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c++gcc4

QApplication compiles with gcc 4.7 but crashes

from here http://nuwen.net/mingw.html I've downloaded gcc 4.7 and I've set this up in qt. Everything compiles fine in qt, unfortunately when I run my app (from qt) it crashes.
Any thougts?
Edit (this is this application, OS Win7, Qt 4.8): 

#include <QApplication>
#include <QDialog>
int main(int c, char** v)
{
    QApplication app(c,v);
    QDialog* d = new QDialog();
    d->show();
    return app.exec();
}
Solution

  • If you update the compiler, you should probably recompile Qt.

    Different version of gcc can work together, but they might be themselves compiled with incompatible options.