[ -e .classes ] || mkdir .classes
$(JAVAC) -d .classes -source 6 $(foreach file,$(JMSG_JAVA_SRC),$(srcdir)/$(file))
[ -e .classes/surf ] || mkdir .classes/surf
[ -e .classes ] || mkdir .classes
$(JAVAC) -d .classes -source 6 $(foreach file,$(JMSG_JAVA_SRC),$(srcdir)/$(file))
[ -e .classes/surf ] || mkdir .classes/surf