Re: Speeding up the bootstrap build - a quick hack.

[Stefan Monnier]

> Is this .elc0 trick just to avoid the ELC+ELN compilation of
> COMPILE_FIRST, and instead first compile them only to .elc and then
> compile again to .elc + .eln?

Yes.

> If so, why not use no-native-compile to disable the ELN part?  Since
> compile-first is called from src/Makefile, as part of building
> bootstrap-emacs, you can do that in the commands there.

But we also want to native-compile those files (after we've
byte-compiled them), so we do need two different targets.
Those should ideally be `.elc` first and `.eln` later, but we currently
don't know how to make that work, so Alan suggests to use `.elc0` first
and `.elc` later.


        Stefan