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Issue with QtCharts in Qt6.1.1

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  • R Offline
    R Offline
    ringlery
    wrote on last edited by
    #3

    Greetings,
    Yes, I downloaded the additional package using the maintenance tool, and performed the build and install. I can see the framework in the expected location, as well, so I think everything is ok there. I also tried the same procedure with the 6.2.0 preview and got the same result.

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    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #4

      How did you build/install the module ?

      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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      • R Offline
        R Offline
        ringlery
        wrote on last edited by
        #5

        Hi,
        I follow the instructions in the README located in ~/Qt/6.1.1/Src/qtcharts:

        ~/Qt/6.1.1/clang_64/bin/qmake CONFIG+="debug_and_release build_all"
        make
        make install

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        • SGaistS Offline
          SGaistS Offline
          SGaist
          Lifetime Qt Champion
          wrote on last edited by
          #6

          Do you have any cmake file in these sources ?
          I suspect it's Qt 5 sources rather than the dev which is for Qt 6.

          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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          • R Offline
            R Offline
            ringlery
            wrote on last edited by
            #7

            There is at least a CMakeLists.txt file in the Qt/6.1.1/Src/qtcharts directory.

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            • SGaistS Offline
              SGaistS Offline
              SGaist
              Lifetime Qt Champion
              wrote on last edited by
              #8

              What result do you get if you use cmake to build the module rather than qmake ?

              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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              • R Offline
                R Offline
                ringlery
                wrote on last edited by
                #9

                Hi,
                Building with CMake gives the following error...

                cmake .
                -- The CXX compiler identification is AppleClang 12.0.5.12050022
                -- The C compiler identification is AppleClang 12.0.5.12050022
                -- Detecting CXX compiler ABI info
                -- Detecting CXX compiler ABI info - done
                -- Check for working CXX compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++ - skipped
                -- Detecting CXX compile features
                -- Detecting CXX compile features - done
                -- Detecting C compiler ABI info
                -- Detecting C compiler ABI info - done
                -- Check for working C compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc - skipped
                -- Detecting C compile features
                -- Detecting C compile features - done
                CMake Error at CMakeLists.txt:16 (find_package):
                Could not find a package configuration file provided by "Qt6" (requested
                version 6.1.1) with any of the following names:

                Qt6Config.cmake
                qt6-config.cmake
                

                Add the installation prefix of "Qt6" to CMAKE_PREFIX_PATH or set "Qt6_DIR"
                to a directory containing one of the above files. If "Qt6" provides a
                separate development package or SDK, be sure it has been installed.

                -- Configuring incomplete, errors occurred!
                See also "/Users/ryan/Qt/6.1.1/Src/qtcharts/CMakeFiles/CMakeOutput.log".
                See also "/Users/ryan/Qt/6.1.1/Src/qtcharts/CMakeFiles/CMakeError.log".

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                • SGaistS Offline
                  SGaistS Offline
                  SGaist
                  Lifetime Qt Champion
                  wrote on last edited by
                  #10

                  Don't build directly in the root of your sources. You should at least create a build folder and run cmake from there.

                  As for the error, pass the CMAKE_PREFIX_PATH pointing to where your Qt 6 cmake files are located.

                  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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                  • R Offline
                    R Offline
                    ringlery
                    wrote on last edited by
                    #11

                    Hello again,
                    I'm not terribly experienced in using CMake, so this is what I did, but unfortunately there are more errors:

                    mkdir build
                    ❯ build
                    ❯ cmake -D CMAKE_PREFIX_PATH="~/Qt/6.1.1/clang_64/lib/cmake/Qt6" ..
                    -- Looking for pthread.h
                    -- Looking for pthread.h - found
                    -- Performing Test CMAKE_HAVE_LIBC_PTHREAD
                    -- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Success
                    -- Found Threads: TRUE
                    -- Performing Test HAVE_STDATOMIC
                    -- Performing Test HAVE_STDATOMIC - Success
                    -- Found WrapAtomic: TRUE
                    -- Could NOT find Qt6CoreTools (missing: Qt6CoreTools_DIR)
                    CMake Warning at /Users/ryan/Qt/6.1.1/clang_64/lib/cmake/Qt6/Qt6Config.cmake:97 (find_package):
                    Found package configuration file:

