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[209.132.180.67]) by mx.google.com with ESMTP id 143si27434687pgc.479.2019.07.29.04.10.03; Mon, 29 Jul 2019 04:10:18 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387603AbfG2LIx (ORCPT + 99 others); Mon, 29 Jul 2019 07:08:53 -0400 Received: from foss.arm.com ([217.140.110.172]:42096 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387457AbfG2LIx (ORCPT ); Mon, 29 Jul 2019 07:08:53 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 2C35428; Mon, 29 Jul 2019 04:08:52 -0700 (PDT) Received: from [10.1.196.72] (e119884-lin.cambridge.arm.com [10.1.196.72]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 8F6E83F694; Mon, 29 Jul 2019 04:08:51 -0700 (PDT) Subject: Re: build error To: Matteo Croce Cc: Will Deacon , LKML , Linux ARM References: <20190729095047.k45isr7etq3xkyvr@willie-the-truck> <1cfad84e-5a98-99bd-07c2-9db0cf37292b@arm.com> From: Vincenzo Frascino Message-ID: Date: Mon, 29 Jul 2019 12:08:50 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Matteo, On 29/07/2019 11:25, Matteo Croce wrote: > On Mon, Jul 29, 2019 at 12:16 PM Vincenzo Frascino > wrote: >> >> Hi Matteo and Will, >> >> >> If I try to build a fresh kernel on my machine with the standard "make mrproper >> && make defconfig && make" I do not see the reported issue (Please see below >> scissors). >> >> At this point would be interesting to know more about how Matteo is building the >> kernel, and try to reproduce the issue here. >> >> @Matteo, could you please provide the full .config and the steps you used to >> generate it? Is it an 'oldconfig'? >> > > Hi, > > yes, this is an oldconfig from a vanilla 5.2, I attach it > (the non gzipped config was dropped by the ML filter) > > I tried your config file and seems working correctly: # cp ~/config ../linux-out/.config # make oldconfig # make arch/arm64/Makefile:56: CROSS_COMPILE_COMPAT not defined or empty, the compat vDSO will not be built --- Could you please send to me the config file that does not contain: CONFIG_CROSS_COMPILE_COMPAT_VDSO="" The original one I mean, on which you did not run make oldconfig. My suspect at this point is that the string passed to CONFIG_CROSS_COMPILE_COMPAT_VDSO is not completely empty. In fact if I do CONFIG_CROSS_COMPILE_COMPAT_VDSO=" " (single space), I do have a failure similar to the one you reported. > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel > -- Regards, Vincenzo