Currently, the preserved-rebuild message is collapsed and, then, I cannot see all the list of libs required by each package: !!! existing preserved libs: >>> package: dev-libs/nettle-3.2-r1 * - /usr/lib/libnettle.so.4 * - /usr/lib/libnettle.so.4.7 * used by /usr/lib/gstreamer-1.0/libgsthls.so (media-plugins/gst-plugins-hls-1.8.3) * used by /usr/lib/mesa/i915_dri.so (media-libs/mesa-12.0.1) * used by /usr/lib/mesa/i915g_dri.so (media-libs/mesa-12.0.1) * used by 11 other files >>> package: dev-libs/icu-57.1 * - /usr/lib/libicudata.so.55 * - /usr/lib/libicudata.so.55.1 * - /usr/lib/libicuuc.so.55 * - /usr/lib/libicuuc.so.55.1 * used by /usr/lib/libcamel-1.2.so.57.0.0 (gnome-extra/evolution-data-server-3.20.5) * used by /usr/lib/libedataserver-1.2.so.21.0.0 (gnome-extra/evolution-data-server-3.20.5) * used by /usr/lib/libjavascriptcoregtk-1.0.so.0.16.19 (net-libs/webkit-gtk-2.4.11-r200) * used by 10 other files * - /usr/lib/libicui18n.so.55 * - /usr/lib/libicui18n.so.55.1 * used by /usr/lib/libedataserver-1.2.so.21.0.0 (gnome-extra/evolution-data-server-3.20.5) * used by /usr/lib/libjavascriptcoregtk-1.0.so.0.16.19 (net-libs/webkit-gtk-2.4.11-r200) * used by /usr/lib/libjavascriptcoregtk-3.0.so.0.16.19 (net-libs/webkit-gtk-2.4.11-r1) * used by 9 other files >>> package: dev-libs/libgcrypt-1.7.3 * - /usr/lib/libgcrypt.so.11 * - /usr/lib/libgcrypt.so.11.8.3 * used by /usr/lib/libgnome-keyring.so.0.2.0 (gnome-base/libgnome-keyring-3.12.0) * used by /usr/lib/libquvi-0.9-0.9.4.so (media-libs/libquvi-0.9.4-r1) * used by /usr/lib/libsecret-1.so.0.0.0 (app-crypt/libsecret-0.18.2) * used by /usr/lib/libtotem-plparser.so.18.1.0 (dev-libs/totem-pl-parser-3.10.5) >>> package: gnome-base/gnome-desktop-3.20.2 * - /usr/lib/libgnome-desktop-3.so.10 * - /usr/lib/libgnome-desktop-3.so.10.0.0 * used by /usr/bin/gnome-control-center (gnome-base/gnome-control-center-3.14.5) Could we have a way to expand it? emerge -pv @preserved-rebuild is not enough because it doesn't show me the concrete dependency between the packages that are going to be rebuilt and the lib they are missing Thanks