diff --git a/Doc/library/os.rst b/Doc/library/os.rst
index cd8d45b..67034ea 100644
--- a/Doc/library/os.rst
+++ b/Doc/library/os.rst
@@ -606,6 +606,21 @@
 descriptor directly will bypass the file object methods, ignoring aspects such
 as internal buffering of data.
 
+.. data:: AT_SYMLINK_NOFOLLOW
+          AT_EACCESS
+          AT_FDCWD
+          AT_REMOVEDIR
+          AT_SYMLINK_FOLLOW
+          UTIME_NOW
+          UTIME_OMIT
+
+   These parameters are used as flags to the \*at family of functions.
+
+   Availability: Unix.
+
+   .. versionadded:: 3.3
+
+
 .. function:: close(fd)
 
    Close file descriptor *fd*.
@@ -654,6 +669,19 @@
    Availability: Unix, Windows.
 
 
+.. function:: faccessat(dirfd, path, mode, flags=0)
+
+   Like :func:`access` but if *path* is relative, it is taken as relative to *dirfd*.
+   *flags* is optional and can be constructed by ORing together zero or more
+   of these values: :data:`AT_SYMLINK_NOFOLLOW`, :data:`AT_EACCESS`.
+   If *path* is relative and *dirfd* is the special value :data:`AT_FDCWD`, then *path*
+   is interpreted relative to the current working directory.
+
+   Availability: Unix.
+
+   .. versionadded:: 3.3
+
+
 .. function:: fchmod(fd, mode)
 
    Change the mode of the file given by *fd* to the numeric *mode*.  See the docs
@@ -662,6 +690,18 @@
    Availability: Unix.
 
 
+.. function:: fchmodat(dirfd, path, mode, flags=0)
+
+   Like :func:`chmod` but if *path* is relative, it is taken as relative to *dirfd*.
+   *flags* is optional and may be 0 or :data:`AT_SYMLINK_NOFOLLOW`.
+   If *path* is relative and *dirfd* is the special value :data:`AT_FDCWD`, then *path*
+   is interpreted relative to the current working directory.
+
+   Availability: Unix.
+
+   .. versionadded:: 3.3
+
+
 .. function:: fchown(fd, uid, gid)
 
    Change the owner and group id of the file given by *fd* to the numeric *uid*
@@ -670,6 +710,18 @@
    Availability: Unix.
 
 
+.. function:: fchownat(dirfd, path, uid, gid, flags=0)
+
+   Like :func:`chown` but if *path* is relative, it is taken as relative to *dirfd*.
+   *flags* is optional and may be 0 or :data:`AT_SYMLINK_NOFOLLOW`.
+   If *path* is relative and *dirfd* is the special value :data:`AT_FDCWD`, then *path*
+   is interpreted relative to the current working directory.
+
+   Availability: Unix.
+
+   .. versionadded:: 3.3
+
+
 .. function:: fdatasync(fd)
 
    Force write of file with filedescriptor *fd* to disk. Does not force update of
@@ -705,6 +757,17 @@
 
    Availability: Unix, Windows.
 
+.. function:: fstatat(dirfd, path, flags=0)
+
+   Like :func:`stat` but if *path* is relative, it is taken as relative to *dirfd*.
+   *flags* is optional and may be 0 or :data:`AT_SYMLINK_NOFOLLOW`.
+   If *path* is relative and *dirfd* is the special value :data:`AT_FDCWD`, then *path*
+   is interpreted relative to the current working directory.
+
+   Availability: Unix.
+
+   .. versionadded:: 3.3
+
 
 .. function:: fstatvfs(fd)
 
@@ -734,6 +797,18 @@
    Availability: Unix.
 
 
+.. function:: futimesat(dirfd, path, (atime, mtime))
+              futimesat(dirfd, path, None)
+
+   Like :func:`utime` but if *path* is relative, it is taken as relative to *dirfd*.
+   If *path* is relative and *dirfd* is the special value :data:`AT_FDCWD`, then *path*
+   is interpreted relative to the current working directory.
+
+   Availability: Unix.
+
+   .. versionadded:: 3.3
+
+
 .. function:: isatty(fd)
 
    Return ``True`` if the file descriptor *fd* is open and connected to a
@@ -742,6 +817,20 @@
    Availability: Unix.
 
 
+.. function:: linkat(srcfd, srcpath, dstfd, dstpath, flags=0)
+
+   Like :func:`link` but if *srcpath* is relative, it is taken as relative to *srcfd*
+   and if *dstpath* is relative, it is taken as relative to *dstfd*.
+   *flags* is optional and may be 0 or :data:`AT_SYMLINK_FOLLOW`.
+   If *srcpath* is relative and *srcfd* is the special value :data:`AT_FDCWD`, then
+   *srcpath* is interpreted relative to the current working directory. This
+   also applies for *dstpath*.
+
+   Availability: Unix.
+
+   .. versionadded:: 3.3
+
+
 .. function:: lseek(fd, pos, how)
 
    Set the current position of file descriptor *fd* to position *pos*, modified
@@ -761,6 +850,39 @@
    respectively. Availability: Windows, Unix.
 
 
+.. function:: mkdirat(dirfd, path, mode=0o777)
+
+   Like :func:`mkdir` but if *path* is relative, it is taken as relative to *dirfd*.
+   If *path* is relative and *dirfd* is the special value :data:`AT_FDCWD`, then *path*
+   is interpreted relative to the current working directory.
+
+   Availability: Unix.
+
+   .. versionadded:: 3.3
+
+
+.. function:: mkfifoat(dirfd, path, mode=0o666)
+
+   Like :func:`mkfifo` but if *path* is relative, it is taken as relative to *dirfd*.
+   If *path* is relative and *dirfd* is the special value :data:`AT_FDCWD`, then *path*
+   is interpreted relative to the current working directory.
+
+   Availability: Unix.
+
+   .. versionadded:: 3.3
+
+
+.. function:: mknodat(dirfd, path, mode=0o600, device=0)
+
+   Like :func:`mknod` but if *path* is relative, it is taken as relative to *dirfd*.
+   If *path* is relative and *dirfd* is the special value :data:`AT_FDCWD`, then *path*
+   is interpreted relative to the current working directory.
+
+   Availability: Unix.
+
+   .. versionadded:: 3.3
+
+
 .. function:: open(file, flags[, mode])
 
    Open the file *file* and set various flags according to *flags* and possibly
@@ -783,6 +905,17 @@
       wrap a file descriptor in a file object, use :func:`fdopen`.
 
 
+.. function:: openat(dirfd, path, flags, mode=0o777)
+
+   Like :func:`open` but if *path* is relative, it is taken as relative to *dirfd*.
+   If *path* is relative and *dirfd* is the special value :data:`AT_FDCWD`, then *path*
+   is interpreted relative to the current working directory.
+
+   Availability: Unix.
+
+   .. versionadded:: 3.3
+
+
 .. function:: openpty()
 
    .. index:: module: pty
@@ -860,6 +993,41 @@
    .. versionadded:: 3.3
 
 
+.. function:: readlinkat(dirfd, path)
+
+   Like :func:`readlink` but if *path* is relative, it is taken as relative to *dirfd*.
+   If *path* is relative and *dirfd* is the special value :data:`AT_FDCWD`, then *path*
+   is interpreted relative to the current working directory.
+
+   Availability: Unix.
+
+   .. versionadded:: 3.3
+
+
+.. function:: renameat(olddirfd, oldpath, newdirfd, newpath)
+
+   Like :func:`rename` but if *oldpath* is relative, it is taken as relative to
+   *olddirfd* and if *newpath* is relative, it is taken as relative to *newdirfd*.
+   If *oldpath* is relative and *olddirfd* is the special value :data:`AT_FDCWD`, then
+   *oldpath* is interpreted relative to the current working directory. This
+   also applies for *newpath*.
+
+   Availability: Unix.
+
+   .. versionadded:: 3.3
+
+
+.. function:: symlinkat(src, dstfd, dst)
+
+   Like :func:`symlink` but if *dst* is relative, it is taken as relative to *dstfd*.
+   If *dst* is relative and *dstfd* is the special value :data:`AT_FDCWD`, then *dst*
+   is interpreted relative to the current working directory.
+
+   Availability: Unix.
+
+   .. versionadded:: 3.3
+
+
 .. function:: tcgetpgrp(fd)
 
    Return the process group associated with the terminal given by *fd* (an open
@@ -885,6 +1053,38 @@
    Availability: Unix.
 
 
+.. function:: unlinkat(dirfd, path, flags=0)
+
+   Like :func:`unlink` but if *path* is relative, it is taken as relative to *dirfd*.
+   *flags* is optional and may be 0 or :data:`AT_REMOVEDIR`. If :data:`AT_REMOVEDIR` is
+   specified, :func:`unlinkat` behaves like :func:`rmdir`.
+   If *path* is relative and *dirfd* is the special value :data:`AT_FDCWD`, then *path*
+   is interpreted relative to the current working directory.
+
+   Availability: Unix.
+
+   .. versionadded:: 3.3
+
+
+.. function:: utimensat(dirfd, path, (atime_sec, atime_nsec), (mtime_sec, mtime_nsec), flags)
+              utimensat(dirfd, path, None, None, flags)
+
+   Updates the timestamps of a file with nanosecond precision.
+   The second form sets *atime* and *mtime* to the current time.
+   If *atime_nsec* or *mtime_nsec* is specified as :data:`UTIME_NOW`, the corresponding
+   timestamp is updated to the current time.
+   If *atime_nsec* or *mtime_nsec* is specified as :data:`UTIME_OMIT`, the corresponding
+   timestamp is not updated.
+   If *path* is relative, it is taken as relative to *dirfd*.
+   *flags* is optional and may be 0 or :data:`AT_SYMLINK_NOFOLLOW`.
+   If *path* is relative and *dirfd* is the special value :data:`AT_FDCWD`, then *path*
+   is interpreted relative to the current working directory.
+
+   Availability: Unix.
+
+   .. versionadded:: 3.3
+
+
 .. function:: write(fd, str)
 
    Write the bytestring in *str* to file descriptor *fd*. Return the number of
diff --git a/Lib/test/test_posix.py b/Lib/test/test_posix.py
index 45b3afc..2fb8200 100644
--- a/Lib/test/test_posix.py
+++ b/Lib/test/test_posix.py
@@ -389,6 +389,198 @@
                 set([int(x) for x in groups.split()]),
                 set(posix.getgroups() + [posix.getegid()]))
 
+    # tests for the posix *at functions follow
+
+    @unittest.skipUnless(hasattr(posix, 'faccessat'), "test needs posix.faccessat()")
+    def test_faccessat(self):
+        f = posix.open(posix.getcwd(), posix.O_RDONLY)
+        try:
+            self.assertTrue(posix.faccessat(f, support.TESTFN, os.R_OK))
+        finally:
+            posix.close(f)
+
+    @unittest.skipUnless(hasattr(posix, 'fchmodat'), "test needs posix.fchmodat()")
+    def test_fchmodat(self):
+        os.chmod(support.TESTFN, stat.S_IRUSR)
+
+        f = posix.open(posix.getcwd(), posix.O_RDONLY)
+        try:
+            posix.fchmodat(f, support.TESTFN, stat.S_IRUSR | stat.S_IWUSR)
+
+            s = posix.stat(support.TESTFN)
+            self.assertEqual(s[0] & stat.S_IRWXU, stat.S_IRUSR | stat.S_IWUSR)
+        finally:
+            posix.close(f)
+
+    @unittest.skipUnless(hasattr(posix, 'fchownat'), "test needs posix.fchownat()")
+    def test_fchownat(self):
+        support.unlink(support.TESTFN)
+        open(support.TESTFN, 'w').close()
+
+        f = posix.open(posix.getcwd(), posix.O_RDONLY)
+        try:
+            posix.fchownat(f, support.TESTFN, os.getuid(), os.getgid())
+        finally:
+            posix.close(f)
+
+    @unittest.skipUnless(hasattr(posix, 'fstatat'), "test needs posix.fstatat()")
+    def test_fstatat(self):
+        support.unlink(support.TESTFN)
+        with open(support.TESTFN, 'w') as outfile:
+            outfile.write("testline\n")
+
+        f = posix.open(posix.getcwd(), posix.O_RDONLY)
+        try:
+            s1 = posix.stat(support.TESTFN)
+            s2 = posix.fstatat(f, support.TESTFN)
+            self.assertEqual(s1, s2)
+        finally:
+            posix.close(f)
+
+    @unittest.skipUnless(hasattr(posix, 'futimesat'), "test needs posix.futimesat()")
+    def test_futimesat(self):
+        f = posix.open(posix.getcwd(), posix.O_RDONLY)
+        try:
+            now = time.time()
+            posix.futimesat(f, support.TESTFN, None)
+            self.assertRaises(TypeError, posix.futimesat, f, support.TESTFN, (None, None))
+            self.assertRaises(TypeError, posix.futimesat, f, support.TESTFN, (now, None))
+            self.assertRaises(TypeError, posix.futimesat, f, support.TESTFN, (None, now))
+            posix.futimesat(f, support.TESTFN, (int(now), int(now)))
+            posix.futimesat(f, support.TESTFN, (now, now))
+        finally:
+            posix.close(f)
+
+    @unittest.skipUnless(hasattr(posix, 'linkat'), "test needs posix.linkat()")
+    def test_linkat(self):
+        f = posix.open(posix.getcwd(), posix.O_RDONLY)
+        try:
+            posix.linkat(f, support.TESTFN, f, support.TESTFN + 'link')
+            # should have same inodes
+            self.assertEqual(posix.stat(support.TESTFN)[1],
+                posix.stat(support.TESTFN + 'link')[1])
+        finally:
+            posix.close(f)
+            support.unlink(support.TESTFN + 'link')
+
+    @unittest.skipUnless(hasattr(posix, 'mkdirat'), "test needs posix.mkdirat()")
+    def test_mkdirat(self):
+        f = posix.open(posix.getcwd(), posix.O_RDONLY)
+        try:
+            posix.mkdirat(f, support.TESTFN + 'dir')
+            posix.stat(support.TESTFN + 'dir') # should not raise exception
+        finally:
+            posix.close(f)
+            support.rmtree(support.TESTFN + 'dir')
+
+    @unittest.skipUnless(hasattr(posix, 'mknodat') and hasattr(stat, 'S_IFIFO'),
+                         "don't have mknodat()/S_IFIFO")
+    def test_mknodat(self):
+        # Test using mknodat() to create a FIFO (the only use specified
+        # by POSIX).
+        support.unlink(support.TESTFN)
+        mode = stat.S_IFIFO | stat.S_IRUSR | stat.S_IWUSR
+        f = posix.open(posix.getcwd(), posix.O_RDONLY)
+        try:
+            posix.mknodat(f, support.TESTFN, mode, 0)
+        except OSError as e:
+            # Some old systems don't allow unprivileged users to use
+            # mknod(), or only support creating device nodes.
+            self.assertIn(e.errno, (errno.EPERM, errno.EINVAL))
+        else:
+            self.assertTrue(stat.S_ISFIFO(posix.stat(support.TESTFN).st_mode))
+        finally:
+            posix.close(f)
+
+    @unittest.skipUnless(hasattr(posix, 'openat'), "test needs posix.openat()")
+    def test_openat(self):
+        support.unlink(support.TESTFN)
+        with open(support.TESTFN, 'w') as outfile:
+            outfile.write("testline\n")
+        a = posix.open(posix.getcwd(), posix.O_RDONLY)
+        b = posix.openat(a, support.TESTFN, posix.O_RDONLY)
+        try:
+            res = posix.read(b, 9).decode(encoding="utf-8")
+            self.assertEqual("testline\n", res)
+        finally:
+            posix.close(a)
+            posix.close(b)
+
+    @unittest.skipUnless(hasattr(posix, 'readlinkat'), "test needs posix.readlinkat()")
+    def test_readlinkat(self):
+        os.symlink(support.TESTFN, support.TESTFN + 'link')
+        f = posix.open(posix.getcwd(), posix.O_RDONLY)
+        try:
+            self.assertEqual(posix.readlink(support.TESTFN + 'link'),
+                posix.readlinkat(f, support.TESTFN + 'link'))
+        finally:
+            support.unlink(support.TESTFN + 'link')
+            posix.close(f)
+
+    @unittest.skipUnless(hasattr(posix, 'renameat'), "test needs posix.renameat()")
+    def test_renameat(self):
+        support.unlink(support.TESTFN)
+        open(support.TESTFN + 'ren', 'w').close()
+        f = posix.open(posix.getcwd(), posix.O_RDONLY)
+        try:
+            posix.renameat(f, support.TESTFN + 'ren', f, support.TESTFN)
+        except:
+            posix.rename(support.TESTFN + 'ren', support.TESTFN)
+            raise
+        else:
+            posix.stat(support.TESTFN) # should not throw exception
+        finally:
+            posix.close(f)
+
+    @unittest.skipUnless(hasattr(posix, 'symlinkat'), "test needs posix.symlinkat()")
+    def test_symlinkat(self):
+        f = posix.open(posix.getcwd(), posix.O_RDONLY)
+        try:
+            posix.symlinkat(support.TESTFN, f, support.TESTFN + 'link')
+            self.assertEqual(posix.readlink(support.TESTFN + 'link'), support.TESTFN)
+        finally:
+            posix.close(f)
+            support.unlink(support.TESTFN + 'link')
+
+    @unittest.skipUnless(hasattr(posix, 'unlinkat'), "test needs posix.unlinkat()")
+    def test_unlinkat(self):
+        f = posix.open(posix.getcwd(), posix.O_RDONLY)
+        open(support.TESTFN + 'del', 'w').close()
+        posix.stat(support.TESTFN + 'del') # should not throw exception
+        try:
+            posix.unlinkat(f, support.TESTFN + 'del')
+        except:
+            support.unlink(support.TESTFN + 'del')
+            raise
+        else:
+            self.assertRaises(OSError, posix.stat, support.TESTFN + 'link')
+        finally:
+            posix.close(f)
+
+    @unittest.skipUnless(hasattr(posix, 'utimensat'), "test needs posix.utimensat()")
+    def test_utimensat(self):
+        f = posix.open(posix.getcwd(), posix.O_RDONLY)
+        try:
+            now = time.time()
+            posix.utimensat(f, support.TESTFN, None, None)
+            self.assertRaises(TypeError, posix.utimensat, f, support.TESTFN, (None, None), (None, None))
+            self.assertRaises(TypeError, posix.utimensat, f, support.TESTFN, (now, 0), None)
+            self.assertRaises(TypeError, posix.utimensat, f, support.TESTFN, None, (now, 0))
+            posix.utimensat(f, support.TESTFN, (int(now), int((now - int(now)) * 1e9)),
+                    (int(now), int((now - int(now)) * 1e9)))
+        finally:
+            posix.close(f)
+
+    @unittest.skipUnless(hasattr(posix, 'mkfifoat'), "don't have mkfifoat()")
+    def test_mkfifoat(self):
+        support.unlink(support.TESTFN)
+        f = posix.open(posix.getcwd(), posix.O_RDONLY)
+        try:
+            posix.mkfifoat(f, support.TESTFN, stat.S_IRUSR | stat.S_IWUSR)
+            self.assertTrue(stat.S_ISFIFO(posix.stat(support.TESTFN).st_mode))
+        finally:
+            posix.close(f)
+
 class PosixGroupsTester(unittest.TestCase):
 
     def setUp(self):
diff --git a/Misc/NEWS b/Misc/NEWS
index 443f15f..1630ab2 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -35,6 +35,9 @@
 Library
 -------
 
+- Issue #4761: Add the *at() family of functions (openat(), etc.) to the posix
+  module.  Patch by Ross Lagerwall.
+
 - Issue #7322: Trying to read from a socket's file-like object after a timeout
   occurred now raises an error instead of silently losing data.
 
