ref: 469bbab4609f4b3267536ab3060efbc36515e3f5
dir: /sys/src/libplumb/mkfile/
</$objtype/mkfile
LIB=/$objtype/lib/libplumb.a
OFILES=\
event.$O\
mesg.$O\
plumbsendtext.$O\
HFILES=/sys/include/plumb.h
UPDATE=\
mkfile\
$HFILES\
${OFILES:%.$O=%.c}\
${LIB:/$objtype/%=/386/%}\
</sys/src/cmd/mksyslib