Add QOperatingSystemVersion support for macOS Big Sur

Pick-to: 5.15
Pick-to: 5.12

Change-Id: Ide57f675b20b08210f301da5177df45d008423c4
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>

1 files changed, 29 insertions, 0 deletions

diff --git a/src/corelib/kernel/qcore_mac_p.h b/src/corelib/kernel/qcore_mac_p.h
index 306d6ac8bb..3617eb33d4 100644
--- a/src/corelib/kernel/qcore_mac_p.h
+++ b/src/corelib/kernel/qcore_mac_p.h
@@ -53,6 +53,9 @@
 
 #include "private/qglobal_p.h"
 
+#include <QtCore/qoperatingsystemversion.h>
+struct mach_header;
+
 #ifndef __IMAGECAPTURE__
 #  define __IMAGECAPTURE__
 #endif
@@ -415,6 +418,32 @@ private:
 
 // -------------------------------------------------------------------------
 
+#if QT_POINTER_SIZE == 4
+#error "32-bit builds are not supported"
+#endif
+
+class Q_CORE_EXPORT QMacVersion
+{
+public:
+    enum VersionTarget {
+        ApplicationBinary,
+        QtLibraries
+    };
+
+    static QOperatingSystemVersion buildSDK(VersionTarget target = ApplicationBinary);
+    static QOperatingSystemVersion deploymentTarget(VersionTarget target = ApplicationBinary);
+    static QOperatingSystemVersion currentRuntime();
+
+private:
+    QMacVersion() = default;
+    using VersionTuple = QPair<QOperatingSystemVersion, QOperatingSystemVersion>;
+    static VersionTuple versionsForImage(const mach_header *machHeader);
+    static VersionTuple applicationVersion();
+    static VersionTuple libraryVersion();
+};
+
+// -------------------------------------------------------------------------
+
 QT_END_NAMESPACE
 
 #endif // QCORE_MAC_P_H