From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtpout2.vodafonemail.de (smtpout2.vodafonemail.de [145.253.239.133]) by sourceware.org (Postfix) with ESMTPS id 1B597385840B for ; Mon, 29 Nov 2021 17:38:23 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 1B597385840B Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=nexgo.de Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=nexgo.de Received: from smtp.vodafone.de (unknown [10.2.0.37]) by smtpout2.vodafonemail.de (Postfix) with ESMTP id F2A016130A for ; Mon, 29 Nov 2021 18:38:21 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nexgo.de; s=vfde-smtpout-mb-15sep; t=1638207501; bh=WgYnMCKU1mlX539AlpPg6phi9xHJ0pCtxI9O7pWarKg=; h=From:To:Subject:References:Date:In-Reply-To; b=bzlVGy9+x9iYYxmv2NMZuLK1+ANvIv4Td4JlYxbH61VoOXxH3od45sM4KSI3wcVWa wpLRju/EQtawInRA5AmbQLYz809vDf0ucMsK73qFM9ZqZy0WXjGlJF6ykR58mWASuC 9w0ki2+udnSJ282qqRX6T+Hf2YKEmVYDnK/2H2IU= Received: from Gertrud (p5b2f3fbc.dip0.t-ipconnect.de [91.47.63.188]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp.vodafone.de (Postfix) with ESMTPSA id 4J2syP0r66zMmcL for ; Mon, 29 Nov 2021 17:38:17 +0000 (UTC) From: Achim Gratz To: cygwin-apps@cygwin.com Subject: Re: gnulib m4/threadlib.m4 bug crashing package tests References: <04185622-bfb1-9828-a720-716fbdd2e0ab@cornell.edu> <87r1b0477l.fsf@Rainer.invalid> <87mtlo45bu.fsf@Rainer.invalid> <2ecfa9cc-046c-6113-28f0-62411778e0b7@SystematicSw.ab.ca> Date: Mon, 29 Nov 2021 18:38:14 +0100 In-Reply-To: <2ecfa9cc-046c-6113-28f0-62411778e0b7@SystematicSw.ab.ca> (Brian Inglis's message of "Sun, 28 Nov 2021 11:34:40 -0700") Message-ID: <87zgpmuak9.fsf@Rainer.invalid> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-purgate-type: clean X-purgate-Ad: Categorized by eleven eXpurgate (R) http://www.eleven.de X-purgate: This mail is considered clean (visit http://www.eleven.de for further information) X-purgate: clean X-purgate-size: 707 X-purgate-ID: 149169::1638207501-0000047A-E805AF96/0/0 X-Spam-Status: No, score=-3030.2 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_BARRACUDACENTRAL, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=no autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: cygwin-apps@cygwin.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Cygwin package maintainer discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 29 Nov 2021 17:38:24 -0000 Brian Inglis writes: > The problem with Cygwin weak symbols is apparently that ld expects > there to be a runtime dynamic loader to resolve NULL weak dynamic > library references, but unlike ELF neither Cygwin nor Windows does so, > and PE may not retain the information to do so, or this project would > likely have done so. No, that part is well understood since more than a decade when that problem first hit, the actual problem is that such symbols no longer resolve to 0x0 on 64bit. Regards, Achim. -- +<[Q+ Matrix-12 WAVE#46+305 Neuron microQkb Andromeda XTk Blofeld]>+ SD adaptations for Waldorf Q V3.00R3 and Q+ V3.54R2: http://Synth.Stromeko.net/Downloads.html#WaldorfSDada