3 files changed, 32 insertions, 5 deletions
diff --git a/src/corelib/concurrent/qfuturewatcher.cpp b/src/corelib/concurrent/qfuturewatcher.cpp
index ea12bc9..728714a 100644
--- a/src/corelib/concurrent/qfuturewatcher.cpp
+++ b/src/corelib/concurrent/qfuturewatcher.cpp
@@ -589,4 +589,16 @@ void QFutureWatcherBasePrivate::sendCallOutEvent(QFutureCallOutEvent *event)
 
 QT_END_NAMESPACE
 
-#endif // QT_NO_CONCURRENT
+#else
+
+// On Symbian winscw target QT_NO_QFUTURE and QT_NO_CONCURRENT are both defined.
+// However moc will be run without having them set, so provide a dummy stub at
+// least for the slots to prevent linker errors.
+
+void QFutureWatcherBase::cancel() { }
+void QFutureWatcherBase::setPaused(bool) { }
+void QFutureWatcherBase::pause() { }
+void QFutureWatcherBase::resume() { }
+void QFutureWatcherBase::togglePaused() { }
+
+#endif // QT_NO_QFUTURE
diff --git a/src/corelib/concurrent/qfuturewatcher.h b/src/corelib/concurrent/qfuturewatcher.h
index 5fe2007..26e549d 100644
--- a/src/corelib/concurrent/qfuturewatcher.h
+++ b/src/corelib/concurrent/qfuturewatcher.h
@@ -44,8 +44,6 @@
 
 #include <QtCore/qfuture.h>
 
-#ifndef QT_NO_QFUTURE
-
 #include <QtCore/qobject.h>
 
 QT_BEGIN_HEADER
@@ -56,6 +54,11 @@ QT_MODULE(Core)
 class QEvent;
 
 class QFutureWatcherBasePrivate;
+
+#ifdef QT_NO_QFUTURE
+class QFutureInterfaceBase;
+#endif
+
 class Q_CORE_EXPORT QFutureWatcherBase : public QObject
 {
     Q_OBJECT
@@ -114,6 +117,8 @@ private:
     virtual QFutureInterfaceBase &futureInterface() = 0;
 };
 
+#ifndef QT_NO_QFUTURE
+
 template <typename T>
 class QFutureWatcher : public QFutureWatcherBase
 {
@@ -214,9 +219,9 @@ Q_INLINE_TEMPLATE void QFutureWatcher<void>::setFuture(const QFuture<void> &_fut
     connectOutputInterface();
 }
 
+#endif // QT_NO_QFUTURE
+
 QT_END_NAMESPACE
 QT_END_HEADER
 
-#endif // QT_NO_CONCURRENT
-
 #endif // QFUTUREWATCHER_H
diff --git a/src/corelib/global/qglobal.h b/src/corelib/global/qglobal.h
index 49f5f98..3e1f011 100644
--- a/src/corelib/global/qglobal.h
+++ b/src/corelib/global/qglobal.h
@@ -2545,6 +2545,16 @@ QT3_SUPPORT Q_CORE_EXPORT const char *qInstallPathSysconf();
 //Symbian does not support data imports from a DLL
 #define Q_NO_DATA_RELOCATION
 
+// Winscw compiler is unable to compile QtConcurrent.
+#ifdef Q_CC_NOKIAX86
+#ifndef QT_NO_CONCURRENT
+#define QT_NO_CONCURRENT
+#endif
+#ifndef QT_NO_QFUTURE
+#define QT_NO_QFUTURE
+#endif
+#endif
+
 QT_END_NAMESPACE
 // forward declare std::exception
 #ifdef __cplusplus