[vtk-developers] Errors when compiling VTK v6.0.0 in C++11 mode

[Robert Maynard]

If you need to use the c++ compiler to verify that symbols exist
inside a namespace, you should use CHECK_CXX_SYMBOL_EXISTS.

On Sat, Jul 13, 2013 at 1:21 PM, David Gobbi <david.gobbi at gmail.com> wrote:
> Hi Kevin,
>
> Thanks for the report.  I believe that this can be fixed.  The patch
> that Kyle provided will not work (we already tried that in earlier
> rounds of testing) so now I am investigating in more depth. I've
> discovered that our cmake check for VTK_HAS_STD_ISINF doesn't work
> because cmake's check_symbol_exists() function uses the C compiler,
> rather than the C++ compiler, for its try_compile and therefore
> doesn't work with namespaced functions.  I hope to have a patch up on
> gerrit soon.
>
>  - David
>
> On Sat, Jul 13, 2013 at 4:51 AM, Sean McBride <sean at rogue-research.com> wrote:
>> On Wed, 10 Jul 2013 16:31:47 +0200, Kevin Funk said:
>>
>>>/home/krf/devel/src/VTK-master/Common/Core/vtkMath.h: In static member
>>>function 'static int vtkMath::IsInf(double)':
>>>/home/krf/devel/src/VTK-master/Common/Core/vtkMath.h:1249:18: error: call of
>>>overloaded 'isinf(double&)' is ambiguous
>>>
>>> *SNIP*
>>>
>>>Since there are C++11 checks all over the code base I'd assume one can
>>>compile
>>>VTK in C++11 mode.
>>
>> With which compiler, standard library, and OS do you see this?
>>
>> My Rogue7 dashboard builds as C++11 nightly with clang on OS X, and this doesn't happen there.
>>
>> The patch looks reasonable, but this code is fragile, it took David Gobbi and I a while to get it working with all (mmmm, most!) compiler/library/OS/language combinations.
>>
>> I'm away on vacation, and have no VTK or compiler to look at this until next week, but maybe David can...
>>
>> Cheers,
>>
>> --
>> ____________________________________________________________
>> Sean McBride, B. Eng                 sean at rogue-research.com
>> Rogue Research                        www.rogue-research.com
>> Mac Software Developer              Montréal, Québec, Canada
>>
>>
> _______________________________________________
> Powered by www.kitware.com
>
> Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html
>
> Follow this link to subscribe/unsubscribe:
> http://www.vtk.org/mailman/listinfo/vtk-developers
>