[ncl-talk] installing ncl on Debian Linux 10

[Gus Correa]

Hi Francesco

Have you checked if your Debian distribution has a "compat" (compatibility)
package for gfortran/libgfortran
between libgfortran.5 and libgfortran.3 ?
Apt-get may have a way to check if it is available.
I don't use Debian, but CentOS-7, which has an older kernel and older
libraries.
However, I have libgfortran.3 along with a "compat" package that provides
compatibility with libgfortran.1, for example.

An alternative is to install NCL using Anaconda Python.
This is currently the recommended method (argh!):
https://www.ncl.ucar.edu/Download/
That is self-contained, doesn't depend on the system libraries.
In my experience it has other problems, particularly a sensitive dependency
on other Anaconda Python packages
that change by the hour, and don't give a damn to backward compatibility,
which can easily break functionality.
So, if you install this way, be careful with any conda packages updates, or
simply don't update.

I hope this helps,
Gus Correa

On Sun, Apr 19, 2020 at 5:25 PM Francesco Trotta via ncl-talk <
ncl-talk at ucar.edu> wrote:

> Dear ncl team
>     I upgraded my operating system to Debian GNU/Linux 10 buster
>
>     This new Debian has GNU Fortran (Debian 8.3.0-6) 8.3.0 installed
>
>     Now, when I run ncl it gives me the error:
>    ncl: error while loading shared libraries: libgfortran.so.3: cannot
> open shared object file: No such file or directory
>
>    The new Debian has libgfortran.so.5
>
>    /usr/lib/x86_64-linux-gnu/libgfortran.so.5
>
>     so I upgraded ncl using to the last precompiled binary
>
> ncl_ncarg-6.6.2-Debian9.8_64bit_nodap_gnu630.tar.gz
>
>     bu I got the same error.
>
>     I can I use ncl in Debian 10?
>
> Many Thanks
> Francesco
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