[vtk-developers] Building VTK against llvm's libc++

[Sean McBride]

On Tue, 26 Feb 2013 11:11:06 -0500, Sean McBride said:

>On Mon, 25 Feb 2013 15:46:55 -0500, Kyle Lutz said:
>
>>That's because there is no such function with the signature:
>>
>>operator<<(ostream&, ostream&)
>>
>>In fact, I'm not even sure what such a function would do. Commenting
>>out that line in vtkOStreamWrapper.h/cxx fixes the error.
>
>Removing that line and rebuilding with libstdc++ does indeed work, but
>with libc++ I get a perhaps-related error:
>
>VTK/Rendering/Core/vtkGenericVertexAttributeMapping.cxx:89:7: error:
>invalid operands to binary expression ('vtkOStreamWrapper' and
>'std::ostringstream'
>      (aka 'basic_ostringstream<char>'))
>      << attributeName);
>      ^  ~~~~~~~~~~~~~
>VTK/Common/Core/vtkSetGet.h:477:35: note: expanded from macro
>'vtkWarningMacro'
>   vtkWarningWithObjectMacro(this,x)
>                                  ^
>VTK/Common/Core/vtkSetGet.h:525:22: note: expanded from macro
>'vtkWarningWithObjectMacro'
>            << "): " x << "\n\n";                               \
>                     ^
>
>From this code:
>
>void vtkGenericVertexAttributeMapping::AddMapping(
>  int unit, const char* arrayName, int fieldAssociation,
>  int component)
>{
>  vtksys_ios::ostringstream attributeName;
>  attributeName << unit;
>
>  if (this->RemoveMapping(attributeName.str().c_str()))
>    {
>    vtkWarningMacro("Replacing existing mapping for attribute "
>      << attributeName.str().c_str());
>    }
>...
>
>Changing "attributeName" to "attributeName.str().c_str()" fixes it.  Is
>that an appropriate change?

Reviving on old thread...

I just tried building VTK against llvm libc++ again, and this error is still there.

Does the following seem correct:
<http://review.source.kitware.com/12104>

Cheers,

-- 
____________________________________________________________
Sean McBride, B. Eng                 sean at rogue-research.com
Rogue Research                        www.rogue-research.com 
Mac Software Developer              Montréal, Québec, Canada