[Vm-dev] Cannot build successfully latest VM

Nicolas Cellier nicolas.cellier.aka.nice at gmail.com
Fri Nov 24 10:37:11 UTC 2017

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 at 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/
> 1dd1a9c0d61ed1c367fb226e59ce0386af3bf5ed
> and another one in https://github.com/OpenSmalltalk/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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