Hi Brad,

Duplicate exports may be an issue.  See, e.g.,

  https://issues.itk.org/jira/browse/ITK-2796

Matt

On Mon, Jun 3, 2013 at 2:54 PM, Bradley Lowekamp <[email protected]> wrote:
> Matt,
>
> What would be the issue with that?
>
> Brad
>
> On Jun 3, 2013, at 10:44 AM, Matt McCormick <[email protected]> 
> wrote:
>
>> Hi Brad,
>>
>> I think many of the third party libraries that the ImageIO modules
>> depend on are not set up for shared libraries on Windows.
>>
>> Thanks,
>> Matt
>>
>> On Mon, Jun 3, 2013 at 2:26 PM, Bradley Lowekamp <[email protected]> 
>> wrote:
>>> Hello,
>>>
>>> What are the possible problem what we will encounter if we convert ITK's 
>>> ImageIO modules to be shared libraries on Windows? And manage the gcc 
>>> exported symbols why we are at it?
>>>
>>> Performing the factory registration of ImageIO factory objects during 
>>> static initialization in static libraries is fill with problems and tricky 
>>> behaviors and is problematic for large applications to manage. By making 
>>> these libraries shared the ImageIO factory objects should be unique and 
>>> consistent across different libraries which use ITK, so that they will not 
>>> get registered multiple times. Additionally, by explicitly specifying the 
>>> exported symbols on gcc this should help to reduce the library size.
>>>
>>> Thanks for you thoughts,
>>> Brad
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