On 01/09/2011 08:44, Evan Laforge wrote:

Yes, the plan was to eventually have a parallel --make mode.

If that's the goal, wouldn't it be easier to start many ghcs?

It's an interesting idea that I hadn't thought of.  There would have to be an atomic file system operation to "commit" a compiled module - getting that right could be a bit tricky (compilation isn't deterministic, so the commit has to be atomic).