ref: 49dd6764ea79d2b88d228e701f73b7c59e4cae35
dir: /sys/src/ape/lib/mkfile/
</$objtype/mkfile
DIRS=`{echo */}
none:V:
echo mk all, install, installall, clean, or nuke
all clean nuke install installall:V:
for (i in $DIRS) @{
cd $i
mk $target
}