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 615503858D33 for ; Thu, 16 Feb 2023 22:48:10 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 615503858D33 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 ShMPp6Xnzc9C4Sn2vp5Oxv; Thu, 16 Feb 2023 22:48:09 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=shaw.ca; s=s20180605; t=1676587689; bh=qMua7D643nnJBLz9ZDVYS28IdomLa93UEcXl0X1vLu8=; h=Date:Reply-To:Subject:To:References:From:In-Reply-To; b=RINrCNKb2iMfR5+TfsCrg/5lKO+TKXRaGYo9eWJ02opATgEG5lJBEsZ1RPSjbLT8g drIzYL5uXJjwSUeaTu4y2xpOZWgKGapuZRdwZ1HC8rMafJH5mJ4AJZwfshwhVOoibx kbVO3L6g498AiMDZKYOOhxzQ3Vq9o/ebQKBh+KvmhNonfS0nTGBrm/h0COwGNUcN7L 9SmhLGGRNKVQoh2Ay9GPaz/hMLsxnVzz8bcQj5kH6TSBSSF1NWbLEWhcwGX6xvuBGv 8NlFKV1ak5FIsRWaM06gtcMgi6jmlpRV3gYlvA5HwKGR0BNViMlasaCEmUtk9NwGRF J9nCNgDIlk/dA== Received: from [10.0.0.5] ([184.64.102.149]) by cmsmtp with ESMTP id Sn2vp7jlCyAOeSn2vpfAvz; Thu, 16 Feb 2023 22:48:09 +0000 X-Authority-Analysis: v=2.4 cv=e5oV9Il/ c=1 sm=1 tr=0 ts=63eeb2a9 a=DxHlV3/gbUaP7LOF0QAmaA==:117 a=DxHlV3/gbUaP7LOF0QAmaA==:17 a=IkcTkHD0fZMA:10 a=mDV3o1hIAAAA:8 a=szQKJv1uOYi8UyhPnWAA:9 a=QEXdDO2ut3YA:10 a=6k1JwJpU5EIA:10 a=_FVE-zBwftR9WsbkzFJk:22 Message-ID: Date: Thu, 16 Feb 2023 15:48:08 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.7.2 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> <40be2354-2b2a-ec18-6fee-65204680c74e@Shaw.ca> <7918828e-2ea4-1003-0286-14ff21b9a8c0@gmail.com> From: Brian Inglis Organization: Inglis In-Reply-To: <7918828e-2ea4-1003-0286-14ff21b9a8c0@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-CMAE-Envelope: MS4xfHu8JT1F9AeE0aWJqzigo8PDy3b/RZgWpqUJBNRgZ853FEQusPyDSuDYh/ktji69ia15WMbEVBZk0hn38d7b1g9rSAGikjj/VYgKUacc14lEJqAFSRFH LxyXQ0DJxoLK1amQ+EDI41sjHWRXnvSxA9pszdZ/tKpxBlhOVba+6Hk3rexzpzRfOCZ4CS870bfoHA== X-Spam-Status: No, score=-1.4 required=5.0 tests=BAYES_00,BODY_8BITS,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,KAM_SHORT,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 2023-02-16 11:57, Marco Atzeri via Cygwin-apps wrote: > On 16.02.2023 17:49, Brian Inglis via Cygwin-apps wrote: >> On 2023-02-16 00:47, Marco Atzeri via Cygwin-apps wrote: >>> On 15.02.2023 19:09, Ken Brown via Cygwin-apps wrote: >>>> On 2/14/2023 4:23 PM, Marco Atzeri via Cygwin-apps wrote: >>>>> On 14.02.2023 17:49, Brian Inglis via Cygwin-apps wrote: >>>>>> There is a make 4.4.1 release candidate 4.40.0.90 with patches that may >>>>>> help to deal with this: >>>>>>      https://alpha.gnu.org/gnu/make/make-4.4.0.90.tar.lz{,.sig} >>>>>> https://sv.gnu.org/bugs/index.php?group=make&report_id=111&fix_release_id=110&set=custom >>>>> test version built and on the way >>>> The problems I reported with make 4.4 still exist in 4.4.0.90. >>>> Until someone can figure out why this happens, you might want to consider >>>> building make so that it doesn't default to using a FIFO for its jobserver. >>>> I suggested to the make developers that they provide a configure option for >>>> this purpose.  If they don't do this, I think you could accomplish the same >>>> thing by configuring make with ac_cv_func_mkfifo=no. >>> version 2 uploaded. >> Might be good to follow up on bug-make at gnu dot org to let them know that >> pre-release does not help us, and it has been rereleased building with >> ac_cv_func_mkfifo=no which does. >> I notice that posix_spawn is defaulted, any chance it could be implicated? > what are you using as test ? > Standard build tests are fine for both -1 and -2 I'm not seeing make issues so far! x fingers - touch wood - no jinxes! ;^> Are there high parallel make tests that show the issues with FIFO? Just aware that if there are issues, sometimes flipping a config option gives a different result, and occasionally a fix, or a broken build. :-( -- 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