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 3226b32..1281af7 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -8009,6 +8009,552 @@
 }
 #endif
 
+/* Posix *at family of functions:
+    faccessat, fchmodat, fchownat, fstatat, futimesat,
+    linkat, mkdirat, mknodat, openat, readlinkat, renameat, symlinkat,
+    unlinkat, utimensat, mkfifoat */
+
+#ifdef HAVE_FACCESSAT
+PyDoc_STRVAR(posix_faccessat__doc__,
+"faccessat(dirfd, path, mode, flags=0) -> True if granted, False otherwise\n\n\
+Like access() but if path is relative, it is taken as relative to dirfd.\n\
+flags is optional and can be constructed by ORing together zero or more\n\
+of these values: AT_SYMLINK_NOFOLLOW, AT_EACCESS.\n\
+If path is relative and dirfd is the special value AT_FDCWD, then path\n\
+is interpreted relative to the current working directory.");
+
+static PyObject *
+posix_faccessat(PyObject *self, PyObject *args)
+{
+    PyObject *opath;
+    char *path;
+    int mode;
+    int res;
+    int dirfd, flags = 0;
+    if (!PyArg_ParseTuple(args, "iO&i|i:faccessat",
+            &dirfd, PyUnicode_FSConverter, &opath, &mode, &flags))
+        return NULL;
+    path = PyBytes_AsString(opath);
+    Py_BEGIN_ALLOW_THREADS
+    res = faccessat(dirfd, path, mode, flags);
+    Py_END_ALLOW_THREADS
+    Py_DECREF(opath);
+    return PyBool_FromLong(res == 0);
+}
+#endif
+
+#ifdef HAVE_FCHMODAT
+PyDoc_STRVAR(posix_fchmodat__doc__,
+"fchmodat(dirfd, path, mode, flags=0)\n\n\
+Like chmod() but if path is relative, it is taken as relative to dirfd.\n\
+flags is optional and may be 0 or AT_SYMLINK_NOFOLLOW.\n\
+If path is relative and dirfd is the special value AT_FDCWD, then path\n\
+is interpreted relative to the current working directory.");
+
+static PyObject *
+posix_fchmodat(PyObject *self, PyObject *args)
+{
+    int dirfd, mode, res;
+    int flags = 0;
+    PyObject *opath;
+    char *path;
+
+    if (!PyArg_ParseTuple(args, "iO&i|i:fchmodat",
+            &dirfd, PyUnicode_FSConverter, &opath, &mode, &flags))
+        return NULL;
+
+    path = PyBytes_AsString(opath);
+
+    Py_BEGIN_ALLOW_THREADS
+    res = fchmodat(dirfd, path, mode, flags);
+    Py_END_ALLOW_THREADS
+    Py_DECREF(opath);
+    if (res < 0)
+        return posix_error();
+    Py_RETURN_NONE;
+}
+#endif /* HAVE_FCHMODAT */
+
+#ifdef HAVE_FCHOWNAT
+PyDoc_STRVAR(posix_fchownat__doc__,
+"fchownat(dirfd, path, uid, gid, flags=0)\n\n\
+Like chown() but if path is relative, it is taken as relative to dirfd.\n\
+flags is optional and may be 0 or AT_SYMLINK_NOFOLLOW.\n\
+If path is relative and dirfd is the special value AT_FDCWD, then path\n\
+is interpreted relative to the current working directory.");
+
+static PyObject *
+posix_fchownat(PyObject *self, PyObject *args)
+{
+    PyObject *opath;
+    int dirfd, res;
+    long uid, gid;
+    int flags = 0;
+    char *path;
+    
+    if (!PyArg_ParseTuple(args, "iO&ll|i:fchownat",
+            &dirfd, PyUnicode_FSConverter, &opath, &uid, &gid, &flags))
+        return NULL;
+
+    path = PyBytes_AsString(opath);
+
+    Py_BEGIN_ALLOW_THREADS
+    res = fchownat(dirfd, path, (uid_t) uid, (gid_t) gid, flags);
+    Py_END_ALLOW_THREADS
+    Py_DECREF(opath);
+    if (res < 0)
+        return posix_error();
+    Py_RETURN_NONE;
+}
+#endif /* HAVE_FCHOWNAT */
+
+#ifdef HAVE_FSTATAT
+PyDoc_STRVAR(posix_fstatat__doc__,
+"fstatat(dirfd, path, flags=0) -> stat result\n\n\
+Like stat() but if path is relative, it is taken as relative to dirfd.\n\
+flags is optional and may be 0 or AT_SYMLINK_NOFOLLOW.\n\
+If path is relative and dirfd is the special value AT_FDCWD, then path\n\
+is interpreted relative to the current working directory.");
+
+static PyObject *
+posix_fstatat(PyObject *self, PyObject *args)
+{
+    PyObject *opath;
+    char *path;
+    STRUCT_STAT st;
+    int dirfd, res, flags = 0;
+
+    if (!PyArg_ParseTuple(args, "iO&|i:fstatat",
+            &dirfd, PyUnicode_FSConverter, &opath, &flags))
+        return NULL;
+    path = PyBytes_AsString(opath);
+
+    Py_BEGIN_ALLOW_THREADS
+    res = fstatat(dirfd, path, &st, flags);
+    Py_END_ALLOW_THREADS
+    Py_DECREF(opath);
+    if (res != 0)
+        return posix_error();
+
+    return _pystat_fromstructstat(&st);
+}
+#endif
+
+#ifdef HAVE_FUTIMESAT
+PyDoc_STRVAR(posix_futimesat__doc__,
+"futimesat(dirfd, path, (atime, mtime))\n\
+futimesat(dirfd, path, None)\n\n\
+Like utime() but if path is relative, it is taken as relative to dirfd.\n\
+If path is relative and dirfd is the special value AT_FDCWD, then path\n\
+is interpreted relative to the current working directory.");
+
+static PyObject *
+posix_futimesat(PyObject *self, PyObject *args)
+{
+    PyObject *opath;
+    char *path;
+    int res, dirfd;
+    PyObject* arg;
+
+    struct timeval buf[2];
+
+    if (!PyArg_ParseTuple(args, "iO&O:futimesat",
+            &dirfd, PyUnicode_FSConverter, &opath, &arg))
+        return NULL;
+    path = PyBytes_AsString(opath);
+    if (arg == Py_None) {
+        /* optional time values not given */
+        Py_BEGIN_ALLOW_THREADS
+        res = futimesat(dirfd, path, NULL);
+        Py_END_ALLOW_THREADS
+    }
+    else if (!PyTuple_Check(arg) || PyTuple_Size(arg) != 2) {
+        PyErr_SetString(PyExc_TypeError,
+                "futimesat() arg 3 must be a tuple (atime, mtime)");
+        Py_DECREF(opath);
+        return NULL;
+    }
+    else {
+        if (extract_time(PyTuple_GET_ITEM(arg, 0),
+				&(buf[0].tv_sec), &(buf[0].tv_usec)) == -1) {
+            Py_DECREF(opath);
+            return NULL;
+        }
+        if (extract_time(PyTuple_GET_ITEM(arg, 1),
+				&(buf[1].tv_sec), &(buf[1].tv_usec)) == -1) {
+            Py_DECREF(opath);
+            return NULL;
+        }
+        Py_BEGIN_ALLOW_THREADS
+        res = futimesat(dirfd, path, buf);
+        Py_END_ALLOW_THREADS
+    }
+    Py_DECREF(opath);
+    if (res < 0) {
+        return posix_error();
+    }
+    Py_RETURN_NONE;
+}
+#endif
+
+#ifdef HAVE_LINKAT
+PyDoc_STRVAR(posix_linkat__doc__,
+"linkat(srcfd, srcpath, dstfd, dstpath, flags=0)\n\n\
+Like link() but if srcpath is relative, it is taken as relative to srcfd\n\
+and if dstpath is relative, it is taken as relative to dstfd.\n\
+flags is optional and may be 0 or AT_SYMLINK_FOLLOW.\n\
+If srcpath is relative and srcfd is the special value AT_FDCWD, then\n\
+srcpath is interpreted relative to the current working directory. This\n\
+also applies for dstpath.");
+
+static PyObject *
+posix_linkat(PyObject *self, PyObject *args)
+{
+    PyObject *osrc, *odst;
+    char *src, *dst;
+    int res, srcfd, dstfd;
+    int flags = 0;
+
+    if (!PyArg_ParseTuple(args, "iO&iO&|i:linkat",
+            &srcfd, PyUnicode_FSConverter, &osrc, &dstfd, PyUnicode_FSConverter, &odst, &flags))
+        return NULL;
+    src = PyBytes_AsString(osrc);
+    dst = PyBytes_AsString(odst);
+    Py_BEGIN_ALLOW_THREADS
+    res = linkat(srcfd, src, dstfd, dst, flags);
+    Py_END_ALLOW_THREADS
+    Py_DECREF(osrc);
+    Py_DECREF(odst);
+    if (res < 0)
+        return posix_error();
+    Py_RETURN_NONE;
+}
+#endif /* HAVE_LINKAT */
+
+#ifdef HAVE_MKDIRAT
+PyDoc_STRVAR(posix_mkdirat__doc__,
+"mkdirat(dirfd, path, mode=0o777)\n\n\
+Like mkdir() but if path is relative, it is taken as relative to dirfd.\n\
+If path is relative and dirfd is the special value AT_FDCWD, then path\n\
+is interpreted relative to the current working directory.");
+
+static PyObject *
+posix_mkdirat(PyObject *self, PyObject *args)
+{
+    int res, dirfd;
+    PyObject *opath;
+    char *path;
+    int mode = 0777;
+
+    if (!PyArg_ParseTuple(args, "iO&|i:mkdirat",
+            &dirfd, PyUnicode_FSConverter, &opath, &mode))
+        return NULL;
+    path = PyBytes_AsString(opath);
+    Py_BEGIN_ALLOW_THREADS
+    res = mkdirat(dirfd, path, mode);
+    Py_END_ALLOW_THREADS
+    Py_DECREF(opath);
+    if (res < 0)
+        return posix_error();
+    Py_RETURN_NONE;
+}
+#endif
+
+#if defined(HAVE_MKNODAT) && defined(HAVE_MAKEDEV)
+PyDoc_STRVAR(posix_mknodat__doc__,
+"mknodat(dirfd, path, mode=0o600, device=0)\n\n\
+Like mknod() but if path is relative, it is taken as relative to dirfd.\n\
+If path is relative and dirfd is the special value AT_FDCWD, then path\n\
+is interpreted relative to the current working directory.");
+
+static PyObject *
+posix_mknodat(PyObject *self, PyObject *args)
+{
+    PyObject *opath;
+    char *filename;
+    int mode = 0600;
+    int device = 0;
+    int res, dirfd;
+    if (!PyArg_ParseTuple(args, "iO&|ii:mknodat", &dirfd,
+            PyUnicode_FSConverter, &opath, &mode, &device))
+        return NULL;
+    filename = PyBytes_AS_STRING(opath);
+    Py_BEGIN_ALLOW_THREADS
+    res = mknodat(dirfd, filename, mode, device);
+    Py_END_ALLOW_THREADS
+    Py_DECREF(opath);
+    if (res < 0)
+        return posix_error();
+    Py_RETURN_NONE;
+}
+#endif
+
+#ifdef HAVE_OPENAT
+PyDoc_STRVAR(posix_openat__doc__,
+"openat(dirfd, path, flag, mode=0o777) -> fd\n\n\
+Like open() but if path is relative, it is taken as relative to dirfd.\n\
+If path is relative and dirfd is the special value AT_FDCWD, then path\n\
+is interpreted relative to the current working directory.");
+
+static PyObject *
+posix_openat(PyObject *self, PyObject *args)
+{
+    PyObject *ofile;
+    char *file;
+    int flag, dirfd, fd;
+    int mode = 0777;
+
+    if (!PyArg_ParseTuple(args, "iO&i|i:openat",
+            &dirfd, PyUnicode_FSConverter, &ofile,
+            &flag, &mode))
+        return NULL;
+    file = PyBytes_AsString(ofile);
+    Py_BEGIN_ALLOW_THREADS
+    fd = openat(dirfd, file, flag, mode);
+    Py_END_ALLOW_THREADS
+    Py_DECREF(ofile);
+    if (fd < 0)
+        return posix_error();
+    return PyLong_FromLong((long)fd);
+}
+#endif
+
+#ifdef HAVE_READLINKAT
+PyDoc_STRVAR(posix_readlinkat__doc__,
+"readlinkat(dirfd, path) -> path\n\n\
+Like readlink() but if path is relative, it is taken as relative to dirfd.\n\
+If path is relative and dirfd is the special value AT_FDCWD, then path\n\
+is interpreted relative to the current working directory.");
+
+static PyObject *
+posix_readlinkat(PyObject *self, PyObject *args)
+{
+    PyObject *v, *opath;
+    char buf[MAXPATHLEN];
+    char *path;
+    int n, dirfd;
+    int arg_is_unicode = 0;
+
+    if (!PyArg_ParseTuple(args, "iO&:readlinkat",
+            &dirfd, PyUnicode_FSConverter, &opath))
+        return NULL;
+    path = PyBytes_AsString(opath);
+    v = PySequence_GetItem(args, 1);
+    if (v == NULL) {
+        Py_DECREF(opath);
+        return NULL;
+    }
+
+    if (PyUnicode_Check(v)) {
+        arg_is_unicode = 1;
+    }
+    Py_DECREF(v);
+
+    Py_BEGIN_ALLOW_THREADS
+    n = readlinkat(dirfd, path, buf, (int) sizeof buf);
+    Py_END_ALLOW_THREADS
+    Py_DECREF(opath);
+    if (n < 0)
+        return posix_error();
+
+    if (arg_is_unicode)
+        return PyUnicode_DecodeFSDefaultAndSize(buf, n);
+    else
+        return PyBytes_FromStringAndSize(buf, n);
+}
+#endif /* HAVE_READLINKAT */
+
+#ifdef HAVE_RENAMEAT
+PyDoc_STRVAR(posix_renameat__doc__,
+"renameat(olddirfd, oldpath, newdirfd, newpath)\n\n\
+Like rename() but if oldpath is relative, it is taken as relative to\n\
+olddirfd and if newpath is relative, it is taken as relative to newdirfd.\n\
+If oldpath is relative and olddirfd is the special value AT_FDCWD, then\n\
+oldpath is interpreted relative to the current working directory. This\n\
+also applies for newpath.");
+
+static PyObject *
+posix_renameat(PyObject *self, PyObject *args)
+{
+    int res;
+    PyObject *opathold, *opathnew;
+    char *opath, *npath;
+    int oldfd, newfd;
+
+    if (!PyArg_ParseTuple(args, "iO&iO&:renameat",
+            &oldfd, PyUnicode_FSConverter, &opathold, &newfd, PyUnicode_FSConverter, &opathnew))
+        return NULL;
+    opath = PyBytes_AsString(opathold);
+    npath = PyBytes_AsString(opathnew);
+    Py_BEGIN_ALLOW_THREADS
+    res = renameat(oldfd, opath, newfd, npath);
+    Py_END_ALLOW_THREADS
+    Py_DECREF(opathold);
+    Py_DECREF(opathnew);
+    if (res < 0)
+        return posix_error();
+    Py_RETURN_NONE;
+}
+#endif
+
+#if HAVE_SYMLINKAT
+PyDoc_STRVAR(posix_symlinkat__doc__,
+"symlinkat(src, dstfd, dst)\n\n\
+Like symlink() but if dst is relative, it is taken as relative to dstfd.\n\
+If dst is relative and dstfd is the special value AT_FDCWD, then dst\n\
+is interpreted relative to the current working directory.");
+
+static PyObject *
+posix_symlinkat(PyObject *self, PyObject *args)
+{
+    int res, dstfd;
+    PyObject *osrc, *odst;
+    char *src, *dst;
+
+    if (!PyArg_ParseTuple(args, "O&iO&:symlinkat",
+            PyUnicode_FSConverter, &osrc, &dstfd, PyUnicode_FSConverter, &odst))
+        return NULL;
+    src = PyBytes_AsString(osrc);
+    dst = PyBytes_AsString(odst);
+    Py_BEGIN_ALLOW_THREADS
+    res = symlinkat(src, dstfd, dst);
+    Py_END_ALLOW_THREADS
+    Py_DECREF(osrc);
+    Py_DECREF(odst);
+    if (res < 0)
+        return posix_error();
+    Py_RETURN_NONE;
+}
+#endif /* HAVE_SYMLINKAT */
+
+#ifdef HAVE_UNLINKAT
+PyDoc_STRVAR(posix_unlinkat__doc__,
+"unlinkat(dirfd, path, flags=0)\n\n\
+Like unlink() but if path is relative, it is taken as relative to dirfd.\n\
+flags is optional and may be 0 or AT_REMOVEDIR. If AT_REMOVEDIR is\n\
+specified, unlinkat() behaves like rmdir().\n\
+If path is relative and dirfd is the special value AT_FDCWD, then path\n\
+is interpreted relative to the current working directory.");
+
+static PyObject *
+posix_unlinkat(PyObject *self, PyObject *args)
+{
+    int dirfd, res, flags = 0;
+    PyObject *opath;
+    char *path;
+
+    if (!PyArg_ParseTuple(args, "iO&|i:unlinkat",
+            &dirfd, PyUnicode_FSConverter, &opath, &flags))
+        return NULL;
+    path = PyBytes_AsString(opath);
+    Py_BEGIN_ALLOW_THREADS
+    res = unlinkat(dirfd, path, flags);
+    Py_END_ALLOW_THREADS
+    Py_DECREF(opath);
+    if (res < 0)
+        return posix_error();
+    Py_RETURN_NONE;
+}
+#endif
+
+#ifdef HAVE_UTIMENSAT
+PyDoc_STRVAR(posix_utimensat__doc__,
+"utimensat(dirfd, path, (atime_sec, atime_nsec),\n\
+    (mtime_sec, mtime_nsec), flags)\n\
+utimensat(dirfd, path, None, None, flags)\n\n\
+Updates the timestamps of a file with nanosecond precision. If path is\n\
+relative, it is taken as relative to dirfd.\n\
+The second form sets atime and mtime to the current time.\n\
+flags is optional and may be 0 or AT_SYMLINK_NOFOLLOW.\n\
+If path is relative and dirfd is the special value AT_FDCWD, then path\n\
+is interpreted relative to the current working directory.\n\
+If *_nsec is specified as UTIME_NOW, the timestamp is updated to the\n\
+current time.\n\
+If *_nsec is specified as UTIME_OMIT, the timestamp is not updated.");
+
+static PyObject *
+posix_utimensat(PyObject *self, PyObject *args)
+{
+    PyObject *opath;
+    char *path;
+    int res, dirfd, flags = 0;
+    PyObject *atime, *mtime;
+
+    struct timespec buf[2];
+
+    if (!PyArg_ParseTuple(args, "iO&OO|i:utimensat",
+            &dirfd, PyUnicode_FSConverter, &opath, &atime, &mtime, &flags))
+        return NULL;
+    path = PyBytes_AsString(opath);
+    if (atime == Py_None && mtime == Py_None) {
+        /* optional time values not given */
+        Py_BEGIN_ALLOW_THREADS
+        res = utimensat(dirfd, path, NULL, flags);
+        Py_END_ALLOW_THREADS
+    }
+    else if (!PyTuple_Check(atime) || PyTuple_Size(atime) != 2) {
+        PyErr_SetString(PyExc_TypeError,
+            "utimensat() arg 3 must be a tuple (atime_sec, atime_nsec)");
+        Py_DECREF(opath);
+        return NULL;
+    }
+    else if (!PyTuple_Check(mtime) || PyTuple_Size(mtime) != 2) {
+        PyErr_SetString(PyExc_TypeError,
+            "utimensat() arg 4 must be a tuple (mtime_sec, mtime_nsec)");
+        Py_DECREF(opath);
+        return NULL;
+    }
+    else {
+        if (!PyArg_ParseTuple(atime, "ll:utimensat",
+                &(buf[0].tv_sec), &(buf[0].tv_nsec))) {
+            Py_DECREF(opath);
+            return NULL;
+        }
+        if (!PyArg_ParseTuple(mtime, "ll:utimensat",
+                &(buf[1].tv_sec), &(buf[1].tv_nsec))) {
+            Py_DECREF(opath);
+            return NULL;
+        }
+        Py_BEGIN_ALLOW_THREADS
+        res = utimensat(dirfd, path, buf, flags);
+        Py_END_ALLOW_THREADS
+    }
+    Py_DECREF(opath);
+    if (res < 0) {
+        return posix_error();
+    }
+    Py_RETURN_NONE;
+}
+#endif
+
+#ifdef HAVE_MKFIFOAT
+PyDoc_STRVAR(posix_mkfifoat__doc__,
+"mkfifoat(dirfd, path, mode=0o666)\n\n\
+Like mkfifo() but if path is relative, it is taken as relative to dirfd.\n\
+If path is relative and dirfd is the special value AT_FDCWD, then path\n\
+is interpreted relative to the current working directory.");
+
+static PyObject *
+posix_mkfifoat(PyObject *self, PyObject *args)
+{
+    PyObject *opath;
+    char *filename;
+    int mode = 0666;
+    int res, dirfd;
+    if (!PyArg_ParseTuple(args, "iO&|i:mkfifoat",
+            &dirfd, PyUnicode_FSConverter, &opath, &mode))
+        return NULL;
+    filename = PyBytes_AS_STRING(opath);
+    Py_BEGIN_ALLOW_THREADS
+    res = mkfifoat(dirfd, filename, mode);
+    Py_END_ALLOW_THREADS
+    Py_DECREF(opath);
+    if (res < 0)
+        return posix_error();
+    Py_RETURN_NONE;
+}
+#endif
+
 static PyMethodDef posix_methods[] = {
     {"access",          posix_access, METH_VARARGS, posix_access__doc__},
 #ifdef HAVE_TTYNAME
@@ -8335,6 +8881,52 @@
     {"getresgid",       posix_getresgid, METH_NOARGS, posix_getresgid__doc__},
 #endif
 
