Dave
Thanks for your help. I made simple Fortran programs and it is going
well.
I made you simple test program but I had this statement
"Fatal Error: netcdftest.f90, line 2: /usr/include/netcdf.mod is not a
valid module information file
detected at NETCDF@<end-of-statement>"
Thanks
Mohamed Ali
malibec2005@xxxxxxxxx
Mob 00447912033240
SChEME Department
Faculty of Engineering
University of Nottingham
Nottingham (NG7 2RD) UK
Fax: 0044(0)115 951 4115
-----Original Message-----
From: netcdfgroup-bounces@xxxxxxxxxxxxxxxx
[mailto:netcdfgroup-bounces@xxxxxxxxxxxxxxxx] On Behalf Of Dave Allured
Sent: Monday, November 10, 2008 8:52 PM
To: netcdfgroup@xxxxxxxxxxxxxxxx
Subject: Re: [netcdfgroup] netcdf
Mohamed,
The statement "use netcdf" goes into your fortran 90 program below the
program or subroutine or function statement, and above "implicit none".
You should study and understand Fortran 90 modules before working on
this program.
See if you can get this simple test program to compile and run:
program netcdf_version
use netcdf
print *, trim(nf90_inq_libvers())
end
The compile command should look something like this:
f90 netcdf_version.f90 -I/usr/include -L/usr/lib64 -lnetcdf
where the include directory contains the file netcdf.mod.
Is there any chance that you have old Fortran 77 code that somehow got
renamed to ".f90" without complete conversion to Fortran 90?
--Dave
Mohamed Mohamed wrote:
>
> Dave,
>
> Thanks, I think it is may be the solution. However I am still a
> beginner in the Linux. So please could you tell me what to do.
>
>
> You said " I suspect that you need to add this to the top of each
> program unit that has Netcdf calls:
>
> use netcdf " My question is how ?
>
> Find below a long part of the error. Please have a look.
>
> f_ts.o vdif_uv.o vertvl_edge.o water_depth.o wreal.o ghostuv.o dens3.o
> init_sed.o advave_edge_gcy.o advection_edge_gcy.o adv_uv_edge_gcy.o
> bcond_gcy.o shape_coef_gcy.o depth_check.o vdif_ts_gom.o adjust_ts.o
> shutdown_check.o extelpf_edge.o fct_q2.o fct_q2l.o viscofh.o
> print_vals.o rho_mean.o viz.o -L/usr/lib64 -lnetcdf
> mod_ncdio.o: In function `__mod_ncdio__handle_ncerr':
> mod_ncdio.f90:(.text+0x125): undefined reference to
> `__netcdf__nf90_strerror'
> mod_ncdio.o: In function `__mod_ncdio__putvar':
> mod_ncdio.f90:(.text+0x11e4): undefined reference to
> `__netcdf__nf90_put_var_2d_fourbytereal'
<snip many messages>
> Thanks
>
> Mohamed Ali
> malibec2005@xxxxxxxxx
> Mob 00447912033240
>
> SChEME Department
> Faculty of Engineering
> University of Nottingham
> Nottingham (NG7 2RD) UK
> Fax: 0044(0)115 951 4115
>
> -----Original Message-----
> From: netcdfgroup-bounces@xxxxxxxxxxxxxxxx
> [mailto:netcdfgroup-bounces@xxxxxxxxxxxxxxxx] On Behalf Of Dave
> Allured
> Sent: Thursday, November 06, 2008 5:50 PM
> To: netcdfgroup@xxxxxxxxxxxxxxxx
> Subject: Re: [netcdfgroup] netcdf
>
> Mohamed,
>
> These are missing library symbol errors. I suspect that you need to
> add this to the top of each program unit that has Netcdf calls:
>
> use netcdf
>
> This is because the Netcdf Fortran 90 interface uses modules. You
> can't properly link to the Netcdf F90 library without this
declaration.
>
> For diagnosis, your program is trying to link to this:
>
> __netcdf__nf90_open
>
> But with a correct "use" statement it should be seeking a symbol named
> something like this (the name change may vary by compiler and
> platform):
>
> ___netcdf_MOD_nf90_open
>
> I might be wrong about all of this if you are on a platform or
> compiler that uses Fortran 90 linking conventions much different than
> what I am familiar with. If "use" doesn't fix it, then please provide
> identification and version info for your platform, compiler, and
> netcdf version.
>
> Dave Allured
> CU/CIRES Climate Diagnostics Center (CDC)
> http://cires.colorado.edu/science/centers/cdc/
> NOAA/ESRL/PSD, Climate Analysis Branch (CAB) http://www.cdc.noaa.gov/
>
> Mohamed Mohamed wrote:
>> I worked with FVCOM software. When I started to get netcdf output
>> type
>
>> I received the following error:
>>
>> mod_lag.f90:(.text+0x89f6): undefined reference to
>> `__netcdf__nf90_put_att_text'
>> mod_lag.f90:(.text+0x8a1e): undefined reference to
>> `__netcdf__nf90_put_att_text'
<snip many messages>
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