diff --git a/tools/building.py b/tools/building.py
index d9fecd15679c3fdabe52216fc66a88a61129121d..ea0da42566202da5ab4fb4fe1f59f850653afcda 100644
--- a/tools/building.py
+++ b/tools/building.py
@@ -778,6 +778,7 @@ def DoBuilding(target, objects):
         for group in Projects:
             local_group(group, objects)
 
+        objects = sorted(objects)
         program = Env.Program(target, objects)
 
     EndBuilding(target, program)