[jira] [Commented] (MESOS-1071) Enable building against installed third-party dependencies.

["Till Toenshoff (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MESOS-1071?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13922948#comment-13922948 ] 

Till Toenshoff commented on MESOS-1071:
---------------------------------------

This touches https://issues.apache.org/jira/browse/MESOS-550 as well. Those  "--without-included-zookeper"-semantics, are not fully implemented yet (see setup.py.in). Instead of doing a "without-included", why not doing a "with-zookeeper=[path]" - whereas [path] defaults to the internal build-location?

> Enable building against installed third-party dependencies.
> -----------------------------------------------------------
>
>                 Key: MESOS-1071
>                 URL: https://issues.apache.org/jira/browse/MESOS-1071
>             Project: Mesos
>          Issue Type: Improvement
>          Components: build
>            Reporter: Benjamin Hindman
>
> Most of our third-party dependencies are included in the project and statically linked into our resulting binaries and libraries. We would like to enable building Mesos but using system installed dependencies instead.
> In certain circumstances this is more difficult because we've actually needed to "patch" these libraries (either for C++11 or to alter semantics).
> Rather than eliminating our internal copies of these third-party dependencies the first step should be to just enable using external (i.e., system installed) dependencies. We already do this for ZooKeeper by allowing people to use the --without-included-zookeeper flag during compilation. We should do this for other libraries as well. In fact, for the libraries that we have not patched (and even for some that we have patched) we should check to see if an appropriate system installed dependency exists and preferentially use that unless --with-included-dependency is explicitly used.
> Note that this issue represents a stepping stone to removing our third-party dependencies from our repository.



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