[gmx-users] Error on install Gromacs 4

Carsten Kutzner ckutzne at gwdg.de
Wed Oct 20 09:58:23 CEST 2010

On Oct 20, 2010, at 5:17 AM, Son Tung Ngo wrote:

> Dear experts,
> I have just install gromacs 4.5.1 on my cluster (using CentOS that was install openmpi1.5, Platform MPI, fftw3, g77, gcc , g++) but I have problem with size of int :
> [root at icstcluster gromacs-4.5.1]# ./configure --prefix=/shared/apps/gromacs --enable-mpi --enable-double 
> <snip>
> checking for _aligned_malloc... no
> checking size of int... 0
> checking size of long int... 0
> checking size of long long int... 0
> checking size of off_t... configure: error: in `/shared/apps/source/gromacs-4.5.1':
> configure: error: cannot compute sizeof (off_t)
> Any idea about this?
Hi Son,

search the config.log file for your error message "cannot compute sizeof (off_t)".
There you can find some more explanation. Could be a missing library.

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