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From: ludo@gnu.org (Ludovic Courtès)
To: "Török Edwin" <edwin+ml-guix@etorok.net>
Cc: 24703@debbugs.gnu.org
Subject: bug#24703: Store references in 8-byte chunks in compiled code
Date: Mon, 17 Oct 2016 14:09:39 +0200	[thread overview]
Message-ID: <87h98bdvng.fsf@gnu.org> (raw)
In-Reply-To: <8f2024ad-13c1-d4b1-1541-c2a5bddcb403@etorok.net> ("Török Edwin"'s message of "Mon, 17 Oct 2016 10:46:59 +0300")

Török Edwin <edwin+ml-guix@etorok.net> skribis:

> On 2016-10-16 22:04, Ludovic Courtès wrote:
>> Mark H Weaver <mhw@netris.org> skribis:
>> 
>>> When grafting, how will we achieve confidence that we've found the
>>> correct occurrence of the last character?  I think we will have to give
>>> up our recently added feature of being able to change the version number
>>> of grafts.
>> 
>> Wait, don’t jump to the conclusions.  :-)
>
> I've just encountered the same problem with fontconfig (after installing GuixSD, running guix pull and guix system reconfigure, --no-grafts was required).
> Would it be possible for the grafts to keep a symlink (somehow registered to be part of the grafted fontconfig so that guix gc doesn't remove it) instead of patching the binaries?
> /gnu/store/<old-hash>-fontconfig-2.11.94 -> /gnu/store/<grafted-hash>-fontconfig-2.11.94

We could use a self symlink, or we could use something like
<http://git.savannah.gnu.org/cgit/guix.git/commit/?id=9d50da70608de32d9db0c29859caec6f2cddb95f>.

Mark, WDYT?

What remains to be seen is how many packages are affected by this issue,
and whether a generic solution needs to be found.

Ludo’.

  parent reply	other threads:[~2016-10-17 12:10 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-16  3:49 bug#24703: fontconfig keeps obfuscated reference to itself, not grafted Mark H Weaver
2016-10-16  4:26 ` Mark H Weaver
2016-10-16  5:00   ` Mark H Weaver
2016-10-16  6:24     ` bug#24703: Store references in 8-byte chunks in compiled code Mark H Weaver
2016-10-16  9:03       ` Mark H Weaver
2016-10-16  9:25       ` Mark H Weaver
2016-10-16 10:15         ` Mark H Weaver
2016-10-16 19:04         ` Ludovic Courtès
2016-10-17  7:46           ` bug#24703: " Török Edwin
2016-10-17  9:42             ` Mark H Weaver
2016-10-17 12:09             ` Ludovic Courtès [this message]
2016-10-18  3:36               ` Mark H Weaver
2016-10-18  8:59                 ` Ludovic Courtès
2016-10-31  6:35                   ` Mark H Weaver
2016-10-31 11:37                     ` Ludovic Courtès
2016-10-24 19:40                 ` Leo Famulari
2016-10-24 20:18                   ` Ludovic Courtès
2016-11-04 23:15                     ` Ludovic Courtès
2016-11-05 18:36                       ` Leo Famulari
2016-11-06 20:58                         ` Ludovic Courtès
2016-11-09 20:40                       ` Ludovic Courtès
2016-11-09 23:16                         ` Leo Famulari
2016-11-10  8:01                           ` Ludovic Courtès
2017-04-02 22:19                             ` Ludovic Courtès
2016-11-11 10:39                         ` Ludovic Courtès
2016-10-19 21:25               ` Török Edwin
2016-10-20 12:25                 ` Ludovic Courtès
2016-10-16 14:42 ` bug#24703: fontconfig keeps obfuscated reference to itself, not grafted Ludovic Courtès
2016-10-16 15:06   ` Ludovic Courtès

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