Kdelibs4ConfigMigrator was removed in qt6

src/main.cpp

@@ -15,7 +15,9 @@
 #include <KAboutData>
 #include <QApplication>
 #include <QCommandLineParser>
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
 #include <Kdelibs4ConfigMigrator>
+#endif
 #include <KCrash>
 
 #include "kbbmainwindow.h"
@@ -31,11 +33,12 @@ int main( int argc, char **argv )
 #endif
     
     QApplication application(argc, argv);
-
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     Kdelibs4ConfigMigrator migrate(QStringLiteral("kblackbox"));
     migrate.setConfigFiles(QStringList() << QStringLiteral("kblackboxrc"));
     migrate.setUiFiles(QStringList() << QStringLiteral("kblackboxui.rc"));
     migrate.migrate();
+#endif
     KLocalizedString::setApplicationDomain("kblackbox");
     KAboutData aboutData( QStringLiteral("kblackbox"), i18n("KBlackBox"), QStringLiteral(KBLACKBOX_VERSION_STRING), i18n("Find the balls hidden in the black box by shooting laser beams!"), KAboutLicense::GPL, i18n("(c) 2007, Nicolas Roffet\n(c) 1999-2000, Robert Cimrman"));
     aboutData.addAuthor(i18n("Nicolas Roffet"),i18n("Developer of version 0.4."), QStringLiteral("nicolas-kde@roffet.com"));