Re: V7R3 C++ questions

Hi Justin,

My apologies for misremembering the original question. I looked at
the 7.1 version of the supported language extensions, and as you said, C++
11 does not appear in that list. That means that either C++ 11 is entirely
unsupported or only a small subset of C++ 11 features are supported. You
can assume that any set of compiler features that does not appear in the
list is either not supported or only partially supported.

IBM i 7.1 GA'ed in 2010, prior to the ratification of C++ 11 in 2011.
There might be some limited subset of the functionality in the compiler,
implemented with the assumption that they would become part of the standard
when it was ratified. If there is a particular function that you are
interested in you should try it to see if it is part of the compiler.

Thanks,

Aaron Albertson


"C400-L" <c400-l-bounces@xxxxxxxxxxxx> wrote on 02/03/2017 12:09:39 PM:

From: Justin Taylor <JUSTIN@xxxxxxxxxxxxx>
To: "Bare Metal Programming IBM i (AS/400 and iSeries)"

<c400-l@xxxxxxxxxxxx>

Date: 02/03/2017 12:10 PM
Subject: Re: [C400-L] V7R3 C++ questions
Sent by: "C400-L" <c400-l-bounces@xxxxxxxxxxxx>

My question was what compiler level I had, specifically looking for
C++ 11. I'm a "greenhorn" C++ dev, so maybe I missed it, but I
don't see anything in the 7.1 version of your link that answers that.



-----Original Message-----
From: Aaron Albertson [mailto:albertaa@xxxxxxxxxx]
Sent: Friday, February 03, 2017 11:19 AM
To: Bare Metal Programming IBM i (AS/400 and iSeries)

<c400-l@xxxxxxxxxxxx>

Subject: Re: [C400-L] V7R3 C++ questions


Hi all,

The supported language extensions for the C and C++ compiler are
documented in the IBM i Knowledge Center. Here is a link to the
v7r3 version of this documentation:
https://www.ibm.com/support/knowledgecenter/ssw_ibm_i_73/rzarg/
aix_cpp_extensions.htm
.

The compiler developers are adding new features every release. I
was once a member of this team, and when I was part of the team
there were three primary criteria for what features were added:

Low hanging fruit (features which are trivial to support)
Features which the compiler team believes will be used by customers

(the

compiler team usually has to guess here)
Features requested by customers (these are given the highest priority)

I believe this is still the general philosophy of the team. I know
that the compiler team does have members that occasionally visit
this forum, so I would recommend posting details on exactly what you
are missing. It will help the compiler team bump that functionality
up their priority list, and it is also possible that you've
discovered a bug in a feature that is supposed to be working.

If there is a feature that you feel is particularly important I
would recommend submitting a request for enhancement (RFE) (or
upvoting an existing request if one already exists for the feature
you would like to see). This is probably the best way to make sure
that IBM knows you care about a particular issue. Susan Gartner
recently wrote a very nice article on The Four Hundred about how to
submit an RFE:
https://www.itjungle.com/2017/01/30/guru-got-great-idea-tell-ibm/.
The article is focused on submitting a request for RPG, but to do
the same thing for C/C++ you just need to specify "Languages -
Other" instead of "Languages - RPG" for the component.

Thanks,

Aaron Albertson


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