You'll need the following dependencies:

• libadwaita-1-dev
• libswitchboard-3-dev
• libgranite-7-dev
• libwacom-dev
• libgudev-1.0-dev
• libx11-dev
• libxi-dev
• meson
• 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

ninja install

To test Wacom plug without a tablet or pen use hid-replay. The hid-replay repository releases page contains prebuilt binaries. Remember to also clone wacom-recordings.

sudo hid-replay wacom-recordings/Wacom\ Intuos\ Pro\ M/pen.pen-light-horizontal.hid