Bug#807339: qgis: saga not available in processing toolbox

[Moritz Lennert]

On 04/05/16 10:40, Bas Couwenberg wrote:
> On 2016-05-04 10:12, Moritz Lennert wrote:
>> On 03/05/16 22:51, Sebastiaan Couwenberg wrote:
>>> On 03/10/2016 07:42 AM, Sebastiaan Couwenberg wrote:
>>>> On 11-12-15 23:19, Sebastiaan Couwenberg wrote:
>>>>> On 08-12-15 16:05, Sebastiaan Couwenberg wrote:
>>>>>> It seems QGIS doesn't support SAGA 2.2.2 yet:
>>>>>>
>>>>>> https://lists.osgeo.org/pipermail/qgis-developer/2015-December/040670.html
>>>>>
>>>>> QGIS 2.12 and later do support SAGA 2.2, but these changes have not
>>>>> been
>>>>> backported to QGIS 2.8 LTR yet. Hopefully they'll be backported for
>>>>> QGIS
>>>>> 2.8.5.
>>>>
>>>> We have QGIS 2.14 in unstable now, SAGA was updated to 2.2.4 in the
>>>> mean
>>>> time, but remains unavailable in the processing toolbox.
>>>>
>>>> There are a number of SAGA 2.2.x related commits available in the
>>>> 2.14
>>>> branch which may fix the issue in QGIS 2.14.1 to be released by the
>>>> end
>>>> of the month.
>>>
>>> No SAGA changes in 2.14.2, I'm seriously starting to doubt if we can
>>> support recent SAGA versions in QGIS. It seems the SAGA version in
>>> unstable will always be more current than the supported versions in
>>> QGIS.
>>
>> I think the question is mainly whether we can aim for compatible
>> versions in a stable release, or ?
>
> For stable we may be able to support the SAGA version with QGIS in
> backports.
>
> It seem that for every SAGA release, the list of support versions in the
> QGIS processing plugin needs to be updated. See for example the changes
> for SAGA 2.2.3:
>
>
> https://github.com/qgis/QGIS/commit/607642a562f58652a2939aad64d6476fc50f02de
>
> There is currently no explicit support for SAGA >= 2.2.4. There is an
> outstanding issue in the upstream issue tracker about changes required
> for SAGA 2.24:
>
>    http://hub.qgis.org/issues/14735
>
> With the frequent API breakage in new SAGA releases, and the lack of
> manpower in the QGIS project to keep the SAGA processing plugin updated,
> I remain sceptical of our ability to support SAGA in QGIS.
>
>
> https://lists.osgeo.org/pipermail/qgis-developer/2015-December/040797.html

Are there any Saga devs involved in this discussion ? Maybe it would be 
possible to convince them to avoid API changes in minor versions...

Moritz