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From: "Alexandre E. Kopilovitch" <aek@VB1162.spb.edu>
Newsgroups: comp.lang.ada
Subject: Re: Standard Ada Preprocessor (Was: why ada is so unpopular ?)
Date: Fri, 23 Jan 2004 19:38:41 +0300 (MSK)
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Date: 2004-01-23T19:38:41+03:00

Robert I. Eachus wrote:

> ... I think it would be wonderful 
> to get rid of the type Name in system and add three string constants:
>
> Operating_System:      constant String := implementation_dependent;
> Hardware_Architecture: constant String := implementation_dependent;
> Compiler:              constant String := implementation_dependent;
> Version:               constant String := implementation_dependent;

I think that Compiler string constant (followed by its Version) should be
placed first in this sequence to underline the understanding that it is
the main key and that the meaning of all other items here (that is,
Operating_System and Hardware_Architecture) is relative to the Compiler.

Also, it may be useful to duplicate the pair
 {Operating_System, Hardware_Architecture}
- to cover the case of cross-compilation, that is:

 Compiler:                     constant String := implementation_dependent;
 Version:                      constant String := implementation_dependent;
 Host_Operating_System:        constant String := implementation_dependent;
 Host_Hardware_Architecture:   constant String := implementation_dependent;
 Target_Operating_System:      constant String := implementation_dependent;
 Target_Hardware_Architecture: constant String := implementation_dependent;





Alexander Kopilovitch                      aek@vib.usr.pu.ru
Saint-Petersburg
Russia