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From: "Martin Dowie" <martin.dowie@btopenworld.com>
Newsgroups: comp.lang.ada
Subject: Re: Conditional compilation in Ada?
Date: Tue, 16 Nov 2004 20:43:17 +0000 (UTC)
Organization: BT Openworld
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Date: 2004-11-16T20:43:17+00:00
List-Id: <comp.lang.ada>

Hyman Rosen wrote:
> Jeffrey Carter wrote:
>> Yes. Don't use preprocessing.
>
> Yes, especially in the way he's proposing.
> Leaving little #ifdefs everywhere is bad practice even
> in languages which allow it.
>
>> It sounds as if you have a good use for a variant record:
>
> The OP is running two separate programs. There should be a
> better solution than forcing him to make runtime tests for
> something which is static.

Why would this require a run-time check? The actual variant is known at 
compile time and stored as a constant (in the example).