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 zy3gCTr78V4yJAAA0tVLHw (envelope-from ) for ; Tue, 23 Jun 2020 12:53:14 +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 PNhFBTr78V7QRQAAbx9fmQ (envelope-from ) for ; Tue, 23 Jun 2020 12:53:14 +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 7DEBC940655 for ; Tue, 23 Jun 2020 12:53:13 +0000 (UTC) Received: from localhost ([::1]:50612 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jniQJ-0003OE-3w for larch@yhetil.org; Tue, 23 Jun 2020 08:53:11 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44906) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jniQA-0003Nt-Jc for bug-guix@gnu.org; Tue, 23 Jun 2020 08:53:02 -0400 Received: from debbugs.gnu.org ([209.51.188.43]:52359) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jniQA-0006Vh-An for bug-guix@gnu.org; Tue, 23 Jun 2020 08:53:02 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1jniQA-0006on-8f for bug-guix@gnu.org; Tue, 23 Jun 2020 08:53:02 -0400 X-Loop: help-debbugs@gnu.org Subject: bug#41982: [PATCH 0/1] gnu: grub: Cross-build fix for system i686-linux. Resent-From: Jan Nieuwenhuizen Original-Sender: "Debbugs-submit" Resent-CC: bug-guix@gnu.org Resent-Date: Tue, 23 Jun 2020 12:53:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 41982 X-GNU-PR-Package: guix X-GNU-PR-Keywords: patch To: Ludovic =?UTF-8?Q?Court=C3=A8s?= Received: via spool by 41982-submit@debbugs.gnu.org id=B41982.159291678026201 (code B ref 41982); Tue, 23 Jun 2020 12:53:02 +0000 Received: (at 41982) by debbugs.gnu.org; 23 Jun 2020 12:53:00 +0000 Received: from localhost ([127.0.0.1]:35672 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jniQ7-0006oW-Ru for submit@debbugs.gnu.org; Tue, 23 Jun 2020 08:53:00 -0400 Received: from eggs.gnu.org ([209.51.188.92]:58704) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jniQ4-0006oJ-Pd for 41982@debbugs.gnu.org; Tue, 23 Jun 2020 08:52:58 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:60926) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jniPy-0006P9-CG; Tue, 23 Jun 2020 08:52:50 -0400 Received: from [2001:980:1b4f:1:42d2:832d:bb59:862] (port=42704 helo=dundal.peder.onsbrabantnet.nl) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1jniPx-0001fn-Q9; Tue, 23 Jun 2020 08:52:50 -0400 From: Jan Nieuwenhuizen Organization: AvatarAcademy.nl References: <87pn9sy14x.fsf@gnu.org> <87366m3zdt.fsf@gnu.org> X-Url: http://AvatarAcademy.nl Date: Tue, 23 Jun 2020 14:52:46 +0200 In-Reply-To: <87366m3zdt.fsf@gnu.org> ("Ludovic \=\?utf-8\?Q\?Court\=C3\=A8s\=22'\?\= \=\?utf-8\?Q\?s\?\= message of "Tue, 23 Jun 2020 11:27:58 +0200") Message-ID: <87h7v2rlk1.fsf@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (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: 41982@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=none; 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: -1.01 X-TUID: 4IwmmKaCq6/v Ludovic Court=C3=A8s writes: Hello, > Jan Nieuwenhuizen skribis: > >> Attempting to reconfigure a i686-linux guix system to a Hurd system, I >> found that the Grub(-minimal) cross build fails like this >> >> i586-pc-gnu-gcc -DHAVE_CONFIG_H -I. -I.. -Wall -W >> -DGRUB_MACHINE_PCBIOS=3D1 -DGRUB_MACHINE=3DI386_PC -m32 -nostdinc >> -isystem >> /gnu/store/5s0ldm31100d9ix15d1lmbsvi0aa77pq-gcc-cross-i586-pc-gnu-7.5.0-= lib/lib/gcc/i586-pc-gnu/7.5.0/include >> -I../include -I../include -DGRUB_FILE=3D\"lib/cmos_datetime.c\" [..] >> lib/.deps-core/datetime_module-cmos_datetime.Tpo -c -o >> lib/datetime_module-cmos_datetime.o `test -f 'lib/cmos_datetime.c' >> || echo './'`lib/cmos_datetime.c >> lib/i386/relocator64.S: Assembler messages: >> lib/i386/relocator64.S:66: Error: unknown pseudo-op: `.code64' >> lib/i386/relocator64.S:74: Error: bad register name `%rax' >> lib/i386/relocator64.S:98: Error: bad register name `%rax' >> lib/i386/relocator64.S:132: Error: bad register name `%rip)' > > Interesting. Why doesn=E2=80=99t it happen when doing: > > guix build grub-minimal -s i686-linux > > ? That=E2=80=99s because =E2=80=98as=E2=80=99 supports =E2=80=98.code64= =E2=80=99 there? Ah, that could be a switch! I imagined ".code64" was not supported, "just like" using 64-bit registers. >> I am not sure if and how to report this upstream. Ideas for a bug >> description? Apparently, non-cross builds "just" work (how?!). > > The issue seems to be that =E2=80=98.code64=E2=80=99 is not supported by = cross > assemblers to 32-bit Intel, right? That could be part of the problem, I don't know. I tested =E2=80=98.code64= =E2=80=99 on a 32-bit machine and get --8<---------------cut here---------------start------------->8--- gcc -c foo-64.S foo-64.S: Assembler messages: foo-64.S:23: Error: unknown pseudo-op: `.code64' foo-64.S:24: Error: bad register name `%rax' foo-64.S:48: Error: unknown pseudo-op: `.code64' foo-64.S:49: Error: bad register name `%rip)' --8<---------------cut here---------------end--------------->8--- so, I'm not sure what's the idea here. > Is this a defect of cross-as in general, or a misconfiguration in our > Guix package? Or is this normal behavior that should be fixed in GRUB? Good question. I will send the patch upstream (to Grub), maybe they can share some light on this? > Anyway, the patch LGTM! Pushed to master as cd6b0910dc471afb76677109625af0a42ce3056a Thanks! Janneke --=20 Jan Nieuwenhuizen | GNU LilyPond http://lilypond.org Freelance IT http://JoyofSource.com | Avatar=C2=AE http://AvatarAcademy.com