$ make clean images
...
Creating support/modules_cmds/jdk.hotspot.agent/jhsdb from 1 file(s)
Creating support/modules_libs/jdk.incubator.foreign/libsyslookup.dylib from 1 file(s)
warning: no debug symbols in executable (-arch x86_64)
Creating support/modules_cmds/jdk.jartool/jar from 1 file(s)
Creating support/modules_cmds/jdk.javadoc/javadoc from 1 file(s)
...