Site: http://libcharguess.sourceforge.net/
cd $dir/libcharguess
./configure --prefix=/usr/local/charguess
make
sudo make install
sudo cp -R $dir/libcharguess /usr/local/charguess/src
Site: http://raa.ruby-lang.org/project/charguess/
cd $dir/gem
ruby extconf.rb --with-charguess-include=/usr/local/charguess/src/ --with-charguess-lib=/usr/local/charguess/lib
make
sudo make install
require "rubygems"
require "charguess"
CharGuess.guess("áéíóú")
#=> "UTF-8"