From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from endymion.arp.harvard.edu (endymion.arp.harvard.edu [140.247.179.94]) by sourceware.org (Postfix) with ESMTPS id 23FA63987C13 for ; Wed, 18 Nov 2020 16:09:22 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 23FA63987C13 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=huarp.harvard.edu Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=allen@huarp.harvard.edu Received: from [192.168.7.24] (pool-74-104-152-231.bstnma.fios.verizon.net [74.104.152.231]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by endymion.arp.harvard.edu (Postfix) with ESMTPSA id B8B8D6C094B for ; Wed, 18 Nov 2020 11:09:21 -0500 (EST) Subject: Re: cmake suddenly stopped working To: cygwin@cygwin.com References: <2f4aa73e-781e-ba06-f230-4fa884715988@maxrnd.com> <3ccdc37d-953f-f6a5-76af-56e201ee864a@huarp.harvard.edu> <0c91c91e-70e5-093a-0b61-07b76a52fc4a@huarp.harvard.edu> <8b5c7352-0a0e-1931-fe8b-741acce9d576@huarp.harvard.edu> From: Norton Allen Message-ID: Date: Wed, 18 Nov 2020 11:09:22 -0500 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.4.3 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-Spam-Status: No, score=-2.2 required=5.0 tests=BAYES_00, BODY_8BITS, KAM_DMARC_STATUS, NICE_REPLY_A, RCVD_IN_DNSWL_LOW, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: cygwin@cygwin.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: General Cygwin discussions and problem reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 18 Nov 2020 16:09:25 -0000 On 11/18/2020 10:33 AM, Marco Atzeri via Cygwin wrote: > On 18.11.2020 14:54, Norton Allen wrote: >> On 11/18/2020 6:31 AM, Marco Atzeri via Cygwin wrote: >>> On 18.11.2020 01:24, Norton Allen wrote: >>>> Rolling back cmake from 3.17.3-2 to 3.14.5-1 seems to have resolved >>>> the problem. >>>> >>>> Any idea why no one else seems to be seeing this problem with >>>> 3.17.3-2? >>>> >>> >>> I assume you had an incomplete upgrade. >>> >>> what is the output of "cygcheck cmake" ? >> >> I rolled back forward to 3.17.3-2 and verified that 3.17.3-2 still >> shows the problem: >> >> $ cygcheck cmake >> Found: C:\cygwin64\bin\cmake.exe > >>        C:\Program >> Files\OpenJDK\jdk-13\bin\api-ms-win-core-rtlsupport-l1-1-0.dll > > this is strange > > Can you try also >    strace -o cmake.out /usr/bin/cmake --version > > I expect an error with a specific shared library Yes, earlier in the thread I reported running with strace and identifying a specific symbol that was missing, apparently from the stdc++ library: > This seems to be the crux of it. That entry point is simply not in the > g++ shared library. I have not figured out why this cropped up today, > since it is not present in the current (10.2.0-1) or previous > (9.3.0-2) versions. I will trying going back to 7.4.0.1, but it's hard > to imagine it's been gone so long and I haven't seen the problem > before today. > >     nort@easwhlpt3425080 /usr/bin >     $ strings cygstdc++-6.dll | grep > _ZNSt19basic_ostringstreamIcSt11char_traits > _ZNSt19basic_ostringstreamIcSt11char_traitsIcESaIcEE3strERKSs > _ZNSt19basic_ostringstreamIcSt11char_traitsIcESaIcEE4swapERS3_ >     _ZNSt19basic_ostringstreamIcSt11char_traitsIcESaIcEEC1EOS3_ > _ZNSt19basic_ostringstreamIcSt11char_traitsIcESaIcEEC1ERKSsSt13_Ios_Openmode > > _ZNSt19basic_ostringstreamIcSt11char_traitsIcESaIcEEC1ESt13_Ios_Openmode >     _ZNSt19basic_ostringstreamIcSt11char_traitsIcESaIcEEC2EOS3_ > _ZNSt19basic_ostringstreamIcSt11char_traitsIcESaIcEEC2ERKSsSt13_Ios_Openmode > > _ZNSt19basic_ostringstreamIcSt11char_traitsIcESaIcEEC2ESt13_Ios_Openmode >     _ZNSt19basic_ostringstreamIcSt11char_traitsIcESaIcEED0Ev >     _ZNSt19basic_ostringstreamIcSt11char_traitsIcESaIcEED1Ev >     _ZNSt19basic_ostringstreamIcSt11char_traitsIcESaIcEED2Ev >     _ZNSt19basic_ostringstreamIcSt11char_traitsIcESaIcEEaSEOS3_ > >     nort@easwhlpt3425080 /usr/bin >     $ strings cmake.exe | grep > _ZNSt19basic_ostringstreamIcSt11char_traits >     _ZNSt19basic_ostringstreamIcSt11char_traitsIcESaIcEEC1Ev >     _ZNSt19basic_ostringstreamIcSt11char_traitsIcESaIcEED1Ev _ZNSt19basic_ostringstreamIcSt11char_traitsIcESaIcEEC1Ev is the symbol that popped up in the strace error dialog.