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https://issues.apache.org/jira/browse/HADOOP-8901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13481863#comment-13481863
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Radim Kolar commented on HADOOP-8901:
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This patch broke it on BSD because there is /lib/libz.so.5, not so.1 as you
expect. Why not simple use "find_package(ZLIB 1 REQUIRED)" ?
this works on bsd nicely: Found ZLIB: /usr/lib/libz.so (found suitable version
"1.2.3", required is "1")
> GZip and Snappy support may not work without unversioned libraries
> ------------------------------------------------------------------
>
> Key: HADOOP-8901
> URL: https://issues.apache.org/jira/browse/HADOOP-8901
> Project: Hadoop Common
> Issue Type: Bug
> Components: native
> Affects Versions: 2.0.3-alpha
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Priority: Minor
> Fix For: 3.0.0, 2.0.3-alpha
>
> Attachments: HADOOP-8901.001.patch, HADOOP-8901.002.patch,
> HADOOP-8901.003.patch
>
>
> Currently, we use {{dlopen}} to open {{libz.so}} and {{libsnappy.so}}, to get
> Gzip and Snappy support, respectively.
> However, this is not correct; we should be dlopening {{libsnappy.so.1}}
> instead. The versionless form of the shared library is not commonly
> installed except by development packages. Also, we may run into subtle
> compatibility problems if a new version of libsnappy comes out.
> Thanks to Brandon Vargo for reporting this bug.
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