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https://issues.apache.org/jira/browse/MCOMPILER-270?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15350142#comment-15350142
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Hudson commented on MCOMPILER-270:
----------------------------------
SUCCESS: Integrated in maven-plugins #6697 (See
[https://builds.apache.org/job/maven-plugins/6697/])
[MCOMPILER-269] Support modulepath (Java9/Jigsaw)
[MCOMPILER-270] Support release=8 on JDK 9 (with fallback on source=8 and
target=8 on JDK 8)
Upgrade plexus-compiler to 2.8 (rfscholte:
[http://svn.apache.org/viewvc/?view=rev&rev=1750251])
* maven-compiler-plugin/pom.xml
> Support release=8 on JDK 9 (with fallback on source=8 and target=8 on JDK 8)
> ----------------------------------------------------------------------------
>
> Key: MCOMPILER-270
> URL: https://issues.apache.org/jira/browse/MCOMPILER-270
> Project: Maven Compiler Plugin
> Issue Type: New Feature
> Affects Versions: 3.5.1
> Reporter: Geoffrey De Smet
> Priority: Blocker
>
> JDK 9 now supports the the follow argument:
> {code}
> javac -release 7
> {code}
> This replaced both `-source 7` and `-target 7`. And it prevents from using
> methods introduced in JDK 9 or JDK 8 when compiling for 7 with JDK 9. So
> `-release 8` basically better in every way than `-source 7 -target 7`.
> http://mail.openjdk.java.net/pipermail/jdk9-dev/2015-July/002414.html
> Support this in the maven-compiler plugin, something like:
> {code}
> <plugin>
> <artifactId>maven-compiler-plugin</artifactId>
> <configuration>
> <release>7</release>
> </configuration>
> </plugin>
> {code}
> When compiling with JDK 9, it should just do `javac -release 7`.
> When compiling with JDK 8 or lower, it should fallback to `javac -source 7
> -target 7`, so it behaves exactly like:
> {code}
> <plugin>
> <artifactId>maven-compiler-plugin</artifactId>
> <configuration>
> <source>7</source>
> <target>7</target>
> </configuration>
> </plugin>
> {code}
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