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selftests/bpf: Copy runqslower to OUTPUT directory 

$(OUTPUT)/runqslower makefile target doesn't actually create runqslower
binary in the $(OUTPUT) directory. As lib.mk expects all
TEST_GEN_PROGS_EXTENDED (which runqslower is a part of) to be present in
the OUTPUT directory, this results in an error when running e.g. `make
install`:

rsync: link_stat "tools/testing/selftests/bpf/runqslower" failed: No
       such file or directory (2)

Copy the binary into the OUTPUT directory after building it to fix the
error.

Fixes: 3a0d3092a4 ("selftests/bpf: Build runqslower from selftests")
Signed-off-by: Veronika Kabatova <vkabatov@redhat.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/20200428173742.2988395-1-vkabatov@redhat.com
This commit is contained in:
Veronika Kabatova 2020-04-28 19:37:42 +02:00 committed by Daniel Borkmann
parent 0b54142e4b
commit b26d1e2b60
1 changed files with 2 additions and 1 deletions
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3
tools/testing/selftests/bpf/Makefile
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@ -141,7 +141,8 @@ VMLINUX_BTF := $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS))))
$(OUTPUT)/runqslower: $(BPFOBJ)
$(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/runqslower \
OUTPUT=$(SCRATCH_DIR)/ VMLINUX_BTF=$(VMLINUX_BTF) \
BPFOBJ=$(BPFOBJ) BPF_INCLUDE=$(INCLUDE_DIR)
BPFOBJ=$(BPFOBJ) BPF_INCLUDE=$(INCLUDE_DIR) && \
cp $(SCRATCH_DIR)/runqslower $@
$(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): $(OUTPUT)/test_stub.o $(BPFOBJ)