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  1. Qt
  2. QTBUG-68014

Qt library link errors in Windows

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    • Commits:
      f66c1db16c050c9d685a44a38ad7c5cf9f6fcc96 (qt/qtbase/dev)

      Description

      Have link error:

      mydialog.obj:-1: error: LNK2001: unresolved external symbol "struct QMetaObject const MyLibrary::staticMetaObject" (?staticMetaObject@MyLibrary@@3UQMetaObject@@B)

      Error happen because of the following line in code (disappears when commented out):

      mydialog.cpp:

      QMetaEnum myEnum = QMetaEnum::fromType<MyLibrary::MyEnumClass>();

      mylibrary.h:

      namespace MyLibrary
      { 
      Q_NAMESPACE 
      
      enum class MYLIBRARYSHARED_EXPORT MyEnumClass
      {
      ...
      }; 
      
      Q_ENUM_NS(MyEnumClass)
      
      ...
      } // namespace MyLibrary

      Error reproducible building this project under Windows:
      https://github.com/akontsevich/ConnectedCreatorPlugin

      Found no solution in Internet, seems Qt bug.

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              Assignee:
              taipan BogDan Vatra
              Reporter:
              alekseyka Aleksey Kontsevich
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                Created:
                Updated:
                Resolved:

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