[Bug ada/81878] --disable-bootstrap --enable-languages=ada fails

["rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81878

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Eric Botcazou from comment #3)
> > I see.  I suppose it should use the build tools if not bootstrapping as well
> > (and/or for stage1).  Isn't this all set up correctly from the toplevel make
> > anyway?!
> 
> Do you mean that passing $(CXX) as in the cross case should work?

I would think so.  No other host library/tool dir does this kind of dance.

Of course ada toplevel stuff is somewhat special...

> > So I guess generally enabling C++ when enabling Ada would regress cross
> > builds.
> 
> Yes, we would need to enable it only for native.