ios: preliminary support for ios

first work in progress support for ios
* separate iosTool using xml communication used for device info and run
* iossim tool to handle the simulator
* debug prepared but not working
* separate gcc toolchain detection fix for simulator

1) add a QT built for ios
2) open a project, for example qtbase/examples/widgets/animation/animatedtiles/animatedtiles.pro
3) build/run...

Change-Id: I7e01604e416338cbe4692dfb34f5d3f31312702d
Reviewed-by: Eike Ziller <eike.ziller@digia.com>

src/plugins/ios/iosprobe.h

@@ -0,0 +1,84 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+#ifndef IOSPROBE_H
+#define IOSPROBE_H
+#include <QSettings>
+#include <QSharedPointer>
+#include <QString>
+#include <QStringList>
+#include <utils/fileutils.h>
+
+namespace Ios {
+
+typedef QSharedPointer<QSettings> QSettingsPtr;
+
+class Platform
+{
+public:
+    enum PlatformKind {
+        BasePlatform = 1 << 0,
+        Cxx11Support = 1 << 1
+    };
+
+    quint32 platformKind;
+    QString name;
+    Utils::FileName developerPath;
+    Utils::FileName platformPath;
+    Utils::FileName sdkPath;
+    Utils::FileName defaultToolchainPath;
+    Utils::FileName compilerPath;
+    QString architecture;
+    QStringList backendFlags;
+    QSettingsPtr platformInfo;
+    QSettingsPtr sdkSettings;
+    QSettingsPtr toolchainInfo;
+};
+
+class IosProbe
+{
+public:
+    static QMap<QString, Platform> detectPlatforms(const QString &devPath);
+    IosProbe()
+    { }
+
+private:
+    static int compareVersions(const QString &v1, const QString &v2);
+    bool addDeveloperPath(const QString &path);
+    void detectDeveloperPaths();
+    void setArch(Platform *platform, const QString &pathToGcc, const QStringList &extraFlags);
+    void setupDefaultToolchains(const QString &devPath, const QString &xCodeName);
+    void detectAll();
+    QMap<QString, Platform> detectedPlatforms();
+private:
+    QMap<QString, Platform> m_platforms;
+    QStringList m_developerPaths;
+};
+} // namespace Ios
+
+#endif // IOSPROBE_H