Allow up to 128MB stack size for build.rs

Author: nox

html5ever/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 
 name = "html5ever"
-version = "0.22.2"
+version = "0.22.3"
 authors = [ "The html5ever Project Developers" ]
 license = "MIT / Apache-2.0"
 repository = "https://github.com/servo/html5ever"

html5ever/build.rs

@@ -13,17 +13,22 @@ extern crate proc_macro2;
 
 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 rules_rs = Path::new(&manifest_dir).join("src/tree_builder/rules.rs");
-    match_token::expand(
-        &rules_rs,
-        &Path::new(&env::var("OUT_DIR").unwrap()).join("rules.rs"));
+    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());
 
-    println!("cargo:rerun-if-changed={}", rules_rs.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();
 }