You'll need the following dependencies:
- meson >= 0.43.0
- libcanberra-dev
- libgdk-pixbuf2.0-dev
- libgranite-dev >= 6.0.0
- libhandy-1 >= 0.83.0
- valac
Run meson to configure the build environment and then ninja to build and run automated tests
meson build --prefix=/usr
cd build
ninja
To install, use ninja install, then execute with io.elementary.screenshot
sudo ninja install
io.elementary.screenshot