Linked by Thom Holwerda on Wed 14th Jan 2009 09:54 UTC, submitted by Almar
After Nokia purchsed Trolltech last year, doubts arose about how Nokia would handle the dual licensing model of Qt, the advanced cross-platform toolkit which lies at the base of the KDE Free software desktop. As it turns out, these doubts were unfounded, as Nokia today announced it's going to add the LGPL to Qt's licensing model, starting with Qt 4.5.
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Member since:
2007-02-17
Really? I can do what I like with code under the GPL? i don't have to make derived source code available? This is surely news to me! "
"Derived", in a copyright law sense, means "a later work which includes parts of an earlier copyrighted work".
http://en.wikipedia.org/wiki/Derivative_work
Any GPL code which you include in your work must remain GPL, as that is a condition of the license under which you may use the GPL code.
Since the GPL code you used is already public, where is the harm in your obligation to republish it as it appears in your derived work?
Please note, in the context of this thread, even this obligation is now removed for Qt. The LGPL license allows another program (i.e. another work) to include Qt functionality by linking to Qt libraries, without invoking the copy-left requirement to keep the source code open.
Edited 2009-01-14 12:04 UTC