Since this fix was pushed all client Mac builds are failing.

src/java.desktop/macosx/native/libawt_lwawt/awt/AWTWindow.m:268:68: error: use of undeclared identifier 'NSAppearanceNameVibrantDark'
     [self.nsWindow setAppearance:[NSAppearance appearanceNamed:NSAppearanceNameVibrantDark]];
                                                              ^
src/java.desktop/macosx/native/libawt_lwawt/awt/AWTWindow.m:270:68: error: use of undeclared identifier 'NSAppearanceNameVibrantLight'
        [self.nsWindow setAppearance:[NSAppearance appearanceNamed:NSAppearanceNameVibrantLight]];