Scaling rdmd up: build package at a time

[Andrei Alexandrescu via Digitalmars-d]

On 6/6/15 1:27 PM, anonymous wrote:
> The seemingly obvious thing to do: Pass the source files that need
> rebuilding and the object files of other modules to one dmd invocation.

Doesn't work because no separate object file per source is being 
produced. -- Andrei