cook question: dealing with unpredictable target names

When Java compiles an inner class or something like them (enums for
example) a separate .class file is generated for each inner class file
that has a $x where x is a internal compiler count of inner classes.
For example

public enum Foo
{
             FOO, ACK, BAR;
}

would get compiled as:

Foo$1.class
Foo$2.class
Foo$3.class

(there are no rules about what order "x" is assigned in).

Now the problem I have the following for determining what classes need
to be compiled:

java=[fromto src/%0%.java [tomcat]/WEB-INF/classes/%0%.class
[match_mask src/%0%.java [manifest]];

all: [java];

[tomcat]/WEB-INF/classes/%0%.class: deploy/classes/%0%.class
   set mkdir
{
   cp [resolve [need]] [target];
}

deploy/classes/%0%.class: src/%0%.java
   set mkdir
{
   javac -d deploy/classes -sourcepath [unsplit ':' [resolve src]] [need];
}

The problem is the above doesn't handle the xxx$y.class files because
they are not a direct off shot of [java]