Import C under Windows 10

[Dennis]

On Thursday, 16 April 2026 at 19:30:48 UTC, DLearner wrote:
> It's just that cl.exe is less than 1Mb, yet the Visual Studio 
> download to be able to use it is over 10Gb!

Unfortunately, Microsoft doesn't allow redistributing Visual 
Studio Build Tools.

> And one seems to be forced to use the 'Developer Powershell', 
> which is very sluggish compared to the normal terminal window 
> (if you run DMD in the normal terminal window it can't find 
> cl.exe).

DMD has a bunch of logic trying to find the Visual Studio 
installation path:

https://github.com/dlang/dmd/blob/2a47bdaafa58a90af9d6ce621f561ef9eb0bc5fd/compiler/src/dmd/vsoptions.d#L213

Did you install it in a special way, or modify your registry / 
environment variables in any way?