use flags and package.use

USE="gtk gnome -kde dvd alsa cdr -minimal dbus jpeg lock session startup-notification thunar udev X networkmanager source test-framework matroska win32codecs doc fontconfig"

$ cat /etc/portage/package.use
dev-python/pycairo -test
dev-python/pygtk -test
dev-python/py -test
=dev-python/py-1.4.3 -test
=dev-java/sun-jdk-1.4.2* -test -doc
dev-java/excalibur-thread -doc
www-servers/jetty -test #should be FEATURES="-test". tests are failing because junit is not available in the classpath. adding -test since this package isn't important for maven.