New tcl-8.5 and 8Kingdoms

Hans de Goede j.w.r.degoede at hhs.nl
Sun Jan 6 09:03:33 UTC 2008


Wart wrote:
> Hans de Goede wrote:
>> Michael Thomas wrote:
>>> Did you have to make any changes to 8Kingdoms to get it to build with
>>> Tcl 8.5?  If so please pass along any patches.  I'll try building and
>>> running it myself to see if I can track down the problem.
>>>
>> Nope,
>>
>> No changes, I also did a diff between the buildlogs, no new compiler
>> warnings or anything like that.
>>
>> I did build it with gcc-4.3, as I was working on it not building with
>> gcc-4.3 too.
>>
>> I've just committed my latest 8Kingdoms work to cvs, so you can get it
>> from there, including a patch for the crash you reported (tested using
>> tcl 8.4).
> 
> It looks like it's a result of the stack checking code in the Tcl
> library itself.  Turning off the stack checking code by compiling Tcl
> with -DTCL_NO_STACK_CHECK=1 makes the problem in 8Kingdoms go away.
> 
> With the stack checking turned on, the Tcl scripts in 8Kingdoms fail
> with the error "out of stack space (infinite loop?)".  This error is
> generated by the stack checking code in tclBasic.c line 3439.
> 
> I don't understand enough of this stack checking stuff to debug it any
> further, unfortunately.
> 

Well that looks like C-code to me, so I'll dive into it when I find the time.

Regards,

Hans




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