[elephant-devel] Error when loading elephant on Mac OS with Lispworks 5.1

[Chun Tian (binghe)]

> Hi,
>
>> On 4/7/08, Jens Teich <info at jensteich.de> wrote:
>>> Lispworks 5.1
>>> Mac OS X 10.5
>>> **++++ Error in (DEFCLASS ELEPHANT:BTREE-INDEX):
>>> Invalid allocation type INSTANCE for slot-definition-allocation
>>
>> There seems to have been a MOP conformance fix with Lispworks 5.1  
>> which causes
>> the (setf slot-definition-allocation) on (or around) line 250 in
>> metaclasses.lisp to fail.
>> Changing the conditionalization to #+(and :lispworks (not
>> :lispworks5.1)) seems to resolve the issue, although what this really
>> needs is an ACL like version test feature to prevent this recurring.
>
> There's no ACL like version test feature, but LW version feature is  
> enough because LW is much stable. So I suggest to use (remove  
> the :lispworks3 as you wish)
>
> #+(and :lispworks3 :lispworks4 :lispworks5.0)

Oh, what I want is:

#+(or :lispworks3 :lispworks4 :lispworks5.0)

Sorry.

>
>
> instead of
>
> #+(and :lispworks (not :lispworks5.1))
>
> As former will fit all later LispWorks releases. See this:
>
> http://www.lispworks.com/documentation/lw51/RNIG/html/readme-364.htm#pgfId-918212
>
> And this is another LispWorks 5.1 MOP change will may be useful to  
> know:
>
> http://www.lispworks.com/documentation/lw51/RNIG/html/readme-363.htm#pgfId-918977
>
> Regards,
>
> Chun Tian (binghe)
>
>>
>>
>> Sean.
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>