diff -uNr v5.15.2.ORIG/Qt5/qtbase/src/plugins/platforms/cocoa/qiosurfacegraphicsbuffer.h v5.15.2/Qt5/qtbase/src/plugins/platforms/cocoa/qiosurfacegraphicsbuffer.h
--- v5.15.2.ORIG/Qt5/qtbase/src/plugins/platforms/cocoa/qiosurfacegraphicsbuffer.h	2022-03-01 13:55:05.000000000 +0900
+++ v5.15.2/Qt5/qtbase/src/plugins/platforms/cocoa/qiosurfacegraphicsbuffer.h	2022-03-01 15:27:06.000000000 +0900
@@ -42,6 +42,7 @@
 
 #include <qpa/qplatformgraphicsbuffer.h>
 #include <private/qcore_mac_p.h>
+#include <CoreGraphics/CGColorSpace.h>
 
 QT_BEGIN_NAMESPACE