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[23.128.96.18]) by mx.google.com with ESMTP id i11si11738484ejr.28.2020.06.09.11.20.09; Tue, 09 Jun 2020 11:20:32 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@google.com header.s=20161025 header.b=IG5ZWN6A; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732698AbgFIRuc (ORCPT + 99 others); Tue, 9 Jun 2020 13:50:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41392 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732599AbgFIRt7 (ORCPT ); Tue, 9 Jun 2020 13:49:59 -0400 Received: from mail-pl1-x642.google.com (mail-pl1-x642.google.com [IPv6:2607:f8b0:4864:20::642]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 93B52C05BD1E for ; Tue, 9 Jun 2020 10:49:59 -0700 (PDT) Received: by mail-pl1-x642.google.com with SMTP id q16so8327616plr.2 for ; Tue, 09 Jun 2020 10:49:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=Jxw7SQE7IH2X4d9HfgPhhYW34Jo16ukZRQvK9MgirSU=; b=IG5ZWN6Awq8yhiA2Np+VMzFdkY6ggmVPtGvmKZaaOE2sIL2OyyYtxrW+J1EaP8c7VE rWKPAStlOVi4LznxoRCaje1R98TtgwMyFPXewLSepVH8AQK8U+zuG8AWrOAQUlTci5nR oi2IheCskDUY7qIAb7oQTHAqcOQbO2tGzbq50DbMl9dw7iAAtH3uJj43KHMnR/kP/cgO PQUo/03EPMTy5RkrfARr9IA7EELTP82nLlTzvWpFOJvqLaxLEiuNuT8Qc8KsEhsn6neX mJoZCIQmT0SyfZftwuCKSQ2cvu01ukHpbFXUzJ7yvE+lPBFaCdRCCSjmHuLEpgoki6MT DZSw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=Jxw7SQE7IH2X4d9HfgPhhYW34Jo16ukZRQvK9MgirSU=; b=nn1MmcrvKDrdppBLnVhKNxnMY9KtlInEoarutDIeFOUH9PJcZJJksz+l0/v+Srdm4r f49VMML7wwg8xlzm8ITthjIx81Fuh1fzfStqzmgfLIQDjv/WwpmR5xIXbb/7mK2VqDUz uWY5KZqjIBEg8epxQFV5RuXxw6lN9sr/eD/KI/cG10pi4uBXUENH3NMxapqtaEBvDISQ 6H5xY+pO02bN0/FxXl5Ih+thFalgng8c8yOjl5/c1hB60fAHIYYi52ICLPf7ROZ9rMkp u/361I3FRGGufMjcLiatwrG8iXbu2OtIsb7aFrk9td1LK9Cwky2Tjdo1b2GyklX6xotN EZKQ== X-Gm-Message-State: AOAM533fT8LWHvhhvyR/B/X7EQs791/iMcd0Gq5eCj3unMR0bMaCwZEp rNf2k/w4snF9gVidlIJwZhVtMQ== X-Received: by 2002:a17:90a:3321:: with SMTP id m30mr6109263pjb.20.1591724998938; Tue, 09 Jun 2020 10:49:58 -0700 (PDT) Received: from google.com ([2620:15c:2ce:0:9efe:9f1:9267:2b27]) by smtp.gmail.com with ESMTPSA id c9sm10609680pfp.100.2020.06.09.10.49.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Jun 2020 10:49:57 -0700 (PDT) Date: Tue, 9 Jun 2020 10:49:54 -0700 From: Fangrui Song To: Nick Desaulniers Cc: kernel test robot , Masahiro Yamada , kbuild-all@lists.01.org, LKML Subject: Re: gcc-5: error: -gz is not supported in this configuration Message-ID: <20200609174954.cckelwl6etwztmhv@google.com> References: <202006092115.nevT7m8D%lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020-06-09, Nick Desaulniers wrote: >On Tue, Jun 9, 2020 at 6:12 AM kernel test robot wrote: >> >> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master >> head: abfbb29297c27e3f101f348dc9e467b0fe70f919 >> commit: 10e68b02c861ccf2b3adb59d3f0c10dc6b5e3ace Makefile: support compressed debug info >> date: 12 days ago >> config: x86_64-randconfig-r032-20200609 (attached as .config) >> compiler: gcc-5 (Ubuntu 5.5.0-12ubuntu1) 5.5.0 20171010 >> reproduce (this is a W=1 build): >> git checkout 10e68b02c861ccf2b3adb59d3f0c10dc6b5e3ace >> # save the attached .config to linux build tree >> make W=1 ARCH=x86_64 >> >> If you fix the issue, kindly add following tag as appropriate >> Reported-by: kernel test robot >> >> All errors (new ones prefixed by >>, old ones prefixed by <<): >> >> >> gcc-5: error: -gz is not supported in this configuration > >Hmm...I wonder if the feature detection is incomplete? I suspect it's >possible to not depend on zlib. > >> make[2]: *** [scripts/Makefile.build:277: scripts/mod/empty.o] Error 1 >> make[2]: Target '__build' not remade because of errors. >> make[1]: *** [Makefile:1169: prepare0] Error 2 >> make[1]: Target 'prepare' not remade because of errors. >> make: *** [Makefile:185: __sub-make] Error 2 The output of gcc-5 -v --version on that machine may help. The convoluted gcc_cv_ld_compress_de logic in gcc/configure.ac may be related, but I can't find any mistake that our CONFIG_DEBUG_INFO_COMPRESSED conditions may make.