Hi,
I'm working on some projects that actually target Java 8, but are already
prepared to be used in modular applications, i.e. Java 11. I'm following
the multirelease/single project runtime pattern shown here:
https://github.com/apache/maven-compiler-plugin/blob/master/src/it/multirelease-patterns/singleproject-runtime/pom.xml
I have the following snippet in my parent pom:
<profile>
<id>jdk9+</id>
<activation>
<jdk>[9,)</jdk>
</activation>
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<release>8</release>
</configuration>
</plugin>
</plugins>
</pluginManagement>
</build>
</profile>
<profile>
<id>jdk11</id>
<activation>
<jdk>[11,)</jdk>
<file>
<exists>${basedir}/src/main/java11</exists>
</file>
</activation>
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<executions>
<execution>
<id>jdk11</id>
<goals>
<goal>compile</goal>
</goals>
<configuration>
<release>11</release>
<compileSourceRoots>
<compileSourceRoot>${project.basedir}/src/main/java11</compileSourceRoot>
</compileSourceRoots>
<multiReleaseOutput>true</multiReleaseOutput>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>3.2.0</version>
<executions>
<execution>
<id>default-jar</id>
<configuration>
<archive>
<manifestEntries>
<Multi-Release>true</Multi-Release>
</manifestEntries>
</archive>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</pluginManagement>
</build>
</profile>
Given the following structure in a depending project:
src/main/java
src/main/resources
src/main/java11
...
I'm able to compile it both with Java 8 or Java 11 as default JVM. So far,
so good.
Question:
With Java 11 as default I have to manually add src/main/java11 as an
additional source folder in Eclipse because it isn't discovered
automatically when I import such a project.
Is there a way to let m2e do this automatically for me?
Regards
Thorsten_______________________________________________
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