atlas ~ # equery d sys-libs/ncurses-6.0-r1
 * These packages depend on sys-libs/ncurses-6.0-r1:
app-admin/conky-1.9.0-r3 (ncurses ? sys-libs/ncurses)
app-admin/eselect-1.4.5 (sys-libs/ncurses)
app-crypt/pinentry-0.9.5 (ncurses ? sys-libs/ncurses:0)
                         (static ? >=sys-libs/ncurses-5.7-r5:0[static-libs,-gpm])
app-editors/emacs-24.5-r3 (sys-libs/ncurses:0)
app-editors/nano-2.5.3 (!static ? >=sys-libs/ncurses-5.9-r1:0[unicode?])
                       (!static ? sys-libs/ncurses:0)
                       (static ? >=sys-libs/ncurses-5.9-r1:0[unicode?])
                       (static ? sys-libs/ncurses:0[static-libs(+)])
app-editors/vim-7.4.769 (>=sys-libs/ncurses-5.2-r2)
app-misc/mc-4.8.15 (!slang ? sys-libs/ncurses:0)
app-misc/tmux-2.1 (sys-libs/ncurses:0)
app-shells/bash-4.3_p48 (>=sys-libs/ncurses-5.2-r2:0)
app-shells/zsh-5.2 (>=sys-libs/ncurses-5.1:0)
                   (static ? >=sys-libs/ncurses-5.7-r4:0[static-libs])
app-text/aspell-0.60.6.1-r1 (>=sys-libs/ncurses-5.2:0)
app-text/hunspell-1.3.3 (ncurses ? sys-libs/ncurses:0)
dev-db/mariadb-10.0.28 (sys-libs/ncurses:0)
                       (static ? sys-libs/ncurses[static-libs])
dev-db/unixODBC-2.3.2-r1 (>=sys-libs/ncurses-5.9-r3:0[abi_x86_32(-)?,abi_x86_64(-)?,abi_x86_x32(-)?,abi_mips_n32(-)?,abi_mips_n64(-)?,abi_mips_o32(-)?,abi_ppc_32(-)?,abi_ppc_64(-)?,abi_s390_32(-)?,abi_s390_64(-)?])
dev-lang/ghc-7.10.3 (sys-libs/ncurses[unicode])
dev-lang/python-2.7.12 (ncurses ? >=sys-libs/ncurses-5.2:0)
dev-lang/python-3.4.5 (ncurses ? >=sys-libs/ncurses-5.2:0)
dev-lang/ruby-2.0.0_p648 (ncurses ? sys-libs/ncurses:0)
dev-lang/ruby-2.1.9 (ncurses ? sys-libs/ncurses:0)
dev-libs/libcdio-0.92 (!minimal ? >=sys-libs/ncurses-5.7-r7:0)
dev-libs/newt-0.52.15 (elibc_uclibc ? sys-libs/ncurses)
dev-scheme/guile-1.8.8-r3 (sys-libs/ncurses:0)
dev-util/cmake-3.5.2-r1 (ncurses ? sys-libs/ncurses:0)
games-board/gnugo-3.9.1-r1 (>=sys-libs/ncurses-5.2-r3:0)
media-sound/alsa-utils-1.0.29 (ncurses ? >=sys-libs/ncurses-5.7-r7:0)
media-sound/cmus-2.7.1 (sys-libs/ncurses[unicode?])
media-sound/lame-3.99.5-r1 (frontend ? >=sys-libs/ncurses-5.7-r7:0)
media-sound/ncmpcpp-0.7.5 (sys-libs/ncurses[unicode?])
media-sound/pms-0.42-r2 (sys-libs/ncurses:0)
media-video/vlc-2.2.4 (ncurses ? sys-libs/ncurses:0[unicode])
net-analyzer/mtr-0.86 (sys-libs/ncurses:0)
net-fs/samba-4.2.11 (sys-libs/ncurses:0[abi_x86_32(-)?,abi_x86_64(-)?,abi_x86_x32(-)?,abi_mips_n32(-)?,abi_mips_n64(-)?,abi_mips_o32(-)?,abi_ppc_32(-)?,abi_ppc_64(-)?,abi_s390_32(-)?,abi_s390_64(-)?])
net-irc/irssi-0.8.20-r1 (sys-libs/ncurses:0)
net-irc/weechat-1.4-r1 (sys-libs/ncurses:0)
net-p2p/rtorrent-0.9.6 (sys-libs/ncurses:0)
net-wireless/wpa_supplicant-2.6 (readline ? sys-libs/ncurses:0)
sys-apps/gptfdisk-1.0.1 (ncurses ? >=sys-libs/ncurses-5.7-r7:0)
                        (ncurses ? >=sys-libs/ncurses-5.7-r7:0[static-libs(+)])
sys-apps/less-481 (>=sys-libs/ncurses-5.2:0)
sys-apps/openrc-0.22.4 (ncurses ? sys-libs/ncurses:0)
sys-apps/texinfo-6.1 (>=sys-libs/ncurses-5.2-r2:0)
sys-apps/util-linux-2.26.2 (ncurses ? >=sys-libs/ncurses-5.2-r2:0[unicode?])
sys-block/parted-3.2 (>=sys-libs/ncurses-5.7-r7:0)
sys-boot/grub-2.02_beta3-r1 (>=sys-libs/ncurses-5.2-r5:0)
sys-devel/bc-1.06.95-r1 (readline ? >=sys-libs/ncurses-5.2)
sys-devel/gdb-7.10.1 (client ? >=sys-libs/ncurses-5.2-r2:0)
sys-devel/gettext-0.19.7 (ncurses ? sys-libs/ncurses:0)
sys-devel/llvm-3.7.1-r3 (ncurses ? >=sys-libs/ncurses-5.9-r3:0[abi_x86_32(-)?,abi_x86_64(-)?,abi_x86_x32(-)?,abi_mips_n32(-)?,abi_mips_n64(-)?,abi_mips_o32(-)?,abi_ppc_32(-)?,abi_ppc_64(-)?,abi_s390_32(-)?,abi_s390_64(-)?])
sys-kernel/gentoo-sources-4.4.26 (!build ? >=sys-libs/ncurses-5.2)
sys-libs/gpm-1.20.7-r2 (>=sys-libs/ncurses-5.9-r3:0[abi_x86_32(-)?,abi_x86_64(-)?,abi_x86_x32(-)?,abi_mips_n32(-)?,abi_mips_n64(-)?,abi_mips_o32(-)?,abi_ppc_32(-)?,abi_ppc_64(-)?,abi_s390_32(-)?,abi_s390_64(-)?])
sys-libs/readline-6.3_p8-r2 (>=sys-libs/ncurses-5.9-r3[abi_x86_32(-),abi_x86_64(-)])
sys-libs/slang-2.2.4-r1 (sys-libs/ncurses:0)
sys-process/htop-1.0.3 (sys-libs/ncurses:0[unicode?])
sys-process/procps-3.3.11-r3 (ncurses ? >=sys-libs/ncurses-5.7-r7[unicode?])
sys-process/psmisc-22.21-r3 (>=sys-libs/ncurses-5.7-r7:0)
x11-libs/vte-0.28.2-r207 (sys-libs/ncurses:0)
x11-terms/xterm-325 (>=sys-libs/ncurses-5.7-r7:0)