I wrote a patch to add pkg_preinst to java-utils-2 to check the jars in
the images for problems in the jars but it can later be used for other
stuff too. If there are no objections we will need to modify the
following ebuilds as not to change their behavior. I will do this in
behalf of the maintainers in question so that all the changes go in at
the same time.

betelgeuse@pena /mnt/checkouts/java/scripts $ bash
find-function-usage-in-inheriting-ebuilds.sh --can-add --no-default
java-pkg-2 pkg_preinst
perl-module.eclass: dev-perl/Inline-Java/Inline-Java-0.50.ebuild
perl-module.eclass: dev-perl/Inline-Java/Inline-Java-0.51.ebuild
perl-module.eclass: dev-perl/Inline-Java/Inline-Java-0.52.ebuild

betelgeuse@pena /mnt/checkouts/java/scripts $ bash
find-function-usage-in-inheriting-ebuilds.sh --can-add --no-default
java-pkg-opt-2 pkg_preinst
perl-module.eclass: app-pda/pilot-link/pilot-link-0.12.2.ebuild
perl-module.eclass: dev-util/subversion/subversion-1.3.2-r3.ebuild
perl-module.eclass: dev-util/subversion/subversion-1.3.2-r4.ebuild

The script can be found in
https://overlays.gentoo.org/svn/proj/java/scripts/find-function-usage-in-inheriting-ebuilds.sh

Regards,
Petteri