1 files changed, 10 insertions, 0 deletions
diff --git a/vendor/parking_lot_core-0.8.6/build.rs b/vendor/parking_lot_core-0.8.6/build.rs
new file mode 100644
index 000000000..d29c769a8
--- /dev/null
+++ b/vendor/parking_lot_core-0.8.6/build.rs
@@ -0,0 +1,10 @@
+// Automatically detect tsan in a way that's compatible with both stable (which
+// doesn't support sanitizers) and nightly (which does). Works because build
+// scripts gets `cfg` info, even if the cfg is unstable.
+fn main() {
+    println!("cargo:rerun-if-changed=build.rs");
+    let santizer_list = std::env::var("CARGO_CFG_SANITIZE").unwrap_or_default();
+    if santizer_list.contains("thread") {
+        println!("cargo:rustc-cfg=tsan_enabled");
+    }
+}