[jira] [Created] (ARROW-17341) musl does not define _SC_LEVEL1_DCACHE_SIZE etc

[Duncan Bellamy (Jira)]

Duncan Bellamy created ARROW-17341:
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             Summary: musl does not define _SC_LEVEL1_DCACHE_SIZE etc
                 Key: ARROW-17341
                 URL: https://issues.apache.org/jira/browse/ARROW-17341
             Project: Apache Arrow
          Issue Type: Bug
          Components: C++
    Affects Versions: 9.0.0
            Reporter: Duncan Bellamy
             Fix For: 9.0.1


Arrow 9.0.0 has new code which includes _SC_LEVEL1_DCACHE_SIZE 

introduced in commit 
[https://github.com/apache/arrow/commit/cde5a0800624649cd6558f339ded2024146cfd71]

 

there is a fallback function

[https://github.com/apache/arrow/blob/ea6875fd2a3ac66547a9a33c5506da94f3ff07f2/cpp/src/arrow/util/cpu_info.cc#L326]

 

but that uses the structure with the defines in as well.



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