diff --git a/configure b/configure
index 54da4bc2b44..49a32540d14 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in Revision: 76028 .
+# From configure.in Revision: 76050 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.61 for python 2.7.
 #
@@ -18763,7 +18763,7 @@ if test "${ac_cv_have_chflags+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test "$cross_compiling" = yes; then
-  ac_cv_have_chflags=no
+  ac_cv_have_chflags=cross
 else
   cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
@@ -18771,7 +18771,7 @@ _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-
+[
 #include <sys/stat.h>
 #include <unistd.h>
 int main(int argc, char*argv[])
@@ -18780,7 +18780,7 @@ int main(int argc, char*argv[])
     return 1;
   return 0;
 }
-
+]
 _ACEOF
 rm -f conftest$ac_exeext
 if { (ac_try="$ac_link"
@@ -18817,11 +18817,98 @@ fi
 
 
 fi
-
 { echo "$as_me:$LINENO: result: $ac_cv_have_chflags" >&5
 echo "${ECHO_T}$ac_cv_have_chflags" >&6; }
-if test $ac_cv_have_chflags = yes
-then
+if test "$ac_cv_have_chflags" = cross ; then
+  { echo "$as_me:$LINENO: checking for chflags" >&5
+echo $ECHO_N "checking for chflags... $ECHO_C" >&6; }
+if test "${ac_cv_func_chflags+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define chflags to an innocuous variant, in case <limits.h> declares chflags.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define chflags innocuous_chflags
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char chflags (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef chflags
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char chflags ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_chflags || defined __stub___chflags
+choke me
+#endif
+
+int
+main ()
+{
+return chflags ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
+  ac_cv_func_chflags=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_func_chflags=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_func_chflags" >&5
+echo "${ECHO_T}$ac_cv_func_chflags" >&6; }
+if test $ac_cv_func_chflags = yes; then
+  ac_cv_have_chflags="yes"
+else
+  ac_cv_have_chflags="no"
+fi
+
+fi
+if test "$ac_cv_have_chflags" = yes ; then
 
 cat >>confdefs.h <<\_ACEOF
 #define HAVE_CHFLAGS 1
@@ -18835,7 +18922,7 @@ if test "${ac_cv_have_lchflags+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test "$cross_compiling" = yes; then
-  ac_cv_have_lchflags=no
+  ac_cv_have_lchflags=cross
 else
   cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
@@ -18843,7 +18930,7 @@ _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-
+[
 #include <sys/stat.h>
 #include <unistd.h>
 int main(int argc, char*argv[])
@@ -18852,7 +18939,7 @@ int main(int argc, char*argv[])
     return 1;
   return 0;
 }
-
+]
 _ACEOF
 rm -f conftest$ac_exeext
 if { (ac_try="$ac_link"
@@ -18889,11 +18976,98 @@ fi
 
 
 fi
-
 { echo "$as_me:$LINENO: result: $ac_cv_have_lchflags" >&5
 echo "${ECHO_T}$ac_cv_have_lchflags" >&6; }
-if test $ac_cv_have_lchflags = yes
-then
+if test "$ac_cv_have_lchflags" = cross ; then
+  { echo "$as_me:$LINENO: checking for lchflags" >&5
+echo $ECHO_N "checking for lchflags... $ECHO_C" >&6; }
+if test "${ac_cv_func_lchflags+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define lchflags to an innocuous variant, in case <limits.h> declares lchflags.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define lchflags innocuous_lchflags
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char lchflags (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef lchflags
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char lchflags ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_lchflags || defined __stub___lchflags
+choke me
+#endif
+
+int
+main ()
+{
+return lchflags ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
+  ac_cv_func_lchflags=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_func_lchflags=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_func_lchflags" >&5
+echo "${ECHO_T}$ac_cv_func_lchflags" >&6; }
+if test $ac_cv_func_lchflags = yes; then
+  ac_cv_have_lchflags="yes"
+else
+  ac_cv_have_lchflags="no"
+fi
+
+fi
+if test "$ac_cv_have_lchflags" = yes ; then
 
 cat >>confdefs.h <<\_ACEOF
 #define HAVE_LCHFLAGS 1