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From: Per Sandberg <per.sandberg@bredband.net>
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Newsgroups: comp.lang.ada
Subject: Re: Conditional Compilation in Ada
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Date: Tue, 30 Jun 2009 17:39:20 +0200
Xref: g2news2.google.com comp.lang.ada:6762
Date: 2009-06-30T17:39:20+02:00
List-Id: <comp.lang.ada>

After all discussions her are a solution for conditinal compilation 
using GNAT:
------------------------------------------------
project Fools is
    type Dumb_Type is ("""JustStupid""", """Idiot""", """Fool""");
    Dumb : Dumb_Type := external ("DUMB", """Fool""");

    package Compiler is
       for Default_Switches ("ada") use
         ("-gnateDDUMB=" & Dumb);
    end Compiler;
end Fools ;
------------------------------------------------
package Fools  is
#if DUMB= """Idiot""" then
    a : Integer := 100;
#else
    a : integer := 20;
#end if;
    b : constant String := $DUMB;
end Fools ;
------------------------------------------------
with ada.Text_IO;
procedure Fools.main is
begin
    Ada.Text_IO.Put_Line(B & " -> "&a'img);
end Fools.main;
------------------------------------------------
/Ugly but it works
/Per


Pablo wrote:
> Hi, does someone know how to make conditional compilation in Ada with
> Scenarios? Say, I need to hide from compilation a part of an Ada code
> in some Scenario mode.