I_UNSPECIFIED | I_NO_INCLUDES | I_NORMAL_INCLUDES | I_ALL_INCLUDES
let include_options = ref I_UNSPECIFIED
-let include_path = ref (None : string option)
+let include_path = ref ([] : string list)
(* if true then when have a #include "../../xx.h", we look also for xx.h in
* current directory. This is because of how works extract_c_and_res
*)