+/* posix *at family of functions */
+#ifdef HAVE_FACCESSAT
+    {"faccessat",       posix_faccessat, METH_VARARGS, posix_faccessat__doc__},
+#endif
+#ifdef HAVE_FCHMODAT
+    {"fchmodat",        posix_fchmodat, METH_VARARGS, posix_fchmodat__doc__},
+#endif /* HAVE_FCHMODAT */
+#ifdef HAVE_FCHOWNAT
+    {"fchownat",        posix_fchownat, METH_VARARGS, posix_fchownat__doc__},
+#endif /* HAVE_FCHOWNAT */
+#ifdef HAVE_FSTATAT
+    {"fstatat",         posix_fstatat, METH_VARARGS, posix_fstatat__doc__},
+#endif
+#ifdef HAVE_FUTIMESAT
+    {"futimesat",       posix_futimesat, METH_VARARGS, posix_futimesat__doc__},
+#endif
+#ifdef HAVE_LINKAT
+    {"linkat",          posix_linkat, METH_VARARGS, posix_linkat__doc__},
+#endif /* HAVE_LINKAT */
+#ifdef HAVE_MKDIRAT
+    {"mkdirat",         posix_mkdirat, METH_VARARGS, posix_mkdirat__doc__},
+#endif
+#if defined(HAVE_MKNODAT) && defined(HAVE_MAKEDEV)
+    {"mknodat",         posix_mknodat, METH_VARARGS, posix_mknodat__doc__},
+#endif
+#ifdef HAVE_OPENAT
+    {"openat",      posix_openat, METH_VARARGS, posix_openat__doc__},
+#endif
+#ifdef HAVE_READLINKAT
+    {"readlinkat",      posix_readlinkat, METH_VARARGS, posix_readlinkat__doc__},
+#endif /* HAVE_READLINKAT */
+#ifdef HAVE_RENAMEAT
+    {"renameat",        posix_renameat, METH_VARARGS, posix_renameat__doc__},
+#endif
+#if HAVE_SYMLINKAT
+    {"symlinkat",       posix_symlinkat, METH_VARARGS, posix_symlinkat__doc__},
+#endif /* HAVE_SYMLINKAT */
+#ifdef HAVE_UNLINKAT
+    {"unlinkat",        posix_unlinkat, METH_VARARGS, posix_unlinkat__doc__},
+#endif
+#ifdef HAVE_UTIMENSAT
+    {"utimensat",       posix_utimensat, METH_VARARGS, posix_utimensat__doc__},
+#endif
+#ifdef HAVE_MKFIFOAT
+    {"mkfifoat",        posix_mkfifoat, METH_VARARGS, posix_mkfifoat__doc__},
+#endif
     {NULL,              NULL}            /* Sentinel */
 };
 
@@ -8520,6 +9112,28 @@
 #ifdef PRIO_USER
     if (ins(d, "PRIO_USER", (long)PRIO_USER)) return -1;
 #endif
+/* posix - constants for *at functions */
+#ifdef AT_SYMLINK_NOFOLLOW
+        if (ins(d, "AT_SYMLINK_NOFOLLOW", (long)AT_SYMLINK_NOFOLLOW)) return -1;
+#endif
+#ifdef AT_EACCESS
+        if (ins(d, "AT_EACCESS", (long)AT_EACCESS)) return -1;
+#endif
+#ifdef AT_FDCWD
+        if (ins(d, "AT_FDCWD", (long)AT_FDCWD)) return -1;
+#endif
+#ifdef AT_REMOVEDIR
+        if (ins(d, "AT_REMOVEDIR", (long)AT_REMOVEDIR)) return -1;
+#endif
+#ifdef AT_SYMLINK_FOLLOW
+        if (ins(d, "AT_SYMLINK_FOLLOW", (long)AT_SYMLINK_FOLLOW)) return -1;
+#endif
+#ifdef UTIME_NOW
+        if (ins(d, "UTIME_NOW", (long)UTIME_NOW)) return -1;
+#endif
+#ifdef UTIME_OMIT
+        if (ins(d, "UTIME_OMIT", (long)UTIME_OMIT)) return -1;
+#endif
 
 
 /* MS Windows */
diff --git a/configure b/configure
index cbc5293..6bbda01 100755
--- a/configure
+++ b/configure
@@ -1,14 +1,14 @@
 #! /bin/sh
-# From configure.in Revision: 88580 .
+# From configure.in Revision: 88608 .
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.68 for python 3.3.
+# Generated by GNU Autoconf 2.65 for python 3.3.
 #
 # Report bugs to <http://bugs.python.org/>.
 #
 #
 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
-# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software
-# Foundation, Inc.
+# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
+# Inc.
 #
 #
 # This configure script is free software; the Free Software Foundation
@@ -92,7 +92,6 @@
 IFS=" ""	$as_nl"
 
 # Find who we are.  Look in the path if we contain no directory separator.
-as_myself=
 case $0 in #((
   *[\\/]* ) as_myself=$0 ;;
   *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -218,18 +217,11 @@
   # We cannot yet assume a decent shell, so we have to provide a
 	# neutralization value for shells without unset; and this also
 	# works around shells that cannot unset nonexistent variables.
-	# Preserve -v and -x to the replacement shell.
 	BASH_ENV=/dev/null
 	ENV=/dev/null
 	(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
 	export CONFIG_SHELL
-	case $- in # ((((
-	  *v*x* | *x*v* ) as_opts=-vx ;;
-	  *v* ) as_opts=-v ;;
-	  *x* ) as_opts=-x ;;
-	  * ) as_opts= ;;
-	esac
-	exec "$CONFIG_SHELL" $as_opts "$as_myself" ${1+"$@"}
+	exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
 fi
 
     if test x$as_have_required = xno; then :
@@ -328,7 +320,7 @@
       test -d "$as_dir" && break
     done
     test -z "$as_dirs" || eval "mkdir $as_dirs"
-  } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
+  } || test -d "$as_dir" || as_fn_error "cannot create directory $as_dir"
 
 
 } # as_fn_mkdir_p
@@ -368,19 +360,19 @@
 fi # as_fn_arith
 
 
-# as_fn_error STATUS ERROR [LINENO LOG_FD]
-# ----------------------------------------
+# as_fn_error ERROR [LINENO LOG_FD]
+# ---------------------------------
 # Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
 # provided, also output the error to LOG_FD, referencing LINENO. Then exit the
-# script with STATUS, using 1 if that was 0.
+# script with status $?, using 1 if that was 0.
 as_fn_error ()
 {
-  as_status=$1; test $as_status -eq 0 && as_status=1
-  if test "$4"; then
-    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+  as_status=$?; test $as_status -eq 0 && as_status=1
+  if test "$3"; then
+    as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3
   fi
-  $as_echo "$as_me: error: $2" >&2
+  $as_echo "$as_me: error: $1" >&2
   as_fn_exit $as_status
 } # as_fn_error
 
@@ -542,7 +534,7 @@
 exec 6>&1
 
 # Name of the host.
-# hostname on some systems (SVR3.2, old GNU/Linux) returns a bogus exit status,
+# hostname on some systems (SVR3.2, Linux) returns a bogus exit status,
 # so uname gets run too.
 ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`
 
@@ -837,9 +829,8 @@
   fi
 
   case $ac_option in
-  *=?*) ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
-  *=)   ac_optarg= ;;
-  *)    ac_optarg=yes ;;
+  *=*)	ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
+  *)	ac_optarg=yes ;;
   esac
 
   # Accept the important Cygnus configure options, so we can diagnose typos.
@@ -884,7 +875,7 @@
     ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid feature name: $ac_useropt"
+      as_fn_error "invalid feature name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -910,7 +901,7 @@
     ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid feature name: $ac_useropt"
+      as_fn_error "invalid feature name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1114,7 +1105,7 @@
     ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid package name: $ac_useropt"
+      as_fn_error "invalid package name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1130,7 +1121,7 @@
     ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid package name: $ac_useropt"
+      as_fn_error "invalid package name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1160,8 +1151,8 @@
   | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
     x_libraries=$ac_optarg ;;
 
-  -*) as_fn_error $? "unrecognized option: \`$ac_option'
-Try \`$0 --help' for more information"
+  -*) as_fn_error "unrecognized option: \`$ac_option'
+Try \`$0 --help' for more information."
     ;;
 
   *=*)
@@ -1169,7 +1160,7 @@
     # Reject names that are not valid shell variable names.
     case $ac_envvar in #(
       '' | [0-9]* | *[!_$as_cr_alnum]* )
-      as_fn_error $? "invalid variable name: \`$ac_envvar'" ;;
+      as_fn_error "invalid variable name: \`$ac_envvar'" ;;
     esac
     eval $ac_envvar=\$ac_optarg
     export $ac_envvar ;;
@@ -1179,7 +1170,7 @@
     $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2
     expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
       $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2
-    : "${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}"
+    : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}
     ;;
 
   esac
@@ -1187,13 +1178,13 @@
 
 if test -n "$ac_prev"; then
   ac_option=--`echo $ac_prev | sed 's/_/-/g'`
-  as_fn_error $? "missing argument to $ac_option"
+  as_fn_error "missing argument to $ac_option"
 fi
 
 if test -n "$ac_unrecognized_opts"; then
   case $enable_option_checking in
     no) ;;
-    fatal) as_fn_error $? "unrecognized options: $ac_unrecognized_opts" ;;
+    fatal) as_fn_error "unrecognized options: $ac_unrecognized_opts" ;;
     *)     $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
   esac
 fi
@@ -1216,7 +1207,7 @@
     [\\/$]* | ?:[\\/]* )  continue;;
     NONE | '' ) case $ac_var in *prefix ) continue;; esac;;
   esac
-  as_fn_error $? "expected an absolute directory name for --$ac_var: $ac_val"
+  as_fn_error "expected an absolute directory name for --$ac_var: $ac_val"
 done
 
 # There might be people who depend on the old broken behavior: `$host'
@@ -1230,8 +1221,8 @@
 if test "x$host_alias" != x; then
   if test "x$build_alias" = x; then
     cross_compiling=maybe
-    $as_echo "$as_me: WARNING: if you wanted to set the --build type, don't use --host.
-    If a cross compiler is detected then cross compile mode will be used" >&2
+    $as_echo "$as_me: WARNING: If you wanted to set the --build type, don't use --host.
+    If a cross compiler is detected then cross compile mode will be used." >&2
   elif test "x$build_alias" != "x$host_alias"; then
     cross_compiling=yes
   fi
@@ -1246,9 +1237,9 @@
 ac_pwd=`pwd` && test -n "$ac_pwd" &&
 ac_ls_di=`ls -di .` &&
 ac_pwd_ls_di=`cd "$ac_pwd" && ls -di .` ||
-  as_fn_error $? "working directory cannot be determined"
+  as_fn_error "working directory cannot be determined"
 test "X$ac_ls_di" = "X$ac_pwd_ls_di" ||
-  as_fn_error $? "pwd does not report name of working directory"
+  as_fn_error "pwd does not report name of working directory"
 
 
 # Find the source files, if location was not specified.
@@ -1287,11 +1278,11 @@
 fi
 if test ! -r "$srcdir/$ac_unique_file"; then
   test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .."
-  as_fn_error $? "cannot find sources ($ac_unique_file) in $srcdir"
+  as_fn_error "cannot find sources ($ac_unique_file) in $srcdir"
 fi
 ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work"
 ac_abs_confdir=`(
-	cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error $? "$ac_msg"
+	cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error "$ac_msg"
 	pwd)`
 # When building in place, set srcdir=.
 if test "$ac_abs_confdir" = "$ac_pwd"; then
@@ -1331,7 +1322,7 @@
       --help=short        display options specific to this package
       --help=recursive    display the short help of all the included packages
   -V, --version           display version information and exit
-  -q, --quiet, --silent   do not print \`checking ...' messages
+  -q, --quiet, --silent   do not print \`checking...' messages
       --cache-file=FILE   cache test results in FILE [disabled]
   -C, --config-cache      alias for \`--cache-file=config.cache'
   -n, --no-create         do not create output files
@@ -1517,9 +1508,9 @@
 if $ac_init_version; then
   cat <<\_ACEOF
 python configure 3.3
-generated by GNU Autoconf 2.68
+generated by GNU Autoconf 2.65
 
-Copyright (C) 2010 Free Software Foundation, Inc.
+Copyright (C) 2009 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
 _ACEOF
@@ -1563,7 +1554,7 @@
 
 	ac_retval=1
 fi
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_compile
@@ -1589,7 +1580,7 @@
     mv -f conftest.er1 conftest.err
   fi
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } > conftest.i && {
+  test $ac_status = 0; } >/dev/null && {
 	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
 	 test ! -s conftest.err
        }; then :
@@ -1600,7 +1591,7 @@
 
     ac_retval=1
 fi
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_cpp
@@ -1613,10 +1604,10 @@
 ac_fn_c_check_header_mongrel ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  if eval \${$3+:} false; then :
+  if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
+if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
   $as_echo_n "(cached) " >&6
 fi
 eval ac_res=\$$3
@@ -1652,7 +1643,7 @@
 else
   ac_header_preproc=no
 fi
-rm -f conftest.err conftest.i conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
 $as_echo "$ac_header_preproc" >&6; }
 
@@ -1675,15 +1666,17 @@
 $as_echo "$as_me: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&2;}
     { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
 $as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
-( $as_echo "## -------------------------------------- ##
+( cat <<\_ASBOX
+## -------------------------------------- ##
 ## Report this to http://bugs.python.org/ ##
-## -------------------------------------- ##"
+## -------------------------------------- ##
+_ASBOX
      ) | sed "s/^/$as_me: WARNING:     /" >&2
     ;;
 esac
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
+if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
   $as_echo_n "(cached) " >&6
 else
   eval "$3=\$ac_header_compiler"
@@ -1692,7 +1685,7 @@
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
 fi
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
 
 } # ac_fn_c_check_header_mongrel
 
@@ -1733,7 +1726,7 @@
        ac_retval=$ac_status
 fi
   rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_run
@@ -1747,7 +1740,7 @@
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
+if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -1765,7 +1758,7 @@
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
 
 } # ac_fn_c_check_header_compile
 
@@ -1810,7 +1803,7 @@
   # interfere with the next link command; also delete a directory that is
   # left behind by Apple's compiler.  We do this before executing the actions.
   rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_link
@@ -1824,7 +1817,7 @@
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
+if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
   $as_echo_n "(cached) " >&6
 else
   eval "$3=no"
@@ -1865,7 +1858,7 @@
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
 
 } # ac_fn_c_check_type
 
@@ -1878,7 +1871,7 @@
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for uint$2_t" >&5
 $as_echo_n "checking for uint$2_t... " >&6; }
-if eval \${$3+:} false; then :
+if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
   $as_echo_n "(cached) " >&6
 else
   eval "$3=no"
@@ -1908,7 +1901,8 @@
 esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-       if eval test \"x\$"$3"\" = x"no"; then :
+       eval as_val=\$$3
+   if test "x$as_val" = x""no; then :
 
 else
   break
@@ -1918,7 +1912,7 @@
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
 
 } # ac_fn_c_find_uintX_t
 
@@ -1931,7 +1925,7 @@
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for int$2_t" >&5
 $as_echo_n "checking for int$2_t... " >&6; }
-if eval \${$3+:} false; then :
+if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
   $as_echo_n "(cached) " >&6
 else
   eval "$3=no"
@@ -1942,11 +1936,11 @@
        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $ac_includes_default
-	     enum { N = $2 / 2 - 1 };
 int
 main ()
 {
-static int test_array [1 - 2 * !(0 < ($ac_type) ((((($ac_type) 1 << N) << N) - 1) * 2 + 1))];
+static int test_array [1 - 2 * !(enum { N = $2 / 2 - 1 };
+	     0 < ($ac_type) ((((($ac_type) 1 << N) << N) - 1) * 2 + 1))];
 test_array [0] = 0
 
   ;
@@ -1957,11 +1951,11 @@
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $ac_includes_default
-	        enum { N = $2 / 2 - 1 };
 int
 main ()
 {
-static int test_array [1 - 2 * !(($ac_type) ((((($ac_type) 1 << N) << N) - 1) * 2 + 1)
+static int test_array [1 - 2 * !(enum { N = $2 / 2 - 1 };
+		($ac_type) ((((($ac_type) 1 << N) << N) - 1) * 2 + 1)
 		 < ($ac_type) ((((($ac_type) 1 << N) << N) - 1) * 2 + 2))];
 test_array [0] = 0
 
@@ -1982,7 +1976,8 @@
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-       if eval test \"x\$"$3"\" = x"no"; then :
+       eval as_val=\$$3
+   if test "x$as_val" = x""no; then :
 
 else
   break
@@ -1992,7 +1987,7 @@
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
 
 } # ac_fn_c_find_intX_t
 
@@ -2169,7 +2164,7 @@
 rm -f conftest.val
 
   fi
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_compute_int
@@ -2182,7 +2177,7 @@
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
+if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -2237,7 +2232,7 @@
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
 
 } # ac_fn_c_check_func
 
@@ -2250,7 +2245,7 @@
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2.$3" >&5
 $as_echo_n "checking for $2.$3... " >&6; }
-if eval \${$4+:} false; then :
+if { as_var=$4; eval "test \"\${$as_var+set}\" = set"; }; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -2294,22 +2289,19 @@
 eval ac_res=\$$4
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
 
 } # ac_fn_c_check_member
 
-# ac_fn_c_check_decl LINENO SYMBOL VAR INCLUDES
-# ---------------------------------------------
-# Tests whether SYMBOL is declared in INCLUDES, setting cache variable VAR
-# accordingly.
+# ac_fn_c_check_decl LINENO SYMBOL VAR
+# ------------------------------------
+# Tests whether SYMBOL is declared, setting cache variable VAR accordingly.
 ac_fn_c_check_decl ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  as_decl_name=`echo $2|sed 's/ *(.*//'`
-  as_decl_use=`echo $2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'`
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $as_decl_name is declared" >&5
-$as_echo_n "checking whether $as_decl_name is declared... " >&6; }
-if eval \${$3+:} false; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $2 is declared" >&5
+$as_echo_n "checking whether $2 is declared... " >&6; }
+if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -2318,12 +2310,8 @@
 int
 main ()
 {
-#ifndef $as_decl_name
-#ifdef __cplusplus
-  (void) $as_decl_use;
-#else
-  (void) $as_decl_name;
-#endif
+#ifndef $2
+  (void) $2;
 #endif
 
   ;
@@ -2340,7 +2328,7 @@
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
 
 } # ac_fn_c_check_decl
 cat >config.log <<_ACEOF
@@ -2348,7 +2336,7 @@
 running configure, to aid debugging if configure makes a mistake.
 
