# emerge -uDNpvt @world

These are the packages that would be merged, in reverse order:

Calculating dependencies               s * ERROR: net-misc/networkmanager-0.8.9997 failed (depend phase):
 *   systemd.eclass could not be found by inherit()
 *
 * Call stack:
 *                        ebuild.sh, line 2047:  Called source '/usr/local/portage/net-misc/networkmanager/networkmanager-0.8.9997.ebuild'
 *   networkmanager-0.8.9997.ebuild, line    8:  Called inherit 'autotools' 'eutils' 'gnome.org' 'linux-info' 'systemd'
 *                        ebuild.sh, line 1386:  Called die
 * The specific snippet of code:
 *              [ ! -e "$location" ] && die "${1}.eclass could not be found by inherit()"
 *
 * If you need support, post the output of 'emerge --info =net-misc/networkmanager-0.8.9997',
 * the complete build log and the output of 'emerge -pqv =net-misc/networkmanager-0.8.9997'.
 * This ebuild is from an overlay: '/usr/local/portage/'
 * S: '/var/tmp/portage/net-misc/networkmanager-0.8.9997/work/networkmanager-0.8.9997'
     f * ERROR: sys-apps/accountsservice-0.6.12 failed (depend phase):
 *   systemd.eclass could not be found by inherit()
 *
 * Call stack:
 *                       ebuild.sh, line 2047:  Called source '/var/lib/layman/gnome/sys-apps/accountsservice/accountsservice-0.6.12.ebuild'
 *   accountsservice-0.6.12.ebuild, line    9:  Called inherit 'gnome2' 'systemd'
 *                       ebuild.sh, line 1386:  Called die
 * The specific snippet of code:
 *              [ ! -e "$location" ] && die "${1}.eclass could not be found by inherit()"
 *
 * If you need support, post the output of 'emerge --info =sys-apps/accountsservice-0.6.12',
 * the complete build log and the output of 'emerge -pqv =sys-apps/accountsservice-0.6.12'.
 * This ebuild used the following eclasses from overlays:
 *   /var/lib/layman/gnome/eclass/gnome2.eclass
 * This ebuild is from an overlay: '/var/lib/layman/gnome/'
 * S: '/var/tmp/portage/sys-apps/accountsservice-0.6.12/work/accountsservice-0.6.12'
        ... done!