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    Unsolved How to build a closed source QT application with the free license?

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    • R
      reddy9pp last edited by

      Hello,

      How to build a closed source QT application with the free license?

      JonB 1 Reply Last reply Reply Quote 0
      • VRonin
        VRonin last edited by VRonin

        https://softwareengineering.stackexchange.com/questions/86142/what-exactly-do-i-need-to-do-if-i-use-a-lgpl-licensed-library

        If you use Qt as distributed in the official installer with dynamic linking to it (i.e. you use the dlls) then you are in the clear

        "La mort n'est rien, mais vivre vaincu et sans gloire, c'est mourir tous les jours"
        ~Napoleon Bonaparte

        On a crusade to banish setIndexWidget() from the holy land of Qt

        1 Reply Last reply Reply Quote 7
        • JonB
          JonB @reddy9pp last edited by JonB

          @reddy9pp
          This has been asked so many times. I am not a lawyer. Qt has LGPL license, which you should look at. To keep it really simple, if you don't mess with Qt's own code you don't have to publish your source. Make sure you only use the Qt stuff which is LGPL, not the couple of components which are GPL.

          EDIT See @VRonin's response above.

          1 Reply Last reply Reply Quote 6
          • fcarney
            fcarney last edited by

            Take time to understand software licenses. If you want to be in this field then you need to understand IP.

            C++ is a perfectly valid school of magic.

            1 Reply Last reply Reply Quote 0
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