[PD-dev] dlopen error _class_addlist

Dan Wilcox danomatika at gmail.com
Thu Jun 10 01:48:02 CEST 2021

More likely that my additions to pd-lib-builder form arm64 are incomplete. I’m just sure where to start debugging.

enohp ym morf tnes
Dan Wilcox

> On Jun 10, 2021, at 12:11 AM, Miller Puckette <msp at ucsd.edu> wrote:
> Hmm... I think if there are 100s of undefined symbols the extern loader
> in Pd only reports one of them (seemingly choosing one at random).  So this
> is probably a failure of dlopen to see any symbols from the calling pd at
> all.
> But why this should happen for arm and not for intel arch escapes me...
> perhaps Mac has added some more hurdles to dynamically loading code, but
> only turned them on for arm?
> M
>> On Wed, Jun 09, 2021 at 11:57:47PM +0200, Dan Wilcox wrote:
>> Howdy all,
>> I'm building an application which uses libpd and a couple pre-compiled externals as universal macOS app for x86_64 and arm64 (new Apple CPU). So far, building and signing etc is working but now I'm running into an issue when the externals are being loaded on arm64:
>> Pd: error:../pd/zirkhoa.d_fat: dlopen(.../pd/zirkhoa.d_fat, 10): Symbol not found: _class_addlist
>>  Referenced from:.../pd/zirkhoa.d_fat
>>  Expected in: flat namespace
>> in .../pd/zirkhoa.d_fat
>> None of the external sources use class_addlist, so I assume that's something internal? Could this be an issue with the new architecture within libpd / the pd core?
>> The x86_64 builds run fine on Intel machines.
>> --------
>> Dan Wilcox
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