From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 33689 invoked by alias); 30 Jan 2020 21:34:26 -0000 Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Received: (qmail 33681 invoked by uid 89); 30 Jan 2020 21:34:26 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=BAYES_00,FREEMAIL_FROM,KAM_SHORT,RCVD_IN_DNSWL_NONE,SPF_PASS autolearn=ham version=3.3.1 spammy=H*i:sk:3ec4538, H*MI:sk:3ec4538, H*f:sk:3ec4538 X-HELO: mail-wr1-f53.google.com Received: from mail-wr1-f53.google.com (HELO mail-wr1-f53.google.com) (209.85.221.53) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Thu, 30 Jan 2020 21:34:24 +0000 Received: by mail-wr1-f53.google.com with SMTP id z7so5924174wrl.13 for ; Thu, 30 Jan 2020 13:34:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-transfer-encoding; bh=kHoEyvDsBaB4cO7DbISeQMLywSu6HYCIg2c8LcN4kpQ=; b=uyFD7nlzhscl9hYtKy4dQT23qN81BMdDEmw5Z1JAMVQn8xkiORv1ucrs+mkK59cRcc s2si6EhW4NOayQoc0Ow1Q3cHg8DPLAvmXimlymxxBR6yoH2LRIRYyfhXT2y05HRDtDlr tK/KlLw33pHWan+2Vt55n73d9xqk9dGNOrhDbDbZR0cnfGlCBxTObxm8pBYqJ/gYevi8 1G3P9OAF4EGUOSfmE0i/TM7118CoKc9Xgom374SsfzIbpQAZJVqXPRrrWJp+PHMgMHX4 8kRn8HoceTBtlaL86O4yK32RyD5QP1PyghL7NRpUWuC/RzxhKxh/EA2BGCXGw29YrYRW ng4Q== Return-Path: Received: from ?IPv6:2003:ee:6727:2e01:215c:ea50:c04c:aafe? (p200300EE67272E01215CEA50C04CAAFE.dip0.t-ipconnect.de. [2003:ee:6727:2e01:215c:ea50:c04c:aafe]) by smtp.gmail.com with ESMTPSA id b10sm8981310wrt.90.2020.01.30.13.34.21 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 30 Jan 2020 13:34:21 -0800 (PST) Subject: Re: headache on build repeatibility: octave vs BLODA ? To: cygwin@cygwin.com References: <2904b4fa-6349-bd3e-c4ff-4b32a0bb3838@gmail.com> <87y2tvs278.fsf@Rainer.invalid> <9b370970-fcfe-cca9-321f-973de777642a@gmail.com> <878sluhcc1.fsf@Otto.invalid> <08ac898e-e7f9-c8e9-91ba-d4ee33f2e27c@gmail.com> <0fb5712c-7d57-d5cb-56b7-3a0d2f44d8a2@gmail.com> <20200127203346.1c8e3657d7283e3aa2c617d8@nifty.ne.jp> <85ddac25-0b4a-5e01-7885-0d2855c37a45@gmail.com> <20200129094427.GI3549@calimero.vinschen.de> <9e66f9f1-109f-7a3c-2c86-abd3ef7fc628@gmail.com> <20200129224653.b3238736661d3c95fc30ee5f@nifty.ne.jp> <3ec4538b-3e45-43cc-b96e-a3b8be17bdb9@SystematicSw.ab.ca> From: Marco Atzeri Message-ID: <3de58ab5-6779-9f59-6ee9-2fa4f4d0e36a@gmail.com> Date: Thu, 30 Jan 2020 21:34:00 -0000 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.4.2 MIME-Version: 1.0 In-Reply-To: <3ec4538b-3e45-43cc-b96e-a3b8be17bdb9@SystematicSw.ab.ca> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-IsSubscribed: yes X-SW-Source: 2020-01/txt/msg00319.txt.bz2 Am 30.01.2020 um 22:05 schrieb Brian Inglis: > On 2020-01-29 06:46, Takashi Yano wrote: >> Hi Marco, >> >> On Wed, 29 Jan 2020 13:19:11 +0100 >> Marco Atzeri wrote: >>> As Octave uses gnulib, it is possible that the changes in MS are causing >>> a different subset of gnulib to be used than before, may be exposing >>> a latent bug or race. >>> >>> Unfortunately my old build tree was polluted by mistake, so I can >>> not directly compare a good build tree versus a failing one. >> >> I found suspicious difference between the working build and the >> not-working build. >> >> The not-working build has fflush.o, fseek.o and fseeko.o in >> build/libgnu/.libs >> directory, while the working build does not. >> >> Also, cygoctave-7.dll of not-working build exports rpl_fflush, >> rpl_fseek and rpl_fseeko, while that of the working build does >> not. >> >> As a test, I used following patch to forcibly remove the code >> setting REPLACE_FSEEKO to 1 in configure script, and rebuilt >> octave. This works without segmentation fault. > > For these to be considered missing or deficient such that they should be > provided or replaced gnulib must consider Cygwin lacking support for ANSI C > fflush https://www.gnu.org/software/gnulib/MODULES.html#ansic_enh_stdio > and POSIX 2008 fseek and fseeko supporting pipes and 4GB in 32 bit mode > https://www.gnu.org/software/gnulib/MODULES.html#posix_sup > perhaps as a result of incorrect conclusions about Cygwin in autoreconf? > I was able to rebuild 5.1.0 successfully on a x86_64 cygwin1.dll built from git source. Nor flush or fseek gnulib modules were built. During weekend I will replicate with i686. Regards Marco -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple