--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rust/hgcli/build.rs	Tue Mar 31 19:07:36 2020 -0700
@@ -0,0 +1,16 @@
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at https://mozilla.org/MPL/2.0/.
+
+/*! Build script to integrate PyOxidizer. */
+
+fn main() {
+    if let Ok(config_rs) = std::env::var("DEP_PYTHONXY_DEFAULT_PYTHON_CONFIG_RS") {
+        println!(
+            "cargo:rustc-env=PYOXIDIZER_DEFAULT_PYTHON_CONFIG_RS={}",
+            config_rs
+        );
+    } else {
+        panic!("unable to find build artifacts generated by pyembed crate");
+    }
+}