    as_CACHEVAR=`$as_echo "ax_cv_check_cxxflags_-Werror_$flag" | $as_tr_sh`
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler accepts $flag" >&5
  $as_echo_n "checking whether C++ compiler accepts $flag... " >&6; }
-diff --git a/m4/ax_harden_compiler_flags.m4 b/m4/ax_harden_compiler_flags.m4
-index 5d5bfdc..907634c 100644
---- a/m4/ax_harden_compiler_flags.m4
-+++ b/m4/ax_harden_compiler_flags.m4
-@@ -143,7 +143,7 @@ AC_DEFUN([_HARDEN_CC_COMPILER_FLAGS],
+@@ -34846,70 +34782,6 @@
+   as_CACHEVAR=`$as_echo "ax_cv_check_cxxflags_-Werror_$flag" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler accepts $flag" >&5
+ $as_echo_n "checking whether C++ compiler accepts $flag... " >&6; }
+-if eval \${$as_CACHEVAR+:} false; then :
+-  $as_echo_n "(cached) " >&6
+-else
+-
+-  ax_check_save_flags=$CXXFLAGS
+-  CXXFLAGS="$CXXFLAGS -Werror $flag"
+-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+-/* end confdefs.h.  */
+-
+-int
+-main ()
+-{
+-
+-  ;
+-  return 0;
+-}
+-_ACEOF
+-if ac_fn_cxx_try_compile "$LINENO"; then :
+-  eval "$as_CACHEVAR=yes"
+-else
+-  eval "$as_CACHEVAR=no"
+-fi
+-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+-  CXXFLAGS=$ax_check_save_flags
+-fi
+-eval ac_res=\$$as_CACHEVAR
+-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+-$as_echo "$ac_res" >&6; }
+-if test x"`eval 'as_val=${'$as_CACHEVAR'};$as_echo "$as_val"'`" = xyes; then :
+-  if ${CXXFLAGS+:} false; then :
+-  case " $CXXFLAGS " in
+-    *" $flag "*)
+-      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CXXFLAGS already contains \$flag"; } >&5
+-  (: CXXFLAGS already contains $flag) 2>&5
+-  ac_status=$?
+-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+-  test $ac_status = 0; }
+-      ;;
+-    *)
+-      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CXXFLAGS=\"\$CXXFLAGS \$flag\""; } >&5
+-  (: CXXFLAGS="$CXXFLAGS $flag") 2>&5
+-  ac_status=$?
+-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+-  test $ac_status = 0; }
+-      CXXFLAGS="$CXXFLAGS $flag"
+-      ;;
+-   esac
+-else
+-  CXXFLAGS="$flag"
+-fi
+-
+-else
+-  :
+-fi
+-
+-done
+-
+-
+-
+-
+-for flag in -fPIE -pie; do
+-  as_CACHEVAR=`$as_echo "ax_cv_check_cxxflags_-Werror_$flag" | $as_tr_sh`
+-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler accepts $flag" >&5
+-$as_echo_n "checking whether C++ compiler accepts $flag... " >&6; }
+ if eval \${$as_CACHEVAR+:} false; then :
+   $as_echo_n "(cached) " >&6
+ else
+Binary files a/.git/index and b/.git/index differ
+diff -r --unified a/m4/ax_harden_compiler_flags.m4 b/m4/ax_harden_compiler_flags.m4
+--- a/m4/ax_harden_compiler_flags.m4	2014-02-09 03:52:42.000000000 -0800
++++ b/m4/ax_harden_compiler_flags.m4	2014-02-09 03:52:42.000000000 -0800
+@@ -143,7 +143,7 @@
             _APPEND_COMPILE_FLAGS_ERROR([-fno-omit-frame-pointer])
             ],[
             _APPEND_COMPILE_FLAGS_ERROR([-g])

   as_CACHEVAR=`$as_echo "ax_cv_check_cflags_-Werror_$flag" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5
 $as_echo_n "checking whether C compiler accepts $flag... " >&6; }
@@ -31304,7 +31304,7 @@ done
 
 
 

   else
     CFLAGS=
   fi
@@ -3674,13 +3674,13 @@
   CXXFLAGS=$ac_save_CXXFLAGS
 elif test $ac_cv_prog_cxx_g = yes; then
   if test "$GXX" = yes; then
