That's the goal, and that's why rbenv does not perform compilation/installation at all (there's a separate ruby-build project for that: https://github.com/sstep

That's the goal, and that's why rbenv does not perform compilation/installation at all (there's a separate ruby-build project for that: https://github.com/sstephenson/ruby-build https://github.com/sstephenson/ruby-build).