Package: libhdf5-serial-dev
Version: all
Severity: wishlist
Tags: newcomer

Dear Debian HDF5 Maintainers,

I realized a long-standing problem with the different package versions
of hdf5 where I would like to propose a redesign of the dependencies for.

Basically, hdf5 compiled with --enable-parallel enables an *additional*
API for parallel reads&writes but at the same time *still provides* the
standard, serial API.

Still, most of the packages in Debian that depend on hdf5 are compiled

even if they would work perfectly fine when linked against the parallel
version (they would still only use the serial API).

That causes a user/developer that wants to use mpi parallel versions to
force-de-install packages and tools such as
  - hdf5view
  - hdf5-tools
  - h5py (btw: they also have a parallel API)
  - ...

Since the parallel API plainly expands the serial version and both
library versions should even be fully ABI compatible, I therefore suggest:

Let us list the packages
  - libhdf5-mpi/mpich/openmpi

as "Enhances" the serial versions of the packages.

Do you have any comments on that?

Thank you and all the best,
Axel Huebl

-- System Information:
Debian Release: 8.0
  APT prefers testing-updates
  APT policy: (500, 'testing-updates'), (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 3.16.0-4-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.utf8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages libhdf5-serial-dev depends on:
pn  libhdf5-dev  <none>

libhdf5-serial-dev recommends no packages.

libhdf5-serial-dev suggests no packages.

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