V7_LPBIG_OFFBIG" - 1);
string_len += sizeof "POSIX_V7_LPBIG_OFFBIG" - 1;
}
#endif
restenvs[string_len++] = '\0';
string = restenvs;
#define END_ENV_GROUP(VERSION) \
restenvs[string_len++] = '\0'; \
string = restenvs; \
break;
case _CS_V6_WIDTH_RESTRICTED_ENVS:
/* We have to return a newline-separated list of named of
programming environements in which the widths of blksize_t,
cc_t, mode_t, nfds_t, pid_t, ptrdiff_t, size_t, speed_t,
ssize_t, suseconds_t, tcflag_t, useconds_t, wchar_t, and
wint_t types are no greater than the width of type long.
#define KNOWN_ABSENT_ENVIRONMENT(SC_PREFIX, ENV_PREFIX, SUFFIX) \
/* Empty. */
Currently this means all environment which the system allows. */
string_len = 0;
#ifndef _POSIX_V6_ILP32_OFF32
if (__sysconf (_SC_V6_ILP32_OFF32) > 0)
#endif
#if !defined _POSIX_V6_ILP32_OFF32 || _POSIX_V6_ILP32_OFF32 > 0
{
memcpy (restenvs + string_len, "POSIX_V6_ILP32_OFF32",
sizeof "POSIX_V6_ILP32_OFF32" - 1);
string_len += sizeof "POSIX_V6_ILP32_OFF32" - 1;
}
#endif
#ifndef _POSIX_V6_ILP32_OFFBIG
if (__sysconf (_SC_V6_ILP32_OFFBIG) > 0)
#endif
#if !defined _POSIX_V6_ILP32_OFFBIG || _POSIX_V6_ILP32_OFFBIG > 0
{
if (string_len)
restenvs[string_len++] = '\n';
memcpy (restenvs + string_len, "POSIX_V6_ILP32_OFFBIG",
sizeof "POSIX_V6_ILP32_OFFBIG" - 1);
string_len += sizeof "POSIX_V6_ILP32_OFFBIG" - 1;
}
#endif
#ifndef _POSIX_V6_LP64_OFF64
if (__sysconf (_SC_V6_LP64_OFF64) > 0)
#endif
#if !defined _POSIX_V6_LP64_OFF64 || _POSIX_V6_LP64_OFF64 > 0
{
if (string_len)
restenvs[string_len++] = '\n';
memcpy (restenvs + string_len, "POSIX_V6_LP64_OFF64",
sizeof "POSIX_V6_LP64_OFF64" - 1);
string_len += sizeof "POSIX_V6_LP64_OFF64" - 1;
}
#endif
#ifndef _POSIX_V6_LPBIG_OFFBIG
if (__sysconf (_SC_V6_LPBIG_OFFBIG) > 0)
#endif
#if !defined _POSIX_V6_LPBIG_OFFBIG || _POSIX_V6_LPBIG_OFFBIG > 0
{
if (string_len)
restenvs[string_len++] = '\n';
memcpy (restenvs + string_len, "POSIX_V6_LPBIG_OFFBIG",
sizeof "POSIX_V6_LPBIG_OFFBIG" - 1);
string_len += sizeof "POSIX_V6_LPBIG_OFFBIG" - 1;
}
#endif
restenvs[string_len++] = '\0';
string = restenvs;
break;
#define KNOWN_PRESENT_ENV_STRING(STR) \
if (string_len > 0) \
restenvs[string_len++] = '\n'; \
memcpy (restenvs + string_len, STR, \
sizeof STR - 1); \
string_len += sizeof STR - 1;
case _CS_V5_WIDTH_RESTRICTED_ENVS:
/* We have to return a newline-separated list of named of
programming environements in which the widths of blksize_t,
cc_t, mode_t, nfds_t, pid_t, ptrdiff_t, size_t, speed_t,
ssize_t, suseconds_t, tcflag_t, useconds_t, wchar_t, and
wint_t types are no greater than the width of type long.
