patches/build.rs.patch

diff --git a/build.rs b/build.rs
index 1f2b2bf5..4da24a10 100644
--- a/build.rs
+++ b/build.rs
@@ -7,6 +7,8 @@
 // notice may not be copied, modified, or distributed except
 // according to those terms.
 
+#![feature(str_split_once)]
+
 use std::{env, fs::File, io::BufWriter, path::Path};
 
 mod autogen;