javacc-3.2-r1 doesn't set the $JAVACC_HOME env variable. This makes editing ant build.xml files or setting it manually to /usr/share/javacc/ necessary for ant builds that use javacc tasks. Reproducible: Always Steps to Reproduce: 1. Try to compile an application with ant that uses javacc tasks 2. 3. Actual Results: "JavaCC home must be a valid directory."
Fixed in portage, thanks.