Maarten Pronk created ARROW-18255:
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Summary: [C++] Support armv6
Key: ARROW-18255
URL: https://issues.apache.org/jira/browse/ARROW-18255
Project: Apache Arrow
Issue Type: Improvement
Affects Versions: 10.0.0
Reporter: Maarten Pronk
Over at [https://github.com/JuliaPackaging/Yggdrasil/pull/5425,] we
cross-compile Arrow to make it easily available within the Julia ecosystem.
This will for example enable a GDAL with Arrow/Parquet driver support that can
be installed for everyone.
We noticed when going from v9 to v10, `armv6` (or any non-defined cpu
architecture really) now gives an error when compiling. The change is in
`cpp/cmake_modules/SetupCxxFlags.cmake`. We now patch the code by giving armv6
the same status as armv7, which seems to work.
Would it be possible to not error out on unknown platforms? A warning with this
platform is not officially supported could be an alternative. Or, the other
way, you could confirm that armv6 (and others) are just _really_ unsupported
(as in probably breaking) and we should not attempt to compile for those
platforms?
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