Bug#699155: hdf5: dependencies can be satisfied interchangeably with libraries providing different ABIs

[Julien Cristau]

On Mon, Jan 28, 2013 at 11:04:09 +0100, Ana Guerrero wrote:

> 
> Package: src:hdf5
> Version: 1.8.8-9
> Severity: serious
> 
> In Squeeze there are two virtual packages libhdf5-1.8 and libhdf5-1.8.4, that
> allow to install either libhdf5-serial-1.8.4, libhdf5-openmpi-1.8.4,
> libhdf5-mpich-1.8.4 or libhdf5-lam-1.8.4 to satisfy the dependency on
> libhdf5-1.8.4. (Usually packages are depending on: libhdf5-serial-1.8.4 | libhdf5-1.8.4)
> 
> In Wheezy those libraries are not longer ABI compatible, therefore
> the serial version was renamed libhdf5-7 and also the packages of the others
> versions, for example libhdf5-openmpi-7, has a provides line:
> Provides: libhdf5-1.8, libhdf5-7
> 
> So you can install for example, r-cran-hdf5 and it will install by default
> the serial version (libhdf5-7), but you can also install it at the
> same time than libhdf5-openmpi-7 (or you might have it installed already)
> and then you will get it installed with the openMPI version despite being built
> against the serial version, that as said isn't ABI compatible.
> 
do you have pointers/details about that ABI incompatibility?  I'm pretty
sure I looked through exported symbols and headers from hdf5 a year ago,
and didn't see anything that would break when building against the
serial version and running against openmpi, but I may have missed
something.

Cheers,
Julien
-- 
Julien Cristau          <julien.cristau at logilab.fr>
Logilab		        http://www.logilab.fr/
Informatique scientifique & gestion de connaissances