Index: cc/cc/Makefile.in
@@ -59,8 +59,9 @@
 	fi
 	test -z "${DESTDIR}$(mandir)/man1" || mkdir -p "${DESTDIR}$(mandir)/man1"
 	${INSTALL} $(srcdir)/cc.1 ${DESTDIR}${mandir}/man1/${DEST}.1
-	test -z "${DESTDIR}$(PCCINCDIR)" || mkdir -p "${DESTDIR}$(PCCINCDIR)"
-	test -z "${DESTDIR}$(PCCLIBDIR)" || mkdir -p "${DESTDIR}$(PCCLIBDIR)"
+	# Don't make unused empty directories for no reason.
+	#test -z "${DESTDIR}$(PCCINCDIR)" || mkdir -p "${DESTDIR}$(PCCINCDIR)"
+	#test -z "${DESTDIR}$(PCCLIBDIR)" || mkdir -p "${DESTDIR}$(PCCLIBDIR)"
 
 clean:
 	/bin/rm -f  $(OBJS) ${DEST}