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Re: [www-patch] bugs.html rewrite, part 6: section about upgrading the compiler


> On 20 Nov, Rainer Orth wrote:
> > Richard Earnshaw <rearnsha@arm.com> writes:
> > 
> >> The Java support libraries also contain C++ code.  I think it's safer to 
> >> just say "recompile everything" here.  True experts may be able to tell 
> >> when it's safe to ignore this suggestion, but others may need to err on 
> >> the side of caution in order to be sure.
> 
> > As an important aside, while the compilers' C++ ABI is formally specified
> > (and adhered to except for bugs), the libstdc++-v3 ABI is not and still
> > changes in incompatible ways between releases, AFAIK, so until this is
> > resolved, recompilation will be necessary even with a stable C++ ABI.
> 
> Good point. So we actually have two ABI's, the C++ ABI and the
> libstdc++-v3 ABI. We should clarify this is bugs.html (which currently
> only talks about the C++ ABI).
> 
> Regards,
> Volker
> 
> 

No, we have one ABI, but these are just two components of it.

R.


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