[gmx-users] configure: error: cannot compute sizeof (off_t)

Carsten Kutzner ckutzne at gwdg.de
Mon Feb 21 09:58:03 CET 2011

On Feb 20, 2011, at 9:30 PM, Justin Kat wrote:

> Dear experts,
> I am still unable to overcome this error during the configuration:
> configure: error: cannot compute sizeof (off_t)
> See `config.log' for more details.
So what does config.log say about "cannot compute sizeof (off_t) ?"


> I came across this thread with the exact same setup as I have: 
> http://lists.gromacs.org/pipermail/gmx-users/2011-February/058369.html
> I have tried uninstalling openmpi 1.4.4 and installing the more stable openmpi1.4.3 but I am still experiencing the same error.
> ./configure --enable-mpi --program-suffix=_mpi MPICC=/usr/local/bin/mpicc --with-fft=fftw3
> I have also tried to explicitly provide the path to mpicc as above but it still gives me the same error.
> This may or may not be relevant but at the end of the config.log there is also this line:
> configure: exit 77
> Does that mean anything?
> Any help at all is appreciated!
> Thanks,
> Justin--
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Dr. Carsten Kutzner
Max Planck Institute for Biophysical Chemistry
Theoretical and Computational Biophysics
Am Fassberg 11, 37077 Goettingen, Germany
Tel. +49-551-2012313, Fax: +49-551-2012302

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