Re: [gentoo-dev] [gentoo-portage-dev] About forcing rebuilds of other packages issue

[Zac Medico]

On 06/06/2012 02:59 PM, Brian Harring wrote:
> On Tue, Jun 05, 2012 at 07:18:01PM -0700, Zac Medico wrote:
>> On 06/05/2012 05:51 PM, Michael Weber wrote:
>>> Is there any chance to detect this ZLIB_VERSION problem with
>>> revdep-rebuild (worst case: add a list of possibly broken packages
>>> with tests)?
>>
>> I'd suggest a special ebuild phase to check for ABI changes, like the
>> pre_pkg_preinst_abi_check phase suggested here:
>>
>>   https://bugs.gentoo.org/show_bug.cgi?id=192319#c20
>
> Same thing I said in '07; I don't have a problem w/ hooks for ebuilds
> to specify additional QA checks, but this *cannot* be the user's end
> solution- it needs to be purely for making it easier for devs to spot
> their screwups.  In other words, revdep-rebuild shouldn't be involved;
> this should spot/complain that zlib (for example) changed abi w/out a
> matching metadata setting/whatever, rather than having checks done in
> the consumers.
>
> Using this for anything other than a QA check of the originating
> package, basically has an end result of us going towards a
> non-deterministic resolution model- which is a clusterfuck, frankly.

Yeah, I'm sure we can all agree that we would like the dependency
resolver to be able to predict/display all of the rebuilds that will
need to occur, before any building starts.
-- 
Thanks,
Zac