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-rw-r--r--libc/sysdeps/linux/common/Makefile3
-rw-r--r--libc/sysdeps/linux/common/syscalls.c4
-rw-r--r--libc/sysdeps/linux/i386/bits/confname.h408
-rw-r--r--libc/sysdeps/linux/i386/bits/posix_opt.h110
4 files changed, 522 insertions, 3 deletions
diff --git a/libc/sysdeps/linux/common/Makefile b/libc/sysdeps/linux/common/Makefile
index 0c361ba48..8d2b93830 100644
--- a/libc/sysdeps/linux/common/Makefile
+++ b/libc/sysdeps/linux/common/Makefile
@@ -29,7 +29,8 @@ LIBC=$(TOPDIR)libc.a
CSRC =closedir.o dirfd.o getdents.o getdnnm.o gethstnm.o getpagesize.o \
isatty.o kernel_version.o mkfifo.o opendir.o readdir.o rewinddir.o \
seekdir.o setegid.o seteuid.o setpgrp.o statfix.o tcgetatr.o tell.o \
- telldir.o wait.o wait3.o _xmknod.o _fxstat.o _lxstat.o _xstat.o
+ telldir.o wait.o wait3.o _xmknod.o _fxstat.o _lxstat.o _xstat.o \
+ libc_init.o
COBJS=$(patsubst %.c,%.o, $(CSRC))
diff --git a/libc/sysdeps/linux/common/syscalls.c b/libc/sysdeps/linux/common/syscalls.c
index c7d4343be..6b18c356d 100644
--- a/libc/sysdeps/linux/common/syscalls.c
+++ b/libc/sysdeps/linux/common/syscalls.c
@@ -44,13 +44,13 @@ _syscall0(pid_t, fork);
//#define __NR_read 3
#ifdef L_read
#include <unistd.h>
-_syscall3(size_t, read, int, fd, char *, buf, size_t, count);
+_syscall3(ssize_t, read, int, fd, __ptr_t, buf, size_t, count);
#endif
//#define __NR_write 4
#ifdef L_write
#include <unistd.h>
-_syscall3(size_t, write, int, fd, const char *, buf, size_t, count);
+_syscall3(ssize_t, write, int, fd, const __ptr_t, buf, size_t, count);
#endif
//#define __NR_open 5
diff --git a/libc/sysdeps/linux/i386/bits/confname.h b/libc/sysdeps/linux/i386/bits/confname.h
new file mode 100644
index 000000000..229088d67
--- /dev/null
+++ b/libc/sysdeps/linux/i386/bits/confname.h
@@ -0,0 +1,408 @@
+/* `sysconf', `pathconf', and `confstr' NAME values. Generic version.
+ Copyright (C) 1993, 1995, 1996, 1997, 1998 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _UNISTD_H
+# error "Never use <bits/confname.h> directly; include <unistd.h> instead."
+#endif
+
+/* Values for the NAME argument to `pathconf' and `fpathconf'. */
+enum
+ {
+ _PC_LINK_MAX,
+#define _PC_LINK_MAX _PC_LINK_MAX
+ _PC_MAX_CANON,
+#define _PC_MAX_CANON _PC_MAX_CANON
+ _PC_MAX_INPUT,
+#define _PC_MAX_INPUT _PC_MAX_INPUT
+ _PC_NAME_MAX,
+#define _PC_NAME_MAX _PC_NAME_MAX
