[Newbies] Aida 6.8 on Squeak 4.6

[stes@PANDORA.BE]

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I've found a solution or workaround to make Aida 6.8 final2 run on Squeak 4.6.

It is working fine on Squeak 5.0 but was throwing a 'doesNotUnderstand',
during initialization, in the Squeak 4.6 case.

I think that it is actually very easy to fix the problem.

The problem is in the category Swazoo for DateAndTime from the Swazoo 2.4.

If - after loading Swazoo 2.4 - I open the implementation of

fromMilliseconds: anInteger
	| ms uSec offset |
	offset := self localOffsetSeconds.
	ms := anInteger - (self epochOffset * 1000).
	uSec := ms * 1000.
	^ self utcMicroseconds: uSec offset: offset


it can be seen that the above is using #'localOffsetSeconds'
which I think is Squeak 5/Squeak 6 specific.

This is related I think to a "change in the Squeak Epoch" between 4 and 5.

Anyway this is not such a difficult thing to change, because when
I replace the above by:

fromMilliseconds: anInteger
	^ self fromSeconds:(anInteger/1000)


I'm not sure the above is correct.

But it helps because with the above implementation, I can load Aida 6.8final2,
just fine in Squeak 4.6 !

This is thanks to the fact that I use with the above fromSeconds:
the implementation of Squeak 4.6 which is totally different than in Squeak 5.

The nice thing is that the Aida 6.8 server starts fine in Squeak 4.6,
and when I connect to http://localhost:8888 the Aida 6.8 pages load OK.

So it seems very easy to fix, although I'm not sure that my simple
implementation of "fromMilliseconds:" as above, is correct.

But it helps to run Aida 6.8 on both Squeak 5 and Squeak 4.6.

David Stes

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