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[178.94.200.168]) by smtp.gmail.com with ESMTPSA id f19sm628149lfk.43.2019.08.29.17.50.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Aug 2019 17:50:43 -0700 (PDT) From: Ivan Khoronzhuk To: linux@armlinux.org.uk, ast@kernel.org, daniel@iogearbox.net, yhs@fb.com, davem@davemloft.net, jakub.kicinski@netronome.com, hawk@kernel.org, john.fastabend@gmail.com Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org, clang-built-linux@googlegroups.com, Ivan Khoronzhuk Subject: [PATCH RFC bpf-next 02/10] samples: bpf: Makefile: remove target for native build Date: Fri, 30 Aug 2019 03:50:29 +0300 Message-Id: <20190830005037.24004-3-ivan.khoronzhuk@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190830005037.24004-1-ivan.khoronzhuk@linaro.org> References: <20190830005037.24004-1-ivan.khoronzhuk@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org No need to set --target for native build, at least for arm, the default target will be used anyway. In case of arm, for at least clang 5 - 10 it causes error like: clang: warning: unknown platform, assuming -mfloat-abi=soft LLVM ERROR: Unsupported calling convention make[2]: *** [/home/root/snapshot/samples/bpf/Makefile:299: /home/root/snapshot/samples/bpf/sockex1_kern.o] Error 1 To make the platform to be known, only set to real triple helps: --target=arm-linux-gnueabihf or just drop the target key to use default one. Decision to just drop it and thus default target will be used, looks better. Signed-off-by: Ivan Khoronzhuk --- samples/bpf/Makefile | 2 -- 1 file changed, 2 deletions(-) -- 2.17.1 diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile index 61b7394b811e..a2953357927e 100644 --- a/samples/bpf/Makefile +++ b/samples/bpf/Makefile @@ -197,8 +197,6 @@ BTF_PAHOLE ?= pahole ifdef CROSS_COMPILE HOSTCC = $(CROSS_COMPILE)gcc CLANG_ARCH_ARGS = --target=$(notdir $(CROSS_COMPILE:%-=%)) -else -CLANG_ARCH_ARGS = -target $(ARCH) endif # Don't evaluate probes and warnings if we need to run make recursively