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https://issues.apache.org/jira/browse/HADOOP-8776?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13467005#comment-13467005
 ] 

Jianbin Wei commented on HADOOP-8776:
-------------------------------------

In hadoop-common-project/hadoop-common/src/main/conf/hadoop-env.sh the platform 
check is done through

{quote}
MAC_OSX=false
case "`uname`" in
Darwin*) MAC_OSX=true;;
esac
if $MAC_OSX; then
    export HADOOP_OPTS="$HADOOP_OPTS -Djava.security.krb5.realm= 
-Djava.security.krb5.kdc="
fi
{quote}
                
> Provide an option in test-patch that can enable / disable compiling native 
> code
> -------------------------------------------------------------------------------
>
>                 Key: HADOOP-8776
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8776
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: build
>    Affects Versions: 3.0.0
>            Reporter: Hemanth Yamijala
>            Assignee: Hemanth Yamijala
>            Priority: Minor
>         Attachments: HADOOP-8776.patch, HADOOP-8776.patch, HADOOP-8776.patch
>
>
> The test-patch script in Hadoop source runs a native compile with the patch. 
> On platforms like MAC, there are issues with the native compile that make it 
> difficult to use test-patch. This JIRA is to try and provide an option to 
> make the native compilation optional. 

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