v4.19.13 snapshot.
diff --git a/tools/perf/arch/arm/Build b/tools/perf/arch/arm/Build
new file mode 100644
index 0000000..41bf61d
--- /dev/null
+++ b/tools/perf/arch/arm/Build
@@ -0,0 +1,2 @@
+libperf-y += util/
+libperf-$(CONFIG_DWARF_UNWIND) += tests/