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From: "Jeffrey R. Carter" <spam.jrcarter.not@spam.not.acm.org>
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Subject: Re: gnoga build fails on Mac
Date: Sun, 21 Jun 2020 16:24:27 +0200
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On 6/21/20 9:57 AM, Roger wrote:
> 
> First problem with -gnat05 flag which I overcame but probably not the correct way.

Certainly not the correct way. Gnoga is in Ada 12 and should not be compiled 
with an earlier version of the language. Note the --gnat2012 switch in 
settings.gpr to ensure this. The same functionality could be implemented in 
earlier versions of Ada, but if you do that, then we can't know if your problems 
are due to your changes or something else.

Compiling Gnoga with --gnat2012 doesn't necessarily mean that you can't compile 
your code with -gnat05, but again, it makes it harder to understand any problems 
you may encounter.

-- 
Jeff Carter
"Beyond 100,000 lines of code you
should probably be coding in Ada."
P. J. Plauger
26