1. You need foma installed and in your $PATH
code and binaries here if needed:  https://github.com/mhulden/foma

2. You also need vislcg3 installed and in your $PATH
see http://beta.visl.sdu.dk/download/vislcg3/
the version used by this distribution is vislcg3 0.9.7.7299

On Debian-style systems, these can be installed with:
sudo apt-get install foma-bin vislcg3

3. Extract the tarfile irishfst.tgz
it should create
irishfst/Makefile
irishfst/README
irishfst/test.sh
irishfst/src/*.txt, *.script
irishfst/dis/gael-dis.rle, lookup2cg3.prl
irishfst/int/ (empty)
irishfst/bin/ (empty)

4. run make in the irishfst directory
the main transducer will be bin/lexguess.fst 

5. test using ./test.sh

Mar 2012 EUD