set(example java_io)
-set(sources IO.java Node.java Storage.java Client.java)
+set(sources ${CMAKE_CURRENT_SOURCE_DIR}/IO.java
+ ${CMAKE_CURRENT_SOURCE_DIR}/Node.java
+ ${CMAKE_CURRENT_SOURCE_DIR}/Storage.java
+ ${CMAKE_CURRENT_SOURCE_DIR}/Client.java)
if(enable_java)
add_custom_command(