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Re: [DebianGIS] HDF5 changes

On Fri, Mar 13, 2009 at 10:16:37PM +0100, Francesco P. Lovergine wrote:
> In the incoming weeks HDF5 libraries should also be updated. As you
> could already known HDF Group is supporting both 1.6 (legacy) and 
> the new 1.8 series, which are not full compatible each other. 
> Applications that currently supports HDF5 1.6
> could need a source update as detailed in
> http://www.hdfgroup.org/HDF5/faq/bkfwd-compat.html for both some
> structures and API functions.
> My own idea is migrating hdf5 source package to 1.8.2 and simply
> drop 1.6 support. The new package will be available for a while 
> in the experimental staging area, before uploading to unstable.
> Of course, you should check in the meantime if your source
> package needs updating and possibly provide a patch. 
> If you had problems with this updating plan, please give 
> a feedback as soon as possibile.
> Note that HDF5 1.8.1+ is a pre-requisite for NetCDF-4, so a
> new transition will need to be considered on that side 
> in a not so far future.

Some clarifications: I mean that the 1.6 legacy libraries will be dropped,
but the 1.8 will be used in compatibility mode anyway.


The _default_ profile will be choosen at compile time, which will provide
1.6 as default API, with 1.8 available by explicit call.


Francesco P. Lovergine

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