diff --git a/setupext.py b/setupext.py
index 985d699fc..0b40c81be 100644
--- a/setupext.py
+++ b/setupext.py
@@ -55,6 +55,8 @@ def check_for_openmp():
     Robitaille and Curtis McCully.
     """

+    return [], []
+
     # Create a temporary directory
     ccompiler = new_compiler()
     customize_compiler(ccompiler)