[Insight-developers] itk/gdcm build errors on Fedora 12

[Arnaud GELAS]

Kent,

Thanks for your explanations! 

Arnaud

On Thu, 2009-11-19 at 15:57 -0500, kent williams wrote:
> I know why the problem is happening, but I'm not sure how to fix it for
> Arnaud.
> 
> Betweeen Fedora Core 11 and Fedora Core 12, they started using the OSSP
> library for UUID management.
> 
> http://www.ossp.org/pkg/lib/uuid/
> 
> The OSSP dudes decided that it would be better if the UUID type was opaque,
> which is "Good Software Engineering." If you use this library, instead of
> doing this:
> 
> uuid_t g;
> uuid_generate(g)
> 
> You do this:
> 
> uuid_t *g;
> uuid_create(&g);
> 
> Now the unfortunate thing for Arnaud -- and any other Fedora Core 12 users
> with the crazy idea they might use ITK -- is that there's a DIFFERENT uuid
> API apparently that has a function with this signature:
> 
> uuid_i g;
> uuid_rc_t t;
> uuid_create(&g,&rv);
> 
> Which means basically if you use Fedora Core 12, or any other system that
> has adopted OSSP UUID as its uuid library, you're screwed.
> 
> At any rate GDCM 1.x is never going to work with this library without some
> hacking because it assumes that it can always generate a UUID and that it
> will fit in a 16 byte character array.  OSSP doesn't really help out much
> there -- I see no function that will give you a UUID as a 16 byte array.
>