 It was created by python $as_me 3.3, which was
-generated by GNU Autoconf 2.68.  Invocation command line was
+generated by GNU Autoconf 2.65.  Invocation command line was
 
   $ $0 $@
 
@@ -2458,9 +2446,11 @@
   {
     echo
 
-    $as_echo "## ---------------- ##
+    cat <<\_ASBOX
+## ---------------- ##
 ## Cache variables. ##
-## ---------------- ##"
+## ---------------- ##
+_ASBOX
     echo
     # The following way of writing the cache mishandles newlines in values,
 (
@@ -2494,9 +2484,11 @@
 )
     echo
 
-    $as_echo "## ----------------- ##
+    cat <<\_ASBOX
+## ----------------- ##
 ## Output variables. ##
-## ----------------- ##"
+## ----------------- ##
+_ASBOX
     echo
     for ac_var in $ac_subst_vars
     do
@@ -2509,9 +2501,11 @@
     echo
 
     if test -n "$ac_subst_files"; then
-      $as_echo "## ------------------- ##
+      cat <<\_ASBOX
+## ------------------- ##
 ## File substitutions. ##
-## ------------------- ##"
+## ------------------- ##
+_ASBOX
       echo
       for ac_var in $ac_subst_files
       do
@@ -2525,9 +2519,11 @@
     fi
 
     if test -s confdefs.h; then
-      $as_echo "## ----------- ##
+      cat <<\_ASBOX
+## ----------- ##
 ## confdefs.h. ##
-## ----------- ##"
+## ----------- ##
+_ASBOX
       echo
       cat confdefs.h
       echo
@@ -2582,12 +2578,7 @@
 ac_site_file1=NONE
 ac_site_file2=NONE
 if test -n "$CONFIG_SITE"; then
-  # We do not want a PATH search for config.site.
-  case $CONFIG_SITE in #((
-    -*)  ac_site_file1=./$CONFIG_SITE;;
-    */*) ac_site_file1=$CONFIG_SITE;;
-    *)   ac_site_file1=./$CONFIG_SITE;;
-  esac
+  ac_site_file1=$CONFIG_SITE
 elif test "x$prefix" != xNONE; then
   ac_site_file1=$prefix/share/config.site
   ac_site_file2=$prefix/etc/config.site
@@ -2602,11 +2593,7 @@
     { $as_echo "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
 $as_echo "$as_me: loading site script $ac_site_file" >&6;}
     sed 's/^/| /' "$ac_site_file" >&5
-    . "$ac_site_file" \
-      || { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "failed to load site script $ac_site_file
-See \`config.log' for more details" "$LINENO" 5; }
+    . "$ac_site_file"
   fi
 done
 
@@ -2682,7 +2669,7 @@
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
   { $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
 $as_echo "$as_me: error: changes in the environment can compromise the build" >&2;}
-  as_fn_error $? "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5
+  as_fn_error "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5
 fi
 ## -------------------- ##
 ## Main body of script. ##
@@ -2783,7 +2770,7 @@
 		UNIVERSALSDK=$enableval
 		if test ! -d "${UNIVERSALSDK}"
 		then
-			as_fn_error $? "--enable-universalsdk specifies non-existing SDK: ${UNIVERSALSDK}" "$LINENO" 5
+			as_fn_error "--enable-universalsdk specifies non-existing SDK: ${UNIVERSALSDK}" "$LINENO" 5
 		fi
 		;;
 	esac
@@ -3175,7 +3162,7 @@
 # If the user switches compilers, we can't believe the cache
 if test ! -z "$ac_cv_prog_CC" -a ! -z "$CC" -a "$CC" != "$ac_cv_prog_CC"
 then
-  as_fn_error $? "cached CC is different -- throw away $cache_file
+  as_fn_error "cached CC is different -- throw away $cache_file
 (it is also a good idea to do 'make clean' before compiling)" "$LINENO" 5
 fi
 
@@ -3195,7 +3182,7 @@
 set dummy ${ac_tool_prefix}gcc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
+if test "${ac_cv_prog_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -3235,7 +3222,7 @@
 set dummy gcc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_CC+:} false; then :
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
@@ -3288,7 +3275,7 @@
 set dummy ${ac_tool_prefix}cc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
+if test "${ac_cv_prog_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -3328,7 +3315,7 @@
 set dummy cc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
+if test "${ac_cv_prog_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -3387,7 +3374,7 @@
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
+if test "${ac_cv_prog_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -3431,7 +3418,7 @@
 set dummy $ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_CC+:} false; then :
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
@@ -3485,8 +3472,8 @@
 
 test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "no acceptable C compiler found in \$PATH
-See \`config.log' for more details" "$LINENO" 5; }
+as_fn_error "no acceptable C compiler found in \$PATH
+See \`config.log' for more details." "$LINENO" 5; }
 
 # Provide some information about the compiler.
 $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
@@ -3600,8 +3587,9 @@
 
 { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "C compiler cannot create executables
-See \`config.log' for more details" "$LINENO" 5; }
+{ as_fn_set_status 77
+as_fn_error "C compiler cannot create executables
+See \`config.log' for more details." "$LINENO" 5; }; }
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
@@ -3643,8 +3631,8 @@
 else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "cannot compute suffix of executables: cannot compile and link
-See \`config.log' for more details" "$LINENO" 5; }
+as_fn_error "cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details." "$LINENO" 5; }
 fi
 rm -f conftest conftest$ac_cv_exeext
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
@@ -3701,9 +3689,9 @@
     else
 	{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "cannot run C compiled programs.
+as_fn_error "cannot run C compiled programs.
 If you meant to cross compile, use \`--host'.
-See \`config.log' for more details" "$LINENO" 5; }
+See \`config.log' for more details." "$LINENO" 5; }
     fi
   fi
 fi
@@ -3714,7 +3702,7 @@
 ac_clean_files=$ac_clean_files_save
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
 $as_echo_n "checking for suffix of object files... " >&6; }
-if ${ac_cv_objext+:} false; then :
+if test "${ac_cv_objext+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -3754,8 +3742,8 @@
 
 { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "cannot compute suffix of object files: cannot compile
-See \`config.log' for more details" "$LINENO" 5; }
+as_fn_error "cannot compute suffix of object files: cannot compile
+See \`config.log' for more details." "$LINENO" 5; }
 fi
 rm -f conftest.$ac_cv_objext conftest.$ac_ext
 fi
@@ -3765,7 +3753,7 @@
 ac_objext=$OBJEXT
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5
 $as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
-if ${ac_cv_c_compiler_gnu+:} false; then :
+if test "${ac_cv_c_compiler_gnu+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -3802,7 +3790,7 @@
 ac_save_CFLAGS=$CFLAGS
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
 $as_echo_n "checking whether $CC accepts -g... " >&6; }
-if ${ac_cv_prog_cc_g+:} false; then :
+if test "${ac_cv_prog_cc_g+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_c_werror_flag=$ac_c_werror_flag
@@ -3880,7 +3868,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
 $as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
-if ${ac_cv_prog_cc_c89+:} false; then :
+if test "${ac_cv_prog_cc_c89+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_prog_cc_c89=no
@@ -4015,7 +4003,7 @@
 set dummy g++; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_path_CXX+:} false; then :
+if test "${ac_cv_path_CXX+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   case $CXX in
@@ -4056,7 +4044,7 @@
 set dummy c++; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_path_CXX+:} false; then :
+if test "${ac_cv_path_CXX+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   case $CXX in
@@ -4107,7 +4095,7 @@
 set dummy $ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CXX+:} false; then :
+if test "${ac_cv_prog_CXX+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CXX"; then
@@ -4178,7 +4166,7 @@
   CPP=
 fi
 if test -z "$CPP"; then
-  if ${ac_cv_prog_CPP+:} false; then :
+  if test "${ac_cv_prog_CPP+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
       # Double quotes because CPP needs to be expanded
@@ -4208,7 +4196,7 @@
   # Broken: fails on valid input.
 continue
 fi
-rm -f conftest.err conftest.i conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 
   # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
@@ -4224,11 +4212,11 @@
 ac_preproc_ok=:
 break
 fi
-rm -f conftest.err conftest.i conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.i conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 if $ac_preproc_ok; then :
   break
 fi
@@ -4267,7 +4255,7 @@
   # Broken: fails on valid input.
 continue
 fi
-rm -f conftest.err conftest.i conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 
   # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
@@ -4283,18 +4271,18 @@
 ac_preproc_ok=:
 break
 fi
-rm -f conftest.err conftest.i conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.i conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 if $ac_preproc_ok; then :
 
 else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details" "$LINENO" 5; }
+as_fn_error "C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details." "$LINENO" 5; }
 fi
 
 ac_ext=c
@@ -4306,7 +4294,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
 $as_echo_n "checking for grep that handles long lines and -e... " >&6; }
-if ${ac_cv_path_GREP+:} false; then :
+if test "${ac_cv_path_GREP+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -z "$GREP"; then
@@ -4355,7 +4343,7 @@
   done
 IFS=$as_save_IFS
   if test -z "$ac_cv_path_GREP"; then
-    as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+    as_fn_error "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
   fi
 else
   ac_cv_path_GREP=$GREP
@@ -4369,7 +4357,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
 $as_echo_n "checking for egrep... " >&6; }
-if ${ac_cv_path_EGREP+:} false; then :
+if test "${ac_cv_path_EGREP+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
@@ -4421,7 +4409,7 @@
   done
 IFS=$as_save_IFS
   if test -z "$ac_cv_path_EGREP"; then
-    as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+    as_fn_error "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
   fi
 else
   ac_cv_path_EGREP=$EGREP
@@ -4436,7 +4424,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
 $as_echo_n "checking for ANSI C header files... " >&6; }
-if ${ac_cv_header_stdc+:} false; then :
+if test "${ac_cv_header_stdc+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -4553,7 +4541,8 @@
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
 "
-if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+eval as_val=\$$as_ac_Header
+   if test "x$as_val" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
@@ -4565,7 +4554,7 @@
 
 
   ac_fn_c_check_header_mongrel "$LINENO" "minix/config.h" "ac_cv_header_minix_config_h" "$ac_includes_default"
-if test "x$ac_cv_header_minix_config_h" = xyes; then :
+if test "x$ac_cv_header_minix_config_h" = x""yes; then :
   MINIX=yes
 else
   MINIX=
@@ -4587,7 +4576,7 @@
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether it is safe to define __EXTENSIONS__" >&5
 $as_echo_n "checking whether it is safe to define __EXTENSIONS__... " >&6; }
-if ${ac_cv_safe_to_define___extensions__+:} false; then :
+if test "${ac_cv_safe_to_define___extensions__+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -4780,7 +4769,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for inline" >&5
 $as_echo_n "checking for inline... " >&6; }
-if ${ac_cv_c_inline+:} false; then :
+if test "${ac_cv_c_inline+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_c_inline=no
@@ -4981,7 +4970,7 @@
 set dummy ${ac_tool_prefix}ranlib; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_RANLIB+:} false; then :
+if test "${ac_cv_prog_RANLIB+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$RANLIB"; then
@@ -5021,7 +5010,7 @@
 set dummy ranlib; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_RANLIB+:} false; then :
+if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_RANLIB"; then
@@ -5075,7 +5064,7 @@
 set dummy $ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_AR+:} false; then :
+if test "${ac_cv_prog_AR+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$AR"; then
@@ -5125,7 +5114,7 @@
 set dummy svnversion; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_SVNVERSION+:} false; then :
+if test "${ac_cv_prog_SVNVERSION+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$SVNVERSION"; then
@@ -5176,22 +5165,16 @@
 esac
 ac_aux_dir=
 for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
-  if test -f "$ac_dir/install-sh"; then
-    ac_aux_dir=$ac_dir
-    ac_install_sh="$ac_aux_dir/install-sh -c"
-    break
-  elif test -f "$ac_dir/install.sh"; then
-    ac_aux_dir=$ac_dir
-    ac_install_sh="$ac_aux_dir/install.sh -c"
-    break
-  elif test -f "$ac_dir/shtool"; then
-    ac_aux_dir=$ac_dir
-    ac_install_sh="$ac_aux_dir/shtool install -c"
-    break
-  fi
+  for ac_t in install-sh install.sh shtool; do
+    if test -f "$ac_dir/$ac_t"; then
+      ac_aux_dir=$ac_dir
+      ac_install_sh="$ac_aux_dir/$ac_t -c"
+      break 2
+    fi
+  done
 done
 if test -z "$ac_aux_dir"; then
-  as_fn_error $? "cannot find install-sh, install.sh, or shtool in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" "$LINENO" 5
+  as_fn_error "cannot find install-sh, install.sh, or shtool in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" "$LINENO" 5
 fi
 
 # These three variables are undocumented and unsupported,
@@ -5220,7 +5203,7 @@
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5
 $as_echo_n "checking for a BSD-compatible install... " >&6; }
 if test -z "$INSTALL"; then
-if ${ac_cv_path_install+:} false; then :
+if test "${ac_cv_path_install+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -5406,7 +5389,7 @@
      ac_save_cc="$CC"
      CC="$CC -fno-strict-aliasing"
      save_CFLAGS="$CFLAGS"
-     if ${ac_cv_no_strict_aliasing+:} false; then :
+     if test "${ac_cv_no_strict_aliasing+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -5529,7 +5512,7 @@
 		   ARCH_RUN_32BIT="/usr/bin/arch -i386 -ppc"
 
 		 else
-	           as_fn_error $? "proper usage is --with-universal-arch=32-bit|64-bit|all|intel|3-way" "$LINENO" 5
+	           as_fn_error "proper usage is --with-universal-arch=32-bit|64-bit|all|intel|3-way" "$LINENO" 5
 
 		 fi
 
@@ -5662,7 +5645,7 @@
 # options before we can check whether -Kpthread improves anything.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether pthreads are available without options" >&5
 $as_echo_n "checking whether pthreads are available without options... " >&6; }
-if ${ac_cv_pthread_is_default+:} false; then :
+if test "${ac_cv_pthread_is_default+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test "$cross_compiling" = yes; then :
@@ -5715,7 +5698,7 @@
 # function available.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -Kpthread" >&5
 $as_echo_n "checking whether $CC accepts -Kpthread... " >&6; }
-if ${ac_cv_kpthread+:} false; then :
+if test "${ac_cv_kpthread+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_cc="$CC"
@@ -5764,7 +5747,7 @@
 # function available.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -Kthread" >&5
 $as_echo_n "checking whether $CC accepts -Kthread... " >&6; }
-if ${ac_cv_kthread+:} false; then :
+if test "${ac_cv_kthread+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_cc="$CC"
@@ -5813,7 +5796,7 @@
 # function available.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -pthread" >&5
 $as_echo_n "checking whether $CC accepts -pthread... " >&6; }
-if ${ac_cv_thread+:} false; then :
+if test "${ac_cv_thread+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_cc="$CC"
@@ -5898,7 +5881,7 @@
 # checks for header files
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
 $as_echo_n "checking for ANSI C header files... " >&6; }
-if ${ac_cv_header_stdc+:} false; then :
+if test "${ac_cv_header_stdc+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -6023,7 +6006,8 @@
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
-if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+eval as_val=\$$as_ac_Header
+   if test "x$as_val" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
@@ -6037,7 +6021,7 @@
   as_ac_Header=`$as_echo "ac_cv_header_dirent_$ac_hdr" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_hdr that defines DIR" >&5
 $as_echo_n "checking for $ac_hdr that defines DIR... " >&6; }
-if eval \${$as_ac_Header+:} false; then :
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -6064,7 +6048,8 @@
 eval ac_res=\$$as_ac_Header
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+eval as_val=\$$as_ac_Header
+   if test "x$as_val" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_hdr" | $as_tr_cpp` 1
 _ACEOF
@@ -6077,7 +6062,7 @@
 if test $ac_header_dirent = dirent.h; then
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing opendir" >&5
 $as_echo_n "checking for library containing opendir... " >&6; }
-if ${ac_cv_search_opendir+:} false; then :
+if test "${ac_cv_search_opendir+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
@@ -6111,11 +6096,11 @@
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if ${ac_cv_search_opendir+:} false; then :
+  if test "${ac_cv_search_opendir+set}" = set; then :
   break
 fi
 done
-if ${ac_cv_search_opendir+:} false; then :
+if test "${ac_cv_search_opendir+set}" = set; then :
 
 else
   ac_cv_search_opendir=no
@@ -6134,7 +6119,7 @@
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing opendir" >&5
 $as_echo_n "checking for library containing opendir... " >&6; }
-if ${ac_cv_search_opendir+:} false; then :
+if test "${ac_cv_search_opendir+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
@@ -6168,11 +6153,11 @@
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if ${ac_cv_search_opendir+:} false; then :
+  if test "${ac_cv_search_opendir+set}" = set; then :
   break
 fi
 done
-if ${ac_cv_search_opendir+:} false; then :
+if test "${ac_cv_search_opendir+set}" = set; then :
 
 else
   ac_cv_search_opendir=no
@@ -6192,7 +6177,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether sys/types.h defines makedev" >&5
 $as_echo_n "checking whether sys/types.h defines makedev... " >&6; }
-if ${ac_cv_header_sys_types_h_makedev+:} false; then :
+if test "${ac_cv_header_sys_types_h_makedev+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -6220,7 +6205,7 @@
 
 if test $ac_cv_header_sys_types_h_makedev = no; then
 ac_fn_c_check_header_mongrel "$LINENO" "sys/mkdev.h" "ac_cv_header_sys_mkdev_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_mkdev_h" = xyes; then :
+if test "x$ac_cv_header_sys_mkdev_h" = x""yes; then :
 
 $as_echo "#define MAJOR_IN_MKDEV 1" >>confdefs.h
 
@@ -6230,7 +6215,7 @@
 
   if test $ac_cv_header_sys_mkdev_h = no; then
     ac_fn_c_check_header_mongrel "$LINENO" "sys/sysmacros.h" "ac_cv_header_sys_sysmacros_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_sysmacros_h" = xyes; then :
+if test "x$ac_cv_header_sys_sysmacros_h" = x""yes; then :
 
 $as_echo "#define MAJOR_IN_SYSMACROS 1" >>confdefs.h
 
@@ -6250,7 +6235,7 @@
 #endif
 
 "
-if test "x$ac_cv_header_term_h" = xyes; then :
+if test "x$ac_cv_header_term_h" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_TERM_H 1
 _ACEOF
@@ -6272,7 +6257,7 @@
 #endif
 
 "
-if test "x$ac_cv_header_linux_netlink_h" = xyes; then :
+if test "x$ac_cv_header_linux_netlink_h" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LINUX_NETLINK_H 1
 _ACEOF
@@ -6438,7 +6423,7 @@
 
 # Type availability checks
 ac_fn_c_check_type "$LINENO" "mode_t" "ac_cv_type_mode_t" "$ac_includes_default"
-if test "x$ac_cv_type_mode_t" = xyes; then :
+if test "x$ac_cv_type_mode_t" = x""yes; then :
 
 else
 
@@ -6449,7 +6434,7 @@
 fi
 
 ac_fn_c_check_type "$LINENO" "off_t" "ac_cv_type_off_t" "$ac_includes_default"
-if test "x$ac_cv_type_off_t" = xyes; then :
+if test "x$ac_cv_type_off_t" = x""yes; then :
 
 else
 
@@ -6460,7 +6445,7 @@
 fi
 
 ac_fn_c_check_type "$LINENO" "pid_t" "ac_cv_type_pid_t" "$ac_includes_default"
-if test "x$ac_cv_type_pid_t" = xyes; then :
+if test "x$ac_cv_type_pid_t" = x""yes; then :
 
 else
 
@@ -6476,7 +6461,7 @@
 _ACEOF
 
 ac_fn_c_check_type "$LINENO" "size_t" "ac_cv_type_size_t" "$ac_includes_default"
-if test "x$ac_cv_type_size_t" = xyes; then :
+if test "x$ac_cv_type_size_t" = x""yes; then :
 
 else
 
@@ -6488,7 +6473,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for uid_t in sys/types.h" >&5
 $as_echo_n "checking for uid_t in sys/types.h... " >&6; }
-if ${ac_cv_type_uid_t+:} false; then :
+if test "${ac_cv_type_uid_t+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -6567,7 +6552,7 @@
 esac
 
 ac_fn_c_check_type "$LINENO" "ssize_t" "ac_cv_type_ssize_t" "$ac_includes_default"
-if test "x$ac_cv_type_ssize_t" = xyes; then :
+if test "x$ac_cv_type_ssize_t" = x""yes; then :
 
