python's LINKFORSHARED

[Sean Farley]

Rainer Müller <raimue at macports.org> writes:

> On 2016-09-18 18:12, Rainer Müller wrote:
>> Hello pythonXY maintainers,
>> 
>> in python27, the LINKFORSHARED config variable is broken:
>> 
>> $ python2.7 -c "import distutils.sysconfig; \
>>   conf = distutils.sysconfig.get_config_var; \
>>   print (conf('LINKFORSHARED'))"
>> -u _PyMac_Error Python.framework/Versions/2.7/Python
>> 
>> This value cannot be used for linking. However, this is the exact
>> command that is used in the current macros in ax_python_devel.m4 from
>> autoconf-archive [1]. With this value, linking a test program with
>> python27 will always fail.
>> 
>> All other python ports (really all of python24-26 and python31-36,
>> except python27) fix the LINKFORSHARED variable with a reinplace in
>> post-destroot. The very same reinplace existed in the python27 port, but
>> was removed in r108762:
>> 
>>   * remove non-working attempt to change LINKFORSHARED. Any dependents
>>   relying on this are broken anyway and should  be fixed to get the
>>   required info from python2.7-config (#39223)
>> 
>> https://trac.macports.org/changeset/108762
>> https://trac.macports.org/ticket/39223
>> 
>> I don't know what the correct solution would be, but either all python
>> ports should use the same approach (and have a broken LINKFORSHARED), or
>> python27 should also do what apparently works for the other ports.
>
> I opened a pull request now to put the fix back into python27:
>
> https://github.com/macports/macports-ports/pull/53

Thanks a bunch for tackling this!