undefined symbols when linking Python into a shared library

[Michael Neuroth]

Mats Wichmann writes:

> :  Traceback (most recent call last):
> :
> :    File "<string>", lind 2, in ?
> :
> :    File "/usr/lib/python2.1/lib-tk/Tkinter.py", line 35, in ?
> :
> :      import _tkiter # If this fails your Python my not be configured for Tk
> :
> :  ImportError: /usr/lib/python2.1/lib-dynload/_tkiter.so: undefined symbol: _Py_NoneStruct
>
> If this is a direct snip, and not a transcription, the problem is sa
> typo: _tkiter is used instead of _tkinter

Sorry, I misstyped the error message, it should be _tkinter.

> :  How can I verify, that this symbols are in the shared library?
>
> Use objdump on the shared library

this works as well as "nm -D" and objdump shows that the symbol is exported:

000a7bac g    DO .data  00000008  Base       _Py_NoneStruct

Thank you.

  Michael.