Fix __fxstat which is called from fstat. Remove obsolete fstat64.

include/features.h

 /* Copyright (C) 1991,1992,1993,1995-2006,2007 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
@@ skipping 95 matching lines @@
 #undef  __USE_BSD
 #undef  __USE_SVID
 #undef  __USE_MISC
 #undef  __USE_ATFILE
 #undef  __USE_GNU
 #undef  __USE_REENTRANT
 #undef  __USE_FORTIFY_LEVEL
 #undef  __FAVOR_BSD
 #undef  __KERNEL_STRICT_NAMES
 
+/* Set _FILE_OFFSET_BITS to 64 for user programs and produce an error if it
+   set to other value. */
+#ifdef __native_client__
+# ifndef _LIBC
+#  ifndef _FILE_OFFSET_BITS
+#    define _FILE_OFFSET_BITS 64
+#  elif _FILE_OFFSET_BITS != 64
+#   error "native client requires _FILE_OFFSET_BITS == 64"
+#  endif
+# endif
+#endif
+
 /* Suppress kernel-name space pollution unless user expressedly asks
    for it.  */
 #ifndef _LOOSE_KERNEL_NAMES
 # define __KERNEL_STRICT_NAMES
 #endif
 
 /* Always use ISO C things.  */
 #define __USE_ANSI      1
 
 /* Convenience macros to test the versions of glibc and gcc.
@@ skipping 117 matching lines @@
 #   define __USE_XOPEN_EXTENDED 1
 #  endif
 # endif
 #endif
 
 #ifdef _LARGEFILE_SOURCE
 # define __USE_LARGEFILE        1
 #endif
 
 #ifdef _LARGEFILE64_SOURCE
-# define __USE_LARGEFILE64      1
+/* Native client applications shouldn't use functions with 64 suffix.
+   Unfortunately, we can't make glibc itself to live without them. */
+# if !defined __native_client__ || defined _LIBC
+#  define __USE_LARGEFILE64     1
+# endif
 #endif
 
 #if defined _FILE_OFFSET_BITS && _FILE_OFFSET_BITS == 64
 # define __USE_FILE_OFFSET64    1
 #endif
 
 #if defined _BSD_SOURCE || defined _SVID_SOURCE
 # define __USE_MISC     1
 #endif
 
@@ skipping 84 matching lines @@
 
 
 /* This is here only because every header file already includes this one.
    Get the definitions of all the appropriate `__stub_FUNCTION' symbols.
    <gnu/stubs.h> contains `#define __stub_FUNCTION' when FUNCTION is a stub
    that will always return failure (and set errno to ENOSYS).  */
 #include <gnu/stubs.h>
 
 
 #endif  /* features.h  */