Problem with ImportC example?

[bachmeier]

On Wednesday, 18 January 2023 at 16:37:17 UTC, Ali Çehreli wrote:
> On 1/18/23 08:04, DLearner wrote:
>
> > Unfortunately, neither works:
> > ```
> > C:\Users\SoftDev>cl.exe
> > 'cl.exe' is not recognized as an internal or external command,
> > operable program or batch file.
>
> That supports the theory that you don't have a C compiler 
> installed that dmd can use for preprocessing C files.
>
> Ali

The [documentation](https://dlang.org/spec/importc.html#auto-cpp) 
says

> When compiling for Windows with the -m32mscoff or the -m64 
> switch, cl.exe /P /Zc:preprocessor will be used as the 
> preprocessor.

It might be useful for someone to add more information. I would 
certainly have no idea what that means if I tried to use Windows.