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From: =?UTF-8?Q?Arne_Vajh=C3=B8j?= <arne@vajhoej.dk>
Newsgroups: comp.os.vms
Subject: Re: New VSI post on Youtube
Date: Wed, 14 Aug 2024 16:21:39 -0400
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On 8/14/2024 3:49 PM, Robert A. Brooks wrote:
> On 8/14/2024 2:57 PM, Arne Vajhøj wrote:
>> compile/POINTER_SIZE=32, LINK/SEG=CODE=P0 etc. can all help get stuff
>> working.
>>
>> But it is not the right long term solution.
> 
> For C++, the default pointer size should have remained 32.
> It was a mistake to change the default from what it was on Alpha and IA64.

Given how much C vs C++ issues we have seen, then I think there
is a case for that.

But as I understand it the plan was to keep C++ very close to out of
the box clang.

In hindsight ...

> There is a lot of VMS-developed C++ code that expects a pointer size of 32,

I believe that.

> so in the case I cited, that compilation qualifer will remain forever, 
> because
> the code will not change.

Unless the system in question has EOL and replacement planned, then
I doubt that.

Everything eventually change or die.

Arne