If the cmsearch doesn't work for you, try to compile 'infernal-1.0.2.tar.gz' by yourself!

wget http://eddylab.org/software/infernal/infernal-1.0.2.tar.gz

tar -zxvf infernal-1.0.2.tar.gz

cd infernal-1.0.2
./configure --prefix=infernal-1.0.2.build
make

find the infernal-1.0.2/src/cmsearch binary.

