improve java 9 build
git-svn-id: https://svn.apache.org/repos/asf/maven/doxia/doxia-tools/trunk@1807928 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 48aa877..470c5d6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -93,6 +93,15 @@
</dependencies>
<build>
+ <pluginManagement>
+ <plugins>
+ <plugin>
+ <groupId>org.codehaus.plexus</groupId>
+ <artifactId>plexus-component-metadata</artifactId>
+ <version>1.7.1</version>
+ </plugin>
+ </plugins>
+ </pluginManagement>
<plugins>
<plugin>
<groupId>org.codehaus.modello</groupId>