Re: [gentoo-dev] My wishlist for EAPI 5

[Richard Yao <ryao@gentoo.org>]

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On 06/20/2012 04:54 PM, Ciaran McCreesh wrote:
> On Wed, 20 Jun 2012 16:50:33 -0400 Richard Yao <ryao@gentoo.org>
> wrote:
>> On 06/20/2012 04:35 PM, Ciaran McCreesh wrote:
>>> On Wed, 20 Jun 2012 16:25:30 -0400 Richard Yao
>>> <ryao@gentoo.org> wrote:
>>>> Multilib (and/or multiarch) support The current binaries
>>>> cause a great deal of pain, particularly when a user does not
>>>> want to upgrade something. I had this problem with WINE and
>>>> glibc because I wanted to avoid the reverse memcpy() fiasco
>>>> on my systems. This situation would have been avoided
>>>> entirely if the package manager supported multilib.
>>> 
>>> This one's unlikely to happen unless someone's prepared to put
>>> in the work.
> 
>> The multilib-portage overlay already has this working.
> 
> But there is no spec, nor is there a developer-centric description
> of it.
> 
>>> So far as I know, every PM relies heavily upon bash anyway
>>> (and can't easily be made not to), so even if developers would
>>> accept having to rewrite all their eclasses, it still wouldn't
>>> remove the dep.
> 
>> Lets address POSIX compliance in the ebuilds first. Then we can
>> deal with the package managers.
> 
> Why? It's highly doubtful the package manglers could switch shells
> even if they wanted to, and even if every ebuild started using EAPI
> 5. It's wasted effort.
> 

Source the ebuild using the system shell, check for WANT_SH. If it
does not exist, proceed. If it does, start over with a different shell.

I do not see any technical problem.
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