From 871910a2c6e8624d4ebaa08ce6201b661f8c25f3 Mon Sep 17 00:00:00 2001
From: Taiki Endo <te316e89@gmail.com>
Date: Sun, 24 Feb 2019 21:59:44 +0900
Subject: Use ? in some macros

---
 src/bootstrap/builder.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/bootstrap/builder.rs')

diff --git a/src/bootstrap/builder.rs b/src/bootstrap/builder.rs
index 9d037dad9cc..c94d6cb4c1f 100644
--- a/src/bootstrap/builder.rs
+++ b/src/bootstrap/builder.rs
@@ -326,7 +326,7 @@ pub enum Kind {
 impl<'a> Builder<'a> {
     fn get_step_descriptions(kind: Kind) -> Vec<StepDescription> {
         macro_rules! describe {
-            ($($rule:ty),+ $(,)*) => {{
+            ($($rule:ty),+ $(,)?) => {{
                 vec![$(StepDescription::from::<$rule>()),+]
             }};
         }
-- 
cgit 1.4.1-3-g733a5