Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263209AbUDAWtK (ORCPT ); Thu, 1 Apr 2004 17:49:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263229AbUDAWtH (ORCPT ); Thu, 1 Apr 2004 17:49:07 -0500 Received: from faui10.informatik.uni-erlangen.de ([131.188.31.10]:16328 "EHLO faui10.informatik.uni-erlangen.de") by vger.kernel.org with ESMTP id S263209AbUDAWtB (ORCPT ); Thu, 1 Apr 2004 17:49:01 -0500 From: Ulrich Weigand Message-Id: <200404012248.AAA23951@faui1d.informatik.uni-erlangen.de> Subject: Re: Linux 2.6 nanosecond time stamp weirdness breaks GCC build To: Joe.Buck@synopsys.com (Joe Buck) Date: Fri, 2 Apr 2004 00:48:55 +0200 (CEST) Cc: ak@suse.de (Andi Kleen), weigand@i1.informatik.uni-erlangen.de (Ulrich Weigand), gcc@gcc.gnu.org, linux-kernel@vger.kernel.org, schwidefsky@de.ibm.com In-Reply-To: <20040401143908.B4619@synopsys.com> from "Joe Buck" at Apr 01, 2004 02:39:08 PM X-Mailer: ELM [version 2.5 PL2] MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 686 Lines: 22 Joe Buck wrote: > Case 2: make falsely thinks that the .c is younger than the .o. It > recompiles the .c file, even though it didn't have to. Harmless. *Not* harmless, in fact this is exactly what breaks my bootstrap. Think about what happens when cc1 is 'harmlessly' rebuilt just while in a parallel make that very same cc1 binary is used to run a compile ... Bye, Ulrich -- Dr. Ulrich Weigand weigand@informatik.uni-erlangen.de - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/