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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 908C3C742A7 for ; Sat, 13 Jul 2019 12:50:35 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 151B72084C for ; Sat, 13 Jul 2019 12:50:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 151B72084C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.crashing.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 45m8lr286LzDqhD for ; Sat, 13 Jul 2019 22:50:32 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=permerror (mailfrom) smtp.mailfrom=kernel.crashing.org (client-ip=63.228.1.57; helo=gate.crashing.org; envelope-from=segher@kernel.crashing.org; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=kernel.crashing.org Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 45m8j23gvMzDqsj for ; Sat, 13 Jul 2019 22:48:06 +1000 (AEST) Received: from gate.crashing.org (localhost.localdomain [127.0.0.1]) by gate.crashing.org (8.14.1/8.14.1) with ESMTP id x6DCllDH011394; Sat, 13 Jul 2019 07:47:47 -0500 Received: (from segher@localhost) by gate.crashing.org (8.14.1/8.14.1/Submit) id x6DCliDE011393; Sat, 13 Jul 2019 07:47:44 -0500 X-Authentication-Warning: gate.crashing.org: segher set sender to segher@kernel.crashing.org using -f Date: Sat, 13 Jul 2019 07:47:44 -0500 From: Segher Boessenkool To: Masahiro Yamada Subject: Re: [PATCH] powerpc: remove meaningless KBUILD_ARFLAGS addition Message-ID: <20190713124744.GS14074@gate.crashing.org> References: <20190713032106.8509-1-yamada.masahiro@socionext.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190713032106.8509-1-yamada.masahiro@socionext.com> User-Agent: Mutt/1.4.2.3i X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Stephen Rothwell , linux-kernel@vger.kernel.org, Nicholas Piggin , Paul Mackerras , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Sat, Jul 13, 2019 at 12:21:06PM +0900, Masahiro Yamada wrote: > The KBUILD_ARFLAGS addition in arch/powerpc/Makefile has never worked > in a useful way because it is always overridden by the following code > in the top Makefile: > > # use the deterministic mode of AR if available > KBUILD_ARFLAGS := $(call ar-option,D) > > The code in the top Makefile was added in 2011, by commit 40df759e2b9e > ("kbuild: Fix build with binutils <= 2.19"). > > The KBUILD_ARFLAGS addition for ppc has always been dead code from the > beginning. That was added in 43c9127d94d6 to replace my 8995ac870273 from 2007. Is it no longer supported to build a 64-bit kernel with a toolchain that defaults to 32-bit, or the other way around? And with non-native toolchains (this one didn't run on Linux, even). Segher