Bugs item #1536825, was opened at 2006-08-08 11:48
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Category: Distutils
Group: Python 2.4
Status: Open
Resolution: None
Priority: 5
Submitted By: Parzival Herzog (walt-kelly)
Assigned to: Nobody/Anonymous (nobody)
Summary: distutils.sysconfig.get_config_h_filename gets useless file
Initial Comment:
python -v:
Python 2.4.1 (#2, Aug 25 2005, 18:20:57)
[GCC 4.0.1 (4.0.1-2mdk for Mandriva Linux release
2006.0)] on linux2
While attempting to install cElementTree, the setup
build failed because the setup.py attempted to parse
the sysconfig.h file, using the filename provided by
distutils.sysconfig.get_config_h_filename(). The file
retrieved was "/usr/include/python2.4/pyconfig.h",
which contains the text:
----------
#define _MULTIARCH_HEADER python2.4/pyconfig.h
#include <multiarch-dispatch.h>
----------
The cElementTree setup.py script then parsed this
file, and attempted to configure itself as follows:
--------
# determine suitable defines (based on Python's
setup.py file)
config_h = sysconfig.get_config_h_filename()
config_h_vars =
sysconfig.parse_config_h(open(config_h))
for feature_macro in ["HAVE_MEMMOVE",
"HAVE_BCOPY"]:
if config_h_vars.has_key(feature_macro):
defines.append((feature_macro, "1"))
--------
Since file with useful information is in
"/usr/include/multiarch-i386-linux/python2.4/pyconfig.h",
the subsequent build failed due to no HAVE_MEMMOVE or
HAVE_BCOPY macro being defined.
So, either
1) the cElementTree setup.py script is too clever for
its own good, or is not clever enough, (tell that to
F. Lundh) or
2) the sysconfig.get_config_h_filename is returning
the wrong filename (i.e. a file that does not
actually contain the needed configuration
information), or
3) sysconfig.parse_config_h should, but does not
follow the multi-arch-dispatch.h include, to get at
the real sysconfig_h defines, or
4) Mandriva 2006 has messed up the Python
distribution with that multi-arch-dispatch thing.
I'm hoping that a solution is found rectifying either
(2) or (3).
----------------------------------------------------------------------
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