[Insight-users] Linker conflicts from GDCM in ITK

[Patrick D. Emond]

Thanks for the suggestions, I'm using GDCM 2.x now and everything works 
fine.

- Patrick

Mathieu Malaterre wrote:
> Patrick,
> 
>   [Sorry for duplicate emails, I forgot to CC the ML]
> 
> On Wed, Oct 15, 2008 at 9:25 PM, Patrick D. Emond
> <patrickdemond at gmail.com> wrote:
>> Hello,
>>
>> I've been running into a problem linking to both ITK (which was built using
>> the internal GDCM code) and an external build of GDCM in the same project.
>>
>> I tried a few things to fix this:
>>
>> 1) compile ITK using the external GDCM library
>>
>>  - this fails because the version of CVS version of GDCM that I'm using
>> doesn't seem to be compatible with ITK
> 
> Don't use the CVS version of GDCM, take the latest gdcm 1.2.4 (from
> sf.net for example)
> 
> https://sourceforge.net/project/showfiles.php?group_id=137895&package_id=151454&release_id=603165
> 
>> 2) use a different namespace in my GDCM build
>>
>>  - there are still some name collisions that occur
>>
>> 3) only use ITK's GDCM instead of an external one
>>
>>  - this doesn't work since I need to build the VTK extensions to GDCM which
>> are not present in ITK's GDCM source tree
> 
> That's not too hard, isn't it :)
> Just copy the vtk directory from a gdcm 1.2.4 tarball, or install the
> gdcm 1.2.4 as the gdcm installed version.
> 
>> 4) remove all GDCM code from ITK
>>
>>  - this works since I'm not using ITK's GDCM capabilities, but it's not a
>> good solution since I'd rather not have to maintain the custom changes to
>> ITK I've had to make for this to be possible
> 
> I do not understand this one.
> 
>> Any idea how I can get around this problem?
>>
>> Patrick
>>
>> (Building static release builds using NMake version 8 on Windows XP)
> 
> Another approach, if you are looking for a much better DICOM handling
> from VTK is to directly switch to gdcm 2.x and the following should
> work out of the box:
> 
> Installed VTK 5.2
> Installed gdcm 2.x (from trunk, or gdcm 2.0.10 when it comes out) +
> GDCM_USE_VTK:ON
> ITK from CVS HEAD with ITK_USE_SYSTEM_GDCM:ON
> 
> 2cts