// whether the function took over NEXT_BLOCKER.
bool
-read_input_script(Workqueue*, Symbol_table*, Layout*, Dirsearch*,
+read_input_script(Workqueue*, Symbol_table*, Layout*, Dirsearch*, int,
Input_objects*, Mapfile*, Input_group*,
const Input_argument*, Input_file*,
Task_token* next_blocker, bool* used_next_blocker);