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([2605:ef80:80e8:1685:38ec:3484:7cff:725b]) by smtp.gmail.com with ESMTPSA id o31-20020a056870911f00b000f5e33aaa66sm13771498oae.0.2022.06.30.17.26.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 30 Jun 2022 17:26:48 -0700 (PDT) Message-ID: Date: Fri, 1 Jul 2022 05:56:38 +0530 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.1 Subject: Re: [PULL 00/14] (Mostly) build system changes for 2022-06-24 Content-Language: en-US To: Peter Maydell , Paolo Bonzini Cc: qemu-devel References: <20220624082730.246924-1-pbonzini@redhat.com> <9d4d83cc-d4e5-6b8e-2ed9-00cefb534082@linaro.org> From: Richard Henderson In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::236; envelope-from=richard.henderson@linaro.org; helo=mail-oi1-x236.google.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, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 6/30/22 23:02, Peter Maydell wrote: > On Thu, 30 Jun 2022 at 18:14, Paolo Bonzini wrote: >> >> >> >> Il ven 24 giu 2022, 17:57 Richard Henderson ha scritto: >>> >>> But then the i386 cross-compiler isn't used: >> >> >> Yeah, that was intentional. In theory a softmmu target is freestanding and does not need anything beyond the compiler install, so configure defaults to the native compiler, which is biarch. That however assumes that the compiler install includes the libgcc for both architectures. >> >> Does that mean that Ubuntu installs GCC without a 32-bit libgcc.a? > > I think they package it in a separate package, eg lib32gcc-9-dev > (adjust package name to suit gcc version). It's there, as Peter says, but it's not installed with the build-essential meta-package, and the crossbuild-essential-i386 package installs a different libgcc. r~