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[Support #DEQ-976256]: Building NetCDF with MPI and RAMS60 with GNU compilers

Hi Stephan,

Sorry to have taken so long to respond to your posting.

> At the request of two researchers I was asked to build MPI enabled RAMS60
> (www.atmet.com) that uses hdf5, netcdf and ncarg libraries etc.
> The base build instructions used were those for the NCARG Graphics v5.1.1
> After several attempts I have been able to build RAMS60. There were two
> major hurdles one in NetCDF and the other in RAMS60 and they relate to the
> gcc & gfortran the version which is 4.3.3.
> The build of NetCDF has various emails etc to use a defined macro
> -Df2cFortran in the CPPFLAGS for the GNU compilers and flags -ff2c for the
> fortran compilers. To work and pass all tests it MUST be -DpgiFortran and
> the -ff2c option is not to be used.
> I suspect this is due to the much improved Fortran90 GNU compiler as in
> building RAMS60 some external functions are now internal gfortran.
> RAMS had a similar problem in that it recommended a -DRAMS_MPI macro but
> the build worked by changing the compiler from gfortran to mpif90 and gcc
> to mpicc and ignoring the -DRAMS_MPI macro.
> I could supply all the build scripts if you think it necessary.

Thanks very much for this information.  I will store your posting in our 
collection of netCDF support responses so that future users of RAMS60 can easily
find it via Google or other search engines.


Russ Rew                                         UCAR Unidata Program
address@hidden                      http://www.unidata.ucar.edu

Ticket Details
Ticket ID: DEQ-976256
Department: Support netCDF
Priority: Critical
Status: Closed

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