From patchwork Tue Nov 6 03:04:55 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masahiro Yamada X-Patchwork-Id: 993497 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 42pvdD4XhGz9s4s for ; Tue, 6 Nov 2018 14:08:32 +1100 (AEDT) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=socionext.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=nifty.com header.i=@nifty.com header.b="bazDBYFf"; dkim-atps=neutral Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 42pvdD2x2MzF36b for ; Tue, 6 Nov 2018 14:08:32 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=socionext.com Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=nifty.com header.i=@nifty.com header.b="bazDBYFf"; dkim-atps=neutral X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=softfail (mailfrom) smtp.mailfrom=socionext.com (client-ip=210.131.2.76; helo=conuserg-09.nifty.com; envelope-from=yamada.masahiro@socionext.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=socionext.com Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=nifty.com header.i=@nifty.com header.b="bazDBYFf"; dkim-atps=neutral Received: from conuserg-09.nifty.com (conuserg-09.nifty.com [210.131.2.76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 42pvb16c6ZzF35n for ; Tue, 6 Nov 2018 14:06:37 +1100 (AEDT) Received: from pug.e01.socionext.com (p14092-ipngnfx01kyoto.kyoto.ocn.ne.jp [153.142.97.92]) (authenticated) by conuserg-09.nifty.com with ESMTP id wA635Mp2025438; Tue, 6 Nov 2018 12:05:23 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-09.nifty.com wA635Mp2025438 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1541473524; bh=1+BFxkaRJrjARU/GhxBmY3HEDiOtKleHWhuKBQ9VCEE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bazDBYFf/fLxanBbDMmWZm0TVTNGgnIONdWRlQA2PS2kGPaamgVRgGYmeEfyqRYEb 6R1nNrYuVHJ6bVdGEBxyIp32WdqB5RyaT19n7QkMYpUCh0A2THp5iMvf6kjIA24sPm hUN7TSvYaoC0mFCIdXGGPgwoHIft96zYMa4KXQNgeDox2rXdwE8jDu/t8pzoS38P7p Mv1I9AGb17xpnMwI9jeZur+USMq9L1fxVOOWniR5SkE7WwY7oFHOzyTPGvg0dwRYfE yaZWT+SyH7nuaFSBLi0sqxSlJT4f75ZKAAlM9R+wwSDVjLAMmuPwCLmeBS/sNrx4bp wcWnVDLoaB2EQ== X-Nifty-SrcIP: [153.142.97.92] From: Masahiro Yamada To: linux-kbuild@vger.kernel.org Subject: [PATCH v2 2/2] kbuild: consolidate Clang compiler flags Date: Tue, 6 Nov 2018 12:04:55 +0900 Message-Id: <1541473495-25262-2-git-send-email-yamada.masahiro@socionext.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1541473495-25262-1-git-send-email-yamada.masahiro@socionext.com> References: <1541473495-25262-1-git-send-email-yamada.masahiro@socionext.com> 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: Michal Marek , Nick Desaulniers , linux-kernel@vger.kernel.org, Stefan Agner , Masahiro Yamada , Matthias Kaehlcke , Joel Stanley , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" 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 --- Changes in v2: - Use := flavor instead of = because $(CLANG_FLAGS) is expanded soon anyway Makefile | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/Makefile b/Makefile index da11700..e173a73 100644 --- a/Makefile +++ b/Makefile @@ -487,18 +487,17 @@ endif ifneq ($(shell $(CC) --version 2>&1 | head -n 1 | grep clang),) ifneq ($(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