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Thread: Failed to build Qt 6.2.2 on Ubunbu 20.04 ...

  1. #1
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    Default Failed to build Qt 6.2.2 on Ubunbu 20.04 ...

    Can anybody give me a hand on how to solve this problem while configuring Qt6 ??

    CMake Warning (dev) at /usr/lib/x86_64-linux-gnu/cmake/assimp-5.0/assimpTargets.cmake:54 (if):
    if given arguments:

    "ON"

    An argument named "ON" appears in a conditional statement. Policy CMP0012
    is not set: if() recognizes numbers and boolean constants. Run "cmake
    --help-policy CMP0012" for policy details. Use the cmake_policy command to
    set the policy and suppress this warning.
    Call Stack (most recent call first):
    /usr/lib/x86_64-linux-gnu/cmake/assimp-5.0/assimp-config.cmake:1 (include)
    ....../qt-everywhere-src-6.2.2/qt3d/cmake/FindWrapQt3DAssimp.cmake:8 (find_package)
    ....../qt-everywhere-src-6.2.2/qt3d/config.tests/assimp/CMakeLists.txt:7 (find_package)
    This warning is for project developers. Use -Wno-dev to suppress it.
    CMake Error in ....../qt-everywhere-src-6.2.2/qt3d/config.tests/assimp/CMakeLists.txt:
    Imported target "WrapQt3DAssimp::WrapQt3DAssimp" includes non-existent path

    "/usr/lib/include"

    in its INTERFACE_INCLUDE_DIRECTORIES. Possible reasons include:

    * The path was deleted, renamed, or moved to another location.

    * An install or uninstall procedure did not complete successfully.

    * The installation package was faulty and references files it does not
    provide.


    CMake Error at qtbase/cmake/QtFeature.cmake:896 (try_compile):
    Failed to generate test project build system.
    Call Stack (most recent call first):
    qt3d/src/core/configure.cmake:15 (qt_config_compile_test)
    qtbase/cmake/QtModuleHelpers.cmake:515 (include)
    qt3d/src/core/CMakeLists.txt:7 (qt_internal_add_module)

    Configuring incomplete, errors occurred!
    See also "....../qt-everywhere-src-6.2.2/CMakeFiles/CMakeOutput.log".
    See also "....../qt-everywhere-src-6.2.2/CMakeFiles/CMakeError.log".
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  2. #2
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    Default Re: Failed to build Qt 6.2.2 on Ubunbu 20.04 ...

    This warning is for project developers. Use -Wno-dev to suppress it.
    Try adding that to your command line when you invoke CMake (or to the C++ flags in the toolchain file and/or the appropriate CMakeLists.txt file.

    I am pretty sure that the term "project developers" refers to the developers of Qt itself, not people using Qt to develop their own projects.

    I am not using Qt6 yet, so don't have the CMake files to look at. Maybe there is some other reader here who can give more advice.
    <=== The Great Pumpkin says ===>
    Please use CODE tags when posting source code so it is more readable. Click "Go Advanced" and then the "#" icon to insert the tags. Paste your code between them.

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