gcc-rust

See also the discussion here https://news.ycombinator.com/item?id=21734529 (about https://github.com/sapir/gcc-rust but also about a GNU Rust compiler in general)

Some links on the most promising effort so far, gccrs https://opensrcsec.com/open_source_security_announces_rust_g... https://www.embecosm.com/2021/01/12/gcc-rust-how-it-can-be-a... https://rust-gcc.github.io/ This is an entirely new frontend written in C++, that shares no code with rustc (the official rust compiler). It might be merged some day in GCC proper. But honestly, I'm more excited for rustc_codegen_gcc: https://github.com/antoyo/rustc_codegen_gcc It adds gcc as an alternative backend of the official Rust compiler. That way it is much more feasible to stay up to date as the language evolves. Anyway the former two don't actually work right now. The one that does work today is mrustc, or at least it works for bootstrapping rustc; it doesn't have a borrow checker though (and instead assumes the program is correct). Also, mrustc isn'

FTR, there are some efforts to integrate GCC & Rust: https://github.com/antoyo/rustc_codegen_gcc https://github.com/Rust-GCC/gccrs https://github.com/sapir/gcc-rust/

Similarly you can compile Rust in "edition = 2015" or "edition = 2018" and soon "edition = 2021" to guard against changes in the language, e.g. adding keywords. There are already alternative compilers, though most of them are WIP, e.g. mrustc[1], rust front-end for gcc[2][3], or using cranelift[4] for the back-end. [1] https://github.com/thepowersgang/mrustc [2] https://github.com/sapir/gcc-rust/tree/rust [3] https://github.com/Rust-GCC/gccrs [4] https://github.com/bjorn3/rustc_codegen_cranelift

After my last very successful Bountysource campaign to modernize the m68k backend (https://www.bountysource.com/issues/80706251-m68k-convert-th...) in GCC, I have decided to create another campaign to stimulate the development of a Rust frontend for the GCC compiler collection. The idea is to get an independent implementation of the Rust language similar to what gccgo is providing for the Go language as an alternative to Google's own Go compiler. The main advantage of having a Rust frontend for GCC would be to be able to build Rust code on a larger amount of architectures since GCC supports quite a lot of more of architectures as compared to the original Rust compiler which is limited by the comparibly small list of architectures supported by LLVM which is used as a backend for Rust: > https://en.wikipedia.org/wiki/GNU_Compiler_Collection