+ _PC_PATH_MAX,
+#define _PC_PATH_MAX _PC_PATH_MAX
+ _PC_PIPE_BUF,
+#define _PC_PIPE_BUF _PC_PIPE_BUF
+ _PC_CHOWN_RESTRICTED,
+#define _PC_CHOWN_RESTRICTED _PC_CHOWN_RESTRICTED
+ _PC_NO_TRUNC,
+#define _PC_NO_TRUNC _PC_NO_TRUNC
+ _PC_VDISABLE,
+#define _PC_VDISABLE _PC_VDISABLE
+ _PC_SYNC_IO,
+#define _PC_SYNC_IO _PC_SYNC_IO
+ _PC_ASYNC_IO,
+#define _PC_ASYNC_IO _PC_ASYNC_IO
+ _PC_PRIO_IO,
+#define _PC_PRIO_IO _PC_PRIO_IO
+ _PC_SOCK_MAXBUF,
+#define _PC_SOCK_MAXBUF _PC_SOCK_MAXBUF
+ _PC_FILESIZEBITS
+#define _PC_FILESIZEBITS _PC_FILESIZEBITS
+ };
+
+/* Values for the argument to `sysconf'. */
+enum
+ {
+ _SC_ARG_MAX,
+#define _SC_ARG_MAX _SC_ARG_MAX
+ _SC_CHILD_MAX,
+#define _SC_CHILD_MAX _SC_CHILD_MAX
+ _SC_CLK_TCK,
+#define _SC_CLK_TCK _SC_CLK_TCK
+ _SC_NGROUPS_MAX,
+#define _SC_NGROUPS_MAX _SC_NGROUPS_MAX
+ _SC_OPEN_MAX,
+#define _SC_OPEN_MAX _SC_OPEN_MAX
+ _SC_STREAM_MAX,
+#define _SC_STREAM_MAX _SC_STREAM_MAX
+ _SC_TZNAME_MAX,
+#define _SC_TZNAME_MAX _SC_TZNAME_MAX
+ _SC_JOB_CONTROL,
+#define _SC_JOB_CONTROL _SC_JOB_CONTROL
+ _SC_SAVED_IDS,
+#define _SC_SAVED_IDS _SC_SAVED_IDS
+ _SC_REALTIME_SIGNALS,
+#define _SC_REALTIME_SIGNALS _SC_REALTIME_SIGNALS
+ _SC_PRIORITY_SCHEDULING,
+#define _SC_PRIORITY_SCHEDULING _SC_PRIORITY_SCHEDULING
+ _SC_TIMERS,
+#define _SC_TIMERS _SC_TIMERS
+ _SC_ASYNCHRONOUS_IO,
+#define _SC_ASYNCHRONOUS_IO _SC_ASYNCHRONOUS_IO
+ _SC_PRIORITIZED_IO,
+#define _SC_PRIORITIZED_IO _SC_PRIORITIZED_IO
+ _SC_SYNCHRONIZED_IO,
+#define _SC_SYNCHRONIZED_IO _SC_SYNCHRONIZED_IO
+ _SC_FSYNC,
+#define _SC_FSYNC _SC_FSYNC
+ _SC_MAPPED_FILES,
+#define _SC_MAPPED_FILES _SC_MAPPED_FILES
+ _SC_MEMLOCK,
+#define _SC_MEMLOCK _SC_MEMLOCK
+ _SC_MEMLOCK_RANGE,
+#define _SC_MEMLOCK_RANGE _SC_MEMLOCK_RANGE
+ _SC_MEMORY_PROTECTION,
+#define _SC_MEMORY_PROTECTION _SC_MEMORY_PROTECTION
+ _SC_MESSAGE_PASSING,
+#define _SC_MESSAGE_PASSING _SC_MESSAGE_PASSING
+ _SC_SEMAPHORES,
+#define _SC_SEMAPHORES _SC_SEMAPHORES
+ _SC_SHARED_MEMORY_OBJECTS,
+#define _SC_SHARED_MEMORY_OBJECTS _SC_SHARED_MEMORY_OBJECTS
+ _SC_AIO_LISTIO_MAX,
+#define _SC_AIO_LISTIO_MAX _SC_AIO_LISTIO_MAX
+ _SC_AIO_MAX,
+#define _SC_AIO_MAX _SC_AIO_MAX
+ _SC_AIO_PRIO_DELTA_MAX,
+#define _SC_AIO_PRIO_DELTA_MAX _SC_AIO_PRIO_DELTA_MAX
+ _SC_DELAYTIMER_MAX,
+#define _SC_DELAYTIMER_MAX _SC_DELAYTIMER_MAX
+ _SC_MQ_OPEN_MAX,
+#define _SC_MQ_OPEN_MAX _SC_MQ_OPEN_MAX
