From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7A284C9830E for ; Fri, 25 Sep 2026 16:02:22 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1xA8Mj-0002nw-6G; Fri, 25 Sep 2026 12:01:37 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1xA8MF-0002Ze-UL for qemu-devel@nongnu.org; Fri, 25 Sep 2026 12:01:11 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1xA8MD-00070W-HU for qemu-devel@nongnu.org; Fri, 25 Sep 2026 12:01:07 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1790352064; h=from:from:reply-to: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; bh=aIN44wlBlYl5RyHQG3XeKsF0nfrLLewCiPiycYSHPXw=; b=iHvUuE2YGcENePE5MMGG99aZ/WzXNsorpdscRbN5DCFN4MKsvIqbPlcF1gCb9sA5XEEZzI 4gfOR7rdzXCW+GA8iFrABwLy6MNoL6yp3TEo4/e+XJulNkqgpJxHButSvHQ40IB/CR9gwR INm9B2n847zO++q/9ig+PhRFV/couAU= Received: from mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-274-RVlHp2ShOqSZTElHSDHj-A-1; Fri, 25 Sep 2026 12:00:58 -0400 X-MC-Unique: RVlHp2ShOqSZTElHSDHj-A-1 X-Mimecast-MFC-AGG-ID: RVlHp2ShOqSZTElHSDHj-A_1790352057 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 0297819774DB; Fri, 25 Sep 2026 16:00:57 +0000 (UTC) Received: from redhat.com (headnet05.pony-001.prod.iad2.dc.redhat.com [10.2.32.117]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 5AD811956053; Fri, 25 Sep 2026 16:00:55 +0000 (UTC) Date: Fri, 25 Sep 2026 17:00:52 +0100 From: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= To: Pierrick Bouvier Cc: qemu-devel@nongnu.org, Paolo Bonzini , Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= , Richard Henderson , Alex =?utf-8?Q?Benn=C3=A9e?= Subject: Re: [PATCH 3/4] tests/tcg: add alternative cross-compilers for fedora Message-ID: References: <20260924213942.26491-1-pierrick.bouvier@oss.qualcomm.com> <20260924213942.26491-4-pierrick.bouvier@oss.qualcomm.com> <3e61ce09-b929-4716-95ab-84bf01bef497@oss.qualcomm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <3e61ce09-b929-4716-95ab-84bf01bef497@oss.qualcomm.com> User-Agent: Mutt/2.4.0 (2026-06-19) X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Received-SPF: pass client-ip=170.10.133.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, 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_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_SBL_CSS=3.335, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Fri, Sep 25, 2026 at 08:57:08AM -0700, Pierrick Bouvier wrote: > On 9/25/2026 8:54 AM, Daniel P. Berrangé wrote: > > On Fri, Sep 25, 2026 at 08:20:44AM -0700, Pierrick Bouvier wrote: > >> On 9/25/2026 2:40 AM, Daniel P. Berrangé wrote: > >>> On Thu, Sep 24, 2026 at 09:39:41PM +0000, Pierrick Bouvier wrote: > >>>> This allows to pick host compiler automatically on fedora, as those > >>>> binaries are installed with 'gcc' package. > >>>> > >>>> This covers all host arch supported to this day: > >>>> https://fedoraproject.org/wiki/Architectures > >>>> - x86_64 > >>>> - aarch64 > >>>> - ppc64le > >>>> - riscv64 > >>>> - s390x > >>>> Note: QEMU and Fedora don't support 32-bit hosts anymore. > >>> > >>> Regardless of what installation arches Fedora targets, it > >>> ships cross compilers for pretty much everything. In F44 > >>> I see the following GCC available: > >>> > >>> gcc-aarch64-linux-gnu.x86_64 16.2.1-1.fc44 updates > >>> gcc-alpha-linux-gnu.x86_64 16.2.1-1.fc44 updates > >>> gcc-arc-linux-gnu.x86_64 16.2.1-1.fc44 updates > >>> gcc-arm-linux-gnu.x86_64 16.2.1-1.fc44 updates > >>> gcc-avr32-linux-gnu.x86_64 16.2.1-1.fc44 updates > >>> gcc-bfin-linux-gnu.x86_64 16.2.1-1.fc44 updates > >>> gcc-c6x-linux-gnu.x86_64 16.2.1-1.fc44 updates > >>> gcc-frv-linux-gnu.x86_64 16.2.1-1.fc44 updates > >>> gcc-h8300-linux-gnu.x86_64 16.2.1-1.fc44 updates > >>> gcc-hppa-linux-gnu.x86_64 16.2.1-1.fc44 updates > >>> gcc-hppa64-linux-gnu.x86_64 16.2.1-1.fc44 updates > >>> gcc-ia64-linux-gnu.x86_64 16.2.1-1.fc44 updates > >>> gcc-loongarch64-linux-gnu.x86_64 16.2.1-1.fc44 updates > >>> gcc-m68k-linux-gnu.x86_64 16.2.1-1.fc44 updates > >>> gcc-microblaze-linux-gnu.x86_64 16.2.1-1.fc44 updates > >>> gcc-mips64-linux-gnu.x86_64 16.2.1-1.fc44 updates > >>> gcc-mn10300-linux-gnu.x86_64 16.2.1-1.fc44 updates > >>> gcc-openrisc-linux-gnu.x86_64 16.2.1-1.fc44 updates > >>> gcc-powerpc64-linux-gnu.x86_64 16.2.1-1.fc44 updates > >>> gcc-powerpc64le-linux-gnu.x86_64 16.2.1-1.fc44 updates > >>> gcc-ppc64-linux-gnu.x86_64 16.2.1-1.fc44 updates > >>> gcc-ppc64le-linux-gnu.x86_64 16.2.1-1.fc44 updates > >>> gcc-riscv32-linux-gnu.x86_64 16.2.1-1.fc44 updates > >>> gcc-riscv64-linux-gnu.x86_64 16.2.1-1.fc44 updates > >>> gcc-s390x-linux-gnu.x86_64 16.2.1-1.fc44 updates > >>> gcc-sparc64-linux-gnu.x86_64 16.2.1-1.fc44 updates > >>> gcc-x86_64-linux-gnu.x86_64 16.2.1-1.fc44 updates > >>> gcc-xtensa-linux-gnu.x86_64 16.2.1-1.fc44 updates > >>> > >>> > >> > >> We want to detect host compiler here (redhat-* variants), as mentioned > >> in commit description. It addresses original request from Paolo. Cross > >> compilers above are already detected with current cc field. > > > > Oh, I see what you mean. Itis dealing with the naming difference > > between 'redhat-linux-gnu' and just 'linux-gnu' in the compilers > > for the native vs cross arch RPMs. > > > > Right. > I'm not super familiar with Fedora, is there any fundamental difference > between this toolchain and linux-gnu variant, in terms of ABI or > anything else? Or is it just a distinction for "Our toolchain with > additional patches" vs upstream one? Most of the downstream patches are common to both the native and cross GCC RPMs. I'm not aware of significant differences between the two that would matter for QEMU's needs. With regards, Daniel -- |: https://berrange.com ~~ https://hachyderm.io/@berrange :| |: https://libvirt.org ~~ https://entangle-photo.org :| |: https://pixelfed.art/berrange ~~ https://fstop138.berrange.com :|