[Users] Problem with compiling Einstein Toolkit on Cray system

[L.S. Oswald]

Hi Rahul

Thanks very much for your help.

I hadn't tried that. I think I managed to partially solve the MPI issue 
by creating a new .cfg file specifying the path, but I have since come 
up against various other errors preventing me from compiling. I just 
tried including your line in the config-info file but no luck so far.

Consequently I've been trying to install the Toolkit on a different 
computer, and this one has gone much farther. It seems to compile 
everything and then stop at the end, so that it doesn't create the 
executable. This is the error I get:

/usr/lib64/gcc/x86_64-suse-linux/4.8/../../../../x86_64-suse-linux/bin/ld: 
/home/ara/loswald/Cactus/configs/sim/lib/libthorn_SystemTopology.a(system_topology.cc.o): 
undefined reference to symbol 'opal_hwloc172_hwloc_topology_get_support'
/usr/lib64/mpi/gcc/openmpi/lib64/libopen-pal.so.6: error adding symbols: 
DSO missing from command line
collect2: error: ld returned 1 exit status
/home/ara/loswald/Cactus/lib/make/make.configuration:149: recipe for 
target '/home/ara/loswald/Cactus/exe/cactus_sim' failed

I'm unclear on what hwloc actually is: is it a library in itself or 
should it be part of open-pal or MPI? Only one configuration file 
references hwloc specifically so we created a new configuration file 
which included the following lines:

# OpenMPI contains a copy of hwloc, use it
HWLOC_DIR = NO_BUILD
HWLOC_INC_DIRS = 
/usr/lib64/mpi/gcc/openmpi/include/openmpi/opal/mca/hwloc 
/usr/lib64/mpi/gcc/openmpi/include/openmpi/o
pal/mca/hwloc/hwloc172 
/usr/lib64/mpi/gcc/openmpi/include/openmpi/opal/mca/hwloc/hwloc172/hwloc/include 
/usr/lib64/mpi/
gcc/openmpi/include/openmpi
HWLOC_LIBS =  -llibopen-pal

but this had no effect and I got the same error.

I don't suppose you could enlighten me on how I might go about adding 
the DSO to the command line, and indeed, what DSO I should be adding?

Many thanks,

Lucy

On 2016-09-06 4:27 pm, rahul kashyap wrote:
> Hi Lucy,
> 
> Did you try including this line in /configs/my_config/config-info
> 
> MPI_DIR=path/to/MPI/bin
> 
> then do make my_config
> 
> Best,
> rahul
> 
> On Mon, Aug 29, 2016 at 12:47 PM, L.S. Oswald <lo280 at cam.ac.uk> wrote:
> 
>> Hello
>> 
>> I'm attempting to install the Einstein Toolkit on Dora, which is a
>> Cray
>> system supercomputer. In doing so I came across the following
>> error:
>> 
>> Configuration script for thorn MPI returned exit code 5
>> Error message: 'MPI could not be configured: neither
>> automatic nor
>> manual configuration succeeded'
>> 
>> In addition the log stated that:
>> No MPI compiler wrapper found beneath MPI_DIR (MPI_DIR =
>> /usr)
>> 
>> I subsequently discovered that it was looking in the wrong place
>> for the
>> MPI root directory and that the reason it was looking under /usr
>> instead
>> of /opt/cray/mpt/7.3.2/gni/mpich-cray/8.3 was because that was the
>> setting in the ubuntu configuration file that I had used when
>> configuring SimFactory. On a reattempt therefore I did not use the
>> ubuntu.cfg file when configuring SimFactory, and got the following
>> error
>> instead:
>> 
>> Configuring with flesh MPI
>> Warning: use of flesh MPI via MPI option is deprecated and
>> should be replaced with the thorn ExternalLibraries/MPI and its
>> MPI_DIR
>> option
>> MPI selected, but no known MPI method - what is
>> "/opt/cray/mpt/7.3.2/gni/mpich-cray/8.3" ?
>> 
>> Attempts at altering the Makefile and the config-info file resulted
>> in
>> either no change, or more errors.
>> 
>> Please would you be able to advise me on the correct way to specify
>> the
>> root directory for MPI?
>> 
>> Many thanks,
>> 
>> Lucy Oswald
>> _______________________________________________
>> Users mailing list
>> Users at einsteintoolkit.org
>> http://lists.einsteintoolkit.org/mailman/listinfo/users [1]
> 
> 
> 
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