+ _SC_MQ_PRIO_MAX,
+#define _SC_MQ_PRIO_MAX _SC_MQ_PRIO_MAX
+ _SC_VERSION,
+#define _SC_VERSION _SC_VERSION
+ _SC_PAGESIZE,
+#define _SC_PAGESIZE _SC_PAGESIZE
+#define _SC_PAGE_SIZE _SC_PAGESIZE
+ _SC_RTSIG_MAX,
+#define _SC_RTSIG_MAX _SC_RTSIG_MAX
+ _SC_SEM_NSEMS_MAX,
+#define _SC_SEM_NSEMS_MAX _SC_SEM_NSEMS_MAX
+ _SC_SEM_VALUE_MAX,
+#define _SC_SEM_VALUE_MAX _SC_SEM_VALUE_MAX
+ _SC_SIGQUEUE_MAX,
+#define _SC_SIGQUEUE_MAX _SC_SIGQUEUE_MAX
+ _SC_TIMER_MAX,
+#define _SC_TIMER_MAX _SC_TIMER_MAX
+
+ /* Values for the argument to `sysconf'
+ corresponding to _POSIX2_* symbols. */
+ _SC_BC_BASE_MAX,
+#define _SC_BC_BASE_MAX _SC_BC_BASE_MAX
+ _SC_BC_DIM_MAX,
+#define _SC_BC_DIM_MAX _SC_BC_DIM_MAX
+ _SC_BC_SCALE_MAX,
+#define _SC_BC_SCALE_MAX _SC_BC_SCALE_MAX
+ _SC_BC_STRING_MAX,
+#define _SC_BC_STRING_MAX _SC_BC_STRING_MAX
+ _SC_COLL_WEIGHTS_MAX,
+#define _SC_COLL_WEIGHTS_MAX _SC_COLL_WEIGHTS_MAX
+ _SC_EQUIV_CLASS_MAX,
+#define _SC_EQUIV_CLASS_MAX _SC_EQUIV_CLASS_MAX
+ _SC_EXPR_NEST_MAX,
+#define _SC_EXPR_NEST_MAX _SC_EXPR_NEST_MAX
+ _SC_LINE_MAX,
+#define _SC_LINE_MAX _SC_LINE_MAX
+ _SC_RE_DUP_MAX,
+#define _SC_RE_DUP_MAX _SC_RE_DUP_MAX
+ _SC_CHARCLASS_NAME_MAX,
+#define _SC_CHARCLASS_NAME_MAX _SC_CHARCLASS_NAME_MAX
+
+ _SC_2_VERSION,
+#define _SC_2_VERSION _SC_2_VERSION
+ _SC_2_C_BIND,
+#define _SC_2_C_BIND _SC_2_C_BIND
+ _SC_2_C_DEV,
+#define _SC_2_C_DEV _SC_2_C_DEV
+ _SC_2_FORT_DEV,
+#define _SC_2_FORT_DEV _SC_2_FORT_DEV
+ _SC_2_FORT_RUN,
+#define _SC_2_FORT_RUN _SC_2_FORT_RUN
+ _SC_2_SW_DEV,
+#define _SC_2_SW_DEV _SC_2_SW_DEV
+ _SC_2_LOCALEDEF,
+#define _SC_2_LOCALEDEF _SC_2_LOCALEDEF
+
+ _SC_PII,
+#define _SC_PII _SC_PII
+ _SC_PII_XTI,
+#define _SC_PII_XTI _SC_PII_XTI
+ _SC_PII_SOCKET,
+#define _SC_PII_SOCKET _SC_PII_SOCKET
+ _SC_PII_INTERNET,
+#define _SC_PII_INTERNET _SC_PII_INTERNET
+ _SC_PII_OSI,
+#define _SC_PII_OSI _SC_PII_OSI
+ _SC_POLL,
+#define _SC_POLL _SC_POLL
+ _SC_SELECT,
+#define _SC_SELECT _SC_SELECT
+ _SC_UIO_MAXIOV,
+#define _SC_UIO_MAXIOV _SC_UIO_MAXIOV
+ _SC_PII_INTERNET_STREAM,
+#define _SC_PII_INTERNET_STREAM _SC_PII_INTERNET_STREAM
+ _SC_PII_INTERNET_DGRAM,
+#define _SC_PII_INTERNET_DGRAM _SC_PII_INTERNET_DGRAM
+ _SC_PII_OSI_COTS,
+#define _SC_PII_OSI_COTS _SC_PII_OSI_COTS
+ _SC_PII_OSI_CLTS,
+#define _SC_PII_OSI_CLTS _SC_PII_OSI_CLTS
+ _SC_PII_OSI_M,
+#define _SC_PII_OSI_M _SC_PII_OSI_M
+ _SC_T_IOV_MAX,
