Libstdc++-v3 vs darwin vs weak support

[Paolo Carlini]

Andrew Pinski wrote:

> There are other targets other than aix that still need them too.
> Almost all non elf targets (and there might be some elf targets too).
> AIX 5.1 supports weak symbols (IIRC) and should work without the "hack"
> but older AIX still should be supported.

Thanks Andrew for the info. Which targets, exactly? I mean, how many 
actually able to build and run correctly libstdc++-v3, anyway? I don't 
see much in testresults... Indeed, I gather that for now we have to keep 
that ugly machinery, but in 1 year, for instance?

Paolo.