From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp0 ([2001:41d0:2:bcc0::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms0.migadu.com with LMTPS id uPGPKI+1omEQYQEAgWs5BA (envelope-from ) for ; Sat, 27 Nov 2021 23:47:43 +0100 Received: from aspmx1.migadu.com ([2001:41d0:2:bcc0::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp0 with LMTPS id 2ISJI4+1omFXLgAA1q6Kng (envelope-from ) for ; Sat, 27 Nov 2021 22:47:43 +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 6A6D8823E for ; Sat, 27 Nov 2021 23:47:43 +0100 (CET) Received: from localhost ([::1]:49556 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mr6Tu-0000Rd-KF for larch@yhetil.org; Sat, 27 Nov 2021 17:47:42 -0500 Received: from eggs.gnu.org ([209.51.188.92]:50918) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mr6Tl-0000RU-IV for guix-devel@gnu.org; Sat, 27 Nov 2021 17:47:33 -0500 Received: from sender4-of-o51.zoho.com ([136.143.188.51]:21147) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mr6Tj-0005LW-5x; Sat, 27 Nov 2021 17:47:33 -0500 ARC-Seal: i=1; a=rsa-sha256; t=1638053247; cv=none; d=zohomail.com; s=zohoarc; b=hFt+y4edges4tMUpbZnenonxlmJYW/njtiIrn+KKA9RXzMcisg/PZJDoqGq3tQtKgCOl7OkS4WJeE0tWwxX03DFG7fcLr9vrhT/xmHFxzmUXaq+SlMqcLh8JeM+mU8FheTYjOFzJT/Q1ytzbYELpz1JjpuL6hQuIdQzpXkVCEZk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1638053247; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:To; bh=3dxJDKsQNxJOX4BD1pqkSAoErdtZApwPYgXFVy5/ZRk=; b=GdxfNmMMcFkjX1yaJWapQHi1Sr6GLaWxr4aBG5ZW2oWI3NN0Tj4DM9yANkJw/JQZoTnQy3QkPoTfZkZ40WdjkloeU+ZhbBtoBGqM6/nRnXTsnq/tVGkATljcNuGERMvF6s2vga6otQcAHIK+qJUps0VXbeOBwyPW1fW/hvD51+c= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=elephly.net; spf=pass smtp.mailfrom=rekado@elephly.net; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1638053247; s=zoho; d=elephly.net; i=rekado@elephly.net; h=References:From:To:Cc:Subject:Date:In-reply-to:Message-ID:MIME-Version:Content-Type:Content-Transfer-Encoding; bh=3dxJDKsQNxJOX4BD1pqkSAoErdtZApwPYgXFVy5/ZRk=; b=DswZxlS2fA1n2lieby0GpwrrkTUAeSuZWq5US+jxz3751h3kKS1SjmBPhy8qNv3K +h/i+kNo42RQMS5iKYypd+iDQ5nO0NG/QTTeaNAxLX8YSiUhOz+di4MZLqOSHaRNNTb PbBPnUVnMPl49yusyxosjeVIeSjOr6S1/3oZ5CMA= Received: from localhost (p4fd5a75b.dip0.t-ipconnect.de [79.213.167.91]) by mx.zohomail.com with SMTPS id 1638053240870256.0669214170483; Sat, 27 Nov 2021 14:47:20 -0800 (PST) References: <8735nh8bvw.fsf@inria.fr> User-agent: mu4e 1.6.10; emacs 28.0.50 From: Ricardo Wurmus To: Ludovic =?utf-8?Q?Court=C3=A8s?= Subject: Re: Desktops on non-x86_64 systems Date: Sat, 27 Nov 2021 23:43:41 +0100 In-reply-to: <8735nh8bvw.fsf@inria.fr> X-URL: https://elephly.net X-PGP-Key: https://elephly.net/rekado.pubkey X-PGP-Fingerprint: BCA6 89B6 3655 3801 C3C6 2150 197A 5888 235F ACAC Message-ID: <87sfvhnrm2.fsf@elephly.net> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable X-ZohoMailClient: External Received-SPF: pass client-ip=136.143.188.51; envelope-from=rekado@elephly.net; helo=sender4-of-o51.zoho.