+#define _SC_T_IOV_MAX _SC_T_IOV_MAX
+
+ /* Values according to POSIX 1003.1c (POSIX threads). */
+ _SC_THREADS,
+#define _SC_THREADS _SC_THREADS
+ _SC_THREAD_SAFE_FUNCTIONS,
+#define _SC_THREAD_SAFE_FUNCTIONS _SC_THREAD_SAFE_FUNCTIONS
+ _SC_GETGR_R_SIZE_MAX,
+#define _SC_GETGR_R_SIZE_MAX _SC_GETGR_R_SIZE_MAX
+ _SC_GETPW_R_SIZE_MAX,
+#define _SC_GETPW_R_SIZE_MAX _SC_GETPW_R_SIZE_MAX
+ _SC_LOGIN_NAME_MAX,
+#define _SC_LOGIN_NAME_MAX _SC_LOGIN_NAME_MAX
+ _SC_TTY_NAME_MAX,
+#define _SC_TTY_NAME_MAX _SC_TTY_NAME_MAX
+ _SC_THREAD_DESTRUCTOR_ITERATIONS,
+#define _SC_THREAD_DESTRUCTOR_ITERATIONS _SC_THREAD_DESTRUCTOR_ITERATIONS
+ _SC_THREAD_KEYS_MAX,
+#define _SC_THREAD_KEYS_MAX _SC_THREAD_KEYS_MAX
+ _SC_THREAD_STACK_MIN,
+#define _SC_THREAD_STACK_MIN _SC_THREAD_STACK_MIN
+ _SC_THREAD_THREADS_MAX,
+#define _SC_THREAD_THREADS_MAX _SC_THREAD_THREADS_MAX
+ _SC_THREAD_ATTR_STACKADDR,
+#define _SC_THREAD_ATTR_STACKADDR _SC_THREAD_ATTR_STACKADDR
+ _SC_THREAD_ATTR_STACKSIZE,
+#define _SC_THREAD_ATTR_STACKSIZE _SC_THREAD_ATTR_STACKSIZE
+ _SC_THREAD_PRIORITY_SCHEDULING,
+#define _SC_THREAD_PRIORITY_SCHEDULING _SC_THREAD_PRIORITY_SCHEDULING
+ _SC_THREAD_PRIO_INHERIT,
+#define _SC_THREAD_PRIO_INHERIT _SC_THREAD_PRIO_INHERIT
+ _SC_THREAD_PRIO_PROTECT,
+#define _SC_THREAD_PRIO_PROTECT _SC_THREAD_PRIO_PROTECT
+ _SC_THREAD_PROCESS_SHARED,
+#define _SC_THREAD_PROCESS_SHARED _SC_THREAD_PROCESS_SHARED
+
+ _SC_NPROCESSORS_CONF,
+#define _SC_NPROCESSORS_CONF _SC_NPROCESSORS_CONF
+ _SC_NPROCESSORS_ONLN,
+#define _SC_NPROCESSORS_ONLN _SC_NPROCESSORS_ONLN
+ _SC_PHYS_PAGES,
+#define _SC_PHYS_PAGES _SC_PHYS_PAGES
+ _SC_AVPHYS_PAGES,
+#define _SC_AVPHYS_PAGES _SC_AVPHYS_PAGES
+ _SC_ATEXIT_MAX,
+#define _SC_ATEXIT_MAX _SC_ATEXIT_MAX
+ _SC_PASS_MAX,
+#define _SC_PASS_MAX _SC_PASS_MAX
+
+ _SC_XOPEN_VERSION,
+#define _SC_XOPEN_VERSION _SC_XOPEN_VERSION
+ _SC_XOPEN_XCU_VERSION,
+#define _SC_XOPEN_XCU_VERSION _SC_XOPEN_XCU_VERSION
+ _SC_XOPEN_UNIX,
+#define _SC_XOPEN_UNIX _SC_XOPEN_UNIX
+ _SC_XOPEN_CRYPT,
+#define _SC_XOPEN_CRYPT _SC_XOPEN_CRYPT
+ _SC_XOPEN_ENH_I18N,
+#define _SC_XOPEN_ENH_I18N _SC_XOPEN_ENH_I18N
+ _SC_XOPEN_SHM,
+#define _SC_XOPEN_SHM _SC_XOPEN_SHM
+
+ _SC_2_CHAR_TERM,
+#define _SC_2_CHAR_TERM _SC_2_CHAR_TERM
+ _SC_2_C_VERSION,
+#define _SC_2_C_VERSION _SC_2_C_VERSION
+ _SC_2_UPE,
+#define _SC_2_UPE _SC_2_UPE
+
+ _SC_XOPEN_XPG2,