 $as_echo "#define HAVE_SSIZE_T 1" >>confdefs.h
 
@@ -6582,7 +6567,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of int" >&5
 $as_echo_n "checking size of int... " >&6; }
-if ${ac_cv_sizeof_int+:} false; then :
+if test "${ac_cv_sizeof_int+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (int))" "ac_cv_sizeof_int"        "$ac_includes_default"; then :
@@ -6591,8 +6576,9 @@
   if test "$ac_cv_type_int" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (int)
-See \`config.log' for more details" "$LINENO" 5; }
+{ as_fn_set_status 77
+as_fn_error "cannot compute sizeof (int)
+See \`config.log' for more details." "$LINENO" 5; }; }
    else
      ac_cv_sizeof_int=0
    fi
@@ -6615,7 +6601,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of long" >&5
 $as_echo_n "checking size of long... " >&6; }
-if ${ac_cv_sizeof_long+:} false; then :
+if test "${ac_cv_sizeof_long+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long))" "ac_cv_sizeof_long"        "$ac_includes_default"; then :
@@ -6624,8 +6610,9 @@
   if test "$ac_cv_type_long" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (long)
-See \`config.log' for more details" "$LINENO" 5; }
+{ as_fn_set_status 77
+as_fn_error "cannot compute sizeof (long)
+See \`config.log' for more details." "$LINENO" 5; }; }
    else
      ac_cv_sizeof_long=0
    fi
@@ -6648,7 +6635,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of void *" >&5
 $as_echo_n "checking size of void *... " >&6; }
-if ${ac_cv_sizeof_void_p+:} false; then :
+if test "${ac_cv_sizeof_void_p+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (void *))" "ac_cv_sizeof_void_p"        "$ac_includes_default"; then :
@@ -6657,8 +6644,9 @@
   if test "$ac_cv_type_void_p" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (void *)
-See \`config.log' for more details" "$LINENO" 5; }
+{ as_fn_set_status 77
+as_fn_error "cannot compute sizeof (void *)
+See \`config.log' for more details." "$LINENO" 5; }; }
    else
      ac_cv_sizeof_void_p=0
    fi
@@ -6681,7 +6669,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of short" >&5
 $as_echo_n "checking size of short... " >&6; }
-if ${ac_cv_sizeof_short+:} false; then :
+if test "${ac_cv_sizeof_short+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (short))" "ac_cv_sizeof_short"        "$ac_includes_default"; then :
@@ -6690,8 +6678,9 @@
   if test "$ac_cv_type_short" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (short)
-See \`config.log' for more details" "$LINENO" 5; }
+{ as_fn_set_status 77
+as_fn_error "cannot compute sizeof (short)
+See \`config.log' for more details." "$LINENO" 5; }; }
    else
      ac_cv_sizeof_short=0
    fi
@@ -6714,7 +6703,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of float" >&5
 $as_echo_n "checking size of float... " >&6; }
-if ${ac_cv_sizeof_float+:} false; then :
+if test "${ac_cv_sizeof_float+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (float))" "ac_cv_sizeof_float"        "$ac_includes_default"; then :
@@ -6723,8 +6712,9 @@
   if test "$ac_cv_type_float" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (float)
-See \`config.log' for more details" "$LINENO" 5; }
+{ as_fn_set_status 77
+as_fn_error "cannot compute sizeof (float)
+See \`config.log' for more details." "$LINENO" 5; }; }
    else
      ac_cv_sizeof_float=0
    fi
@@ -6747,7 +6737,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of double" >&5
 $as_echo_n "checking size of double... " >&6; }
-if ${ac_cv_sizeof_double+:} false; then :
+if test "${ac_cv_sizeof_double+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (double))" "ac_cv_sizeof_double"        "$ac_includes_default"; then :
@@ -6756,8 +6746,9 @@
   if test "$ac_cv_type_double" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (double)
-See \`config.log' for more details" "$LINENO" 5; }
+{ as_fn_set_status 77
+as_fn_error "cannot compute sizeof (double)
+See \`config.log' for more details." "$LINENO" 5; }; }
    else
      ac_cv_sizeof_double=0
    fi
@@ -6780,7 +6771,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of fpos_t" >&5
 $as_echo_n "checking size of fpos_t... " >&6; }
-if ${ac_cv_sizeof_fpos_t+:} false; then :
+if test "${ac_cv_sizeof_fpos_t+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (fpos_t))" "ac_cv_sizeof_fpos_t"        "$ac_includes_default"; then :
@@ -6789,8 +6780,9 @@
   if test "$ac_cv_type_fpos_t" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (fpos_t)
-See \`config.log' for more details" "$LINENO" 5; }
+{ as_fn_set_status 77
+as_fn_error "cannot compute sizeof (fpos_t)
+See \`config.log' for more details." "$LINENO" 5; }; }
    else
      ac_cv_sizeof_fpos_t=0
    fi
@@ -6813,7 +6805,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of size_t" >&5
 $as_echo_n "checking size of size_t... " >&6; }
-if ${ac_cv_sizeof_size_t+:} false; then :
+if test "${ac_cv_sizeof_size_t+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (size_t))" "ac_cv_sizeof_size_t"        "$ac_includes_default"; then :
@@ -6822,8 +6814,9 @@
   if test "$ac_cv_type_size_t" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (size_t)
-See \`config.log' for more details" "$LINENO" 5; }
+{ as_fn_set_status 77
+as_fn_error "cannot compute sizeof (size_t)
+See \`config.log' for more details." "$LINENO" 5; }; }
    else
      ac_cv_sizeof_size_t=0
    fi
@@ -6846,7 +6839,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of pid_t" >&5
 $as_echo_n "checking size of pid_t... " >&6; }
-if ${ac_cv_sizeof_pid_t+:} false; then :
+if test "${ac_cv_sizeof_pid_t+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (pid_t))" "ac_cv_sizeof_pid_t"        "$ac_includes_default"; then :
@@ -6855,8 +6848,9 @@
   if test "$ac_cv_type_pid_t" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (pid_t)
-See \`config.log' for more details" "$LINENO" 5; }
+{ as_fn_set_status 77
+as_fn_error "cannot compute sizeof (pid_t)
+See \`config.log' for more details." "$LINENO" 5; }; }
    else
      ac_cv_sizeof_pid_t=0
    fi
@@ -6906,7 +6900,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of long long" >&5
 $as_echo_n "checking size of long long... " >&6; }
-if ${ac_cv_sizeof_long_long+:} false; then :
+if test "${ac_cv_sizeof_long_long+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long long))" "ac_cv_sizeof_long_long"        "$ac_includes_default"; then :
@@ -6915,8 +6909,9 @@
   if test "$ac_cv_type_long_long" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (long long)
-See \`config.log' for more details" "$LINENO" 5; }
+{ as_fn_set_status 77
+as_fn_error "cannot compute sizeof (long long)
+See \`config.log' for more details." "$LINENO" 5; }; }
    else
      ac_cv_sizeof_long_long=0
    fi
@@ -6967,7 +6962,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of long double" >&5
 $as_echo_n "checking size of long double... " >&6; }
-if ${ac_cv_sizeof_long_double+:} false; then :
+if test "${ac_cv_sizeof_long_double+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long double))" "ac_cv_sizeof_long_double"        "$ac_includes_default"; then :
@@ -6976,8 +6971,9 @@
   if test "$ac_cv_type_long_double" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (long double)
-See \`config.log' for more details" "$LINENO" 5; }
+{ as_fn_set_status 77
+as_fn_error "cannot compute sizeof (long double)
+See \`config.log' for more details." "$LINENO" 5; }; }
    else
      ac_cv_sizeof_long_double=0
    fi
@@ -7029,7 +7025,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of _Bool" >&5
 $as_echo_n "checking size of _Bool... " >&6; }
-if ${ac_cv_sizeof__Bool+:} false; then :
+if test "${ac_cv_sizeof__Bool+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (_Bool))" "ac_cv_sizeof__Bool"        "$ac_includes_default"; then :
@@ -7038,8 +7034,9 @@
   if test "$ac_cv_type__Bool" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (_Bool)
-See \`config.log' for more details" "$LINENO" 5; }
+{ as_fn_set_status 77
+as_fn_error "cannot compute sizeof (_Bool)
+See \`config.log' for more details." "$LINENO" 5; }; }
    else
      ac_cv_sizeof__Bool=0
    fi
@@ -7065,7 +7062,7 @@
         #include <inttypes.h>
         #endif
 "
-if test "x$ac_cv_type_uintptr_t" = xyes; then :
+if test "x$ac_cv_type_uintptr_t" = x""yes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_UINTPTR_T 1
@@ -7077,7 +7074,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of uintptr_t" >&5
 $as_echo_n "checking size of uintptr_t... " >&6; }
-if ${ac_cv_sizeof_uintptr_t+:} false; then :
+if test "${ac_cv_sizeof_uintptr_t+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (uintptr_t))" "ac_cv_sizeof_uintptr_t"        "$ac_includes_default"; then :
@@ -7086,8 +7083,9 @@
   if test "$ac_cv_type_uintptr_t" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (uintptr_t)
-See \`config.log' for more details" "$LINENO" 5; }
+{ as_fn_set_status 77
+as_fn_error "cannot compute sizeof (uintptr_t)
+See \`config.log' for more details." "$LINENO" 5; }; }
    else
      ac_cv_sizeof_uintptr_t=0
    fi
@@ -7113,7 +7111,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of off_t" >&5
 $as_echo_n "checking size of off_t... " >&6; }
-if ${ac_cv_sizeof_off_t+:} false; then :
+if test "${ac_cv_sizeof_off_t+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (off_t))" "ac_cv_sizeof_off_t"        "
@@ -7127,8 +7125,9 @@
   if test "$ac_cv_type_off_t" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (off_t)
-See \`config.log' for more details" "$LINENO" 5; }
+{ as_fn_set_status 77
+as_fn_error "cannot compute sizeof (off_t)
+See \`config.log' for more details." "$LINENO" 5; }; }
    else
      ac_cv_sizeof_off_t=0
    fi
@@ -7172,7 +7171,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of time_t" >&5
 $as_echo_n "checking size of time_t... " >&6; }
-if ${ac_cv_sizeof_time_t+:} false; then :
+if test "${ac_cv_sizeof_time_t+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (time_t))" "ac_cv_sizeof_time_t"        "
@@ -7189,8 +7188,9 @@
   if test "$ac_cv_type_time_t" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (time_t)
-See \`config.log' for more details" "$LINENO" 5; }
+{ as_fn_set_status 77
+as_fn_error "cannot compute sizeof (time_t)
+See \`config.log' for more details." "$LINENO" 5; }; }
    else
      ac_cv_sizeof_time_t=0
    fi
@@ -7247,7 +7247,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of pthread_t" >&5
 $as_echo_n "checking size of pthread_t... " >&6; }
-if ${ac_cv_sizeof_pthread_t+:} false; then :
+if test "${ac_cv_sizeof_pthread_t+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (pthread_t))" "ac_cv_sizeof_pthread_t"        "
@@ -7261,8 +7261,9 @@
   if test "$ac_cv_type_pthread_t" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (pthread_t)
-See \`config.log' for more details" "$LINENO" 5; }
+{ as_fn_set_status 77
+as_fn_error "cannot compute sizeof (pthread_t)
+See \`config.log' for more details." "$LINENO" 5; }; }
    else
      ac_cv_sizeof_pthread_t=0
    fi
@@ -7349,7 +7350,7 @@
     		MACOSX_DEFAULT_ARCH="ppc"
     		;;
     	*)
-    		as_fn_error $? "Unexpected output of 'arch' on OSX" "$LINENO" 5
+    		as_fn_error "Unexpected output of 'arch' on OSX" "$LINENO" 5
     		;;
     	esac
     else
@@ -7361,7 +7362,7 @@
     		MACOSX_DEFAULT_ARCH="ppc64"
     		;;
     	*)
-    		as_fn_error $? "Unexpected output of 'arch' on OSX" "$LINENO" 5
+    		as_fn_error "Unexpected output of 'arch' on OSX" "$LINENO" 5
     		;;
     	esac
 
@@ -7387,7 +7388,7 @@
 $as_echo "yes" >&6; }
 	if test $enable_shared = "yes"
 	then
-		as_fn_error $? "Specifying both --enable-shared and --enable-framework is not supported, use only --enable-framework instead" "$LINENO" 5
+		as_fn_error "Specifying both --enable-shared and --enable-framework is not supported, use only --enable-framework instead" "$LINENO" 5
 	fi
 else
 	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
@@ -7694,7 +7695,7 @@
 # checks for libraries
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sendfile in -lsendfile" >&5
 $as_echo_n "checking for sendfile in -lsendfile... " >&6; }
-if ${ac_cv_lib_sendfile_sendfile+:} false; then :
+if test "${ac_cv_lib_sendfile_sendfile+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -7728,7 +7729,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_sendfile_sendfile" >&5
 $as_echo "$ac_cv_lib_sendfile_sendfile" >&6; }
-if test "x$ac_cv_lib_sendfile_sendfile" = xyes; then :
+if test "x$ac_cv_lib_sendfile_sendfile" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBSENDFILE 1
 _ACEOF
@@ -7739,7 +7740,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
 $as_echo_n "checking for dlopen in -ldl... " >&6; }
-if ${ac_cv_lib_dl_dlopen+:} false; then :
+if test "${ac_cv_lib_dl_dlopen+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -7773,7 +7774,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
 $as_echo "$ac_cv_lib_dl_dlopen" >&6; }
-if test "x$ac_cv_lib_dl_dlopen" = xyes; then :
+if test "x$ac_cv_lib_dl_dlopen" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBDL 1
 _ACEOF
@@ -7784,7 +7785,7 @@
 	# Dynamic linking for SunOS/Solaris and SYSV
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5
 $as_echo_n "checking for shl_load in -ldld... " >&6; }
-if ${ac_cv_lib_dld_shl_load+:} false; then :
+if test "${ac_cv_lib_dld_shl_load+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -7818,7 +7819,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5
 $as_echo "$ac_cv_lib_dld_shl_load" >&6; }
-if test "x$ac_cv_lib_dld_shl_load" = xyes; then :
+if test "x$ac_cv_lib_dld_shl_load" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBDLD 1
 _ACEOF
@@ -7832,7 +7833,7 @@
 if test "$with_threads" = "yes" -o -z "$with_threads"; then
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing sem_init" >&5
 $as_echo_n "checking for library containing sem_init... " >&6; }
-if ${ac_cv_search_sem_init+:} false; then :
+if test "${ac_cv_search_sem_init+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
@@ -7866,11 +7867,11 @@
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if ${ac_cv_search_sem_init+:} false; then :
+  if test "${ac_cv_search_sem_init+set}" = set; then :
   break
 fi
 done
-if ${ac_cv_search_sem_init+:} false; then :
+if test "${ac_cv_search_sem_init+set}" = set; then :
 
 else
   ac_cv_search_sem_init=no
@@ -7893,7 +7894,7 @@
 # check if we need libintl for locale functions
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for textdomain in -lintl" >&5
 $as_echo_n "checking for textdomain in -lintl... " >&6; }
-if ${ac_cv_lib_intl_textdomain+:} false; then :
+if test "${ac_cv_lib_intl_textdomain+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -7927,7 +7928,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_intl_textdomain" >&5
 $as_echo "$ac_cv_lib_intl_textdomain" >&6; }
-if test "x$ac_cv_lib_intl_textdomain" = xyes; then :
+if test "x$ac_cv_lib_intl_textdomain" = x""yes; then :
 
 $as_echo "#define WITH_LIBINTL 1" >>confdefs.h
 
@@ -7974,7 +7975,7 @@
 # Most SVR4 platforms (e.g. Solaris) need -lsocket and -lnsl.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for t_open in -lnsl" >&5
 $as_echo_n "checking for t_open in -lnsl... " >&6; }
-if ${ac_cv_lib_nsl_t_open+:} false; then :
+if test "${ac_cv_lib_nsl_t_open+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8008,13 +8009,13 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_nsl_t_open" >&5
 $as_echo "$ac_cv_lib_nsl_t_open" >&6; }
-if test "x$ac_cv_lib_nsl_t_open" = xyes; then :
+if test "x$ac_cv_lib_nsl_t_open" = x""yes; then :
   LIBS="-lnsl $LIBS"
 fi
  # SVR4
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for socket in -lsocket" >&5
 $as_echo_n "checking for socket in -lsocket... " >&6; }
-if ${ac_cv_lib_socket_socket+:} false; then :
+if test "${ac_cv_lib_socket_socket+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8048,7 +8049,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_socket" >&5
 $as_echo "$ac_cv_lib_socket_socket" >&6; }
-if test "x$ac_cv_lib_socket_socket" = xyes; then :
+if test "x$ac_cv_lib_socket_socket" = x""yes; then :
   LIBS="-lsocket $LIBS"
 fi
  # SVR4 sockets
@@ -8074,7 +8075,7 @@
 set dummy ${ac_tool_prefix}pkg-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_path_PKG_CONFIG+:} false; then :
+if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   case $PKG_CONFIG in
@@ -8117,7 +8118,7 @@
 set dummy pkg-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_path_ac_pt_PKG_CONFIG+:} false; then :
+if test "${ac_cv_path_ac_pt_PKG_CONFIG+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   case $ac_pt_PKG_CONFIG in
@@ -8228,12 +8229,12 @@
   withval=$with_dbmliborder;
 if test x$with_dbmliborder = xyes
 then
-as_fn_error $? "proper usage is --with-dbmliborder=db1:db2:..." "$LINENO" 5
+as_fn_error "proper usage is --with-dbmliborder=db1:db2:..." "$LINENO" 5
 else
   for db in `echo $with_dbmliborder | sed 's/:/ /g'`; do
     if test x$db != xndbm && test x$db != xgdbm && test x$db != xbdb
     then
-      as_fn_error $? "proper usage is --with-dbmliborder=db1:db2:..." "$LINENO" 5
+      as_fn_error "proper usage is --with-dbmliborder=db1:db2:..." "$LINENO" 5
     fi
   done
 fi
@@ -8399,7 +8400,7 @@
     $as_echo "#define _REENTRANT 1" >>confdefs.h
 
     ac_fn_c_check_header_mongrel "$LINENO" "cthreads.h" "ac_cv_header_cthreads_h" "$ac_includes_default"
-if test "x$ac_cv_header_cthreads_h" = xyes; then :
+if test "x$ac_cv_header_cthreads_h" = x""yes; then :
   $as_echo "#define WITH_THREAD 1" >>confdefs.h
 
     $as_echo "#define C_THREADS 1" >>confdefs.h
@@ -8412,7 +8413,7 @@
 else
 
     ac_fn_c_check_header_mongrel "$LINENO" "mach/cthreads.h" "ac_cv_header_mach_cthreads_h" "$ac_includes_default"
-if test "x$ac_cv_header_mach_cthreads_h" = xyes; then :
+if test "x$ac_cv_header_mach_cthreads_h" = x""yes; then :
   $as_echo "#define WITH_THREAD 1" >>confdefs.h
 
     $as_echo "#define C_THREADS 1" >>confdefs.h
@@ -8456,7 +8457,7 @@
 
     LIBS=$_libs
     ac_fn_c_check_func "$LINENO" "pthread_detach" "ac_cv_func_pthread_detach"
-if test "x$ac_cv_func_pthread_detach" = xyes; then :
+if test "x$ac_cv_func_pthread_detach" = x""yes; then :
   $as_echo "#define WITH_THREAD 1" >>confdefs.h
 
     posix_threads=yes
@@ -8465,7 +8466,7 @@
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_create in -lpthreads" >&5
 $as_echo_n "checking for pthread_create in -lpthreads... " >&6; }
-if ${ac_cv_lib_pthreads_pthread_create+:} false; then :
+if test "${ac_cv_lib_pthreads_pthread_create+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8499,7 +8500,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthreads_pthread_create" >&5
 $as_echo "$ac_cv_lib_pthreads_pthread_create" >&6; }
-if test "x$ac_cv_lib_pthreads_pthread_create" = xyes; then :
+if test "x$ac_cv_lib_pthreads_pthread_create" = x""yes; then :
   $as_echo "#define WITH_THREAD 1" >>confdefs.h
 
     posix_threads=yes
@@ -8509,7 +8510,7 @@
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_create in -lc_r" >&5
 $as_echo_n "checking for pthread_create in -lc_r... " >&6; }
-if ${ac_cv_lib_c_r_pthread_create+:} false; then :
+if test "${ac_cv_lib_c_r_pthread_create+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8543,7 +8544,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_c_r_pthread_create" >&5
 $as_echo "$ac_cv_lib_c_r_pthread_create" >&6; }
-if test "x$ac_cv_lib_c_r_pthread_create" = xyes; then :
+if test "x$ac_cv_lib_c_r_pthread_create" = x""yes; then :
   $as_echo "#define WITH_THREAD 1" >>confdefs.h
 
     posix_threads=yes
@@ -8553,7 +8554,7 @@
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __pthread_create_system in -lpthread" >&5
 $as_echo_n "checking for __pthread_create_system in -lpthread... " >&6; }
-if ${ac_cv_lib_pthread___pthread_create_system+:} false; then :
+if test "${ac_cv_lib_pthread___pthread_create_system+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8587,7 +8588,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread___pthread_create_system" >&5
 $as_echo "$ac_cv_lib_pthread___pthread_create_system" >&6; }
-if test "x$ac_cv_lib_pthread___pthread_create_system" = xyes; then :
+if test "x$ac_cv_lib_pthread___pthread_create_system" = x""yes; then :
   $as_echo "#define WITH_THREAD 1" >>confdefs.h
 
     posix_threads=yes
@@ -8597,7 +8598,7 @@
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_create in -lcma" >&5
 $as_echo_n "checking for pthread_create in -lcma... " >&6; }
-if ${ac_cv_lib_cma_pthread_create+:} false; then :
+if test "${ac_cv_lib_cma_pthread_create+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8631,7 +8632,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_cma_pthread_create" >&5
 $as_echo "$ac_cv_lib_cma_pthread_create" >&6; }
-if test "x$ac_cv_lib_cma_pthread_create" = xyes; then :
+if test "x$ac_cv_lib_cma_pthread_create" = x""yes; then :
   $as_echo "#define WITH_THREAD 1" >>confdefs.h
 
     posix_threads=yes
@@ -8663,7 +8664,7 @@
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for usconfig in -lmpc" >&5
 $as_echo_n "checking for usconfig in -lmpc... " >&6; }
-if ${ac_cv_lib_mpc_usconfig+:} false; then :
+if test "${ac_cv_lib_mpc_usconfig+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8697,7 +8698,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_mpc_usconfig" >&5
 $as_echo "$ac_cv_lib_mpc_usconfig" >&6; }
-if test "x$ac_cv_lib_mpc_usconfig" = xyes; then :
+if test "x$ac_cv_lib_mpc_usconfig" = x""yes; then :
   $as_echo "#define WITH_THREAD 1" >>confdefs.h
 
