Generate an empty manifest to work around the "Manifest file does not exist" error

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/jci/trunk@1530408 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index ee74e9e..7d60657 100644
--- a/pom.xml
+++ b/pom.xml
@@ -134,6 +134,25 @@
                     <tarLongFileMode>gnu</tarLongFileMode>
                 </configuration>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-antrun-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>jci-jar-manifest</id>
+                        <phase>generate-sources</phase>
+                        <goals>
+                            <goal>run</goal>
+                        </goals>
+                        <configuration>
+                            <target>
+                                <mkdir dir="${project.build.directory}/osgi"/>
+                                <touch file="${project.build.directory}/osgi/MANIFEST.MF"/>
+                            </target>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
         </plugins>
         <extensions>
             <extension>