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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: Standard Ada Preprocessor
Date: 29 Jan 2004 20:45:18 +0000
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Date: 2004-01-29T20:45:18+00:00
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Marin David Condic <nobody@noplace.com> writes:

> 1) Have the two alternate lines in the same file & let the compiler
> decide (based on some condition) which to actually read & interpret.

The point I was fumbling towards is that you now have _two_
complicated things, probably:

* the external autoconf or whatever setup that decides from the
  environment whether some feature is present and sets the result in
  environment variables, a config.h or a makefile;

* and the source code that uses the condition.

-S