diff --git a/extras/run_directory/run_directory.h b/extras/run_directory/run_directory.h
new file mode 100644
index 00000000000..edb46ddd73a
--- /dev/null
+++ b/extras/run_directory/run_directory.h
@@ -0,0 +1,3 @@
+
+extern int run_directory(const char *dir, const char *suffix, const char *subsystem);
+