I believe the first Minix C compilers were based on the Amsterdam
Compiler Kit, so that's another early source.

On 03/07/2024 08:28 PM, George Michaelson wrote:
> Ben Golding, an Australian C compiler person once told me gnu/gcc
> wiped out his business. I think it certainly thinned out the ranks a bit.
>
> G
>
>
>