Re: Common Lisps implementing this, yeah, I'd noticed that SBCL did this. Speaking of SBCL, a disadvantage of boot images is that the implementation is sometime

Re: Common Lisps implementing this, yeah, I'd noticed that SBCL did this. Speaking of SBCL, a disadvantage of boot images is that the implementation is sometimes non-portable; for example, SBCL's Windows support is still experimental. To answer your question, I'm pretty sure that support for a boot image would have to be baked into PyPy, or whatever Python implementation you want to use.