coryan opened a new pull request #11916:
URL: https://github.com/apache/arrow/pull/11916
This PR adds support for `google-cloud-cpp` to the Conda files.
Probably the most difficult change to grok is the change to compile with
C++17 when using Conda:
- Conda defaults all its builds to C++17,
[this bug](https://github.com/conda/conda-build/issues/3375) goes into
some detail as to why.
- Arrow defaults to C++11 if no `CMAKE_CXX_STANDARD` argument is
provided.
- Abseil's ABI changes when used from C++11 vs. C++17, see
https://github.com/abseil/abseil-cpp/issues/696
- Therefore, one must compile with C++17 to use Abseil in Conda.
- And because `google-cloud-cpp` has a direct dependency on Abseil,
exposed through the headers, one must use C++17 to use
`google-cloud-cpp` too.
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