Failed to link a 7 month old GTKD project

[Ki Rill]

On Thursday, 5 August 2021 at 10:15:47 UTC, Mathias LANG wrote:
> Pretty hard to know what got wrong without log. First question 
> would be, did you do `dub -f` to make sure you were not linking 
> with stale object file ? Better yet, did you try compiling from 
> a clean checkout ?
> A link to the code and a CI run that fails in the same way 
> would be best.

Yes, I tried. It didn't help. I have another active GTKD project 
and it compiles successfully with the same dub.json settings.

Here is the link to the 
[code](https://github.com/rillki/extension-er/blob/main/source/app.d).