qtlite: Fix build with -no-feature-commandlineparser

Change-Id: Ie7b7b119073691c0d3b6358f876298fc86cfe9e9
Reviewed-by: Tasuku Suzuki <tasuku.suzuki@qbc.io>
Reviewed-by: Timo Aarnipuro <timo.aarnipuro@qt.io>
Reviewed-by: Kari Oikarinen <kari.oikarinen@qt.io>

src/corelib/kernel/qcoreapplication.cpp

@@ -227,12 +227,14 @@ bool QCoreApplicationPrivate::checkInstance(const char *function)
     return b;
 }
 
+#if QT_CONFIG(commandlineparser)
 void QCoreApplicationPrivate::addQtOptions(QList<QCommandLineOption> *options)
 {
     options->append(QCommandLineOption(QStringLiteral("qmljsdebugger"),
                 QStringLiteral("Activates the QML/JS debugger with a specified port. The value must be of format port:1234[,block]. \"block\" makes the application wait for a connection."),
                 QStringLiteral("value")));
 }
+#endif
 
 void QCoreApplicationPrivate::processCommandLineArguments()
 {

src/corelib/kernel/qcoreapplication_p.h

@@ -52,7 +52,9 @@
 //
 
 #include "QtCore/qcoreapplication.h"
+#if QT_CONFIG(commandlineparser)
 #include "QtCore/qcommandlineoption.h"
+#endif
 #include "QtCore/qtranslator.h"
 #if QT_CONFIG(settings)
 #include "QtCore/qsettings.h"
@@ -105,7 +107,9 @@ public:
 
     static bool checkInstance(const char *method);
 
+#if QT_CONFIG(commandlineparser)
     virtual void addQtOptions(QList<QCommandLineOption> *options);
+#endif
 
 #ifndef QT_NO_QOBJECT
     bool sendThroughApplicationEventFilters(QObject *, QEvent *);

src/gui/kernel/qguiapplication.cpp

@@ -1306,6 +1306,7 @@ static void init_plugins(const QList<QByteArray> &pluginList)
     }
 }
 
+#if QT_CONFIG(commandlineparser)
 void QGuiApplicationPrivate::addQtOptions(QList<QCommandLineOption> *options)
 {
     QCoreApplicationPrivate::addQtOptions(options);
@@ -1357,6 +1358,7 @@ void QGuiApplicationPrivate::addQtOptions(QList<QCommandLineOption> *options)
                          QGuiApplication::tr("Alias for --windowtitle."), QStringLiteral("title")));
     }
 }
+#endif // QT_CONFIG(commandlineparser)
 
 void QGuiApplicationPrivate::createPlatformIntegration()
 {

src/gui/kernel/qguiapplication_p.h

@@ -92,7 +92,9 @@ public:
     virtual void notifyLayoutDirectionChange();
     virtual void notifyActiveWindowChange(QWindow *previous);
 
+#if QT_CONFIG(commandlineparser)
     void addQtOptions(QList<QCommandLineOption> *options) override;
+#endif
     virtual bool shouldQuit() override;
 
     bool shouldQuitInternal(const QWindowList &processedWindows);