Rust actually supports multiple ABIs and you can pick which one to use. The one ...

fluffything on Jan 31, 2021 | parent | context | favorite | on: Pip has dropped support for Python 2

Rust actually supports multiple ABIs and you can pick which one to use.

The one I use for maximum portability is the C ABI defined in the ISO C standard and on the platform docs (eg the Itanium ABI specified eg in the x86psABI document on Linux).