--- a/compiler/Makefile	2023-01-21 22:23:29.676828969 +0100
+++ b/compiler/Makefile	2023-01-21 22:24:16.204141261 +0100
@@ -73,6 +73,9 @@
 .ml.cmo:
 	$(CAMLCOMP) $(COMPFLAGS) -I ../support $<
 
+maincompile.cmo: copyright.cmo
+maincompile.cmx: copyright.cmx
+
 depend: parser.ml parser.mli lexer.ml pplex.ml ppyac.ml ppyac.mli
 	$(CAMLDEP) *.mli *.ml > .depend
 
--- a/browser/Makefile	2023-01-25 22:29:40.784044151 +0100
+++ b/browser/Makefile	2023-01-25 22:29:56.579838693 +0100
@@ -18,3 +18,6 @@
 
 dummy.ml:
 	cp dummyUnix.ml dummy.ml
+
+shell.cmo : dummy.cmo
+shell.cmx : dummy.cmx