[Users] Problem with tutorial

[Roland Haas]

Hello Julia,

Sorry for the delay, but this turned into a bit more of a rabbit hole
than expected.

Please give this another try on the tutorial server. You will have to,
unfortunately, start from scratch to get new versions of the simfactory
machine description files.

If you like to you can also try and update only Simulation Factory
using:

cd repos/simfactory2
git pull

then remove your configs/sim directory to force a compilation from
scratch using the new files.

On you laptop things probably work fine, at least as long as there is
no pro-compiled version of ADIOS2 installed already. On a cluster with
ADIOS2 installed you may need to use branch rhaas/mpilibs of
ExternalLibraries/ADIOS2 which we hope to very soon merge into
ExternalLibraries/ADIOS2's master branch.

Please let me know if this solves the issue for you.

Just in case (though I suspect you are aware) there is the group of
Philipp Moesta at UVA that uses the EinsteinToolkit extensively and may
be able to provide some help as well.

Yours,
Roland

> Hello Julia,
> 
> > I am new to the Einstein toolkit, so I wanted to go through the tutorial first. Unfortunately, I do not get beyond the step of building the Einstein toolkit:
> > %%bash
> > ./simfactory/bin/sim build -j2 --thornlist thornlists/einsteintoolkit.th
> > 
> > I attached the output as a text file due to its length. The output ends with:
> > /usr/bin/ld: /usr/local/lib/../lib/libadios2_cxx11_mpi.so.2.10: error adding symbols: DSO missing from command line
> > collect2: error: ld returned 1 exit status
> > make[1]: *** [/home/j/Cactus/lib/make/make.configuration:150: /home/j/Cactus/exe/cactus_sim] Error 1
> > make: *** [Makefile:265: sim] Error 2  
> Hmm, that is a linker error. My guess would be that one needs to
> explicitly list the C++ bindings for MPI in the linker library list. 
> 
> This should of course work automatically, but clearly is not anymore.
> 
> > I am running the web-based tutorial, so I thought just running the
> > Jupyter notebook cells would suffice (I tried restarting the kernel,
> > but this did not help).  
> 
> In particular on the ET maintained tutorial server it should just work.
> Since it is not, we will have to fix the server and the code. 
> 
> > Do you know how I could resolve this error?  
> 
> Let me try and see and get back to you.
> 
> Yours,
> Roland
> 

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