Make sure TOOLDIR/bin exists before copying into it. Use 2 explicit mkdir's

here to avoid problems on host systems without mkdir -p

tools/host-mkdep/Makefile

@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile,v 1.2 2002/01/21 20:04:37 tv Exp $
+#	$NetBSD: Makefile,v 1.3 2002/02/12 19:54:16 jmc Exp $
 
 TIMESTAMP=	${TOOLDIR}/bin/nbhost-mkdep
 
@@ -15,7 +15,10 @@ host-mkdep: configure host-mkdep.in
 # This is the only program that comes before binstall.
 install: ${TIMESTAMP}
 ${TIMESTAMP}: host-mkdep
-	cp host-mkdep $@
+	if [ ! -d ${TOOLDIR}/bin ]; then \
+		mkdir ${TOOLDIR}; \
+		mkdir ${TOOLDIR}/bin; \
+	fi; cp host-mkdep $@
 	chmod +x $@
 
 # Run by hand, then "configure" script committed: