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How to build QT6 with specific ICU version in Linux and why ICU dependency isn't seen on Windows?

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  • Q Offline
    Q Offline
    Qt6User
    wrote on last edited by
    #1

    We are using qt6 version 6.8.1 in linux we see that it depends on ICU version 73.

    [root@d986805cb9ef test]# ldd libQt6Core.so.6.8.1
            linux-vdso.so.1 (0x00007ffebb7bf000)
            libicui18n.so.73 => not found
            libicuuc.so.73 => not found
            libicudata.so.73 => not found
    

    My questions -

    a) Is it possible to build QT6 with specific ICU version for e.g. say 76 instead of 73?
    Can anyone please share the required flags and other relevant instructions/process i should be aware of?

    b) Why i don't see ICU dependency on Qt6Core in Windows BUT I can see it on Linux?

    On Windows:
    Qt6Core_Dependencies.png

    On Linux :
    ICU_Dependency_Linux.png

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    • B Offline
      B Offline
      Bonnie
      wrote on last edited by
      #2

      a) Yes. Build Qt6 yourself and link the ICU version you want
      b) The prebuilt Qt6 on windows is not built with ICU support
      You can get the building flags from https://wiki.qt.io/Qt_6.8_Tools_and_Versions
      I had replied in this thread about how to build Qt6Core only with ICU support on Windows, you may take that as a reference.

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