When applying the attached patches against 5.6 (see QTBUG-50358) and rebuilding PySide2 
It chokes on xcb_connection_t, most likely on
xcb.h:104:typedef struct xcb_connection_t xcb_connection_t;  /**< Opaque structure containing all data that  XCB needs to communicate with an X server. */
- relates to
- 
                    PYSIDE-439 QWidget.winId() can't be found -         
- Closed
 
-