ref: ae61eb9381f6b0c70e1c52bf2c2b7f4cd0b5bb6f dir: /sys/src/games/opl3/mkfile/
</$objtype/mkfile BIN=/$objtype/bin/games TARG=opl3 OFILES=opl3.$O opl3m.$O HFILES= </sys/src/cmd/mkone