From ec778896198b971d29dcbc82db0dbdf5da621a2c Mon Sep 17 00:00:00 2001
From: EZ4Stephen <ez4stephen@tutamail.com>
Date: Wed, 19 Nov 2025 16:16:39 +0400
Subject: [PATCH] Update audioengine.cc

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

diff --git a/libs/ardour/audioengine.cc b/libs/ardour/audioengine.cc
index 4032da8e21..b49ce536a6 100644
--- a/libs/ardour/audioengine.cc
+++ b/libs/ardour/audioengine.cc
@@ -24,7 +24,9 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
+#endif
 #include <cerrno>
 #include <vector>
 #include <exception>