2012/1/30 Orion Poplawski <orion(a)cora.nwra.com>:
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(a)cora.nwra.com
Boulder, CO 80301 http://www.cora.nwra.com
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