From cc30644d84862ec8cd519ae73c5bf1204d506e89 Mon Sep 17 00:00:00 2001
From: EZ4Stephen <ez4stephen@tutamail.com>
Date: Wed, 19 Nov 2025 16:41:02 +0400
Subject: [PATCH] Update midi_clock_slave.cc

---
 libs/ardour/midi_clock_slave.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libs/ardour/midi_clock_slave.cc b/libs/ardour/midi_clock_slave.cc
index b2ead5452f..289909bb53 100644
--- a/libs/ardour/midi_clock_slave.cc
+++ b/libs/ardour/midi_clock_slave.cc
@@ -25,7 +25,9 @@
 #include <cmath>
 #include <errno.h>
 #include <sys/types.h>
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
+#endif
 #include "pbd/error.h"
 #include "pbd/failed_constructor.h"
 #include "pbd/pthread_utils.h"