1 files changed, 33 insertions, 0 deletions
diff --git a/build.rs b/build.rs
new file mode 100644
index 0000000..bfac771
--- /dev/null
+++ b/build.rs
@@ -0,0 +1,33 @@
+// Copyright 2014-2017  The html5ever Project Developers. See the
+// COPYRIGHT file at the top-level directory of this distribution.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use std::env;
+use std::path::Path;
+use std::thread::Builder;
+
+#[path = "macros/match_token.rs"]
+mod match_token;
+
+fn main() {
+    let manifest_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
+
+    let input = Path::new(&manifest_dir).join("src/tree_builder/rules.rs");
+    let output = Path::new(&env::var("OUT_DIR").unwrap()).join("rules.rs");
+    println!("cargo:rerun-if-changed={}", input.display());
+
+    // We have stack overflows on Servo's CI.
+    let handle = Builder::new()
+        .stack_size(128 * 1024 * 1024)
+        .spawn(move || {
+            match_token::expand(&input, &output);
+        })
+        .unwrap();
+
+    handle.join().unwrap();
+}