On 22 September 2014 10:33, Sönke Ludwig
<digitalmars-d-announce@puremagic.com> wrote:
>
>  - Added general support for single-file compilation mode, as well as
>    separate compile/link mode for GDC.
>

N.B:

All-at-once compilation has improved with GDC.  But you still have to
wait minutes rather than seconds for compilations to finish if you do
optimized builds.

Iain.