ref: 7efba9bdc777541330e1b8fcd4a9e6e61a7a2b2d dir: /sys/src/games/opl3/mkfile/
</$objtype/mkfile BIN=/$objtype/bin/games TARG=opl3 OFILES=opl3.$O opl3m.$O HFILES= </sys/src/cmd/mkone