[Insight-developers] Warning - possible candidate for noreturn attribute

[Mathieu Coursolle]

Hi,

I believe there is, 
but I want that warning to appear for my project.

The warning appears when I build my project, but it comes
from ITK code.

Thanks.

Mathieu

>Mathieu,
> 
>Is there a compiler flag to suppress that warning?
> 
>Bill
>
> 
>On 3/19/07, Mathieu Coursolle <mcoursolle at rogue-research.com> wrote:
>Hi,
>
>I currently use ITK in a XCode project on Mac OSX.
>When I include some ITK headers, I get the following 
>warning:
>
>/Common/itkImageSource.txx: In member function 'void
>itk::ImageSource<TOutputImage>::ThreadedGenerateData(const typename
>TOutputImage::RegionType&, int) [with TOutputImage = ITK2DImage]': 
>/Common/itkImageSource.txx:244: warning: function might be possible
>candidate for attribute 'noreturn'
>
>This is cause by the fact that the implementation of ThreadedGenerateData
>from itkImageSource (base class) just throws an exception, so it does 
>not return.
>
>//----------------------------------
------------------------------------------
>// The execute method created by the subclass.
>template <class TOutputImage>
>void
>ImageSource<TOutputImage> 
>::ThreadedGenerateData(const OutputImageRegionType&,
>                      int)
>{
>itkExceptionMacro("subclass should override this method!!!");
>}
>
>I can remove that warning by changing the function prototype to use the 
>noreturn
>attribute:
>
>virtual
>void ThreadedGenerateData(const OutputImageRegionType&
>outputRegionForThread,
>                           int threadId )
>__attribute__ ((noreturn));
>
>However, I believe that the noreturn attribute is not defined on all 
>compilers.
>
>Any suggestion to get rid of that warning?
>
>Thank you.
>
>Mathieu
>
>--
>____________________________________________________________
>Mathieu Coursolle                   mcoursolle at rogue-research.com
>Rogue Research                      www.rogue-research.com
>Montréal, Québec, Canada
>
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