Qtractor source checkinstall error

Dear Rui!
EDIT: I saw in the "mastertree comment" that it is a feature for Qt >= 5.2, so please forgive me my noise!
Still greetings from Rhodes!

Qtractor version 0.9.9.15git.f5fc34 from today gives me the following error when doing checkinstall/install (the configure and make process work fine without an error message):
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.moc/moc_qtractorShortcutForm.cpp: In static member function ‘static void qtractorShortcutTableItemEditor::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)’:
.moc/moc_qtractorShortcutForm.cpp:144:21: error: ‘class qtractorShortcutTableItemEditor’ has no member named ‘changed’
case 5: _t->changed((*reinterpret_cast< const QString(*)>(_a[1]))); break;
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I send it for your information because I guess it is an qt5 related issue :-)

Thank you for your wonderful software and greetings from Rhodes!
Michael