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=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 1B417C433DF for ; Wed, 27 May 2020 13:49:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 04D07207D8 for ; Wed, 27 May 2020 13:49:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388818AbgE0Nt6 (ORCPT ); Wed, 27 May 2020 09:49:58 -0400 Received: from mout.kundenserver.de ([212.227.126.187]:51029 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388607AbgE0Nt5 (ORCPT ); Wed, 27 May 2020 09:49:57 -0400 Received: from threadripper.lan ([149.172.98.151]) by mrelayeu.kundenserver.de (mreue011 [212.227.15.129]) with ESMTPA (Nemesis) id 1MeToK-1j3mD13omq-00aStF; Wed, 27 May 2020 15:49:47 +0200 From: Arnd Bergmann To: Russell King Cc: Arnd Bergmann , Szabolcs Nagy , Masahiro Yamada , Will Deacon , Nathan Chancellor , Nathan Huckleberry , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] ARM: pass -msoft-float to gcc earlier Date: Wed, 27 May 2020 15:49:34 +0200 Message-Id: <20200527134946.1034391-1-arnd@arndb.de> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Provags-ID: V03:K1:G5fO0GvXqQ7URCOK275565svfOfjD5zjWbghoAyYqsXD61NGPPV K3P+UcFTh2o/d8MI/VsrOcbfFksMEw7u1v2KFJI6nP+xf/v/qOU6RVa+Pu5ZZg2ZtebjVaW tsb2V6RQplKSQTiTvuvi5WkDqZy6qzEGPwloEkwqKHfbICW6mNJObm/mwqBT1AGpuNNM43i vEz1YQwWcfzoziXlzOepQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:F/gBf8yOHW8=:5cuOcmDhdtzCJCm0zoNZgt ZtF8+oGlZwNWTXQJqiHCMjNXmEsfdwmft9cA4rbnXJs9aM7km6WYRsyc6oz9js5S1d3sh/aye xnogOzfSLlw+BYYo/c4AzbyxQgxv4OKSMa+RisnP8LfBCwUO980XTUQV5zRKqWw8IZn+FMPmB WtZhDlM9utEQyHFrPLej3hA/59gBS9ly0J0hXKZJRAvsykz8CzxVdtB639NywEP24FtN7cth6 bWHBzJeTfzu/4dB6UWULId8FwI0XShfSfurO6JXs7gLBUJMruxzK9t8Y7WnCWnJY5e6q+GtOv +Mv0p6hs0+HsDU1jJRyQXtAbdAWJ92FMIaBptBuDogpASSMz2MwT2XeL6XXFAwJ+ndY/WBfbz SP3HS5MpUbA06oumhVdpuZR2WY8I3DxrmL5XYz9SXyJrr9PnEvcyrUwVjyK9dYSVvQhiLKfi1 szwpcnObSPKcbdjQkxZSQ6WNJ73zQxmBtiqUjSZoy3FAxEvaGu23bH6+gRn2oFkkd0/M5R7UC Gs8rPkNeFdnDTpOeJOUXlD4t/AbqNafO0auZuWwnmvA9dRBiJfVj/Y63/XIkstvjBbTWx9GjG aUoPZpu+wffPiTB/0WCY3K4EQn5S0XwRXYYKHfypFtctx52XbI9G2utzxW4henz2dE4/gvxFa +3ZNgLhUBk1iDMWpzcERcAgRiGTX+Uxwk9yimIb1V6k4SUnoH6rKXG91EPLsNHPr54fMeJvF5 3lu5tOCJzhS33qiU2PAupR2XFh93FPWVYvs55jwY0OiFTlqbH9DoBINICzuivzM3NVBPRryvJ KywP/UlNgPerwZHcHme3CXB1FxX6+wGwHYyoiXy3Lac0wX7lfM= Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Szabolcs Nagy ran into a kernel build failure with a custom gcc toochain that sets -mfpu=auto -mfloat-abi-hard: /tmp/ccmNdcdf.s:1898: Error: selected processor does not support `cpsid i' in ARM mode The problem is that $(call cc-option, -march=armv7-a) fails before the kernel overrides the gcc options to also pass -msoft-float. Move the option to the beginning the Makefile, before we call cc-option for the first time. Reported-by: Szabolcs Nagy Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87302 Signed-off-by: Arnd Bergmann --- arch/arm/Makefile | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/arm/Makefile b/arch/arm/Makefile index fcd40c5bfd94..9804f8f61e67 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -16,6 +16,8 @@ LDFLAGS_vmlinux += --be8 KBUILD_LDFLAGS_MODULE += --be8 endif +KBUILD_CFLAGS += -msoft-float + ifeq ($(CONFIG_CPU_32v4),y) LDFLAGS_vmlinux += $(call ld-option,--fix-v4bx) LDFLAGS_MODULE += $(call ld-option,--fix-v4bx) @@ -138,7 +140,7 @@ AFLAGS_ISA :=$(CFLAGS_ISA) endif # Need -Uarm for gcc < 3.x -KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm +KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -Uarm KBUILD_AFLAGS +=$(CFLAGS_ABI) $(AFLAGS_ISA) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float CHECKFLAGS += -D__arm__ -- 2.26.2