From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp0 ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms11 with LMTPS id SHXbDEJT/F/hLQAA0tVLHw (envelope-from ) for ; Mon, 11 Jan 2021 13:31:46 +0000 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp0 with LMTPS id QIClCEJT/F+DOQAA1q6Kng (envelope-from ) for ; Mon, 11 Jan 2021 13:31:46 +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 BA29A9402A9 for ; Mon, 11 Jan 2021 13:31:45 +0000 (UTC) Received: from localhost ([::1]:40446 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kyxIO-0006Dv-GU for larch@yhetil.org; Mon, 11 Jan 2021 08:31:44 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:49276) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kyxHi-0006AE-PH for bug-guix@gnu.org; Mon, 11 Jan 2021 08:31:03 -0500 Received: from debbugs.gnu.org ([209.51.188.43]:44562) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kyxHi-0006TL-I2 for bug-guix@gnu.org; Mon, 11 Jan 2021 08:31:02 -0500 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kyxHi-0006uu-Dm for bug-guix@gnu.org; Mon, 11 Jan 2021 08:31:02 -0500 X-Loop: help-debbugs@gnu.org Subject: bug#45716: Bug in =?UTF-8?Q?=E2=80=98network-interface-names=E2=80=99?= when building guix for aarch64 on x86_64. Resent-From: Ludovic =?UTF-8?Q?Court=C3=A8s?= Original-Sender: "Debbugs-submit" Resent-CC: bug-guix@gnu.org Resent-Date: Mon, 11 Jan 2021 13:31:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 45716 X-GNU-PR-Package: guix X-GNU-PR-Keywords: To: Danny Milosavljevic Received: via spool by 45716-submit@debbugs.gnu.org id=B45716.161037183425041 (code B ref 45716); Mon, 11 Jan 2021 13:31:02 +0000 Received: (at 45716) by debbugs.gnu.org; 11 Jan 2021 13:30:34 +0000 Received: from localhost ([127.0.0.1]:56108 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kyxHG-0006VX-Ef for submit@debbugs.gnu.org; Mon, 11 Jan 2021 08:30:34 -0500 Received: from eggs.gnu.org ([209.51.188.92]:55934) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kyxHE-0006Ov-KY for 45716@debbugs.gnu.org; Mon, 11 Jan 2021 08:30:33 -0500 Received: from fencepost.gnu.org ([2001:470:142:3::e]:36693) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kyxH8-0006L5-H1; Mon, 11 Jan 2021 08:30:26 -0500 Received: from [2a01:e0a:1d:7270:af76:b9b:ca24:c465] (port=57940 helo=ribbon) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1kyxGr-0001Ay-Ok; Mon, 11 Jan 2021 08:30:24 -0500 From: Ludovic =?UTF-8?Q?Court=C3=A8s?= References: <19CC6F6C-98CA-4218-A9E7-FE7AC751E924@vodafonemail.de> <5A46F4E0-9823-4614-A7BC-865F9D7C0FB7@vodafonemail.de> <20210108040445.1444c372@scratchpost.org> X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: 22 =?UTF-8?Q?Niv=C3=B4se?= an 229 de la =?UTF-8?Q?R=C3=A9volution?= X-PGP-Key-ID: 0x090B11993D9AEBB5 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 3CE4 6455 8A84 FDC6 9DB4 0CFB 090B 1199 3D9A EBB5 X-OS: x86_64-pc-linux-gnu Date: Mon, 11 Jan 2021 14:30:08 +0100 In-Reply-To: <20210108040445.1444c372@scratchpost.org> (Danny Milosavljevic's message of "Fri, 8 Jan 2021 04:04:45 +0100") Message-ID: <87a6tfeh3z.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-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-guix@gnu.org List-Id: Bug reports for GNU Guix List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Stefan , 45716@debbugs.gnu.org Errors-To: bug-guix-bounces+larch=yhetil.org@gnu.org Sender: "bug-Guix" X-Migadu-Flow: FLOW_IN X-Migadu-Spam-Score: -2.85 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-Migadu-Queue-Id: BA29A9402A9 X-Spam-Score: -2.85 X-Migadu-Scanner: scn1.migadu.com X-TUID: QVlfeVnCKwi3 Hi Danny, Danny Milosavljevic skribis: >>(define ifreq-struct-size >> ;; 'struct ifreq' begins with an array of IF_NAMESIZE bytes containing = the >> ;; interface name (nul-terminated), followed by a bunch of stuff. This= is >> ;; its size in bytes. >> (if (=3D 8 (sizeof '*)) >> 40 >> 32)) > > I think that should rather be (sizeof* '*) instead of (sizeof '*). Ludo? As you found out, it makes no difference. What changes is that =E2=80=98sizeof*=E2=80=99 is a compile-time computation (but it honors cros= s-compilation targets) whereas =E2=80=98sizeof=E2=80=99 is a call made at run time. Ludo=E2=80=99.