bkietz opened a new issue, #35497:
URL: https://github.com/apache/arrow/issues/35497
### Describe the bug, including details regarding any error messages,
version, and platform.
I ran cpp/build-support/update-flatbuffers.sh and the regenerated headers
included new failing static assertions like:
```
/home/ben/arrow/cpp/src/generated/Message_generated.h:11:41: error: static
assertion failed: Non-compatible flatbuffers version included
11 | static_assert(FLATBUFFERS_VERSION_MAJOR == 23 &&
```
The probable fix is to pin the version of the flatbuffers compiler used in
c++. As of https://github.com/google/flatbuffers/pull/7203 the compiler inserts
these static assertions which assert the version of the compiler- but our
vendored flatbuffers are at
[1.12.0](https://github.com/apache/arrow/blob/a9a8626e8342e1145ec1b60ffb50154693b9ef92/cpp/thirdparty/flatbuffers/include/flatbuffers/base.h#L150-L152).
conda-forge has that version and after installing it I don't see failing
static assertions any more.
### Component(s)
C++
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