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Tue, 19 May 2020 22:09:48 +0000 Received: from mout.kundenserver.de ([212.227.126.133]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jbAQh-0005j9-FU for linux-arm-kernel@lists.infradead.org; Tue, 19 May 2020 22:09:45 +0000 Received: from localhost.localdomain ([149.172.98.151]) by mrelayeu.kundenserver.de (mreue011 [212.227.15.129]) with ESMTPA (Nemesis) id 1Mj8Vx-1j5fUO0KHd-00f6z6; Wed, 20 May 2020 00:09:33 +0200 From: Arnd Bergmann To: Russell King Subject: [PATCH] ARM: pass -msoft-float to gcc earlier Date: Wed, 20 May 2020 00:08:55 +0200 Message-Id: <20200519220923.1601303-1-arnd@arndb.de> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 X-Provags-ID: V03:K1:wV6x9QxzVEAmfgleaEmiJ1+1+ez2lYlhCOI97T7b7A0kktn7leA eBNumwgh0dBbKPKtn+41PyK6S+nmES2j2TmO36+gTiFDUB/N9XddcQFPMmz0U7D1mTzzSNb MwAp6ICoc/0TD2RKRnDzTHm40zeWhHHW8hv+m2V0GAYVT2cZple0hKqcb0wjc6uJwUU/wnR R7UKIdUdosSPE8YD7owUg== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:GczoRTp8Z20=:oElP6mJ4TmvCNUchkcksR+ 2pwnLqRT4T0zcnrSMOQAFu7G6tdX+3MyhN1+8omC9LGIJxSQiiaexTqh/czy/LPRJBRdnS8ui htb14BcwzwvGw2tj1DXBpJKDpevif5iU+0qbrryfIi7NkHIzn0E/e91JmBhkMGpA9aDK7qAOv DJDEtKvfFevGRlBnstNBQ+TW7jSjky8y3ZxwG3nbOPiJgHwmP12HXHCfEvkQm1hrIDg1ALQjq 4L4AdTyNNTb2EQMMZ1QVCAHFXL0NbZCYIwUaHtRnD8gWqqb5wZLwyX+JodAUZW/URv/1NmL5e Z/Gg0NdIP0yp/PVRrW9ls+JtzAShB9ZwDjacH3GDnr7JZAquKFKUMGJWJLQ/d+gz9pXrbkkr4 ykAJZE1qB1c7ih2GorSojElV/e+l3U7bKWmkuhCRsF7zsXTNarcj4fxXT+RG5AsBXQLQUvmkm LJdit0f/yLMwg3YKC1kEV5y9/l2pRbyeCpvd5ym72EiXbVVulipUn6zrocaWTC8TcCXRLzzHz n/PgxQ2QpySb0I30DTW3/RU2FZFoAq0xp/WouJLJLjQnCT33b+u3U5vDrTwU4aN0Mv9+mSYzz vBtTbcE3fC23Mbv5a+PuVXZfS1Z0bTau4l915odZjay8hFi95vPbMpFry8dYWzR+qp19gbWcq K/tleul1NYY8t+UU/5rY8skb7kPpeSbyf8cLg0wIOJBIvds1qNbMsGv5kcQXqvUJleNaodBp6 +Hgj2ERR/vpeJj1hwCpA8rD1xLe+cn8Kw9BHMRo6h5hqQOX80F6d/EmFMwFDNPP89H4d88Q0m JVNGe4G5fxQLSpcuvoc6hAabeqVMPMT30WUTInGbL2lHjVL8Hw= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200519_150943_814400_F30EAE11 X-CRM114-Status: GOOD ( 11.51 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [212.227.126.133 listed in list.dnswl.org] 0.0 SPF_NONE SPF: sender does not publish an SPF Record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [212.227.126.133 listed in wl.mailspike.net] X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Arnd Bergmann , Szabolcs Nagy , Linus Walleij , Nick Desaulniers , linux-kernel@vger.kernel.org, Masahiro Yamada , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.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 $(call cc-option, -march=armv7-a) fails before the kernel overrides the gcc options to also pass -msoft-float. Move the option to the beginning the Makefile, before we call cc-option for the first time. Reported-by: Szabolcs Nagy Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87302 Signed-off-by: Arnd Bergmann Reviewed-by: Nick Desaulniers --- arch/arm/Makefile | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 7d5cd0f85461..e428ea6eb0fa 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -16,6 +16,8 @@ LDFLAGS_vmlinux += --be8 KBUILD_LDFLAGS_MODULE += --be8 endif +KBUILD_CFLAGS += -msoft-float + ifeq ($(CONFIG_ARM_MODULE_PLTS),y) KBUILD_LDS_MODULE += $(srctree)/arch/arm/kernel/module.lds endif @@ -135,7 +137,7 @@ AFLAGS_ISA :=$(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__