#define KNOWN_PRESENT_ENVIRONMENT(SC_PREFIX, ENV_PREFIX, SUFFIX) \
KNOWN_PRESENT_ENV_STRING (#ENV_PREFIX "_" #SUFFIX)
Currently this means all environment which the system allows. */
string_len = 0;
#ifndef _XBS5_ILP32_OFF32
if (__sysconf (_SC_XBS5_ILP32_OFF32) > 0)
#endif
#if !defined _XBS5_ILP32_OFF32 || _XBS5_ILP32_OFF32 > 0
{
memcpy (restenvs + string_len, "XBS5_ILP32_OFF32",
sizeof "XBS5_ILP32_OFF32" - 1);
string_len += sizeof "XBS5_ILP32_OFF32" - 1;
#define UNKNOWN_ENVIRONMENT(SC_PREFIX, ENV_PREFIX, SUFFIX) \
if (__sysconf (_SC_##SC_PREFIX##_##SUFFIX) > 0) \
{ \
KNOWN_PRESENT_ENVIRONMENT (SC_PREFIX, ENV_PREFIX, SUFFIX) \
}
#endif
#ifndef _XBS5_ILP32_OFFBIG
if (__sysconf (_SC_XBS5_ILP32_OFFBIG) > 0)
#endif
#if !defined _XBS5_ILP32_OFFBIG || _XBS5_ILP32_OFFBIG > 0
{
if (string_len)
restenvs[string_len++] = '\n';
memcpy (restenvs + string_len, "XBS5_ILP32_OFFBIG",
sizeof "XBS5_ILP32_OFFBIG" - 1);
string_len += sizeof "XBS5_ILP32_OFFBIG" - 1;
}
#endif
#ifndef _XBS5_LP64_OFF64
if (__sysconf (_SC_XBS5_LP64_OFF64) > 0)
#endif
#if !defined _XBS5_LP64_OFF64 || _XBS5_LP64_OFF64 > 0
{
if (string_len)
restenvs[string_len++] = '\n';
memcpy (restenvs + string_len, "XBS5_LP64_OFF64",
sizeof "XBS5_LP64_OFF64" - 1);
string_len += sizeof "XBS5_LP64_OFF64" - 1;
}
#endif
#ifndef _XBS5_LPBIG_OFFBIG
if (__sysconf (_SC_XBS5_LPBIG_OFFBIG) > 0)
#endif
#if !defined _XBS5_LPBIG_OFFBIG || _XBS5_LPBIG_OFFBIG > 0
{
if (string_len)
restenvs[string_len++] = '\n';
memcpy (restenvs + string_len, "XBS5_LPBIG_OFFBIG",
sizeof "XBS5_LPBIG_OFFBIG" - 1);
string_len += sizeof "XBS5_LPBIG_OFFBIG" - 1;
}
#endif
restenvs[string_len++] = '\0';
string = restenvs;
break;
#include "posix-envs.def"
#undef START_ENV_GROUP
#undef END_ENV_GROUP
#undef KNOWN_ABSENT_ENVIRONMENT
#undef KNOWN_PRESENT_ENV_STRING
#undef KNOWN_PRESENT_ENVIRONMENT
#undef UNKNOWN_ENVIRONMENT
case _CS_XBS5_ILP32_OFF32_CFLAGS:
case _CS_POSIX_V6_ILP32_OFF32_CFLAGS:

42
posix/getconf-speclist.c Normal file
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@ -0,0 +1,42 @@
/* List POSIX compilation environments for this libc.
