Bug#793976: ruby-netcdf: FTBFS with netcdf in experimental / update to 0.7.1

[Bas Couwenberg]

Package: ruby-netcdf
Version: 0.6.6-2
Severity: normal
User: debian-gis at lists.debian.org
Usertags: netcdf-split-c-f-cxx

Hi Youhei,

We're preparing for the upcoming netcdf transition which will update from
NetCDF 4.1.3 to 4.4.0 and its new lanuague specific releases (NetCDF
C++4 4.2.1, Netcdf C++ legacy 4.2 & NetCDF Fortran 4.4.2).

ruby-netcdf (0.6.6-2) FTBFS with these new netcdf packages in experimental:

 checking for netcdf.h... yes
 checking for main() in -lnetcdf... no
 *** extconf.rb failed ***
 Could not create Makefile due to some reason, probably lack of necessary
 libraries and/or headers.  Check the mkmf.log file for more details.
 You may
 need configuration options.

The full build log is attached.

Just specifying the Multi-Arch library path with the following is not
sufficient to resolve main() check failure:

 override_dh_auto_configure:
 	dh_auto_configure -- \
 		--with-netcdf-include=/usr/include \
 		--with-netcdf-lib=/usr/lib/$(DEB_HOST_MULTIARCH)

While looking into this build failure I noticed that your ruby-netcdf
package limits checks for new upstream releases to the 0.6.x versions,
which excludes the recent 0.7 & 0.7.1 upstream releases.

The RubyNetCDF 0.7.x releases contain improvements for NetCDF-4 support
which is very relevant for upcoming netcdf transition.

Are there good reasons to stick to the 0.6 releases, and would you
object to removing the version constraint in the watch file?

I'd like to update the ruby-netcdf package to the latest upstream
release and upload it to experimental along with the other new netcdf
package.

It may be that the new upstream release is not sufficient either, and
that the new NetCDF built only with the HDF5 MPI variant cause the
incompatibility with ruby-netcdf.

Kind Regards,

Bas
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