Re: Conditional Code in Ada 95?

["Jean-Pierre Rosen" <rosen.adalog@wanadoo.fr>]

Michael F Brenner a �crit dans le message <6rrtuf$cqg@top.mitre.org>...
>>> I just saw some Ada95 code riddled with conditional
>>> compilation statements. I wasn't aware that this
>>> was part of Ada95 and I can't find it in the ARM.
>
>> Fortunately... The clean (and compatible) way remains
>> hardware-specific units when needed and, within an unit,
>> constants like ...
>
>Yes, constants are good for executable statements. However, there is
>no way WITHIN the Ada language to select which of the hardware
>specific bodies to use with a multi-platform package.


However, there is something that's damn close to it:

with Hardware_Specific_1;
package Hardware_Specific renames Hardware_Specific_1;

and then use package Hardware_Specific all over the place. If you change
hardware, there is one line to change in the whole program.