RFR (2xS): 8181318: Allow C++ library headers on Solaris Studio

[Kim Barrett]

> On Jun 1, 2017, at 3:05 AM, Volker Simonis <volker.simonis at gmail.com> wrote:
> 
> On Thu, Jun 1, 2017 at 7:51 AM, Kim Barrett <kim.barrett at oracle.com> wrote:
>> The instigator for this is Erik and I are working on a project that
>> needs information that is present in std::numeric_limits<> (provided
>> by the <limits> header).  Reproducing that functionality ourselves
>> would require platform-specific code (with all the complexity that can
>> imply).  We'd really rather not re-discover and maintain information
>> that is trivially accessible in every standard library.
>> 
> 
> Hi Kim, Erik,
> 
> can you please explain why you only need this information on Solaris?
> 
> I'm just a little concerned that if you start this for "Solaris only"
> it will be sooner or later be needed on other platforms as well.

The change is only to Solaris because the present Solaris build configuration
is the only one which doesn’t already provide the access we want.