[gmx-users] grompp error with cpp

[David van der Spoel]

toma0052 wrote:
> Hello,
>      I just installed Gromacs on my windows machine under cygwin, and
> everything seemed to go fine with the installation and whatnot.  Initially,
> when I tried to run a simulation, I obtained the error that Gromacs found the
> number of coordinates in my .top file to be 0, because it could not find the
> cpp.  From the mailing list archives, I gathered that Gromacs was checking
> for cpp in /lib/cpp whereas in cygwin the cpp is in /bin/cpp.  So, as in the
> post, I created a link in /lib pointing to /bin/cpp.  I ran a simulation, and
> everything went fine.  Now, I am trying to run another simulation, and I am
> running into the same problem as before.  When I execute grompp, I get this
> error:
>  
> Back Off! I just backed up md_shear_run.mdp to ./#md_shear_run.mdp.2#
> checking input for internal consistency...
> ...ling /lib/cpp
> : No such file or directory
> cpp exit code: 32512

replace /lib/cpp with /bin/cpp (with or without .exe) in the mdp file



-- 
David.
________________________________________________________________________
David van der Spoel, PhD, Assoc. Prof., Molecular Biophysics group,
Dept. of Cell and Molecular Biology, Uppsala University.
Husargatan 3, Box 596,  	75124 Uppsala, Sweden
phone:	46 18 471 4205		fax: 46 18 511 755
spoel at xray.bmc.uu.se	spoel at gromacs.org   http://folding.bmc.uu.se
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