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My first console C++ program on Qt Creator

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  • T Offline
    T Offline
    tomy
    wrote on 21 Jan 2019, 21:38 last edited by
    #11

    Here is .pro file:

    TEMPLATE = app
    CONFIG += console c++11
    CONFIG -= app_bundle
    QT =
    SOURCES += \
            main.cpp
    

    Still the same errors!

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    • S Offline
      S Offline
      SGaist
      Lifetime Qt Champion
      wrote on 21 Jan 2019, 21:41 last edited by
      #12

      Did you re-run qmake after modifying the .pro file ?

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

      T 1 Reply Last reply 21 Jan 2019, 21:43
      0
      • S SGaist
        21 Jan 2019, 21:41

        Did you re-run qmake after modifying the .pro file ?

        T Offline
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        tomy
        wrote on 21 Jan 2019, 21:43 last edited by tomy
        #13

        If using qmake in Linux (Ubuntu) is this way, I did and below is the output. My project is on the Desktop named "hello_world".

        0_1548109120848_1.png

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        • S Offline
          S Offline
          SGaist
          Lifetime Qt Champion
          wrote on 21 Jan 2019, 22:28 last edited by
          #14

          What do you get if you call make after that ?

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

          T 1 Reply Last reply 21 Jan 2019, 22:36
          0
          • S SGaist
            21 Jan 2019, 22:28

            What do you get if you call make after that ?

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            tomy
            wrote on 21 Jan 2019, 22:36 last edited by
            #15

            @SGaist
            Do you mean I type "make" on the last line?

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            • S Offline
              S Offline
              SGaist
              Lifetime Qt Champion
              wrote on 21 Jan 2019, 22:41 last edited by
              #16

              Yes, that's it.

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

              T 2 Replies Last reply 21 Jan 2019, 22:55
              1
              • S SGaist
                21 Jan 2019, 22:41

                Yes, that's it.

                T Offline
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                tomy
                wrote on 21 Jan 2019, 22:55 last edited by
                #17
                This post is deleted!
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                • S SGaist
                  21 Jan 2019, 22:41

                  Yes, that's it.

                  T Offline
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                  tomy
                  wrote on 21 Jan 2019, 23:02 last edited by tomy
                  #18

                  @SGaist
                  Thanks. I did it and it showed the output I wanted on the Terminal.
                  But still I see the errors and red lines on the code! :(

                  Why while the program runs successfully does Qt Qreator show them? And how to get rid of them. They are ugly indeed.

                  0_1548111980062_1.png

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                  • S Offline
                    S Offline
                    SGaist
                    Lifetime Qt Champion
                    wrote on 21 Jan 2019, 23:09 last edited by
                    #19

                    Try changing the code model used by Qt Creator.

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

                    T 1 Reply Last reply 21 Jan 2019, 23:19
                    0
                    • J Online
                      J Online
                      JKSH
                      Moderators
                      wrote on 21 Jan 2019, 23:16 last edited by
                      #20

                      @tomy said in My first console C++ program on Qt Creator:

                      Of course. I get 6 issues. 5 of them are errors and one warning, as shown in the screenshot in the first post here.

                      The screenshot in your first post shows errors and warnings from the static code analyzer, not from your compiler. We can tell because the red circle and yellow triangles are "hollow". Errors and warnings from your compiler have "filled" circles and triangles.

                      Try to build and run your code to activate your compiler. Does it run successfully?

                      Anyway, you are seeing these errors because the static code analyzer thinks you are writing C code (not C++ code) for some reason. You can disable it by clicking Help > About Plugins... and unchecking C++ > Clang Code Model

                      @tomy said in My first console C++ program on Qt Creator:

                      If using qmake in Linux (Ubuntu) is this way, I did and below is the output. My project is on the Desktop named "hello_world".

                      0_1548109120848_1.png

                      I believe @SGaist meant running qmake from within Qt Creator, when your project is open. The menu item is Build > Run qmake.

                      Running qmake in the console does not change anything in Qt Creator.

                      Qt Doc Search for browsers: forum.qt.io/topic/35616/web-browser-extension-for-improved-doc-searches

                      1 Reply Last reply
                      4
                      • S SGaist
                        21 Jan 2019, 23:09

                        Try changing the code model used by Qt Creator.

                        T Offline
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                        tomy
                        wrote on 21 Jan 2019, 23:19 last edited by
                        #21

                        @SGaist

                        What are the preferences choices for console C++ programming on the code model section, please?
                        How to find a way to be rid of these bothersome issues and go on programming?

                        J 1 Reply Last reply 21 Jan 2019, 23:24
                        0
                        • T tomy
                          21 Jan 2019, 23:19

                          @SGaist

                          What are the preferences choices for console C++ programming on the code model section, please?
                          How to find a way to be rid of these bothersome issues and go on programming?

                          J Online
                          J Online
                          JKSH
                          Moderators
                          wrote on 21 Jan 2019, 23:24 last edited by
                          #22

                          @tomy said in My first console C++ program on Qt Creator:

                          What are the preferences choices for console C++ programming on the code model section, please?

                          As I said in my previous post, you can disable the Clang Code Model clicking Help > About Plugins... and unchecking C++ > Clang Code Model

                          Qt Doc Search for browsers: forum.qt.io/topic/35616/web-browser-extension-for-improved-doc-searches

                          T 1 Reply Last reply 21 Jan 2019, 23:27
                          1
                          • J JKSH
                            21 Jan 2019, 23:24

                            @tomy said in My first console C++ program on Qt Creator:

                            What are the preferences choices for console C++ programming on the code model section, please?

