Add Qt libs and headers

paho-mqtt3as-proxy/Qt/include/QtCore/qtversionchecks.h

@@ -0,0 +1,83 @@
+// Copyright (C) 2022 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
+
+#ifndef QTVERSIONCHECKS_H
+#define QTVERSIONCHECKS_H
+
+#if 0
+#pragma qt_class(QtVersionChecks)
+#pragma qt_sync_stop_processing
+#endif
+
+#ifdef QT_BOOTSTRAPPED
+// qconfig-bootstrapped.h is not supposed to be a part of the synced header files. So we find it by
+// the include path specified for Bootstrap library in the source tree instead of the build tree as
+// it's done for regular header files.
+#include "qconfig-bootstrapped.h"
+#else
+#include <QtCore/qconfig.h>
+#include <QtCore/qtcore-config.h>
+#endif
+
+/*
+   QT_VERSION is (major << 16) | (minor << 8) | patch.
+*/
+#define QT_VERSION      QT_VERSION_CHECK(QT_VERSION_MAJOR, QT_VERSION_MINOR, QT_VERSION_PATCH)
+/*
+   can be used like #if (QT_VERSION >= QT_VERSION_CHECK(6, 4, 0))
+*/
+#define QT_VERSION_CHECK(major, minor, patch) ((major<<16)|(minor<<8)|(patch))
+
+/*
+   Helper macros to make some simple code active in Qt 6 or Qt 7 only,
+   like:
+     struct QT6_ONLY(Q_CORE_EXPORT) QTrivialClass
+     {
+         void QT7_ONLY(Q_CORE_EXPORT) void operate();
+     }
+*/
+#if QT_VERSION_MAJOR == 7
+#  define QT7_ONLY(...)         __VA_ARGS__
+#  define QT6_ONLY(...)
+#elif QT_VERSION_MAJOR == 6
+#  define QT7_ONLY(...)
+#  define QT6_ONLY(...)         __VA_ARGS__
+#else
+#  error Qt major version not 6 or 7
+#endif
+
+/* Macro and tag type to help overload resolution on functions
+   that are, e.g., QT_REMOVED_SINCE'ed. Example use:
+
+   #if QT_CORE_REMOVED_SINCE(6, 4)
+   int size() const;
+   #endif
+   qsizetype size(QT6_DECL_NEW_OVERLOAD) const;
+
+   in the normal cpp file:
+
+   qsizetype size(QT6_IMPL_NEW_OVERLOAD) const {
+      ~~~
+   }
+
+   in removed_api.cpp:
+
+   int size() const { return int(size(QT6_CALL_NEW_OVERLOAD)); }
+*/
+#ifdef Q_QDOC
+# define QT6_DECL_NEW_OVERLOAD
+# define QT6_DECL_NEW_OVERLOAD_TAIL
+# define QT6_IMPL_NEW_OVERLOAD
+# define QT6_IMPL_NEW_OVERLOAD_TAIL
+# define QT6_CALL_NEW_OVERLOAD
+# define QT6_CALL_NEW_OVERLOAD_TAIL
+#else
+# define QT6_DECL_NEW_OVERLOAD QT6_ONLY(Qt::Disambiguated_t = Qt::Disambiguated)
+# define QT6_DECL_NEW_OVERLOAD_TAIL QT6_ONLY(, QT6_DECL_NEW_OVERLOAD)
+# define QT6_IMPL_NEW_OVERLOAD QT6_ONLY(Qt::Disambiguated_t)
+# define QT6_IMPL_NEW_OVERLOAD_TAIL QT6_ONLY(, QT6_IMPL_NEW_OVERLOAD)
+# define QT6_CALL_NEW_OVERLOAD QT6_ONLY(Qt::Disambiguated)
+# define QT6_CALL_NEW_OVERLOAD_TAIL QT6_ONLY(, QT6_CALL_NEW_OVERLOAD)
+#endif
+
+#endif /* QTVERSIONCHECKS_H */