On the performance of building D programs

[Vladimir Panteleev]

On Sunday, 7 April 2013 at 02:16:10 UTC, Andrei Alexandrescu 
wrote:
>> Why in parallel and not in one go? (-v with -rb and without 
>> -o-)
>
> I'm not sure how rdmd would distingish dmd's output from the 
> output of the running program. Oh wait, the run will be a 
> distinct step - awesome.

I'll have a go at the rdmd side of this.

Any reason not to use the deps file as the build witness?