Bug#794040: vtk6: Build dependency on libnetcdf-cxx-legacy-dev required for netcdf transition

[Bas Couwenberg]

Package: vtk6
Version: 6.2.0+dfsg1-1
Severity: normal
Tags: patch
User: debian-gis at lists.debian.org
Usertags: netcdf-split-c-f-cxx

Dear Maintainer,

For the upcoming netcdf transition your package needs a build dependency
on libnetcdf-cxx-legacy-dev to build successfully with the netcdf
packages in experimental.

The attached patch adds the build dependency for vtk6 (6.2.0+dfsg1-1).

Since NetCDF 4.3.3.1 the upstream developers have split the project into
language specific releases, the netcdf Debian package has likewise split
into language specific source packages:

┌─────────────────────┬───────────────────┬──────────────────────────┐
│ NetCDF project      │ Source package    │ -dev package             │
├─────────────────────┼───────────────────┼──────────────────────────┤
│ NetCDF-C            │ netcdf            │ libnetcdf-dev            │
│ NetCDF C++ (cxx4)   │ netcdf-cxx        │ libnetcdf-c++4-dev       │
│ NetCDF C++ (legacy) │ netcdf-cxx-legacy │ libnetcdf-cxx-legacy-dev │
│ NetCDF-Fortran      │ netcdf-fortran    │ libnetcdff-dev           │
└─────────────────────┴───────────────────┴──────────────────────────┘

The netcdf-cxx provides the new NetCDF 4 C++ API in libnetcdf_c++4.so.1,
and netcdf-cxx-legacy the legacy NetCDF 3 C++ API in libnetcdf_c++.so.4.

For more information about the different NetCDF C++ APIs, see:
http://www.unidata.ucar.edu/downloads/netcdf/netcdf-cxx/index.jsp

Kind Regards,

Bas
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