On 19/02/2011 2:32 PM, Justin Kat wrote:
Dear experts,

I have installed Gromacs under the normal configuration and am now attempting to install the mpi version of mdrun on a machine, however I am getting this error during the configuration:

configure: error: cannot compute sizeof (off_t)
See `config.log' for more details.

That is usually the first test configure runs by compiling a test program, and if the compiler doesn't work (yet) then it fails also. I'd trouble-shoot your mpicc first.

Mark

I cant seem to find anything in the config.log file that might point me in the right direction.

The command that I used to attempt to configure the mpi version is:

./configure --enable-mpi --program-suffix=_mpi MPICC=/usr/lib64/openmpi/1.4-gcc/bin/mpicc

I have also tried to append my path so that it includes these paths:

/usr/lib64/openmpi/1.4-gcc/include
/usr/lib64/openmpi/1.4-gcc/

But it seems to have no effect so Im guessing there is somewhere else I must look into.

Appreciate any help!

Thank you!

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