This fixes <https://sourceware.org/bugzilla/show_bug.cgi?id=18781>
whereby, on 32-bit platforms, libc 2.22 would fail to pass O_LARGEFILE
to 'openat'.  This was caught by 'tests/sparse03.at' in the tar
test suite.

commit eb32b0d40308166c4d8f6330cc2958cb1e545075
Author: Andreas Schwab <schwab@suse.de>
Date:   Mon Aug 10 14:12:47 2015 +0200

    Readd O_LARGEFILE flag for openat64 (bug 18781)

--- a/sysdeps/unix/sysv/linux/openat.c
+++ b/sysdeps/unix/sysv/linux/openat.c
@@ -68,6 +68,11 @@ __OPENAT (int fd, const char *file, int oflag, ...)
       va_end (arg);
     }
 
+  /* We have to add the O_LARGEFILE flag for openat64.  */
+#ifdef MORE_OFLAGS
+  oflag |= MORE_OFLAGS;
+#endif
+
   return SYSCALL_CANCEL (openat, fd, file, oflag, mode);
 }
 libc_hidden_def (__OPENAT)
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<tr><td><span title='2020-05-22 01:29:39 +0200'>2020-05-22</span></td><td><a href='/guix/commit/gnu/packages/readline.scm?id=ce0be5675b702b2ff89aed1772ebb42af4150243'>packages: Introduce &lt;content-hash&gt; and use it in &lt;origin&gt;.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-02-15 22:02:57 +0100'>2020-02-15</span></td><td><a href='/guix/commit/gnu/packages/readline.scm?id=d317d3dfe32a7974163ac3155722afc18b05515d'>gnu: readline: Update to 8.0.4.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2019-12-05 17:59:01 +0100'>2019-12-05</span></td><td><a href='/guix/commit/gnu/packages/readline.scm?id=d7316c774386a79559d557a5cec7f98e345561c6'>gnu: readline: Update to 8.0.1.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2019-12-05 17:59:00 +0100'>2019-12-05</span></td><td><a href='/guix/commit/gnu/packages/readline.scm?id=f7511ff1109868d215f5668d8e07e539ef77bd7b'>gnu: readline: Add a version parameter to patch procedures.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2019-01-08 18:19:15 +0200'>2019-01-08</span></td><td><a href='/guix/commit/gnu/packages/readline.scm?id=2cb4f940f2a18d68b14b0bb7a8ddaf766d8024ab'>gnu: readline: Update to 8.0.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2018-07-21 02:13:45 +0200'>2018-07-21</span></td><td><a href='/guix/commit/gnu/packages/readline.scm?id=463ad503b1a0e107e2b6b8317745acc13f49ad2f'>gnu: readline: Update to 7.0.5.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>