Setting up a proper modelling environment in Cygwin

[Marco Atzeri]

On 12.09.2020 07:39, Brian Inglis wrote:
> On 2020-09-11 08:59, Marco Atzeri via Cygwin wrote:
>> On 11.09.2020 04:37, Lawrence Bernardo via Cygwin wrote:
>>> Dear Cygwin users and developers,
>>>
>>> I am trying to run some models based on the ROMS ocean modeling system. And
>>> although I mainly run such models on Linux supercomputing systems, I
>>> sometimes use Cygwin to make test runs. However, whenever I install Cygwin
>>> on a new PC, I often find that my set up on an older PC I had been using
>>> doesn't work properly. After looking deeper into the issues, it seems that
>>> proper compilation requires that the same fortran compiler (gfortran in
>>> this case) be used to compile the necessary components.
>>>
>>> And as far as I understand, these components would mainly be:
> 
>>> - netcdf-fortran
> 
>>> As the gfortran compiler version number used for these different components
>>> is not indicated whenever I run cygwin setup-x86_64.exe, I am left to guess
>>> which version numbers for each to select. Of course, another option would
>>> be to accept the defaults for some components, and then compile my own
>>> version of say, netcdf, but this attempt almost always fails, and I'm not
>>> sure if this is due to conflicts with the already existing cygwin setup.
>>>
>>> Given the issues above, would anyone have any suggestions or
>>> recommendations on how to best achieve the setup I would like to have? I
>>> will greatly appreciate any help.
> 
>> netcdf-fortran needs a rebuild
>>
>> $ zcat /usr/include/netcdf.mod | head -n 1
>> GFORTRAN module version '14' created from netcdf4.f90
> 
> Worse, setup.ini somehow now contains component package netcdf-fortran-debuginfo
> but not netcdf-fortran itself!
> 

of course they are called a bit differently


libnetcdf-fortran-devel                 4.5.2-1
libnetcdf-fortran_7                     4.5.2-1