Thread

Re: PATCH: Compiling PostgreSQL using ActiveState Python 3.2

Ashesh Vashi <ashesh.vashi@enterprisedb.com> — 2011-08-18T09:21:44Z

Please ignore the previous patch.
Please find the updated patch.

--

Thanks & Regards,

Ashesh Vashi
EnterpriseDB INDIA: Enterprise PostgreSQL Company<http://www.enterprisedb.com>



*http://www.linkedin.com/in/asheshvashi*<http://www.linkedin.com/in/asheshvashi>



On Thu, Aug 18, 2011 at 12:57 PM, Ashesh Vashi <
ashesh.vashi@enterprisedb.com> wrote:

>  On Thu, Aug 18, 2011 at 1:25 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>
>> Peter Eisentraut <peter_e@gmx.net> writes:
>> > On ons, 2011-08-17 at 13:20 -0400, Tom Lane wrote:
>> >> It's not immediately apparent to me why we should think that
>> >> get_python_lib is less trustworthy than LIBPL; but if someone
>> >> can make that case, I don't have any objection to this part of
>> >> the patch.
>>
>> > The issue, at least for me, is that the file isn't necessarily called
>> > 'config' anymore.  I have
>> > /usr/lib/python3.2/config-3.2mu
>>
> One of the reason, I say that - we do have hard-coded values for the config
> directory.
> Hence, I used the LIBPL.
>
>>
>> Ah, I see.
>>
>> > LIBPL exists at least as far back as Python 2.2, so its use should be
>> > safe.
>>
>> Yeah, that part of the patch seems sane then.
>>
>> > Yes, because get_config_vars('LDVERSION') doesn't exist in that version.
>> > In theory, it would return '2.7', so everything would fit back together,
>> > but LDVERSION doesn't exist before 3.2.
>>
> Oops - sorry...
> I did not know about it..
>
>>
>> Could we have the code use 'LDVERSION' if it gets a nonempty result,
>> and otherwise fall back to the current scheme?  But I guess first we
>> need some details as to why the current scheme isn't sufficient.
>>
> Please find the attached patch as you suggested.
>
> Reason:
> - As per my findings, ActiveState Python 3.2 does not provide shared
> libraries along with it.
>  (Though - I am not sure about the earlier version of ActiveState Python)
>  We can confirm the same using the following command:
>  ${PYTHON} -c "import distutils.sysconfig,string;
> print(distutils.sysconfig.get_config_vars('Py_ENABLE_SHARED'))"
> Which returns in this case '0'.
>
> And, getting values for the 'python_ldlibrary' and 'python_so'  are
> 'libpython3.2m.a' and '.cpython-32m.so' respectively.
> So, the condition - *x"${python_ldlibrary}" != x"${ldlibrary}"* is always
> failing, and switching it back to link the old way.
>
> --
>
> Thanks & Regards,
>
> Ashesh Vashi
> EnterpriseDB INDIA: Enterprise PostgreSQL Company<http://www.enterprisedb.com/>
>
>
>
> *http://www.linkedin.com/in/asheshvashi*<http://www.linkedin.com/in/asheshvashi>
>
>
>>
>>                        regards, tom lane
>>
>
>