From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 61223C433DF for ; Mon, 8 Jun 2020 01:30:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 394822076A for ; Mon, 8 Jun 2020 01:30:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="NFphu1AN" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728502AbgFHBaQ (ORCPT ); Sun, 7 Jun 2020 21:30:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35076 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728094AbgFHBaP (ORCPT ); Sun, 7 Jun 2020 21:30:15 -0400 Received: from mail-pf1-x442.google.com (mail-pf1-x442.google.com [IPv6:2607:f8b0:4864:20::442]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6E3F0C08C5C3; Sun, 7 Jun 2020 18:30:15 -0700 (PDT) Received: by mail-pf1-x442.google.com with SMTP id 64so948103pfv.11; Sun, 07 Jun 2020 18:30:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=YqMDTip8O2bB4WduPS64zt7/d0YFYXeSrLo1mf+ncN0=; b=NFphu1AN7oiLsCDH5WWR5hY/miiUfbOF6SfYL30tAAu8bjOatIm73sr/PvepUS3NtA 5TKujwcccW1RqglAR7kvAsQ1GqMgmqhRCsF3gio/xccvw6A7/3TgbNjJvo7WnupuZTN3 6htsksRwu6K4SX4nhKtD+W07jeiHQM0C9prrpnfRxPoaFx+RsxPBX9O//iXl6i9y/yuK Bddtqq1UVsATiLP4J8UIJULT3BFAyRnhNV09KxamDOn8KmRa3X8q+wMzJCu/8FrZjXBK iYScm4R6Gjt1sy1lNlsPJrQyadX9l2uH/H03CbE8j7cnvUu8rX+KbJzvTzn/Fc3L0A15 lYkA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to:user-agent; bh=YqMDTip8O2bB4WduPS64zt7/d0YFYXeSrLo1mf+ncN0=; b=OhT+lthaTVN+Q8AJwj+HAW9KSb5G/ykcRQQl83EatOFqR8/E0GZtJzML+eUyj7K+ji q9ul+O9NUzQ/wypsQMiaxc+srgcIXyURFdBLD7CGm7UwlKTQHSYshbx1zxS3TJuBn0m0 sX0dGFKpyVYQrSHi54fVrdNnDic6txoUp88WYn/jCeX6RQP+MZ0aVeP9cmW5J/hp//Bc uO25H2n7chSnmErUSne7jL9rsSyVEYJRt4y4/DA5z1vQwhyL/W2jeJ2vfd29QZhaSNlI Xb7p/PwjNMLMMdxXP8eHxpz3zwaD+oodeu1uPwMG8joEhwLGrxrqkCks7PLgDrajk+vk rWlw== X-Gm-Message-State: AOAM533mfVCf8vVQQrtnNq6iVQAUIj26fJc0xwkN3tnoU+O30Liiv8C+ CQ7f9zmsaWMDbDkA5X8oLYk= X-Google-Smtp-Source: ABdhPJyx2ve+M3tSV5vKFdvWJ2Nhj/XpAT9Ii2mlLbJGU2Ce1+N807x6MWnE8FaJG1zXrfYLH8Fbcg== X-Received: by 2002:a62:7c09:: with SMTP id x9mr20026171pfc.287.1591579814794; Sun, 07 Jun 2020 18:30:14 -0700 (PDT) Received: from localhost ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id v129sm5365189pfv.18.2020.06.07.18.30.13 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Sun, 07 Jun 2020 18:30:14 -0700 (PDT) Date: Sun, 7 Jun 2020 18:30:12 -0700 From: Guenter Roeck To: Denis Efremov Cc: Masahiro Yamada , Stephen Rothwell , linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v5] kbuild: add variables for compression tools Message-ID: <20200608013012.GA216607@roeck-us.net> References: <20200514131234.380097-1-efremov@linux.com> <20200605073955.6384-1-efremov@linux.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200605073955.6384-1-efremov@linux.