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Re: [bootstrappable] Re: Can Guile be bootstrapped from source without p

From: Ludovic Courtès
Subject: Re: [bootstrappable] Re: Can Guile be bootstrapped from source without psyntax-pp.scm?
Date: Wed, 17 Mar 2021 18:25:10 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux)

Hi Michael,

Michael Schierl <> skribis:

> Am 15.03.2021 um 18:09 schrieb Ludovic Courtès:
>> Woow, this is great news!  I think it would be great towards importing
>> it in Guile proper.
>> To do that, I think we should first get Andy’s opinion on the approach.
> I don't think upstream is very interested in having psyntax-pp.scm
> bootstrappable. In Guile 3.0.3 they broke even the `make
> ice-9/psyntax-pp.scm.gen` target, and did not repair it even in Guile
> 3.0.5, that's why I used 3.0.2 for the bootstrap. But I included a patch
> to repair it in 3.0.5 in case you really want to bootstrap that version
> (psyntax-pp.scm has not changed there). OTOH, from the git log it seems
> like psyntax is currently being overhauled for the next release, so
> probably my code would need some updates for the next version.

Andy made it clear that it was a bug.  There’s an interest in providing
a good bootstrapping story for Guile; that’s why there’s an interpreter
written in C, for example.  I’m sure we’d be happy to address psyntax
bootstrapping as well!

> Also, in the last 15 years I avoided directly contributing to "GNU
> projects" (with FSF as copyright holder in the license headers), reasons
> below. But if anyone else takes my code and upstreams it, I won't object.

Sure, we can discuss the details of how to integrate your code.  (Guile
incorporates code not initially written for Guile, such as sxml or
(ice-9 match), and the policy is to not require copyright assignment for
such code.)

> Regardless, even when not part of Guile, I believe this code is very
> useful for both the live-bootstrap project and Guix to get their Guile
> bootstrapped. And even if nobody ever updates it for 3.0.6+, you can
> always bootstrap the later versions from an earlier Guile. And maybe a
> variation of it lands in GNU Mes, too.

Yes, that would be great.  We’ll have to take a closer look, but I’m
under the impression that a fruitful approach for Guile would be to have
it maintained in-tree; that would immediately benefit all distros.



PS: Not all GNU packages require copyright assignment.  Guix doesn’t,
    for instance, and we’d be happy to get your contributions.  :-)

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