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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4866) Protocol buffer support cannot compile under C
Date Thu, 30 May 2013 09:45:20 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4866?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13670183#comment-13670183
] 

Steve Loughran commented on HDFS-4866:
--------------------------------------

Moved to HDFS as it is an NN protocol issue.
# I hope it's not too late to fix this; protocols are sensitive.
# we should really get jenkins to do the proto-c builds too, to catch regressions here
                
> Protocol buffer support cannot compile under C
> ----------------------------------------------
>
>                 Key: HDFS-4866
>                 URL: https://issues.apache.org/jira/browse/HDFS-4866
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.0.4-alpha
>            Reporter: Ralph Castain
>         Attachments: NamenodeProtocol.pb-c.c, NamenodeProtocol.pb-c.h
>
>
> When compiling Hadoop's .proto descriptions for use in C, an error occurs because one
of the RPC's in NamenodeProtocol.proto is named "register". This name is a reserved word in
languages such as C. When using the Java and C++ languages, the name is hidden inside a class
and therefore doesn't cause an error. Unfortunately, that is not the case in non-class languages
such as C.
> Note: generating the C translation of the .proto files requires installation of the protobuf-c
package from google:
> http://code.google.com/p/protobuf-c/

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