Import C under Windows 10

[Ferhat Kurtulmuş]

On Tuesday, 14 April 2026 at 14:25:29 UTC, 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?

Usually, Windows Command Prompt does not automatically recognize 
VS compilers (due to PATH issues). Just run everything in a x64 
Native Tools Command Prompt for VS 2019 (or 32 bit).