Re: Bootstrap optimization

[Mikael Djurfeldt <mikael@djurfeldt.com>]

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Den sön 28 okt. 2018 02:35Mark H Weaver <mhw@netris.org> skrev:

> The downside of this approach to serialization is that when we add file
> X.scm to the list of objects to build serially, we force a full rebuild
> whenever X.scm is modified.  At present, eval.scm is the only file that
> forces a full rebuild.  Your patch would add psyntax-pp.scm to that
> list.
>
> I don't feel strongly about it, and maybe your patch is still a net
> benefit, but I very much wish we had a better way to optimize the early
> bootstrap without adding these bogus dependencies.
>
> > To which branch should this be applied, stable-2.2 or master?
>
> If we decide to adopt this approach, it should probably be committed to
> stable-2.2, but first I'd like to give other people an opportunity to
> share their thoughts on this.
>
> Thoughts?


Thank you for spotting this, Mark. I didn't think of this.

There seems to be a simple solution in using order-only prerequisites. I'll
test this later and suggest a new patch.

Best regards,
Mikael

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