Probleme mit emerge und geblockten Paketen

Hallo zusammen,

seit letztem Wochenende läuft hier ein Gentoo und nach und nach versuche 
ich die verschiedenen Tools, vor allem erstmal emerge, zu verstehen. Ich 
habe die letzten Jahre nur Debian verwendet, daher sind einige Dinge neu 
für mich bzw. erinnern sie mich stark an die Zeiten, wo wir im Job noch 
FreeBSD eingesetzt haben.

Konkret habe ich geraqde folgendes Problem und komme damit absolut nicht 
weiter:

srv ~ # emerge --update --deep --with-bdeps=y --newuse @system
Calculating dependencies... done!
[ebuild  NS    ] sys-libs/ncurses-5.9-r3 [5.9-r101] USE="cxx unicode 
-ada -debug
)"
[ebuild     U  ] dev-libs/openssl-1.0.2d [1.0.1p] USE="asm%* -sctp%"
[blocks B      ] <sys-libs/ncurses-6:0 ("<sys-libs/ncurses-6:0" is 
blocking sys-

 * Error: The above package list contains packages which cannot be
 * installed at the same time on the same system.

  (sys-libs/ncurses-5.9-r3:0/0::gentoo, ebuild scheduled for merge) 
pulled in by
    sys-libs/ncurses:0= required by 
(app-emulation/qemu-2.3.0-r5:0/0::gentoo, in
    sys-libs/ncurses:0= required by (sys-apps/openrc-0.17:0/0::gentoo, 
installed
    sys-libs/ncurses:0= required by (dev-util/cmake-3.2.2:0/0::gentoo, 
installed
    sys-libs/ncurses:0= required by 
(dev-scheme/guile-1.8.8-r1:12/12::gentoo, in

  (sys-libs/ncurses-5.9-r101:5/5::gentoo, installed) pulled in by
    sys-libs/ncurses:5/5= required by 
(app-emulation/qemu-2.3.0-r5:0/0::gentoo,
    sys-libs/ncurses required by @selected
    >=sys-libs/ncurses-5.2 required by 
(dev-lang/python-2.7.9-r1:2.7/2.7::gentoo
    sys-libs/ncurses required by (sys-devel/gettext-0.19.4:0/0::gentoo, 
installe
    >=sys-libs/ncurses-5.2-r5 required by 
(sys-boot/grub-2.02_beta2-r7:2/2::gent
    >=sys-libs/ncurses-5.9-r1[unicode?] 
(>=sys-libs/ncurses-5.9-r1[unicode]) req
    sys-libs/ncurses required by 
(net-misc/telnet-bsd-1.2-r1:0/0::gentoo, instal
    >=sys-libs/ncurses-5.2 required by 
(sys-devel/bc-1.06.95-r1:0/0::gentoo, ins
    >=sys-libs/ncurses-5.2-r2 required by 
(sys-apps/util-linux-2.25.2-r2:0/0::ge
    >=sys-libs/ncurses-5.2 required by 
(sys-kernel/gentoo-sources-4.0.5:4.0.5/4.
    sys-libs/ncurses required by (app-admin/eselect-1.4.4:0/0::gentoo, 
installed
    >=sys-libs/ncurses-5.2-r2 required by 
(app-shells/bash-4.3_p39:0/0::gentoo,
    >=sys-libs/ncurses-5.2 required by (sys-apps/less-478:0/0::gentoo, 
installed
    >=sys-libs/ncurses-5.2-r2 required by 
(sys-apps/texinfo-5.2:0/0::gentoo, ins
    sys-libs/ncurses required by 
(app-emulation/libvirt-1.2.15-r1:0/1.2.15::gent
    >=sys-libs/ncurses-5.2 required by 
(dev-lang/python-3.4.1:3.4/3.4::gentoo, i
    >=sys-libs/ncurses-5.2-r2 required by 
(app-editors/vim-7.4.273:0/0::gentoo,
    >=sys-libs/ncurses-5.7-r7 required by 
(sys-process/psmisc-22.21-r2:0/0::gent
    >=sys-libs/ncurses-5.7-r7[unicode?] 
(>=sys-libs/ncurses-5.7-r7[unicode]) req
    
>=sys-libs/ncurses-5.9-r3[abi_x86_32(-)?,abi_x86_64(-)?,abi_x86_x32(-)?,abi_
_s390_32(-)?,abi_s390_64(-)?] (>=sys-libs/ncurses-5.9-r3[abi_x86_64(-)]) 
require
    sys-libs/ncurses:5/5= required by (dev-util/cmake-3.2.2:0/0::gentoo, 
install
    sys-libs/ncurses:5/5= required by (sys-apps/openrc-0.17:0/0::gentoo, 
install
    sys-libs/ncurses:5/5= required by 
(dev-scheme/guile-1.8.8-r1:12/12::gentoo,


