--- camlp4/camlp4/Makefile.orig	Sat Sep 23 20:02:56 2006
+++ camlp4/camlp4/Makefile	Sat Sep 23 20:13:00 2006
@@ -75,7 +75,10 @@
 	-$(MKDIR) "$(LIBDIR)/camlp4"
 	cp $(CAMLP4) "$(BINDIR)/."
 	for ext in mli cmi cmo cmx o; do for mod in $(EXPORTED); do \
-	  cp $${mod}.$${ext} "$(LIBDIR)/camlp4/."; done; done
+	  if [ -e "$${mod}.$${ext}" ]; then \
+		cp $${mod}.$${ext} "$(LIBDIR)/camlp4/."; \
+	  fi; \
+	done; done
 	cp  argl.cmi argl.cmo "$(LIBDIR)/camlp4/."
 	for f in argl.o argl.cmx; do \
 	  if test -r $$f ; then \