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https://issues.apache.org/jira/browse/HADOOP-12647?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15059720#comment-15059720
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Kai Zheng commented on HADOOP-12647:
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Tested the changes as follows:
* Case 1. Build with default ISA-L installation
** Installing ISA-L to /usr/lib the default folder the library uses
** mvn build hadoop using -Drequire.isal option only, run {{mvn -Pnative
package -Drequire.isal -DskipTests -Pdist}} passed
* Case 2. Build with customized ISA-L installation
** Installing ISA-L to a custom folder like /tmp/isal
** mvn build hadoop using the installation, run {{mvn -Pnative package
-Drequire.isal -Disal.prefix=/tmp/isal -DskipTests -Pdist}} passed
* Case 3. Build tar dist package with customized ISA-L installaton
** Installing ISA-L to a custom folder like /tmp/isal
** mvn build hadoop using the installation, run {{mvn -Pnative package
-Drequire.isal -Disal.lib=/tmp/isal -Dbundle.isal -DskipTests -Pdist -Dtar}}
passed
** Checked the result tar package is valid and contains ISA-L library files
In all cases, run {{hadoop checknative}} passed.
Also tested negative cases.
> Allowing to use -Drequire.isal but without -Disal.prefix and -Disal.lib to
> build ISA-L support
> ----------------------------------------------------------------------------------------------
>
> Key: HADOOP-12647
> URL: https://issues.apache.org/jira/browse/HADOOP-12647
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 3.0.0
> Reporter: Kai Zheng
> Assignee: Kai Zheng
> Attachments: HADOOP-12647-v1.patch
>
>
> It was found the building will fail when use -Drequire.isal only (without
> -Disal.prefix and -Disal.lib options) to build ISA-L in order to use the
> default library installation. The cause is the mvn executor doesn't know
> where to find the dynamic so file.
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