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/>. */
#include <unistd.h>
#define START_ENV_GROUP(VERSION) \
/* Empty. */
#define END_ENV_GROUP(VERSION) \
/* Empty. */
#define KNOWN_ABSENT_ENVIRONMENT(SC_PREFIX, ENV_PREFIX, SUFFIX) \
/* Empty. */
#define KNOWN_PRESENT_ENVIRONMENT(SC_PREFIX, ENV_PREFIX, SUFFIX) \
@@@PRESENT_##ENV_PREFIX##_##SUFFIX
#define UNKNOWN_ENVIRONMENT(SC_PREFIX, ENV_PREFIX, SUFFIX) \
/* Empty. */
#include "posix-envs.def"
#undef START_ENV_GROUP
#undef END_ENV_GROUP
#undef KNOWN_ABSENT_ENVIRONMENT
#undef KNOWN_PRESENT_ENVIRONMENT
#undef UNKNOWN_ENVIRONMENT

151
posix/posix-envs.def Normal file
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@ -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)

95
sysdeps/posix/sysconf.c
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@ -790,80 +790,31 @@ __sysconf (name)
return -1;
#endif
case _SC_XBS5_ILP32_OFF32:
#ifdef _XBS5_ILP32_OFF32
return _XBS5_ILP32_OFF32;
#else
return __sysconf_check_spec ("ILP32_OFF32");
#endif
case _SC_XBS5_ILP32_OFFBIG:
#ifdef _XBS5_ILP32_OFFBIG
return _XBS5_ILP32_OFFBIG;
#else
return __sysconf_check_spec ("ILP32_OFFBIG");
#endif
case _SC_XBS5_LP64_OFF64:
#ifdef _XBS5_LP64_OFF64
return _XBS5_LP64_OFF64;
#else
return __sysconf_check_spec ("LP64_OFF64");
#endif
case _SC_XBS5_LPBIG_OFFBIG:
#ifdef _XBS5_LPBIG_OFFBIG
return _XBS5_LPBIG_OFFBIG;
#else
return __sysconf_check_spec ("LPBIG_OFFBIG");
#endif
#define START_ENV_GROUP(VERSION) \
/* Empty. */
case _SC_V6_ILP32_OFF32:
#ifdef _POSIX_V6_ILP32_OFF32
return _POSIX_V6_ILP32_OFF32;
#else
return __sysconf_check_spec ("ILP32_OFF32");
#endif
case _SC_V6_ILP32_OFFBIG:
#ifdef _POSIX_V6_ILP32_OFFBIG
return _POSIX_V6_ILP32_OFFBIG;
#else
return __sysconf_check_spec ("ILP32_OFFBIG");
#endif
case _SC_V6_LP64_OFF64:
#ifdef _POSIX_V6_LP64_OFF64
return _POSIX_V6_LP64_OFF64;
#else
return __sysconf_check_spec ("LP64_OFF64");
#endif
case _SC_V6_LPBIG_OFFBIG:
#ifdef _POSIX_V6_LPBIG_OFFBIG
return _POSIX_V6_LPBIG_OFFBIG;
#else
return __sysconf_check_spec ("LPBIG_OFFBIG");
#endif
#define END_ENV_GROUP(VERSION) \
/* Empty. */
case _SC_V7_ILP32_OFF32:
#ifdef _POSIX_V7_ILP32_OFF32
return _POSIX_V7_ILP32_OFF32;
#else
return __sysconf_check_spec ("ILP32_OFF32");
#endif
case _SC_V7_ILP32_OFFBIG:
#ifdef _POSIX_V7_ILP32_OFFBIG
return _POSIX_V7_ILP32_OFFBIG;
#else
return __sysconf_check_spec ("ILP32_OFFBIG");
#endif
case _SC_V7_LP64_OFF64:
#ifdef _POSIX_V7_LP64_OFF64
return _POSIX_V7_LP64_OFF64;
#else
return __sysconf_check_spec ("LP64_OFF64");
#endif
case _SC_V7_LPBIG_OFFBIG:
#ifdef _POSIX_V7_LPBIG_OFFBIG
return _POSIX_V7_LPBIG_OFFBIG;
#else
return __sysconf_check_spec ("LPBIG_OFFBIG");
#endif
#define KNOWN_ABSENT_ENVIRONMENT(SC_PREFIX, ENV_PREFIX, SUFFIX) \
case _SC_##SC_PREFIX##_##SUFFIX: \
return _##ENV_PREFIX##_##SUFFIX;
#define KNOWN_PRESENT_ENVIRONMENT(SC_PREFIX, ENV_PREFIX, SUFFIX) \
case _SC_##SC_PREFIX##_##SUFFIX: \
return _##ENV_PREFIX##_##SUFFIX;
#define UNKNOWN_ENVIRONMENT(SC_PREFIX, ENV_PREFIX, SUFFIX) \
case _SC_##SC_PREFIX##_##SUFFIX: \
return __sysconf_check_spec (#SUFFIX);
#include <posix/posix-envs.def>
#undef START_ENV_GROUP
#undef END_ENV_GROUP
#undef KNOWN_ABSENT_ENVIRONMENT
#undef KNOWN_PRESENT_ENVIRONMENT
#undef UNKNOWN_ENVIRONMENT
case _SC_XOPEN_LEGACY:
return _XOPEN_LEGACY;