Compile to C?

[Nestor via Digitalmars-d-learn]

On Saturday, 21 January 2017 at 19:33:27 UTC, Adam D. Ruppe wrote:
> On Saturday, 21 January 2017 at 18:38:22 UTC, Nestor wrote:
>> That would be cool for greater portability.
>
> The hard part in porting to a new platform is rarely the code 
> generation - gdc and ldc have diverse backends already (indeed, 
> they tend to work for D as well as C there). But you still have 
> to port runtime library requirements where compiling to C 
> wouldn't help at all.

You mean phobos, or system libraries?