From: Efraim Flashner <efraim@flashner.co.il>
To: Maxim Cournoyer <maxim.cournoyer@gmail.com>
Cc: "Andreas Enge" <andreas@enge.fr>,
"Josselin Poiret" <dev@jpoiret.xyz>,
"Steve George" <steve@futurile.net>,
Kaelyn <kaelyn.alexi@protonmail.com>,
guix-devel@gnu.org, "Ludovic Courtès" <ludo@gnu.org>
Subject: Re: Core updates status
Date: Mon, 13 May 2024 11:51:32 +0300 [thread overview]
Message-ID: <ZkHUlNxHzvfheFM_@3900XT> (raw)
In-Reply-To: <875xvn2dy8.fsf@gmail.com>
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On Thu, May 09, 2024 at 11:38:07AM -0400, Maxim Cournoyer wrote:
> Hi Andreas,
>
> Andreas Enge <andreas@enge.fr> writes:
>
> > Hello,
> >
> > Am Mon, May 06, 2024 at 10:47:13AM +0200 schrieb Josselin Poiret:
> >> Maxim Cournoyer <maxim.cournoyer@gmail.com> writes:
> >> > I don't mind too much; when we re-enable the change we should add a
> >> > phase to the gnu-build-system automatically deleting/moving the libtool
> >> > archives. so that we're covered.
> >>
> >> I agree, although we'll have to be careful since some packages might
> >> need them if they don't use pkg-config!
> >
> > I am a little bit confused by the suggestion; you mean removing all .la
> > files from all packages?
>
> Yes!
>
> > I thought they were there for a reason, and usually recorded the
> > dependencies. For instance, doing a "guix build mpc" and looking at
> > libmpc.la, my impression is that I see correct information.
>
> libtool records the *transitive* dependencies, as would be useful when
> doing static builds but not shared builds, as the dependencies are
> already recorded in the RUNPATH of the built ELF binaries. For our
> overwhelming common case (shared libraries) on GNU+Linux, these files
> are thus unnecessary and when used they lead to over-linking (due to
> listing the whole *transitive* dependencies) for shared library. That
> in turn muddles the dependency graph (as more references get retain in
> the RUNPATH) and forces us to propagate more stuff.
>
> > Why would
> > one want to force upstream to add a pkgconfig dependency additionally
> > to libtool? Or do I misunderstand the suggestion?
>
> I hope my explanation above make it clear why libtool for our common
> case of building shared libraries is not useful.
>
> It could be useful when building shared libraries or targeting some
> systems such as Android, which linker is very dumb or so I've heard. My
> suggestion is to delete them by default, or move them to a 'libtool'
> output when one is available (similarly to how we handle debug symbol
> files).
>
> --
> Thanks,
> Maxim
It would be interesting to move them to a 'static' or a 'libtool' output
by default.
--
Efraim Flashner <efraim@flashner.co.il> רנשלפ םירפא
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prev parent reply other threads:[~2024-05-13 8:52 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-24 6:08 Core updates status Steve George
2024-04-24 9:56 ` Christina O'Donnell
2024-04-24 13:17 ` Steve George
2024-04-24 14:21 ` Christina O'Donnell
2024-04-25 14:06 ` Christina O'Donnell
2024-04-25 14:06 ` bug#40316: " Christina O'Donnell
2024-04-25 17:01 ` nss not reproducible Christina O'Donnell
2024-04-25 18:45 ` Core updates status Kaelyn
2024-04-26 12:56 ` Steve George
2024-04-26 15:58 ` Efraim Flashner
2024-05-05 20:45 ` Josselin Poiret
2024-05-06 2:38 ` Maxim Cournoyer
2024-05-06 8:47 ` Josselin Poiret
2024-05-06 10:21 ` Ludovic Courtès
2024-05-08 9:03 ` Josselin Poiret
2024-05-08 21:42 ` [PATCH] gnu: glibc: Update patches following upstream's master branch Josselin Poiret
2024-05-14 9:22 ` Ludovic Courtès
2024-05-09 15:41 ` Core updates status Maxim Cournoyer
2024-05-13 8:49 ` Efraim Flashner
2024-05-08 10:05 ` Andreas Enge
2024-05-08 17:46 ` Felix Lechner via Development of GNU Guix and the GNU System distribution.
2024-05-09 15:38 ` Maxim Cournoyer
2024-05-10 8:08 ` Andreas Enge
2024-05-13 8:51 ` Efraim Flashner [this message]
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