GNU bug report logs - #48963
"guix build guix" halts after exhausting memory

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Message #36 received at 48963-done <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: Julien Lepiller <julien <at> lepiller.eu>
Cc: 48963-done <at> debbugs.gnu.org
Subject: Re: bug#48963: "guix build guix" halts after exhausting memory
Date: Wed, 23 Jun 2021 23:43:55 +0200

Hi,

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

> Julien Lepiller <julien <at> lepiller.eu> skribis:

>> Can we instead break the build (at the Makefile level) into multiple
>> smaller chunks, that require less memory, in the same way (guix self)
>> works?
>
> Yes, that’s a good idea.
>
> Could you check the extent to which the attached patch helps on this
> machine?
>
> It doesn’t split as much as (guix self) does, only in three pieces, but
> hopefully that helps a bit.  A side effect is that progress report is
> now off, but we can fix it later.

I pushed a variant of this patch, resorting to an ugly hack so that
compile-all.scm can still estimate progress.  The estimate is correct if
you’re building all the .go files, not so much if you just do, say:

  make
  rm guix/cpio.go && make

because guix/cpio.scm is in the first module set, so it’ll think it’s
starting from scratch and display “0%”.

Fixing it is left as an exercise to the reader.  :-)

It seemed more important to me to fix the memory exhaustion issue first.

Thanks,
Ludo’.

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