[Vm-dev] Cannot build successfully latest VM

Nicolas Cellier nicolas.cellier.aka.nice at gmail.com
Fri Nov 24 15:45:27 UTC 2017


I can generate a working Win64 squeak cog spur VM at least up to
VMMaker.oscog-cb.2272, no time to finish bissecting right now...

2017-11-24 11:37 GMT+01:00 Nicolas Cellier <
nicolas.cellier.aka.nice at gmail.com>:

> Hmm, I tried to fix declaration of unskew, but it does not seem enough...
>
> 2017-11-23 21:06 GMT+01:00 Nicolas Cellier <nicolas.cellier.aka.nice@
> gmail.com>:
>
>> Hi Clement,
>> I let a comment on line 1972 of src/plugins/BitBltPlugin/BitBltPlugin.c
>> <https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/1dd1a9c0d61ed1c367fb226e59ce0386af3bf5ed#diff-e013b6766a05037812d48960702c0910>
>> on commit
>> https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/1dd
>> 1a9c0d61ed1c367fb226e59ce0386af3bf5ed
>>
>> and another one in https://github.com/OpenSmallta
>> lk/opensmalltalk-vm/commit/4ff34235c24ea2fd690287f96a73834e744ad6c9
>>
>> The problem is that a local variable unskew was generated as unsigned int
>> instead of int in BitBlt, but we then test if unskew < 0 which is obviously
>> going to be eliminated as dead code...
>>
>> I did not try to compile the VM, but I'm pretty sure this is related.
>>
>> 2017-11-23 17:00 GMT+01:00 Clément Bera <bera.clement at gmail.com>:
>>
>>>
>>> Hi,
>>>
>>> The latest VM that I build from open-smalltalk VM 2278 or 2280 does not
>>> work (Stack overflow at start-up OR bugged UI with strange color making any
>>> text impossible to read).
>>>
>>> I have the problem on 2 different computers, Mac OS X and Linux.
>>>
>>> I am able to build successfully the VM from 2274 but I can do it only
>>> with a previous version of the platform files (else I got a linking error -
>>> scavengeLog: used but not implemented).
>>>
>>> I am not sure the problem comes from the recent platform files or the
>>> recent changes in the VMMaker packages since they need each other to be
>>> able to be compiled.
>>>
>>> What is the right way to work around this problem ?
>>>
>>> I am about to commit on VMMaker package Sista update but I cannot merge
>>> with 2280 since I can't compile a working VM from there, so I'll commit
>>> without merging if I cannot solve this problem
>>>
>>> Thanks,
>>>
>>> --
>>> Clément Béra
>>> https://clementbera.wordpress.com/
>>>
>>>
>>
>
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