Fix developer build with -no-feature-cursor

Change-Id: I3ec22f212ad68baa788fcea2e7340c2f53bfc8a1
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>

src/plugins/platforms/xcb/qxcbcursor.cpp

@@ -74,6 +74,8 @@ static PtrXcursorLibraryGetDefaultSize ptrXcursorLibraryGetDefaultSize = 0;
 static xcb_font_t cursorFont = 0;
 static int cursorCount = 0;
 
+#ifndef QT_NO_CURSOR
+
 static uint8_t cur_blank_bits[] = {
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -276,8 +278,6 @@ static const char * const cursorNames[] = {
     "link"
 };
 
-#ifndef QT_NO_CURSOR
-
 QXcbCursorCacheKey::QXcbCursorCacheKey(const QCursor &c)
     : shape(c.shape()), bitmapCacheKey(0), maskCacheKey(0)
 {

src/widgets/graphicsview/qgraphicswidget_p.cpp

@@ -722,6 +722,9 @@ void QGraphicsWidgetPrivate::windowFrameHoverMoveEvent(QGraphicsSceneHoverEvent
 #ifndef QT_NO_CURSOR
     if (needsSetCursorCall)
         q->setCursor(cursorShape);
+#else
+    Q_UNUSED(needsSetCursorCall);
+    Q_UNUSED(cursorShape);
 #endif
     // update buttons if we hover over them
     windowData->hoveredSubControl = q->style()->hitTestComplexControl(QStyle::CC_TitleBar, &bar, pos.toPoint(), 0);

src/widgets/kernel/qapplication.cpp

@@ -2790,6 +2790,8 @@ void QApplicationPrivate::sendSyntheticEnterLeave(QWidget *widget)
     // Send enter/leave events followed by a mouse move on the entered widget.
     QMouseEvent e(QEvent::MouseMove, pos, windowPos, globalPos, Qt::NoButton, Qt::NoButton, Qt::NoModifier);
     sendMouseEvent(widgetUnderCursor, &e, widgetUnderCursor, tlw, &qt_button_down, qt_last_mouse_receiver);
+#else // !QT_NO_CURSOR
+    Q_UNUSED(widget);
 #endif // QT_NO_CURSOR
 }