1 files changed, 13 insertions, 0 deletions
diff --git a/third_party/rust/crossbeam-epoch/build-common.rs b/third_party/rust/crossbeam-epoch/build-common.rs
new file mode 100644
index 0000000000..e91bb4d471
--- /dev/null
+++ b/third_party/rust/crossbeam-epoch/build-common.rs
@@ -0,0 +1,13 @@
+// The target triplets have the form of 'arch-vendor-system'.
+//
+// When building for Linux (e.g. the 'system' part is
+// 'linux-something'), replace the vendor with 'unknown'
+// so that mapping to rust standard targets happens correctly.
+fn convert_custom_linux_target(target: String) -> String {
+    let mut parts: Vec<&str> = target.split('-').collect();
+    let system = parts.get(2);
+    if system == Some(&"linux") {
+        parts[1] = "unknown";
+    };
+    parts.join("-")
+}