[gmx-users] gromacs fftw installation

[Erik Marklund]

Dear Neha,

with -DGMX_BUILD_OWN_FFTW=ON you tell gromacs to download and build its own fftw. Turn this option off.

Kind regards,
Erik

> On 6 May 2016, at 09:05, Neha Gandhi <n.gandhiau at gmail.com> wrote:
> 
> Dear List,
> 
> I am trying to install gromacs on a machine which is not allowed to connect
> to the internet.
> I have installed fftw in a directory /home/gandhin/fftw using --enable-float
> 
> I am trying to install gromacs but it always tries to download fftw and
> therefore the installation ends up in error.
> 
> I am using following command
> CMAKE_PREFIX_PATH=/home/gandhin/fftw-3.3.3/ cmake ..
> -DGMX_BUILD_OWN_FFTW=ON -DGMX_MPI=on -DGMX_GPU=on -DGMX_SIMD=NONE
> -DCMAKE_C_COMPILER=${MPICCDIR}mpicc -DCMAKE_CXX_COMPILER=${MPICCDIR}mpicxx
> -DCMAKE_INSTALL_PREFIX=/home/gandhin/gromacs-5.0.7
> 
> Any suggestion would be helpful.
> 
> 
> -- 
> Regards,
> Dr. Neha S. Gandhi,
> Vice Chancellor's Research Fellow,
> Queensland University of Technology,
> 2 George Street, Brisbane, QLD 4000
> Australia
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