Need APT in target platform to satisfy annotation processor reference in plugin.xml
diff --git a/org.eclipse.sisu.plexus/build.target b/org.eclipse.sisu.plexus/build.target
index 674eece..5c17e9d 100644
--- a/org.eclipse.sisu.plexus/build.target
+++ b/org.eclipse.sisu.plexus/build.target
@@ -30,6 +30,7 @@
 <location includeAllPlatforms="false" includeMode="slicer" includeSource="false" type="InstallableUnit">
 <unit id="org.eclipse.osgi" version="3.10.100.v20150529-1857"/>
 <unit id="org.eclipse.osgi.source" version="3.10.100.v20150529-1857"/>
+<unit id="org.eclipse.jdt.apt.core" version="3.4.0.v20150518-1201"/>
 <repository location="http://download.eclipse.org/eclipse/updates/4.5/"/>
 </location>
 <location includeAllPlatforms="false" includeMode="slicer" includeSource="false" type="InstallableUnit">