Re: [xml] Building Python wrappers for libxml2 and libxslt under Python 2.2

[Daniel Veillard <veillard redhat com>]

On Tue, Sep 10, 2002 at 12:24:12PM -0400, Tres Seaver wrote:
> On a box where libxml2 and libxslt are installed via RPM, I need to
> build the Python wrappers for a Python which is *not* the system
> Python.  Under Python 2.1.3, this recipe works:
>
>   $ cd opt/libxml2-python-2.4.24
>   $ ../../bin/python setup.py build install
>
> Under Python 2.2.1, the same compile fails, because each C module tries
> to include the header file, "config.h".  My guess is that the 2.1.3
> builds are working (or at least appearing to) because Python's own
> include directory contains a config.h;  for Python >= 2.2, that file was
> renamed pyconfig.h.  In either case, the Python.h includes the
> appropriate file, and so including it directly has no effect.

  Hum, right ... BTW my RPM spec file (and Red Hat ones since they are
the same :-) build libxml2-python and libxslt-python with modules
for all the python installations found at RPM generation time. And 
this does not use the setup.py stuff (make rpm in the directory does it).

> Is this header file supposed to be one generated by the libxml2/libxslt
> configure process, rather than the Python one?  If so, how will this
> configuration be available in an environment where the base packages
> were compiled via RPM?  config.h is not installed into
> /usr/include/libxml2, for instance.

  Possibly including <libxml/xmlversion.h> should do it.
BTW I was unable to find how to lookup/associate Include directories
from the setup.py scripts. If libxml2 is installed in /usr it's easy
to spot but otherwise one would have to run xml-config, extract the
parameter and use them from the script. And for Windows I have really
no idea how to do this.

Daniel

-- 
Daniel Veillard      | Red Hat Network https://rhn.redhat.com/
veillard redhat com  | libxml GNOME XML XSLT toolkit  http://xmlsoft.org/
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