2012/1/30 Orion Poplawski <orion@xxxxxxxxxxxxx>:
> On 01/30/2012 11:49 AM, Kalev Lember wrote:
>>
>> On 01/30/2012 08:24 PM, Orion Poplawski wrote:
>>>
>>> I am getting the following error building paraview with gcc 4.7:
>>>
>>> In file included from
>>> /builddir/build/BUILD/ParaView-3.12.0/Qt/Core/pqAnimationScene.cxx:57:0:
>>>
>>> /builddir/build/BUILD/ParaView-3.12.0/Qt/Core/pqServerManagerSelectionModel.h:75:30:
>>> error: calls to overloaded operators cannot appear in a
>>> constant-expression
>>>
>>> code snippet:
>>>
>>> class PQCORE_EXPORT pqServerManagerSelectionModel : public QObject
>>> {
>>> Q_OBJECT
>>> public:
>>> /// Supported selections flags. These are a subset of
>>> /// QItemSelectionModel::SelectionFlags.
>>> enum SelectionFlag {
>>> NoUpdate = QItemSelectionModel::NoUpdate,
>>> Clear = QItemSelectionModel::Clear,
>>> Select = QItemSelectionModel::Select,
>>> Deselect = QItemSelectionModel::Deselect,
>>> ClearAndSelect = Clear | Select
>>
>>
>> Looks like gcc cannot resolve Clear and Select to a
>> constant-expression and you'll need to spell out the
>> scope. Try changing the line above to:
>> ClearAndSelect = QItemSelectionModel::Clear |
>> QItemSelectionModel::Select
>>
>>
>
> I did try that, but no go. I think the | operator is overloaded somewhere.
>
I guess that Q_DECLARE_FLAGS macro for QItemSelectionModel overrides
this operator.
Possible workaround for it would be:
ClearAndSelect = static_cast<int>(Clear) | static_cast<int>(Select)
>
> --
> Orion Poplawski
> Technical Manager 303-415-9701 x222
> NWRA, Boulder Office FAX: 303-415-9702
> 3380 Mitchell Lane orion@xxxxxxxxxxxxx
> Boulder, CO 80301 http://www.cora.nwra.com
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