Undefined symbols for architecture x86_64 error on fortran compiling

[Davor Cubranic]

I think ifort is intel's fortran compiler. I'm not sure what it's got to do with MacPorts either. (Or why the executable being produced has the ".exe" extension.)

Davor

> On Dec 11, 2013, at 8:20 AM, Christopher Jones <jonesc at hep.phy.cam.ac.uk> wrote:
> 
> Hi,
> 
> Where is this ‘ifort’ coming from ? A Macports package or elsewhere ? From the messages below, I am not sure I see what this has to do with MacPorts ?
> 
> Chris
> 
>> On 11 Dec 2013, at 5:13pm, zhifeng yang <yangzf01 at gmail.com> wrote:
>> 
>> Here is the whole command to compile this fortran code with error
>> 
>> ifort -o wrf.exe -openmp -fpp -auto -O3 -ip -fp-model precise -w -ftz -align all -fno-alias -FR -convert big_endian   -ip -Wl,-stack_addr,0xF10000000 -Wl,-stack_size,0x64000000 -m64   wrf.o ../main/module_wrf_top.o libwrflib.a /Users/bruce/Documents/A/model/WRFChem/WRFChem3_5_1/WRFV3/external/fftpack/fftpack5/libfftpack.a /Users/bruce/Documents/A/model/WRFChem/WRFChem3_5_1/WRFV3/external/io_grib1/libio_grib1.a /Users/bruce/Documents/A/model/WRFChem/WRFChem3_5_1/WRFV3/external/io_grib_share/libio_grib_share.a /Users/bruce/Documents/A/model/WRFChem/WRFChem3_5_1/WRFV3/external/io_int/libwrfio_int.a -L/Users/bruce/Documents/A/model/WRFChem/WRFChem3_5_1/WRFV3/external/esmf_time_f90 -lesmf_time /Users/bruce/Documents/A/model/WRFChem/WRFChem3_5_1/WRFV3/external/RSL_LITE/librsl_lite.a /Users/bruce/Documents/A/model/WRFChem/WRFChem3_5_1/WRFV3/frame/module_internal_header_util.o /Users/bruce/Documents/A/model/WRFChem/WRFChem3_5_1/WRFV3/frame/pack_utils.o  -L/Users/bruce/Documents/A/model/WRFChem/WRFChem3_5_1/WRFV3/external/io_netcdf -lwrfio_nf -L/opt/local/lib -lnetcdff -lnetcdf
>> Undefined symbols for architecture x86_64:
>>   "_module_data_soa_vbs_mp_ccofm_", referenced from:
>>       _module_aerosols_soa_vbs_mp_nuclcond_ in libwrflib.a(module_aerosols_soa_vbs.o)
>>       _module_aerosols_soa_vbs_mp_aerosols_soa_vbs_init_ in libwrflib.a(module_aerosols_soa_vbs.o)
>>   "_module_data_soa_vbs_mp_ccofm_org_", referenced from:
>>       _module_aerosols_soa_vbs_mp_nuclcond_ in libwrflib.a(module_aerosols_soa_vbs.o)
>>       _module_aerosols_soa_vbs_mp_aerosols_soa_vbs_init_ in libwrflib.a(module_aerosols_soa_vbs.o)
>>   "_module_data_soa_vbs_mp_cw_phase_", referenced from:
>>       _module_aerosols_soa_vbs_mp_modpar_ in libwrflib.a(module_aerosols_soa_vbs.o)
>>       _module_aerosols_soa_vbs_mp_modpar_..0 in libwrflib.a(module_aerosols_soa_vbs.o)
>> 
>> Thank you
>> Bruce
>> 
>>> On Dec 11, 2013, at 10:09 AM, zhifeng yang <yangzf01 at gmail.com> wrote:
>>> 
>>> Here is the whole error
>>> 
>>> Undefined symbols for architecture x86_64:
>>>   "___kmpc_end_master", referenced from:
>>>       _wrf_message_ in module_wrf_error.o
>>>       _wrf_message2_ in module_wrf_error.o      _wrf_check_error_ in module_wrf_error.o      _wrf_error_fatal_ in module_wrf_error.o      _wrf_error_fatal3_ in module_wrf_error.o
>>>   "___kmpc_global_thread_num", referenced from:
>>>       _wrf_message_ in module_wrf_error.o
>>>       _wrf_message2_ in module_wrf_error.o
>>>       _wrf_check_error_ in module_wrf_error.o
>>>       _wrf_error_fatal_ in module_wrf_error.o
>>>       _wrf_error_fatal3_ in module_wrf_error.o
>>>       _module_wrf_error._ in module_wrf_error.o
>>>   "___kmpc_master", referenced from:
>>>       _wrf_message_ in module_wrf_error.o
>>>       _wrf_message2_ in module_wrf_error.o
>>>       _wrf_check_error_ in module_wrf_error.o
>>>       _wrf_error_fatal_ in module_wrf_error.o
>>>       _wrf_error_fatal3_ in module_wrf_error.o
>>> ld: symbol(s) not found for architecture x86_64
>>> make[2]: [diffwrf] Error 1 (ignored)
>>> 
>>> Actually the code is fine, no error in the code. Because it’s from WRF committee. I guess the reason that I get the error is from compiler or its flags. But I am not sure currently.
>>> 
>>> Thank you
>>> Bruce
>>> 
>>>> On Dec 11, 2013, at 10:06 AM, Ryan Schmidt <ryandesign at macports.org> wrote:
>>>> 
>>>> 
>>>>> On Dec 11, 2013, at 01:40, Gmail wrote:
>>>>> 
>>>>> When I compile a fortran code, I got the error 
>>>>> Undefined symbols for architecture x86_64
>>>>> 
>>>>> My mac is 64bits. The fortran compiler used here is ifort.
>>>> 
>>>> The relevant information would be *what* symbols were undefined, what your code looks like, and where those symbols are actually defined.
>> 
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