ref: c3487a4b49b6988aad0e340ad9e986e4549b9317
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 cfg /n/src9/cfg
bind mail/lib /n/src9/mail/lib
bind ndb /n/src9/lib/ndb
bind -a adm/timezone /n/src9/adm/timezone
bind usr /n/src9/usr
bind /n/src9 /n/src9/dist/plan9front
disk/mk9660 -c9j -B 386/9bootiso -E 386/efiboot.fat -p $proto -s /n/src9 -v 'Plan 9 Front' $target
}