diff options
Diffstat (limited to 'libc/posix')
| -rw-r--r-- | libc/posix/Makefile | 36 | ||||
| -rw-r--r-- | libc/posix/confstr.c | 50 | ||||
| -rw-r--r-- | libc/posix/confstr.inc | 198 | ||||
| -rw-r--r-- | libc/posix/cross-getconf.c | 144 | ||||
| -rw-r--r-- | libc/posix/getconf-speclist.c | 42 | ||||
| -rw-r--r-- | libc/posix/posix-envs.def | 151 |
6 files changed, 244 insertions, 377 deletions
diff --git a/libc/posix/Makefile b/libc/posix/Makefile index a9028ac62..7ec8485ee 100644 --- a/libc/posix/Makefile +++ b/libc/posix/Makefile @@ -165,6 +165,7 @@ $(objpfx)config-name.h: $(..)scripts/config-uname.sh $(common-objpfx)config.make CFLAGS-regex.c = -Wno-strict-prototypes CFLAGS-getaddrinfo.c = -DRESOLVER -fexceptions +CFLAGS-pause.c = -fexceptions -fasynchronous-unwind-tables CFLAGS-pread.c = -fexceptions -fasynchronous-unwind-tables CFLAGS-pread64.c = -fexceptions -fasynchronous-unwind-tables CFLAGS-pwrite.c = -fexceptions -fasynchronous-unwind-tables @@ -335,36 +336,7 @@ $(inst_libexecdir)/getconf: $(inst_bindir)/getconf \ mv -f $@/$$spec.new $@/$$spec; \ done < $(objpfx)getconf.speclist -# eglibc: If we are cross-compiling, build cross-getconf utility and use it -# instead of getconf. - -# We moved a piece of confstr.c to confstr.inc to share the later with -# cross-getconf.c. -confstr.c: confstr.inc - -ifeq (no,$(cross-compiling)) -getconf-dep = $(objpfx)getconf -getconf-cmd = $(run-program-prefix) $(objpfx)getconf -else -getconf-dep = $(objpfx)cross-getconf -getconf-cmd = $(objpfx)cross-getconf - -# Get configuration defines for cross-getconf by preprocessing confstr.c. -$(objpfx)cross-getconf.h: confstr.c - $(compile.c) -E -dM -o - | grep "define _POSIX_V7_ILP32_OFF32\|define _POSIX_V7_ILP32_OFFBIG\|define _POSIX_V7_LP64_OFF64\|define _POSIX_V7_LPBIG_OFFBIG\|_POSIX_V6_ILP32_OFF32\|define _POSIX_V6_ILP32_OFFBIG\|define _POSIX_V6_LP64_OFF64\|define _POSIX_V6_LPBIG_OFFBIG\|_XBS5_ILP32_OFF32\|define _XBS5_ILP32_OFFBIG\|define _XBS5_LP64_OFF64\|define _XBS5_LPBIG_OFFBIG" > $(objpfx)cross-getconf.h - -cross-getconf-CFLAGS = -O -I$(objpfx) - -$(objpfx)cross-getconf: cross-getconf.c $(objpfx)cross-getconf.h - $(native-compile) -endif - -$(objpfx)getconf.speclist: $(getconf-dep) - LC_ALL=C GETCONF_DIR=/dev/null \ - $(getconf-cmd) _POSIX_V7_WIDTH_RESTRICTED_ENVS > $@.new - LC_ALL=C GETCONF_DIR=/dev/null \ - $(getconf-cmd) _POSIX_V6_WIDTH_RESTRICTED_ENVS >> $@.new - LC_ALL=C GETCONF_DIR=/dev/null \ - $(getconf-cmd) _XBS5_WIDTH_RESTRICTED_ENVS >> $@.new +$(objpfx)getconf.speclist: getconf-speclist.c posix-envs.def + $(compile.c) -E -o - \ + | sed -n -e '/@@@PRESENT_/s/@@@PRESENT_//p' > $@.new mv -f $@.new $@ -# eglibc: end. diff --git a/libc/posix/confstr.c b/libc/posix/confstr.c index 3f79d459a..7d86d60bc 100644 --- a/libc/posix/confstr.c +++ b/libc/posix/confstr.c @@ -48,9 +48,53 @@ confstr (name, buf, len) } break; - /* eglibc: We share code in