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-rw-r--r--tools/bpf/runqslower/Makefile4
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/bpf/runqslower/Makefile b/tools/bpf/runqslower/Makefile
index 0c021352beed..39edd68afa8e 100644
--- a/tools/bpf/runqslower/Makefile
+++ b/tools/bpf/runqslower/Makefile
@@ -41,7 +41,7 @@ clean:
$(OUTPUT)/runqslower: $(OUTPUT)/runqslower.o $(BPFOBJ)
$(call msg,BINARY,$@)
- $(Q)$(CC) $(CFLAGS) -lelf -lz $^ -o $@
+ $(Q)$(CC) $(CFLAGS) $^ -lelf -lz -o $@
$(OUTPUT)/runqslower.o: runqslower.h $(OUTPUT)/runqslower.skel.h \
$(OUTPUT)/runqslower.bpf.o
@@ -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 $@)