[TUHS] First Unix-like OSes not derived from AT&T code?

[Miod Vallat]

> > The compiler was Metaware High C. GCC could not be used to compile the
> > kernel sources unchanged, because one of the locore->trap.c paths was
> > relying upon the stack layout used by the compiler. With that fixed, gcc
> > could be used to build a working kernel.
> 
> does that kernel source tree survive anywhere?

As the person who did that work, it's only in my own AOS tree, which I
really ought to publish somewhere eventually. I also have fixes for gcc
2.95 to make it more reliable on the RT. But ENOTIME at the moment...

Miod