     LIBS="$LIBS -lmpc"
@@ -8709,7 +8710,7 @@
     if test "$posix_threads" != "yes"; then
       { $as_echo "$as_me:${as_lineno-$LINENO}: checking for thr_create in -lthread" >&5
 $as_echo_n "checking for thr_create in -lthread... " >&6; }
-if ${ac_cv_lib_thread_thr_create+:} false; then :
+if test "${ac_cv_lib_thread_thr_create+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8743,7 +8744,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_thread_thr_create" >&5
 $as_echo "$ac_cv_lib_thread_thr_create" >&6; }
-if test "x$ac_cv_lib_thread_thr_create" = xyes; then :
+if test "x$ac_cv_lib_thread_thr_create" = x""yes; then :
   $as_echo "#define WITH_THREAD 1" >>confdefs.h
 
       LIBS="$LIBS -lthread"
@@ -8792,7 +8793,7 @@
 
       { $as_echo "$as_me:${as_lineno-$LINENO}: checking if PTHREAD_SCOPE_SYSTEM is supported" >&5
 $as_echo_n "checking if PTHREAD_SCOPE_SYSTEM is supported... " >&6; }
-      if ${ac_cv_pthread_system_supported+:} false; then :
+      if test "${ac_cv_pthread_system_supported+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test "$cross_compiling" = yes; then :
@@ -8835,7 +8836,7 @@
       for ac_func in pthread_sigmask
 do :
   ac_fn_c_check_func "$LINENO" "pthread_sigmask" "ac_cv_func_pthread_sigmask"
-if test "x$ac_cv_func_pthread_sigmask" = xyes; then :
+if test "x$ac_cv_func_pthread_sigmask" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_PTHREAD_SIGMASK 1
 _ACEOF
@@ -9227,12 +9228,12 @@
 $as_echo "$with_valgrind" >&6; }
 if test "$with_valgrind" != no; then
     ac_fn_c_check_header_mongrel "$LINENO" "valgrind/valgrind.h" "ac_cv_header_valgrind_valgrind_h" "$ac_includes_default"
-if test "x$ac_cv_header_valgrind_valgrind_h" = xyes; then :
+if test "x$ac_cv_header_valgrind_valgrind_h" = x""yes; then :
 
 $as_echo "#define WITH_VALGRIND 1" >>confdefs.h
 
 else
-  as_fn_error $? "Valgrind support requested but headers not available" "$LINENO" 5
+  as_fn_error "Valgrind support requested but headers not available" "$LINENO" 5
 
 fi
 
@@ -9249,7 +9250,7 @@
 for ac_func in dlopen
 do :
   ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen"
-if test "x$ac_cv_func_dlopen" = xyes; then :
+if test "x$ac_cv_func_dlopen" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_DLOPEN 1
 _ACEOF
@@ -9310,23 +9311,25 @@
 
 # checks for library functions
 for ac_func in alarm accept4 setitimer getitimer bind_textdomain_codeset chown \
- clock confstr ctermid execv fchmod fchown fork fpathconf ftime ftruncate \
+ clock confstr ctermid execv faccessat fchmod fchmodat fchown fchownat fork \
+ fpathconf fstatat ftime ftruncate futimesat \
  gai_strerror getgroups getlogin getloadavg getpeername getpgid getpid \
  getpriority getresuid getresgid getpwent getspnam getspent getsid getwd \
- initgroups kill killpg lchmod lchown lstat mbrtowc mkfifo mknod mktime \
- mremap nice pathconf pause plock poll pthread_init \
- putenv readlink realpath \
+ initgroups kill killpg lchmod lchown linkat lstat mbrtowc mkdirat mkfifo \
+ mkfifoat mknod mknodat mktime mremap nice openat pathconf pause plock poll \
+ pthread_init putenv readlink readlinkat realpath renameat \
  select sem_open sem_timedwait sem_getvalue sem_unlink sendfile setegid seteuid \
  setgid \
  setlocale setregid setreuid setresuid setresgid setsid setpgid setpgrp setpriority setuid setvbuf \
- sigaction siginterrupt sigrelse snprintf strftime strlcpy \
+ sigaction siginterrupt sigrelse snprintf strftime strlcpy symlinkat \
  sysconf tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \
- truncate uname unsetenv utimes waitpid wait3 wait4 \
+ truncate uname unlinkat unsetenv utimensat utimes waitpid wait3 wait4 \
  wcscoll wcsftime wcsxfrm _getpty
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
-if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
+eval as_val=\$$as_ac_var
+   if test "x$as_val" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
 _ACEOF
@@ -9576,7 +9579,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for flock declaration" >&5
 $as_echo_n "checking for flock declaration... " >&6; }
-if ${ac_cv_flock_decl+:} false; then :
+if test "${ac_cv_flock_decl+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -9606,7 +9609,7 @@
   for ac_func in flock
 do :
   ac_fn_c_check_func "$LINENO" "flock" "ac_cv_func_flock"
-if test "x$ac_cv_func_flock" = xyes; then :
+if test "x$ac_cv_func_flock" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_FLOCK 1
 _ACEOF
@@ -9614,7 +9617,7 @@
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for flock in -lbsd" >&5
 $as_echo_n "checking for flock in -lbsd... " >&6; }
-if ${ac_cv_lib_bsd_flock+:} false; then :
+if test "${ac_cv_lib_bsd_flock+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -9648,7 +9651,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_bsd_flock" >&5
 $as_echo "$ac_cv_lib_bsd_flock" >&6; }
-if test "x$ac_cv_lib_bsd_flock" = xyes; then :
+if test "x$ac_cv_lib_bsd_flock" = x""yes; then :
   $as_echo "#define HAVE_FLOCK 1" >>confdefs.h
 
 
@@ -9697,7 +9700,7 @@
 set dummy $ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_TRUE+:} false; then :
+if test "${ac_cv_prog_TRUE+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$TRUE"; then
@@ -9737,7 +9740,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for inet_aton in -lc" >&5
 $as_echo_n "checking for inet_aton in -lc... " >&6; }
-if ${ac_cv_lib_c_inet_aton+:} false; then :
+if test "${ac_cv_lib_c_inet_aton+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -9771,12 +9774,12 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_c_inet_aton" >&5
 $as_echo "$ac_cv_lib_c_inet_aton" >&6; }
-if test "x$ac_cv_lib_c_inet_aton" = xyes; then :
+if test "x$ac_cv_lib_c_inet_aton" = x""yes; then :
   $ac_cv_prog_TRUE
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for inet_aton in -lresolv" >&5
 $as_echo_n "checking for inet_aton in -lresolv... " >&6; }
-if ${ac_cv_lib_resolv_inet_aton+:} false; then :
+if test "${ac_cv_lib_resolv_inet_aton+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -9810,7 +9813,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_resolv_inet_aton" >&5
 $as_echo "$ac_cv_lib_resolv_inet_aton" >&6; }
-if test "x$ac_cv_lib_resolv_inet_aton" = xyes; then :
+if test "x$ac_cv_lib_resolv_inet_aton" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBRESOLV 1
 _ACEOF
@@ -9827,7 +9830,7 @@
 # exit Python
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for chflags" >&5
 $as_echo_n "checking for chflags... " >&6; }
-if ${ac_cv_have_chflags+:} false; then :
+if test "${ac_cv_have_chflags+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test "$cross_compiling" = yes; then :
@@ -9861,7 +9864,7 @@
 $as_echo "$ac_cv_have_chflags" >&6; }
 if test "$ac_cv_have_chflags" = cross ; then
   ac_fn_c_check_func "$LINENO" "chflags" "ac_cv_func_chflags"
-if test "x$ac_cv_func_chflags" = xyes; then :
+if test "x$ac_cv_func_chflags" = x""yes; then :
   ac_cv_have_chflags="yes"
 else
   ac_cv_have_chflags="no"
@@ -9876,7 +9879,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for lchflags" >&5
 $as_echo_n "checking for lchflags... " >&6; }
-if ${ac_cv_have_lchflags+:} false; then :
+if test "${ac_cv_have_lchflags+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test "$cross_compiling" = yes; then :
@@ -9910,7 +9913,7 @@
 $as_echo "$ac_cv_have_lchflags" >&6; }
 if test "$ac_cv_have_lchflags" = cross ; then
   ac_fn_c_check_func "$LINENO" "lchflags" "ac_cv_func_lchflags"
-if test "x$ac_cv_func_lchflags" = xyes; then :
+if test "x$ac_cv_func_lchflags" = x""yes; then :
   ac_cv_have_lchflags="yes"
 else
   ac_cv_have_lchflags="no"
@@ -9934,7 +9937,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for inflateCopy in -lz" >&5
 $as_echo_n "checking for inflateCopy in -lz... " >&6; }
-if ${ac_cv_lib_z_inflateCopy+:} false; then :
+if test "${ac_cv_lib_z_inflateCopy+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -9968,7 +9971,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_z_inflateCopy" >&5
 $as_echo "$ac_cv_lib_z_inflateCopy" >&6; }
-if test "x$ac_cv_lib_z_inflateCopy" = xyes; then :
+if test "x$ac_cv_lib_z_inflateCopy" = x""yes; then :
 
 $as_echo "#define HAVE_ZLIB_COPY 1" >>confdefs.h
 
@@ -10111,7 +10114,7 @@
 for ac_func in openpty
 do :
   ac_fn_c_check_func "$LINENO" "openpty" "ac_cv_func_openpty"
-if test "x$ac_cv_func_openpty" = xyes; then :
+if test "x$ac_cv_func_openpty" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_OPENPTY 1
 _ACEOF
@@ -10119,7 +10122,7 @@
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for openpty in -lutil" >&5
 $as_echo_n "checking for openpty in -lutil... " >&6; }
-if ${ac_cv_lib_util_openpty+:} false; then :
+if test "${ac_cv_lib_util_openpty+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -10153,13 +10156,13 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_util_openpty" >&5
 $as_echo "$ac_cv_lib_util_openpty" >&6; }
-if test "x$ac_cv_lib_util_openpty" = xyes; then :
+if test "x$ac_cv_lib_util_openpty" = x""yes; then :
   $as_echo "#define HAVE_OPENPTY 1" >>confdefs.h
  LIBS="$LIBS -lutil"
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for openpty in -lbsd" >&5
 $as_echo_n "checking for openpty in -lbsd... " >&6; }
-if ${ac_cv_lib_bsd_openpty+:} false; then :
+if test "${ac_cv_lib_bsd_openpty+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -10193,7 +10196,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_bsd_openpty" >&5
 $as_echo "$ac_cv_lib_bsd_openpty" >&6; }
-if test "x$ac_cv_lib_bsd_openpty" = xyes; then :
+if test "x$ac_cv_lib_bsd_openpty" = x""yes; then :
   $as_echo "#define HAVE_OPENPTY 1" >>confdefs.h
  LIBS="$LIBS -lbsd"
 fi
@@ -10208,7 +10211,7 @@
 for ac_func in forkpty
 do :
   ac_fn_c_check_func "$LINENO" "forkpty" "ac_cv_func_forkpty"
-if test "x$ac_cv_func_forkpty" = xyes; then :
+if test "x$ac_cv_func_forkpty" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_FORKPTY 1
 _ACEOF
@@ -10216,7 +10219,7 @@
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for forkpty in -lutil" >&5
 $as_echo_n "checking for forkpty in -lutil... " >&6; }
-if ${ac_cv_lib_util_forkpty+:} false; then :
+if test "${ac_cv_lib_util_forkpty+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -10250,13 +10253,13 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_util_forkpty" >&5
 $as_echo "$ac_cv_lib_util_forkpty" >&6; }
-if test "x$ac_cv_lib_util_forkpty" = xyes; then :
+if test "x$ac_cv_lib_util_forkpty" = x""yes; then :
   $as_echo "#define HAVE_FORKPTY 1" >>confdefs.h
  LIBS="$LIBS -lutil"
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for forkpty in -lbsd" >&5
 $as_echo_n "checking for forkpty in -lbsd... " >&6; }
-if ${ac_cv_lib_bsd_forkpty+:} false; then :
+if test "${ac_cv_lib_bsd_forkpty+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -10290,7 +10293,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_bsd_forkpty" >&5
 $as_echo "$ac_cv_lib_bsd_forkpty" >&6; }
-if test "x$ac_cv_lib_bsd_forkpty" = xyes; then :
+if test "x$ac_cv_lib_bsd_forkpty" = x""yes; then :
   $as_echo "#define HAVE_FORKPTY 1" >>confdefs.h
  LIBS="$LIBS -lbsd"
 fi
@@ -10307,7 +10310,7 @@
 for ac_func in memmove
 do :
   ac_fn_c_check_func "$LINENO" "memmove" "ac_cv_func_memmove"
-if test "x$ac_cv_func_memmove" = xyes; then :
+if test "x$ac_cv_func_memmove" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_MEMMOVE 1
 _ACEOF
@@ -10321,7 +10324,8 @@
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
-if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
+eval as_val=\$$as_ac_var
+   if test "x$as_val" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
 _ACEOF
@@ -10330,50 +10334,31 @@
 done
 
 
-ac_fn_c_check_func "$LINENO" "dup2" "ac_cv_func_dup2"
-if test "x$ac_cv_func_dup2" = xyes; then :
-  $as_echo "#define HAVE_DUP2 1" >>confdefs.h
+for ac_func in dup2 getcwd strdup
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+eval as_val=\$$as_ac_var
+   if test "x$as_val" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
 
 else
   case " $LIBOBJS " in
-  *" dup2.$ac_objext "* ) ;;
-  *) LIBOBJS="$LIBOBJS dup2.$ac_objext"
+  *" $ac_func.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS $ac_func.$ac_objext"
  ;;
 esac
 
 fi
-
-ac_fn_c_check_func "$LINENO" "getcwd" "ac_cv_func_getcwd"
-if test "x$ac_cv_func_getcwd" = xyes; then :
-  $as_echo "#define HAVE_GETCWD 1" >>confdefs.h
-
-else
-  case " $LIBOBJS " in
-  *" getcwd.$ac_objext "* ) ;;
-  *) LIBOBJS="$LIBOBJS getcwd.$ac_objext"
- ;;
-esac
-
-fi
-
-ac_fn_c_check_func "$LINENO" "strdup" "ac_cv_func_strdup"
-if test "x$ac_cv_func_strdup" = xyes; then :
-  $as_echo "#define HAVE_STRDUP 1" >>confdefs.h
-
-else
-  case " $LIBOBJS " in
-  *" strdup.$ac_objext "* ) ;;
-  *) LIBOBJS="$LIBOBJS strdup.$ac_objext"
- ;;
-esac
-
-fi
+done
 
 
 for ac_func in getpgrp
 do :
   ac_fn_c_check_func "$LINENO" "getpgrp" "ac_cv_func_getpgrp"
-if test "x$ac_cv_func_getpgrp" = xyes; then :
+if test "x$ac_cv_func_getpgrp" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_GETPGRP 1
 _ACEOF
@@ -10401,7 +10386,7 @@
 for ac_func in setpgrp
 do :
   ac_fn_c_check_func "$LINENO" "setpgrp" "ac_cv_func_setpgrp"
-if test "x$ac_cv_func_setpgrp" = xyes; then :
+if test "x$ac_cv_func_setpgrp" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_SETPGRP 1
 _ACEOF
@@ -10429,7 +10414,7 @@
 for ac_func in gettimeofday
 do :
   ac_fn_c_check_func "$LINENO" "gettimeofday" "ac_cv_func_gettimeofday"
-if test "x$ac_cv_func_gettimeofday" = xyes; then :
+if test "x$ac_cv_func_gettimeofday" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_GETTIMEOFDAY 1
 _ACEOF
@@ -10531,7 +10516,7 @@
 then
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking getaddrinfo bug" >&5
 $as_echo_n "checking getaddrinfo bug... " >&6; }
-  if ${ac_cv_buggy_getaddrinfo+:} false; then :
+  if test "${ac_cv_buggy_getaddrinfo+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test "$cross_compiling" = yes; then :
@@ -10660,7 +10645,7 @@
 for ac_func in getnameinfo
 do :
   ac_fn_c_check_func "$LINENO" "getnameinfo" "ac_cv_func_getnameinfo"
-if test "x$ac_cv_func_getnameinfo" = xyes; then :
+if test "x$ac_cv_func_getnameinfo" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_GETNAMEINFO 1
 _ACEOF
@@ -10672,7 +10657,7 @@
 # checks for structures
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether time.h and sys/time.h may both be included" >&5
 $as_echo_n "checking whether time.h and sys/time.h may both be included... " >&6; }
-if ${ac_cv_header_time+:} false; then :
+if test "${ac_cv_header_time+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -10707,7 +10692,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct tm is in sys/time.h or time.h" >&5
 $as_echo_n "checking whether struct tm is in sys/time.h or time.h... " >&6; }
-if ${ac_cv_struct_tm+:} false; then :
+if test "${ac_cv_struct_tm+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -10744,7 +10729,7 @@
 #include <$ac_cv_struct_tm>
 
 "
-if test "x$ac_cv_member_struct_tm_tm_zone" = xyes; then :
+if test "x$ac_cv_member_struct_tm_tm_zone" = x""yes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_STRUCT_TM_TM_ZONE 1
@@ -10760,7 +10745,7 @@
 else
   ac_fn_c_check_decl "$LINENO" "tzname" "ac_cv_have_decl_tzname" "#include <time.h>
 "
-if test "x$ac_cv_have_decl_tzname" = xyes; then :
+if test "x$ac_cv_have_decl_tzname" = x""yes; then :
   ac_have_decl=1
 else
   ac_have_decl=0
@@ -10772,7 +10757,7 @@
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for tzname" >&5
 $as_echo_n "checking for tzname... " >&6; }
-if ${ac_cv_var_tzname+:} false; then :
+if test "${ac_cv_var_tzname+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -10808,7 +10793,7 @@
 fi
 
 ac_fn_c_check_member "$LINENO" "struct stat" "st_rdev" "ac_cv_member_struct_stat_st_rdev" "$ac_includes_default"
-if test "x$ac_cv_member_struct_stat_st_rdev" = xyes; then :
+if test "x$ac_cv_member_struct_stat_st_rdev" = x""yes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_STRUCT_STAT_ST_RDEV 1
@@ -10818,7 +10803,7 @@
 fi
 
 ac_fn_c_check_member "$LINENO" "struct stat" "st_blksize" "ac_cv_member_struct_stat_st_blksize" "$ac_includes_default"
-if test "x$ac_cv_member_struct_stat_st_blksize" = xyes; then :
+if test "x$ac_cv_member_struct_stat_st_blksize" = x""yes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_STRUCT_STAT_ST_BLKSIZE 1
@@ -10828,7 +10813,7 @@
 fi
 
 ac_fn_c_check_member "$LINENO" "struct stat" "st_flags" "ac_cv_member_struct_stat_st_flags" "$ac_includes_default"
-if test "x$ac_cv_member_struct_stat_st_flags" = xyes; then :
+if test "x$ac_cv_member_struct_stat_st_flags" = x""yes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_STRUCT_STAT_ST_FLAGS 1
@@ -10838,7 +10823,7 @@
 fi
 
 ac_fn_c_check_member "$LINENO" "struct stat" "st_gen" "ac_cv_member_struct_stat_st_gen" "$ac_includes_default"
-if test "x$ac_cv_member_struct_stat_st_gen" = xyes; then :
+if test "x$ac_cv_member_struct_stat_st_gen" = x""yes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_STRUCT_STAT_ST_GEN 1
@@ -10848,7 +10833,7 @@
 fi
 
 ac_fn_c_check_member "$LINENO" "struct stat" "st_birthtime" "ac_cv_member_struct_stat_st_birthtime" "$ac_includes_default"
-if test "x$ac_cv_member_struct_stat_st_birthtime" = xyes; then :
+if test "x$ac_cv_member_struct_stat_st_birthtime" = x""yes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_STRUCT_STAT_ST_BIRTHTIME 1
@@ -10858,7 +10843,7 @@
 fi
 
 ac_fn_c_check_member "$LINENO" "struct stat" "st_blocks" "ac_cv_member_struct_stat_st_blocks" "$ac_includes_default"
-if test "x$ac_cv_member_struct_stat_st_blocks" = xyes; then :
+if test "x$ac_cv_member_struct_stat_st_blocks" = x""yes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_STRUCT_STAT_ST_BLOCKS 1
@@ -10880,7 +10865,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for time.h that defines altzone" >&5
 $as_echo_n "checking for time.h that defines altzone... " >&6; }
-if ${ac_cv_header_time_altzone+:} false; then :
+if test "${ac_cv_header_time_altzone+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -10944,7 +10929,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for addrinfo" >&5
 $as_echo_n "checking for addrinfo... " >&6; }
-if ${ac_cv_struct_addrinfo+:} false; then :
+if test "${ac_cv_struct_addrinfo+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -10976,7 +10961,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sockaddr_storage" >&5
 $as_echo_n "checking for sockaddr_storage... " >&6; }
-if ${ac_cv_struct_sockaddr_storage+:} false; then :
+if test "${ac_cv_struct_sockaddr_storage+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -11012,7 +10997,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether char is unsigned" >&5
 $as_echo_n "checking whether char is unsigned... " >&6; }
-if ${ac_cv_c_char_unsigned+:} false; then :
+if test "${ac_cv_c_char_unsigned+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -11044,7 +11029,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for an ANSI C-conforming const" >&5
 $as_echo_n "checking for an ANSI C-conforming const... " >&6; }
-if ${ac_cv_c_const+:} false; then :
+if test "${ac_cv_c_const+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -11332,7 +11317,7 @@
 
 
 ac_fn_c_check_func "$LINENO" "gethostbyname_r" "ac_cv_func_gethostbyname_r"
-if test "x$ac_cv_func_gethostbyname_r" = xyes; then :
+if test "x$ac_cv_func_gethostbyname_r" = x""yes; then :
 
