Re: [v3] Update Solaris baselines for GCC 4.7

[Paolo Carlini <paolo dot carlini at oracle dot com>]

On 01/27/2012 05:18 PM, Rainer Orth wrote:
> Paolo Carlini<paolo.carlini@oracle.com>  writes:
>
> > On 01/23/2012 07:31 PM, Rainer Orth wrote:
> > > * I noticed several new symbols being placed into GLIBCXX_3.4.5, which
> > >     also happens with gld and thus isn't an issue with Sun ld versioning
> > >     support.  Adding to an old version is not supposed to happen and must
> > >     be fixed.
> > >
> > > +FUNC:_ZNSt19istreambuf_iteratorIcSt11char_traitsIcEEppEv@@GLIBCXX_3.4.5
> > > +FUNC:_ZNSt19istreambuf_iteratorIwSt11char_traitsIwEEppEv@@GLIBCXX_3.4.5
> > I don't think this is a new issue, I see it in 4.6 branch and even in 4.5
> > branch. At some point we had a problem which Jakub patched (thus the *XX
> > variants), the actual story is longish but is not new, I'm not sure you are
> > interested in thegory details.
> Perhaps you have a pointer?
I can search, but really the issue is very, very old and we already 
released *many* GCCs "affected".
> > > * There's quite a number of additions to 3.4.11:
> > >
> > > +FUNC:_ZNKSt10lock_error4whatEv@@GLIBCXX_3.4.11
> > > +FUNC:_ZNSt18condition_variable10notify_allEv@@GLIBCXX_3.4.11
> > > +FUNC:_ZNSt18condition_variable10notify_oneEv@@GLIBCXX_3.4.11
> > > +FUNC:_ZNSt18condition_variable4waitERSt11unique_lockISt5mutexE@@GLIBCXX_3.4.11
> > > +FUNC:_ZNSt18condition_variableC1Ev@@GLIBCXX_3.4.11
> > > +FUNC:_ZNSt18condition_variableC2Ev@@GLIBCXX_3.4.11
> > > +FUNC:_ZNSt18condition_variableD1Ev@@GLIBCXX_3.4.11
> > > +FUNC:_ZNSt18condition_variableD2Ev@@GLIBCXX_3.4.11
> > > +FUNC:_ZNSt22condition_variable_anyC1Ev@@GLIBCXX_3.4.11
> > > +FUNC:_ZNSt22condition_variable_anyC2Ev@@GLIBCXX_3.4.11
> > > +FUNC:_ZNSt22condition_variable_anyD1Ev@@GLIBCXX_3.4.11
> > > +FUNC:_ZNSt22condition_variable_anyD2Ev@@GLIBCXX_3.4.11
> > > +FUNC:_ZNSt6thread15_M_start_threadESt10shared_ptrINS_10_Impl_baseEE@@GLIBCXX_3.4.11
> > > +FUNC:_ZNSt6thread4joinEv@@GLIBCXX_3.4.11
> > > +FUNC:_ZNSt6thread6detachEv@@GLIBCXX_3.4.11
> > > +FUNC:__once_proxy@@GLIBCXX_3.4.11
> > > +OBJECT:12:_ZTISt10lock_error@@GLIBCXX_3.4.11
> > > +OBJECT:15:_ZTSSt10lock_error@@GLIBCXX_3.4.11
> > > +OBJECT:20:_ZTVSt10lock_error@@GLIBCXX_3.4.11
> > > +OBJECT:24:_ZTISt10lock_error@@GLIBCXX_3.4.11
> > > +OBJECT:40:_ZTVSt10lock_error@@GLIBCXX_3.4.11
> > This, I don't see why you considered it some sort of "problem"?!? Yes we
> > started exporting some additional symbols, in 3.4.11, I can confirm that.
> Adding new symbols to an old version is fundamentally wrong IMO:
Totally agreed, but who did that? Those symbols are exported @3.4.11. I 
still don't understand.

Paolo.