What's the implication of not (correctly) specifying -DArrow_DIR? Does GDAL then use an internal Arrow, or does it not support certain features?

What's the implication of not (correctly) specifying -DArrow_DIR? Does GDAL then use an internal Arrow, or does it not support certain features?

I'm seeing the same output from CMake with and without this:

-- Could NOT find Arrow (missing: Arrow_DIR)

-- The following features have been disabled:
[snip]
 * ogr_ARROW, Arrow

-- The following OPTIONAL packages have not been found:
[ship]
 * Arrow
   Apache Arrow C++ library

So I am saying there is no internal Arrow fallback and our GDAL does not contain support for Arrow - either before or after this PR.

Test report by @branfosj
SUCCESS
Build succeeded for 3 out of 3 (3 easyconfigs in total)
bear-pg0105u03a - Linux RHEL 8.6, x86_64, Intel(R) Xeon(R) Platinum 8360Y CPU @ 2.40GHz (icelake), Python 3.6.8
See https://gist.github.com/branfosj/70f01e64738d397a511eb05836965655 for a full test report.

@boegelbot please test @ generoso

@boegel: Request for testing this PR well received on login1

PR test command 'EB_PR=20905 EB_ARGS= EB_CONTAINER= EB_REPO=easybuild-easyconfigs /opt/software/slurm/bin/sbatch --job-name test_PR_20905 --ntasks=4 ~/boegelbot/eb_from_pr_upload_generoso.sh' executed!

• exit code: 0
• output:

Submitted batch job 13827

Test results coming soon (I hope)...

@boegelbot please test @ jsc-zen3

@boegel: Request for testing this PR well received on jsczen3l1.int.jsc-zen3.fz-juelich.de

PR test command 'if [[ develop != 'develop' ]]; then EB_BRANCH=develop ./easybuild_develop.sh 2> /dev/null 1>&2; EB_PREFIX=/home/boegelbot/easybuild/develop source init_env_easybuild_develop.sh; fi; EB_PR=20905 EB_ARGS= EB_CONTAINER= EB_REPO=easybuild-easyconfigs EB_BRANCH=develop /opt/software/slurm/bin/sbatch --job-name test_PR_20905 --ntasks=8 ~/boegelbot/eb_from_pr_upload_jsc-zen3.sh' executed!

• exit code: 0
• output:

Submitted batch job 4472

Test results coming soon (I hope)...

Test report by @boegelbot
SUCCESS
Build succeeded for 3 out of 3 (3 easyconfigs in total)
jsczen3c1.int.jsc-zen3.fz-juelich.de - Linux Rocky Linux 9.4, x86_64, AMD EPYC-Milan Processor (zen3), Python 3.9.18
See https://gist.github.com/boegelbot/c9186a5a192ec1fd10a94baedcc1dde2 for a full test report.

Test report by @boegelbot
SUCCESS
Build succeeded for 3 out of 3 (3 easyconfigs in total)
cns1 - Linux Rocky Linux 8.9, x86_64, Intel(R) Xeon(R) CPU E5-2667 v3 @ 3.20GHz (haswell), Python 3.6.8
See https://gist.github.com/boegelbot/9c12c9741285205a42b08fc70b89956b for a full test report.

Test report by @boegel
SUCCESS
Build succeeded for 3 out of 3 (3 easyconfigs in total)
node3121.skitty.os - Linux RHEL 8.8, x86_64, Intel(R) Xeon(R) Gold 6140 CPU @ 2.30GHz, Python 3.6.8
See https://gist.github.com/boegel/27d62dd023824e76fe14678adebe572c for a full test report.

Going in, thanks @branfosj!