Revision control
++ // Copyright (C) 2017 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++
++ #include <QtCore/QGlobalStatic>
++ #include <QtCore/QLoggingCategory>
++
++ #include "dummy_helper_p.h"
++
++ QT_BEGIN_NAMESPACE
++
++ Q_DECLARE_LOGGING_CATEGORY(QT_BT)
++
++ Q_GLOBAL_STATIC_WITH_ARGS(bool, dummyWarningPrinted, (false))
++
++ void printDummyWarning()
++ {
++ if (!*dummyWarningPrinted()) {
++ qCWarning(QT_BT) << "Dummy backend running. Qt Bluetooth module is non-functional.";
++ *dummyWarningPrinted() = true;
++ }
++ }
++
++ QT_END_NAMESPACE