gistfile1.txt

ehirdoy@ehirdoy-vm:~/src/mirage$ git diff
diff --git a/lib/mirage.ml b/lib/mirage.ml
index 60d6c9ad..738efd89 100644
--- a/lib/mirage.ml
+++ b/lib/mirage.ml
@@ -615,7 +615,7 @@ let compile ignore_dirs libs warn_error target =
       | `Unix | `MacOSX -> []
     in
     let dont = List.map (fun k -> [ "-dontlink" ; k ]) dontlink in
-    "-g" :: List.flatten dont
+    "-use-lto" :: "-g" :: List.flatten dont
   in
   let concat = String.concat ~sep:"," in
   let ignore_dirs = match ignore_dirs with