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  1. Qt
  2. QTBUG-123934

C2248 compile error with qcompare.h

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Details

    • Bug
    • Resolution: Duplicate
    • P2: Important
    • None
    • 6.7.0
    • Core: Other
    • None
    • Windows

    Description

      I think there is a bug with Qt Core when someone is including qcompare.h in their project.

      The error is C2248 about Qt::partial_ordering::partial_ordering and Qt::weak_ordering::weak_ordering. Also seen here

      C:\Qt\6.7.0\msvc2019_64\include\QtCore\qcompare.h:228: error: C2248: 'Qt::partial_ordering::partial_ordering': cannot access private member declared in class 'Qt::partial_ordering'
C:\Qt\6.7.0\msvc2019_64\include\QtCore/qcompare.h(228): error C2248: 'Qt::partial_ordering::partial_ordering': cannot access private member declared in class 'Qt::partial_ordering'
C:\Qt\6.7.0\msvc2019_64\include\QtCore/qcompare.h(189): note: see declaration of 'Qt::partial_ordering::partial_ordering'
C:\Qt\6.7.0\msvc2019_64\include\QtCore/qcompare.h(65): note: see declaration of 'Qt::partial_ordering'
C:\Qt\6.7.0\msvc2019_64\include\QtCore\qcompare.h:408: error: C2248: 'Qt::partial_ordering::partial_ordering': cannot access private member declared in class 'Qt::partial_ordering'
C:\Qt\6.7.0\msvc2019_64\include\QtCore/qcompare.h(408): error C2248: 'Qt::partial_ordering::partial_ordering': cannot access private member declared in class 'Qt::partial_ordering'
C:\Qt\6.7.0\msvc2019_64\include\QtCore/qcompare.h(189): note: see declaration of 'Qt::partial_ordering::partial_ordering'
C:\Qt\6.7.0\msvc2019_64\include\QtCore/qcompare.h(65): note: see declaration of 'Qt::partial_ordering'
C:\Qt\6.7.0\msvc2019_64\include\QtCore\qcompare.h:411: error: C2248: 'Qt::weak_ordering::weak_ordering': cannot access private member declared in class 'Qt::weak_ordering'
C:\Qt\6.7.0\msvc2019_64\include\QtCore/qcompare.h(411): error C2248: 'Qt::weak_ordering::weak_ordering': cannot access private member declared in class 'Qt::weak_ordering'
C:\Qt\6.7.0\msvc2019_64\include\QtCore/qcompare.h(377): note: see declaration of 'Qt::weak_ordering::weak_ordering'
C:\Qt\6.7.0\msvc2019_64\include\QtCore/qcompare.h(220): note: see declaration of 'Qt::weak_ordering'

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          duplicates

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-126386 qcompare.h build error on MSVC

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              thiago Thiago Macieira
              yu_jin Yu Jin
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              Dates

                Created:
                Updated:
                Resolved:

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