More cleanups. Fix things so tinylogin compiles.

Fix a bug in getdelim -- patch from David Whedon <dwhedon@gordian.com>.

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 */