+#define _SC_XOPEN_XPG2 _SC_XOPEN_XPG2
+ _SC_XOPEN_XPG3,
+#define _SC_XOPEN_XPG3 _SC_XOPEN_XPG3
+ _SC_XOPEN_XPG4,
+#define _SC_XOPEN_XPG4 _SC_XOPEN_XPG4
+
+ _SC_CHAR_BIT,
+#define _SC_CHAR_BIT _SC_CHAR_BIT
+ _SC_CHAR_MAX,
+#define _SC_CHAR_MAX _SC_CHAR_MAX
+ _SC_CHAR_MIN,
+#define _SC_CHAR_MIN _SC_CHAR_MIN
+ _SC_INT_MAX,
+#define _SC_INT_MAX _SC_INT_MAX
+ _SC_INT_MIN,
+#define _SC_INT_MIN _SC_INT_MIN
+ _SC_LONG_BIT,
+#define _SC_LONG_BIT _SC_LONG_BIT
+ _SC_WORD_BIT,
+#define _SC_WORD_BIT _SC_WORD_BIT
+ _SC_MB_LEN_MAX,
+#define _SC_MB_LEN_MAX _SC_MB_LEN_MAX
+ _SC_NZERO,
+#define _SC_NZERO _SC_NZERO
+ _SC_SSIZE_MAX,
+#define _SC_SSIZE_MAX _SC_SSIZE_MAX
+ _SC_SCHAR_MAX,
+#define _SC_SCHAR_MAX _SC_SCHAR_MAX
+ _SC_SCHAR_MIN,
+#define _SC_SCHAR_MIN _SC_SCHAR_MIN
+ _SC_SHRT_MAX,
+#define _SC_SHRT_MAX _SC_SHRT_MAX
+ _SC_SHRT_MIN,
+#define _SC_SHRT_MIN _SC_SHRT_MIN
+ _SC_UCHAR_MAX,
+#define _SC_UCHAR_MAX _SC_UCHAR_MAX
+ _SC_UINT_MAX,
+#define _SC_UINT_MAX _SC_UINT_MAX
+ _SC_ULONG_MAX,
+#define _SC_ULONG_MAX _SC_ULONG_MAX
+ _SC_USHRT_MAX,
+#define _SC_USHRT_MAX _SC_USHRT_MAX
+
+ _SC_NL_ARGMAX,
+#define _SC_NL_ARGMAX _SC_NL_ARGMAX
+ _SC_NL_LANGMAX,
+#define _SC_NL_LANGMAX _SC_NL_LANGMAX
+ _SC_NL_MSGMAX,
+#define _SC_NL_MSGMAX _SC_NL_MSGMAX
+ _SC_NL_NMAX,
+#define _SC_NL_NMAX _SC_NL_NMAX
+ _SC_NL_SETMAX,
+#define _SC_NL_SETMAX _SC_NL_SETMAX
+ _SC_NL_TEXTMAX,
+#define _SC_NL_TEXTMAX _SC_NL_TEXTMAX
+
+ _SC_XBS5_ILP32_OFF32,
+#define _SC_XBS5_ILP32_OFF32 _SC_XBS5_ILP32_OFF32
+ _SC_XBS5_ILP32_OFFBIG,
+#define _SC_XBS5_ILP32_OFFBIG _SC_XBS5_ILP32_OFFBIG
+ _SC_XBS5_LP64_OFF64,
+#define _SC_XBS5_LP64_OFF64 _SC_XBS5_LP64_OFF64
+ _SC_XBS5_LPBIG_OFFBIG,
+#define _SC_XBS5_LPBIG_OFFBIG _SC_XBS5_LPBIG_OFFBIG
+
+ _SC_XOPEN_LEGACY,
+#define _SC_XOPEN_LEGACY _SC_XOPEN_LEGACY
+ _SC_XOPEN_REALTIME,
+#define _SC_XOPEN_REALTIME _SC_XOPEN_REALTIME
+ _SC_XOPEN_REALTIME_THREADS
+#define _SC_XOPEN_REALTIME_THREADS _SC_XOPEN_REALTIME_THREADS
+ };
+
+#if (defined __USE_POSIX2 || defined __USE_UNIX98 \
+ || defined __USE_FILE_OFFSET64 || defined __USE_LARGEFILE64 \
+ || defined __USE_LARGEFILE)
+/* Values for the NAME argument to `confstr'. */
+enum
+ {
+ _CS_PATH /* The default search path. */
+#define _CS_PATH _CS_PATH
+
+#if (defined __USE_FILE_OFFSET64 || defined __USE_LARGEFILE64 \
+ || defined __USE_LARGEFILE)
+ ,
+ _CS_LFS_CFLAGS = 1000,
+# define _CS_LFS_CFLAGS _CS_LFS_CFLAGS
