Re: libgcc move to the top level

[Paolo Bonzini <paolo dot bonzini at lu dot unisi dot ch>]

> Good job picking out this issue :-)  Indeed, the first target to move
> EXTRA_PARTS may not be trivial because of the way we currently recurse
> into the gcc subdirectory to build them.  I think that to do this, we
> will have to build extra startfiles twice, once in the libgcc objdir
> and once in the gcc objdir, until all targets are migrated.

I will probably understand more about why when I have read the libgcc 
makefile.

> That's not too difficult, but it will be a little touchy.  I'll try it
> later - I'd prefer to do that next after committing libgcc.

If possible, I would like a proof of concept that it is possible to 
migrate the building of the extra parts incrementally without breaking 
non-converted targets, before committing (unless another maintainer 
overrules me).

Paolo