> > Q2) How to bootstrap the compiler, but not build any time consuming
> >     libraries (libjava, libstdc++)?
> 
> A2) "make stage{2,3,feedback}-bubble"

Can you say what the differences between these three are?  Which is the
equivalent of the old "cd gcc; make bootstrap"?

> > Q4) How to compile all the libraries (libjava, ...) using the stage1
> >     compiler?
> 
> A4) Configure with --enable-stage1-languages=all

... and then do what, "make bootstrap"?

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