Index: Makefile.in
--- Makefile.in.orig
+++ Makefile.in
@@ -237,6 +237,7 @@ inst-man:
 	$(INSTALL_DATA) a60.man $(MANDIR)/$(PRG).$(MANSUFF)
 
 inst-lib:
+	-install -d -m 755 $(LIBDIR)
 	-$(INSTALL_DATA) a60-mkc.inc $(LIBDIR)
 
 install:	inst-man inst-bin inst-lib