[jira] [Created] (ARROW-16870) [C++] lld does not like --as-needed flag

["Will Jones (Jira)" <ji...@apache.org>]

Will Jones created ARROW-16870:
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             Summary: [C++] lld does not like --as-needed flag
                 Key: ARROW-16870
                 URL: https://issues.apache.org/jira/browse/ARROW-16870
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++
    Affects Versions: 8.0.0
            Reporter: Will Jones
            Assignee: Will Jones
             Fix For: 9.0.0


I've been getting this annoying linking error if I try to build examples using Clang 13 on MacOS:

{code:none}
[build] [807/827] Linking CXX executable debug/flight-grpc-example
[build] FAILED: debug/flight-grpc-example
[build] : && /Library/Developer/CommandLineTools/usr/bin/c++ -Qunused-arguments -fcolor-diagnostics  ...
[build] ld: unknown option: --no-as-needed
[build] clang: error: linker command failed with exit code 1 (use -v to see invocation)
{code}

Should we drop the {{--as-needed}} or should I carve out for Apple? cc [~davidli]

My workaround has been to comment out these lines: https://github.com/apache/arrow/blob/982ea6c4d382d1e85164f09b711e87938eaa674a/cpp/examples/arrow/CMakeLists.txt#L39-L40





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