Compiling 210 files for java.security.jgss
/home/omajid/devel/jdk9-client/jdk/src/java.desktop/share/classes/com/sun/java/swing/plaf/gtk/GTKIconFactory.java:153: error: no interface expected here
    private static class DelegatingIcon extends SynthIcon implements
                                                ^
/home/omajid/devel/jdk9-client/jdk/src/java.desktop/share/classes/com/sun/java/swing/plaf/gtk/GTKStyle.java:995: error: no interface expected here
    private static class GTKStockIcon extends SynthIcon {