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Date: Mon, 14 Nov 2022 21:34:31 +0100 From: Andrea Righi <andrea.righi@...onical.com> To: Shuah Khan <shuah@...nel.org> Cc: Paolo Abeni <pabeni@...hat.com>, Coleman Dietsch <dietschc@....edu>, Lina Wang <lina.wang@...iatek.com>, Kamal Mostafa <kamal@...onical.com>, linux-kselftest@...r.kernel.org, netdev@...r.kernel.org, bpf@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH] selftests net: additional fix for kselftest net build error We need to make sure that bpf_helpers.h is properly generated when building the net kselftest, otherwise we get this build error: $ make -C tools/testing/selftests/net ... bpf/nat6to4.c:43:10: fatal error: 'bpf/bpf_helpers.h' file not found ^~~~~~~~~~~~~~~~~~~ 1 error generated. Fix by adding a make dependency on tools/lib/bpf/bpf_helper_defs.h. Moreover, re-add the include that was initially added by commit cf67838c4422 ("selftests net: fix bpf build error"), otherwise we won't be able to properly include bpf_helpers.h. Fixes: 7b92aa9e6135 ("selftests net: fix kselftest net fatal error") Signed-off-by: Andrea Righi <andrea.righi@...onical.com> --- tools/testing/selftests/net/bpf/Makefile | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/net/bpf/Makefile b/tools/testing/selftests/net/bpf/Makefile index 8ccaf8732eb2..cc6579e154eb 100644 --- a/tools/testing/selftests/net/bpf/Makefile +++ b/tools/testing/selftests/net/bpf/Makefile @@ -2,11 +2,15 @@ CLANG ?= clang CCINCLUDE += -I../../bpf +CCINCLUDE += -I../../../lib CCINCLUDE += -I../../../../lib CCINCLUDE += -I../../../../../usr/include/ +bpf_helper_defs.h: + @make OUTPUT=./ -C $(OUTPUT)/../../../../tools/lib/bpf bpf_helper_defs.h + TEST_CUSTOM_PROGS = $(OUTPUT)/bpf/nat6to4.o -all: $(TEST_CUSTOM_PROGS) +all: bpf_helper_defs.h $(TEST_CUSTOM_PROGS) $(OUTPUT)/%.o: %.c $(CLANG) -O2 -target bpf -c $< $(CCINCLUDE) -o $@ -- 2.37.2
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