Calculating dependencies | *  blah
... done!
[binary  N     ] app-portage/elt-patches-20170317::gentoo  36 KiB
[ebuild  N    ~] sys-apps/osinfo-db-tools-1.1.0::gentoo  471 KiB
[ebuild  N    ~] sys-apps/osinfo-db-20170326::gentoo  62 KiB
[ebuild     U ~] sys-libs/libosinfo-1.0.0-r1::gentoo [0.3.1::gentoo]
USE="introspection vala {-test}" 0 KiB
[blocks b      ] <sys-libs/libosinfo-1.0.0 ("<sys-libs/libosinfo-1.0.0" is
blocking sys-apps/osinfo-db-tools-1.1.0)

Total: 4 packages (1 upgrade, 3 new, 1 binary), Size of downloads: 568 KiB
Conflict: 1 block

!!! The following binary packages have been ignored due to non matching USE:

    =dev-libs/libxslt-1.1.29-r1 python

NOTE: The --binpkg-respect-use=n option will prevent emerge
      from ignoring these binary packages if possible.
      Using --binpkg-respect-use=y will silence this warning.

The following keyword changes are necessary to proceed:
 (see "package.accept_keywords" in the portage(5) man page for more details)
# required by sys-libs/libosinfo-1.0.0-r1::gentoo
# required by =libosinfo-1.0.0-r1 (argument)
=sys-apps/osinfo-db-tools-1.1.0 ~amd64
# required by sys-libs/libosinfo-1.0.0-r1::gentoo
# required by =libosinfo-1.0.0-r1 (argument)
=sys-apps/osinfo-db-20170326 ~amd64