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Message-ID: <1402763759.16949.6.camel@rook>
Subject: Re: [gentoo-dev] Subslots: should they be bumped like SONAME or on
 any ABI changes?
From: Alexandre Rostovtsev <tetromino@gentoo.org>
To: gentoo-dev@lists.gentoo.org
Date: Sat, 14 Jun 2014 12:35:59 -0400
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On Sat, 2014-06-14 at 17:31 +0100, Ciaran McCreesh wrote:
> On Sat, 14 Jun 2014 12:17:52 -0400
> Alexandre Rostovtsev <tetromino@gentoo.org> wrote:
> > On Sat, 2014-06-14 at 16:56 +0100, Ciaran McCreesh wrote:
> > > On Sat, 14 Jun 2014 11:50:29 -0400
> > > Alexandre Rostovtsev <tetromino@gentoo.org> wrote:
> > > > On Sat, 2014-06-14 at 16:13 +0100, Ciaran McCreesh wrote:
> > > > > On Sat, 14 Jun 2014 16:41:51 +0200
> > > > > Micha=C5=82 G=C3=B3rny <mgorny@gentoo.org> wrote:
> > > > > > However, this means that we force much more rebuilds than
> > > > > > necessary.
> > > > >=20
> > > > > This shouldn't be considered to be a problem.
> > > >=20
> > > > This would be suicide for Gentoo as a distro. Organizations that
> > > > have a dedicated build server and a standardized /etc/portage
> > > > config tree pushed to all user machines could rebuild half of
> > > > @world once a week. Individual users running Gentoo on a single
> > > > workstation or server can't and won't.
> > >=20
> > > Then either Gentoo should ship binary packages, or the user should
> > > find another distribution.
> > >=20
> > > Gentoo *already* does a full rebuild for packages whose bumps or
> > > revbumps just result in one text file changing. So long as there
> > > isn't a mechanism and full ebuild support in place to prevent this,
> > > it's a silly argument.
> >=20
> > You don't see the difference between unnecessarily rebuilding one
> > package (because a text file changed) and unnecessarily rebuilding a
> > hundred packages (because libfoo added a new function)? Especially
> > since maintainers of packages with long compile times understandably
> > tend to be a bit conservative with their revision bumps, but have no
> > control over when their package's dependencies get subslotbumped.
>=20
> So why isn't there a call for a feature to make ebuilds not recompile
> the nine out of ten libraries and binaries that they provide that
> haven't changed on a bump?

I cannot speak for others, but I haven't called for such a feature
because it seems to be impossible to implement. If you have an idea for
how this can be done, I for one would love to hear.

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