--- Makefile.orig	Sun Mar 11 01:59:11 2001
+++ Makefile	Sun Mar 11 01:59:56 2001
@@ -81,7 +81,9 @@
 directories:
 	@chmod +x support/install-sh
 	for D in $(INSTDIRS) ; do \
-	    support/install-sh $(OWNER) -m 0755 -d $$D ; \
+	    if [ ! -d $$D ] ; then \
+		support/install-sh $(OWNER) -m 0755 -d $$D ; \
+	    fi ; \
 	done
 	support/install-sh $(OWNER) -m 0750 -d $(PATHRUN)
 
