From c77f2e55c987283276920ce39abd905b5880dd1f Mon Sep 17 00:00:00 2001
From: gabime <gmelman1@gmail.com>
Date: Sat, 18 Jan 2025 13:03:26 +0200
Subject: [PATCH] Make mutex member mutable

---
 include/spdlog/sinks/base_sink.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/spdlog/sinks/base_sink.h b/include/spdlog/sinks/base_sink.h
index 04cc6883..5b60dcc9 100644
--- a/include/spdlog/sinks/base_sink.h
+++ b/include/spdlog/sinks/base_sink.h
@@ -36,7 +36,7 @@ public:
 protected:
     // sink formatter
     std::unique_ptr<spdlog::formatter> formatter_;
-    Mutex mutex_;
+    mutable Mutex mutex_;
 
     virtual void sink_it_(const details::log_msg &msg) = 0;
     virtual void flush_() = 0;