Remove compatibility code paths for macOS < 10.10 and iOS < 8.0

Change-Id: I11bec0efc2b4d86adf64a58990260fee70f050ac
Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@qt.io>

1 files changed, 4 insertions, 49 deletions

diff --git a/src/corelib/global/qoperatingsystemversion_darwin.mm b/src/corelib/global/qoperatingsystemversion_darwin.mm
index 3dd007cbb3..d8b927ff5d 100644
--- a/src/corelib/global/qoperatingsystemversion_darwin.mm
+++ b/src/corelib/global/qoperatingsystemversion_darwin.mm
@@ -40,61 +40,16 @@
 #include "qoperatingsystemversion_p.h"
 #import <Foundation/Foundation.h>
 
-#ifdef Q_OS_IOS
-#import <UIKit/UIKit.h>
-#endif
-
 QT_BEGIN_NAMESPACE
 
-typedef qint16 (*GestaltFunction)(quint32 selector, qint32 *response);
-
 QOperatingSystemVersion QOperatingSystemVersion::current()
 {
+    NSOperatingSystemVersion osv = NSProcessInfo.processInfo.operatingSystemVersion;
     QOperatingSystemVersion v;
     v.m_os = currentType();
-    v.m_major = -1;
-    v.m_minor = -1;
-    v.m_micro = -1;
-#if QT_MACOS_IOS_PLATFORM_SDK_EQUAL_OR_ABOVE(__MAC_10_10, __IPHONE_8_0) || defined(Q_OS_TVOS) || defined(Q_OS_WATCHOS)
-    if ([NSProcessInfo instancesRespondToSelector:@selector(operatingSystemVersion)]) {
-        NSOperatingSystemVersion osv = NSProcessInfo.processInfo.operatingSystemVersion;
-        v.m_major = osv.majorVersion;
-        v.m_minor = osv.minorVersion;
-        v.m_micro = osv.patchVersion;
-        return v;
-    }
-#endif
-    // Use temporary variables so we can return 0.0.0 (unknown version)
-    // in case of an error partway through determining the OS version
-    qint32 major = 0, minor = 0, patch = 0;
-#if QT_MACOS_IOS_DEPLOYMENT_TARGET_BELOW(__MAC_10_10, __IPHONE_8_0)
-#if defined(Q_OS_IOS)
-    @autoreleasepool {
-        NSArray *parts = [UIDevice.currentDevice.systemVersion componentsSeparatedByString:@"."];
-        major = parts.count > 0 ? [[parts objectAtIndex:0] intValue] : 0;
-        minor = parts.count > 1 ? [[parts objectAtIndex:1] intValue] : 0;
-        patch = parts.count > 2 ? [[parts objectAtIndex:2] intValue] : 0;
-    }
-#elif defined(Q_OS_MACOS)
-    static GestaltFunction pGestalt = 0;
-    if (!pGestalt) {
-        CFBundleRef b = CFBundleGetBundleWithIdentifier(CFSTR("com.apple.CoreServices"));
-        pGestalt = reinterpret_cast<GestaltFunction>(CFBundleGetFunctionPointerForName(b,
-                                                     CFSTR("Gestalt")));
-    }
-    if (!pGestalt)
-        return v;
-    if (pGestalt('sys1', &major) != 0)
-        return v;
-    if (pGestalt('sys2', &minor) != 0)
-        return v;
-    if (pGestalt('sys3', &patch) != 0)
-        return v;
-#endif
-#endif
-    v.m_major = major;
-    v.m_minor = minor;
-    v.m_micro = patch;
+    v.m_major = osv.majorVersion;
+    v.m_minor = osv.minorVersion;
+    v.m_micro = osv.patchVersion;
     return v;
 }