+ _CS_LFS_LDFLAGS,
+# define _CS_LFS_LDFLAGS _CS_LFS_LDFLAGS
+ _CS_LFS_LIBS,
+# define _CS_LFS_LIBS _CS_LFS_LIBS
+ _CS_LFS_LINTFLAGS,
+# define _CS_LFS_LINTFLAGS _CS_LFS_LINTFLAGS
+ _CS_LFS64_CFLAGS,
+# define _CS_LFS64_CFLAGS _CS_LFS64_CFLAGS
+ _CS_LFS64_LDFLAGS,
+# define _CS_LFS64_LDFLAGS _CS_LFS64_LDFLAGS
+ _CS_LFS64_LIBS,
+# define _CS_LFS64_LIBS _CS_LFS64_LIBS
+ _CS_LFS64_LINTFLAGS
+# define _CS_LFS64_LINTFLAGS _CS_LFS64_LINTFLAGS
+#endif
+
+#ifdef __USE_UNIX98
+ ,
+ _CS_XBS5_ILP32_OFF32_CFLAGS = 1100,
+# define _CS_XBS5_ILP32_OFF32_CFLAGS _CS_XBS5_ILP32_OFF32_CFLAGS
+ _CS_XBS5_ILP32_OFF32_LDFLAGS,
+# define _CS_XBS5_ILP32_OFF32_LDFLAGS _CS_XBS5_ILP32_OFF32_LDFLAGS
+ _CS_XBS5_ILP32_OFF32_LIBS,
+# define _CS_XBS5_ILP32_OFF32_LIBS _CS_XBS5_ILP32_OFF32_LIBS
+ _CS_XBS5_ILP32_OFF32_LINTFLAGS,
+# define _CS_XBS5_ILP32_OFF32_LINTFLAGS _CS_XBS5_ILP32_OFF32_LINTFLAGS
+ _CS_XBS5_ILP32_OFFBIG_CFLAGS,
+# define _CS_XBS5_ILP32_OFFBIG_CFLAGS _CS_XBS5_ILP32_OFFBIG_CFLAGS
+ _CS_XBS5_ILP32_OFFBIG_LDFLAGS,
+# define _CS_XBS5_ILP32_OFFBIG_LDFLAGS _CS_XBS5_ILP32_OFFBIG_LDFLAGS
+ _CS_XBS5_ILP32_OFFBIG_LIBS,
+# define _CS_XBS5_ILP32_OFFBIG_LIBS _CS_XBS5_ILP32_OFFBIG_LIBS
+ _CS_XBS5_ILP32_OFFBIG_LINTFLAGS,
+# define _CS_XBS5_ILP32_OFFBIG_LINTFLAGS _CS_XBS5_ILP32_OFFBIG_LINTFLAGS
+ _CS_XBS5_LP64_OFF64_CFLAGS,
+# define _CS_XBS5_LP64_OFF64_CFLAGS _CS_XBS5_LP64_OFF64_CFLAGS
+ _CS_XBS5_LP64_OFF64_LDFLAGS,
+# define _CS_XBS5_LP64_OFF64_LDFLAGS _CS_XBS5_LP64_OFF64_LDFLAGS
+ _CS_XBS5_LP64_OFF64_LIBS,
+# define _CS_XBS5_LP64_OFF64_LIBS _CS_XBS5_LP64_OFF64_LIBS
+ _CS_XBS5_LP64_OFF64_LINTFLAGS,
+# define _CS_XBS5_LP64_OFF64_LINTFLAGS _CS_XBS5_LP64_OFF64_LINTFLAGS
+ _CS_XBS5_LPBIG_OFFBIG_CFLAGS,
+# define _CS_XBS5_LPBIG_OFFBIG_CFLAGS _CS_XBS5_LPBIG_OFFBIG_CFLAGS
+ _CS_XBS5_LPBIG_OFFBIG_LDFLAGS,
+# define _CS_XBS5_LPBIG_OFFBIG_LDFLAGS _CS_XBS5_LPBIG_OFFBIG_LDFLAGS
+ _CS_XBS5_LPBIG_OFFBIG_LIBS,
+# define _CS_XBS5_LPBIG_OFFBIG_LIBS _CS_XBS5_LPBIG_OFFBIG_LIBS
+ _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS
+# define _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS
+#endif
+ };
+#endif
diff --git a/libc/sysdeps/linux/i386/bits/posix_opt.h b/libc/sysdeps/linux/i386/bits/posix_opt.h
new file mode 100644
index 000000000..15683b77e
--- /dev/null
+++ b/libc/sysdeps/linux/i386/bits/posix_opt.h
@@ -0,0 +1,110 @@
+/* Define POSIX options for Linux.
