On 20/05/2015 21:12, Roger Riggs wrote: > Ioi, > > You can rebuild just the contents of a single module: > > % make java.base java.base-libs java.base-launchers > Yes, and this works great when you are using an exploded build. It's possible that Ioi is looking for an images build of course. In general then this needs sjavac as Joe brings up. -Alan