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diff --git a/languages/cpp/includepathresolver.h b/languages/cpp/includepathresolver.h
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+++ b/languages/cpp/includepathresolver.h
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+/***************************************************************************
+   copyright            : (C) 2007 by David Nolden
+   email                : david.nolden.kdevelop@art-master.de
+***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+#ifndef INCLUDEPATHRESOLVER_H
+#define INCLUDEPATHRESOLVER_H
+#include <qstring.h> /* defines QString */
+#include <qmap.h>
+
+namespace CppTools {
+  class FileModificationTimeWrapper;
+  
+  struct PathResolutionResult {
+    PathResolutionResult( bool _success = false, const QString& _errorMessage = QString(), const QString& _longErrorMessage = QString() ) : success( _success ), errorMessage( _errorMessage ), longErrorMessage( _longErrorMessage )  {
+    }
+    bool success;
+    QString errorMessage;
+    QString longErrorMessage;
+    
+    QStringList path;
+
+    operator bool() const {
+      return success;
+    };
+  };
+
+  class SourcePathInformation;
+
+  ///One resolution-try can issue up to 4 make-calls in worst case
+  class IncludePathResolver {
+    public:
+      ///Whether the Qt event-loop should be continued(using BlockingKProcess). This crashes if enabled in a non-foreground thread.
+      IncludePathResolver( bool continueEventLoop = false );
+      ///Same as below, but uses the directory of the file as working-directory. The argument must be absolute.
+      PathResolutionResult resolveIncludePath( const QString& file );
+      ///The include-path is only computed once for a whole directory, then it is cached using the modification-time of the Makefile.
+      PathResolutionResult resolveIncludePath( const QString& file, const QString& workingDirectory );
+      ///source and build must be absolute paths
+      void setOutOfSourceBuildSystem( const QString& source, const QString& build );
+    private:
+      bool m_isResolving;
+      bool m_continueEventLoop;
+      struct CacheEntry {
+        CacheEntry() : failed(false) {
+        }
+        QDateTime modificationTime;
+        QStringList path;
+        QString errorMessage, longErrorMessage;
+        bool failed;
+        QMap<QString,bool> failedFiles;
+        QDateTime failTime;
+      };
+      typedef QMap<QString, CacheEntry> Cache;
+      Cache m_cache;
+
+      ///Executes the command, either using popen or BlockingKProcess
+      PathResolutionResult getFullOutput( const QString& command, const QString& workingDirectory, QString& output ) const;
+      bool executeCommandPopen ( const QString& command, const QString& workingDirectory, QString& result ) const;
+      ///file should be the name of the target, without extension(because that may be different)
+      PathResolutionResult resolveIncludePathInternal( const QString& file, const QString& workingDirectory, const QString& makeParameters, const SourcePathInformation& source );
+      bool m_outOfSource;
+      QString m_source;
+      QString m_build;
+  };
+};
+
+#endif