                            As I said in my previous post, you can disable the Clang Code Model clicking Help > About Plugins... and unchecking C++ > Clang Code Model

                            T Offline
                            T Offline
                            tomy
                            wrote on 21 Jan 2019, 23:27 last edited by
                            #23

                            @JKSH
                            Thanks so much. It removed the majority of the red underlines.
                            Only two lines remain!

                            0_1548113155555_1.png

                            One more thing: Why does the IDE think I'm C coding while I explicitly told it by choosing "plain C++" that I would be coding on C++?

                            J 1 Reply Last reply 21 Jan 2019, 23:47
                            0
                            • T tomy
                              21 Jan 2019, 23:27

                              @JKSH
                              Thanks so much. It removed the majority of the red underlines.
                              Only two lines remain!

                              0_1548113155555_1.png

                              One more thing: Why does the IDE think I'm C coding while I explicitly told it by choosing "plain C++" that I would be coding on C++?

                              J Online
                              J Online
                              JKSH
                              Moderators
                              wrote on 21 Jan 2019, 23:47 last edited by
                              #24

                              @tomy said in My first console C++ program on Qt Creator:

                              Why does the IDE think I'm C coding while I explicitly told it by choosing "plain C++" that I would be coding on C++?

                              I don't know. It works fine for me on Windows.

                              It might be related to your Kit settings (this is just a guess).

                              Qt Doc Search for browsers: forum.qt.io/topic/35616/web-browser-extension-for-improved-doc-searches

                              T 1 Reply Last reply 22 Jan 2019, 10:03
                              0
                              • J JKSH
                                21 Jan 2019, 23:47

                                @tomy said in My first console C++ program on Qt Creator:

                                Why does the IDE think I'm C coding while I explicitly told it by choosing "plain C++" that I would be coding on C++?

                                I don't know. It works fine for me on Windows.

                                It might be related to your Kit settings (this is just a guess).

                                T Offline
                                T Offline
                                tomy
                                wrote on 22 Jan 2019, 10:03 last edited by
                                #25

                                @JKSH
                                Kids are only the Desktop kit:

                                0_1548151415171_1.png

                                By the way, I'm on Linux. Have you tried a plain C++ project on Linux to see if there are those red underlines or not?

                                C J 2 Replies Last reply 22 Jan 2019, 13:32
                                0
                                • T tomy
                                  22 Jan 2019, 10:03

                                  @JKSH
                                  Kids are only the Desktop kit:

                                  0_1548151415171_1.png

                                  By the way, I'm on Linux. Have you tried a plain C++ project on Linux to see if there are those red underlines or not?

                                  C Offline
                                  C Offline
                                  Cobra91151
                                  wrote on 22 Jan 2019, 13:32 last edited by
                                  #26

                                  @tomy

                                  Hi! I think the problem is with your compiler, try setting it as g++ not gcc.

                                  For example, using MinGW on Windows (compiler path is ....\g++.exe):

                                  0_1548163802423_2019-01-22_152922.png

                                  T 1 Reply Last reply 22 Jan 2019, 20:39
                                  1
                                  • T tomy
                                    22 Jan 2019, 10:03

                                    @JKSH
                                    Kids are only the Desktop kit:

                                    0_1548151415171_1.png

                                    By the way, I'm on Linux. Have you tried a plain C++ project on Linux to see if there are those red underlines or not?

                                    J Online
                                    J Online
                                    JKSH
                                    Moderators
                                    wrote on 22 Jan 2019, 15:12 last edited by
                                    #27

                                    @tomy said in My first console C++ program on Qt Creator:

                                    By the way, I'm on Linux. Have you tried a plain C++ project on Linux to see if there are those red underlines or not?

                                    Unfortunately, I don't have a Linux machine with a recent version of Qt and Qt Creator.

                                    One thing you could try is to create a Qt Console Application, then remove Qt from the .pro file.

                                    Qt Doc Search for browsers: forum.qt.io/topic/35616/web-browser-extension-for-improved-doc-searches

                                    1 Reply Last reply
                                    0
                                    • C Cobra91151
                                      22 Jan 2019, 13:32

                                      @tomy

                                      Hi! I think the problem is with your compiler, try setting it as g++ not gcc.

                                      For example, using MinGW on Windows (compiler path is ....\g++.exe):

                                      0_1548163802423_2019-01-22_152922.png

                                      T Offline
                                      T Offline
                                      tomy
                                      wrote on 22 Jan 2019, 20:39 last edited by
                                      #28

                                      @Cobra91151
                                      Is it on Linux, please?
                                      The options are different between Windows and Linux.

                                      C 1 Reply Last reply 22 Jan 2019, 20:46
                                      0
                                      • T tomy
                                        22 Jan 2019, 20:39

                                        @Cobra91151
                                        Is it on Linux, please?
                                        The options are different between Windows and Linux.

                                        C Offline
                                        C Offline
                                        Cobra91151
                                        wrote on 22 Jan 2019, 20:46 last edited by Cobra91151
                                        #29

                                        @tomy

                                        I don't think that Qt Creator is different on Linux and Windows. Check: Tools -> Options -> Kits -> Compilers. Then select your compiler and click Browse. Your compiler should be "..\g++.exe" or something similar to it. Check if it's available for you.

                                        1 Reply Last reply
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                                        • T Offline
                                          T Offline
                                          tomy
                                          wrote on 22 Jan 2019, 22:14 last edited by
                                          #30

                                          There is no g++ unfortunately.

                                          0_1548195294218_1.png

                                          C 1 Reply Last reply 23 Jan 2019, 10:44
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