ref: a2c0e55e6885fde0d135831a77d227bc933d89e7
dir: /sys/src/cmd/upas/vf/mkfile/
</$objtype/mkfile <../mkupas TARG=vf OFILES=vf.$O\ LIB=../common/libcommon.a$O\ HFILES=../common/common.h\ ../common/sys.h\ UPDATE=\ mkfile\ $HFILES\ ${OFILES:%.$O=%.c}\ </sys/src/cmd/mkone CFLAGS=$CFLAGS -I../common