I am attempting to extend Stackless Python on Ubuntu 8.04 with
boost::python.
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 "<doctest test_extending[0]>", line 1, in <module>
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. It appears my Ubuntu version
is UCS4 (looking at sys.maxunicode), while my stackless version, built
from svn, is UCS2. This would explain the missing
PyUnicodeUCS4_FromEncodedObject, I guess.
I tried building stackless with
./configure --enable-unicode=ucs4
but the make and install fail:
running build
running build_ext
INFO: Can't locate Tcl/Tk libs and/or headers
*** WARNING: renaming "_ctypes" since importing it failed:
build/lib.linux-i686-2.5/_ctypes.so: undefined symbol:
PyUnicodeUCS2_FromEncodedObject
*** WARNING: renaming "array" since importing it failed:
build/lib.linux-i686-2.5/array.so: undefined symbol:
PyUnicodeUCS2_FromUnicode
*** WARNING: renaming "_testcapi" since importing it failed:
build/lib.linux-i686-2.5/_testcapi.so: undefined symbol:
PyUnicodeUCS2_Decode
*** WARNING: renaming "unicodedata" since importing it failed:
build/lib.linux-i686-2.5/unicodedata.so: undefined symbol:
_PyUnicodeUCS2_ToNumeric
*** WARNING: renaming "_locale" since importing it failed:
build/lib.linux-i686-2.5/_locale.so: undefined symbol:
PyUnicodeUCS2_FromObject
*** WARNING: renaming "cPickle" since importing it failed:
build/lib.linux-i686-2.5/cPickle.so: undefined symbol:
PyUnicodeUCS2_DecodeUTF8
*** WARNING: renaming "pyexpat" since importing it failed:
build/lib.linux-i686-2.5/pyexpat.so: undefined symbol: PyUnicodeUCS2_Decode
*** WARNING: renaming "_elementtree" since importing it failed:
build/lib.linux-i686-2.5/_elementtree.so: undefined symbol:
PyUnicodeUCS2_Decode
*** WARNING: renaming "_multibytecodec" since importing it failed:
build/lib.linux-i686-2.5/_multibytecodec.so: undefined symbol:
PyUnicodeUCS2_Resize
running build_scripts
Is there anyway to overcome this incompatibility between UCS2 stackless
and UCS4 boost?
Thanks
Simon
Thanks
Si
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