Trouble compiling with msvc80 and possible solution

[Michael Leupold]

Michael Leupold schrieb:
> Michael Leupold schrieb:
>> Ralf Habacker schrieb:
>>> Michael Leupold schrieb:
>>> this issue is fixed in svn - please run
>>> emerge --update kdewin
>> Thanks, mt.exe works fine now.
>>
>> However I seem to face another bug. It seems cmake uses a wrong build 
>> order and executes mt as the LAST tool (even after linking). That almost 
>> looks like a cmake bug, is it? Logs attached.
> 
> Alright, I found something :-)
> 
> cmake uses the /notify_update switch on mt.exe (which seems to be 
> undocumented at least on my version). If this switch is set, mt.exe will 
> set its return value to 0 if the output file wasn't modified and to 
> 1090650113 (magic :-)) if the output file was rewritten. Apparently 
> that's meant to save some time relinking.
> 
> Recompiling mt.exe with that magic value set as rc (unconditionally) 
> makes it work.
> 
> I also found this related commit to cmake which contains an explanation:
> http://www.cmake.org/pipermail/cmake-commits/2008-January/002891.html

Unfortunately I was rejoicing too early. While the first build works 
fine with this build, the modified mt.exe (returning magic 
conditionally) breaks on updating Qt. I pretty much don't have a clue 
why though and I don't have a lot more time to invest into it :-(

Regards,
Michael