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: guix-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: guix-devel@gnu.org, Maxim Cournoyer Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: "Guix-devel" X-Migadu-Flow: FLOW_IN X-Migadu-Country: US ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1638053263; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post:dkim-signature; bh=3dxJDKsQNxJOX4BD1pqkSAoErdtZApwPYgXFVy5/ZRk=; b=Lc9p8SHQjPPykX7RkuVpnxYPBOJrx3reNdE57Y7Pdr4UAJC/t46RsXYjwbjnwwVBI4FJtY GQh60pISZNa5n4Gav7t7KF0w9SJ+xMEFa8LqjcISQZfi1FCyox+wCBK4s4XLIYJrEoyHG0 jeSS0LFQc7sJR5e5oBYf5f5+X5+h3Mw1bzDjwwL+0vjkx6j77ZVHBElmtZEKGvKQqHuNtW v+g4m4RfB16/D6fVC8BTTntTMsLY0B0rqcth+DuPVBPPrbQohkm7nmt5NwiyJZgZdCfaGR ++WzB8pXPLh2ABMQXDm3FaredCnrPFv2Zx5dw36dR8n1X7HGpOZr7RU0JJUiQw== ARC-Seal: i=2; s=key1; d=yhetil.org; t=1638053263; a=rsa-sha256; cv=fail; b=mV1cdS78l1rotASa900gTTooBwh8ng/03LdszfxaKbiUpTWF8XUIE5SBQBVk+I27PTwoOb i+KS51h47qf2+ufUYzYubNvmFhyR59PifzDyqnQx9Rx1RkgNQ9KEo6LC5OKi/dxpseX/ON lvalkVphcd1fxWxkW8iCs8zGRPAyZemNTksZjKof+M5IZcOxZiAfsHulVzwNQTE84pPCqY VhRhvyOea8Xy86wTd+g0hE1QCTFVSiqBX4SENaSqM1Wy+7CHCk/ucIbQi0JLx5YDVF5Vwy QEkn26klHEkK4SbQlgPNHY5DRp5xqWVbdWnzxzBWTHGl4hJSnmxRBUctnpDzSw== ARC-Authentication-Results: i=2; aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=elephly.net header.s=zoho header.b=DswZxlS2; arc=reject ("signature check failed: fail, {[1] = sig:zohomail.com:reject}"); dmarc=none; spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: -0.90 Authentication-Results: aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=elephly.net header.s=zoho header.b=DswZxlS2; arc=reject ("signature check failed: fail, {[1] = sig:zohomail.com:reject}"); dmarc=none; spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: 6A6D8823E X-Spam-Score: -0.90 X-Migadu-Scanner: scn0.migadu.com X-TUID: sW0kj2VE78/0 Ludovic Court=C3=A8s writes: > As you may know, librsvg 2.50 on =E2=80=98core-updates-frozen=E2=80=99 de= pends=20 > on Rust. > However mrustc, which we use to build the first Rust compiler,=20 > currently > only works on x86_64. This means that ~28% of the packages on > =E2=80=98core-updates-frozen=E2=80=99 are x86_64-only (vs. ~15% on =E2=80= =98master=E2=80=99). > > Among these, the most problematic missing packages are desktop > environments: Xfce, GNOME, etc. So far our =E2=80=9Cpledge=E2=80=9D, enc= oded in > =E2=80=98etc/release-manifest.scm=E2=80=99, was that all the desktop=20 > environments would > be available on x86_64 and i686, so that one could install Guix=20 > System > just the same way on both. Currently this is no longer possible=20 > on > =E2=80=98core-updates-frozen=E2=80=99, and I think that=E2=80=99s a probl= em. > > The patch below does something unorthodox: it reintroduces=20 > librsvg 2.40 > (written in C) and uses it selectively so we can have a desktop > environment with Xfce on i686. It=E2=80=99s not enough to get GDM=20 > though; > there=E2=80=99s a couple of GNOME packages that depend on librsvg and I=20 > haven=E2=80=99t > checked whether they work with the old librsvg. There is also the unpleasant option to introduce a rust binary for=20 architectures other than x86_64, because we can=E2=80=99t bootstrap it=20 there. It should be noted that this would not be unprecedented.=20 We have bootstrap binaries for some compilers such as Free Pascal=20 or GHC. Adding an old version of librsvg is not obviously the better=20 option. --=20 Ricardo