From 3a6eafa8c65ba8155195e6def4a78bc6e864c5bb Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@scylladb.com>
Date: Mon, 28 Nov 2022 21:55:27 +0200
Subject: [PATCH] utils: observer: qualify seastar::noncopyable_function

gcc checks name resolution eagerly, and can't find noncopyable_function
as this header doesn't include "seastarx.hh". Qualify the name
so it finds it.
---
 utils/observable.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/utils/observable.hh b/utils/observable.hh
index 1d0f354f40..35a6edf752 100644
--- a/utils/observable.hh
+++ b/utils/observable.hh
@@ -143,7 +143,7 @@ using observer = typename observable<Args...>::observer;
 
 template <typename... Args>
 inline observer<Args...> dummy_observer() {
-    return observer<Args...>(nullptr, noncopyable_function<void(Args...)>());
+    return observer<Args...>(nullptr, seastar::noncopyable_function<void(Args...)>());
 }
 
 }