[PD] how to share a .pd_darwin file?

IOhannes m zmoelnig zmoelnig at iem.at
Wed Feb 10 11:57:25 CET 2016

On 2016-02-10 10:24, i go bananas wrote:
> i just made my first proper external, and was so super chuffed that i got
> it working.
> i'm on osx, so using .pd_darwin extension.
> i put it in my extra folder, made a demo patch in pd, and it works fine.
> only problem is, when i shared the .pd_darwin with 2 friends, it didn't
> work for either of them. (i checked they had put it in the extra folder)
> does anyone have an idea what might be wrong?

how about:

tell them to Pd in verbose-mode ("-verbose"), and see whether the
external can be found (and if it can't be found, this will give you a
clue where Pd searches for the libraries).

if it can be found, try to find out whether the dylib loader throws an
error (e.g. on the stderr/stdout; so you might need to start Pd from the

do you use the same Pd version?
Pd's API is very stable, but every now and then a new function is added.
if you use such a new function in your code, then you cannot use the
external with a version of Pd that predates the introduction of said

do you (dynamically) link against non-standard libraries?
are they present (and in a searched-for location) on your friends machine?


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