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[178.94.200.168]) by smtp.gmail.com with ESMTPSA id f19sm628149lfk.43.2019.08.29.17.50.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Aug 2019 17:50:42 -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 01/10] samples: bpf: Makefile: use --target from cross-compile Date: Fri, 30 Aug 2019 03:50:28 +0300 Message-Id: <20190830005037.24004-2-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: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org For cross compiling the target triple can be inherited from cross-compile prefix as it's done in CLANG_FLAGS from kernel makefile. So copy-paste this decision from kernel Makefile. Signed-off-by: Ivan Khoronzhuk --- samples/bpf/Makefile | 2 ++ 1 file changed, 2 insertions(+) -- 2.17.1 diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile index 1d9be26b4edd..61b7394b811e 100644 --- a/samples/bpf/Makefile +++ b/samples/bpf/Makefile @@ -196,6 +196,8 @@ BTF_PAHOLE ?= pahole # Detect that we're cross compiling and use the cross compiler ifdef CROSS_COMPILE HOSTCC = $(CROSS_COMPILE)gcc +CLANG_ARCH_ARGS = --target=$(notdir $(CROSS_COMPILE:%-=%)) +else CLANG_ARCH_ARGS = -target $(ARCH) endif