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[213.112.61.44]) by smtp.gmail.com with ESMTPSA id q78-v6sm6988379lfd.35.2018.06.07.23.51.41 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 07 Jun 2018 23:51:41 -0700 (PDT) From: Anders Roxell To: ast@kernel.org, daniel@iogearbox.net, ys114321@gmail.com, shuah@kernel.org Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, Anders Roxell Subject: [PATCH v2] selftests: bpf: fix urandom_read build issue Date: Fri, 8 Jun 2018 08:51:27 +0200 Message-Id: <20180608065127.28115-1-anders.roxell@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: References: MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org gcc complains that urandom_read gets built twice. gcc -o tools/testing/selftests/bpf/urandom_read -static urandom_read.c -Wl,--build-id gcc -Wall -O2 -I../../../include/uapi -I../../../lib -I../../../lib/bpf -I../../../../include/generated -I../../../include urandom_read.c urandom_read -lcap -lelf -lrt -lpthread -o tools/testing/selftests/bpf/urandom_read gcc: fatal error: input file ‘tools/testing/selftests/bpf/urandom_read’ is the same as output file compilation terminated. ../lib.mk:110: recipe for target 'tools/testing/selftests/bpf/urandom_read' failed To fix this issue remove the urandom_read target and so target TEST_CUSTOM_PROGS gets used. Fixes: 81f77fd0deeb ("bpf: add selftest for stackmap with BPF_F_STACK_BUILD_ID") Signed-off-by: Anders Roxell Acked-by: Yonghong Song --- tools/testing/selftests/bpf/Makefile | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) -- 2.17.1 diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile index 607ed8729c06..7a6214e9ae58 100644 --- a/tools/testing/selftests/bpf/Makefile +++ b/tools/testing/selftests/bpf/Makefile @@ -16,9 +16,7 @@ LDLIBS += -lcap -lelf -lrt -lpthread TEST_CUSTOM_PROGS = $(OUTPUT)/urandom_read all: $(TEST_CUSTOM_PROGS) -$(TEST_CUSTOM_PROGS): urandom_read - -urandom_read: urandom_read.c +$(TEST_CUSTOM_PROGS): $(OUTPUT)/%: %.c $(CC) -o $(TEST_CUSTOM_PROGS) -static $< -Wl,--build-id # Order correspond to 'make run_tests' order