--- a/rust/hg-cpython/src/lib.rs	Sat Oct 05 10:21:34 2019 -0400
+++ b/rust/hg-cpython/src/lib.rs	Mon Oct 14 16:15:19 2019 +0900
@@ -72,3 +72,10 @@
     )?;
     Ok(())
 });
+
+#[cfg(not(any(feature = "python27-bin", feature = "python3-bin")))]
+#[test]
+#[ignore]
+fn libpython_must_be_linked_to_run_tests() {
+    // stub function to tell that some tests wouldn't run
+}