[llvm] [mlir] [mlir python] Add nanobind support for standalone dialects. (PR #117922)

[Nikita Popov via llvm-commits]

nikic wrote:

Right -- the version of nanobind packaged by the distro is only really a concern for the MLIR bindings packaged by the distro. People building MLIR themselves are free to install a newer version, e.g. using pip and requirements.txt.

https://github.com/llvm/llvm-project/pull/117922