-javac -g ../Dictionary/Util/src/com/hughes/util/*.java ../Dictionary/Util/src/com/hughes/util/raf/*.java ../Dictionary/src/com/hughes/android/dictionary/DictionaryInfo.java ../Dictionary/src/com/hughes/android/dictionary/engine/*.java ../Dictionary/src/com/hughes/android/dictionary/C.java src/com/hughes/android/dictionary/*.java src/com/hughes/android/dictionary/*/*.java src/com/hughes/android/dictionary/*/*/*.java -classpath "$ICU4J:$JUNIT:$XERCES:$COMMONS"
+if [ ! -r "$COMMONS_COMPRESS" ] ; then
+ echo "commons-compress needs to be installed"
+ exit 1;
+fi
+javac -g ../Dictionary/Util/src/com/hughes/util/*.java ../Dictionary/Util/src/com/hughes/util/raf/*.java ../Dictionary/src/com/hughes/android/dictionary/DictionaryInfo.java ../Dictionary/src/com/hughes/android/dictionary/engine/*.java ../Dictionary/src/com/hughes/android/dictionary/C.java src/com/hughes/android/dictionary/*.java src/com/hughes/android/dictionary/*/*.java src/com/hughes/android/dictionary/*/*/*.java -classpath "$ICU4J:$JUNIT:$XERCES:$COMMONS:$COMMONS_COMPRESS"