OpenBSD uses clang/llvm on most arches by now for the system compiler.
Re:GCC Rust: GCC Front-End for Rust
by CameronNemo on Tuesday January 12, 2021 @03:37PM
(#25753214)
Uf. Brain fart. I meant that they avoid GCC because of licensing.
I know OpenBSD avoids rust because of the bootstrapping issue, but they also avoid LLVM because of a licensing issue.