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How to build Qt with clang under windows?

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clangbuilding qtqt 5.15
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  • C Offline
    C Offline
    Crazy Sage
    wrote on 16 Nov 2021, 15:58 last edited by
    #1

    Trying to build Qt with clang, using config line
    configure -debug-and-release -no-pch -nomake examples -nomake tests -skip qtwebengine -opensource -platform win32-clang-msvc
    But I'm getting following error: unable to read PCH file qmake_pch.pch: 'no such file or directory'
    fatal error: PCH file 'qmake_pch.pch' not found: module file not found
    What am I doing wrong?

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    • S Offline
      S Offline
      SGaist
      Lifetime Qt Champion
      wrote on 16 Nov 2021, 18:36 last edited by
      #2

      Hi,

      Which version of Qt ?
      Which version of clang ?

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

      C 1 Reply Last reply 18 Nov 2021, 06:44
      0
      • S SGaist
        16 Nov 2021, 18:36

        Hi,

        Which version of Qt ?
        Which version of clang ?

        C Offline
        C Offline
        Crazy Sage
        wrote on 18 Nov 2021, 06:44 last edited by
        #3

        @SGaist Qt 5.15.2
        Clang 7.0.0

        C 1 Reply Last reply 18 Nov 2021, 15:45
        0
        • C Crazy Sage
          18 Nov 2021, 06:44

          @SGaist Qt 5.15.2
          Clang 7.0.0

          C Offline
          C Offline
          Christian Ehrlicher
          Lifetime Qt Champion
          wrote on 18 Nov 2021, 15:45 last edited by
          #4

          @Crazy-Sage said in How to build Qt with clang under windows?:

          Clang 7.0.0

          And you're sure this ancient compiler supports all MSVC commands when you use clang-cl. What do you think you will gain when you compile Qt with clang-cl at all?

          Qt Online Installer direct download: https://download.qt.io/official_releases/online_installers/
          Visit the Qt Academy at https://academy.qt.io/catalog

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          2/4

          16 Nov 2021, 18:36

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