Is inherited class a derivative work?

Michael Beck mbeck1 at
Thu Oct 18 07:21:35 UTC 2001

> -----Original Message-----
> From: david at [mailto:david at]
> Sent: Tuesday, October 16, 2001 23:34

> Now that's a truly scary thought if you think about it. The KDE core
> libraries are under the LGPL, but there are many KDE
> applications that are
> under different licenses and which of subclassed some KDE
> classes (kwin,
> kicker, cervisia, etc). Are these programs all now illegal?

IANAL, but assuming that the FSF statement about LGPL and inheritance is
correct, this would only indicate that the classes derived from KDE should be
published under LGPL. The programs using them could continue to be released
under their current licenses.


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