[Users] libopenPMD missing, OpenPMD question

[Bill Gabella]

Okay ran into a problem with "HelloWorld" with Simfactory when checking 
my ET install of master:

./simfactory/bin/sim create-run helloworld --parfile 
arrangements/CactusExamples/HelloWorld/par/HelloWorld.par

[lots of stuff]
/scratch/gabella/simulations/helloworld/SIMFACTORY/exe/cactus_sim: error 
while loading shared libraries: libopenPMD.so: cannot open shared object 
file: No such file or directory

I see that that carpetX seems to have OpenPMD readers, etc.  I also 
found the github, if it is the right OpenPMD at

https://github.com/openPMD/openPMD-api

but expected ET to handle this or to see some text about installing 
OpenPMD as a pre-req.

Any suggestions?  I never saw a file format that I did not like, or at 
least install, so should I install this, or should ET?

thanks, bill e.g.

ps--Did a find and there is no libopenPMD.so under Cactus.