In general, I'm sceptical that a meson Buildrequires generator can ever work reliably, given that it's possible to do conditional dependencies depending on the environment and / or what other dependencies are available ... looking at the upstream PR, it looks like you'd need to filter those out manually and / or add ones the automation misses anyway. I'm not sure if it's worth doing this then, if it will often be wrong and / or incomplete?

This extracts the baseline dependencies and it is possible that some dependencies are not found which will need to be added manually. This just provides the baseline