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On Fri, Jun 05, 2020 at 10:39:55AM +0300, Denis Efremov wrote: > Allow user to use alternative implementations of compression tools, > such as pigz, pbzip2, pxz. For example, multi-threaded tools to > speed up the build: > $ make GZIP=pigz BZIP2=pbzip2 > > Variables _GZIP, _BZIP2, _LZOP are used internally because original env > vars are reserved by the tools. The use of GZIP in gzip tool is obsolete > since 2015. However, alternative implementations (e.g., pigz) still rely > on it. BZIP2, BZIP, LZOP vars are not obsolescent. > When building mips:defconfig, this patch results in: Building mips:defconfig ... failed -------------- Error log: /bin/sh: -n: command not found make[3]: *** [kernel/config_data.gz] Error 127 make[3]: *** Deleting file 'kernel/config_data.gz' make[3]: *** Waiting for unfinished jobs.... make[2]: *** [kernel] Error 2 make[2]: *** Waiting for unfinished jobs.... make[1]: *** [autoksyms_recursive] Error 2 make: *** [__sub-make] Error 2 Reverting this patch fixes the problem. Bisect log is attached. Guenter --- # bad: [cf0c97f148e9e50aa5a7ddd1984a604dd2bde4af] Merge tag 'pinctrl-v5.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl # good: [aaa2faab4ed8e5fe0111e04d6e168c028fe2987f] Merge tag 'for-linus-5.8-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux git bisect start 'HEAD' 'aaa2faab4ed8' # good: [77f55d1305c11fb729b88f2c3f7881ba0831fa6f] staging: rtl8723bs: Use common packet header constants git bisect good 77f55d1305c11fb729b88f2c3f7881ba0831fa6f # bad: [e611c0fe318c6d6827ee2bba660fbc23cf73f7dc] Merge tag 'usb-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb git bisect bad e611c0fe318c6d6827ee2bba660fbc23cf73f7dc # bad: [cff11abeca78aa782378401ca2800bd2194aa14e] Merge tag 'kbuild-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild git bisect bad cff11abeca78aa782378401ca2800bd2194aa14e # good: [2bd81cd04a3f5eb873cc81fa16c469377be3b092] Merge branch 'remotes/lorenzo/pci/vmd' git bisect good 2bd81cd04a3f5eb873cc81fa16c469377be3b092 # good: [269a535ca931b754a40dda3ab60514e68773c759] modpost: generate vmlinux.symvers and reuse it for the second modpost git bisect good 269a535ca931b754a40dda3ab60514e68773c759 # good: [e542e0dc3ee3eafc46dd8e3073388079d69cace0] Merge branch 'dmi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging git bisect good e542e0dc3ee3eafc46dd8e3073388079d69cace0 # good: [4de7b62936122570408357417f21072e78292926] modpost: remove is_vmlinux() helper git bisect good 4de7b62936122570408357417f21072e78292926 # good: [1ee18de92927f37e6948d5a6fc73cbf89f806905] Merge tag 'dma-mapping-5.8' of git://git.infradead.org/users/hch/dma-mapping git bisect good 1ee18de92927f37e6948d5a6fc73cbf89f806905 # bad: [8dfb61dcbaceb19a5ded5e9c9dcf8d05acc32294] kbuild: add variables for compression tools git bisect bad 8dfb61dcbaceb19a5ded5e9c9dcf8d05acc32294 # good: [c0901577e1dcc8d1c0fd1a11c8d571f650df845f] kbuild: doc: rename LDFLAGS to KBUILD_LDFLAGS git bisect good c0901577e1dcc8d1c0fd1a11c8d571f650df845f # good: [e0b250b57dcf403529081e5898a9de717f96b76b] Makefile: install modules.builtin even if CONFIG_MODULES=n git bisect good e0b250b57dcf403529081e5898a9de717f96b76b # first bad commit: [8dfb61dcbaceb19a5ded5e9c9dcf8d05acc32294] kbuild: add variables for compression tools