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diff --git a/src/lib/Qbs/buildexecutor.cpp b/src/lib/Qbs/buildexecutor.cpp
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+++ b/src/lib/Qbs/buildexecutor.cpp
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+/**************************************************************************
+**
+** This file is part of the Qt Build Suite
+**
+** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (info@qt.nokia.com)
+**
+**
+** GNU Lesser General Public License Usage
+**
+** 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.
+**
+** 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.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**************************************************************************/
+
+
+#include "buildexecutor.h"
+
+#include <buildgraph/executor.h>
+#include <Qbs/buildproduct.h>
+#include <Qbs/buildproject.h>
+
+namespace Qbs {
+
+BuildExecutor::BuildExecutor()
+    : m_maximumJobs(1),
+      m_runOnceAndForgetModeEnabled(false),
+      m_dryRun(false),
+      m_keepGoing(false),
+      m_state(ExecutorIdle)
+{
+}
+
+
+void BuildExecutor::setMaximumJobs(int numberOfJobs)
+{
+    QWriteLocker locker(&m_lock);
+    m_maximumJobs = numberOfJobs;
+}
+
+int BuildExecutor::maximumJobs() const
+{
+    QReadLocker locker(&m_lock);
+    return m_maximumJobs;
+}
+
+void BuildExecutor::setRunOnceAndForgetModeEnabled(bool enable)
+{
+    QWriteLocker locker(&m_lock);
+    m_runOnceAndForgetModeEnabled = enable;
+}
+
+bool BuildExecutor::runOnceAndForgetModeIsEnabled() const
+{
+    QReadLocker locker(&m_lock);
+    return m_runOnceAndForgetModeEnabled;
+}
+
+void BuildExecutor::setDryRunEnabled(bool enable)
+{
+    QWriteLocker locker(&m_lock);
+    m_dryRun = enable;
+}
+
+bool BuildExecutor::isDryRunEnabled() const
+{
+    QReadLocker locker(&m_lock);
+    return m_dryRun;
+}
+
+void BuildExecutor::setKeepGoingEnabled(bool enable)
+{
+    QWriteLocker locker(&m_lock);
+    m_keepGoing = enable;
+}
+
+bool BuildExecutor::isKeepGoingEnabled() const
+{
+    QReadLocker locker(&m_lock);
+    return m_keepGoing;
+}
+
+void BuildExecutor::executeBuildProject(QFutureInterface<bool> &futureInterface, const BuildProject &buildProject)
+{
+    QList<qbs::BuildProject::Ptr> internalBuildProjects;
+    internalBuildProjects.append(buildProject.internalBuildProject());
+    QStringList changedFiles;   // ### populate
+    QStringList selectedProductNames; // ### populate
+    executeBuildProjects(futureInterface, internalBuildProjects, changedFiles, selectedProductNames);
+}
+
+/*!
+  Starts the build for the given list of projects.
+
+  Args:
+  changedFiles - absolute file names of changed files (optional)
+  */
+void BuildExecutor::executeBuildProjects(QFutureInterface<bool> &futureInterface, const QList<QSharedPointer<qbs::BuildProject> > internalBuildProjects,
+                                         QStringList changedFiles, QStringList selectedProductNames)
+{
+    QEventLoop eventLoop;
+
+    m_state = ExecutorRunning;
+    qbs::Executor executor(maximumJobs());
+    executor.setRunOnceAndForgetModeEnabled(runOnceAndForgetModeIsEnabled());
+    executor.setKeepGoing(isDryRunEnabled());
+    executor.setDryRun(isDryRunEnabled());
+
+    QObject::connect(&executor, SIGNAL(finished()), &eventLoop, SLOT(quit()), Qt::QueuedConnection);
+    QObject::connect(&executor, SIGNAL(error()), &eventLoop, SLOT(quit()), Qt::QueuedConnection);
+
+    executor.build(internalBuildProjects, changedFiles, selectedProductNames, futureInterface);
+
+    eventLoop.exec();
+
+    setState(static_cast<ExecutorState>(executor.state()));
+
+    if (futureInterface.resultCount() == 0)
+        futureInterface.reportResult(true);
+}
+
+BuildExecutor::ExecutorState BuildExecutor::state() const
+{
+    QReadLocker locker(&m_lock);
+    return m_state;
+}
+
+void BuildExecutor::setState(const BuildExecutor::ExecutorState &state)
+{
+    QWriteLocker locker(&m_lock);
+    m_state = state;
+}
+
+} // namespace Qbs