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diff --git a/tools/configure/environment.h b/tools/configure/environment.h
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the tools applications 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <qstring.h>
+#include <qt_windows.h>
+
+QT_BEGIN_NAMESPACE
+
+
+enum Compiler {
+    CC_UNKNOWN = 0,
+    CC_BORLAND = 0x01,
+    CC_MINGW   = 0x02,
+    CC_INTEL   = 0x03,
+    CC_MSVC4   = 0x40,
+    CC_MSVC5   = 0x50,
+    CC_MSVC6   = 0x60,
+    CC_NET2002 = 0x70,
+    CC_NET2003 = 0x71,
+    CC_NET2005 = 0x80,
+    CC_NET2008 = 0x90
+};
+
+struct CompilerInfo;
+class Environment
+{
+public:
+    static Compiler detectCompiler();
+    static QString detectQMakeSpec();
+    static bool detectExecutable(const QString &executable);
+
+    static int execute(QStringList arguments, const QStringList &additionalEnv, const QStringList &removeEnv);
+    static bool cpdir(const QString &srcDir, const QString &destDir);
+    static bool rmdir(const QString &name);
+
+private:
+    static Compiler detectedCompiler;
+
+    static CompilerInfo *compilerInfo(Compiler compiler);
+    static QString keyPath(const QString &rKey);
+    static QString keyName(const QString &rKey);
+    static QString readRegistryKey(HKEY parentHandle, const QString &rSubkey);
+};
+
+
+QT_END_NAMESPACE