[PD] dynamic loading in external

[Joel Matthys]

Have a look at the aubio external; that uses an external lib and is 
cross-platform. Looks like it uses waf instead of a makefile though.

http://puredata.info/downloads/aubio/

Joel

On 01/09/2015 05:52 PM, David Medine wrote:
> Indeed, the ldl methods seem to work, but this is a horrible pain. It 
> means sprintf-ing together function calls, and it will mean no little 
> #ifdef _WIN32 statements. Blech!
>
> Maybe somewhere on stackoverflow there is an answer to this problem. 
> It does seem to be Pd specific, though.
> Cheers,
> David
>
> On 1/9/2015 3:04 PM, David Medine wrote:
>> Thanks for this.
>>
>> Yeah, I forgot to mention that I also set the LD_LIBRARY_PATH 
>> variable to the correct directory. I hope not to have to use dynamic 
>> loading in the code, particularly since I want this to work on 
>> Windows eventually as well.
>>
>> On 1/9/2015 2:12 PM, Claude Heiland-Allen wrote:
>>> On 09/01/15 21:34, David Medine wrote:
>>>> I am writing an extern that uses a 3rd party shared object library. I
>>>> keep getting a
>>>> "cannot open shared object file: No such file or directory"
>>>
>>> Maybe set the LD_LIBRARY_PATH environment variable to the directory 
>>> containing your 3rd party .so before starting Pd.
>>>
>>> Or rewrite your extern to use dlopen() dlsym() etc (which would be a 
>>> pain if your .so has a lot of symbols you need to reference).
>>>
>>>> posted to the Pd console when I load the extern. The library is 
>>>> linking
>>>> properly in my makefile (as far as I can tell) and the .so file that I
>>>> want the extern to load is in the same folder as the extern.
>>>
>>>
>>> Claude
>>
>>
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