GNU bug report logs - #24712
Grafting of multiple-output dependencies is mishandled

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: ludo <at> gnu.org (Ludovic Courtès)
To: bug-guix <at> gnu.org
Subject: Grafting of multiple-output dependencies is mishandled
Date: Sun, 16 Oct 2016 22:03:08 +0200

Mark reported on IRC that gnome-session, as of v0.11.0-1639-g34f9582,
refers to the grafted “out” of glib, but at the same time refers to the
*ungrafted* “bin” output of glib:

--8<---------------cut here---------------start------------->8---
$ ./pre-inst-env guix build gnome-session
/gnu/store/rchskrbc42yjlb85lq8zigpvynwc2zz7-gnome-session-3.20.2
$ guix gc -R /gnu/store/rchskrbc42yjlb85lq8zigpvynwc2zz7-gnome-session-3.20.2|grep glib-2
/gnu/store/l1s4cw9g58hmcpd2qgbckfl228143qzx-glib-2.48.0
/gnu/store/c4rjjznraqnw7wk7zwr8ndmq7bdmj51q-glib-2.48.0-bin
$ ./pre-inst-env guix build glib
/gnu/store/ya5d1r6bvph3m5nisjywrnkvffpdrjfn-glib-2.48.0-bin
/gnu/store/jav2d6c39k3amv4k1670845li7284a6q-glib-2.48.0-doc
/gnu/store/77f9q6kvgrrwhqbzxzc10bwdwq6kd690-glib-2.48.0
$ ./pre-inst-env guix build glib --no-grafts
/gnu/store/c4rjjznraqnw7wk7zwr8ndmq7bdmj51q-glib-2.48.0-bin
/gnu/store/ib12bfrx83aawhabpp0rijgmm61gi0wg-glib-2.48.0-doc
/gnu/store/l1s4cw9g58hmcpd2qgbckfl228143qzx-glib-2.48.0
--8<---------------cut here---------------end--------------->8---

(This was initially reported at
<http://debbugs.gnu.org/cgi/bugreport.cgi?bug=24418#15> but turned out
to be unrelated.)

Ludo’.

Message #10 received at 24712 <at> debbugs.gnu.org (full text, mbox):

From: ludo <at> gnu.org (Ludovic Courtès)
To: 24712 <at> debbugs.gnu.org
Cc: Mark H Weaver <mhw <at> netris.org>
Subject: Re: bug#24712: Grafting of multiple-output dependencies is mishandled
Date: Tue, 18 Oct 2016 00:03:11 +0200

ludo <at> gnu.org (Ludovic Courtès) skribis:

> Mark reported on IRC that gnome-session, as of v0.11.0-1639-g34f9582,
> refers to the grafted “out” of glib, but at the same time refers to the
> *ungrafted* “bin” output of glib:
>
> $ ./pre-inst-env guix build gnome-session
> /gnu/store/rchskrbc42yjlb85lq8zigpvynwc2zz7-gnome-session-3.20.2
> $ guix gc -R /gnu/store/rchskrbc42yjlb85lq8zigpvynwc2zz7-gnome-session-3.20.2|grep glib-2
> /gnu/store/l1s4cw9g58hmcpd2qgbckfl228143qzx-glib-2.48.0
> /gnu/store/c4rjjznraqnw7wk7zwr8ndmq7bdmj51q-glib-2.48.0-bin
> $ ./pre-inst-env guix build glib
> /gnu/store/ya5d1r6bvph3m5nisjywrnkvffpdrjfn-glib-2.48.0-bin
> /gnu/store/jav2d6c39k3amv4k1670845li7284a6q-glib-2.48.0-doc
> /gnu/store/77f9q6kvgrrwhqbzxzc10bwdwq6kd690-glib-2.48.0
> $ ./pre-inst-env guix build glib --no-grafts
> /gnu/store/c4rjjznraqnw7wk7zwr8ndmq7bdmj51q-glib-2.48.0-bin
> /gnu/store/ib12bfrx83aawhabpp0rijgmm61gi0wg-glib-2.48.0-doc
> /gnu/store/l1s4cw9g58hmcpd2qgbckfl228143qzx-glib-2.48.0

I believe this is fixed by 3d47aa81ba4c19b45ce9a9ff0ece0252777ea8ed.

