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tools/bpf/runqslower: Rebuild libbpf.a on libbpf source change

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Add missing dependency of $(BPFOBJ) to $(LIBBPF_SRC), so that running make
in runqslower/ will rebuild libbpf.a when there is change in libbpf/.

Fixes: 9c01546d26 ("tools/bpf: Add runqslower tool to tools/bpf")
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/20200204215037.2258698-1-songliubraving@fb.com
This commit is contained in:
Song Liu 2020-02-04 13:50:37 -08:00 committed by Daniel Borkmann
parent 8fc91b972b
commit fc9e34f8de
1 changed files with 1 additions and 1 deletions
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2
tools/bpf/runqslower/Makefile
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@ -75,7 +75,7 @@ $(OUTPUT)/vmlinux.h: $(VMLINUX_BTF_PATH) | $(OUTPUT) $(BPFTOOL)
fi
$(Q)$(BPFTOOL) btf dump file $(VMLINUX_BTF_PATH) format c > $@
$(BPFOBJ): | $(OUTPUT)
$(BPFOBJ): $(wildcard $(LIBBPF_SRC)/*.[ch] $(LIBBPF_SRC)/Makefile) | $(OUTPUT)
$(Q)$(MAKE) $(submake_extras) -C $(LIBBPF_SRC) \
OUTPUT=$(abspath $(dir $@))/ $(abspath $@)