ref: 172dc0005aa16dea8451bf2bcef7f3eb04df2c04
dir: /sys/src/cmd/exportfs/mkfile/
</$objtype/mkfile TARG=exportfs OFILES=\ exportsrv.$O\ pattern.$O\ io.$O\ HFILES=exportfs.h\ BIN=/$objtype/bin UPDATE=\ mkfile\ $HFILES\ ${OFILES:%.$O=%.c}\ </sys/src/cmd/mkmany