Index: apache-tomcat-9.0.12-src/build.xml
===================================================================
--- apache-tomcat-9.0.12-src.orig/build.xml
+++ apache-tomcat-9.0.12-src/build.xml
@@ -2989,6 +2989,9 @@ Read the Building page on the Apache Tom
     <path id="bndlib.classpath">
       <fileset file="${bnd.jar}" />
       <fileset file="${bndlib.jar}" />
+      <fileset file="${bndlibg.jar}" />
+      <fileset file="${bndannotation.jar}" />
+      <fileset file="${slf4j-api.jar}" />
     </path>
 
     <taskdef resource="aQute/bnd/ant/taskdef.properties" classpathref="bndlib.classpath" />