Someone
public text v1 · immutable In function `QStringList::operator=(QStringList const&)':/usr/include/QtCore/qstringlist.h:62: undefined reference to `QList<QString>::operator=(QList<QString> const&)' In function `QStringList::operator=(QStringList const&)':/usr/include/QtCore/qstringlist.h:62: undefined reference to `QList<QString>::operator=(QList<QString> const&)'