You'll need the following dependencies:
- libgranite-dev
- libgtop2-dev
- libudev-dev
- libwingpanel-dev
- libnotify-dev
- meson >= 0.58.0
- valac
Run meson to configure the build environment and then ninja to build
meson build --prefix=/usr
cd build
ninja
To install, use ninja install
sudo ninja install