ref: c83a6f9c00cafdafa103650012ff76093ead3d26
dir: /sys/src/games/sudoku/mkfile/
</$objtype/mkfile BIN=/$objtype/bin/games TARG=sudoku OFILES=\ sudoku.$O\ levels.$O\ game.$O\ HFILES=sudoku.h\ UPDATE=\ mkfile\ $HFILES\ ${OFILES:%.$O=%.c}\ `{ls /sys/games/lib/sudoku/*} </sys/src/cmd/mkone