I will try to attach the modified version, but essentialy, the modification sources make.globals and uses the CONFIG_PROTECT variable to scan all directories specified there for modified configuration files.
Created attachment 616 [details] Update etc-update which scans all directoeis in CONFIG_PROTECT
Will include this in the next release (or next-next) release of gentoolkit. Sorry for the delay.
Available in app-admin/gentoolkit-0.1.10-r1