How do people feel about putting source compiler directives inside rdmd?

[bachmeier]

On Monday, 2 December 2019 at 18:48:41 UTC, aliak wrote:
> Like these in rund? 
> https://github.com/dragon-lang/rund#source-compiler-directives
>
> Is that something that dlang would be open to for rdmd?
>
> Cheers
> - Ali

What is the advantage relative to the added complexity? Can't you 
use Dub or a Makefile if that's what you want? I'm disagreeing, I 
just don't know the use case.