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Can i disable RTTI?

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  • C Offline
    C Offline
    ChrisPanda
    wrote on last edited by
    #1

    Hello guys? Do you know how to disable RTTI?

    J.HilkJ 1 Reply Last reply
    0
    • C ChrisPanda

      Hello guys? Do you know how to disable RTTI?

      J.HilkJ Offline
      J.HilkJ Offline
      J.Hilk
      Moderators
      wrote on last edited by J.Hilk
      #2

      @ChrisPanda said in Can i disable RTTI?:

      Do you know how to disable RTTI?

      yes


      darn can't leave it at a yes, why do you want to disable it? And I assume its essential for Qt's internal classes and methods in the first case.


      Be aware of the Qt Code of Conduct, when posting : https://forum.qt.io/topic/113070/qt-code-of-conduct


      Q: What's that?
      A: It's blue light.
      Q: What does it do?
      A: It turns blue.

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      • SGaistS Offline
        SGaistS Offline
        SGaist
        Lifetime Qt Champion
        wrote on last edited by
        #3

        Hi and welcome to devnet,

        Do you mean add "-fno-rtti" to the compiler flags ?

        Interested in AI ? www.idiap.ch
        Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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        2
        • C Offline
          C Offline
          ChrisPanda
          wrote on last edited by ChrisPanda
          #4

          I am using MSVC and i want to disable it to remove my classes name in compile time. I am happy that there is so many helpful members here

          1 Reply Last reply
          0
          • SGaistS Offline
            SGaistS Offline
            SGaist
            Lifetime Qt Champion
            wrote on last edited by
            #5

            Are you using Qt Creator or Visual Studio directly ?

            Interested in AI ? www.idiap.ch
            Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

            C 1 Reply Last reply
            0
            • SGaistS SGaist

              Are you using Qt Creator or Visual Studio directly ?

              C Offline
              C Offline
              ChrisPanda
              wrote on last edited by
              #6

              @SGaist I am using qt creator sir and i am developing qml quick application. is there any problem if i do that?

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              • SGaistS Offline
                SGaistS Offline
                SGaist
                Lifetime Qt Champion
                wrote on last edited by
                #7

                That depends on how you want to use these classes. Out of curiosity. Why do you want to disable RTTI for that application ?

                Interested in AI ? www.idiap.ch
                Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                0
                • C Offline
                  C Offline
                  ChrisPanda
                  wrote on last edited by
                  #8

                  Just for educational purpose. I just want to remove my classes name

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                  0
                  • SGaistS Offline
                    SGaistS Offline
                    SGaist
                    Lifetime Qt Champion
                    wrote on last edited by
                    #9

                    Based on this page of the VS documentation, you would need to add "/GR-" to the compiler flags. But its goal is not to hide anything. It just does not generate some additional information.

                    Interested in AI ? www.idiap.ch
                    Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                    3
                    • C Offline
                      C Offline
                      ChrisPanda
                      wrote on last edited by ChrisPanda
                      #10

                      d90fb734-92e9-4264-9684-a665b37a3a08-image.png I add it like this sir but not working :'(

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                      • C Offline
                        C Offline
                        ChrisPanda
                        wrote on last edited by
                        #11

                        still i can see some RTTI

                        45f1fcc6-d0df-4af3-b100-4443a5b5b7b9-image.png

                        config:

                        29a442be-a1f3-4c27-84d8-7bda3ddfb611-image.png

                        heres the output
                        3fe3148a-48a5-41ed-aad5-4fcc8565aa80-image.png

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                        0
                        • SGaistS Offline
                          SGaistS Offline
                          SGaist
                          Lifetime Qt Champion
                          wrote on last edited by
                          #12

                          You are removing the negation of the option.

                          Interested in AI ? www.idiap.ch
                          Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                          0
                          • C Offline
                            C Offline
                            ChrisPanda
                            wrote on last edited by
                            #13

                            Sorry sir but i dont understand, can you please explain it sir?

                            JonBJ 1 Reply Last reply
                            0
                            • C ChrisPanda

                              Sorry sir but i dont understand, can you please explain it sir?

                              JonBJ Offline
                              JonBJ Offline
                              JonB
                              wrote on last edited by
                              #14

                              @ChrisPanda
                              You have added

                              QMAKE_CXXFLAGS -= /GR-
                              

                              Note that you have used -=. That removes the option. But @SGaist wants you to add that option:

                              QMAKE_CXXFLAGS += /GR-
                              

                              Note the +=!

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