Add ImportC compiler to dmd

[Dibyendu Majumdar]

On Tuesday, 11 May 2021 at 04:16:30 UTC, Walter Bright wrote:
> On 5/10/2021 3:57 AM, Dibyendu Majumdar wrote:
>> This seems like a good step forward. I would recommend adding 
>> an in-built C  pre-processor.

> Fortunately, we do have a C preprocessor:
>
> https://github.com/DigitalMars/dmpp

I assume that this will be added as an in-built feature - i.e. 
not require invoking via another process?