1 files changed, 9 insertions, 1 deletions
diff --git a/src/corelib/thread/qfutureinterface.h b/src/corelib/thread/qfutureinterface.h
index ecb0f5b7ea..180a59a94e 100644
--- a/src/corelib/thread/qfutureinterface.h
+++ b/src/corelib/thread/qfutureinterface.h
@@ -21,6 +21,7 @@ QT_BEGIN_NAMESPACE
 
 template <typename T> class QFuture;
 class QThreadPool;
+class QFutureInterfaceBase;
 class QFutureInterfaceBasePrivate;
 class QFutureWatcherBase;
 class QFutureWatcherBasePrivate;
@@ -38,6 +39,10 @@ class CanceledHandler;
 template<class Function, class ResultType>
 class FailureHandler;
 #endif
+
+void Q_CORE_EXPORT watchContinuationImpl(const QObject *context,
+                                         QtPrivate::QSlotObjectBase *slotObj,
+                                         QFutureInterfaceBase &fi);
 }
 
 class Q_CORE_EXPORT QFutureInterfaceBase
@@ -176,6 +181,9 @@ private:
     friend class QtPrivate::FailureHandler;
 #endif
 
+    friend Q_CORE_EXPORT void QtPrivate::watchContinuationImpl(
+            const QObject *context, QtPrivate::QSlotObjectBase *slotObj, QFutureInterfaceBase &fi);
+
     template<class T>
     friend class QPromise;
 
@@ -461,7 +469,7 @@ template <>
 class QFutureInterface<void> : public QFutureInterfaceBase
 {
 public:
-    explicit QFutureInterface<void>(State initialState = NoState)
+    explicit QFutureInterface(State initialState = NoState)
         : QFutureInterfaceBase(initialState)
     { }