   $as_echo "#define HAVE_GETHOSTBYNAME_R 1" >>confdefs.h
 
@@ -11463,7 +11448,7 @@
   for ac_func in gethostbyname
 do :
   ac_fn_c_check_func "$LINENO" "gethostbyname" "ac_cv_func_gethostbyname"
-if test "x$ac_cv_func_gethostbyname" = xyes; then :
+if test "x$ac_cv_func_gethostbyname" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_GETHOSTBYNAME 1
 _ACEOF
@@ -11485,12 +11470,12 @@
 
 # Linux requires this for correct f.p. operations
 ac_fn_c_check_func "$LINENO" "__fpu_control" "ac_cv_func___fpu_control"
-if test "x$ac_cv_func___fpu_control" = xyes; then :
+if test "x$ac_cv_func___fpu_control" = x""yes; then :
 
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __fpu_control in -lieee" >&5
 $as_echo_n "checking for __fpu_control in -lieee... " >&6; }
-if ${ac_cv_lib_ieee___fpu_control+:} false; then :
+if test "${ac_cv_lib_ieee___fpu_control+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -11524,7 +11509,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ieee___fpu_control" >&5
 $as_echo "$ac_cv_lib_ieee___fpu_control" >&6; }
-if test "x$ac_cv_lib_ieee___fpu_control" = xyes; then :
+if test "x$ac_cv_lib_ieee___fpu_control" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBIEEE 1
 _ACEOF
@@ -11580,7 +11565,7 @@
 then LIBM=$withval
      { $as_echo "$as_me:${as_lineno-$LINENO}: result: set LIBM=\"$withval\"" >&5
 $as_echo "set LIBM=\"$withval\"" >&6; }
-else as_fn_error $? "proper usage is --with-libm=STRING" "$LINENO" 5
+else as_fn_error "proper usage is --with-libm=STRING" "$LINENO" 5
 fi
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: default LIBM=\"$LIBM\"" >&5
@@ -11604,7 +11589,7 @@
 then LIBC=$withval
      { $as_echo "$as_me:${as_lineno-$LINENO}: result: set LIBC=\"$withval\"" >&5
 $as_echo "set LIBC=\"$withval\"" >&6; }
-else as_fn_error $? "proper usage is --with-libc=STRING" "$LINENO" 5
+else as_fn_error "proper usage is --with-libc=STRING" "$LINENO" 5
 fi
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: default LIBC=\"$LIBC\"" >&5
@@ -11618,7 +11603,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C doubles are little-endian IEEE 754 binary64" >&5
 $as_echo_n "checking whether C doubles are little-endian IEEE 754 binary64... " >&6; }
-if ${ac_cv_little_endian_double+:} false; then :
+if test "${ac_cv_little_endian_double+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -11660,7 +11645,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C doubles are big-endian IEEE 754 binary64" >&5
 $as_echo_n "checking whether C doubles are big-endian IEEE 754 binary64... " >&6; }
-if ${ac_cv_big_endian_double+:} false; then :
+if test "${ac_cv_big_endian_double+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -11706,7 +11691,7 @@
 # conversions work.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C doubles are ARM mixed-endian IEEE 754 binary64" >&5
 $as_echo_n "checking whether C doubles are ARM mixed-endian IEEE 754 binary64... " >&6; }
-if ${ac_cv_mixed_endian_double+:} false; then :
+if test "${ac_cv_mixed_endian_double+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -11854,7 +11839,8 @@
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
-if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
+eval as_val=\$$as_ac_var
+   if test "x$as_val" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
 _ACEOF
@@ -11866,7 +11852,8 @@
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
-if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
+eval as_val=\$$as_ac_var
+   if test "x$as_val" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
 _ACEOF
@@ -11876,7 +11863,7 @@
 
 ac_fn_c_check_decl "$LINENO" "isinf" "ac_cv_have_decl_isinf" "#include <math.h>
 "
-if test "x$ac_cv_have_decl_isinf" = xyes; then :
+if test "x$ac_cv_have_decl_isinf" = x""yes; then :
   ac_have_decl=1
 else
   ac_have_decl=0
@@ -11887,7 +11874,7 @@
 _ACEOF
 ac_fn_c_check_decl "$LINENO" "isnan" "ac_cv_have_decl_isnan" "#include <math.h>
 "
-if test "x$ac_cv_have_decl_isnan" = xyes; then :
+if test "x$ac_cv_have_decl_isnan" = x""yes; then :
   ac_have_decl=1
 else
   ac_have_decl=0
@@ -11898,7 +11885,7 @@
 _ACEOF
 ac_fn_c_check_decl "$LINENO" "isfinite" "ac_cv_have_decl_isfinite" "#include <math.h>
 "
-if test "x$ac_cv_have_decl_isfinite" = xyes; then :
+if test "x$ac_cv_have_decl_isfinite" = x""yes; then :
   ac_have_decl=1
 else
   ac_have_decl=0
@@ -11913,7 +11900,7 @@
 # -0. on some architectures.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether tanh preserves the sign of zero" >&5
 $as_echo_n "checking whether tanh preserves the sign of zero... " >&6; }
-if ${ac_cv_tanh_preserves_zero_sign+:} false; then :
+if test "${ac_cv_tanh_preserves_zero_sign+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -11961,7 +11948,7 @@
     # -0.  See issue #9920.
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether log1p drops the sign of negative zero" >&5
 $as_echo_n "checking whether log1p drops the sign of negative zero... " >&6; }
-    if ${ac_cv_log1p_drops_zero_sign+:} false; then :
+    if test "${ac_cv_log1p_drops_zero_sign+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -12013,7 +12000,7 @@
 # sem_open results in a 'Signal 12' error.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether POSIX semaphores are enabled" >&5
 $as_echo_n "checking whether POSIX semaphores are enabled... " >&6; }
-if ${ac_cv_posix_semaphores_enabled+:} false; then :
+if test "${ac_cv_posix_semaphores_enabled+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test "$cross_compiling" = yes; then :
@@ -12064,7 +12051,7 @@
 # Multiprocessing check for broken sem_getvalue
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for broken sem_getvalue" >&5
 $as_echo_n "checking for broken sem_getvalue... " >&6; }
-if ${ac_cv_broken_sem_getvalue+:} false; then :
+if test "${ac_cv_broken_sem_getvalue+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test "$cross_compiling" = yes; then :
@@ -12129,7 +12116,7 @@
 15|30)
   ;;
 *)
-  as_fn_error $? "bad value $enable_big_digits for --enable-big-digits; value should be 15 or 30" "$LINENO" 5 ;;
+  as_fn_error "bad value $enable_big_digits for --enable-big-digits; value should be 15 or 30" "$LINENO" 5 ;;
 esac
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_big_digits" >&5
 $as_echo "$enable_big_digits" >&6; }
@@ -12147,7 +12134,7 @@
 
 # check for wchar.h
 ac_fn_c_check_header_mongrel "$LINENO" "wchar.h" "ac_cv_header_wchar_h" "$ac_includes_default"
-if test "x$ac_cv_header_wchar_h" = xyes; then :
+if test "x$ac_cv_header_wchar_h" = x""yes; then :
 
 
 $as_echo "#define HAVE_WCHAR_H 1" >>confdefs.h
@@ -12170,7 +12157,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of wchar_t" >&5
 $as_echo_n "checking size of wchar_t... " >&6; }
-if ${ac_cv_sizeof_wchar_t+:} false; then :
+if test "${ac_cv_sizeof_wchar_t+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (wchar_t))" "ac_cv_sizeof_wchar_t"        "#include <wchar.h>
@@ -12180,8 +12167,9 @@
   if test "$ac_cv_type_wchar_t" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (wchar_t)
-See \`config.log' for more details" "$LINENO" 5; }
+{ as_fn_set_status 77
+as_fn_error "cannot compute sizeof (wchar_t)
+See \`config.log' for more details." "$LINENO" 5; }; }
    else
      ac_cv_sizeof_wchar_t=0
    fi
@@ -12236,7 +12224,7 @@
   # check whether wchar_t is signed or not
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether wchar_t is signed" >&5
 $as_echo_n "checking whether wchar_t is signed... " >&6; }
-  if ${ac_cv_wchar_t_signed+:} false; then :
+  if test "${ac_cv_wchar_t_signed+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -12332,7 +12320,7 @@
 # check for endianness
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether byte ordering is bigendian" >&5
 $as_echo_n "checking whether byte ordering is bigendian... " >&6; }
-if ${ac_cv_c_bigendian+:} false; then :
+if test "${ac_cv_c_bigendian+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_c_bigendian=unknown
@@ -12550,7 +12538,7 @@
 
      ;; #(
    *)
-     as_fn_error $? "unknown endianness
+     as_fn_error "unknown endianness
  presetting ac_cv_c_bigendian=no (or yes) will help" "$LINENO" 5 ;;
  esac
 
@@ -12623,7 +12611,7 @@
 # or fills with zeros (like the Cray J90, according to Tim Peters).
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether right shift extends the sign bit" >&5
 $as_echo_n "checking whether right shift extends the sign bit... " >&6; }
-if ${ac_cv_rshift_extends_sign+:} false; then :
+if test "${ac_cv_rshift_extends_sign+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -12662,7 +12650,7 @@
 # check for getc_unlocked and related locking functions
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for getc_unlocked() and friends" >&5
 $as_echo_n "checking for getc_unlocked() and friends... " >&6; }
-if ${ac_cv_have_getc_unlocked+:} false; then :
+if test "${ac_cv_have_getc_unlocked+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -12760,7 +12748,7 @@
 # check for readline 2.1
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for rl_callback_handler_install in -lreadline" >&5
 $as_echo_n "checking for rl_callback_handler_install in -lreadline... " >&6; }
-if ${ac_cv_lib_readline_rl_callback_handler_install+:} false; then :
+if test "${ac_cv_lib_readline_rl_callback_handler_install+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -12794,7 +12782,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_readline_rl_callback_handler_install" >&5
 $as_echo "$ac_cv_lib_readline_rl_callback_handler_install" >&6; }
-if test "x$ac_cv_lib_readline_rl_callback_handler_install" = xyes; then :
+if test "x$ac_cv_lib_readline_rl_callback_handler_install" = x""yes; then :
 
 $as_echo "#define HAVE_RL_CALLBACK 1" >>confdefs.h
 
@@ -12812,7 +12800,7 @@
   have_readline=no
 
 fi
-rm -f conftest.err conftest.i conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 if test $have_readline = yes
 then
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -12846,7 +12834,7 @@
 # check for readline 4.0
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for rl_pre_input_hook in -lreadline" >&5
 $as_echo_n "checking for rl_pre_input_hook in -lreadline... " >&6; }
-if ${ac_cv_lib_readline_rl_pre_input_hook+:} false; then :
+if test "${ac_cv_lib_readline_rl_pre_input_hook+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -12880,7 +12868,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_readline_rl_pre_input_hook" >&5
 $as_echo "$ac_cv_lib_readline_rl_pre_input_hook" >&6; }
-if test "x$ac_cv_lib_readline_rl_pre_input_hook" = xyes; then :
+if test "x$ac_cv_lib_readline_rl_pre_input_hook" = x""yes; then :
 
 $as_echo "#define HAVE_RL_PRE_INPUT_HOOK 1" >>confdefs.h
 
@@ -12890,7 +12878,7 @@
 # also in 4.0
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for rl_completion_display_matches_hook in -lreadline" >&5
 $as_echo_n "checking for rl_completion_display_matches_hook in -lreadline... " >&6; }
-if ${ac_cv_lib_readline_rl_completion_display_matches_hook+:} false; then :
+if test "${ac_cv_lib_readline_rl_completion_display_matches_hook+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -12924,7 +12912,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_readline_rl_completion_display_matches_hook" >&5
 $as_echo "$ac_cv_lib_readline_rl_completion_display_matches_hook" >&6; }
-if test "x$ac_cv_lib_readline_rl_completion_display_matches_hook" = xyes; then :
+if test "x$ac_cv_lib_readline_rl_completion_display_matches_hook" = x""yes; then :
 
 $as_echo "#define HAVE_RL_COMPLETION_DISPLAY_MATCHES_HOOK 1" >>confdefs.h
 
@@ -12934,7 +12922,7 @@
 # check for readline 4.2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for rl_completion_matches in -lreadline" >&5
 $as_echo_n "checking for rl_completion_matches in -lreadline... " >&6; }
-if ${ac_cv_lib_readline_rl_completion_matches+:} false; then :
+if test "${ac_cv_lib_readline_rl_completion_matches+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -12968,7 +12956,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_readline_rl_completion_matches" >&5
 $as_echo "$ac_cv_lib_readline_rl_completion_matches" >&6; }
-if test "x$ac_cv_lib_readline_rl_completion_matches" = xyes; then :
+if test "x$ac_cv_lib_readline_rl_completion_matches" = x""yes; then :
 
 $as_echo "#define HAVE_RL_COMPLETION_MATCHES 1" >>confdefs.h
 
@@ -12986,7 +12974,7 @@
   have_readline=no
 
 fi
-rm -f conftest.err conftest.i conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 if test $have_readline = yes
 then
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -13009,7 +12997,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for broken nice()" >&5
 $as_echo_n "checking for broken nice()... " >&6; }
-if ${ac_cv_broken_nice+:} false; then :
+if test "${ac_cv_broken_nice+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -13050,7 +13038,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for broken poll()" >&5
 $as_echo_n "checking for broken poll()... " >&6; }
-if ${ac_cv_broken_poll+:} false; then :
+if test "${ac_cv_broken_poll+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test "$cross_compiling" = yes; then :
@@ -13105,7 +13093,7 @@
 #include <$ac_cv_struct_tm>
 
 "
-if test "x$ac_cv_member_struct_tm_tm_zone" = xyes; then :
+if test "x$ac_cv_member_struct_tm_tm_zone" = x""yes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_STRUCT_TM_TM_ZONE 1
@@ -13121,7 +13109,7 @@
 else
   ac_fn_c_check_decl "$LINENO" "tzname" "ac_cv_have_decl_tzname" "#include <time.h>
 "
-if test "x$ac_cv_have_decl_tzname" = xyes; then :
+if test "x$ac_cv_have_decl_tzname" = x""yes; then :
   ac_have_decl=1
 else
   ac_have_decl=0
@@ -13133,7 +13121,7 @@
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for tzname" >&5
 $as_echo_n "checking for tzname... " >&6; }
-if ${ac_cv_var_tzname+:} false; then :
+if test "${ac_cv_var_tzname+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -13172,7 +13160,7 @@
 # check tzset(3) exists and works like we expect it to
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working tzset()" >&5
 $as_echo_n "checking for working tzset()... " >&6; }
-if ${ac_cv_working_tzset+:} false; then :
+if test "${ac_cv_working_tzset+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -13269,7 +13257,7 @@
 # Look for subsecond timestamps in struct stat
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for tv_nsec in struct stat" >&5
 $as_echo_n "checking for tv_nsec in struct stat... " >&6; }
-if ${ac_cv_stat_tv_nsec+:} false; then :
+if test "${ac_cv_stat_tv_nsec+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -13306,7 +13294,7 @@
 # Look for BSD style subsecond timestamps in struct stat
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for tv_nsec2 in struct stat" >&5
 $as_echo_n "checking for tv_nsec2 in struct stat... " >&6; }
-if ${ac_cv_stat_tv_nsec2+:} false; then :
+if test "${ac_cv_stat_tv_nsec2+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -13343,7 +13331,7 @@
 # On HP/UX 11.0, mvwdelch is a block with a return statement
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether mvwdelch is an expression" >&5
 $as_echo_n "checking whether mvwdelch is an expression... " >&6; }
-if ${ac_cv_mvwdelch_is_expression+:} false; then :
+if test "${ac_cv_mvwdelch_is_expression+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -13380,7 +13368,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether WINDOW has _flags" >&5
 $as_echo_n "checking whether WINDOW has _flags... " >&6; }
-if ${ac_cv_window_has_flags+:} false; then :
+if test "${ac_cv_window_has_flags+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -13528,7 +13516,7 @@
 then
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for %lld and %llu printf() format support" >&5
 $as_echo_n "checking for %lld and %llu printf() format support... " >&6; }
-  if ${ac_cv_have_long_long_format+:} false; then :
+  if test "${ac_cv_have_long_long_format+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test "$cross_compiling" = yes; then :
@@ -13598,7 +13586,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for %zd printf() format support" >&5
 $as_echo_n "checking for %zd printf() format support... " >&6; }
-if ${ac_cv_have_size_t_format+:} false; then :
+if test "${ac_cv_have_size_t_format+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test "$cross_compiling" = yes; then :
@@ -13671,7 +13659,7 @@
 #endif
 
 "
-if test "x$ac_cv_type_socklen_t" = xyes; then :
+if test "x$ac_cv_type_socklen_t" = x""yes; then :
 
 else
 
@@ -13682,7 +13670,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for broken mbstowcs" >&5
 $as_echo_n "checking for broken mbstowcs... " >&6; }
-if ${ac_cv_broken_mbstowcs+:} false; then :
+if test "${ac_cv_broken_mbstowcs+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test "$cross_compiling" = yes; then :
@@ -13722,7 +13710,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports computed gotos" >&5
 $as_echo_n "checking whether $CC supports computed gotos... " >&6; }
-if ${ac_cv_computed_gotos+:} false; then :
+if test "${ac_cv_computed_gotos+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test "$cross_compiling" = yes; then :
@@ -13802,11 +13790,11 @@
 
 
 case $ac_sys_system in
-  OSF*) as_fn_error $? "OSF* systems are deprecated unless somebody volunteers. Check http://bugs.python.org/issue8606" "$LINENO" 5 ;;
+  OSF*) as_fn_error "OSF* systems are deprecated unless somebody volunteers. Check http://bugs.python.org/issue8606" "$LINENO" 5 ;;
 esac
 
 ac_fn_c_check_func "$LINENO" "pipe2" "ac_cv_func_pipe2"
-if test "x$ac_cv_func_pipe2" = xyes; then :
+if test "x$ac_cv_func_pipe2" = x""yes; then :
 
 $as_echo "#define HAVE_PIPE2 1" >>confdefs.h
 
@@ -13901,21 +13889,10 @@
      :end' >>confcache
 if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
   if test -w "$cache_file"; then
-    if test "x$cache_file" != "x/dev/null"; then
+    test "x$cache_file" != "x/dev/null" &&
       { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
 $as_echo "$as_me: updating cache $cache_file" >&6;}
-      if test ! -f "$cache_file" || test -h "$cache_file"; then
-	cat confcache >"$cache_file"
-      else
-        case $cache_file in #(
-        */* | ?:*)
-	  mv -f confcache "$cache_file"$$ &&
-	  mv -f "$cache_file"$$ "$cache_file" ;; #(
-        *)
-	  mv -f confcache "$cache_file" ;;
-	esac
-      fi
-    fi
+    cat confcache >$cache_file
   else
     { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
 $as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
@@ -13931,7 +13908,6 @@
 
 ac_libobjs=
 ac_ltlibobjs=
-U=
 for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
   # 1. Remove the extension, and $U if already installed.
   ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
@@ -13948,7 +13924,7 @@
 
