Re: Pragma for conditional compilation? (Ada 2005 vs. 95)

[Georg Bauhaus <rm.tsoh+bauhaus@maps.futureapps.de>]

On Fri, 2007-09-28 at 18:08 +0200, Jean-Pierre Rosen wrote:
> Ludovic Brenta a écrit :
> > Jean-Pierre Rosen writes:
> >> Library package renaming is a way to achieve the same effect without
> >> resorting to CM.
> > 
> > But what if you want to maintain two versions of the software in
> > parallel, like the OP does? You'll want two versions of the renaming.
> > I don't see how you'd do that without some sort of configuration
> > management system. OK, maybe I'm biased: I haven't worked without a
> > configuration management system since 1999 :)
> > 
> If you have something like:
> 
> with OS_Services_Linux;
> package OS_Services renames OS_Services_Linux;
> 
> You certainly need to edit the source to move to -say- a Windows 
> version, but I claim that it is not much more work than changing the 
> value of a variable in a Make file....

This is fine as long as you have control over the build process.
But if I understand the OP correctly, he wishes to write his part
of the software in such a way that others can integrate in with
their build machinery. Then, an environment variable set by the
build process is the input in data driven translation control :-)