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 E2FEBC2BD09 for ; Tue, 9 Jul 2024 13:53:50 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.756303.1164861 (Exim 4.92) (envelope-from ) id 1sRBHq-0006Zb-3q; Tue, 09 Jul 2024 13:53:42 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 756303.1164861; Tue, 09 Jul 2024 13:53:42 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sRBHq-0006ZU-1E; Tue, 09 Jul 2024 13:53:42 +0000 Received: by outflank-mailman (input) for mailman id 756303; Tue, 09 Jul 2024 13:53:41 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sRBHp-0006ZO-91 for xen-devel@lists.xenproject.org; Tue, 09 Jul 2024 13:53:41 +0000 Received: from mail-ej1-x62b.google.com (mail-ej1-x62b.google.com [2a00:1450:4864:20::62b]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id a5ba6548-3dfa-11ef-bbfb-fd08da9f4363; Tue, 09 Jul 2024 15:53:40 +0200 (CEST) Received: by mail-ej1-x62b.google.com with SMTP id a640c23a62f3a-a77d85f7fa3so593597666b.0 for ; Tue, 09 Jul 2024 06:53:40 -0700 (PDT) Received: from [10.125.226.166] ([185.25.67.249]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a780a871f2fsm78517966b.202.2024.07.09.06.53.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 09 Jul 2024 06:53:36 -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: a5ba6548-3dfa-11ef-bbfb-fd08da9f4363 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=citrix.com; s=google; t=1720533218; x=1721138018; darn=lists.xenproject.org; h=content-transfer-encoding:in-reply-to:autocrypt:content-language :references:cc:to:from:subject:user-agent:mime-version:date :message-id:from:to:cc:subject:date:message-id:reply-to; bh=7dwwlRXl0cvTZL1YuMHfrHnXplLvHYfBLjFy+BKMfGE=; b=vWGGzWvP94dRjGZdHzpWuboICPbsc+9jcf18ZiBZ6hSPEKX5Xrx1jSiob7eAgnto1+ veIwXZKfSuhdZvwdAO/HY5YrM2WAH4nl/otd8z+FmeXA5oDNxmeIrX6w0Xyr8Iy+whuV s6U3qeWh5tJaJx7n/hkSoZYdfbhr+Pl13+d44= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1720533218; x=1721138018; h=content-transfer-encoding:in-reply-to:autocrypt:content-language :references:cc:to:from:subject:user-agent:mime-version:date :message-id:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=7dwwlRXl0cvTZL1YuMHfrHnXplLvHYfBLjFy+BKMfGE=; b=ChD86NBlek0tzip4Fvsa5RNPBpAjXsEDDzsKBQ/w3z8c1XWMpvLskynPKei6c1qmRx g1EWx8ugxGFzXuj2CNxTL9arcsej3EyO4AyfxRjrnNsWPgFpF4rUC1M35+ZSa4VymNGT l6Tur1ZjrNeARNTX+8ArehO6g2JhinG4hgIhfq/Vsegub6msc2Ffb2Yequj+0OtRFp4+ Wn98tEkV+4/mv1Ih5A6FlTaM7bwlGoffZpVeO/Df+sE7C4W8KQnetZhSxyhl06xpGQYB eIL603QoHFSFHmtk4FbWvBybiXXzG4PmdrH/LIOL4R1bAwwk1KiiJGfkTHRD2DTD/e1c TEUg== X-Gm-Message-State: AOJu0Yx6CLUir4V3cdtgak0li1DONkp899QdMuEiaT6R9dAd605cEWF2 6m/yurXOs87wgPhyKINdobdrXxAABjChHtChbgAMrgWUkkrTvFioK3CZe4DIdyJA4P6luMDPlcs E X-Google-Smtp-Source: AGHT+IFHsVuIAjNQqVJGue3GE09l8z/EPmOE/RAy+8A1lBkRKR6UUVNs1gw1zDTm2s38a1AMteOboA== X-Received: by 2002:a17:907:d94:b0:a77:e6dd:7f35 with SMTP id a640c23a62f3a-a780d22e38bmr228179966b.13.1720533218114; Tue, 09 Jul 2024 06:53:38 -0700 (PDT) Message-ID: <594eaeab-20d4-4531-a0e2-3e5b317dc21d@citrix.com> Date: Tue, 9 Jul 2024 14:53:34 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Build system mess in stubdom From: Andrew Cooper To: xen-devel Cc: Jan Beulich , Stefano Stabellini , Julien Grall , Juergen Gross , Anthony PERARD References: <44679adf-e657-4d38-b1e3-2bebb34f57a0@citrix.com> Content-Language: en-GB 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: <44679adf-e657-4d38-b1e3-2bebb34f57a0@citrix.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [Correct Anthony's email] ~Andrew On 09/07/2024 2:49 pm, Andrew Cooper wrote: > Hello, > > 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 > > However, we've got problems ahead of that. > > First of all, with: > > [user@89aef714763e build]$ ./configure --disable-xen --disable-tools > --disable-docs > > Will build the following stub domains: >   xenstore-stubdom >   xenstorepvh-stubdom > configure: creating ./config.status > config.status: creating ../config/Stubdom.mk > > both a top level `make` and `make stubdom` end up building all of tools, > contrary to comments in the makefile. > > `make build-stubdom` does (AFAICT) only build stubdom. > > However, building just the xenstore stubdoms recursively builds all of > tools/libs/ even though only some are needed.  This includes libxl which > then recurses further to get tools/libacpi, and libxenguest which > recurses further to get libelf from Xen. > > What I can't figure out is why xenstore ends up pulling in all of newlib. > > Semi-irrespective, there's no way we can keep on bodging newlib to > compile with newer compilers.  There's a whole bunch of other warnings > (strict-prototypes, dangling-else, maybe-uninitialized, unused-function, > pointer-sign, unused-variable) primed ready to cause breakage in any > environment which makes these error by default. > > I'm going to be making ArchLinux non-blocking because it is a rolling > distro, but we also can't do nothing here. > > ~Andrew