Mark, could you check with the Bash replacement you wanted to add?

Thanks,
Ludo’.

Message #13 received at 24712 <at> debbugs.gnu.org (full text, mbox):

From: Mark H Weaver <mhw <at> netris.org>
To: ludo <at> gnu.org (Ludovic Courtès)
Cc: 24712 <at> debbugs.gnu.org
Subject: Re: bug#24712: Grafting of multiple-output dependencies is mishandled
Date: Mon, 17 Oct 2016 23:22:53 -0400

ludo <at> gnu.org (Ludovic Courtès) writes:

> ludo <at> gnu.org (Ludovic Courtès) skribis:
>
>> Mark reported on IRC that gnome-session, as of v0.11.0-1639-g34f9582,
>> refers to the grafted “out” of glib, but at the same time refers to the
>> *ungrafted* “bin” output of glib:
>>
>> $ ./pre-inst-env guix build gnome-session
>> /gnu/store/rchskrbc42yjlb85lq8zigpvynwc2zz7-gnome-session-3.20.2
>> $ guix gc -R /gnu/store/rchskrbc42yjlb85lq8zigpvynwc2zz7-gnome-session-3.20.2|grep glib-2
>> /gnu/store/l1s4cw9g58hmcpd2qgbckfl228143qzx-glib-2.48.0
>> /gnu/store/c4rjjznraqnw7wk7zwr8ndmq7bdmj51q-glib-2.48.0-bin
>> $ ./pre-inst-env guix build glib
>> /gnu/store/ya5d1r6bvph3m5nisjywrnkvffpdrjfn-glib-2.48.0-bin
>> /gnu/store/jav2d6c39k3amv4k1670845li7284a6q-glib-2.48.0-doc
>> /gnu/store/77f9q6kvgrrwhqbzxzc10bwdwq6kd690-glib-2.48.0
>> $ ./pre-inst-env guix build glib --no-grafts
>> /gnu/store/c4rjjznraqnw7wk7zwr8ndmq7bdmj51q-glib-2.48.0-bin
>> /gnu/store/ib12bfrx83aawhabpp0rijgmm61gi0wg-glib-2.48.0-doc
>> /gnu/store/l1s4cw9g58hmcpd2qgbckfl228143qzx-glib-2.48.0
>
> I believe this is fixed by 3d47aa81ba4c19b45ce9a9ff0ece0252777ea8ed.

Indeed, this seems to have improved things, thanks!

Unfortunately:

> Mark, could you check with the Bash replacement you wanted to add?

I tried it, and now *every* derivation fails, even simple things like
imported-module compiles, because 'guile-final' crashes while booting
within the build container.  Outside of the build container, it works
fine.

To make a long story short, it turns out that #24703 is the cause.  My
'guile-final' is grafted, using a 'glibc-final' grafted to use the new
Bash.  The only problem is, 'glibc-final' is still trying to load its
'gconv' modules from the ungrafted 'glibc-final'.  Thanks to 3d47aa81,
there are no longer any *visible* references to the ungrafted
'glibc-final', so it's no longer being included in the build
environment.

      Mark

Message #16 received at 24712 <at> debbugs.gnu.org (full text, mbox):

From: ludo <at> gnu.org (Ludovic Courtès)
To: Mark H Weaver <mhw <at> netris.org>
Cc: 24712 <at> debbugs.gnu.org
Subject: Re: bug#24712: Grafting of multiple-output dependencies is mishandled
Date: Tue, 18 Oct 2016 10:30:20 +0200

Mark H Weaver <mhw <at> netris.org> skribis:

> To make a long story short, it turns out that #24703 is the cause.  My
> 'guile-final' is grafted, using a 'glibc-final' grafted to use the new
> Bash.  The only problem is, 'glibc-final' is still trying to load its
> 'gconv' modules from the ungrafted 'glibc-final'.  Thanks to 3d47aa81,
> there are no longer any *visible* references to the ungrafted
> 'glibc-final', so it's no longer being included in the build
> environment.

Ouch, OK.  (At least 3d47aa81 has the intended effect…)

Ludo’.

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