[jira] [Assigned] (MESOS-8508) Missing map header when compiling against unbundled protobuf

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

     [ https://issues.apache.org/jira/browse/MESOS-8508?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Till Toenshoff reassigned MESOS-8508:
-------------------------------------

    Assignee: Benno Evers

> Missing map header when compiling against unbundled protobuf
> ------------------------------------------------------------
>
>                 Key: MESOS-8508
>                 URL: https://issues.apache.org/jira/browse/MESOS-8508
>             Project: Mesos
>          Issue Type: Bug
>            Reporter: Benno Evers
>            Assignee: Benno Evers
>            Priority: Major
>
> When compiling mesos against the system-default version of protobuf on Ubuntu 17.04, the build fails due to a missing include.
>  
> Explanation for the error by [~kaysoky]:
> Note that the reason why this doesn't compile in protobuf 3.0.x is due to how the c++ files are generated.  In protobuf 3.0.x (and 3.1.x and 3.2.x) generated code only includes the protobuf map headers if there is a map present in the .proto file:[https://github.com/google/protobuf/blob/3.0.x/src/google/protobuf/compiler/cpp/cpp_file.cc#L817-L827]
> From 3.3.x onwards, all generated files include {{google/protobuf/generated_message_table_driven.h}}, which in turn includes the map headers:[https://github.com/google/protobuf/blob/3.3.x/src/google/protobuf/compiler/cpp/cpp_file.cc#L1006]



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