[jira] [Commented] (HDFS-14244) refactor the libhdfs++ build system

["James Clampffer (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-14244?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16773238#comment-16773238 ] 

James Clampffer commented on HDFS-14244:
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[~owen.omalley] anything that trims down the libhdfspp/third-party code sounds good to me.  I tried applying the patch and ran into a couple issues doing the build in the container start_build_env.sh uses.

-It looks like the dockerfile used by start_build_env.sh needs to install automake and autoconf.  Doing a clean build in the container errors out when it tries to run those.  After installing I make it to the next issue.
-It looks like there's a dependency issue when building the whole tree at once.  Things that use the minidfscluster wrapper code complain about missing symbols (e.g. nmdCreate).  It looks like libhdfs.so has been built by the time it hits the error but cmake isn't picking up the library path while building tests.
-I haven't made it far enough but it seems like the container will also need asio installed, or is this something the cmake external project approach handles?

> refactor the libhdfs++ build system
> -----------------------------------
>
>                 Key: HDFS-14244
>                 URL: https://issues.apache.org/jira/browse/HDFS-14244
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs++, hdfs-client
>            Reporter: Owen O'Malley
>            Assignee: Owen O'Malley
>            Priority: Major
>
> The current cmake for libhdfs++ has the source code for the dependent libraries. By refactoring we can remove 150kloc of third party code.



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