From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp1 ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms11 with LMTPS id WKJFEE4hc188ZgAA0tVLHw (envelope-from ) for ; Tue, 29 Sep 2020 11:58:06 +0000 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp1 with LMTPS id 4FoEDE4hc1+yeAAAbx9fmQ (envelope-from ) for ; Tue, 29 Sep 2020 11:58:06 +0000 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id A41069402B1 for ; Tue, 29 Sep 2020 11:58:05 +0000 (UTC) Received: from localhost ([::1]:42028 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kNEGi-0000cr-DZ for larch@yhetil.org; Tue, 29 Sep 2020 07:58:04 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41154) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kNEFi-0008Ee-21 for bug-guix@gnu.org; Tue, 29 Sep 2020 07:57:02 -0400 Received: from debbugs.gnu.org ([209.51.188.43]:43538) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kNEFh-0002Ax-Od for bug-guix@gnu.org; Tue, 29 Sep 2020 07:57:01 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kNEFh-0005K6-KP for bug-guix@gnu.org; Tue, 29 Sep 2020 07:57:01 -0400 X-Loop: help-debbugs@gnu.org Subject: bug#43668: Daemon tries to build GNU/Hurd derivations on GNU/Linux Resent-From: Jan Nieuwenhuizen Original-Sender: "Debbugs-submit" Resent-CC: bug-guix@gnu.org Resent-Date: Tue, 29 Sep 2020 11:57:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 43668 X-GNU-PR-Package: guix X-GNU-PR-Keywords: To: Ludovic =?UTF-8?Q?Court=C3=A8s?= Received: via spool by 43668-submit@debbugs.gnu.org id=B43668.160138056220390 (code B ref 43668); Tue, 29 Sep 2020 11:57:01 +0000 Received: (at 43668) by debbugs.gnu.org; 29 Sep 2020 11:56:02 +0000 Received: from localhost ([127.0.0.1]:55084 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kNEEk-0005Io-5n for submit@debbugs.gnu.org; Tue, 29 Sep 2020 07:56:02 -0400 Received: from eggs.gnu.org ([209.51.188.92]:34064) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kNEEh-0005IJ-I7 for 43668@debbugs.gnu.org; Tue, 29 Sep 2020 07:56:00 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:35970) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kNEEb-00022S-NV; Tue, 29 Sep 2020 07:55:53 -0400 Received: from [2001:980:1b4f:1:42d2:832d:bb59:862] (port=47624 helo=dundal.janneke.lilypond.org) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1kNEEb-0002Ki-7F; Tue, 29 Sep 2020 07:55:53 -0400 From: Jan Nieuwenhuizen Organization: AvatarAcademy.nl References: <87a6xacmw5.fsf@inria.fr> <875z7ychvp.fsf@gnu.org> <87lfgurwaa.fsf@gnu.org> <87r1qlk4v6.fsf@gnu.org> X-Url: http://AvatarAcademy.nl Date: Tue, 29 Sep 2020 13:55:50 +0200 In-Reply-To: <87r1qlk4v6.fsf@gnu.org> ("Ludovic =?UTF-8?Q?Court=C3=A8s?="'s message of "Mon, 28 Sep 2020 22:45:17 +0200") Message-ID: <877dsc3igp.fsf@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -2.3 (--) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-Spam-Score: -3.3 (---) X-BeenThere: bug-guix@gnu.org List-Id: Bug reports for GNU Guix List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: 43668@debbugs.gnu.org Errors-To: bug-guix-bounces+larch=yhetil.org@gnu.org Sender: "bug-Guix" X-Scanner: scn0 Authentication-Results: aspmx1.migadu.com; dkim=none; dmarc=pass (policy=none) header.from=gnu.org; spf=pass (aspmx1.migadu.com: domain of bug-guix-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=bug-guix-bounces@gnu.org X-Spam-Score: -1.51 X-TUID: DvOp8I3X7DO7 Ludovic Court=C3=A8s writes: Hi! > Jan Nieuwenhuizen skribis: > >>> Ludovic Court=C3=A8s skribis: >>> >> Displaying notes found in: .note.ABI-tag >> Owner Data size Description >> GNU 0x00000010 NT_GNU_ABI_TAG (ABI version tag) >> OS: Hurd, ABI: 0.0.0 > > Oh, well done, I browsed =E2=80=98file=E2=80=99 but didn=E2=80=99t find i= t. :-) >>> So I think we can=E2=80=99t count on an =E2=80=98execve=E2=80=99 error = and thus have to treat >>> this case (same architecture but different OS kernel) specially, as >>> shown below. >>> >>> Thoughts? >> >> If that really doesn't work...then yeah (yuck ;-) > > Yeah, I think we=E2=80=99ll have to do this hack (we=E2=80=99re not going= to parse ELF > files and all to determine whether to call =E2=80=98execve=E2=80=99.) Ah, we're C++; I was thinking Guile and "we surely have" an ELF library. That's allright then. Let's have this workaround. > (Besides, it would be interesting to understand how the libc/Hurd > startup code ends up segfaulting on GNU/Linux.) Hmm...are you saying something like "it could run until it wants to RCP Mach or Hurd?" Might it "just load" shared libraries... Greetings, Janneke --=20 Jan Nieuwenhuizen | GNU LilyPond http://lilypond.org Freelance IT http://JoyofSource.com | Avatar=C2=AE http://AvatarAcademy.com