From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932387Ab3CGDls (ORCPT ); Wed, 6 Mar 2013 22:41:48 -0500 Received: from terminus.zytor.com ([198.137.202.10]:49793 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754489Ab3CGDlr (ORCPT ); Wed, 6 Mar 2013 22:41:47 -0500 Message-ID: <51380C65.50202@zytor.com> Date: Wed, 06 Mar 2013 19:41:25 -0800 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130219 Thunderbird/17.0.3 MIME-Version: 1.0 To: Maxime Ripard CC: linux-kernel@vger.kernel.org, linux-kbuild Subject: Re: 3.9-rc1: hz.bc compilation breakage References: <5137546B.2090801@free-electrons.com> In-Reply-To: <5137546B.2090801@free-electrons.com> X-Enigmail-Version: 1.5.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 03/06/2013 06:36 AM, Maxime Ripard wrote: > Hi, > > I'm compiling the kernel for an iMX28(ARM) board, and since 3.9-rc1, I > get the following error at compilation time: > > make[3]: *** No rule to make target > `/home/max/Work/2012/crystalfontz/rewrite/linux-dt/include/config/hz.h', > needed by `kernel/hz.bc'. Stop. > > I'm doing a clean out-of-tree build, with the following configuration > file: http://code.bulix.org/m4y7se-83102?raw > > Reverting commit 1b66e0fd ("kernel: Replace timeconst.pl with a bc > script") make the compilation go on as usual. > That file should have been created by "make *config", and I just verified that it does indeed do so. That file is a sentinel for configuration changes; the entire build system depends on it. I am not sure what you mean with "clean out-of-tree", however. kbuild people: is there anything wrong with how this dependency is specified? -hpa