[PD] Help with window error loading sfont~ external

[Alexandre Torres Porres]

hey, thanks, I can confirm that this was the issue for the user ;) so it's
solved for now

Em dom., 1 de jan. de 2023 às 18:50, Alexandre Torres Porres <
porres at gmail.com> escreveu:

> wow, thanks, I'm reporting back to the user to see if it's exactly this.
>
> Now, this seems to be a problem just for windows, right? Loading zexy
> before sfont~ here on mac is ok
>
> cheers
>
> Em dom., 1 de jan. de 2023 às 07:18, Christof Ressi <
> info at christofressi.com> escreveu:
>
>> Hi Alex,
>>
>> happy new year!
>>
>> I have recently experienced the same issue! I am also using zexy and for
>> some reason [sfont~] would only load if [sfont~] loaded *before *zexy.
>> Here's a hacky solution:
>>
>> [declare -lib else/sfont~ -lib zexy]
>>
>> ---
>>
>> I think the reason for such problems is this:
>>
>> Plugin A and plugin B both link dynamically to third-party library C.
>>
>> A and B ship their own versions of C (C-a and C-b)
>>
>> If A is loaded first, C-a is loaded into memory and B will try to use C-a.
>>
>> If B is loaded first, C-b is loaded into memory and A will try to use C-b.
>>
>> This is ok if C-a and C-b are compatible, but it leads to problems if
>> they are not.
>>
>> That's why *plugins *should be linked statically whenever possible,
>> because they cannot know which modules have already been loaded. (The only
>> big exception is when plugins are distributed via package managers, since
>> the latter are responsible for managing dependencies.)
>>
>> ---
>>
>> In this particular case, the problem is the following:
>>
>> Both zexy and libfluidsynth link against libintl-8; zexy wants to import
>> "libintl_gettext", libfluidsynth wants to import "DllMain". However, the
>> libintl-8 version shipped with zexy does not export "DllMain", so
>> libfluidsynth won't load.
>>
>> If I replace zexy's libintl-8 with else's libintl-8, both objects load
>> correctly, regardless of which is loaded first.
>>
>> Actually, I don't really understand why libfluidsynth's libintl-8 exports
>> "DllMain" in the first place and why libfluidsynth wants to import it...
>> According to the output of Dependencies, it does not seem to call any other
>> function (see attachment).
>>
>> Christof
>> On 31.12.2022 21:14, Alexandre Torres Porres wrote:
>>
>> Hi everybody! There's this issue we're having a hard time troubleshooting
>> and I hope Windows and Pd experts can help figuring this out!
>>
>> So, a user is having issues loading the [sfont~] object from ELSE in Pd
>> on Windows, even though me and others cannot reproduce the error. When
>> trying to create the object, he gets:
>>
>> H:\JOE-W10\Documents\Pd\externals\else\sfont~.m_amd64: La procédure
>> spécifiée est introuvable (*The specified procedure is not found*).
>> (127)
>>  sfont~
>> ...couldn't create
>>
>> An error window also pops up and says:
>>
>> "*Entry point not found *
>> *The DllMain procedure entry point is not found in the dynamic link
>> library *
>> *H:\JOE-W10\Documents\Pd\externals\libfluidsynth-3.w64.*"
>>
>> I don't know what this error means and why me and others don't get this
>> error!
>>
>> Of course we did troubleshoot installation and everything but we still
>> can't figure it out and I have ZERO experience with windows.
>>
>> It is important to note that the user reports he can use PlugData which
>> carries ELSE and the object works just fine. The similar [fluid~] object
>> (equally based on FluidSynth like sfont~) also works when used in the
>> PurrData installation, but the user is also having problems loading fuild~
>> in Vanilla.
>>
>> A screenshot and further discussion is found here
>> https://github.com/porres/pd-else/issues/1405#issuecomment-1368250330
>>
>> Thanks
>> Alex
>>
>> AND HAPPY 2023!!!!
>>
>>
>>
>> _______________________________________________Pd-list at lists.iem.at mailing list
>> UNSUBSCRIBE and account-management -> https://lists.puredata.info/listinfo/pd-list
>>
>> _______________________________________________
>> Pd-list at lists.iem.at mailing list
>> UNSUBSCRIBE and account-management ->
>> https://lists.puredata.info/listinfo/pd-list
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.puredata.info/pipermail/pd-list/attachments/20230102/8236e87b/attachment.htm>