On Fri, 27 Sep 2019 18:47:42 +0100, Charles Mills wrote:
>    ...
>FWIW, POSIX(ON) is not a problem. "My" code all runs POSIX(ON).
>
What motivation is there for POSIX(OFF)?  Compatibility with lost source code?

>-----Original Message-----
>From: Allan Kielstra
>Sent: Friday, September 27, 2019 4:41 PM
>
>We are listening!  
>https://www-01.ibm.com/servers/resourcelink/svc00100.nsf/pages/xlCC++V231ForZOsV23?OpenDocument
>
>This is a web deliverable that co-exists (does not overwrite) the existing xlC 
>compiler.  I have personally used it to develop C++ code with initializer 
>lists, emplacements in collections, lambdas, variadic template classes and 
>other more modern features.
>
>One thing I should point out.  For any non-trivial program, the resulting 
>executable will require POSIX(ON).  Also, you should compile an entire 
>application with the new compiler or the old one.  (The object models are not 
>the same.)

-- gil

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