From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753951AbeCYSKS (ORCPT ); Sun, 25 Mar 2018 14:10:18 -0400 Received: from mail.kmu-office.ch ([178.209.48.109]:54520 "EHLO mail.kmu-office.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753896AbeCYSKG (ORCPT ); Sun, 25 Mar 2018 14:10:06 -0400 From: Stefan Agner To: linux@armlinux.org.uk, ard.biesheuvel@linaro.org, arnd@arndb.de Cc: robin.murphy@arm.com, nicolas.pitre@linaro.org, marc.zyngier@arm.com, behanw@converseincode.com, keescook@chromium.org, Bernhard.Rosenkranzer@linaro.org, mka@chromium.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Stefan Agner Subject: [PATCH v2 5/6] ARM: add support for building ARM kernel with clang Date: Sun, 25 Mar 2018 20:09:58 +0200 Message-Id: <20180325180959.28008-6-stefan@agner.ch> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180325180959.28008-1-stefan@agner.ch> References: <20180325180959.28008-1-stefan@agner.ch> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use cc-options call for compiler options which are not available in clang. With this patch an ARMv7 multi platform kernel can be successfully build using clang (tested with version 5.0.1). Based-on-patches-by: Behan Webster Signed-off-by: Stefan Agner --- Changes in v2: - Drop cc-options in CONFIG_FRAME_POINTER=y case arch/arm/boot/compressed/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile index 45a6b9b7af2a..6a5c4ac97703 100644 --- a/arch/arm/boot/compressed/Makefile +++ b/arch/arm/boot/compressed/Makefile @@ -113,7 +113,7 @@ CFLAGS_fdt_ro.o := $(nossp_flags) CFLAGS_fdt_rw.o := $(nossp_flags) CFLAGS_fdt_wip.o := $(nossp_flags) -ccflags-y := -fpic -mno-single-pic-base -fno-builtin -I$(obj) +ccflags-y := -fpic $(call cc-option,-mno-single-pic-base,) -fno-builtin -I$(obj) asflags-y := -DZIMAGE # Supply kernel BSS size to the decompressor via a linker symbol. -- 2.16.2