From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr1-x431.google.com (mail-wr1-x431.google.com [IPv6:2a00:1450:4864:20::431]) by sourceware.org (Postfix) with ESMTPS id 87DC33858D38 for ; Mon, 20 Feb 2023 17:34:18 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 87DC33858D38 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-wr1-x431.google.com with SMTP id v3so1938063wrp.2 for ; Mon, 20 Feb 2023 09:34:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=k2fvFX26RLFxSkTQXnP30DCTqE2NQTlawnm3ddVcdz8=; b=dXXe216AAoydIW09qSvdJMoGjUwdCSCFQ45ive/MP8mS+gWyvHq9dHZJX7kfIjqLEp 3JNIJh4M3vnxvMJjsPveY4c8RGaoQs0vcoHNn9DAgBTanAexRuK5BqCWKLQaoYAnusNP 2zTvBOTIJKonFlFrMC/gvZ9x0zHHs5gfyZTtL+mHS4pbfHLN4ADi+0cyeJv8ekOk9jkL YCxf1MqXYzseYWpLXiFPa6wLFdTLIsXBRxUtynEFW4J1cawDAnBw5NhfGzTLB+uUc9jb +x1ezq8xRMgyNjYie3IeC7yDUxwf+GFnK2eA6rI33aZad1BUtAu38oKdfXdRo1ELPM7x NRBw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=k2fvFX26RLFxSkTQXnP30DCTqE2NQTlawnm3ddVcdz8=; b=JVpAHWoh2mtRzsCe4LJWGkZ4VQeSkCW8v+p/KE+vS+4w/p0LLqBfkZHSlFuRnfwGjb sdKc8fRETyufYVFE/Fklr14UfEc+xVXHSDzfKpXmKa0Te2m/cU3BgBTxQKycvtnhmVht oagvHCSXvuiBcblphQ0dx2T+53I4a/iuMODWGr6p91Z7CD5Pd2v6sQ5qo4Of12RF4ZYq MrtDvjtfk/+aVSj6Mhrw6KJAmqAXC++Pa7AY6ykon7/Q2bcimn4LvRzxTd10KvFFtpqe wz6w7eElJUOaL1i/h3gIXwGs2dYHN87RJp7WUV77TlB/ngw4b3pTF3VAzkvO6CVaulr4 1sjg== X-Gm-Message-State: AO0yUKUsc+mDo4yv9WuRjYiLdu+Q+6T4BGRLsDFDysjxqksaA7RWqBQn aGKjGmP0PX1zCnn0T6dtcFeoB1ze9Ww= X-Google-Smtp-Source: AK7set/poVr6z2MQRrEfvepqsDmwsxxvGFxDfWofikaC6+498YuOsp+1Iki23RnGab0suDy87tZeWw== X-Received: by 2002:adf:f1c4:0:b0:2c5:594b:10d5 with SMTP id z4-20020adff1c4000000b002c5594b10d5mr1868981wro.1.1676914457078; Mon, 20 Feb 2023 09:34:17 -0800 (PST) Received: from ?IPV6:2001:a61:12a9:1801:3cc7:8c1c:7512:1995? ([2001:a61:12a9:1801:3cc7:8c1c:7512:1995]) by smtp.gmail.com with ESMTPSA id r26-20020a05600c2f1a00b003db0bb81b6asm911627wmn.1.2023.02.20.09.34.16 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 20 Feb 2023 09:34:16 -0800 (PST) Message-ID: <02cfd113-9e50-7ac9-29f2-0e09eba50f84@gmail.com> Date: Mon, 20 Feb 2023 18:34:16 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.7.2 Subject: Re: Heads up: Problems with parallel make Content-Language: it 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> From: Marco Atzeri In-Reply-To: <39257fa6-df12-41d0-57fa-e26113a8efc6@cornell.edu> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-1.4 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,NICE_REPLY_A,RCVD_IN_DNSWL_NONE,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 20.02.2023 18:14, Ken Brown via Cygwin-apps wrote: > On 2/20/2023 12:00 PM, Achim Gratz via Cygwin-apps wrote: >> Ken Brown via Cygwin-apps writes: >>> Thanks, Marco.  As expected, that fixes the problem for my test case >>> (building TeX Live).  Obviously it would be better if the make >>> developers would provide a configure option to use a pipe for the >>> jobserver, but this is a good workaround if they don't. >> >> Does it actually do a parallel build?  I've quickly tested a cmake based >> project with it and it completely serializes the build.  Reverting to >> 4.4 resolves that problem. I noticed the same with another cmake build make[1]: warning: jobserver unavailable: using -j1. Add '+' to parent make rule. but I do not see the message on Autoconf build > > It does for my build of TeX Live.  I just tried 'make -j13 check', and I > saw many make processes and many sh processes running at once.  [But I'm > currently testing a self-built make 4.4.0.91.] > > Ken I will build it and test again Regards Marco