On Tue, 30 May 2017 15:03:24 GMT, Carl Sturtivant wrote:

Is it possible to do this? In fact how is a compiler chosen by dub in general with no setting in dub.sdl ?
Please point me at a place this is documented --- I can't seem to find this.

You want a package to only build with a particular compiler? Not sure about that, but you can tell dub to use a particular compiler generally with the --compiler flag or by writing a .dub/settings.json. Otherwise, dub will search your path for common D compilers, see here: