1 files changed, 20 insertions, 0 deletions
diff --git a/third_party/rust/regex-automata/src/macros.rs b/third_party/rust/regex-automata/src/macros.rs
new file mode 100644
index 0000000000..31b4ca3816
--- /dev/null
+++ b/third_party/rust/regex-automata/src/macros.rs
@@ -0,0 +1,20 @@
+// Some feature combinations result in some of these macros never being used.
+// Which is fine. Just squash the warnings.
+#![allow(unused_macros)]
+
+macro_rules! log {
+    ($($tt:tt)*) => {
+        #[cfg(feature = "logging")]
+        {
+            $($tt)*
+        }
+    }
+}
+
+macro_rules! debug {
+    ($($tt:tt)*) => { log!(log::debug!($($tt)*)) }
+}
+
+macro_rules! trace {
+    ($($tt:tt)*) => { log!(log::trace!($($tt)*)) }
+}