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Date: Fri, 28 Sep 2007 22:11:25 +0200
From: Pascal Obry <pascal@obry.net>
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To: Simon Wright <simon.j.wright@mac.com>
Subject: Re: Pragma for conditional compilation? (Ada 2005 vs. 95)
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Date: 2007-09-28T22:11:29+02:00
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Simon Wright a �crit :
> Pascal Obry <pascal@obry.net> writes:
> 
>> Note that some of the configuration management can be done directly with
>> GNAT Project File. In this case:
>>
>>    type OS_Type is ("UNIX", "Windows_NT");
>>    OS : OS_Type := external ("OS", "UNIX");

Just a side note. The trick here is that OS is defined on Windows and
the value is "Windows_NT". Using this fact we say that OS gets the "OS"
env variable or "UNIX" if not defined.

> I never realised you could do this .. and I thought I had read the
> friendly manual, too. Thanks, Pascal!

You're welcome!

Pascal.

-- 

--|------------------------------------------------------
--| Pascal Obry                           Team-Ada Member
--| 45, rue Gabriel Peri - 78114 Magny Les Hameaux FRANCE
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