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 lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 B0215C3DA41 for ; Tue, 9 Jul 2024 15:19:31 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.756342.1164919 (Exim 4.92) (envelope-from ) id 1sRCcR-0003sO-Sb; Tue, 09 Jul 2024 15:19:03 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 756342.1164919; Tue, 09 Jul 2024 15:19:03 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sRCcR-0003sH-Pm; Tue, 09 Jul 2024 15:19:03 +0000 Received: by outflank-mailman (input) for mailman id 756342; Tue, 09 Jul 2024 15:19:02 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sRCcQ-0003sB-MV for xen-devel@lists.xenproject.org; Tue, 09 Jul 2024 15:19:02 +0000 Received: from mail-ej1-x62a.google.com (mail-ej1-x62a.google.com [2a00:1450:4864:20::62a]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id 917e22b0-3e06-11ef-8776-851b0ebba9a2; Tue, 09 Jul 2024 17:19:00 +0200 (CEST) Received: by mail-ej1-x62a.google.com with SMTP id a640c23a62f3a-a77abe5c709so650273266b.2 for ; Tue, 09 Jul 2024 08:19:00 -0700 (PDT) Received: from [10.125.226.166] ([185.25.67.249]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a780a86f62bsm85205566b.199.2024.07.09.08.18.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 09 Jul 2024 08:18:57 -0700 (PDT) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 917e22b0-3e06-11ef-8776-851b0ebba9a2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=citrix.com; s=google; t=1720538340; x=1721143140; darn=lists.xenproject.org; h=content-transfer-encoding:in-reply-to:autocrypt:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:from:to:cc:subject:date:message-id:reply-to; bh=s5Mk7IGcFNKWg7WV1x2+iacTKlJrxVFxONSphyOKE14=; b=bVO2aNbw0yKd62OrDctbum7GQz/PU/14SuW+pWZHbWYnrXStuljAvWok0+85exSPwL Zq06dWwFhStmXBzLjMwwgkCxH41G2zr04Esj8RtFFIVxhW2MU3ZBMZmQkCYANvmTGEfL 75oytpUJXpfRFpMKYzKUWEloYud3yH+cMdTQc= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1720538340; x=1721143140; h=content-transfer-encoding:in-reply-to:autocrypt:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=s5Mk7IGcFNKWg7WV1x2+iacTKlJrxVFxONSphyOKE14=; b=WwLu5h6rKUh6HuF+D4DpOB7PEKbHRXuL7lJ53Nbp4li0JeMqN0nJia5Rc1Lb7PjgV3 0p/ULQ96Q0FDA5kzmt/1/WMO6qzT31jXxdXzkrjU0I0VAXggCCOtq4B1Iybhm21LsImf Qc64OjKZCbI4YUhq51Y/QRDNMHq9aUuDWxMURtvyEzHvBgY58fzo1pMqGCSan4+VF27N CZJMziAZ8eVPKxu8i28OCBUBavGXRx+hEffK3FmPvoGUf37mmR6C18tB8nOOfWo4IStG /W5py4KeJ4yXVcN0bn4tXP6jyClOUphF4klCASrYxyeJOndMVFAS/pgOVODIHgBIgSko qUCg== X-Forwarded-Encrypted: i=1; AJvYcCXsP6vpttldOVYS7MccRet3rq3HE9gTg6kyRLDXpWU0cFPVZV8K2lVsr02B5gsASpl65zkCXwPsX+eT3Tp9A2Ji2Aa3l9g1YxKeNnfQLok= X-Gm-Message-State: AOJu0YxH4jPK5jrlX3Lxb2uJ8r1RliKXMXJto5rjbqgQiLg6q3152UAU 1LAe4ZXJq6c3pvWYX19J2Go3hWJZiDyxw72q8+zcmWNlFrjtwsOHGWqyPFMn3gU= X-Google-Smtp-Source: AGHT+IE4lE8WdhnPQwHXfTKCn1P/gp09PrNcjf0NNTbq+7mcLZEJgijQFMlR2I9wSDFRbXCGbVZDyA== X-Received: by 2002:a17:907:774d:b0:a6f:af58:efac with SMTP id a640c23a62f3a-a780b6b1aeamr162575266b.25.1720538339840; Tue, 09 Jul 2024 08:18:59 -0700 (PDT) Message-ID: <627b5c3f-be81-42c5-aa99-fa9ff463f072@citrix.com> Date: Tue, 9 Jul 2024 16:18:55 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Build system mess in stubdom To: Jan Beulich Cc: Stefano Stabellini , Julien Grall , Juergen Gross , xen-devel , Anthony Perard , Charles Arnold References: <44679adf-e657-4d38-b1e3-2bebb34f57a0@citrix.com> Content-Language: en-GB From: Andrew Cooper Autocrypt: addr=andrew.cooper3@citrix.com; keydata= xsFNBFLhNn8BEADVhE+Hb8i0GV6mihnnr/uiQQdPF8kUoFzCOPXkf7jQ5sLYeJa0cQi6Penp VtiFYznTairnVsN5J+ujSTIb+OlMSJUWV4opS7WVNnxHbFTPYZVQ3erv7NKc2iVizCRZ2Kxn srM1oPXWRic8BIAdYOKOloF2300SL/bIpeD+x7h3w9B/qez7nOin5NzkxgFoaUeIal12pXSR Q354FKFoy6Vh96gc4VRqte3jw8mPuJQpfws+Pb+swvSf/i1q1+1I4jsRQQh2m6OTADHIqg2E ofTYAEh7R5HfPx0EXoEDMdRjOeKn8+vvkAwhviWXTHlG3R1QkbE5M/oywnZ83udJmi+lxjJ5 YhQ5IzomvJ16H0Bq+TLyVLO/VRksp1VR9HxCzItLNCS8PdpYYz5TC204ViycobYU65WMpzWe LFAGn8jSS25XIpqv0Y9k87dLbctKKA14Ifw2kq5OIVu2FuX+3i446JOa2vpCI9GcjCzi3oHV e00bzYiHMIl0FICrNJU0Kjho8pdo0m2uxkn6SYEpogAy9pnatUlO+erL4LqFUO7GXSdBRbw5 gNt25XTLdSFuZtMxkY3tq8MFss5QnjhehCVPEpE6y9ZjI4XB8ad1G4oBHVGK5LMsvg22PfMJ ISWFSHoF/B5+lHkCKWkFxZ0gZn33ju5n6/FOdEx4B8cMJt+cWwARAQABzSlBbmRyZXcgQ29v cGVyIDxhbmRyZXcuY29vcGVyM0BjaXRyaXguY29tPsLBegQTAQgAJAIbAwULCQgHAwUVCgkI CwUWAgMBAAIeAQIXgAUCWKD95wIZAQAKCRBlw/kGpdefoHbdD/9AIoR3k6fKl+RFiFpyAhvO 59ttDFI7nIAnlYngev2XUR3acFElJATHSDO0ju+hqWqAb8kVijXLops0gOfqt3VPZq9cuHlh IMDquatGLzAadfFx2eQYIYT+FYuMoPZy/aTUazmJIDVxP7L383grjIkn+7tAv+qeDfE+txL4 SAm1UHNvmdfgL2/lcmL3xRh7sub3nJilM93RWX1Pe5LBSDXO45uzCGEdst6uSlzYR/MEr+5Z JQQ32JV64zwvf/aKaagSQSQMYNX9JFgfZ3TKWC1KJQbX5ssoX/5hNLqxMcZV3TN7kU8I3kjK mPec9+1nECOjjJSO/h4P0sBZyIUGfguwzhEeGf4sMCuSEM4xjCnwiBwftR17sr0spYcOpqET ZGcAmyYcNjy6CYadNCnfR40vhhWuCfNCBzWnUW0lFoo12wb0YnzoOLjvfD6OL3JjIUJNOmJy RCsJ5IA/Iz33RhSVRmROu+TztwuThClw63g7+hoyewv7BemKyuU6FTVhjjW+XUWmS/FzknSi dAG+insr0746cTPpSkGl3KAXeWDGJzve7/SBBfyznWCMGaf8E2P1oOdIZRxHgWj0zNr1+ooF /PzgLPiCI4OMUttTlEKChgbUTQ+5o0P080JojqfXwbPAyumbaYcQNiH1/xYbJdOFSiBv9rpt TQTBLzDKXok86M7BTQRS4TZ/ARAAkgqudHsp+hd82UVkvgnlqZjzz2vyrYfz7bkPtXaGb9H4 Rfo7mQsEQavEBdWWjbga6eMnDqtu+FC+qeTGYebToxEyp2lKDSoAsvt8w82tIlP/EbmRbDVn 7bhjBlfRcFjVYw8uVDPptT0TV47vpoCVkTwcyb6OltJrvg/QzV9f07DJswuda1JH3/qvYu0p