[QGIS-Developer] Is there a recommended GDAL version for QGIS 3.34?

[Thomas Larsen Wessel]

Thanks for the feedback, Matthias :)

Meanwhile, I think I found the reason why this test does not fail on CI.

checkGitStatus does not pass, it skips. And it skips because an
environment variable QGIS_TEST_ACCEPT_GITSTATUS_CHECK_FAILURE is set to 1
in the docker container.



On Sat, Sep 7, 2024 at 11:49 AM Matthias Kuhn <matthias at opengis.ch> wrote:

> Hi Thomas,
>
> I would recommend opening a pull request (flag it as draft if not yet sure
> if it's ready for review) and see what feedback you get from CI.
>
> You can also run a limited number of tests locally for a shorter feedback
> loop during development / feedback for test results. Your time is probably
> better spent developing than on getting a fully functional local test
> environment, just make sure you don't actually commit any changed gpkg into
> the pull request.
>
> Cheers
> Matthias
>
> On Sat, Sep 7, 2024 at 10:36 AM Thomas Larsen Wessel via QGIS-Developer <
> qgis-developer at lists.osgeo.org> wrote:
>
>> Could someone please tell me if Im correct in thinking that the unittest
>> on GitHub, CI for Qt5, will also fail because GDAL v. 3.4.1 updates
>> timestamps of gpkg files, even when just reading them. And if it does not
>> fail "checkGitStatus", then why not? What is different between my Ubuntu
>> 22.04 and the Ubuntu 22.04 that runs tests on GitHub?
>>
>> I have more tests failing locally than just gitCheckStatus, but I chose
>> this one as the first one to deal with. And I thought compiling against a
>> more recent version of GDAL was the solution.
>>
>> If I've gone off track, or completely misunderstood something, then
>> please give me a hint to get back on track :)
>>
>>
>> On Tue, Sep 3, 2024 at 9:13 PM Thomas Larsen Wessel <mrvelle at gmail.com>
>> wrote:
>>
>>> The instructions on the repo tell me, in rather strict wording, to run
>>> the unit tests locally before creating a PR.
>>>
>>> The test checkGitStatus keeps failing locally. It does so because GDAL
>>> updates the timestamp of gpkg files, even when only reading them. The
>>> Internet told me that I needed to build against GDAL v. 3.4.2 or greater,
>>> to not have these timestamps updated. So thats what I have spent a few
>>> evenings trying to do. There are other tests that fail too, but this is the
>>> one I chose to look at first.
>>>
>>> So it's quite surprising that you tell me CI for Qt5 uses GDAL 3.4.1.
>>> Wouldn't that cause the automatic online test on github to fail? Or have I
>>> misunderstood something? :)
>>>
>>> Sincerely, Thomas
>>>
>>>
>>>
>>>
>>> On Tue, Sep 3, 2024 at 8:32 PM Even Rouault via QGIS-Developer <
>>> qgis-developer at lists.osgeo.org> wrote:
>>>
>>>> For operational uses, I would say the latter is the better. For
>>>> regression test purposes, some tests might perhaps need tweaking/skipping
>>>> depending on the GDAL version. CI uses GDAL 3.4.1 for QT5 testing and 3.7.3
>>>> for QT6 testing.
>>>>
>>>> > Background/motivation for asking: I have tried compiling different
>>>> versions of QGIS against different versions of GDAL, but some unit tests
>>>> keep causing segmentation faults. Could a segmentation fault be caused by a
>>>> mismatch of version of a dependent library like GDAL?
>>>>
>>>> Nobody can guess that. You need to provide much more details: which
>>>> test(s), stack trace when it crashes, etc.
>>>>
>>>> -- http://www.spatialys.com
>>>> My software is free, but my time generally not.
>>>>
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