Remove explicit dynamic loading of libz in native code
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Key: HADOOP-6069
URL: https://issues.apache.org/jira/browse/HADOOP-6069
Project: Hadoop Core
Issue Type: Improvement
Reporter: Todd Lipcon
Assignee: Todd Lipcon
The native zlib code currently uses dlopen/dlsym to dynamically load libz. This
used to make sense when there was an lzo option (so you could load libhadoop
for lzo purposes without requiring libz as well). Now that libhadoop only has
zlib as an option, it makes sense to just add it as an ld flag and let it be
automatically loaded as a shlib dependency. I also doubt that there are any
distros where libz isn't required by the base system.
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