OldCrow opened a new issue, #47180:
URL: https://github.com/apache/arrow/issues/47180
### Describe the bug, including details regarding any error messages,
version, and platform.
Compiling on macOS 10.15 via Homebrew from source.
Compilation Environment
• Compiler: Clang 12.0.0 (from Xcode 12.4)
• Standard: C++17
• SDK: macOS 10.15 SDK
• Architecture: x86_64
The compilation failed on the file vector_rank.cc with this error:
```
/private/tmp/apache-arrow-20250723-46970-b96ya/apache-arrow-20.0.0/cpp/src/arrow/compute/kernels/vector_rank.cc:362:26:
error: member reference base type 'SortAndMarkDuplicate' is not a structure or
union
.Run());
^~~~
```
Nature of the Error
• This is a C++ syntax/semantics error, not a missing dependency or build
configuration issue
• The error indicates that code is trying to call .Run() on something
called SortAndMarkDuplicate that the compiler doesn't recognize as a
struct/class with that method
• The error occurs within the ARROW_ASSIGN_OR_RAISE macro expansion
This is unlikely to be an issue with older macOS, or availability of C++
features in Apple Clang 12.0.0 per se, given that almost 50 targets
successfully compiled before hitting this specific error.
Expected behaviour - successful compilation without errors.
### Component(s)
C++
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