A common linking issue with fftw is that you are using (and not linking) à 
specific precision for fftw (fftwf or fftwl). See 
https://www.fftw.org/fftw3_doc/Precision.html

--
Johann PHILIPPE

Electroacoustic composer & computer music designer

+33 6 77 20 98 41


---- Message d'origine ----
> De : Francesco Vitucci <f.v.b...@gmail.com>
> À : Stéphane Letz <l...@grame.fr>
> Sujet : Re: [Faudiostream-users] Fftw foreign function
> Date : 18/02/2024 10:27:20 Europe/Paris
> Copie à : faudiostream-users@lists.sourceforge.net
> 
> Ok,
> Thanks so much, I'll try to ask there.
> 
> Francesco Vitucci
> 
> 
> Il dom 18 feb 2024, 10:03 Stéphane Letz <l...@grame.fr> ha scritto:
> 
> > This seems more a link issue, not really related to Faust by itself right 
> ?
> >
> > In any case we can possibly chat and try to help on Faust Discord:
> > https://faust.grame.fr/community/help/#faust-on-discord
> >
> > Stéphane
> >
> > > Le 18 févr. 2024 à 09:58, Francesco Vitucci <f.v.b...@gmail.com> a
> > écrit :
> > >
> > > Good morning,
> > > I'm trying to use fftw to write a foreign function that can perform 
> some
> > tasks based on the Fourier transform. I don't know if it will be possible
> > to use it, for the moment it is only an attempt.
> > > At the moment, in the same folder, there are the .dsp file and the .h
> > file (with the inclusion of fftw3.h, the foreign function declared and
> > written).  When I try to invoke any faust2..., I get "Undefined symbols 
> for
> > architecture x86_64" errors followed by the names of some functions from
> > the fftw package.  I installed this library via homebrew and I think the
> > problem at the moment may be that the gcc compiler doesn't point towards
> > the library.  What do you think?  I would like to find a way to solve it.
> > >
> > > Thank you very much
> > >
> > > Francesco Vitucci
> > > _______________________________________________
> > > Faudiostream-users mailing list
> > > Faudiostream-users@lists.sourceforge.net
> > > https://lists.sourceforge.net/lists/listinfo/faudiostream-users
> >
> >
> 
> 
> _______________________________________________
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> 





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