{*** добавил так ***}
sudo echo "*::pentoo" » /etc/portage/package.mask/custom.cldx
sudo echo "app-crypt/rcracki_mt::pentoo" » /etc/portage/package.unmask/custom.cldx


{*** Всякий вывод ***}

Calculating dependencies... done!
[ebuild     U  ] dev-python/ipaddr-2.2.0::pentoo [2.1.11-r1::gentoo] PYTHON_TARGETS="python2_7 python3_6 (-pypy) -python3_5" 26 KiB
[ebuild  r  U  ] app-pda/libplist-2.1.0:0/3.2.0::pentoo [2.0.0:0/3.1.0::gentoo] USE="-python -static-libs" PYTHON_TARGETS="python2_7 python3_6 (-python3_7) (-python3_5%)" 172 KiB
[ebuild  rR    ] app-pda/libusbmuxd-1.0.10-r1:0/4::gentoo  USE="-static-libs" 0 KiB
[ebuild  rR    ] app-pda/libimobiledevice-1.2.0-r1:0/6::gentoo  USE="-gnutls -libressl -python -static-libs" PYTHON_TARGETS="python2_7 python3_6 -python3_5" 0 KiB
[ebuild  rR    ] sys-power/upower-0.99.9-r1:0/3::gentoo  USE="introspection ios -doc (-selinux)" 438 KiB
[ebuild  rR    ] media-libs/libgpod-0.8.3-r2::gentoo  USE="gtk ios python udev -mono -static-libs" PYTHON_TARGETS="python2_7" 784 KiB
[ebuild  rR    ] gnome-base/gvfs-1.40.2::gentoo  USE="archive cdda fuse gnome-keyring gphoto2 http ios mtp nfs policykit samba udev udisks -afp -bluray -elogind -gnome-online-accounts -google (-systemd) -test -zeroconf" 1177 KiB

Total: 7 packages (2 upgrades, 5 reinstalls), Size of downloads: 2596 KiB

The following packages are causing rebuilds:

  (app-pda/libplist-2.1.0:0/3.2.0::pentoo, ebuild scheduled for merge) causes rebuilds for:
    (sys-power/upower-0.99.9-r1:0/3::gentoo, ebuild scheduled for merge)
    (gnome-base/gvfs-1.40.2:0/0::gentoo, ebuild scheduled for merge)
    (app-pda/libimobiledevice-1.2.0-r1:0/6::gentoo, ebuild scheduled for merge)
    (media-libs/libgpod-0.8.3-r2:0/0::gentoo, ebuild scheduled for merge)
    (app-pda/libusbmuxd-1.0.10-r1:0/4::gentoo, ebuild scheduled for merge)