ref: a42941eefd1f29dc30efc3ba8d018c7ef4a72d28
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
}