Don't we just call these out-of-tree patches? Lots of those for Linux lying about, it's not a new idea. I guess the difference is that they have multiple upstreams, so really they're more of a new project that consists of:
- A set of sqlite patches,
- Other upstreams and patches?
- A custom toolchain to build all the above together into one artefact
- A set of sqlite patches,
- Other upstreams and patches?
- A custom toolchain to build all the above together into one artefact