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So tell me why.....(MQTT)

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  • ThirdStrandT Offline
    ThirdStrandT Offline
    ThirdStrand
    wrote on last edited by
    #1

    Wondering out loud why for all of these years the QtMqtt library must be manually built from source? Such a pervasive tech would be expected to be a part of the base libs (at least by me). Is there some weirdo licensing issue in play?

    JoeCFDJ 1 Reply Last reply
    0
    • ThirdStrandT ThirdStrand

      Wondering out loud why for all of these years the QtMqtt library must be manually built from source? Such a pervasive tech would be expected to be a part of the base libs (at least by me). Is there some weirdo licensing issue in play?

      JoeCFDJ Offline
      JoeCFDJ Offline
      JoeCFD
      wrote on last edited by JoeCFD
      #2

      @ThirdStrand The license of this module is GPL 3. I guess it is not free for commercial use.
      One reason is not so many people use it. Another reason is you can use MQTT without this module as well.
      I have MQTT in my app, but without Qt MQTT module.
      I guess ROS2 is getting more popular than MQTT now.

      Is it hard to build it?

      ThirdStrandT 1 Reply Last reply
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      • JoeCFDJ JoeCFD

        @ThirdStrand The license of this module is GPL 3. I guess it is not free for commercial use.
        One reason is not so many people use it. Another reason is you can use MQTT without this module as well.
        I have MQTT in my app, but without Qt MQTT module.
        I guess ROS2 is getting more popular than MQTT now.

        Is it hard to build it?

        ThirdStrandT Offline
        ThirdStrandT Offline
        ThirdStrand
        wrote on last edited by
        #3

        @JoeCFD Nah, stupid simple to build and install. Same GPL3 on Grpc/Protobuf as well.

        sierdzioS 1 Reply Last reply
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        • ThirdStrandT ThirdStrand

          @JoeCFD Nah, stupid simple to build and install. Same GPL3 on Grpc/Protobuf as well.

          sierdzioS Offline
          sierdzioS Offline
          sierdzio
          Moderators
          wrote on last edited by
          #4

          @ThirdStrand I see "Qt MQTT" in my installer (so under commercial license) for Qt 6 - it is under "Additional Libraries". So either it is missing from Open Souce installer (which would be weird) or maybe you are looking at Qt 5?

          (Z(:^

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