+ Copyright (C) 1996, 1997, 1998, 1999 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _POSIX_OPT_H
+#define _POSIX_OPT_H 1
+
+/* Job control is supported. */
+#define _POSIX_JOB_CONTROL 1
+
+/* Processes have a saved set-user-ID and a saved set-group-ID. */
+#define _POSIX_SAVED_IDS 1
+
+/* Priority scheduling is supported. */
+#define _POSIX_PRIORITY_SCHEDULING 1
+
+/* Synchronizing file data is supported. */
+#define _POSIX_SYNCHRONIZED_IO 1
+
+/* The fsync function is present. */
+#define _POSIX_FSYNC 1
+
+/* Mapping of files to memory is supported. */
+#define _POSIX_MAPPED_FILES 1
+
+/* Locking of all memory is supported. */
+#define _POSIX_MEMLOCK 1
+
+/* Locking of ranges of memory is supported. */
+#define _POSIX_MEMLOCK_RANGE 1
+
+/* Setting of memory protections is supported. */
+#define _POSIX_MEMORY_PROTECTION 1
+
+/* Implementation supports `poll' function. */
+#define _POSIX_POLL 1
+
+/* Implementation supports `select' and `pselect' functions. */
+#define _POSIX_SELECT 1
+
+/* Only root can change owner of file. */
+#define _POSIX_CHOWN_RESTRICTED 1
+
+/* `c_cc' member of 'struct termios' structure can be disabled by
+ using the value _POSIX_VDISABLE. */
+#define _POSIX_VDISABLE '\0'
+
+/* Filenames are not silently truncated. */
+#define _POSIX_NO_TRUNC 1
+
+/* X/Open realtime support is available. */
+#define _XOPEN_REALTIME 1
+
+/* X/Open realtime thread support is available. */
+#define _XOPEN_REALTIME_THREADS 1
+
+/* XPG4.2 shared memory is supported. */
+#define _XOPEN_SHM 1
+
+/* Tell we have POSIX threads. */
+#define _POSIX_THREADS 1
+
+/* We have the reentrant functions described in POSIX. */
+#define _POSIX_REENTRANT_FUNCTIONS 1
+#define _POSIX_THREAD_SAFE_FUNCTIONS 1
+
+/* We provide priority scheduling for threads. */
+#define _POSIX_THREAD_PRIORITY_SCHEDULING 1
+
+/* We support user-defined stack sizes. */
+#define _POSIX_THREAD_ATTR_STACKSIZE 1
+
+/* We support user-defined stacks. */
+#define _POSIX_THREAD_ATTR_STACKADDR 1
+
+/* We support POSIX.1b semaphores, but only the non-shared form for now. */
+/*#define _POSIX_SEMAPHORES 1 XXX We are not quite there now. */
+
+/* Real-time signals are supported. */
+#define _POSIX_REALTIME_SIGNALS 1
+
+/* We support asynchronous I/O. */
+#define _POSIX_ASYNCHRONOUS_IO 1
+/* Alternative name for Unix98. */
+#define _LFS_ASYNCHRONOUS_IO 1
+
+/* The LFS support in asynchronous I/O is also available. */
+#define _LFS64_ASYNCHRONOUS_IO 1
+
+/* The rest of the LFS is also available. */
+#define _LFS_LARGEFILE 1
+#define _LFS64_LARGEFILE 1
+#define _LFS64_STDIO 1
+
+#endif /* posix_opt.h */