Here is the error: code 4, error number 0 (Symbol not found: _Py_DebugFlag Referenced from: /Library/Application Support/Digidesign/Plug-Ins/Play.dpm/Contents/MacOS/Play Expected in: /System/Library/Frameworks/AudioUnit.framework/Versions/A/AudioUnit )
On Thu, May 22, 2008 at 10:13 AM, Patrick Stinson < [EMAIL PROTECTED]> wrote: > I get an error reporting an unfound symbol using a statically linked > release build of python2.5 on a OSX-Tiger. This works fine on leopard, where > the system default python is version 2.5.1 - the same version that I'm using > to link to. > > Sorry, I'm currently screwing with my configs and don't have a build to run > (my bad :) anymore, but the error is basically this: > > Undefined symbol: _PY_DebugFlag > Referenced From: <my exe> > Expected in: <core audio framework lib image location> > > I moved the system python frameworks out of the frameworks path for the > build and run just to make sure that they weren't somehow getting in the > way. I found that that symbol is defined in pydebug.h for both release and > debug builds. Also, I discovered that I can fix the problem with some of my > targets (I have both standalone exe and plugin lib versions of my app code) > by referencing the variable directly like this: int mine = Py_DebugFlag, > which fixes that symbol but then the next symbol in pydebug (PY_VerboseFlag) > is reported as undefined. After some playing with it, I found that the > following code will fix the problem in a basic standalone app: > > int _________mine; > void *__________p = NULL; > _________mine = Py_DebugFlag; > _________mine = Py_VerboseFlag; > _________mine = Py_InteractiveFlag; > _________mine = Py_OptimizeFlag; > _________mine = Py_NoSiteFlag; > _________mine = Py_UseClassExceptionsFlag; > _________mine = Py_FrozenFlag; > _________mine = Py_TabcheckFlag; > _________mine = Py_UnicodeFlag; > _________mine = Py_IgnoreEnvironmentFlag; > _________mine = Py_DivisionWarningFlag; > _________mine = _Py_QnewFlag; > __________p = (void *) _PyOS_ReadlineTState; > __________p = (void *) PyOS_ReadlineFunctionPointer; > > > Woah, don't I feel like the lib is jerking me around a little? Anyway, this > works if I put it in main() for a standalone target, in a semi-random class > constructor for the AudioUnit target, and I still can't find the right place > to put it for the RTAS ( > http://www.digidesign.com/index.cfm?query=developers%20plugin_info%20rtas.cfm&langid=1) > target. It's a little weird that I'm getting this at runtime and not at > link-time since I'm linking statically. > > This is the standalone main() that works, but fails if I remove the above > code: > > #include <Python.h> > > int main(int, char **) > { > int mine = -1; > void *p = NULL; > > mine = Py_DebugFlag; > mine = Py_VerboseFlag; > mine = Py_InteractiveFlag; > mine = Py_OptimizeFlag; > mine = Py_NoSiteFlag; > mine = Py_UseClassExceptionsFlag; > mine = Py_FrozenFlag; > mine = Py_TabcheckFlag; > mine = Py_UnicodeFlag; > mine = Py_IgnoreEnvironmentFlag; > mine = Py_DivisionWarningFlag; > mine = _Py_QnewFlag; > p = (void *) _PyOS_ReadlineTState; > p = (void *) PyOS_ReadlineFunctionPointer; > > Py_Initialize(); > > Py_Finalize(); > } > > > It seems to me like this might have something to do with setting up a > symbol lookup table correctly or something, I don't know. I'm not having any > problems with debug builds. This is the relevant part of my config.status. > > ac_cs_version="\ > > python config.status > 2.5 > > configured by ./configure, generated by GNU Autoconf > 2.59, > > with options \"'--enable-universalsdk' '--disable-shared'\" > > > Help? *whimper*.. Cheers. > >
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