confstr.inc with cross-getconf.c. */ -#include "confstr.inc" - /* eglibc: end. */ + /* 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 environments that the system allows. */ + +#define START_ENV_GROUP(VERSION) \ + case _CS_##VERSION##_WIDTH_RESTRICTED_ENVS: \ + string_len = 0; + +#define END_ENV_GROUP(VERSION) \ + restenvs[string_len++] = '\0'; \ + string = restenvs; \ + break; + +#define KNOWN_ABSENT_ENVIRONMENT(SC_PREFIX, ENV_PREFIX, SUFFIX) \ + /* Empty. */ + +#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; + +#define KNOWN_PRESENT_ENVIRONMENT(SC_PREFIX, ENV_PREFIX, SUFFIX) \ + KNOWN_PRESENT_ENV_STRING (#ENV_PREFIX "_" #SUFFIX) + +#define UNKNOWN_ENVIRONMENT(SC_PREFIX, ENV_PREFIX, SUFFIX) \ + if (__sysconf (_SC_##SC_PREFIX##_##SUFFIX) > 0) \ + { \ + KNOWN_PRESENT_ENVIRONMENT (SC_PREFIX, ENV_PREFIX, SUFFIX) \ + } + +#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: diff --git a/libc/posix/confstr.inc b/libc/posix/confstr.inc deleted file mode 100644 index 9f1a0711e..000000000 --- a/libc/posix/confstr.inc +++ /dev/null @@ -1,198 +0,0 @@ -/* Copyright (C) 2008, 2009, 2010 - 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -/* eglibc: The following piece of code was extracted from - confstr.c to share it with cross-getconf.c. */ - - 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, - 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. */ - 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; - 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. - - 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; - - 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. - - 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; - } -#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; diff --git a/libc/posix/cross-getconf.c b/libc/posix/cross-getconf.c deleted file mode 100644 index 7cbd9c7bc..000000000 --- a/libc/posix/cross-getconf.c +++ /dev/null @@ -1,144 +0,0 @@ -/* Copyright (C) 2008 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; version 2 of the License, or - (at your option) any later version. - - This program 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 General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> - -/* Undefine macros that should be defined in cross-getconf.h. */ -#undef _POSIX_V7_ILP32_OFF32 -#undef _POSIX_V7_ILP32_OFFBIG -#undef _POSIX_V7_LP64_OFF64 -#undef _POSIX_V7_LPBIG_OFFBIG -#undef _POSIX_V6_ILP32_OFF32 -#undef _POSIX_V6_ILP32_OFFBIG -#undef _POSIX_V6_LP64_OFF64 -#undef _POSIX_V6_LPBIG_OFFBIG -#undef _XBS5_ILP32_OFF32 -#undef _XBS5_ILP32_OFFBIG -#undef _XBS5_LP64_OFF64 -#undef _XBS5_LPBIG_OFFBIG - -#include "cross-getconf.h" - -/* Define macros cross-getconf.h doesn't define to (-1). - This will prevent using host's __sysconf in confstr.inc. */ -#ifndef _POSIX_V7_ILP32_OFF32 -# define _POSIX_V7_ILP32_OFF32 (-1) -#endif -#ifndef _POSIX_V7_ILP32_OFFBIG -# define _POSIX_V7_ILP32_OFFBIG (-1) -#endif -#ifndef _POSIX_V7_LP64_OFF64 -# define _POSIX_V7_LP64_OFF64 (-1) -#endif -#ifndef _POSIX_V7_LPBIG_OFFBIG -# define _POSIX_V7_LPBIG_OFFBIG (-1) -#endif -#ifndef _POSIX_V6_ILP32_OFF32 -# define _POSIX_V6_ILP32_OFF32 (-1) -#endif -#ifndef _POSIX_V6_ILP32_OFFBIG -# define _POSIX_V6_ILP32_OFFBIG (-1) -#endif -#ifndef _POSIX_V6_LP64_OFF64 -# define _POSIX_V6_LP64_OFF64 (-1) -#endif -#ifndef _POSIX_V6_LPBIG_OFFBIG -# define _POSIX_V6_LPBIG_OFFBIG (-1) -#endif -#ifndef _XBS5_ILP32_OFF32 -# define _XBS5_ILP32_OFF32 (-1) -#endif -#ifndef _XBS5_ILP32_OFFBIG -# define _XBS5_ILP32_OFFBIG (-1) -#endif -#ifndef _XBS5_LP64_OFF64 -# define _XBS5_LP64_OFF64 (-1) -#endif -#ifndef _XBS5_LPBIG_OFFBIG -# define _XBS5_LPBIG_OFFBIG (-1) -#endif - -#undef _CS_V5_WIDTH_RESTRICTED_ENVS -#define _CS_V5_WIDTH_RESTRICTED_ENVS 5 - -#undef _CS_V6_WIDTH_RESTRICTED_ENVS -#define _CS_V6_WIDTH_RESTRICTED_ENVS 6 - -#undef _CS_V7_WIDTH_RESTRICTED_ENVS -#define _CS_V7_WIDTH_RESTRICTED_ENVS 7 - -/* Cross-getconf is a very simple program that assumes fixed - input and produces fixed output. It handles only cases - that are necessary to cross-compile EGLIBC. */ - -void -cross_getconf (int name) -{ - const char *string = ""; - size_t string_len = 1; - - /* Note that this buffer must be large enough for the longest strings - used below. */ - char restenvs[4 * sizeof "POSIX_V7_LPBIG_OFFBIG"]; - - switch (name) - { -#include "confstr.inc" - } - - printf ("%.*s\n", (int) string_len, string); -} - -int -main (int argc, char *argv[]) -{ - const char *getconf_dir; - - if (argc != 2) - { - fprintf (stderr, - "%s: must be called with exactly one argument\n", argv[0]); - return 1; - } - - getconf_dir = getenv ("GETCONF_DIR"); - if (getconf_dir == NULL - || strcmp (getconf_dir, "/dev/null") != 0) - { - fprintf (stderr, "%s: GETCONF_DIR should be /dev/null\n", argv[0]); - return 1; - } - - if (strcmp (argv[1], "_POSIX_V7_WIDTH_RESTRICTED_ENVS") == 0) - cross_getconf (_CS_V7_WIDTH_RESTRICTED_ENVS); - else if (strcmp (argv[1], "_POSIX_V6_WIDTH_RESTRICTED_ENVS") == 0) - cross_getconf (_CS_V6_WIDTH_RESTRICTED_ENVS); - else if (strcmp (argv[1], "_XBS5_WIDTH_RESTRICTED_ENVS") == 0) - cross_getconf (_CS_V5_WIDTH_RESTRICTED_ENVS); - else - { - fprintf (stderr, - "%s: the only supported arguments value are " - "_POSIX_V7_WIDTH_RESTRICTED_ENVS, " - "_POSIX_V6_WIDTH_RESTRICTED_ENVS, and " - "_XBS5_WIDTH_RESTRICTED_ENVS\n", argv[0]); - return 1; - } - return 0; -} diff --git a/libc/posix/getconf-speclist.c b/libc/posix/getconf-speclist.c new file mode 100644 index 000000000..72c5c3de8 --- /dev/null +++ b/libc/posix/getconf-speclist.c @@ -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 diff --git a/libc/posix/posix-envs.def b/libc/posix/posix-envs.def new file mode 100644 index 000000000..c32ea8acf --- /dev/null +++ b/libc/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) |