Q_GLOBAL_STATIC cannot be evaluated outside Q(Core)Application

#include <QDebug>
#include <QGlobalStatic>
#include <QStringList>

Q_GLOBAL_STATIC(QStringList, g_list)

int main(int argc, char *argv[])
{
    g_list->append("Hello");
    g_list->append("World");
    qDebug() << *g_list;
    return 0; // break here
}