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https://issues.apache.org/jira/browse/HADOOP-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13456244#comment-13456244
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Colin Patrick McCabe commented on HADOOP-8806:
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bq. Why use RPATH instead of RUNPATH?
RUNPATH support is a little newer than RPATH, so it seemed less likely to work
with older versions of CMake or older distributions. RUNPATH is also a
Linux-ism, apparently.
I guess we could use RUNPATH, but it seemed simpler to go with the default
(RPATH). The only difference is that RPATH supercedes {{LD_LIBRARY_PATH}}, and
RUNPATH does not.
bq. Have you tested with libsnappy.so in $HADOOP_ROOT/lib/native as well as
installed in the system (ie in LD_LIBRARY_PATH)?
Yes.
> libhadoop.so: dlopen should be better at locating libsnappy.so, etc.
> --------------------------------------------------------------------
>
> Key: HADOOP-8806
> URL: https://issues.apache.org/jira/browse/HADOOP-8806
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Priority: Minor
> Attachments: HADOOP-8806.003.patch
>
>
> libhadoop calls {{dlopen}} to load {{libsnappy.so}} and {{libz.so}}. These
> libraries can be bundled in the {{$HADOOP_ROOT/lib/native}} directory. For
> example, the {{-Dbundle.snappy}} build option copies {{libsnappy.so}} to this
> directory. However, snappy can't be loaded from this directory unless
> {{LD_LIBRARY_PATH}} is set to include this directory.
> Can we make this configuration "just work" without needing to rely on
> {{LD_LIBRARY_PATH}}?
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