Support Windows XP

[user1234]

On Monday, 3 May 2021 at 09:53:42 UTC, Dukc wrote:
> On Sunday, 2 May 2021 at 18:15:04 UTC, Imperatorn wrote:
>> I modified the PE header (set major version and subsystem to 
>> 5) and it worked 🌞
>>
>> No idea how much ub this causes tho.
>
> Care to explain this in beginner-friendly way? I think it's 
> likely it will help other people with same kinds of problems.
>
> DMD for Windows should work just as well in XP as in later 
> versions, as far as I know. I don't think it depends on any 
> functionality introduced after XP.

operating system + druntime bindings might be the only issue.

Support for XP was dropped because it went EOL and that's it.
The compiler itself just needs to read files, write files, call 
processes and that's it.