[C++-sig] Building Boost::Stackless_Python - undefined symbol: PyUnicodeUCS4_FromEncodedObject

[Simon Pickles]

Hi,

Sorry for the cross post - I am lost over whether my problem resides 
with my Boost or Stackless Python build.

I am attempting to extend Stackless Python on Ubuntu 8.04.

I have built the examples in boost_1_35_0/libs/python/example/quickstart 
with bjam. This passes the tests if I run it with the default Ubuntu 
python installation (/usr/lib/python25). However it fails if I run it 
with the stackless python installation (/usr/local/lib/python25).

I get the error:

Trying:
    from extending import *
Expecting nothing
**********************************************************************
File "/home/simon/Dev/testSpace/boostPython/test_extending.py", line 6, 
in test_extending
Failed example:
    from extending import *
Exception raised:
    Traceback (most recent call last):
      File "/usr/local/lib/python2.5/doctest.py", line 1228, in __run
        compileflags, 1) in test.globs
      File "", line 1, in 
        from extending import *
    ImportError: /usr/local/lib/libboost_python-gcc42-d-1_35.so.1.35.0: 
undefined symbol: PyUnicodeUCS4_FromEncodedObject


I built libboost_python-gcc42-d-1_35.so.1.35.0 by pointing bjam at my 
stackless python installation:

sudo bjam -sPYTHON_ROOT=/usr/local/lib/python25 -sPYTHON_VERSION=2.5 stage

It is obviously some sort of Unicode error. I know ubuntu comes with 
unicode support, so is it a problem with my stackless build? How do I 
enable unicode when building stackless or test for its support?

Thanks

Si

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