From e8cb748d40a220a3c20b1a0fdda44c693dc89234 Mon Sep 17 00:00:00 2001
From: Demogorgon314 <kwang@streamnative.io>
Date: Tue, 25 Oct 2022 11:41:00 +0800
Subject: [PATCH] Fix macOS build

---
 lib/ProducerImpl.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/ProducerImpl.h b/lib/ProducerImpl.h
index 51bf1bb6..cbf99ec7 100644
--- a/lib/ProducerImpl.h
+++ b/lib/ProducerImpl.h
@@ -23,8 +23,8 @@
 
 #include "Future.h"
 #include "HandlerBase.h"
-// In MSVC, the value type of a STL container cannot be forward declared
-#if defined(_MSC_VER)
+// In MSVC and macOS, the value type of STL container cannot be forward declared
+#if defined(_MSC_VER) || defined(__APPLE__)
 #include "OpSendMsg.h"
 #endif
 #include "PendingFailures.h"