From 43624e8e7f44e082658db95dbff795c70af96b12 Mon Sep 17 00:00:00 2001
From: Oliver Schneider <github333195615777966@oli-obk.de>
Date: Fri, 5 Feb 2016 12:30:28 +0100
Subject: [PATCH] add a build.rs file to the stable-only syntex example

---
 README.md | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/README.md b/README.md
index 1c1835de..5d20923f 100644
--- a/README.md
+++ b/README.md
@@ -129,6 +129,28 @@ fn main() {
 }
 ```
 
+`build.rs`
+
+```rust
+extern crate syntex;
+extern crate serde_codegen;
+
+use std::env;
+use std::path::Path;
+
+pub fn main() {
+    let out_dir = env::var_os("OUT_DIR").unwrap();
+
+    let src = Path::new("src/main.rs.in");
+    let dst = Path::new(&out_dir).join("main.rs");
+
+    let mut registry = syntex::Registry::new();
+
+    serde_codegen::register(&mut registry);
+    registry.expand("", &src, &dst).unwrap();
+}
+```
+
 This also produces:
 
 ```