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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: Simple 4 lines hang code using Ravenscar. Its this a Gnat bug?
Date: Fri, 22 Feb 2019 12:55:52 +0000
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Date: 2019-02-22T12:55:52+00:00
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AdaMagica <christ-usch.grein@t-online.de> writes:

> pragma Profile is a configuration pragma, and as such it must be
> defined (for Gnat) in a special configuration unit.

I'm not sure what the rules are, and it's certainly true that putting
the configuration pragmas in a special unit (typically, and with
gnatmake automatically effective if found, gnat.adc).

But, if they're for use in a [GNAT?] configurable runtime, it's best to
put them in system.ads so there's no chance of confusion when compiling
against the runtime.