 
 
-: "${CONFIG_STATUS=./config.status}"
+: ${CONFIG_STATUS=./config.status}
 ac_write_fail=0
 ac_clean_files_save=$ac_clean_files
 ac_clean_files="$ac_clean_files $CONFIG_STATUS"
@@ -14049,7 +14025,6 @@
 IFS=" ""	$as_nl"
 
 # Find who we are.  Look in the path if we contain no directory separator.
-as_myself=
 case $0 in #((
   *[\\/]* ) as_myself=$0 ;;
   *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -14095,19 +14070,19 @@
 (unset CDPATH) >/dev/null 2>&1 && unset CDPATH
 
 
-# as_fn_error STATUS ERROR [LINENO LOG_FD]
-# ----------------------------------------
+# as_fn_error ERROR [LINENO LOG_FD]
+# ---------------------------------
 # Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
 # provided, also output the error to LOG_FD, referencing LINENO. Then exit the
-# script with STATUS, using 1 if that was 0.
+# script with status $?, using 1 if that was 0.
 as_fn_error ()
 {
-  as_status=$1; test $as_status -eq 0 && as_status=1
-  if test "$4"; then
-    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+  as_status=$?; test $as_status -eq 0 && as_status=1
+  if test "$3"; then
+    as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3
   fi
-  $as_echo "$as_me: error: $2" >&2
+  $as_echo "$as_me: error: $1" >&2
   as_fn_exit $as_status
 } # as_fn_error
 
@@ -14303,7 +14278,7 @@
       test -d "$as_dir" && break
     done
     test -z "$as_dirs" || eval "mkdir $as_dirs"
-  } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
+  } || test -d "$as_dir" || as_fn_error "cannot create directory $as_dir"
 
 
 } # as_fn_mkdir_p
@@ -14357,7 +14332,7 @@
 # values after options handling.
 ac_log="
 This file was extended by python $as_me 3.3, which was
-generated by GNU Autoconf 2.68.  Invocation command line was
+generated by GNU Autoconf 2.65.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -14381,8 +14356,8 @@
 
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 # Files that config.status was made for.
-config_files="$ac_config_files"
-config_headers="$ac_config_headers"
+config_files="`echo $ac_config_files`"
+config_headers="`echo $ac_config_headers`"
 
 _ACEOF
 
@@ -14419,10 +14394,10 @@
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
 python config.status 3.3
-configured by $0, generated by GNU Autoconf 2.68,
+configured by $0, generated by GNU Autoconf 2.65,
   with options \\"\$ac_cs_config\\"
 
-Copyright (C) 2010 Free Software Foundation, Inc.
+Copyright (C) 2009 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
 
@@ -14438,16 +14413,11 @@
 while test $# != 0
 do
   case $1 in
-  --*=?*)
+  --*=*)
     ac_option=`expr "X$1" : 'X\([^=]*\)='`
     ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'`
     ac_shift=:
     ;;
-  --*=)
-    ac_option=`expr "X$1" : 'X\([^=]*\)='`
-    ac_optarg=
-    ac_shift=:
-    ;;
   *)
     ac_option=$1
     ac_optarg=$2
@@ -14469,7 +14439,6 @@
     $ac_shift
     case $ac_optarg in
     *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
-    '') as_fn_error $? "missing file argument" ;;
     esac
     as_fn_append CONFIG_FILES " '$ac_optarg'"
     ac_need_defaults=false;;
@@ -14482,7 +14451,7 @@
     ac_need_defaults=false;;
   --he | --h)
     # Conflict between --help and --header
-    as_fn_error $? "ambiguous option: \`$1'
+    as_fn_error "ambiguous option: \`$1'
 Try \`$0 --help' for more information.";;
   --help | --hel | -h )
     $as_echo "$ac_cs_usage"; exit ;;
@@ -14491,7 +14460,7 @@
     ac_cs_silent=: ;;
 
   # This is an error.
-  -*) as_fn_error $? "unrecognized option: \`$1'
+  -*) as_fn_error "unrecognized option: \`$1'
 Try \`$0 --help' for more information." ;;
 
   *) as_fn_append ac_config_targets " $1"
@@ -14550,7 +14519,7 @@
     "Misc/python.pc") CONFIG_FILES="$CONFIG_FILES Misc/python.pc" ;;
     "Modules/ld_so_aix") CONFIG_FILES="$CONFIG_FILES Modules/ld_so_aix" ;;
 
-  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
+  *) as_fn_error "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
   esac
 done
 
@@ -14572,10 +14541,9 @@
 # after its creation but before its name has been assigned to `$tmp'.
 $debug ||
 {
-  tmp= ac_tmp=
+  tmp=
   trap 'exit_status=$?
-  : "${ac_tmp:=$tmp}"
-  { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status
+  { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status
 ' 0
   trap 'as_fn_exit 1' 1 2 13 15
 }
@@ -14583,13 +14551,12 @@
 
 {
   tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
-  test -d "$tmp"
+  test -n "$tmp" && test -d "$tmp"
 }  ||
 {
   tmp=./conf$$-$RANDOM
   (umask 077 && mkdir "$tmp")
-} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5
-ac_tmp=$tmp
+} || as_fn_error "cannot create a temporary directory in ." "$LINENO" 5
 
 # Set up the scripts for CONFIG_FILES section.
 # No need to generate them if there are no CONFIG_FILES.
@@ -14606,12 +14573,12 @@
 fi
 ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null`
 if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then
-  ac_cs_awk_cr='\\r'
+  ac_cs_awk_cr='\r'
 else
   ac_cs_awk_cr=$ac_cr
 fi
 
-echo 'BEGIN {' >"$ac_tmp/subs1.awk" &&
+echo 'BEGIN {' >"$tmp/subs1.awk" &&
 _ACEOF
 
 
@@ -14620,18 +14587,18 @@
   echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' &&
   echo "_ACEOF"
 } >conf$$subs.sh ||
-  as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
-ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'`
+  as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
+ac_delim_num=`echo "$ac_subst_vars" | grep -c '$'`
 ac_delim='%!_!# '
 for ac_last_try in false false false false false :; do
   . ./conf$$subs.sh ||
-    as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
+    as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
 
   ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X`
   if test $ac_delim_n = $ac_delim_num; then
     break
   elif $ac_last_try; then
-    as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
+    as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
   else
     ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
   fi
@@ -14639,7 +14606,7 @@
 rm -f conf$$subs.sh
 
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK &&
+cat >>"\$tmp/subs1.awk" <<\\_ACAWK &&
 _ACEOF
 sed -n '
 h
@@ -14687,7 +14654,7 @@
 rm -f conf$$subs.awk
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 _ACAWK
-cat >>"\$ac_tmp/subs1.awk" <<_ACAWK &&
+cat >>"\$tmp/subs1.awk" <<_ACAWK &&
   for (key in S) S_is_set[key] = 1
   FS = ""
 
@@ -14719,29 +14686,21 @@
   sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
 else
   cat
-fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \
-  || as_fn_error $? "could not setup config files machinery" "$LINENO" 5
+fi < "$tmp/subs1.awk" > "$tmp/subs.awk" \
+  || as_fn_error "could not setup config files machinery" "$LINENO" 5
 _ACEOF
 
-# VPATH may cause trouble with some makes, so we remove sole $(srcdir),
-# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and
+# VPATH may cause trouble with some makes, so we remove $(srcdir),
+# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and
 # trailing colons and then remove the whole line if VPATH becomes empty
 # (actually we leave an empty line to preserve line numbers).
 if test "x$srcdir" = x.; then
-  ac_vpsub='/^[	 ]*VPATH[	 ]*=[	 ]*/{
-h
-s///
-s/^/:/
-s/[	 ]*$/:/
-s/:\$(srcdir):/:/g
-s/:\${srcdir}:/:/g
-s/:@srcdir@:/:/g
-s/^:*//
+  ac_vpsub='/^[	 ]*VPATH[	 ]*=/{
+s/:*\$(srcdir):*/:/
+s/:*\${srcdir}:*/:/
+s/:*@srcdir@:*/:/
+s/^\([^=]*=[	 ]*\):*/\1/
 s/:*$//
-x
-s/\(=[	 ]*\).*/\1/
-G
-s/\n//
 s/^[^=]*=[	 ]*$//
 }'
 fi
@@ -14753,7 +14712,7 @@
 # No need to generate them if there are no CONFIG_HEADERS.
 # This happens for instance with `./config.status Makefile'.
 if test -n "$CONFIG_HEADERS"; then
-cat >"$ac_tmp/defines.awk" <<\_ACAWK ||
+cat >"$tmp/defines.awk" <<\_ACAWK ||
 BEGIN {
 _ACEOF
 
@@ -14765,11 +14724,11 @@
 # handling of long lines.
 ac_delim='%!_!# '
 for ac_last_try in false false :; do
-  ac_tt=`sed -n "/$ac_delim/p" confdefs.h`
-  if test -z "$ac_tt"; then
+  ac_t=`sed -n "/$ac_delim/p" confdefs.h`
+  if test -z "$ac_t"; then
     break
   elif $ac_last_try; then
-    as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5
+    as_fn_error "could not make $CONFIG_HEADERS" "$LINENO" 5
   else
     ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
   fi
@@ -14854,7 +14813,7 @@
 _ACAWK
 _ACEOF
 cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-  as_fn_error $? "could not setup config headers machinery" "$LINENO" 5
+  as_fn_error "could not setup config headers machinery" "$LINENO" 5
 fi # test -n "$CONFIG_HEADERS"
 
 
@@ -14867,7 +14826,7 @@
   esac
   case $ac_mode$ac_tag in
   :[FHL]*:*);;
-  :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;;
+  :L* | :C*:*) as_fn_error "invalid tag \`$ac_tag'" "$LINENO" 5;;
   :[FH]-) ac_tag=-:-;;
   :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
   esac
@@ -14886,7 +14845,7 @@
     for ac_f
     do
       case $ac_f in
-      -) ac_f="$ac_tmp/stdin";;
+      -) ac_f="$tmp/stdin";;
       *) # Look for the file first in the build tree, then in the source tree
 	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
 	 # because $ac_f cannot contain `:'.
@@ -14895,7 +14854,7 @@
 	   [\\/$]*) false;;
 	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
 	   esac ||
-	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
+	   as_fn_error "cannot find input file: \`$ac_f'" "$LINENO" 5;;
       esac
       case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
       as_fn_append ac_file_inputs " '$ac_f'"
@@ -14921,8 +14880,8 @@
     esac
 
     case $ac_tag in
-    *:-:* | *:-) cat >"$ac_tmp/stdin" \
-      || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;
+    *:-:* | *:-) cat >"$tmp/stdin" \
+      || as_fn_error "could not create $ac_file" "$LINENO" 5 ;;
     esac
     ;;
   esac
@@ -15052,24 +15011,23 @@
 s&@INSTALL@&$ac_INSTALL&;t t
 $ac_datarootdir_hack
 "
-eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \
-  >$ac_tmp/out || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$tmp/subs.awk" >$tmp/out \
+  || as_fn_error "could not create $ac_file" "$LINENO" 5
 
 test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
-  { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } &&
-  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' \
-      "$ac_tmp/out"`; test -z "$ac_out"; } &&
+  { ac_out=`sed -n '/\${datarootdir}/p' "$tmp/out"`; test -n "$ac_out"; } &&
+  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' "$tmp/out"`; test -z "$ac_out"; } &&
   { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
-which seems to be undefined.  Please make sure it is defined" >&5
+which seems to be undefined.  Please make sure it is defined." >&5
 $as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
-which seems to be undefined.  Please make sure it is defined" >&2;}
+which seems to be undefined.  Please make sure it is defined." >&2;}
 
-  rm -f "$ac_tmp/stdin"
+  rm -f "$tmp/stdin"
   case $ac_file in
-  -) cat "$ac_tmp/out" && rm -f "$ac_tmp/out";;
-  *) rm -f "$ac_file" && mv "$ac_tmp/out" "$ac_file";;
+  -) cat "$tmp/out" && rm -f "$tmp/out";;
+  *) rm -f "$ac_file" && mv "$tmp/out" "$ac_file";;
   esac \
-  || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+  || as_fn_error "could not create $ac_file" "$LINENO" 5
  ;;
   :H)
   #
@@ -15078,21 +15036,21 @@
   if test x"$ac_file" != x-; then
     {
       $as_echo "/* $configure_input  */" \
-      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs"
-    } >"$ac_tmp/config.h" \
-      || as_fn_error $? "could not create $ac_file" "$LINENO" 5
-    if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then
+      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs"
+    } >"$tmp/config.h" \
+      || as_fn_error "could not create $ac_file" "$LINENO" 5
+    if diff "$ac_file" "$tmp/config.h" >/dev/null 2>&1; then
       { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
 $as_echo "$as_me: $ac_file is unchanged" >&6;}
     else
       rm -f "$ac_file"
-      mv "$ac_tmp/config.h" "$ac_file" \
-	|| as_fn_error $? "could not create $ac_file" "$LINENO" 5
+      mv "$tmp/config.h" "$ac_file" \
+	|| as_fn_error "could not create $ac_file" "$LINENO" 5
     fi
   else
     $as_echo "/* $configure_input  */" \
-      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \
-      || as_fn_error $? "could not create -" "$LINENO" 5
+      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs" \
+      || as_fn_error "could not create -" "$LINENO" 5
   fi
  ;;
 
@@ -15112,7 +15070,7 @@
 ac_clean_files=$ac_clean_files_save
 
 test $ac_write_fail = 0 ||
-  as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5
+  as_fn_error "write failure creating $CONFIG_STATUS" "$LINENO" 5
 
 
 # configure is writing to config.log, and then calls config.status.
@@ -15133,7 +15091,7 @@
   exec 5>>config.log
   # Use ||, not &&, to avoid exiting from the if with $? = 1, which
   # would make configure fail if this is the last instruction.
-  $ac_cs_success || as_fn_exit 1
+  $ac_cs_success || as_fn_exit $?
 fi
 if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
   { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
diff --git a/configure.in b/configure.in
index 55cbd8f..c0f7ab8 100644
--- a/configure.in
+++ b/configure.in
@@ -2534,18 +2534,19 @@
 
 # checks for library functions
 AC_CHECK_FUNCS(alarm accept4 setitimer getitimer bind_textdomain_codeset chown \
- clock confstr ctermid execv fchmod fchown fork fpathconf ftime ftruncate \
+ clock confstr ctermid execv faccessat fchmod fchmodat fchown fchownat fork \
+ fpathconf fstatat ftime ftruncate futimesat \
  gai_strerror getgroups getlogin getloadavg getpeername getpgid getpid \
  getpriority getresuid getresgid getpwent getspnam getspent getsid getwd \
- initgroups kill killpg lchmod lchown lstat mbrtowc mkfifo mknod mktime \
- mremap nice pathconf pause plock poll pthread_init \
- putenv readlink realpath \
+ initgroups kill killpg lchmod lchown linkat lstat mbrtowc mkdirat mkfifo \
+ mkfifoat mknod mknodat mktime mremap nice openat pathconf pause plock poll \
+ pthread_init putenv readlink readlinkat realpath renameat \
  select sem_open sem_timedwait sem_getvalue sem_unlink sendfile setegid seteuid \
  setgid \
  setlocale setregid setreuid setresuid setresgid setsid setpgid setpgrp setpriority setuid setvbuf \
- sigaction siginterrupt sigrelse snprintf strftime strlcpy \
+ sigaction siginterrupt sigrelse snprintf strftime strlcpy symlinkat \
  sysconf tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \
- truncate uname unsetenv utimes waitpid wait3 wait4 \
+ truncate uname unlinkat unsetenv utimensat utimes waitpid wait3 wait4 \
  wcscoll wcsftime wcsxfrm _getpty)
 
 # For some functions, having a definition is not sufficient, since
diff --git a/pyconfig.h.in b/pyconfig.h.in
index 7236331..1d6912d 100644
--- a/pyconfig.h.in
+++ b/pyconfig.h.in
@@ -205,15 +205,24 @@
 /* Define to 1 if you have the `expm1' function. */
 #undef HAVE_EXPM1
 
+/* Define to 1 if you have the `faccessat' function. */
+#undef HAVE_FACCESSAT
+
 /* Define if you have the 'fchdir' function. */
 #undef HAVE_FCHDIR
 
 /* Define to 1 if you have the `fchmod' function. */
 #undef HAVE_FCHMOD
 
+/* Define to 1 if you have the `fchmodat' function. */
+#undef HAVE_FCHMODAT
+
 /* Define to 1 if you have the `fchown' function. */
 #undef HAVE_FCHOWN
 
+/* Define to 1 if you have the `fchownat' function. */
+#undef HAVE_FCHOWNAT
+
 /* Define to 1 if you have the <fcntl.h> header file. */
 #undef HAVE_FCNTL_H
 
@@ -241,6 +250,9 @@
 /* Define to 1 if you have the `fseeko' function. */
 #undef HAVE_FSEEKO
 
+/* Define to 1 if you have the `fstatat' function. */
+#undef HAVE_FSTATAT
+
 /* Define to 1 if you have the `fstatvfs' function. */
 #undef HAVE_FSTATVFS
 
@@ -259,6 +271,9 @@
 /* Define to 1 if you have the `ftruncate' function. */
 #undef HAVE_FTRUNCATE
 
+/* Define to 1 if you have the `futimesat' function. */
+#undef HAVE_FUTIMESAT
+
 /* Define to 1 if you have the `gai_strerror' function. */
 #undef HAVE_GAI_STRERROR
 
@@ -431,6 +446,9 @@
 /* Define if you have the 'link' function. */
 #undef HAVE_LINK
 
+/* Define to 1 if you have the `linkat' function. */
+#undef HAVE_LINKAT
+
 /* Define to 1 if you have the <linux/netlink.h> header file. */
 #undef HAVE_LINUX_NETLINK_H
 
@@ -461,12 +479,21 @@
 /* Define to 1 if you have the <memory.h> header file. */
 #undef HAVE_MEMORY_H
 
+/* Define to 1 if you have the `mkdirat' function. */
+#undef HAVE_MKDIRAT
+
 /* Define to 1 if you have the `mkfifo' function. */
 #undef HAVE_MKFIFO
 
+/* Define to 1 if you have the `mkfifoat' function. */
+#undef HAVE_MKFIFOAT
+
 /* Define to 1 if you have the `mknod' function. */
 #undef HAVE_MKNOD
 
+/* Define to 1 if you have the `mknodat' function. */
+#undef HAVE_MKNODAT
+
 /* Define to 1 if you have the `mktime' function. */
 #undef HAVE_MKTIME
 
@@ -485,6 +512,9 @@
 /* Define to 1 if you have the `nice' function. */
 #undef HAVE_NICE
 
+/* Define to 1 if you have the `openat' function. */
+#undef HAVE_OPENAT
+
 /* Define to 1 if you have the `openpty' function. */
 #undef HAVE_OPENPTY
 
@@ -500,6 +530,9 @@
 /* Define if the OS supports pipe2() */
 #undef HAVE_PIPE2
 
+/* Define if the OS supports pipe2() */
+#undef HAVE_PIPE2
+
 /* Define to 1 if you have the `plock' function. */
 #undef HAVE_PLOCK
 
@@ -536,9 +569,15 @@
 /* Define to 1 if you have the `readlink' function. */
 #undef HAVE_READLINK
 
+/* Define to 1 if you have the `readlinkat' function. */
+#undef HAVE_READLINKAT
+
 /* Define to 1 if you have the `realpath' function. */
 #undef HAVE_REALPATH
 
+/* Define to 1 if you have the `renameat' function. */
+#undef HAVE_RENAMEAT
+
 /* Define if you have readline 2.1 */
 #undef HAVE_RL_CALLBACK
 
@@ -724,6 +763,9 @@
 /* Define if you have the 'symlink' function. */
 #undef HAVE_SYMLINK
 
+/* Define to 1 if you have the `symlinkat' function. */
+#undef HAVE_SYMLINKAT
+
 /* Define to 1 if you have the `sysconf' function. */
 #undef HAVE_SYSCONF
 
@@ -866,6 +908,9 @@
 /* Define to 1 if you have the <unistd.h> header file. */
 #undef HAVE_UNISTD_H
 
+/* Define to 1 if you have the `unlinkat' function. */
+#undef HAVE_UNLINKAT
+
 /* Define to 1 if you have the `unsetenv' function. */
 #undef HAVE_UNSETENV
 
@@ -877,6 +922,9 @@
 /* Define to 1 if you have the <util.h> header file. */
 #undef HAVE_UTIL_H
 
+/* Define to 1 if you have the `utimensat' function. */
+#undef HAVE_UTIMENSAT
+
 /* Define to 1 if you have the `utimes' function. */
 #undef HAVE_UTIMES