ref: fc9e8b2b11001c3f90fbf6cefb0ec612c754da2c dir: /sys/src/games/opl3/mkfile/
</$objtype/mkfile BIN=/$objtype/bin/games TARG=opl3 OFILES=opl3.$O opl3m.$O HFILES= </sys/src/cmd/mkone