[jira] [Updated] (MESOS-1010) Python extension build is broken if gflags-dev is installed

["Marco Massenzio (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MESOS-1010?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Marco Massenzio updated MESOS-1010:
-----------------------------------
    Story Points: 3

> Python extension build is broken if gflags-dev is installed
> -----------------------------------------------------------
>
>                 Key: MESOS-1010
>                 URL: https://issues.apache.org/jira/browse/MESOS-1010
>             Project: Mesos
>          Issue Type: Bug
>          Components: build, python api
>         Environment: Fedora 20, amd64. GCC: 4.8.2.
>            Reporter: Nikita Vetoshkin
>            Assignee: Greg Mann
>              Labels: flaky-test, mesosphere
>
> In my environment mesos build from master results in broken python api module {{_mesos.so}}:
> {noformat}
> nekto0n@ya-darkstar ~/workspace/mesos/src/python $ PYTHONPATH=build/lib.linux-x86_64-2.7/ python -c "import _mesos"
> Traceback (most recent call last):
>   File "<string>", line 1, in <module>
> ImportError: /home/nekto0n/workspace/mesos/src/python/build/lib.linux-x86_64-2.7/_mesos.so: undefined symbol: _ZN6google14FlagRegistererC1EPKcS2_S2_S2_PvS3_
> {noformat}
> Unmangled version of symbol looks like this:
> {noformat}
> google::FlagRegisterer::FlagRegisterer(char const*, char const*, char const*, char const*, void*, void*)
> {noformat}
> During {{./configure}} step {{glog}} finds {{gflags}} development files and starts using them, thus *implicitly* adding dependency on {{libgflags.so}}. This breaks Python extensions module and perhaps can break other mesos subsystems when moved to hosts without {{gflags}} installed.



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