Creating and Using a Static Library (QT4.7.4, QT Creator 2.2.1, Red Hat Linux 6.1)

[norobro]

Your updated example worked fine using Qt 4.7.4 & Qt Creator 2.2.1 on my Debian Sid system.

#include <QDebug>
#include "SimpleClass.h"
 
int main()
{
    SimpleClass sc;
    qDebug() << sc.ReturnNumber();
    return 0;
}

#include <QDebug>
#include "SimpleClass.h"

int main()
{
    SimpleClass sc;
    qDebug() << sc.ReturnNumber();
    return 0;
}

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Don't know anything about Red Hat but maybe this will help: link