CMake is not finding a usable cc on my cygwin system, I've tried many things.

[Duncan Roe]

Hi Jon,

On Sat, Jul 19, 2025 at 01:45:18PM -0400, cygwin wrote:
> I just worked the CMake configuration command
>
>    cmake -G"Unix Makefiles"
> /cygdrive/C/Users/somia/Downloads/libjpeg-turbo-3.1.1/
>
> and my woes were definitely due to having an msys cmake in my PATH. So,
> guys, the guesses that I was trying with a Windows CMake were close but not
> right on. It was *bash* that was my downfall, oddly enough. The first time
> I invoked cmake I didn't have a cygwin cmake, and bash found the command
> late in my PATH in the MSYS tree and hashed (stored) that path, so that
> even after I installed cygwin cmake it kept calling msys cmake. Msys cmake
> has now gone away for a lengthy vacation and cygwin cmake is producing a
> configuration that is not quite successful but at least is more complete,
> with real configure errors.
>
Bash's `type` builtin would have told you that. `type` also tells you about
aliases and functions, unlike `which` which I haven't used for ages.

Cheers ... Duncan.