-int unit_add_dependency_by_name(Unit *u, UnitDependency d, const char *name);
-int unit_add_dependency_by_name_inverse(Unit *u, UnitDependency d, const char *name);
+int unit_add_dependency_by_name(Unit *u, UnitDependency d, const char *name, const char *filename);
+int unit_add_dependency_by_name_inverse(Unit *u, UnitDependency d, const char *name, const char *filename);