[PD] [Pd] Compile external with C++ compiler?

[Ed Kelly]

Hi Joe,

It's an app for remixing music. Can't say more than that, but if everything gets finished on time it will be out next month. Wasn't my idea to make this, but I've done things like it before. The record label is quite well known...
Ed

 
Gemnotes-0.1alpha: Live music notation for Pure Data
http://sharktracks.co.uk/


________________________________
 From: Joe White <white.joe4 at gmail.com>
To: Ed Kelly <morph_2016 at yahoo.co.uk> 
Cc: pd-list <pd-list at iem.at> 
Sent: Friday, 27 April 2012, 9:45
Subject: Re: [PD] [Pd] Compile external with C++ compiler?
 

Hi Ed,

Thanks for the advice, although I don't think this piece of work warrants changing our audio engine :)

ofxPd looks cool though, what's sort of app are you making? (If you can say). 

Cheers,
Joe


On 27 April 2012 02:05, Ed Kelly <morph_2016 at yahoo.co.uk> wrote:

Hi Joe,
>
>
>Have you thought of using ofxPd?
>
>
>I'm involved in the creation of an app for the iPhone right now, and we're using ofxPd from Dan Wilcox:
>https://github.com/danomatika/ofxPd
>Since Openframeworks is a bunch of C++ wrappers for various libraries, ofxPd adds Pd to the libraries that you can work with in C++.
>Then you can call the setup function within the xcode build, and your object will work in libpd (i.e. ofxPd) in the app environment.
>Bear in mind that Apple do not like GnuGPL licensed stuff, so I've created BSD licensed versions of some of my own Pd externals for this project.
>
>
>
>And the app works. We're in the final stages now, so I'll post to the list when it's complete!
>Best,
>Ed
>
> 
>Gemnotes-0.1alpha: Live music notation for Pure Data
>http://sharktracks.co.uk/
>
>
>________________________________
> From: Joe White <white.joe4 at gmail.com>
>To: pd-list <pd-list at iem.at> 
>Sent: Thursday, 26 April 2012, 16:51
>Subject: [PD] [Pd] Compile external with C++ compiler?
> 
>
>
>Hi all,
>
>
>Thought I might as well ask this here because you guys know everything :)
>
>
>I'm writing an external to be built into an iOS app that's running Pd. The catch is I need to interface with a C++ library within the external. 
>
>
>The external builds and runs fine if I'm using the C compiler (in Xcode) but I can't access the C++ library functions. If I switch it to compile in C++ (by changing the objective-c file from .m to .mm) then I can use the C++ library functions but it complains that it can't find 'class_addmethod'
>
>
>                          'No matching function for call to 'class_addmethod'
>
>
>I've tried declaring the setup function as C code like Katja explains on her site:
>                          extern "C" void external_tilde_setup(void) { }
>But that still didn't seem to work. I was also going through the list and found this thread but I'm not sure if it's the right approach. Plus I'm more of an audio guy than programmer :)
>
>
>Any ideas would be much appreciated.
>
>
>Thanks,
>Joe
>
>-- 
>Follow me on Twitter @diplojocus
>
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