vjPnYvCq4NsqY2XSdAJ02HrdYPFtNyPEntu1n1KK+gJrstjtw7KsZ4ygXYrsm/oCBiVW/OgU g/XIlGErkrxe4vQvJyVwg6YH653YTX5hLLUEL1NS4TCo47RP+wi6y+TnuAL36UtK/uFyEuPy wwrDVcC4cIFhYSfsO0BumEI65yu7a8aHbGfq2lW251UcoU48Z27ZUUZd2Dr6O/n8poQHbaTd 6bJJSjzGGHZVbRP9UQ3lkmkmc0+XCHmj5WhwNNYjgbbmML7y0fsJT5RgvefAIFfHBg7fTY/i kBEimoUsTEQz+N4hbKwo1hULfVxDJStE4sbPhjbsPCrlXf6W9CxSyQ0qmZ2bXsLQYRj2xqd1 bpA+1o1j2N4/au1R/uSiUFjewJdT/LX1EklKDcQwpk06Af/N7VZtSfEJeRV04unbsKVXWZAk uAJyDDKN99ziC0Wz5kcPyVD1HNf8bgaqGDzrv3TfYjwqayRFcMf7xJaL9xXedMcAEQEAAcLB XwQYAQgACQUCUuE2fwIbDAAKCRBlw/kGpdefoG4XEACD1Qf/er8EA7g23HMxYWd3FXHThrVQ HgiGdk5Yh632vjOm9L4sd/GCEACVQKjsu98e8o3ysitFlznEns5EAAXEbITrgKWXDDUWGYxd pnjj2u+GkVdsOAGk0kxczX6s+VRBhpbBI2PWnOsRJgU2n10PZ3mZD4Xu9kU2IXYmuW+e5KCA vTArRUdCrAtIa1k01sPipPPw6dfxx2e5asy21YOytzxuWFfJTGnVxZZSCyLUO83sh6OZhJkk b9rxL9wPmpN/t2IPaEKoAc0FTQZS36wAMOXkBh24PQ9gaLJvfPKpNzGD8XWR5HHF0NLIJhgg 4ZlEXQ2fVp3XrtocHqhu4UZR4koCijgB8sB7Tb0GCpwK+C4UePdFLfhKyRdSXuvY3AHJd4CP 4JzW0Bzq/WXY3XMOzUTYApGQpnUpdOmuQSfpV9MQO+/jo7r6yPbxT7CwRS5dcQPzUiuHLK9i nvjREdh84qycnx0/6dDroYhp0DFv4udxuAvt1h4wGwTPRQZerSm4xaYegEFusyhbZrI0U9tJ B8WrhBLXDiYlyJT6zOV2yZFuW47VrLsjYnHwn27hmxTC/7tvG3euCklmkn9Sl9IAKFu29RSo d5bD8kMSCYsTqtTfT6W4A3qHGvIDta3ptLYpIAOD2sY3GYq2nf3Bbzx81wZK14JdDDHUX2Rs 6+ahAA== In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 09/07/2024 3:55 pm, Jan Beulich wrote: > On 09.07.2024 15:49, Andrew Cooper wrote: >> I'm trying to investigate why stubdom/ is fatally failing now with a >> rebuilt ArchLinux container (GCC 14). >> >> It is ultimately: >> >>> ../../../../../newlib-1.16.0/newlib/libc/reent/signalr.c:61:14: error: >>> implicit declaration of function ‘kill’; did you mean ‘_kill’? >>> [-Wimplicit-function-declaration] >>>    61 |   if ((ret = _kill (pid, sig)) == -1 && errno != 0) >>>       |              ^~~~~ >>> make[7]: *** [Makefile:483: lib_a-signalr.o] Error 1 >> which doesn't make sense, but is a consequence of the ifdefary in >> newlib/libc/include/_syslist.h > Charles, who is looking after our Xen packages, had run into exactly this. > His workaround patch (added to the list of patches applied on top of > newlib by stubdom/Makefile) is below, but in the given form I didn't expect > it would be upstreamable. The diagnostics by the compiler may be a little > misleading ... > > Jan Looking through newlib's upstream, I'm going to experiment with updating to 4.4.0 (Dec 2023). It's the most recent version, and it's marginally ahead of a very large number of "make build work with GCC 14" commits. I feel this is going to be less effort than continuing to duct tape an obsolete version for newer compilers. ~Andrew