--- parser3/configure	2013/07/21 14:47:04	1.161
+++ parser3/configure	2013/07/21 20:36:36	1.162
@@ -17854,7 +17854,7 @@ fi
 
 done
 
-for ac_header in errno.h fcntl.h io.h sys/file.h sys/locking.h sys/select.h sys/resource.h
+for ac_header in errno.h dirent.h fcntl.h io.h sys/file.h sys/locking.h  sys/select.h sys/resource.h
 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"