How to build DMD/Phobos on Windows

[bauss]

On Wednesday, 24 August 2022 at 21:11:42 UTC, rikki cattermole 
wrote:
> For dmd you use build.d that is in the repository.
>
> For phobos win64.mak (used for 32bit by default as well):
>
> "# Makefile to build D runtime library phobos{64,32mscoff}.lib 
> for Windows MSVC"
>
> So MSVC make.
>
> Beyond that idk, but its starting point (oh and druntime is now 
> in dmd repo, so ugh... yeah)

We really need a page in the documentation that describes how to 
build each component of D for each major platform.