ref: c4e30bede2f79c42dacb8c91713abf4a4d91c45c dir: /sys/src/cmd/upas/spf/mkfile/
</$objtype/mkfile TARG=spf OFILES=\ dns.$O\ macro.$O\ spf.$O\ </sys/src/cmd/mkone <../mkupas mtest: dns.$O macro.$O mtest.$O $LD $LDFLAGS -o $target $prereq