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diff --git a/tools/shared/symbian/epocroot.h b/tools/shared/symbian/epocroot.h
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+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the qmake application of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef SYMBIAN_EPOCROOT_H
+#define SYMBIAN_EPOCROOT_H
+
+#include <QtCore/qstring.h>
+
+/**
+ * Determine the epoc root for the currently active SDK.
+ *
+ * The algorithm used is as follows:
+ * 1. If environment variable EPOCROOT is set and points to an existent
+ *    directory, this is returned.
+ * 2. The location of devices.xml is specified by a registry key.  If this
+ *    file exists, it is parsed.
+ * 3. If the EPOCDEVICE environment variable is set and a corresponding
+ *    entry is found in devices.xml, and its epocroot value points to an
+ *    existent directory, it is returned.
+ * 4. If a device element marked as default is found in devices.xml and its
+ *    epocroot value points to an existent directory, this is returned.
+ * 5. An empty string is returned.
+ *
+ * Any return value other than the empty string therefore is guaranteed to
+ * point to an existent directory.
+ */
+QString epocRoot();
+
+#endif // EPOCROOT_H