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    Qt World Summit: Early-Bird Tickets

    One Point of the Qt LGPL license

    General and Desktop
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    • E
      evanxg852000 last edited by

      Hi evryone, I Have a small app that uses qt dlls dinamically . I am willing to make it commercial app .
      I just use the qt SDK as it is provided from the official installation without any other 3rd party lib or modification.
      Assuming the LGPL licence v2.1 and these explanations

      "DevDays2009 - Making the Licensing Decision - LGPL vs. Commercial":http://qt.nokia.com/developer/learning/online/talks/developerdays2009/qt-in-use/making-the-licensing-decision2014lgpl-vs.-commercial

      can I sell my application with the binaries only or do I have to provide my application source code along with ?
      I went through it but "Section 6 Requirements (cont’d) " is not clear
      thanks for the help

      [edit: adjusted link -mariusg]

      Evan-XG

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      • A
        andre last edited by

        Refer to the 2010 DevDays presentation on this. It was quite clear, I think.

        Short answer: you do not need to supply sources of your own binaries, provided that you:

        • link dynamically, and
        • either use the standard Qt library files,
        • or use modified Qt libary files, and provide the source for your modified Qt libraries
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        • E
          evanxg852000 last edited by

          thanks a lot . the link above is from the devdays presentation but it was not clear for me . I found a blog post "Here":http://blog.qt.nokia.com/2009/11/30/qt-making-the-right-licensing-decision/
          that one was really much clear for me may be the keynote of the devdays presentation was much more explanatory. anyway your answer is another explanation to my question so and thanks lot.

          Evan-XG

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          • A
            andre last edited by

            I was talking about dev days 2010 "talk":http://qt.nokia.com/developer/learning/online/talks/developerdays2010/qt-in-use. You were refering to the 2009 talk.

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