From c251a075abcaebd8b2222f9e5e02fe5ae5d81e4b Mon Sep 17 00:00:00 2001
From: Mike Black W9MDB <mdblack98@yahoo.com>
Date: Sun, 30 Jul 2023 09:49:10 -0500
Subject: [PATCH] Fix MAC build

---
 include/hamlib/rig.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/hamlib/rig.h b/include/hamlib/rig.h
index 458ef51d2..88240f535 100644
--- a/include/hamlib/rig.h
+++ b/include/hamlib/rig.h
@@ -137,7 +137,7 @@ typedef struct
     int head;
     int tail;
     int flush;  // flush flag for stop_morse
-#if _PTHREAD_H
+#ifdef _PTHREAD_H
     pthread_mutex_t mutex;
 #else
     int mutex;