[gmx-users] Error with MPICH

[Mark Abraham]

Hi,

If libmpich.so is available after building with --enabled-shared, then the
MPI wrapper compilers should take care of this. If you want more help, we
need to at least see how you called cmake, using mpicc and mpic++, and more
information about what was wrong than "it still doesn't work." :-)

Mark

On Fri, Aug 18, 2017 at 12:02 PM Souparno Adhikary <souparnoa91 at gmail.com>
wrote:

> Hi,
>
> I was installing GROMACS-5.1.4 with MPI option in the server. It yielded
> the following error,
>
> [  6%] Linking CXX shared library ../../lib/libgromacs_mpi.so
> /usr/bin/ld: /usr/local/lib/libmpich.a(allreduce.o): relocation R_X86_64_32
> against `.rodata.str1.8' can not be used when making a shared object;
> recompile with -fPIC
> /usr/local/lib/libmpich.a: could not read symbols: Bad value
> collect2: ld returned 1 exit status
> make[2]: *** [lib/libgromacs_mpi.so.1.4.0] Error 1
> make[1]: *** [src/gromacs/CMakeFiles/libgromacs.dir/all] Error 2
> make: *** [all] Error 2
>
> As the available suggestions on the internet suggested, I recompiled the
> mpich with --enable-shared option and also setting the CXXFLAGS as -fPIC.
> It still doesn't work.
>
> Can you please help?
>
> Souparno Adhikary,
> CHPC Lab,
> Department of Microbiology,
> University of Calcutta.
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