ref: 1a5fc6fcd59fe507cdfef2628de0d6bdddb25cea
dir: /sys/lib/dist/mkfile/
proto=/n/src9/sys/lib/sysconfig/proto/cdproto
ini=pc/plan9.ini.cd
iso=/tmp/9front.iso
cd:V: $iso
%.iso: $proto $ini
@{rfork n
bind usr /n/src9/usr
bind /n/src9 /n/src9/dist/plan9front
bind $ini /n/src9/cfg/plan9.ini
disk/mk9660 -c9j -B 386/9bootiso -p $proto -s /n/src9 -v 'Plan 9 Front' $target
}