tce-load -i compiletc python3.6-dev ninja

wget https://github.com/mesonbuild/meson/releases/download/0.56.0/meson-0.56.0.tar.gz

cd meson-0.56.0

python3.6 setup.py build
sudo python3.6 setup.py install --root=/tmp/pkg

correct paths in /usr/local/share/polkit-1/actions