dummy main option (for use with --unittest)

[kinke via D.gnu]

On Tuesday, 21 March 2017 at 19:17:53 UTC, dan wrote:
> Is there some option for generating a dummy main with gdc?

Here: 
http://forum.dlang.org/thread/mailman.974.1489320559.31550.digitalmars-d-learn@puremagic.com.