Build smartmontools

# install software to compile
apt-get update
apt-get install -y subversion build-essential automake

# get smartmontools from repository
svn co https://smartmontools.svn.sourceforge.net/svnroot/smartmontools/trunk/smartmontools smartmontools

# compile
cd smartmontools
./autogen.sh
./configure
make
make install

Links
http://sourceforge.net/apps/trac/smartmontools/wiki/Download