[Paraview] Making a package for Nix system

[Yves Rogez]

Dear Paraview team,

we are currently studying the opportunity of migrating our computing 
grid environment from "module" system to "nix" packaging system 
(https://nixos.org/). In that purpose, I'm trying to compile and pack 
Paraview 5.2.0 with its dependencies with nix packages 
(https://nixos.org/nixos/packages.html).

To do so, I first installed nixos on a local laptop and give it a try. 
The main issue I encountered was to update my nixos kernel with native 
videocard drivers but OK, that's done. Then using the attached nix 
package script (a slight evolution on paraview 4.0.1 existing one), I 
could have packetized 5.2.0 succesfully and it runs very well.

However, I still get an error when I'm trying to use MPI functionality. 
The MPI itself with parallelism works, as I can run a auto-MPI session 
without problem. The issue occurs when *servermanager.Disconnect() 
function is called => Seg fault* with no more info... The bad thing is 
that the Disconnect function is called every time I would like to 
connect to a server (to disconnect the built-in one). This is also the 
case when passing the pvserver in command-line argument.

Do you have an idea of the cause of this seg fault ? Maybe could you 
help me find any useful test to debug this ?

Thanks in advance for your support,

Best regards,

Yves


-- 
Yves Rogez

*IPAG*
/Institut de Planétologie et d'Astrophysique de Grenoble /

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