boost-build

!!! The following update has been skipped due to unsatisfied dependencies:

dev-libs/boost:0

!!! All ebuilds that could satisfy "=dev-util/boost-build-1.56*" have been masked.
!!! One of the following masked packages is required to complete your request:
- dev-util/boost-build-1.56.0::gentoo (masked by: )

(dependency required by "dev-libs/boost-1.56.0-r1::gentoo" [ebuild])
For more information, see the MASKED PACKAGES section in the emerge
man page or refer to the Gentoo Handbook.

Вываливается постоянно либо это.

Либо часом позже это:

[ebuild     U  ] dev-util/boost-build-1.56.0::gentoo [1.55.0::gentoo] USE="python -examples {-test}" PYTHON_TARGETS="python2_7%*" 92557 KiB
[ebuild  r  U  ] dev-libs/boost-1.56.0-r1:0/1.56.0::gentoo [1.55.0-r2:0/1.55.0::gentoo] USE="nls python threads -context -debug -doc -icu -mpi -static-libs -tools" ABI_X86="(64) -32 (-x32)" PYTHON_TARGETS="python2_7 python3_3 python3_4" 0 KiB
[ebuild  rR    ] dev-libs/librevenge-0.0.2::gentoo  USE="-doc {-test}" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild  rR    ] dev-util/mdds-0.12.0:0/0.12.0::gentoo  0 KiB
[ebuild  rR    ] dev-cpp/libcmis-0.5.0:0.5::gentoo  USE="-man -static-libs {-test}" 0 KiB
[ebuild  rR    ] app-text/libebook-0.1.2::gentoo  USE="-doc {-test}" 0 KiB
[ebuild  rR    ] app-text/libmwaw-0.3.4::gentoo  USE="-doc -static-libs" 0 KiB

Т.е. уже с размаскировкой…

И так постоянно висит этот пакет то замаскированным, то нет и непонятно что с ним делать…

Попробуйте обновить сперва отдельно:

emerge -1 dev-libs/boost dev-util/boost-build