updated pom to include the generated source
diff --git a/algebricks/algebricks-examples/piglet-example/pom.xml b/algebricks/algebricks-examples/piglet-example/pom.xml
index 4b101d7..254d016 100644
--- a/algebricks/algebricks-examples/piglet-example/pom.xml
+++ b/algebricks/algebricks-examples/piglet-example/pom.xml
@@ -48,6 +48,24 @@
</includes>
</configuration>
</plugin>
+ <plugin>
+ <groupId>org.codehaus.mojo</groupId>
+ <artifactId>build-helper-maven-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>add-source</id>
+ <phase>generate-sources</phase>
+ <goals>
+ <goal>add-source</goal>
+ </goals>
+ <configuration>
+ <sources>
+ <source>${project.build.directory}/generated-sources/javacc/</source>
+ </sources>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
</plugins>
<pluginManagement>
<plugins>