[mapserver-dev] Possible bug to be reported ?

[Jeff McKenna]

MS4W builds have leveraged SWIG-master (4.x) branch for several years 
now for PHP7, no known issues.

-jeff



On 2020-01-29 6:22 a.m., Seth G wrote:
> Hi Bruno,
> 
> I've got Python building with SWIG 4.0.1 - see the pull request at https://github.com/mapserver/mapserver/pull/5983
> I've not tested Perl or PHP so any feedback on these welcome.
> The Python issues are documented at https://github.com/mapserver/mapserver/issues/5982
> Let me know how you get on,
> 
> Seth
> 
> --
> web:http://geographika.co.uk
> twitter: @geographika
> 
> On Sun, Jan 26, 2020, at 9:12 AM, Bruno Friedmann wrote:
>> Hi Seth, I'm still trying to understand what's wrong, but I've almost a zero
>> knowledge about swig.
>>
>> Inside the buildroot in,
>> build/mapscript/python/CMakeFiles/_pythonmapscript.dir/mapscriptPYTHON_wrap.c
>>
>> I've dicovered that notation obj[0] is present which remember me a patch made
>> by an openSUSE fellow for gdal about this kind of trouble, not building with
>> SWIG 4x.
>> see https://github.com/OSGeo/gdal/pull/1819
>>
>> Any chance we have the same kind of problem here.
>>
>>
>> On jeudi, 23 janvier 2020 11.20:37 h CET Seth G wrote:
>>> Hi Bruno,
>>>
>>> I recall running into this when testing the SWIG 4 beta and Python
>>> MapScript. See SWIG mailing list post at
>>> https://sourceforge.net/p/swig/mailman/message/36649157/ - it has the same
>>> errors you have. I reverted to SWIG 3.0.12 to get it to build. If you get
>>> any further debugging this please post back. Regards,
>>>
>>> Seth
>>>
>>> --
>>> web:http://geographika.co.uk
>>> twitter: @geographika
>>>
>>> On Thu, Jan 23, 2020, at 9:22 AM, Bruno Friedmann wrote:
>>>> Hi all, I would like to have your thought about a problem.
>>>>
>>>> During the building process of mapserver7 on openSUSE (especially our
>>>> rolling flavor Tumbleweed).
>>>> It use for the build actually gcc9 9.2.1 and swig 4.0.1
>>>>
>>>> I only build now only for python3 (version 3.7.3) the mapscript part
>>>>
>>>> I've got this type of error
>>>>
>>>> [  151s] make -f
>>>> mapscript/python/CMakeFiles/_pythonmapscript.dir/build.make
>>>> mapscript/python/CMakeFiles/_pythonmapscript.dir/build
>>>> [  151s] make[2]: Entering directory '/home/abuild/rpmbuild/BUILD/
>>>> mapserver-7.4.3/build'
>>>> [  151s] [ 94%] Building C object mapscript/python/CMakeFiles/
>>>> _pythonmapscript.dir/CMakeFiles/_pythonmapscript.dir/mapscriptPYTHON_wrap.
>>>> c.o [  151s] cd
>>>> /home/abuild/rpmbuild/BUILD/mapserver-7.4.3/build/mapscript/python
>>>> && /usr/bin/cc -D_pythonmapscript_EXPORTS -I/home/abuild/rpmbuild/BUILD/
>>>> mapserver-7.4.3/build
>>>> -I/home/abuild/rpmbuild/BUILD/mapserver-7.4.3/renderec
>>>> [  151s]
>>>> /home/abuild/rpmbuild/BUILD/mapserver-7.4.3/build/mapscript/python/
>>>> CMakeFiles/_pythonmapscript.dir/mapscriptPYTHON_wrap.c: In function
>>>> 'imageObj_write':
>>>> [  151s]
>>>> /home/abuild/rpmbuild/BUILD/mapserver-7.4.3/build/mapscript/python/
>>>> CMakeFiles/_pythonmapscript.dir/mapscriptPYTHON_wrap.c:4020:28:
>>>> warning:
>>>> unused variable 'renderer' [-Wunused-variable]
>>>> [  151s]  4020 |         rendererVTableObj *renderer = NULL;
>>>> [  151s]       |                            ^~~~~~~~
>>>> [  151s]
>>>> /home/abuild/rpmbuild/BUILD/mapserver-7.4.3/build/mapscript/python/
>>>> CMakeFiles/_pythonmapscript.dir/mapscriptPYTHON_wrap.c: In function
>>>> '_wrap_CompositingFilter_filter_set':
>>>> [  151s]
>>>> /home/abuild/rpmbuild/BUILD/mapserver-7.4.3/build/mapscript/python/
>>>> CMakeFiles/_pythonmapscript.dir/mapscriptPYTHON_wrap.c:6617:66: error:
>>>> expected expression before ',' token
>>>> [  151s]  6617 |   if (!PyArg_ParseTuple(args,
>>>> "Oz:CompositingFilter_filter_set", , &arg2)) SWIG_fail;
>>>> [  151s]       |
>>>>
>>>> ^
>>>> [  151s]
>>>> /home/abuild/rpmbuild/BUILD/mapserver-7.4.3/build/mapscript/python/
>>>> CMakeFiles/_pythonmapscript.dir/mapscriptPYTHON_wrap.c: In function
>>>> '_wrap_clusterObj_region_set':
>>>> [  151s]
>>>> /home/abuild/rpmbuild/BUILD/mapserver-7.4.3/build/mapscript/python/
>>>> CMakeFiles/_pythonmapscript.dir/mapscriptPYTHON_wrap.c:7391:59: error:
>>>> expected expression before ',' token
>>>> [  151s]  7391 |   if (!PyArg_ParseTuple(args,
>>>> "Oz:clusterObj_region_set", ,
>>>> &arg2)) SWIG_fail;
>>>> [  151s]       |
>>>>
>>>>     ^
>>>>
>>>> So my questions are, is somebody else have seen this (arch, fedora exp...)
>>>> ? What is the root cause (will serve as subject for the issue).
>>>> Is there a simple stupid fix (then I could try to write it, test and PR
>>>> afterwards)
>>>>
>>>>
>>>> Thanks for any pointer
>>>
>>> _______________________________________________
>>> mapserver-dev mailing list
>>> mapserver-dev at lists.osgeo.org
>>> https://lists.osgeo.org/mailman/listinfo/mapserver-dev
>>
>>
>> -- 
>>
>> Bruno Friedmann
>>   Ioda-Net Sàrl www.ioda-net.ch
>>   
>>   GPG KEY : D5C9B751C4653227
>>   irc: tigerfoot
>>
>>