Add ImportC compiler to dmd

[Walter Bright]

On 5/16/2021 1:51 AM, Chris Piker wrote:
> If you think it would be helpful I'll try building our in-house C
> libraries since I understand those and submit any cases that fail.
> I imagine quite a few people are going to be intrigued by this
> project (as a new C compiler doesn't come around every day) and
> will try building most of their C projects/dependencies.
> 
> I'm not sure if this is applicable, but we still have some sun/
> sparc machines around in case building on a big endian environment
> would provide you with useful data.  Sparc cores are still burned
> into quite a few FPGAs.
> 
> The test suite should build up quickly.  Getting rid of duplicate
> tests may turn out to be an issue.

That would be welcome. But I'd suggest waiting a bit. There's plenty of known 
problems with it at the moment, so you'd be wasting your valuable time dealing 
with that.

Wait until it's doing better.