[Insight-developers] gcc 4.6 bug

[Luis Ibanez]

I agree with Bill.

We use the construction

     const unsigned int K = n;

      itk::Image< PixelType, K >


in many, many places...

We can wait for gcc 4.6 to be fixed.


    Luis


--------------------------------------------------------------
On Mon, Apr 18, 2011 at 7:45 AM, Bill Lorensen <bill.lorensen at gmail.com> wrote:
> If it is a known bug in the compile, I say we wait until they patch
> the compiler.
>
> On Mon, Apr 18, 2011 at 7:41 AM, David Doria <daviddoria at gmail.com> wrote:
>> There is a bug in gcc > 4.6
>> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48657
>>
>> Which does not allow you to use a const variable as a template
>> parameter. The following (from
>> itkBSplineDeformableTransformTest2.cxx):
>>
>>  const     unsigned int   ImageDimension = 2;
>>  typedef   itk::Image< PixelType, ImageDimension >   MovingImageType;
>>
>> produces 'could not convert template argument ImageDimension to unsigned int'
>>
>> It works fine if you change it to:
>>
>>  typedef   itk::Image< PixelType, 2>   FixedImageType;
>>
>> The only place we run into this problem is with Testing. The core ITK
>> builds fine with the small patch I pushed to Gerrit yesterday.
>>
>> How do we handle this? Just wait until the gcc bug gets fixed? Or
>> change all of these cases (which there don't seem to be many of) and
>> then change them back later?
>>
>> David
>> _______________________________________________
>> Powered by www.kitware.com
>>
>> Visit other Kitware open-source projects at
>> http://www.kitware.com/opensource/opensource.html
>>
>> Kitware offers ITK Training Courses, for more information visit:
>> http://kitware.com/products/protraining.html
>>
>> Please keep messages on-topic and check the ITK FAQ at:
>> http://www.itk.org/Wiki/ITK_FAQ
>>
>> Follow this link to subscribe/unsubscribe:
>> http://www.itk.org/mailman/listinfo/insight-developers
>>
> _______________________________________________
> Powered by www.kitware.com
>
> Visit other Kitware open-source projects at
> http://www.kitware.com/opensource/opensource.html
>
> Kitware offers ITK Training Courses, for more information visit:
> http://kitware.com/products/protraining.html
>
> Please keep messages on-topic and check the ITK FAQ at:
> http://www.itk.org/Wiki/ITK_FAQ
>
> Follow this link to subscribe/unsubscribe:
> http://www.itk.org/mailman/listinfo/insight-developers
>