                    /Users/ryan/Qt/6.1.1/clang_64/lib/cmake/Qt6Core/Qt6CoreConfig.cmake
                    

                    but it set Qt6Core_FOUND to FALSE so package "Qt6Core" is considered to be
                    NOT FOUND.
                    Call Stack (most recent call first):
                    CMakeLists.txt:16 (find_package)

                    CMake Error at CMakeLists.txt:16 (find_package):
                    Found package configuration file:

                    /Users/ryan/Qt/6.1.1/clang_64/lib/cmake/Qt6/Qt6Config.cmake
                    

                    but it set Qt6_FOUND to FALSE so package "Qt6" is considered to be NOT
                    FOUND. Reason given by package:

                    Failed to find Qt component "Core" config file at ""

                    -- Configuring incomplete, errors occurred!
                    See also "/Users/ryan/Qt/6.1.1/Src/qtcharts/CMakeFiles/CMakeOutput.log".
                    See also "/Users/ryan/Qt/6.1.1/Src/qtcharts/CMakeFiles/CMakeError.log".

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                    • JoeCFDJ Offline
                      JoeCFDJ Offline
                      JoeCFD
                      wrote on last edited by JoeCFD
                      #12

                      use cmake-gui and you can easily find and solve problems

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                      • R Offline
                        R Offline
                        ringlery
                        wrote on last edited by
                        #13

                        I used cmake-gui, as suggested and manually set the Qt6*_DIR variables to the appropriate values (otherwise errors are produced as the directories aren't identified). The build process completes and installs properly, but I get the same errors when trying to compile my application.

                        I tried compiling an example that uses QtCharts (datetimeaxis), and that works. I do have some forms that use a QChartView widget. Since the errors are popping up in the generated ui_*.h files, do you think that this is somehow related?

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                        • SGaistS Offline
                          SGaistS Offline
                          SGaist
                          Lifetime Qt Champion
                          wrote on last edited by
                          #14

                          How did you put the charts through designer ?
                          Using promotion ?

                          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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                          • R Offline
                            R Offline
                            ringlery
                            wrote on last edited by
                            #15

                            I believe so...it's been a while since I touched the forms, but that rings a bell. Maybe I need to delete it and try the same process in case there's some legacy code still lurking in the background.

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                            • R Offline
                              R Offline
                              ringlery
                              wrote on last edited by
                              #16

                              When I use the "promote" option in Designer I can now see where the reference to chartsnamespace.h is coming from (see attachment).

                              Screen Shot 2021-06-15 at 5.32.36 PM.png

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                              • R Offline
                                R Offline
                                ringlery
                                wrote on last edited by
                                #17

                                Ok, solved! I had to reset the the promotion values as described here. I'm attaching a screenshot for reference in case anyone else runs into the same problem.Screen Shot 2021-06-16 at 8.24.18 AM.png

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                                • SGaistS Offline
                                  SGaistS Offline
                                  SGaist
                                  Lifetime Qt Champion
                                  wrote on last edited by
                                  #18

                                  Great !

                                  Thanks for the feedback.

                                  Since you have it working now, please mark the thread as solved using the "Topic Tools" button so that other forum users may know a solution has been found :-)

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

                                  R 1 Reply Last reply
                                  0
                                  • SGaistS SGaist

                                    Great !

                                    Thanks for the feedback.

                                    Since you have it working now, please mark the thread as solved using the "Topic Tools" button so that other forum users may know a solution has been found :-)

                                    R Offline
                                    R Offline
                                    ringlery
                                    wrote on last edited by
                                    #19

                                    @SGaist Done. Thanks for you help!

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