Do a mkdir before copying files
diff -ur ../../bibclean-2.11.4.1.orig/Makefile.in ./Makefile.in
--- ../../bibclean-2.11.4.1.orig/Makefile.in	2011-04-27 16:03:53.000000000 +0200
+++ ./Makefile.in	2011-04-27 16:08:20.000000000 +0200
@@ -611,6 +611,7 @@
 	touch install.time
 
 install-exe:	bibclean
+	mkdir -p $(bindir)
 	if test -f $(bindir)/bibclean ; \
 	then \
 		$(MV) $(bindir)/bibclean $(bindir)/bibclean.old ; \
@@ -623,6 +624,7 @@
 	$(CHMOD) 664 $(BIBCLEANRC)
 
 install-man:	bibclean.man
+	mkdir -p $(mandir)
 	if test -f $(mandir)/bibclean.$(manext) ; \
 	then \
 		$(MV) $(mandir)/bibclean.$(manext) $(mandir)/bibclean.old.$(manext) ; \