[netcdfgroup] Nf-config reports wrong location for module files

• To: NetCDF Mailing List <netcdfgroup@xxxxxxxxxxxxxxxx>
• Subject: [netcdfgroup] Nf-config reports wrong location for module files
• From: Mark Hadfield <Mark.Hadfield@xxxxxxxxxx>
• Date: Wed, 7 Dec 2016 01:58:55 +0000

Hello folks

This is arguably a problem with my Linux distribution, or with my expectations 
of nf-config, but I think the netCDF list is probably the best place to raise 
it.

Having compiled and built the ROMS ocean model from source on numerous 
platforms over the years, I am now attempting to do so on a CenTOS Linux 
machine on my desktop, and am running into a problem I have not encountered 
before (and I have encountered many!). I have CenTOS 7.1 with up-to-date 
netcdf, netcdf-devel, netcdf-fortran and netcdf-fortran-devel packages, as well 
as all the dependencies found by the package manager (yum).

The ROMS build system finds the netCDF files it needs using the output of 
nf-config. One of the things done by the make files is to copy the netCDF 
Fortran-90 module files, netcdf.mod and typesizes.mod, to the working directory 
for compilation. It looks for these in the directory specified by the output of 
“nf-config –includedir”, which on this system is /usr/include. However the 
netCDF module files are not there, they are in /usr/lib64/gfortran/modules.

nf-config appears to have no option to print the location of the module files. 
Should it have such an option? Or should applications not ask for this 
information? I presume (though I haven’t checked) that gFortran would find the 
module files in their present location without having to copy them.

Mark

Dr Mark Hadfield
Marine Physics Modeller

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