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[netCDF #RSG-712199]: Problems linking to NetCDF f90 interface

Hi Craig,

> I just built and installed version 4.4-beta1 of the Fortran 90 interface for 
> NetCDF on multiple systems.
> 
> My builds pass all built-in NetCDF tests on all 3 systems (make check | & tee 
> check.log).
> 
> An example program (pres_temp_4D_wr.f90) provided by NCAR (attached) builds 
> and runs fine on both my Mac laptop (OS X 10.7) and the SDSC Gordon linux 
> cluster.
> 
> However, the build fails on our local university linux cluster with errors 
> like the following:
> 
> ifort ${FFLAGS} -I${NETCDF}/include -L${NETCDF}/lib -lnetcdf -lnetcdff 
> pres_temp_4D_wr.f90 -o wr.exe

I think you need to have -lnetcdf *after* -lnetcdff, because the Fortran 
library calls
functions in the C library.

--Russ

> /tmp/ifortgqaUzq.o: In function `pres_temp_4d_wr_IP_writenetcdf_':
> pres_temp_4D_wr.f90:(.text+0x1292): undefined reference to 
> `netcdf_mp_nf90_create_'
> pres_temp_4D_wr.f90:(.text+0x131a): undefined reference to 
> `netcdf_mp_nf90_def_dim_'
> pres_temp_4D_wr.f90:(.text+0x1352): undefined reference to 
> `netcdf_mp_nf90_def_dim_'
> pres_temp_4D_wr.f90:(.text+0x1387): undefined reference to 
> `netcdf_mp_nf90_def_dim_'
> pres_temp_4D_wr.f90:(.text+0x13bc): undefined reference to 
> `netcdf_mp_nf90_def_dim_'
> pres_temp_4D_wr.f90:(.text+0x13f5): undefined reference to 
> `netcdf_mp_nf90_def_dim_'
> pres_temp_4D_wr.f90:(.text+0x151d): undefined reference to 
> `netcdf_mp_nf90_def_var_onedim_'
> pres_temp_4D_wr.f90:(.text+0x155d): undefined reference to 
> `netcdf_mp_nf90_def_var_onedim_'
> pres_temp_4D_wr.f90:(.text+0x1655): undefined reference to 
> `netcdf_mp_nf90_def_var_manydims_'
> pres_temp_4D_wr.f90:(.text+0x16d1): undefined reference to 
> `netcdf_mp_nf90_def_var_manydims_'
> pres_temp_4D_wr.f90:(.text+0x174d): undefined reference to 
> `netcdf_mp_nf90_def_var_manydims_'
> pres_temp_4D_wr.f90:(.text+0x178c): undefined reference to 
> `netcdf_mp_nf90_put_att_text_'
> pres_temp_4D_wr.f90:(.text+0x17cb): undefined reference to 
> `netcdf_mp_nf90_put_att_text_'
> pres_temp_4D_wr.f90:(.text+0x180a): undefined reference to 
> `netcdf_mp_nf90_put_att_text_'
> pres_temp_4D_wr.f90:(.text+0x1849): undefined reference to 
> `netcdf_mp_nf90_put_att_text_'
> pres_temp_4D_wr.f90:(.text+0x1888): undefined reference to 
> `netcdf_mp_nf90_put_att_text_'
> pres_temp_4D_wr.f90:(.text+0x18fe): undefined reference to 
> `netcdf_mp_nf90_enddef_'
> pres_temp_4D_wr.f90:(.text+0x198a): undefined reference to 
> `netcdf_mp_nf90_put_var_1d_fourbytereal_'
> pres_temp_4D_wr.f90:(.text+0x19cb): undefined reference to 
> `netcdf_mp_nf90_put_var_1d_fourbytereal_'
> pres_temp_4D_wr.f90:(.text+0x1cb3): undefined reference to 
> `netcdf_mp_nf90_put_var_text_'
> pres_temp_4D_wr.f90:(.text+0x1e02): undefined reference to 
> `netcdf_mp_nf90_put_var_3d_fourbytereal_'
> pres_temp_4D_wr.f90:(.text+0x1f47): undefined reference to 
> `netcdf_mp_nf90_put_var_3d_fourbytereal_'
> pres_temp_4D_wr.f90:(.text+0x2011): undefined reference to 
> `netcdf_mp_nf90_close_'
> pres_temp_4D_wr.f90:(.text+0x217c): undefined reference to 
> `netcdf_mp_nf90_strerror_'
> pres_temp_4D_wr.f90:(.text+0x2290): undefined reference to 
> `netcdf_mp_nf90_strerror_'
> pres_temp_4D_wr.f90:(.text+0x23a4): undefined reference to 
> `netcdf_mp_nf90_strerror_'
> pres_temp_4D_wr.f90:(.text+0x24b8): undefined reference to 
> `netcdf_mp_nf90_strerror_'
> pres_temp_4D_wr.f90:(.text+0x25cc): undefined reference to 
> `netcdf_mp_nf90_strerror_'
> /tmp/ifortgqaUzq.o:pres_temp_4D_wr.f90:(.text+0x26e0): more undefined 
> references to `netcdf_mp_nf90_strerror_' follow
> 
> The objects seem to be in the appropriate NetCDF library:
> 
> nm -A -g $NETCDF/lib/libnetcdff.a | grep netcdf_mp_nf90_create_
> /nethome/cmattock/usr/local/netcdf4/lib/libnetcdff.a:netcdf.o:00000000000002c0
>  T netcdf_mp_nf90_create_
> /nethome/cmattock/usr/local/netcdf4/lib/libnetcdff.a:netcdf.o:00000000000000a0
>  T netcdf_mp_nf90_create_mp_
> 
> nm -A -g $NETCDF/lib/libnetcdff.a | grep netcdf_mp_nf90_def_dim_
> /nethome/cmattock/usr/local/netcdf4/lib/libnetcdff.a:netcdf.o:0000000000000340
>  T netcdf_mp_nf90_def_dim_
> 
> etc.
> 
> I can compile the program:
> ifort -c ${FFLAGS} -I${NETCDF}/include pres_temp_4D_wr.f90
> 
> ls -l
> -rw-r--r-- 1 cmattock soden 15886 Aug  3 14:02 pres_temp_4D_wr.f90
> -rw-r--r-- 1 cmattock soden 38992 Aug  3 17:49 pres_temp_4D_wr.o
> 
> but I can't seem to link the object to the Fortran libraries.
> 
> What am I doing wrong? Any hints or suggestions?
> 
> Thank you!
> Craig
> 
> ---------------------------------------------------
> Dr. Craig A. Mattocks
> Atmospheric Research Scientist
> Meteorology and Physical Oceanography, MSC 339
> Rosenstiel School of Marine and Atmospheric Science
> University of Miami
> 4600 Rickenbacker Causeway
> Miami, FL 33149-1301
> phone: (305) 421-4287
> e-mail: address@hidden
> address@hidden
> http://www.rsmas.miami.edu/about-rsmas/
> ---------------------------------------------------
> 
> 

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



Ticket Details
===================
Ticket ID: RSG-712199
Department: Support netCDF
Priority: Normal
Status: Closed