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diff --git a/src/lib/corelib/tools/qbspluginmanager.h b/src/lib/corelib/tools/qbspluginmanager.h
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+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qbs.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QBS_PLUGINS_H
+#define QBS_PLUGINS_H
+
+#include <language/filetags.h>
+
+#include <QtCore/qstring.h>
+
+QT_BEGIN_NAMESPACE
+class QLibrary;
+QT_END_NAMESPACE
+
+namespace qbs {
+namespace Internal {
+class Logger;
+
+typedef void (*QbsPluginLoadFunction)();
+typedef void (*QbsPluginUnloadFunction)();
+
+class QBS_EXPORT QbsPluginManager
+{
+public:
+    ~QbsPluginManager();
+    static QbsPluginManager *instance();
+    void registerStaticPlugin(QbsPluginLoadFunction, QbsPluginUnloadFunction);
+    void loadStaticPlugins();
+    void unloadStaticPlugins();
+    void loadPlugins(const QStringList &paths, const Logger &logger);
+
+protected:
+    QbsPluginManager();
+
+private:
+    struct QbsPlugin {
+        QbsPluginLoadFunction load;
+        QbsPluginUnloadFunction unload;
+        bool loaded;
+    };
+    std::vector<QbsPlugin> m_staticPlugins;
+    std::vector<QLibrary *> m_libs;
+};
+
+} // namespace Internal
+} // namespace qbs
+
+#ifdef QBS_STATIC_LIB
+#define QBS_REGISTER_STATIC_PLUGIN(exportmacro, name, load, unload) \
+    static auto qbs_static_plugin_register##name = [] { \
+        qbs::Internal::QbsPluginManager::instance()->registerStaticPlugin(load, unload); \
+        return true; \
+    }();
+#else
+#define QBS_REGISTER_STATIC_PLUGIN(exportmacro, name, load, unload) \
+    exportmacro void QbsPluginLoad() { load(); } \
+    exportmacro void QbsPluginUnload() { unload(); }
+#endif
+
+#endif