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=-10.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 36ED7C43387 for ; Fri, 11 Jan 2019 14:33:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 05B412133F for ; Fri, 11 Jan 2019 14:33:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1547217189; bh=GFiJ5V2GYp6OVGxvC2lDmRXd6F/KwdhzO2MBCI87OH4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=fWuoSjoaSde9G1pDWec5kLWHOy8U6YK+FkHU+KQn4yaAlOiNElZ+ykBKW8DfoA+9m ZtQQjUmeGWoWbs2+ov11tdZWJvl9Ab0q4y6cfkXutgk/RdbxfXy+MAYXF4MdZDPJZl FiRFxu//HfsbZbyeTjqnfTt8TlJA+MBTlxDjTQjU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389596AbfAKOdH (ORCPT ); Fri, 11 Jan 2019 09:33:07 -0500 Received: from mail.kernel.org ([198.145.29.99]:53248 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389582AbfAKOdF (ORCPT ); Fri, 11 Jan 2019 09:33:05 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2A2832133F; Fri, 11 Jan 2019 14:33:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1547217184; bh=GFiJ5V2GYp6OVGxvC2lDmRXd6F/KwdhzO2MBCI87OH4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WcPykRM8bemxV/NX7h2rNf0frd0LUNtm6mgN/faTrTEkUaF80iRgaRMP/S26R/GAC rJzzLEJQ9WNSKaUo+FblUt3c8ejc4cIwWKnvu6JJJ5HJyWB+2S8fMsxvyjie78n9qm UL5Y9YY6EOeoC5xvq7TGlwLEvHBSlaEhkBF1dx8w= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Masahiro Yamada , Nick Desaulniers , Greg Hackmann , Nathan Chancellor Subject: [PATCH 4.14 074/105] kbuild: consolidate Clang compiler flags Date: Fri, 11 Jan 2019 15:14:45 +0100 Message-Id: <20190111131109.190653378@linuxfoundation.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190111131102.899065735@linuxfoundation.org> References: <20190111131102.899065735@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Masahiro Yamada commit 238bcbc4e07fad2fff99c5b157d0c37ccd4d093c upstream. Collect basic Clang options such as --target, --prefix, --gcc-toolchain, -no-integrated-as into a single variable CLANG_FLAGS so that it can be easily reused in other parts of Makefile. Signed-off-by: Masahiro Yamada Reviewed-by: Nick Desaulniers Tested-by: Nick Desaulniers Acked-by: Greg Hackmann Signed-off-by: Nathan Chancellor Signed-off-by: Greg Kroah-Hartman --- Makefile | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) --- a/Makefile +++ b/Makefile @@ -479,18 +479,17 @@ endif ifeq ($(cc-name),clang) ifneq ($(CROSS_COMPILE),) -CLANG_TARGET := --target=$(notdir $(CROSS_COMPILE:%-=%)) +CLANG_FLAGS := --target=$(notdir $(CROSS_COMPILE:%-=%)) GCC_TOOLCHAIN_DIR := $(dir $(shell which $(LD))) -CLANG_PREFIX := --prefix=$(GCC_TOOLCHAIN_DIR) +CLANG_FLAGS += --prefix=$(GCC_TOOLCHAIN_DIR) GCC_TOOLCHAIN := $(realpath $(GCC_TOOLCHAIN_DIR)/..) endif ifneq ($(GCC_TOOLCHAIN),) -CLANG_GCC_TC := --gcc-toolchain=$(GCC_TOOLCHAIN) +CLANG_FLAGS += --gcc-toolchain=$(GCC_TOOLCHAIN) endif -KBUILD_CFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC) $(CLANG_PREFIX) -KBUILD_AFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC) $(CLANG_PREFIX) -KBUILD_CFLAGS += -no-integrated-as -KBUILD_AFLAGS += -no-integrated-as +CLANG_FLAGS += -no-integrated-as +KBUILD_CFLAGS += $(CLANG_FLAGS) +KBUILD_AFLAGS += $(CLANG_FLAGS) endif RETPOLINE_CFLAGS_GCC := -mindirect-branch=thunk-extern -mindirect-branch-register