From 98be556143db65985058bab922f45314ae18f429 Mon Sep 17 00:00:00 2001
From: Sebastien Bourdeauducq <sb@m-labs.hk>
Date: Sat, 25 Feb 2017 12:18:57 +0800
Subject: [PATCH] drtioaux: fix compiler warnings

---
 artiq/firmware/libdrtioaux/lib.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/artiq/firmware/libdrtioaux/lib.rs b/artiq/firmware/libdrtioaux/lib.rs
index 6daa6f802..4cdf0416c 100644
--- a/artiq/firmware/libdrtioaux/lib.rs
+++ b/artiq/firmware/libdrtioaux/lib.rs
@@ -8,9 +8,11 @@ extern crate board;
 extern crate byteorder;
 
 mod proto;
+#[cfg(has_drtio)]
 mod crc32;
 
 use std::io::{self, Read, Write};
+#[cfg(has_drtio)]
 use core::slice;
 use proto::*;