skaller wrote:
>>
>>>Fixpoint iteration works and is universal.
>>
>>It isn't universal, though.  There are pathalogical cases, even with common
>>tools where it never will stabilize. 
> 
> I think it is very rare to find a case which would
> stabilise with a manual order and not fixpoint iteration.

That isn't the point, though. There are tools that are not intended to 
produce stable outputs! For example, a tool might be generating time 
stamps or guids in its output files. Such tools will never work with a 
fixpoint scheme, so you can hardly claim its universality.

Also, I'm not convinced that the move from a declarative to an 
imperative build paradigm is really what most people into functional 
programming would like to see... ;-)

   - Andreas

-- 
Andreas Rossberg, rossberg@ps.uni-sb.de

Let's get rid of those possible thingies!  -- TB

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