From 160a5e5a4bbf336b9757dca1c91fc964187176f3 Mon Sep 17 00:00:00 2001
From: Sergey Fedorov <barracuda@macos-powerpc.org>
Date: Sun, 1 Jun 2025 01:37:50 +0800
Subject: [PATCH 5/6] MidiInputStreamCoreMidi.cpp: fix for <10.15

---
 src/device/backend-coremidi/MidiInputStreamCoreMidi.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git src/device/backend-coremidi/MidiInputStreamCoreMidi.cpp src/device/backend-coremidi/MidiInputStreamCoreMidi.cpp
index 877f72c9..75028e89 100644
--- src/device/backend-coremidi/MidiInputStreamCoreMidi.cpp
+++ src/device/backend-coremidi/MidiInputStreamCoreMidi.cpp
@@ -2,6 +2,7 @@
 #if HAS_LIB_COREMIDI
 #include <CoreServices/CoreServices.h>
 #include <CoreMidi/CoreMidi.h>
+#include <AvailabilityMacros.h>
 
 #include "MidiInputStreamCoreMidi.h"
 #include "DeviceContextCoreMidi.h"
@@ -17,9 +18,11 @@ namespace tsunami {
 	auto s = SecCopyErrorMessageString(err, nullptr);
 }*/
 
-[[maybe_unused]] static void MyMIDIReceiveBlock(const MIDIEventList *evtlist, void * __nullable srcConnRefCon) {
-	msg_write("in");
+#if MAC_OS_X_VERSION_MIN_REQUIRED >= 101500
+	[[maybe_unused]] static void MyMIDIReceiveBlock(const MIDIEventList *evtlist, void * __nullable srcConnRefCon) {
+		msg_write("in");
 }
+#endif
 
 void MyMIDIReadProc(const MIDIPacketList *pktlist, void* readProcRefCon, void* srcConnRefCon) {
 	auto stream = reinterpret_cast<MidiInputStreamCoreMidi*>(srcConnRefCon);
-- 
2.48.0