From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from omta001.cacentral1.a.cloudfilter.net (omta001.cacentral1.a.cloudfilter.net [3.97.99.32]) by sourceware.org (Postfix) with ESMTPS id 3C1E03858D39 for ; Mon, 27 Feb 2023 21:41:19 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 3C1E03858D39 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=Shaw.ca Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=shaw.ca Received: from shw-obgw-4002a.ext.cloudfilter.net ([10.228.9.250]) by cmsmtp with ESMTP id Wg3epiJ7duZMSWlFGp7o3p; Mon, 27 Feb 2023 21:41:18 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=shaw.ca; s=s20180605; t=1677534078; bh=vi8ewiXtM5zO0bn9z0SrKV2ke7yTB2NG07v5wAlW65Q=; h=Date:Reply-To:Subject:To:References:From:In-Reply-To; b=Nkdc+uULypp5WaLur2JBdZy9buzfhcyf6y66BfPAhokKoqCQbrJQKpM4T3gIS9j4v TLf6RA6xwS3RkJom8cn7TiDTIGP8o+0lER7zNLqHxQ5Cg7Y1bRO6MivMj2MULfgLcn 4RxmkKscJBE2WnxCqLPp+AkpaWbxF/Rp4r/z0f/vquFo025WVdr6tCmUIiL9kLVmem dFF304rwAFp4+ATVvjyQKipAFxwMaz4170odyDCZIqSbr7bW9uzclNQ1Ts6O3QdGDB vOarviWlY0wnUiEs2wPIPiD18E5vvKahuA3qXxPfLGSA5tdH+nhwsxzEu7kUTJuiCT yPyYuQ815WLiA== Received: from [10.0.0.5] ([184.64.102.149]) by cmsmtp with ESMTP id WlFFpBuNTyAOeWlFGp2Ugn; Mon, 27 Feb 2023 21:41:18 +0000 X-Authority-Analysis: v=2.4 cv=e5oV9Il/ c=1 sm=1 tr=0 ts=63fd237e a=DxHlV3/gbUaP7LOF0QAmaA==:117 a=DxHlV3/gbUaP7LOF0QAmaA==:17 a=IkcTkHD0fZMA:10 a=ewTdgvm-dvRl4i4A7OoA:9 a=QEXdDO2ut3YA:10 Message-ID: <018c363b-ec06-37a6-ec52-09923381643e@Shaw.ca> Date: Mon, 27 Feb 2023 14:41:17 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 Reply-To: cygwin-apps@cygwin.com Subject: Re: Heads up: Problems with parallel make Content-Language: en-CA To: cygwin-apps@cygwin.com References: <9c9fb865-5f11-67ec-81a5-9c1ee37b5ee1@cornell.edu> <871214fe-aa00-5c51-7145-82737e830fcc@Shaw.ca> <6c9c801e-7ec6-5093-afd7-8111fc4692a3@Shaw.ca> <6876bcc9-3747-1a7e-bab8-c89ba7a39cc8@cornell.edu> <4891b215-8bbc-431a-db83-f2c980538ffd@gmail.com> <87o7poxof0.fsf@Rainer.invalid> <39257fa6-df12-41d0-57fa-e26113a8efc6@cornell.edu> <02cfd113-9e50-7ac9-29f2-0e09eba50f84@gmail.com> <6558e650-14af-0590-f941-abe1ae22b8aa@gmail.com> <8091faf0-36f7-7432-5eb8-020c31d347bb@cornell.edu> From: Brian Inglis Organization: Inglis In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-CMAE-Envelope: MS4xfInbw/TpTK7kJulJCUQgFez4Qt9IaHRp9Xe5P6VeCG2WJDj6zf+GUovINHJT/S3XPw+ssFPaJ4K6ycypXz37QY0ZmqAoIWsu6mU8LdZrHGyeqCQGDR2/ S9DTgPfiC3mVA35zQDV/gYC+hZogV7W0O7Ie/yfSg0+dF7gugId2n6534IjEOZp4x8/h03skjK8ySg== X-Spam-Status: No, score=-3.1 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_DNSWL_LOW,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On 2023-02-20 17:48, Ken Brown via Cygwin-apps wrote: > On 2/20/2023 6:29 PM, Ken Brown via Cygwin-apps wrote: >> On 2/20/2023 5:00 PM, Ken Brown via Cygwin-apps wrote: >>> On 2/20/2023 2:12 PM, Marco Atzeri via Cygwin-apps wrote: >>>> uploaded as test 4.4.0.91-1 >>>> following message is still present while missing in 4.4-1 >>>>> make[1]: warning: jobserver unavailable: using -j1.  Add '+' to parent make >>>>> rule. >>>> and I do not see clear evidence of parallelism like in 4.4-1 >>> I doubt if this is related to the pipe vs. fifo issue, but maybe you should >>> test 4.4.0.90-1 to be sure. >>> Do you have a simple way to reproduce the problem?  For example, does it >>> happen if you just make a toy cmake project? >> Ignore what I said about 'make -j13 check' working right in the TeX Live >> build.  I just retried it and saw the "jobserver unavailable" message. When I >> saw several makes running at once, I think it was because of recursion, not >> parallelism.  So there's a real problem that can be reproduced without cmake. > I'm going to report this upstream, as a continuation of the upstream bug report > that I filed earlier. Looks like the 4.4.1 release disables FIFO on Hurd and Cygwin. Will be interesting to see if it is based on config test, for clues to what it does not like, or just system? -- Take care. Thanks, Brian Inglis Calgary, Alberta, Canada La perfection est atteinte Perfection is achieved non pas lorsqu'il n'y a plus rien à ajouter not when there is no more to add mais lorsqu'il n'y a plus rien à retirer but when there is no more to cut -- Antoine de Saint-Exupéry