Re: [gentoo-dev] EAPI-2 and src_configure in eclasses

[Zac Medico]

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Ciaran McCreesh wrote:
> On Sun, 5 Oct 2008 17:07:40 +0200
> Alexis Ballier <aballier@g.o> wrote:
>> Maybe eclasses should die on unknown eapi; the fact is I really hate
>> the current way it's done when switching an ebuild to EAPI-2 which
>> uses an eclass that exports src_compile; most eclasses don't special
>> case eapi-2 yet and we end up running econf twice at best. I fear
>> that'll be the same with eapi-3, eapi-4, etc. (supposing that they'll
>> support src_configure too)
>
> There's currently no mechanism for an ebuild or eclass to 'die' in
> global scope.

They can call 'die' in global scope. Perhaps it's not the nicest
thing to do, but it can be done.

> It's something that could be available for future EAPIs without too
> much difficulty, though... We discussed this for Exherbo, and decided
> upon something like this:
>
> * Add a new metadata key called BROKENNESS.
>
> * Any ID with non-empty BROKENNESS is treated as being hard masked and
> not unmaskable by the user, in the same way than an unknown EAPI is.
>
> * Add a function which can only be called in global scope that adds an
> item to BROKENNESS. This does *not* prevent further sourcing.
>
> This one hopefully shouldn't be too hard to implement (Zac?). If people
> are running into excessive difficulties with eclasses, it might be
> worth doing an EAPI 3 quickly with just this addition...
>

Considering that they can already call 'die' in global scope I don't
see it as being that urgent.
- --
Thanks,
Zac
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