[v3] use AM_ICONV

[Paolo Carlini]

Benjamin Kosnik wrote:

>> I have been able to reproduce such failures: the problem is at link 
>> time, the _libiconv symbol remains undefined, apparently on such 
>> targets libiconv should be linked to the final executable. Is that 
>> doable?
>
> I think this should already be happening, due to LIBICONV substitution.
>
> Maybe this isn't being picked up from the site.exp by dejagnu? Or 
> something in conformance.exp needs to add in LIBICONV flags?

Thanks, I can probably further investigate the issue along that 
direction relatively soon (conditional to access to darwin-powerpc 
hardware ;) Maybe Kaveh can do the same on Solaris?!?

Paolo.