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Issue with QtCharts in Qt6.1.1

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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 ?

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    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 ?

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            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

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                                • 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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