--- a/bin/ged2gwb/dune	2026-11-13 12:00:47.031133248 +0100
+++ b/bin/ged2gwb/dune	2026-11-13 12:03:07.127288339 +0100
@@ -6,11 +6,7 @@
  (preprocess
   (action
    (run
-    not-ocamlfind
-    preprocess
-    -package
-    camlp5.extend,camlp5.quotations,camlp5.pr_o
-    -syntax
     camlp5o
+    -I +camlp5 pa_extend.cmo q_MLast.cmo o_keywords.cmo pr_o.cmo
     %{input-file})))
  (libraries camlp5 unix str geneweb_db geneweb))