C++11/C++14 support in XLC ?

[Tim Ellison]

I don't know the answer myself, but I will reach out to the compiler
folks inside IBM and get response.

Regards,
Tim

On 23/06/17 08:14, Volker Simonis wrote:
> Hi everybody,
> 
> Kim recently approached me with some questions regarding the amount
> and quality of C++11/C++14 support in XLC (see his mail below). As he
> found out, it seems that there's unfortunately not much of even C++11
> support in recent XLC compilers [1,2].
> 
> I think, one of the features most badly needed is the support for
> atomics operations library [3] which was introduced with C++11. A
> recent hotspot mail thread [4,5] may give an impression why the
> atomics library is need (but obviously only makes sense if it is
> high-quality, bullet-proof on all supported platforms)
> 
> I would be great if somebody from the IBM folks on this list could
> provide some more detailed information on the current state of the
> C++11/C++14/C++XX support in XLC and the future plans if possible.
> 
> Thank you and best regards,
> Volker
> 
> 
> ---------- Forwarded message ----------
> From: Kim Barrett <kim.barrett at oracle.com>
> Date: Wed, Jun 21, 2017 at 6:23 AM
> Subject: c++11 ?
> To: Volker Simonis <volker.simonis at gmail.com>
> 
> Hi Volker,
> 
> There's been a lot of internal discussion here at Oracle about
> possibly updating compilers and starting to use C++11 or even C++14
> features, for JDK10 or beyond.  Until recently I thought C++11 was
> practical, just a matter of doing the work.  This was based in part on
> information I'd seen about XLC++ supporting C++11.  However, I
> recently found documentation [1] [2] indicating that's only true for
> the Linux port, and that even the latest version of the AIX port is
> seriously laggard, only providing a few specific C++11 features.  If
> that's accurate, that's very disappointing. I was wondering if you or
> your group might have any additional information or thoughts?
> 
> [1] https://www-03.ibm.com/software/products/en/xlcpp-aix
> [2] https://www-01.ibm.com/support/docview.wss?uid=swg27047114
> [3] http://en.cppreference.com/w/cpp/atomic
> [4] http://mail.openjdk.java.net/pipermail/jdk10-dev/2017-May/thread.html#224
> [5] http://mail.openjdk.java.net/pipermail/jdk10-dev/2017-June/thread.html#268
>