From: Pacho Ramos <pacho@gentoo.org>
To: gentoo-dev@lists.gentoo.org
Subject: Re: [gentoo-dev] Adding --as-needed to LDFLAGS in profiles/default/linux/make.defaults
Date: Mon, 28 Jun 2010 10:42:29 +0200 [thread overview]
Message-ID: <1277714549.6857.1.camel@localhost.localdomain> (raw)
In-Reply-To: <AANLkTikRpyKw2cXXQ0NfvXoqbod5vVmLBLhZWDbx3Ytx@mail.gmail.com>
[-- Attachment #1: Type: text/plain, Size: 2412 bytes --]
El lun, 28-06-2010 a las 06:39 +0530, Nirbheek Chauhan escribió:
> Hello everyone,
>
> I'm sure at least half of you are thinking "Oh no, not this again...",
> and I agree. However, I'm /also/ thinking "Why the heck haven't we
> done this yet?"
>
> We've been discussing this since 2008, and probably waaay before that
> too. The entire discussion about whether we should do this or not has
> already passed, there is NO NEED to have that again. This email is
> about discussion on what all is *left* before we can do $SUBJECT.
>
> What prompted this email? libpng-1.4 and many other upgrades that have
> left gentoo systems very very broken. We have to resort to random
> scripts to fix breakage, which reflects very badly on us. Even worse,
> a lot of users just give up and reinstall their system, or don't
> upgrade, or just move away from Gentoo.
>
> I understand that these kind of breakages are inevitable, but with
> as-needed, we can reduce their effect *drastically*. Instead of having
> to rebuild almost their entire system, the user would only need to
> rebuild packages that directly link(ed) to libpng. I honestly think
> that we cannot afford to expose our users to any more such upgrades
> without as-needed in the default linux profile.
>
> There's a tracker bug for this, and the problems still remaining are:
> http://bugs.gentoo.org/showdependencytree.cgi?id=129413&hide_resolved=1
>
> *Most* of the problems listed there are forced-as-needed problems,
> which need to be fixed no doubt, but should NOT block addition of
> --as-needed to LDFLAGS in make.defaults which will not trigger those
> build failures.
>
> What needs to be done now is for someone with lots of CPU power to
> grab the list of packages[1], and build them one-by-one (all
> versions), adding to a new list all the ebuilds that fail. How to
> test:
>
> LDFLAGS="-Wl,--as-needed" emerge -v1 $atom
>
> Once we have the list that fails with normal as-needed, we can fix
> them, get the fix upstreamed (if possible), and switch the flag on.
> This action should probably be accompanied by a news item informing
> users about the change, and encouraging them to report the (rare) bug
> which might hit them.
>
> Let's try to make Gentoo less frustrating for our users.
>
> 1. http://dev.gentoo.org/~nirbheek/files/as-needed-failures.list
Thanks for taking care
[-- Attachment #2: This is a digitally signed message part --]
[-- Type: application/pgp-signature, Size: 198 bytes --]
next prev parent reply other threads:[~2010-06-28 8:43 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-28 1:09 [gentoo-dev] Adding --as-needed to LDFLAGS in profiles/default/linux/make.defaults Nirbheek Chauhan
2010-06-28 7:23 ` [gentoo-dev] " Christian Faulhammer
2010-06-28 7:35 ` [gentoo-dev] " Ciaran McCreesh
2010-06-28 7:44 ` Samuli Suominen
2010-06-28 7:51 ` Ciaran McCreesh
2010-06-28 8:04 ` [gentoo-dev] " Nikos Chantziaras
2010-06-28 8:08 ` [gentoo-dev] " Samuli Suominen
2010-06-28 8:10 ` Nirbheek Chauhan
2010-06-28 13:43 ` Thomas Anderson
2010-06-28 13:59 ` Roy Bamford
2010-06-28 14:05 ` Ciaran McCreesh
2010-06-29 3:30 ` Jeroen Roovers
2010-06-29 7:23 ` Ciaran McCreesh
2010-06-29 8:46 ` Alex Alexander
2010-06-29 17:25 ` David Leverton
2010-06-29 17:59 ` Alex Alexander
2010-07-05 13:01 ` [gentoo-dev] " Peter Hjalmarsson
2010-07-05 13:47 ` Arun Raghavan
2010-07-05 14:25 ` David Leverton
2010-06-28 8:16 ` [gentoo-dev] " Ciaran McCreesh
2010-06-28 11:09 ` [gentoo-dev] " Duncan
2010-06-28 11:46 ` David Leverton
2010-06-28 15:21 ` Brian Harring
2010-06-29 6:27 ` [gentoo-dev] [OT] h v l Mike Frysinger
2010-06-29 6:35 ` Luis Araujo
2010-06-28 8:17 ` [gentoo-dev] Adding --as-needed to LDFLAGS in profiles/default/linux/make.defaults Markos Chandras
2010-06-28 9:21 ` Nirbheek Chauhan
2010-06-28 8:42 ` Pacho Ramos [this message]
2010-06-28 12:11 ` Alex Alexander
2010-06-29 17:04 ` David Leverton
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1277714549.6857.1.camel@localhost.localdomain \
--to=pacho@gentoo.org \
--cc=gentoo-dev@lists.gentoo.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox