How can I override the defeat compiler select by Dub?

[Mike Brockus]

If you never seen Meson before then pick up a camera and take a 
picture:
🤔 👉 https://mesonbuild.com/

Hometown Meson user here simply just wondering how can I tell Dub 
to use dmd to compile my dependence in Meson?  It’s one of the 
last things blocking me from having healthy D Meson projects that 
integrate nicely with Dub based projects.