Lightweight, portable C++ fibers, MIT license

Question

I would like to get ahold of a lightweight, portable fiber lib with MIT license (or looser). Boost.Coroutine does not qualify (not lightweight), neither do Portable Coroutine Li

Answer 1

If Boost seems to heavy, helpful people have extracted the relevant parts of Boost (fcontext) as a standalone library, e.g. deboost.context.