Since nob-sme is not developed at all, we do (in apertium-sme-nob)
make nob-sme cp /path/to/apertium-nob/nob.automorf.bin nob-sme.automorf.bin
which puts the untrimmed nob analyser in sme-nob.
irstlm requires boost; on Ubuntu, do
sudo apt-get install libboost-all-dev
<pers>/<impers> shouldn’t be in the nopardefs dictionary (are there other such?)