For more information about Blocked Packages, please refer to the 
following
section of the Gentoo Linux x86 Handbook (architecture is irrelevant):

https://wiki.gentoo.org/wiki/Handbook:X86/Working/Portage#Blocked_packages

srv ~ #

bzw.:

srv ~ # emerge --update --deep --with-bdeps=y --newuse @world
Calculating dependencies... done!
[ebuild  NS    ] sys-libs/ncurses-5.9-r3 [5.9-r101] USE="cxx unicode 
-ada -debug -doc -gpm -minimal -profile -static-libs -tinfo -trace" 
ABI_X86="(64) -32 (-x32
)"
[ebuild     U  ] dev-libs/libnl-3.2.26 [3.2.25]
[ebuild     U  ] dev-libs/openssl-1.0.2d [1.0.1p] USE="asm%* -sctp%"
[ebuild     U  ] dev-perl/Net-SSLeay-1.650.0-r1 [1.650.0]
[ebuild     U  ] app-vim/gentoo-syntax-20150823 [20130619]
[blocks B      ] <sys-libs/ncurses-6:0 ("<sys-libs/ncurses-6:0" is 
blocking sys-libs/ncurses-5.9-r101)

 * Error: The above package list contains packages which cannot be
 * installed at the same time on the same system.

  (sys-libs/ncurses-5.9-r3:0/0::gentoo, ebuild scheduled for merge) 
pulled in by
    sys-libs/ncurses:0= required by 
(app-emulation/qemu-2.3.0-r5:0/0::gentoo, installed)
    sys-libs/ncurses:0= required by (sys-apps/openrc-0.17:0/0::gentoo, 
installed)
    sys-libs/ncurses:0= required by (dev-util/cmake-3.2.2:0/0::gentoo, 
installed)
    sys-libs/ncurses:0= required by 
(dev-scheme/guile-1.8.8-r1:12/12::gentoo, installed)

  (sys-libs/ncurses-5.9-r101:5/5::gentoo, installed) pulled in by
    sys-libs/ncurses:5/5= required by 
(app-emulation/qemu-2.3.0-r5:0/0::gentoo, installed)
    sys-libs/ncurses required by @selected
    >=sys-libs/ncurses-5.2 required by 
(dev-lang/python-2.7.9-r1:2.7/2.7::gentoo, installed)
    sys-libs/ncurses required by (sys-devel/gettext-0.19.4:0/0::gentoo, 
installed)
    >=sys-libs/ncurses-5.7-r7 required by 
(sys-process/psmisc-22.21-r2:0/0::gentoo, installed)
    sys-libs/ncurses required by 
(net-misc/telnet-bsd-1.2-r1:0/0::gentoo, installed)
    >=sys-libs/ncurses-5.2 required by 
(sys-devel/bc-1.06.95-r1:0/0::gentoo, installed)
    >=sys-libs/ncurses-5.2-r2 required by 
(sys-apps/util-linux-2.25.2-r2:0/0::gentoo, installed)
    >=sys-libs/ncurses-5.2 required by 
(sys-kernel/gentoo-sources-4.0.5:4.0.5/4.0.5::gentoo, installed)
    sys-libs/ncurses required by (app-admin/eselect-1.4.4:0/0::gentoo, 
installed)
    >=sys-libs/ncurses-5.2-r2 required by 
(app-shells/bash-4.3_p39:0/0::gentoo, installed)
    >=sys-libs/ncurses-5.2 required by (sys-apps/less-478:0/0::gentoo, 
installed)
    >=sys-libs/ncurses-5.2-r2 required by 
(sys-apps/texinfo-5.2:0/0::gentoo, installed)
    sys-libs/ncurses required by 
(app-emulation/libvirt-1.2.15-r1:0/1.2.15::gentoo, installed)
    >=sys-libs/ncurses-5.2 required by 
(dev-lang/python-3.4.1:3.4/3.4::gentoo, installed)
    >=sys-libs/ncurses-5.2-r2 required by 
(app-editors/vim-7.4.273:0/0::gentoo, installed)
    >=sys-libs/ncurses-5.2-r5 required by 
(sys-boot/grub-2.02_beta2-r7:2/2::gentoo, installed)
    
>=sys-libs/ncurses-5.9-r3[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/ncurses-5.9-r3[abi_x86_64(-)]) 
required by (sys-libs/readline-6.3_p8-r2:0/0::gentoo, installed)
    >=sys-libs/ncurses-5.7-r7[unicode?] 
(>=sys-libs/ncurses-5.7-r7[unicode]) required by 
(sys-process/procps-3.3.9-r2:0/0::gentoo, installed)
    sys-libs/ncurses:5/5= required by (dev-util/cmake-3.2.2:0/0::gentoo, 
installed)
    sys-libs/ncurses:5/5= required by (sys-apps/openrc-0.17:0/0::gentoo, 
installed)
    sys-libs/ncurses:5/5= required by 
(dev-scheme/guile-1.8.8-r1:12/12::gentoo, installed)


For more information about Blocked Packages, please refer to the 
following
section of the Gentoo Linux x86 Handbook (architecture is irrelevant):

https://wiki.gentoo.org/wiki/Handbook:X86/Working/Portage#Blocked_packages

srv ~ #

Ich verstehe so viel, dass sich irgendwie zwei Versionen von 
sys-libs/ncurses in die Quere kommen, aber obwohl ich mir die 
angesprochene Wiki-Page angesehen habe, hilft mir das nicht wirklich 
weiter.

Hat jemand einen Tipp, was hier zu tun ist?

Ciao und danke,

  Christian

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