Re: Two stage Ruby compilation / Bootstrapping

[Jun Aruga]

> Not this way. We would just incrementally build Ruby using previous Ruby
> (IOW there would be `BR: ruby` in .spec file). That would be likely good
> as long as Fedora does not introduce new architecture. Then we would
> need manually build some Ruby, probably without patches and then use
> this Ruby for build of Ruby with patches.
>
> I think if we are able to do this right, then we can choose from option
> 1 and 2 by setting the right flags. Both options has their pros and cons.

I see.
The pattern `BR: ruby` in ruby.spec file is actually like what gcc is
doing as `BuildRequires: gcc, gcc-c++` in gcc.spec file.
Maybe we are able to do this right.