All you need is git, cmake and libssh ;-)
apt-get install cmake
git clone https://github.com/vanhauser-thc/thc-hydra
cd thc-hydra
git clone http://git.libssh.org/projects/libssh.git libssh
cd libssh/
mkdir build
cd build/
cmake -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_BUILD_TYPE=Debug ..
make install
# back to hydra
cd ..
cd ..
./configure
make
make install
hydra