Incremental compilation with DMD

[Ary Borenszweig]

Tom S escribió:
> Short story: DMD probably needs an option to output template instances 
> to all object files that need them.

Hi Tom,

What you describe here is very interesting and useful. I think of adding 
an incremental builder to Descent in some point in the future and I'll 
probably encounter the same problem.

So I vote++ to emmiting template instances in every obj that uses them.