qt59-qtbase: fix darwin build

pkgs/development/libraries/qt-5/5.9/default.nix

@@ -37,7 +37,7 @@ let
   srcs = import ./srcs.nix { inherit fetchurl; inherit mirror; };
 
   patches = {
-    qtbase = [ ./qtbase.patch ];
+    qtbase = [ ./qtbase.patch ] ++ optional stdenv.isDarwin ./qtbase-darwin.patch;
     qtdeclarative = [ ./qtdeclarative.patch ];
     qtscript = [ ./qtscript.patch ];
     qtserialport = [ ./qtserialport.patch ];

pkgs/development/libraries/qt-5/5.9/qtbase-darwin.patch

@@ -0,0 +1,35 @@
+diff --git a/src/plugins/bearer/corewlan/qcorewlanengine.mm b/src/plugins/bearer/corewlan/qcorewlanengine.mm
+index 341d3bc..3368234 100644
+--- a/src/plugins/bearer/corewlan/qcorewlanengine.mm
++++ b/src/plugins/bearer/corewlan/qcorewlanengine.mm
+@@ -287,7 +287,7 @@ void QScanThread::getUserConfigurations()
+     QMacAutoReleasePool pool;
+     userProfiles.clear();
+ 
+-    NSArray<NSString *> *wifiInterfaces = [CWWiFiClient interfaceNames];
++    NSArray *wifiInterfaces = [CWWiFiClient interfaceNames];
+     for (NSString *ifName in wifiInterfaces) {
+ 
+         CWInterface *wifiInterface = [[CWWiFiClient sharedWiFiClient] interfaceWithName:ifName];
+@@ -602,7 +602,7 @@ void QCoreWlanEngine::doRequestUpdate()
+ 
+     QMacAutoReleasePool pool;
+ 
+-    NSArray<NSString *> *wifiInterfaces = [CWWiFiClient interfaceNames];
++    NSArray *wifiInterfaces = [CWWiFiClient interfaceNames];
+     for (NSString *ifName in wifiInterfaces) {
+             scanThread->interfaceName = QString::fromNSString(ifName);
+             scanThread->start();
+diff --git a/src/plugins/platforms/cocoa/qcocoawindow.mm b/src/plugins/platforms/cocoa/qcocoawindow.mm
+index 5cd4beb..84919e6 100644
+--- a/src/plugins/platforms/cocoa/qcocoawindow.mm
++++ b/src/plugins/platforms/cocoa/qcocoawindow.mm
+@@ -320,7 +320,7 @@ static void qt_closePopups()
+ + (void)applicationActivationChanged:(NSNotification*)notification
+ {
+     const id sender = self;
+-    NSEnumerator<NSWindow*> *windowEnumerator = nullptr;
++    NSEnumerator *windowEnumerator = nullptr;
+     NSApplication *application = [NSApplication sharedApplication];
+ 
+ #if QT_MACOS_PLATFORM_SDK_EQUAL_OR_ABOVE(__MAC_10_12)