Re: [AMBER] problems with NAB and SHIFTS

From: Jakob Toudahl Nielsen <>
Date: Tue, 15 Jun 2010 20:16:20 +0200

gfortran is installed, running test for nab leads to the same error
messages corcerning lgfortran:

/usr/bin/ld: cannot find -lgfortran
collect2: ld returned 1 exit status
cc failed!

sorry, this problem might be easy for an experienced linux user... but
my guess would be that it does not know where to find gfortran - it is
installed in:


what can I do to fix this?

OS: CentOS 4.7 Linux 64 bit


Citing case <>:

> On Tue, Jun 15, 2010, Jakob Toudahl Nielsen wrote:
>> nab -o shifts shifts.o shifts_emp.o ring_current.o get_banis_info.o
>> plane.o read_obs_shifts.o ax_susc.o sbcoil.o swap_shifts.o
>> get_pep_info.o get_sugar_info.o get_chi_info.o el.o get_dist_ang.o
>> write_headers.o get_vdwa.o shifts_qdb.o
>> /usr/bin/ld: cannot find -lgfortran
> Do you have gfortran installed on your machine? (You will need this.)
> Did the nab test cases in AmberTools pass? It might help to know what OS
> you are using.
> ....dac
> _______________________________________________
> AMBER mailing list

Jakob Toudahl Nielsen, post doc
Laboratory for Biomolecular NMR Spectroscopy
inSPIN, Center for Insoluble Protein Structures
Department of Chemistry, University of Aarhus
Langelandsgade 140, DK-8000 Aarhus C, Denmark
Phone: +458942 5528 or +452993 8502 (cell)
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Received on Tue Jun 15 2010 - 11:30:03 PDT
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