v4.19.13 snapshot.
diff --git a/tools/perf/arch/common.h b/tools/perf/arch/common.h
new file mode 100644
index 0000000..2167001
--- /dev/null
+++ b/tools/perf/arch/common.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef ARCH_PERF_COMMON_H
+#define ARCH_PERF_COMMON_H
+
+#include "../util/env.h"
+
+int perf_env__lookup_objdump(struct perf_env *env, const char **path);
+
+#endif /* ARCH_PERF_COMMON_H */