From 76ee719a0d64b82d7150ccd4651080867ec502b5 Mon Sep 17 00:00:00 2001
From: Sebastien Bourdeauducq <sb@m-labs.hk>
Date: Tue, 18 Jul 2023 12:10:26 +0800
Subject: [PATCH] firmware: fix libproto_artiq compilation failure

---
 artiq/firmware/libproto_artiq/lib.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/artiq/firmware/libproto_artiq/lib.rs b/artiq/firmware/libproto_artiq/lib.rs
index 66c04d5e6..e26ddf1e0 100644
--- a/artiq/firmware/libproto_artiq/lib.rs
+++ b/artiq/firmware/libproto_artiq/lib.rs
@@ -1,5 +1,6 @@
 #![no_std]
 #![cfg_attr(feature = "alloc", feature(alloc))]
+#![feature(extern_prelude)]
 
 extern crate failure;
 #[macro_use]