Failed to Build qtbase on MSYS2/MINGW-w64 because of unrecognized QT_REMOVED_SINCE

  In file included from C:/_/mingw-w64-qt6-base/src/qtbase/src/corelib/io/qfiledevice.cpp:43:
  In file included from C:/_/mingw-w64-qt6-base/src/qtbase/src/corelib/io/qfsfileengine_p.h:55:
  In file included from C:/_/mingw-w64-qt6-base/src/build-CLANG64/include/QtCore/6.3.0/QtCore/private/qabstractfileengine_p.h:1:
  In file included from C:/_/mingw-w64-qt6-base/src/build-CLANG64/include/QtCore/6.3.0/QtCore/private/../../../../../../qtbase/src/corelib/io/qabstractfileengine_p.h:56:
  In file included from C:/_/mingw-w64-qt6-base/src/build-CLANG64/include/QtCore/qdir.h:1:
  In file included from C:/_/mingw-w64-qt6-base/src/build-CLANG64/include/QtCore/../../../qtbase/src/corelib/io/qdir.h:45:
  In file included from C:/_/mingw-w64-qt6-base/src/build-CLANG64/include/QtCore/qfileinfo.h:1:
  In file included from C:/_/mingw-w64-qt6-base/src/build-CLANG64/include/QtCore/../../../qtbase/src/corelib/io/qfileinfo.h:47:
  In file included from C:/_/mingw-w64-qt6-base/src/build-CLANG64/include/QtCore/qdatetime.h:1:
  In file included from C:/_/mingw-w64-qt6-base/src/build-CLANG64/include/QtCore/../../../qtbase/src/corelib/time/qdatetime.h:47:
  In file included from C:/_/mingw-w64-qt6-base/src/build-CLANG64/include/QtCore/qcalendar.h:1:
  In file included from C:/_/mingw-w64-qt6-base/src/build-CLANG64/include/QtCore/../../../qtbase/src/corelib/time/qcalendar.h:46:
  In file included from C:/_/mingw-w64-qt6-base/src/build-CLANG64/include/QtCore/qlocale.h:1:
  C:/_/mingw-w64-qt6-base/src/build-CLANG64/include/QtCore/../../../qtbase/src/corelib/text/qlocale.h:1107:5: error: function-like macro 'QT_REMOVED_SINCE' is not defined
  #if QT_REMOVED_SINCE(6, 3)
      ^
  1 error generated.