Disclaimer: this bug has been filed in a semi-automated manner. When emerging the package media-libs/fontconfig-2.8.0-r1, the following elog messages are displayed: * Please make fontconfig configuration changes using Usage: eselect fontconfig <action> <options> Standard actions: help Display help text usage Display usage information version Display version information Extra actions: disable <target> Disable specified fontconfig .conf file(s) <target> Target name or number (from 'list' action) enable <target> Enable specified fontconfig .conf file(s) <target> Target name or number (from 'list' action) list List available fontconfig .conf files * Any changes made to /etc/fonts/fonts.conf will be overwritten. Such messages should only be displayed when the package is a new install. These situations can be checked in the ebuild as follows: if ! has_version 'media-libs/fontconfig'; then See the tracker bug 440214 for more details.
Fixed in fontconfig-2.10.2.ebuild by using readme.gentoo.eclass.