diff --git a/cpp_thread_test/test_dgemm_f90.f b/cpp_thread_test/test_dgemm_f90.f
new file mode 100644
index 000000000..8b1378917
--- /dev/null
+++ b/cpp_thread_test/test_dgemm_f90.f
@@ -0,0 +1 @@
+