ref: a31e4f61a4c9afb9696a7ff4ff09e02b3281a2f3
dir: /sys/lib/dist/mkfile/
proto=/n/src9/sys/lib/sysconfig/proto/cdproto
iso=/tmp/9front.iso
cd:V: $iso
%.iso: $proto
@{rfork n
bind usr /n/src9/usr
bind cfg /n/src9/cfg
bind ndb /n/src9/lib/ndb
bind /n/src9 /n/src9/dist/plan9front
disk/mk9660 -c9j -B 386/9bootiso -p $proto -s /n/src9 -v 'Plan 9 Front' $target
}