ref: 2d4a2c5c2065a32b6b5bd6a0e887af1574a8dfec dir: /sys/src/cmd/grep/mkfile/
</$objtype/mkfile TARG=grep HFILES=\ grep.h\ OFILES=\ y.tab.$O\ main.$O\ comp.$O\ sub.$O\ YFILES=grep.y\ BIN=/$objtype/bin </sys/src/cmd/mkone