Make sure the check_for_optional_packages is processed before compoile

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@270547 13f79535-47bb-0310-9956-ffa450edef68

proposal/myrmidon/build.xml

@@ -175,7 +175,7 @@ Legal:
 
 
   <!-- Compiles the source code -->
-  <target name="compile">
+  <target name="compile" depends="check_for_optional_packages">
 
     <tstamp/>
     <mkdir dir="${build.src}"/>