dmd host compiler

[Jonathan Marler]

On Friday, 5 July 2019 at 17:36:36 UTC, Jonathan Marler wrote:
> On Friday, 5 July 2019 at 17:11:37 UTC, Patrick Schluter wrote:
>> [...]
>
> Another option would be to use 2.074 to compile 2.075, then use 
> that to compile 2.076, and so on...of course using the release 
> versions is arbitrary, and may not be granular enough and will 
> likely be too granular in most cases.
>
> One really cool thing about D though is that now DMD is 
> completely in D, if you compile it with the `build.d` script it 
> only takes about 20 seconds to compile the whole thing.  The 
> Makefile still takes longer because it's using many invocations 
> of the compiler though.

Wait I remembered wrong.  The Makefile takes about 20 seconds to 
build.  The `build.d` script takes about 7 seconds to build.  
Just confirmed it on my machine.