ref: c8ea1cd8d7df5c044cf3ac0f29914721093ec0a9
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