• vala >= 0.36.12
• glib-2.0 >= 2.40.0
• gee-0.8 >= 0.20.0

mkdir build
meson . build/
cd build
ninja
sudo ninja install

When installing on Ubuntu, you may have to run meson like so in order for the shared object file to show up in a place ldconfig will be able to see it by default

meson . build/ --libdir=/usr/local/lib