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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8620) Add -Drequire.fuse and -Drequire.snappy
Date Mon, 30 Jul 2012 22:52:35 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8620?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13425342#comment-13425342
] 

Colin Patrick McCabe commented on HADOOP-8620:
----------------------------------------------

The test failures are not related to the patch-- this is purely a build system thing.
                
> Add -Drequire.fuse and -Drequire.snappy
> ---------------------------------------
>
>                 Key: HADOOP-8620
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8620
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: build
>    Affects Versions: 2.0.1-alpha
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>            Priority: Minor
>         Attachments: HADOOP-8620.002.patch
>
>
> We have some optional build components which don't get built if they are not installed
on the build machine.  One of those components is fuse_dfs.  Another is the snappy support
in libhadoop.so.
> Unfortunately, since these components are silently ignored if they are not present, it's
easy to unintentionally create an incomplete build.
> We should add two flags, -Drequire.fuse and -Drequire.snappy, that do exactly what the
names suggest.  This will make the build more repeatable.  Those who want a complete build
can specify these system properties to maven.  If the build cannot be created as requested,
it will be a hard error.

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