Adjust link_order_callback API

configure.py

@@ -15,9 +15,10 @@
 import argparse
 import sys
 from pathlib import Path
-from typing import List
+from typing import List, Sequence, Union
 
 from tools.project import (
+    BuildConfigUnit,
     Object,
     ProgressCategory,
     ProjectConfig,
@@ -1409,9 +1410,13 @@ for lib in config.libs:
             obj.options["extra_clang_flags"].append("-Wno-return-type")
 
 
-def link_order_callback(module_id: int, units: List[str]) -> List[str]:
+def link_order_callback(
+    module_id: int, units: List[str]
+) -> Sequence[Union[str, BuildConfigUnit]]:
     if module_id == 0:  # DOL
-        return units + ["dummy.c"]
+        return units + [
+            {"object": "dummy.o", "name": "dummy.c", "autogenerated": False}
+        ]
     return units