On Sat, Jul 15, 2000 at 07:57:45PM +0200, M.-A. Lemburg wrote:
> I just tried to compile the current CVS version on Linux.
> The compile went fine, but when I started Python, I got:
> 'import site' failed; use -v for traceback
> Python 2.0b1 (#1, Jul 15 2000, 19:22:33) [GCC egcs-2.91.66 19990314/Linux (egcs-1.1.2 release)] on linux2
> Copyright 1991-1995 Stichting Mathematisch Centrum, Amsterdam
> Copyright 1995-2000 Corporation for National Research Initiatives (CNRI)
> Traceback (most recent call last):
> File "/home/lemburg/bin/pyinteractive.py", line 7, in ?
> import mx.Tools
> File "/home/lemburg/projects/mx/Tools/__init__.py", line 24, in ?
> from Tools import *
> File "/home/lemburg/projects/mx/Tools/Tools.py", line 10, in ?
> from mxTools import *
> File "/home/lemburg/projects/mx/Tools/mxTools/__init__.py", line 1, in ?
> from mxTools import *
> ImportError: /home/lemburg/projects/mx/Tools/mxTools/mxTools.so: undefined symbol: PyObject_Length
> Why isn't PyObject_Length being exported anymore ???
PyObject_Length is changed into a #define, to PyObject_Size. This preserves
the API but not the ABI ;) GCC has a construct to make one function an alias
for another:
PyObject * PyObject_Length() __attribute__((alias("PyObject_Size")));
But this is not likely to work in other compilers, and not on all
architectures to start with. The most portable solution is probably to make
PyObject_Length() a wrapper for PyObject_Size, and hope the compiler knows
how to handle that most efficiently.
--
Thomas Wouters <thomas@xs4all.net>
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