[Yhc] YHC fork

[Neil Mitchell]

Hi Andrew,

As Malcolm said, Yhc is now abandoned, so whatever you wish to do with it
is fine by me. The Yhc Core library served me well for my PhD and I still
have several utilities based on it, although I haven't been able to run Yhc
for years.

However, if you want to run any serious programs, you might be better off
translating GHC Core to Yhc Core. That said, compiler hacking is always
fun.

Thanks, Neil

On Monday, May 14, 2012, Malcolm Wallace wrote:

>
> On 9 May 2012, at 21:30, Andrew Oakley wrote:
>
> > In the interests of some program transformations that I want to try out
> > I've decided it would be nice to get a YHC based compiler working again.
>
> Good luck!  Yhc is largely in a state of abandonment, but if you can get
> something useful out of it, please do.
>
> > I've noticed that much of the code is messy and have started to rewrite
> > significant parts.
>
> The actual compiler part is shared once again with nhc98, which is
> almost-but-not-quite dead too: it would be a shame to fork this code yet
> again, if there is a possibility that it could continue to be shared.  I
> have a nightly build job that builds nhc98 in a number of different ways,
> and runs its test suite.  It might pick up some regressions (or highlight
> improvements) as they occur due to your changes.
>
> > I believe that I should be safe to release any derived works under
> > GPLv3 (with some attribution), although it isn't entirely clear. Does
> > anybody disagree?
>
> GPL is explicitly allowed, as far as anyone cares.
>
> Regards,
>    Malcolm
>
>
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