Import C under Windows 10

[drug007]

On 4/14/26 17:25, DLearner wrote:
> This relates to:
> 
> ```
> DMD64 D Compiler v2.112.0
> Copyright (C) 1999-2025 by The D Language Foundation, All Rights 
> Reserved written by Walter Bright
> 
> ```
> 
> While trying to compile and run hello.c (ie trying out Import C):
> 
> ```
> #include <stdio.h>
> int main()
> {
>     printf("Hello world.\n");
>     return 0;
> }
> 
> ```
> 
> I got
> 
> ```
> Error: cl.exe not found. Please ensure that Visual Studio Build Tools 
> are installed and properly configured.
> ```
> despite repeatedly downloading everything I could find relating to 
> Visual Studio 2019.
> 
> FWIW, isn't 'cl.exe' MS's _own_ C compiler - I wanted to use the C 
> compiler within DMD.
> 
> Ideas?

I don't use Windows so I can't help you but despite the fact that 
cl.exe is MS's own C compiler, dmd uses C compiler just to call the 
corresponding preprocessor. You can call it yourself and feed 
preprocessed files to dmd directly. You don't need any C compiler but 
you need a C preprocessor