sudo apt-get install build-essential libtool autotools-dev automake checkinstall check git yasm

git clone git://github.com/jedisct1/libsodium.git
cd libsodium
git checkout tags/1.0.0
./autogen.sh
./configure && make check
sudo checkinstall --install --pkgname libsodium --pkgversion 1.0.0 --nodoc
sudo ldconfig
cd ..

git clone git://github.com/irungentoo/toxcore.git
cd toxcore
autoreconf -i
./configure
make
sudo make install