Merge remote-tracking branch 'origin/5.7' into dev

Conflicts:
	config_help.txt
	configure
	mkspecs/features/uikit/sdk.prf
	src/corelib/global/qhooks.cpp
	src/corelib/io/qfilesystemwatcher.cpp
	src/corelib/io/qlockfile_unix.cpp
	src/corelib/tools/qalgorithms.h
	src/gui/kernel/qwindowsysteminterface.h
	src/gui/text/qtextdocument_p.cpp
	src/network/access/access.pri
	src/network/access/qnetworkaccessmanager.cpp
	src/network/access/qnetworkreplynsurlconnectionimpl.mm
	src/src.pro
	src/testlib/qtestcase.cpp
	src/widgets/kernel/qwidgetbackingstore_p.h
	src/widgets/styles/qwindowscestyle.cpp
	src/widgets/styles/qwindowsmobilestyle.cpp
	tests/auto/corelib/io/qdiriterator/qdiriterator.pro
	tests/auto/corelib/io/qfileinfo/qfileinfo.pro
	tests/auto/gui/kernel/qwindow/BLACKLIST
	tests/auto/widgets/dialogs/qfilesystemmodel/tst_qfilesystemmodel.cpp
	tools/configure/configureapp.cpp

Change-Id: Ibf7fb9c8cf263a810ade82f821345d0725c57c67

1 files changed, 4 insertions, 25 deletions

diff --git a/src/corelib/kernel/qobject.h b/src/corelib/kernel/qobject.h
index 87d006bdc6..3cec9802dc 100644
--- a/src/corelib/kernel/qobject.h
+++ b/src/corelib/kernel/qobject.h
@@ -302,7 +302,6 @@ public:
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, const QObject *context, Func2 slot,
                     Qt::ConnectionType type = Qt::AutoConnection)
     {
-#if defined (Q_COMPILER_VARIADIC_TEMPLATES)
         typedef QtPrivate::FunctionPointer<Func1> SignalType;
         const int FunctorArgumentCount = QtPrivate::ComputeFunctorArgumentCount<Func2 , typename SignalType::Arguments>::Value;
 
@@ -310,28 +309,6 @@ public:
                           "Signal and slot arguments are not compatible.");
         const int SlotArgumentCount = (FunctorArgumentCount >= 0) ? FunctorArgumentCount : 0;
         typedef typename QtPrivate::FunctorReturnType<Func2, typename QtPrivate::List_Left<typename SignalType::Arguments, SlotArgumentCount>::Value>::Value SlotReturnType;
-#else
-      // Without variadic template, we don't detect the best overload of operator(). We just
-      // assume there is only one simple operator() and connect to &Func2::operator()
-
-      /* If you get an error such as:
-             couldn't deduce template parameter 'Func2Operator'
-        or
-             cannot resolve address of overloaded function
-        It means the functor does not have a single operator().
-        Functors with overloaded or templated operator() are only supported if the compiler supports
-        C++11 variadic templates
-      */
-        typedef QtPrivate::FunctionPointer<decltype(&Func2::operator())> SlotType ;
-        typedef QtPrivate::FunctionPointer<Func1> SignalType;
-        typedef typename SlotType::ReturnType SlotReturnType;
-        const int SlotArgumentCount = SlotType::ArgumentCount;
-
-        Q_STATIC_ASSERT_X(int(SignalType::ArgumentCount) >= SlotArgumentCount,
-                          "The slot requires more arguments than the signal provides.");
-        Q_STATIC_ASSERT_X((QtPrivate::CheckCompatibleArguments<typename SignalType::Arguments, typename SlotType::Arguments>::value),
-                          "Signal and slot arguments are not compatible.");
-#endif
 
         Q_STATIC_ASSERT_X((QtPrivate::AreArgumentsCompatible<SlotReturnType, typename SignalType::ReturnType>::value),
                           "Return type of the slot is not compatible with the return type of the signal.");
@@ -446,8 +423,7 @@ protected:
     QScopedPointer<QObjectData> d_ptr;
 
     static const QMetaObject staticQtMetaObject;
-    friend inline const QMetaObject *qt_getQtMetaObject() Q_DECL_NOEXCEPT
-    { return &staticQtMetaObject; }
+    friend inline const QMetaObject *qt_getQtMetaObject() Q_DECL_NOEXCEPT;
 
     friend struct QMetaObject;
     friend struct QMetaObjectPrivate;
@@ -478,6 +454,9 @@ inline QMetaObject::Connection QObject::connect(const QObject *asender, const ch
                                             const char *amember, Qt::ConnectionType atype) const
 { return connect(asender, asignal, this, amember, atype); }
 
+inline const QMetaObject *qt_getQtMetaObject() Q_DECL_NOEXCEPT
+{ return &QObject::staticQtMetaObject; }
+
 #ifndef QT_NO_USERDATA
 class Q_CORE_EXPORT QObjectUserData {
 public: