Hi Jonathan,
> On 26/11/19 00:57 +0000, Joseph Myers wrote:
>>On Mon, 25 Nov 2019, Rainer Orth wrote:
>>
>>> and a few more, all DFP related. They used to be emitted by g++ for
>>> __fundamental_type_info in libsupc++/fundamental_type_info.cc and lived
>>> in the CXXABI_1.3.4 version. However, since Solaris *does* lack DFP
>>> support, that's no longer the case. I'm uncertain how best to deal with
>>> this, however.
>>
>>As I understand it, _GLIBCXX_USE_DECIMAL_FLOAT should already have been
>>undefined for this target, and so std::decimal::decimal32 etc. should not
>>have been usable (both the header not working without that define, and the
>>mode attributes in the header being rejected by the front end when DFP is
>>unsupported). I.e. such defines in libsupc++ would never have been usable
>>on this target, so I think they are something it should be safe to remove
>>from the ABI baseline.
>
> If it's actually impossible that any real program could have depended
> on those symbols, then I agree.
this is exactly what I've got no way of telling, that's why I was asking
for guidance. Just removing the DFP symbols from the baselines works,
of course.
Rainer
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Rainer Orth, Center for Biotechnology, Bielefeld University
