1 files changed, 3 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 1f254b0eaf..850060911c 100644
--- a/Makefile
+++ b/Makefile
@@ -140,5 +140,8 @@ cleanconfig::
 
 depend:
 	$(OCAMLDEP) $(DEPFLAGS) */*.mli */*.ml > .depend
+	for f in */*.g4; do \
+	  $(CAMLP4EXTEND) $(DEPFLAGS) pr_depend.cmo -impl $$f >> .depend; \
+	done
 
 include .depend