ref: 1eb7a858acdb58be016659a35e3c6cf54bf8cf86
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
	}